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Diffstat (limited to 'raylib/src/rcore.c')
| -rw-r--r-- | raylib/src/rcore.c | 7012 |
1 files changed, 7012 insertions, 0 deletions
diff --git a/raylib/src/rcore.c b/raylib/src/rcore.c new file mode 100644 index 0000000..127c8a1 --- /dev/null +++ b/raylib/src/rcore.c @@ -0,0 +1,7012 @@ +/********************************************************************************************** +* +* rcore - Basic functions to manage windows, OpenGL context and input on multiple platforms +* +* PLATFORMS SUPPORTED: +* - PLATFORM_DESKTOP: Windows (Win32, Win64) +* - PLATFORM_DESKTOP: Linux (X11 desktop mode) +* - PLATFORM_DESKTOP: FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) +* - PLATFORM_DESKTOP: OSX/macOS +* - PLATFORM_ANDROID: Android (ARM, ARM64) +* - PLATFORM_RPI: Raspberry Pi 0,1,2,3 (Raspbian, native mode) +* - PLATFORM_DRM: Linux native mode, including Raspberry Pi 4 with V3D fkms driver +* - PLATFORM_WEB: HTML5 with WebAssembly +* +* CONFIGURATION: +* +* #define PLATFORM_DESKTOP +* Windowing and input system configured for desktop platforms: Windows, Linux, OSX, FreeBSD, OpenBSD, NetBSD, DragonFly +* NOTE: Oculus Rift CV1 requires PLATFORM_DESKTOP for mirror rendering - View [rlgl] module to enable it +* +* #define PLATFORM_ANDROID +* Windowing and input system configured for Android device, app activity managed internally in this module. +* NOTE: OpenGL ES 2.0 is required and graphic device is managed by EGL +* +* #define PLATFORM_RPI +* Windowing and input system configured for Raspberry Pi in native mode (no XWindow required), +* graphic device is managed by EGL and inputs are processed is raw mode, reading from /dev/input/ +* +* #define PLATFORM_DRM +* Windowing and input system configured for DRM native mode (RPI4 and other devices) +* graphic device is managed by EGL and inputs are processed is raw mode, reading from /dev/input/ +* +* #define PLATFORM_WEB +* Windowing and input system configured for HTML5 (run on browser), code converted from C to asm.js +* using emscripten compiler. OpenGL ES 2.0 required for direct translation to WebGL equivalent code. +* +* #define SUPPORT_DEFAULT_FONT (default) +* Default font is loaded on window initialization to be available for the user to render simple text. +* NOTE: If enabled, uses external module functions to load default raylib font (module: text) +* +* #define SUPPORT_CAMERA_SYSTEM +* Camera module is included (rcamera.h) and multiple predefined cameras are available: free, 1st/3rd person, orbital +* +* #define SUPPORT_GESTURES_SYSTEM +* Gestures module is included (rgestures.h) to support gestures detection: tap, hold, swipe, drag +* +* #define SUPPORT_MOUSE_GESTURES +* Mouse gestures are directly mapped like touches and processed by gestures system. +* +* #define SUPPORT_TOUCH_AS_MOUSE +* Touch input and mouse input are shared. Mouse functions also return touch information. +* +* #define SUPPORT_SSH_KEYBOARD_RPI (Raspberry Pi only) +* Reconfigure standard input to receive key inputs, works with SSH connection. +* WARNING: Reconfiguring standard input could lead to undesired effects, like breaking other running processes or +* blocking the device if not restored properly. Use with care. +* +* #define SUPPORT_MOUSE_CURSOR_POINT +* Draw a mouse pointer on screen +* +* #define SUPPORT_BUSY_WAIT_LOOP +* Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used +* +* #define SUPPORT_PARTIALBUSY_WAIT_LOOP +* Use a partial-busy wait loop, in this case frame sleeps for most of the time and runs a busy-wait-loop at the end +* +* #define SUPPORT_EVENTS_WAITING +* Wait for events passively (sleeping while no events) instead of polling them actively every frame +* +* #define SUPPORT_SCREEN_CAPTURE +* Allow automatic screen capture of current screen pressing F12, defined in KeyCallback() +* +* #define SUPPORT_GIF_RECORDING +* Allow automatic gif recording of current screen pressing CTRL+F12, defined in KeyCallback() +* +* #define SUPPORT_COMPRESSION_API +* Support CompressData() and DecompressData() functions, those functions use zlib implementation +* provided by stb_image and stb_image_write libraries, so, those libraries must be enabled on textures module +* for linkage +* +* #define SUPPORT_DATA_STORAGE +* Support saving binary data automatically to a generated storage.data file. This file is managed internally +* +* #define SUPPORT_EVENTS_AUTOMATION +* Support automatic generated events, loading and recording of those events when required +* +* DEPENDENCIES: +* rglfw - Manage graphic device, OpenGL context and inputs on PLATFORM_DESKTOP (Windows, Linux, OSX. FreeBSD, OpenBSD, NetBSD, DragonFly) +* raymath - 3D math functionality (Vector2, Vector3, Matrix, Quaternion) +* camera - Multiple 3D camera modes (free, orbital, 1st person, 3rd person) +* gestures - Gestures system for touch-ready devices (or simulated from mouse inputs) +* +* +* LICENSE: zlib/libpng +* +* Copyright (c) 2013-2022 Ramon Santamaria (@raysan5) +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#include "raylib.h" // Declares module functions + +// Check if config flags have been externally provided on compilation line +#if !defined(EXTERNAL_CONFIG_FLAGS) + #include "config.h" // Defines module configuration flags +#endif + +#include "utils.h" // Required for: TRACELOG() macros + +#define RLGL_IMPLEMENTATION +#include "rlgl.h" // OpenGL abstraction layer to OpenGL 1.1, 3.3+ or ES2 + +#define RAYMATH_IMPLEMENTATION // Define external out-of-line implementation +#include "raymath.h" // Vector3, Quaternion and Matrix functionality + +#if defined(SUPPORT_GESTURES_SYSTEM) + #define GESTURES_IMPLEMENTATION + #include "rgestures.h" // Gestures detection functionality +#endif + +#if defined(SUPPORT_CAMERA_SYSTEM) + #define CAMERA_IMPLEMENTATION + #include "rcamera.h" // Camera system functionality +#endif + +#if defined(SUPPORT_GIF_RECORDING) + #define MSF_GIF_MALLOC(contextPointer, newSize) RL_MALLOC(newSize) + #define MSF_GIF_REALLOC(contextPointer, oldMemory, oldSize, newSize) RL_REALLOC(oldMemory, newSize) + #define MSF_GIF_FREE(contextPointer, oldMemory, oldSize) RL_FREE(oldMemory) + + #define MSF_GIF_IMPL + #include "external/msf_gif.h" // GIF recording functionality +#endif + +#if defined(SUPPORT_COMPRESSION_API) + #define SINFL_IMPLEMENTATION + #define SINFL_NO_SIMD + #include "external/sinfl.h" // Deflate (RFC 1951) decompressor + + #define SDEFL_IMPLEMENTATION + #include "external/sdefl.h" // Deflate (RFC 1951) compressor +#endif + +#if (defined(__linux__) || defined(PLATFORM_WEB)) && _POSIX_C_SOURCE < 199309L + #undef _POSIX_C_SOURCE + #define _POSIX_C_SOURCE 199309L // Required for: CLOCK_MONOTONIC if compiled with c99 without gnu ext. +#endif + +// Platform specific defines to handle GetApplicationDirectory() +#if defined (PLATFORM_DESKTOP) + #if defined(_WIN32) + #ifndef MAX_PATH + #define MAX_PATH 1025 + #endif + __declspec(dllimport) unsigned long __stdcall GetModuleFileNameA(void *hModule, void *lpFilename, unsigned long nSize); + __declspec(dllimport) unsigned long __stdcall GetModuleFileNameW(void *hModule, void *lpFilename, unsigned long nSize); + __declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int cp, unsigned long flags, void *widestr, int cchwide, void *str, int cbmb, void *defchar, int *used_default); + #elif defined(__linux__) + #include <unistd.h> + #elif defined(__APPLE__) + #include <sys/syslimits.h> + #include <mach-o/dyld.h> + #endif // OSs +#endif // PLATFORM_DESKTOP + +#include <stdlib.h> // Required for: srand(), rand(), atexit() +#include <stdio.h> // Required for: sprintf() [Used in OpenURL()] +#include <string.h> // Required for: strrchr(), strcmp(), strlen() +#include <time.h> // Required for: time() [Used in InitTimer()] +#include <math.h> // Required for: tan() [Used in BeginMode3D()], atan2f() [Used in LoadVrStereoConfig()] + +#include <sys/stat.h> // Required for: stat() [Used in GetFileModTime()] + +#if defined(PLATFORM_DESKTOP) && defined(_WIN32) && (defined(_MSC_VER) || defined(__TINYC__)) + #define DIRENT_MALLOC RL_MALLOC + #define DIRENT_FREE RL_FREE + + #include "external/dirent.h" // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()] +#else + #include <dirent.h> // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()] +#endif + +#if defined(_WIN32) + #include <direct.h> // Required for: _getch(), _chdir() + #define GETCWD _getcwd // NOTE: MSDN recommends not to use getcwd(), chdir() + #define CHDIR _chdir + #include <io.h> // Required for: _access() [Used in FileExists()] +#else + #include <unistd.h> // Required for: getch(), chdir() (POSIX), access() + #define GETCWD getcwd + #define CHDIR chdir +#endif + +#if defined(PLATFORM_DESKTOP) + #define GLFW_INCLUDE_NONE // Disable the standard OpenGL header inclusion on GLFW3 + // NOTE: Already provided by rlgl implementation (on glad.h) + #include "GLFW/glfw3.h" // GLFW3 library: Windows, OpenGL context and Input management + // NOTE: GLFW3 already includes gl.h (OpenGL) headers + + // Support retrieving native window handlers + #if defined(_WIN32) + #define GLFW_EXPOSE_NATIVE_WIN32 + #include "GLFW/glfw3native.h" // WARNING: It requires customization to avoid windows.h inclusion! + + #if defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP) + // NOTE: Those functions require linking with winmm library + unsigned int __stdcall timeBeginPeriod(unsigned int uPeriod); + unsigned int __stdcall timeEndPeriod(unsigned int uPeriod); + #endif + #endif + #if defined(__linux__) || defined(__FreeBSD__) + #include <sys/time.h> // Required for: timespec, nanosleep(), select() - POSIX + + //#define GLFW_EXPOSE_NATIVE_X11 // WARNING: Exposing Xlib.h > X.h results in dup symbols for Font type + //#define GLFW_EXPOSE_NATIVE_WAYLAND + //#define GLFW_EXPOSE_NATIVE_MIR + #include "GLFW/glfw3native.h" // Required for: glfwGetX11Window() + #endif + #if defined(__APPLE__) + #include <unistd.h> // Required for: usleep() + + //#define GLFW_EXPOSE_NATIVE_COCOA // WARNING: Fails due to type redefinition + #include "GLFW/glfw3native.h" // Required for: glfwGetCocoaWindow() + #endif +#endif + +#if defined(PLATFORM_ANDROID) + //#include <android/sensor.h> // Required for: Android sensors functions (accelerometer, gyroscope, light...) + #include <android/window.h> // Required for: AWINDOW_FLAG_FULLSCREEN definition and others + #include <android_native_app_glue.h> // Required for: android_app struct and activity management + + #include <EGL/egl.h> // Native platform windowing system interface + //#include <GLES2/gl2.h> // OpenGL ES 2.0 library (not required in this module, only in rlgl) +#endif + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + #include <fcntl.h> // POSIX file control definitions - open(), creat(), fcntl() + #include <unistd.h> // POSIX standard function definitions - read(), close(), STDIN_FILENO + #include <termios.h> // POSIX terminal control definitions - tcgetattr(), tcsetattr() + #include <pthread.h> // POSIX threads management (inputs reading) + #include <dirent.h> // POSIX directory browsing + + #include <sys/ioctl.h> // Required for: ioctl() - UNIX System call for device-specific input/output operations + #include <linux/kd.h> // Linux: KDSKBMODE, K_MEDIUMRAM constants definition + #include <linux/input.h> // Linux: Keycodes constants definition (KEY_A, ...) + #include <linux/joystick.h> // Linux: Joystick support library + +#if defined(PLATFORM_RPI) + #include "bcm_host.h" // Raspberry Pi VideoCore IV access functions +#endif +#if defined(PLATFORM_DRM) + #include <gbm.h> // Generic Buffer Management (native platform for EGL on DRM) + #include <xf86drm.h> // Direct Rendering Manager user-level library interface + #include <xf86drmMode.h> // Direct Rendering Manager mode setting (KMS) interface +#endif + + #include "EGL/egl.h" // Native platform windowing system interface + #include "EGL/eglext.h" // EGL extensions + //#include "GLES2/gl2.h" // OpenGL ES 2.0 library (not required in this module, only in rlgl) +#endif + +#if defined(PLATFORM_WEB) + #define GLFW_INCLUDE_ES2 // GLFW3: Enable OpenGL ES 2.0 (translated to WebGL) + #include "GLFW/glfw3.h" // GLFW3: Windows, OpenGL context and Input management + #include <sys/time.h> // Required for: timespec, nanosleep(), select() - POSIX + + #include <emscripten/emscripten.h> // Emscripten functionality for C + #include <emscripten/html5.h> // Emscripten HTML5 library +#endif + +//---------------------------------------------------------------------------------- +// Defines and Macros +//---------------------------------------------------------------------------------- +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + #define USE_LAST_TOUCH_DEVICE // When multiple touchscreens are connected, only use the one with the highest event<N> number + + #define DEFAULT_GAMEPAD_DEV "/dev/input/js" // Gamepad input (base dev for all gamepads: js0, js1, ...) + #define DEFAULT_EVDEV_PATH "/dev/input/" // Path to the linux input events +#endif + +#ifndef MAX_FILEPATH_LENGTH + #if defined(__linux__) + #define MAX_FILEPATH_LENGTH 4096 // Maximum length for filepaths (Linux PATH_MAX default value) + #else + #define MAX_FILEPATH_LENGTH 512 // Maximum length supported for filepaths + #endif +#endif + +#ifndef MAX_KEYBOARD_KEYS + #define MAX_KEYBOARD_KEYS 512 // Maximum number of keyboard keys supported +#endif +#ifndef MAX_MOUSE_BUTTONS + #define MAX_MOUSE_BUTTONS 8 // Maximum number of mouse buttons supported +#endif +#ifndef MAX_GAMEPADS + #define MAX_GAMEPADS 4 // Maximum number of gamepads supported +#endif +#ifndef MAX_GAMEPAD_AXIS + #define MAX_GAMEPAD_AXIS 8 // Maximum number of axis supported (per gamepad) +#endif +#ifndef MAX_GAMEPAD_BUTTONS + #define MAX_GAMEPAD_BUTTONS 32 // Maximum number of buttons supported (per gamepad) +#endif +#ifndef MAX_TOUCH_POINTS + #define MAX_TOUCH_POINTS 8 // Maximum number of touch points supported +#endif +#ifndef MAX_KEY_PRESSED_QUEUE + #define MAX_KEY_PRESSED_QUEUE 16 // Maximum number of keys in the key input queue +#endif +#ifndef MAX_CHAR_PRESSED_QUEUE + #define MAX_CHAR_PRESSED_QUEUE 16 // Maximum number of characters in the char input queue +#endif + +#if defined(SUPPORT_DATA_STORAGE) + #ifndef STORAGE_DATA_FILE + #define STORAGE_DATA_FILE "storage.data" // Automatic storage filename + #endif +#endif + +#ifndef MAX_DECOMPRESSION_SIZE + #define MAX_DECOMPRESSION_SIZE 64 // Maximum size allocated for decompression in MB +#endif + +// Flags operation macros +#define FLAG_SET(n, f) ((n) |= (f)) +#define FLAG_CLEAR(n, f) ((n) &= ~(f)) +#define FLAG_TOGGLE(n, f) ((n) ^= (f)) +#define FLAG_CHECK(n, f) ((n) & (f)) + +//---------------------------------------------------------------------------------- +// Types and Structures Definition +//---------------------------------------------------------------------------------- +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) +typedef struct { + pthread_t threadId; // Event reading thread id + int fd; // File descriptor to the device it is assigned to + int eventNum; // Number of 'event<N>' device + Rectangle absRange; // Range of values for absolute pointing devices (touchscreens) + int touchSlot; // Hold the touch slot number of the currently being sent multitouch block + bool isMouse; // True if device supports relative X Y movements + bool isTouch; // True if device supports absolute X Y movements and has BTN_TOUCH + bool isMultitouch; // True if device supports multiple absolute movevents and has BTN_TOUCH + bool isKeyboard; // True if device has letter keycodes + bool isGamepad; // True if device has gamepad buttons +} InputEventWorker; +#endif + +typedef struct { int x; int y; } Point; +typedef struct { unsigned int width; unsigned int height; } Size; + +// Core global state context data +typedef struct CoreData { + struct { +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + GLFWwindow *handle; // GLFW window handle (graphic device) +#endif +#if defined(PLATFORM_RPI) + EGL_DISPMANX_WINDOW_T handle; // Native window handle (graphic device) +#endif +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) +#if defined(PLATFORM_DRM) + int fd; // File descriptor for /dev/dri/... + drmModeConnector *connector; // Direct Rendering Manager (DRM) mode connector + drmModeCrtc *crtc; // CRT Controller + int modeIndex; // Index of the used mode of connector->modes + struct gbm_device *gbmDevice; // GBM device + struct gbm_surface *gbmSurface; // GBM surface + struct gbm_bo *prevBO; // Previous GBM buffer object (during frame swapping) + uint32_t prevFB; // Previous GBM framebufer (during frame swapping) +#endif // PLATFORM_DRM + EGLDisplay device; // Native display device (physical screen connection) + EGLSurface surface; // Surface to draw on, framebuffers (connected to context) + EGLContext context; // Graphic context, mode in which drawing can be done + EGLConfig config; // Graphic config +#endif + const char *title; // Window text title const pointer + unsigned int flags; // Configuration flags (bit based), keeps window state + bool ready; // Check if window has been initialized successfully + bool fullscreen; // Check if fullscreen mode is enabled + bool shouldClose; // Check if window set for closing + bool resizedLastFrame; // Check if window has been resized last frame + + Point position; // Window position on screen (required on fullscreen toggle) + Size display; // Display width and height (monitor, device-screen, LCD, ...) + Size screen; // Screen width and height (used render area) + Size currentFbo; // Current render width and height (depends on active fbo) + Size render; // Framebuffer width and height (render area, including black bars if required) + Point renderOffset; // Offset from render area (must be divided by 2) + Matrix screenScale; // Matrix to scale screen (framebuffer rendering) + + char **dropFilesPath; // Store dropped files paths as strings + int dropFileCount; // Count dropped files strings + + } Window; +#if defined(PLATFORM_ANDROID) + struct { + bool appEnabled; // Flag to detect if app is active ** = true + struct android_app *app; // Android activity + struct android_poll_source *source; // Android events polling source + bool contextRebindRequired; // Used to know context rebind required + } Android; +#endif + struct { + const char *basePath; // Base path for data storage + } Storage; + struct { +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + InputEventWorker eventWorker[10]; // List of worker threads for every monitored "/dev/input/event<N>" +#endif + struct { + int exitKey; // Default exit key + char currentKeyState[MAX_KEYBOARD_KEYS]; // Registers current frame key state + char previousKeyState[MAX_KEYBOARD_KEYS]; // Registers previous frame key state + + int keyPressedQueue[MAX_KEY_PRESSED_QUEUE]; // Input keys queue + int keyPressedQueueCount; // Input keys queue count + + int charPressedQueue[MAX_CHAR_PRESSED_QUEUE]; // Input characters queue (unicode) + int charPressedQueueCount; // Input characters queue count + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + int defaultMode; // Default keyboard mode +#if defined(SUPPORT_SSH_KEYBOARD_RPI) + bool evtMode; // Keyboard in event mode +#endif + int defaultFileFlags; // Default IO file flags + struct termios defaultSettings; // Default keyboard settings + int fd; // File descriptor for the evdev keyboard +#endif + } Keyboard; + struct { + Vector2 offset; // Mouse offset + Vector2 scale; // Mouse scaling + Vector2 currentPosition; // Mouse position on screen + Vector2 previousPosition; // Previous mouse position + + int cursor; // Tracks current mouse cursor + bool cursorHidden; // Track if cursor is hidden + bool cursorOnScreen; // Tracks if cursor is inside client area + + char currentButtonState[MAX_MOUSE_BUTTONS]; // Registers current mouse button state + char previousButtonState[MAX_MOUSE_BUTTONS]; // Registers previous mouse button state + float currentWheelMove; // Registers current mouse wheel variation + float previousWheelMove; // Registers previous mouse wheel variation +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + // NOTE: currentButtonState[] can't be written directly due to multithreading, app could miss the update + char currentButtonStateEvdev[MAX_MOUSE_BUTTONS]; // Holds the new mouse state for the next polling event to grab +#endif + } Mouse; + struct { + int pointCount; // Number of touch points active + int pointId[MAX_TOUCH_POINTS]; // Point identifiers + Vector2 position[MAX_TOUCH_POINTS]; // Touch position on screen + char currentTouchState[MAX_TOUCH_POINTS]; // Registers current touch state + char previousTouchState[MAX_TOUCH_POINTS]; // Registers previous touch state + } Touch; + struct { + int lastButtonPressed; // Register last gamepad button pressed + int axisCount; // Register number of available gamepad axis + bool ready[MAX_GAMEPADS]; // Flag to know if gamepad is ready + char name[MAX_GAMEPADS][64]; // Gamepad name holder + char currentButtonState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Current gamepad buttons state + char previousButtonState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Previous gamepad buttons state + float axisState[MAX_GAMEPADS][MAX_GAMEPAD_AXIS]; // Gamepad axis state +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + pthread_t threadId; // Gamepad reading thread id + int streamId[MAX_GAMEPADS]; // Gamepad device file descriptor +#endif + } Gamepad; + } Input; + struct { + double current; // Current time measure + double previous; // Previous time measure + double update; // Time measure for frame update + double draw; // Time measure for frame draw + double frame; // Time measure for one frame + double target; // Desired time for one frame, if 0 not applied +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + unsigned long long base; // Base time measure for hi-res timer +#endif + unsigned int frameCounter; // Frame counter + } Time; +} CoreData; + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +static CoreData CORE = { 0 }; // Global CORE state context + +static char **dirFilesPath = NULL; // Store directory files paths as strings +static int dirFileCount = 0; // Count directory files strings + +const char *raylibVersion = RAYLIB_VERSION; // raylib version symbol, it could be required for some bindings + +#if defined(SUPPORT_SCREEN_CAPTURE) +static int screenshotCounter = 0; // Screenshots counter +#endif + +#if defined(SUPPORT_GIF_RECORDING) +static int gifFrameCounter = 0; // GIF frames counter +static bool gifRecording = false; // GIF recording state +static MsfGifState gifState = { 0 }; // MSGIF context state +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) +#define MAX_CODE_AUTOMATION_EVENTS 16384 + +typedef enum AutomationEventType { + EVENT_NONE = 0, + // Input events + INPUT_KEY_UP, // param[0]: key + INPUT_KEY_DOWN, // param[0]: key + INPUT_KEY_PRESSED, // param[0]: key + INPUT_KEY_RELEASED, // param[0]: key + INPUT_MOUSE_BUTTON_UP, // param[0]: button + INPUT_MOUSE_BUTTON_DOWN, // param[0]: button + INPUT_MOUSE_POSITION, // param[0]: x, param[1]: y + INPUT_MOUSE_WHEEL_MOTION, // param[0]: delta + INPUT_GAMEPAD_CONNECT, // param[0]: gamepad + INPUT_GAMEPAD_DISCONNECT, // param[0]: gamepad + INPUT_GAMEPAD_BUTTON_UP, // param[0]: button + INPUT_GAMEPAD_BUTTON_DOWN, // param[0]: button + INPUT_GAMEPAD_AXIS_MOTION, // param[0]: axis, param[1]: delta + INPUT_TOUCH_UP, // param[0]: id + INPUT_TOUCH_DOWN, // param[0]: id + INPUT_TOUCH_POSITION, // param[0]: x, param[1]: y + INPUT_GESTURE, // param[0]: gesture + // Window events + WINDOW_CLOSE, // no params + WINDOW_MAXIMIZE, // no params + WINDOW_MINIMIZE, // no params + WINDOW_RESIZE, // param[0]: width, param[1]: height + // Custom events + ACTION_TAKE_SCREENSHOT, + ACTION_SETTARGETFPS +} AutomationEventType; + +// Event type +// Used to enable events flags +typedef enum { + EVENT_INPUT_KEYBOARD = 0, + EVENT_INPUT_MOUSE = 1, + EVENT_INPUT_GAMEPAD = 2, + EVENT_INPUT_TOUCH = 4, + EVENT_INPUT_GESTURE = 8, + EVENT_WINDOW = 16, + EVENT_CUSTOM = 32 +} EventType; + +static const char *autoEventTypeName[] = { + "EVENT_NONE", + "INPUT_KEY_UP", + "INPUT_KEY_DOWN", + "INPUT_KEY_PRESSED", + "INPUT_KEY_RELEASED", + "INPUT_MOUSE_BUTTON_UP", + "INPUT_MOUSE_BUTTON_DOWN", + "INPUT_MOUSE_POSITION", + "INPUT_MOUSE_WHEEL_MOTION", + "INPUT_GAMEPAD_CONNECT", + "INPUT_GAMEPAD_DISCONNECT", + "INPUT_GAMEPAD_BUTTON_UP", + "INPUT_GAMEPAD_BUTTON_DOWN", + "INPUT_GAMEPAD_AXIS_MOTION", + "INPUT_TOUCH_UP", + "INPUT_TOUCH_DOWN", + "INPUT_TOUCH_POSITION", + "INPUT_GESTURE", + "WINDOW_CLOSE", + "WINDOW_MAXIMIZE", + "WINDOW_MINIMIZE", + "WINDOW_RESIZE", + "ACTION_TAKE_SCREENSHOT", + "ACTION_SETTARGETFPS" +}; + +// Automation Event (20 bytes) +typedef struct AutomationEvent { + unsigned int frame; // Event frame + unsigned int type; // Event type (AutoEventType) + int params[3]; // Event parameters (if required) +} AutomationEvent; + +static AutomationEvent *events = NULL; // Events array +static unsigned int eventCount = 0; // Events count +static bool eventsPlaying = false; // Play events +static bool eventsRecording = false; // Record events + +//static short eventsEnabled = 0b0000001111111111; // Events enabled for checking +#endif +//----------------------------------------------------------------------------------- + +//---------------------------------------------------------------------------------- +// Other Modules Functions Declaration (required by core) +//---------------------------------------------------------------------------------- +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) +extern void LoadFontDefault(void); // [Module: text] Loads default font on InitWindow() +extern void UnloadFontDefault(void); // [Module: text] Unloads default font from GPU memory +#endif + +//---------------------------------------------------------------------------------- +// Module specific Functions Declaration +//---------------------------------------------------------------------------------- +static void InitTimer(void); // Initialize timer (hi-resolution if available) +static bool InitGraphicsDevice(int width, int height); // Initialize graphics device +static void SetupFramebuffer(int width, int height); // Setup main framebuffer +static void SetupViewport(int width, int height); // Set viewport for a provided width and height + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) +static void ErrorCallback(int error, const char *description); // GLFW3 Error Callback, runs on GLFW3 error +// Window callbacks events +static void WindowSizeCallback(GLFWwindow *window, int width, int height); // GLFW3 WindowSize Callback, runs when window is resized +#if !defined(PLATFORM_WEB) +static void WindowMaximizeCallback(GLFWwindow* window, int maximized); // GLFW3 Window Maximize Callback, runs when window is maximized +#endif +static void WindowIconifyCallback(GLFWwindow *window, int iconified); // GLFW3 WindowIconify Callback, runs when window is minimized/restored +static void WindowFocusCallback(GLFWwindow *window, int focused); // GLFW3 WindowFocus Callback, runs when window get/lose focus +static void WindowDropCallback(GLFWwindow *window, int count, const char **paths); // GLFW3 Window Drop Callback, runs when drop files into window +// Input callbacks events +static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods); // GLFW3 Keyboard Callback, runs on key pressed +static void CharCallback(GLFWwindow *window, unsigned int key); // GLFW3 Char Key Callback, runs on key pressed (get char value) +static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods); // GLFW3 Mouse Button Callback, runs on mouse button pressed +static void MouseCursorPosCallback(GLFWwindow *window, double x, double y); // GLFW3 Cursor Position Callback, runs on mouse move +static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset); // GLFW3 Srolling Callback, runs on mouse wheel +static void CursorEnterCallback(GLFWwindow *window, int enter); // GLFW3 Cursor Enter Callback, cursor enters client area +#endif + +#if defined(PLATFORM_ANDROID) +static void AndroidCommandCallback(struct android_app *app, int32_t cmd); // Process Android activity lifecycle commands +static int32_t AndroidInputCallback(struct android_app *app, AInputEvent *event); // Process Android inputs +#endif + +#if defined(PLATFORM_WEB) +static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData); +static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const EmscriptenUiEvent *event, void *userData); +static EM_BOOL EmscriptenResizeCallback(int eventType, const EmscriptenUiEvent *event, void *userData); + +static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData); +static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData); +static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData); +#endif + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) +static void InitKeyboard(void); // Initialize raw keyboard system +static void RestoreKeyboard(void); // Restore keyboard system +#if defined(SUPPORT_SSH_KEYBOARD_RPI) +static void ProcessKeyboard(void); // Process keyboard events +#endif + +static void InitEvdevInput(void); // Initialize evdev inputs +static void ConfigureEvdevDevice(char *device); // Identifies a input device and configures it for use if appropriate +static void PollKeyboardEvents(void); // Process evdev keyboard events. +static void *EventThread(void *arg); // Input device events reading thread + +static void InitGamepad(void); // Initialize raw gamepad input +static void *GamepadThread(void *arg); // Mouse reading thread + +#if defined(PLATFORM_DRM) +static int FindMatchingConnectorMode(const drmModeConnector *connector, const drmModeModeInfo *mode); // Search matching DRM mode in connector's mode list +static int FindExactConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced); // Search exactly matching DRM connector mode in connector's list +static int FindNearestConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced); // Search the nearest matching DRM connector mode in connector's list +#endif + +#endif // PLATFORM_RPI || PLATFORM_DRM + +#if defined(SUPPORT_EVENTS_AUTOMATION) +static void LoadAutomationEvents(const char *fileName); // Load automation events from file +static void ExportAutomationEvents(const char *fileName); // Export recorded automation events into a file +static void RecordAutomationEvent(unsigned int frame); // Record frame events (to internal events array) +static void PlayAutomationEvent(unsigned int frame); // Play frame events (from internal events array) +#endif + +#if defined(_WIN32) +// NOTE: We declare Sleep() function symbol to avoid including windows.h (kernel32.lib linkage required) +void __stdcall Sleep(unsigned long msTimeout); // Required for: WaitTime() +#endif + +#if !defined(SUPPORT_MODULE_RTEXT) +const char *TextFormat(const char *text, ...); // Formatting of text with variables to 'embed' +#endif // !SUPPORT_MODULE_RTEXT + +//---------------------------------------------------------------------------------- +// Module Functions Definition - Window and OpenGL Context Functions +//---------------------------------------------------------------------------------- +#if defined(PLATFORM_ANDROID) +// To allow easier porting to android, we allow the user to define a +// main function which we call from android_main, defined by ourselves +extern int main(int argc, char *argv[]); + +void android_main(struct android_app *app) +{ + char arg0[] = "raylib"; // NOTE: argv[] are mutable + CORE.Android.app = app; + + // NOTE: Return codes != 0 are skipped + (void)main(1, (char *[]) { arg0, NULL }); +} + +// NOTE: Add this to header (if apps really need it) +struct android_app *GetAndroidApp(void) +{ + return CORE.Android.app; +} +#endif + +// Initialize window and OpenGL context +// NOTE: data parameter could be used to pass any kind of required data to the initialization +void InitWindow(int width, int height, const char *title) +{ + TRACELOG(LOG_INFO, "Initializing raylib %s", RAYLIB_VERSION); + + TRACELOG(LOG_INFO, "Supported raylib modules:"); + TRACELOG(LOG_INFO, " > rcore:..... loaded (mandatory)"); + TRACELOG(LOG_INFO, " > rlgl:...... loaded (mandatory)"); +#if defined(SUPPORT_MODULE_RSHAPES) + TRACELOG(LOG_INFO, " > rshapes:... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rshapes:... not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RTEXTURES) + TRACELOG(LOG_INFO, " > rtextures:. loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rtextures:. not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RTEXT) + TRACELOG(LOG_INFO, " > rtext:..... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rtext:..... not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RMODELS) + TRACELOG(LOG_INFO, " > rmodels:... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rmodels:... not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RAUDIO) + TRACELOG(LOG_INFO, " > raudio:.... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > raudio:.... not loaded (optional)"); +#endif + + if ((title != NULL) && (title[0] != 0)) CORE.Window.title = title; + + // Initialize required global values different than 0 + CORE.Input.Keyboard.exitKey = KEY_ESCAPE; + CORE.Input.Mouse.scale = (Vector2){ 1.0f, 1.0f }; + CORE.Input.Mouse.cursor = MOUSE_CURSOR_ARROW; + CORE.Input.Gamepad.lastButtonPressed = -1; + +#if defined(PLATFORM_ANDROID) + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + CORE.Window.currentFbo.width = width; + CORE.Window.currentFbo.height = height; + + // Set desired windows flags before initializing anything + ANativeActivity_setWindowFlags(CORE.Android.app->activity, AWINDOW_FLAG_FULLSCREEN, 0); //AWINDOW_FLAG_SCALED, AWINDOW_FLAG_DITHER + + int orientation = AConfiguration_getOrientation(CORE.Android.app->config); + + if (orientation == ACONFIGURATION_ORIENTATION_PORT) TRACELOG(LOG_INFO, "ANDROID: Window orientation set as portrait"); + else if (orientation == ACONFIGURATION_ORIENTATION_LAND) TRACELOG(LOG_INFO, "ANDROID: Window orientation set as landscape"); + + // TODO: Automatic orientation doesn't seem to work + if (width <= height) + { + AConfiguration_setOrientation(CORE.Android.app->config, ACONFIGURATION_ORIENTATION_PORT); + TRACELOG(LOG_WARNING, "ANDROID: Window orientation changed to portrait"); + } + else + { + AConfiguration_setOrientation(CORE.Android.app->config, ACONFIGURATION_ORIENTATION_LAND); + TRACELOG(LOG_WARNING, "ANDROID: Window orientation changed to landscape"); + } + + //AConfiguration_getDensity(CORE.Android.app->config); + //AConfiguration_getKeyboard(CORE.Android.app->config); + //AConfiguration_getScreenSize(CORE.Android.app->config); + //AConfiguration_getScreenLong(CORE.Android.app->config); + + // Initialize App command system + // NOTE: On APP_CMD_INIT_WINDOW -> InitGraphicsDevice(), InitTimer(), LoadFontDefault()... + CORE.Android.app->onAppCmd = AndroidCommandCallback; + + // Initialize input events system + CORE.Android.app->onInputEvent = AndroidInputCallback; + + // Initialize assets manager + InitAssetManager(CORE.Android.app->activity->assetManager, CORE.Android.app->activity->internalDataPath); + + // Initialize base path for storage + CORE.Storage.basePath = CORE.Android.app->activity->internalDataPath; + + TRACELOG(LOG_INFO, "ANDROID: App initialized successfully"); + + // Android ALooper_pollAll() variables + int pollResult = 0; + int pollEvents = 0; + + // Wait for window to be initialized (display and context) + while (!CORE.Window.ready) + { + // Process events loop + while ((pollResult = ALooper_pollAll(0, NULL, &pollEvents, (void**)&CORE.Android.source)) >= 0) + { + // Process this event + if (CORE.Android.source != NULL) CORE.Android.source->process(CORE.Android.app, CORE.Android.source); + + // NOTE: Never close window, native activity is controlled by the system! + //if (CORE.Android.app->destroyRequested != 0) CORE.Window.shouldClose = true; + } + } +#endif +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + // Initialize graphics device (display device and OpenGL context) + // NOTE: returns true if window and graphic device has been initialized successfully + CORE.Window.ready = InitGraphicsDevice(width, height); + + // If graphic device is no properly initialized, we end program + if (!CORE.Window.ready) + { + TRACELOG(LOG_FATAL, "Failed to initialize Graphic Device"); + return; + } + + // Initialize hi-res timer + InitTimer(); + + // Initialize random seed + srand((unsigned int)time(NULL)); + + // Initialize base path for storage + CORE.Storage.basePath = GetWorkingDirectory(); + +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + // Load default font + // WARNING: External function: Module required: rtext + LoadFontDefault(); + #if defined(SUPPORT_MODULE_RSHAPES) + Rectangle rec = GetFontDefault().recs[95]; + // NOTE: We setup a 1px padding on char rectangle to avoid pixel bleeding on MSAA filtering + SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); // WARNING: Module required: rshapes + #endif +#else + #if defined(SUPPORT_MODULE_RSHAPES) + // Set default texture and rectangle to be used for shapes drawing + // NOTE: rlgl default texture is a 1x1 pixel UNCOMPRESSED_R8G8B8A8 + Texture2D texture = { rlGetTextureIdDefault(), 1, 1, 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 }; + SetShapesTexture(texture, (Rectangle){ 0.0f, 0.0f, 1.0f, 1.0f }); // WARNING: Module required: rshapes + #endif +#endif +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + // Set default font texture filter for HighDPI (blurry) + // RL_TEXTURE_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps + rlTextureParameters(GetFontDefault().texture.id, RL_TEXTURE_MIN_FILTER, RL_TEXTURE_FILTER_LINEAR); + rlTextureParameters(GetFontDefault().texture.id, RL_TEXTURE_MAG_FILTER, RL_TEXTURE_FILTER_LINEAR); + } +#endif + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + // Initialize raw input system + InitEvdevInput(); // Evdev inputs initialization + InitGamepad(); // Gamepad init + InitKeyboard(); // Keyboard init (stdin) +#endif + +#if defined(PLATFORM_WEB) + // Setup callback funtions for the DOM events + emscripten_set_fullscreenchange_callback("#canvas", NULL, 1, EmscriptenFullscreenChangeCallback); + + // WARNING: Below resize code was breaking fullscreen mode for sample games and examples, it needs review + // Check fullscreen change events(note this is done on the window since most browsers don't support this on #canvas) + //emscripten_set_fullscreenchange_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 1, EmscriptenResizeCallback); + // Check Resize event (note this is done on the window since most browsers don't support this on #canvas) + //emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 1, EmscriptenResizeCallback); + // Trigger this once to get initial window sizing + //EmscriptenResizeCallback(EMSCRIPTEN_EVENT_RESIZE, NULL, NULL); + + // Support keyboard events -> Not used, GLFW.JS takes care of that + //emscripten_set_keypress_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); + //emscripten_set_keydown_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); + + // Support mouse events + emscripten_set_click_callback("#canvas", NULL, 1, EmscriptenMouseCallback); + + // Support touch events + emscripten_set_touchstart_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + emscripten_set_touchend_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + emscripten_set_touchmove_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + emscripten_set_touchcancel_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + + // Support gamepad events (not provided by GLFW3 on emscripten) + emscripten_set_gamepadconnected_callback(NULL, 1, EmscriptenGamepadCallback); + emscripten_set_gamepaddisconnected_callback(NULL, 1, EmscriptenGamepadCallback); +#endif + + CORE.Input.Mouse.currentPosition.x = (float)CORE.Window.screen.width/2.0f; + CORE.Input.Mouse.currentPosition.y = (float)CORE.Window.screen.height/2.0f; + +#if defined(SUPPORT_EVENTS_AUTOMATION) + events = (AutomationEvent *)malloc(MAX_CODE_AUTOMATION_EVENTS*sizeof(AutomationEvent)); + CORE.Time.frameCounter = 0; +#endif + +#endif // PLATFORM_DESKTOP || PLATFORM_WEB || PLATFORM_RPI || PLATFORM_DRM +} + +// Close window and unload OpenGL context +void CloseWindow(void) +{ +#if defined(SUPPORT_GIF_RECORDING) + if (gifRecording) + { + MsfGifResult result = msf_gif_end(&gifState); + msf_gif_free(result); + gifRecording = false; + } +#endif + +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + UnloadFontDefault(); // WARNING: Module required: rtext +#endif + + rlglClose(); // De-init rlgl + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwDestroyWindow(CORE.Window.handle); + glfwTerminate(); +#endif + +#if defined(_WIN32) && defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP) + timeEndPeriod(1); // Restore time period +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) + // Close surface, context and display + if (CORE.Window.device != EGL_NO_DISPLAY) + { + eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + + if (CORE.Window.surface != EGL_NO_SURFACE) + { + eglDestroySurface(CORE.Window.device, CORE.Window.surface); + CORE.Window.surface = EGL_NO_SURFACE; + } + + if (CORE.Window.context != EGL_NO_CONTEXT) + { + eglDestroyContext(CORE.Window.device, CORE.Window.context); + CORE.Window.context = EGL_NO_CONTEXT; + } + + eglTerminate(CORE.Window.device); + CORE.Window.device = EGL_NO_DISPLAY; + } +#endif + +#if defined(PLATFORM_DRM) + if (CORE.Window.prevFB) + { + drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB); + CORE.Window.prevFB = 0; + } + + if (CORE.Window.prevBO) + { + gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO); + CORE.Window.prevBO = NULL; + } + + if (CORE.Window.gbmSurface) + { + gbm_surface_destroy(CORE.Window.gbmSurface); + CORE.Window.gbmSurface = NULL; + } + + if (CORE.Window.gbmDevice) + { + gbm_device_destroy(CORE.Window.gbmDevice); + CORE.Window.gbmDevice = NULL; + } + + if (CORE.Window.crtc) + { + if (CORE.Window.connector) + { + drmModeSetCrtc(CORE.Window.fd, CORE.Window.crtc->crtc_id, CORE.Window.crtc->buffer_id, + CORE.Window.crtc->x, CORE.Window.crtc->y, &CORE.Window.connector->connector_id, 1, &CORE.Window.crtc->mode); + drmModeFreeConnector(CORE.Window.connector); + CORE.Window.connector = NULL; + } + + drmModeFreeCrtc(CORE.Window.crtc); + CORE.Window.crtc = NULL; + } + + if (CORE.Window.fd != -1) + { + close(CORE.Window.fd); + CORE.Window.fd = -1; + } + + // Close surface, context and display + if (CORE.Window.device != EGL_NO_DISPLAY) + { + if (CORE.Window.surface != EGL_NO_SURFACE) + { + eglDestroySurface(CORE.Window.device, CORE.Window.surface); + CORE.Window.surface = EGL_NO_SURFACE; + } + + if (CORE.Window.context != EGL_NO_CONTEXT) + { + eglDestroyContext(CORE.Window.device, CORE.Window.context); + CORE.Window.context = EGL_NO_CONTEXT; + } + + eglTerminate(CORE.Window.device); + CORE.Window.device = EGL_NO_DISPLAY; + } +#endif + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + // Wait for mouse and gamepad threads to finish before closing + // NOTE: Those threads should already have finished at this point + // because they are controlled by CORE.Window.shouldClose variable + + CORE.Window.shouldClose = true; // Added to force threads to exit when the close window is called + + // Close the evdev keyboard + if (CORE.Input.Keyboard.fd != -1) + { + close(CORE.Input.Keyboard.fd); + CORE.Input.Keyboard.fd = -1; + } + + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].threadId) + { + pthread_join(CORE.Input.eventWorker[i].threadId, NULL); + } + } + + if (CORE.Input.Gamepad.threadId) pthread_join(CORE.Input.Gamepad.threadId, NULL); +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) + free(events); +#endif + + CORE.Window.ready = false; + TRACELOG(LOG_INFO, "Window closed successfully"); +} + +// Check if KEY_ESCAPE pressed or Close icon pressed +bool WindowShouldClose(void) +{ +#if defined(PLATFORM_WEB) + // Emterpreter-Async required to run sync code + // https://github.com/emscripten-core/emscripten/wiki/Emterpreter#emterpreter-async-run-synchronous-code + // By default, this function is never called on a web-ready raylib example because we encapsulate + // frame code in a UpdateDrawFrame() function, to allow browser manage execution asynchronously + // but now emscripten allows sync code to be executed in an interpreted way, using emterpreter! + emscripten_sleep(16); + return false; +#endif + +#if defined(PLATFORM_DESKTOP) + if (CORE.Window.ready) + { + // While window minimized, stop loop execution + while (IsWindowState(FLAG_WINDOW_MINIMIZED) && !IsWindowState(FLAG_WINDOW_ALWAYS_RUN)) glfwWaitEvents(); + + CORE.Window.shouldClose = glfwWindowShouldClose(CORE.Window.handle); + + // Reset close status for next frame + glfwSetWindowShouldClose(CORE.Window.handle, GLFW_FALSE); + + return CORE.Window.shouldClose; + } + else return true; +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + if (CORE.Window.ready) return CORE.Window.shouldClose; + else return true; +#endif +} + +// Check if window has been initialized successfully +bool IsWindowReady(void) +{ + return CORE.Window.ready; +} + +// Check if window is currently fullscreen +bool IsWindowFullscreen(void) +{ + return CORE.Window.fullscreen; +} + +// Check if window is currently hidden +bool IsWindowHidden(void) +{ +#if defined(PLATFORM_DESKTOP) + return ((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0); +#endif + return false; +} + +// Check if window has been minimized +bool IsWindowMinimized(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + return ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0); +#else + return false; +#endif +} + +// Check if window has been maximized (only PLATFORM_DESKTOP) +bool IsWindowMaximized(void) +{ +#if defined(PLATFORM_DESKTOP) + return ((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0); +#else + return false; +#endif +} + +// Check if window has the focus +bool IsWindowFocused(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + return ((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) == 0); +#else + return true; +#endif +} + +// Check if window has been resizedLastFrame +bool IsWindowResized(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + return CORE.Window.resizedLastFrame; +#else + return false; +#endif +} + +// Check if one specific window flag is enabled +bool IsWindowState(unsigned int flag) +{ + return ((CORE.Window.flags & flag) > 0); +} + +// Toggle fullscreen mode (only PLATFORM_DESKTOP) +void ToggleFullscreen(void) +{ +#if defined(PLATFORM_DESKTOP) + // NOTE: glfwSetWindowMonitor() doesn't work properly (bugs) + if (!CORE.Window.fullscreen) + { + // Store previous window position (in case we exit fullscreen) + glfwGetWindowPos(CORE.Window.handle, &CORE.Window.position.x, &CORE.Window.position.y); + + int monitorCount = 0; + GLFWmonitor** monitors = glfwGetMonitors(&monitorCount); + + int monitorIndex = GetCurrentMonitor(); + + // Use current monitor, so we correctly get the display the window is on + GLFWmonitor* monitor = monitorIndex < monitorCount ? monitors[monitorIndex] : NULL; + + if (!monitor) + { + TRACELOG(LOG_WARNING, "GLFW: Failed to get monitor"); + + CORE.Window.fullscreen = false; // Toggle fullscreen flag + CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE; + + glfwSetWindowMonitor(CORE.Window.handle, NULL, 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); + return; + } + + CORE.Window.fullscreen = true; // Toggle fullscreen flag + CORE.Window.flags |= FLAG_FULLSCREEN_MODE; + + glfwSetWindowMonitor(CORE.Window.handle, monitor, 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); + } + else + { + CORE.Window.fullscreen = false; // Toggle fullscreen flag + CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE; + + glfwSetWindowMonitor(CORE.Window.handle, NULL, CORE.Window.position.x, CORE.Window.position.y, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); + } + + // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) + // NOTE: V-Sync can be enabled by graphic driver configuration + if (CORE.Window.flags & FLAG_VSYNC_HINT) glfwSwapInterval(1); +#endif +#if defined(PLATFORM_WEB) +/* + EM_ASM + ( + // This strategy works well while using raylib minimal web shell for emscripten, + // it re-scales the canvas to fullscreen using monitor resolution, for tools this + // is a good strategy but maybe games prefer to keep current canvas resolution and + // display it in fullscreen, adjusting monitor resolution if possible + if (document.fullscreenElement) document.exitFullscreen(); + else Module.requestFullscreen(true, true); //false, true); + ); +*/ + //EM_ASM(Module.requestFullscreen(false, false);); +/* + if (!CORE.Window.fullscreen) + { + // Option 1: Request fullscreen for the canvas element + // This option does not seem to work at all: + // emscripten_request_pointerlock() and emscripten_request_fullscreen() are affected by web security, + // the user must click once on the canvas to hide the pointer or transition to full screen + //emscripten_request_fullscreen("#canvas", false); + + // Option 2: Request fullscreen for the canvas element with strategy + // This option does not seem to work at all + // Ref: https://github.com/emscripten-core/emscripten/issues/5124 + // EmscriptenFullscreenStrategy strategy = { + // .scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH, //EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT, + // .canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF, + // .filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT, + // .canvasResizedCallback = EmscriptenWindowResizedCallback, + // .canvasResizedCallbackUserData = NULL + // }; + //emscripten_request_fullscreen_strategy("#canvas", EM_FALSE, &strategy); + + // Option 3: Request fullscreen for the canvas element with strategy + // It works as expected but only inside the browser (client area) + EmscriptenFullscreenStrategy strategy = { + .scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT, + .canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF, + .filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT, + .canvasResizedCallback = EmscriptenWindowResizedCallback, + .canvasResizedCallbackUserData = NULL + }; + emscripten_enter_soft_fullscreen("#canvas", &strategy); + + int width, height; + emscripten_get_canvas_element_size("#canvas", &width, &height); + TRACELOG(LOG_WARNING, "Emscripten: Enter fullscreen: Canvas size: %i x %i", width, height); + + CORE.Window.fullscreen = true; // Toggle fullscreen flag + CORE.Window.flags |= FLAG_FULLSCREEN_MODE; + } + else + { + //emscripten_exit_fullscreen(); + //emscripten_exit_soft_fullscreen(); + + int width, height; + emscripten_get_canvas_element_size("#canvas", &width, &height); + TRACELOG(LOG_WARNING, "Emscripten: Exit fullscreen: Canvas size: %i x %i", width, height); + + CORE.Window.fullscreen = false; // Toggle fullscreen flag + CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE; + } +*/ + + CORE.Window.fullscreen = !CORE.Window.fullscreen; // Toggle fullscreen flag +#endif +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + TRACELOG(LOG_WARNING, "SYSTEM: Failed to toggle to windowed mode"); +#endif +} + +// Set window state: maximized, if resizable (only PLATFORM_DESKTOP) +void MaximizeWindow(void) +{ +#if defined(PLATFORM_DESKTOP) + if (glfwGetWindowAttrib(CORE.Window.handle, GLFW_RESIZABLE) == GLFW_TRUE) + { + glfwMaximizeWindow(CORE.Window.handle); + CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; + } +#endif +} + +// Set window state: minimized (only PLATFORM_DESKTOP) +void MinimizeWindow(void) +{ +#if defined(PLATFORM_DESKTOP) + // NOTE: Following function launches callback that sets appropiate flag! + glfwIconifyWindow(CORE.Window.handle); +#endif +} + +// Set window state: not minimized/maximized (only PLATFORM_DESKTOP) +void RestoreWindow(void) +{ +#if defined(PLATFORM_DESKTOP) + if (glfwGetWindowAttrib(CORE.Window.handle, GLFW_RESIZABLE) == GLFW_TRUE) + { + // Restores the specified window if it was previously iconified (minimized) or maximized + glfwRestoreWindow(CORE.Window.handle); + CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; + CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; + } +#endif +} + +// Set window configuration state using flags +void SetWindowState(unsigned int flags) +{ +#if defined(PLATFORM_DESKTOP) + // Check previous state and requested state to apply required changes + // NOTE: In most cases the functions already change the flags internally + + // State change: FLAG_VSYNC_HINT + if (((CORE.Window.flags & FLAG_VSYNC_HINT) != (flags & FLAG_VSYNC_HINT)) && ((flags & FLAG_VSYNC_HINT) > 0)) + { + glfwSwapInterval(1); + CORE.Window.flags |= FLAG_VSYNC_HINT; + } + + // State change: FLAG_FULLSCREEN_MODE + if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) != (flags & FLAG_FULLSCREEN_MODE)) + { + ToggleFullscreen(); // NOTE: Window state flag updated inside function + } + + // State change: FLAG_WINDOW_RESIZABLE + if (((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) != (flags & FLAG_WINDOW_RESIZABLE)) && ((flags & FLAG_WINDOW_RESIZABLE) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_RESIZABLE, GLFW_TRUE); + CORE.Window.flags |= FLAG_WINDOW_RESIZABLE; + } + + // State change: FLAG_WINDOW_UNDECORATED + if (((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) != (flags & FLAG_WINDOW_UNDECORATED)) && (flags & FLAG_WINDOW_UNDECORATED)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_DECORATED, GLFW_FALSE); + CORE.Window.flags |= FLAG_WINDOW_UNDECORATED; + } + + // State change: FLAG_WINDOW_HIDDEN + if (((CORE.Window.flags & FLAG_WINDOW_HIDDEN) != (flags & FLAG_WINDOW_HIDDEN)) && ((flags & FLAG_WINDOW_HIDDEN) > 0)) + { + glfwHideWindow(CORE.Window.handle); + CORE.Window.flags |= FLAG_WINDOW_HIDDEN; + } + + // State change: FLAG_WINDOW_MINIMIZED + if (((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) != (flags & FLAG_WINDOW_MINIMIZED)) && ((flags & FLAG_WINDOW_MINIMIZED) > 0)) + { + //GLFW_ICONIFIED + MinimizeWindow(); // NOTE: Window state flag updated inside function + } + + // State change: FLAG_WINDOW_MAXIMIZED + if (((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) != (flags & FLAG_WINDOW_MAXIMIZED)) && ((flags & FLAG_WINDOW_MAXIMIZED) > 0)) + { + //GLFW_MAXIMIZED + MaximizeWindow(); // NOTE: Window state flag updated inside function + } + + // State change: FLAG_WINDOW_UNFOCUSED + if (((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) != (flags & FLAG_WINDOW_UNFOCUSED)) && ((flags & FLAG_WINDOW_UNFOCUSED) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_FOCUS_ON_SHOW, GLFW_FALSE); + CORE.Window.flags |= FLAG_WINDOW_UNFOCUSED; + } + + // State change: FLAG_WINDOW_TOPMOST + if (((CORE.Window.flags & FLAG_WINDOW_TOPMOST) != (flags & FLAG_WINDOW_TOPMOST)) && ((flags & FLAG_WINDOW_TOPMOST) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_FLOATING, GLFW_TRUE); + CORE.Window.flags |= FLAG_WINDOW_TOPMOST; + } + + // State change: FLAG_WINDOW_ALWAYS_RUN + if (((CORE.Window.flags & FLAG_WINDOW_ALWAYS_RUN) != (flags & FLAG_WINDOW_ALWAYS_RUN)) && ((flags & FLAG_WINDOW_ALWAYS_RUN) > 0)) + { + CORE.Window.flags |= FLAG_WINDOW_ALWAYS_RUN; + } + + // The following states can not be changed after window creation + + // State change: FLAG_WINDOW_TRANSPARENT + if (((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) != (flags & FLAG_WINDOW_TRANSPARENT)) && ((flags & FLAG_WINDOW_TRANSPARENT) > 0)) + { + TRACELOG(LOG_WARNING, "WINDOW: Framebuffer transparency can only by configured before window initialization"); + } + + // State change: FLAG_WINDOW_HIGHDPI + if (((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) != (flags & FLAG_WINDOW_HIGHDPI)) && ((flags & FLAG_WINDOW_HIGHDPI) > 0)) + { + TRACELOG(LOG_WARNING, "WINDOW: High DPI can only by configured before window initialization"); + } + + // State change: FLAG_MSAA_4X_HINT + if (((CORE.Window.flags & FLAG_MSAA_4X_HINT) != (flags & FLAG_MSAA_4X_HINT)) && ((flags & FLAG_MSAA_4X_HINT) > 0)) + { + TRACELOG(LOG_WARNING, "WINDOW: MSAA can only by configured before window initialization"); + } + + // State change: FLAG_INTERLACED_HINT + if (((CORE.Window.flags & FLAG_INTERLACED_HINT) != (flags & FLAG_INTERLACED_HINT)) && ((flags & FLAG_INTERLACED_HINT) > 0)) + { + TRACELOG(LOG_WARNING, "RPI: Interlaced mode can only by configured before window initialization"); + } +#endif +} + +// Clear window configuration state flags +void ClearWindowState(unsigned int flags) +{ +#if defined(PLATFORM_DESKTOP) + // Check previous state and requested state to apply required changes + // NOTE: In most cases the functions already change the flags internally + + // State change: FLAG_VSYNC_HINT + if (((CORE.Window.flags & FLAG_VSYNC_HINT) > 0) && ((flags & FLAG_VSYNC_HINT) > 0)) + { + glfwSwapInterval(0); + CORE.Window.flags &= ~FLAG_VSYNC_HINT; + } + + // State change: FLAG_FULLSCREEN_MODE + if (((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) && ((flags & FLAG_FULLSCREEN_MODE) > 0)) + { + ToggleFullscreen(); // NOTE: Window state flag updated inside function + } + + // State change: FLAG_WINDOW_RESIZABLE + if (((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) > 0) && ((flags & FLAG_WINDOW_RESIZABLE) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_RESIZABLE, GLFW_FALSE); + CORE.Window.flags &= ~FLAG_WINDOW_RESIZABLE; + } + + // State change: FLAG_WINDOW_UNDECORATED + if (((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) > 0) && ((flags & FLAG_WINDOW_UNDECORATED) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_DECORATED, GLFW_TRUE); + CORE.Window.flags &= ~FLAG_WINDOW_UNDECORATED; + } + + // State change: FLAG_WINDOW_HIDDEN + if (((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0) && ((flags & FLAG_WINDOW_HIDDEN) > 0)) + { + glfwShowWindow(CORE.Window.handle); + CORE.Window.flags &= ~FLAG_WINDOW_HIDDEN; + } + + // State change: FLAG_WINDOW_MINIMIZED + if (((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) && ((flags & FLAG_WINDOW_MINIMIZED) > 0)) + { + RestoreWindow(); // NOTE: Window state flag updated inside function + } + + // State change: FLAG_WINDOW_MAXIMIZED + if (((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) && ((flags & FLAG_WINDOW_MAXIMIZED) > 0)) + { + RestoreWindow(); // NOTE: Window state flag updated inside function + } + + // State change: FLAG_WINDOW_UNFOCUSED + if (((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) > 0) && ((flags & FLAG_WINDOW_UNFOCUSED) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_FOCUS_ON_SHOW, GLFW_TRUE); + CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED; + } + + // State change: FLAG_WINDOW_TOPMOST + if (((CORE.Window.flags & FLAG_WINDOW_TOPMOST) > 0) && ((flags & FLAG_WINDOW_TOPMOST) > 0)) + { + glfwSetWindowAttrib(CORE.Window.handle, GLFW_FLOATING, GLFW_FALSE); + CORE.Window.flags &= ~FLAG_WINDOW_TOPMOST; + } + + // State change: FLAG_WINDOW_ALWAYS_RUN + if (((CORE.Window.flags & FLAG_WINDOW_ALWAYS_RUN) > 0) && ((flags & FLAG_WINDOW_ALWAYS_RUN) > 0)) + { + CORE.Window.flags &= ~FLAG_WINDOW_ALWAYS_RUN; + } + + // The following states can not be changed after window creation + + // State change: FLAG_WINDOW_TRANSPARENT + if (((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) > 0) && ((flags & FLAG_WINDOW_TRANSPARENT) > 0)) + { + TRACELOG(LOG_WARNING, "WINDOW: Framebuffer transparency can only by configured before window initialization"); + } + + // State change: FLAG_WINDOW_HIGHDPI + if (((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) && ((flags & FLAG_WINDOW_HIGHDPI) > 0)) + { + TRACELOG(LOG_WARNING, "WINDOW: High DPI can only by configured before window initialization"); + } + + // State change: FLAG_MSAA_4X_HINT + if (((CORE.Window.flags & FLAG_MSAA_4X_HINT) > 0) && ((flags & FLAG_MSAA_4X_HINT) > 0)) + { + TRACELOG(LOG_WARNING, "WINDOW: MSAA can only by configured before window initialization"); + } + + // State change: FLAG_INTERLACED_HINT + if (((CORE.Window.flags & FLAG_INTERLACED_HINT) > 0) && ((flags & FLAG_INTERLACED_HINT) > 0)) + { + TRACELOG(LOG_WARNING, "RPI: Interlaced mode can only by configured before window initialization"); + } +#endif +} + +// Set icon for window (only PLATFORM_DESKTOP) +// NOTE: Image must be in RGBA format, 8bit per channel +void SetWindowIcon(Image image) +{ +#if defined(PLATFORM_DESKTOP) + if (image.format == PIXELFORMAT_UNCOMPRESSED_R8G8B8A8) + { + GLFWimage icon[1] = { 0 }; + + icon[0].width = image.width; + icon[0].height = image.height; + icon[0].pixels = (unsigned char *)image.data; + + // NOTE 1: We only support one image icon + // NOTE 2: The specified image data is copied before this function returns + glfwSetWindowIcon(CORE.Window.handle, 1, icon); + } + else TRACELOG(LOG_WARNING, "GLFW: Window icon image must be in R8G8B8A8 pixel format"); +#endif +} + +// Set title for window (only PLATFORM_DESKTOP) +void SetWindowTitle(const char *title) +{ + CORE.Window.title = title; +#if defined(PLATFORM_DESKTOP) + glfwSetWindowTitle(CORE.Window.handle, title); +#endif +} + +// Set window position on screen (windowed mode) +void SetWindowPosition(int x, int y) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetWindowPos(CORE.Window.handle, x, y); +#endif +} + +// Set monitor for the current window (fullscreen mode) +void SetWindowMonitor(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount = 0; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + TRACELOG(LOG_INFO, "GLFW: Selected fullscreen monitor: [%i] %s", monitor, glfwGetMonitorName(monitors[monitor])); + + const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); + glfwSetWindowMonitor(CORE.Window.handle, monitors[monitor], 0, 0, mode->width, mode->height, mode->refreshRate); + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif +} + +// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE) +void SetWindowMinSize(int width, int height) +{ +#if defined(PLATFORM_DESKTOP) + const GLFWvidmode *mode = glfwGetVideoMode(glfwGetPrimaryMonitor()); + glfwSetWindowSizeLimits(CORE.Window.handle, width, height, mode->width, mode->height); +#endif +} + +// Set window dimensions +void SetWindowSize(int width, int height) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwSetWindowSize(CORE.Window.handle, width, height); +#endif +} + +// Set window opacity, value opacity is between 0.0 and 1.0 +void SetWindowOpacity(float opacity) +{ +#if defined(PLATFORM_DESKTOP) + if (opacity >= 1.0f) opacity = 1.0f; + else if (opacity <= 0.0f) opacity = 0.0f; + glfwSetWindowOpacity(CORE.Window.handle, opacity); +#endif +} + +// Get current screen width +int GetScreenWidth(void) +{ + return CORE.Window.screen.width; +} + +// Get current screen height +int GetScreenHeight(void) +{ + return CORE.Window.screen.height; +} + +// Get current render width which is equal to screen width * dpi scale +int GetRenderWidth(void) +{ + return CORE.Window.render.width; +} + +// Get current screen height which is equal to screen height * dpi scale +int GetRenderHeight(void) +{ + return CORE.Window.render.height; +} + +// Get native window handle +void *GetWindowHandle(void) +{ +#if defined(PLATFORM_DESKTOP) && defined(_WIN32) + // NOTE: Returned handle is: void *HWND (windows.h) + return glfwGetWin32Window(CORE.Window.handle); +#endif +#if defined(__linux__) + // NOTE: Returned handle is: unsigned long Window (X.h) + // typedef unsigned long XID; + // typedef XID Window; + //unsigned long id = (unsigned long)glfwGetX11Window(window); + return NULL; // TODO: Find a way to return value... cast to void *? +#endif +#if defined(__APPLE__) + // NOTE: Returned handle is: (objc_object *) + return NULL; // TODO: return (void *)glfwGetCocoaWindow(window); +#endif + + return NULL; +} + +// Get number of monitors +int GetMonitorCount(void) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + glfwGetMonitors(&monitorCount); + return monitorCount; +#else + return 1; +#endif +} + +// Get number of monitors +int GetCurrentMonitor(void) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor** monitors = glfwGetMonitors(&monitorCount); + GLFWmonitor* monitor = NULL; + + if (monitorCount == 1) // easy out + return 0; + + if (IsWindowFullscreen()) + { + monitor = glfwGetWindowMonitor(CORE.Window.handle); + for (int i = 0; i < monitorCount; i++) + { + if (monitors[i] == monitor) + return i; + } + return 0; + } + else + { + int x = 0; + int y = 0; + + glfwGetWindowPos(CORE.Window.handle, &x, &y); + + for (int i = 0; i < monitorCount; i++) + { + int mx = 0; + int my = 0; + + int width = 0; + int height = 0; + + monitor = monitors[i]; + glfwGetMonitorWorkarea(monitor, &mx, &my, &width, &height); + if (x >= mx && x <= (mx + width) && y >= my && y <= (my + height)) + return i; + } + } + return 0; +#else + return 0; +#endif +} + +// Get selected monitor width +Vector2 GetMonitorPosition(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor** monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int x, y; + glfwGetMonitorPos(monitors[monitor], &x, &y); + + return (Vector2){ (float)x, (float)y }; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return (Vector2){ 0, 0 }; +} + +// Get selected monitor width (max available by monitor) +int GetMonitorWidth(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int count = 0; + const GLFWvidmode *modes = glfwGetVideoModes(monitors[monitor], &count); + + // We return the maximum resolution available, the last one in the modes array + if (count > 0) return modes[count - 1].width; + else TRACELOG(LOG_WARNING, "GLFW: Failed to find video mode for selected monitor"); + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get selected monitor width (max available by monitor) +int GetMonitorHeight(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int count = 0; + const GLFWvidmode *modes = glfwGetVideoModes(monitors[monitor], &count); + + // We return the maximum resolution available, the last one in the modes array + if (count > 0) return modes[count - 1].height; + else TRACELOG(LOG_WARNING, "GLFW: Failed to find video mode for selected monitor"); + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get selected monitor physical width in millimetres +int GetMonitorPhysicalWidth(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int physicalWidth; + glfwGetMonitorPhysicalSize(monitors[monitor], &physicalWidth, NULL); + return physicalWidth; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get primary monitor physical height in millimetres +int GetMonitorPhysicalHeight(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int physicalHeight; + glfwGetMonitorPhysicalSize(monitors[monitor], NULL, &physicalHeight); + return physicalHeight; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +int GetMonitorRefreshRate(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + const GLFWvidmode *vidmode = glfwGetVideoMode(monitors[monitor]); + return vidmode->refreshRate; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif +#if defined(PLATFORM_DRM) + if ((CORE.Window.connector) && (CORE.Window.modeIndex >= 0)) + { + return CORE.Window.connector->modes[CORE.Window.modeIndex].vrefresh; + } +#endif + return 0; +} + +// Get window position XY on monitor +Vector2 GetWindowPosition(void) +{ + int x = 0; + int y = 0; +#if defined(PLATFORM_DESKTOP) + glfwGetWindowPos(CORE.Window.handle, &x, &y); +#endif + return (Vector2){ (float)x, (float)y }; +} + +// Get window scale DPI factor +Vector2 GetWindowScaleDPI(void) +{ + Vector2 scale = { 1.0f, 1.0f }; + +#if defined(PLATFORM_DESKTOP) + float xdpi = 1.0; + float ydpi = 1.0; + Vector2 windowPos = GetWindowPosition(); + + int monitorCount = 0; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + // Check window monitor + for (int i = 0; i < monitorCount; i++) + { + glfwGetMonitorContentScale(monitors[i], &xdpi, &ydpi); + + int xpos, ypos, width, height; + glfwGetMonitorWorkarea(monitors[i], &xpos, &ypos, &width, &height); + + if ((windowPos.x >= xpos) && (windowPos.x < xpos + width) && + (windowPos.y >= ypos) && (windowPos.y < ypos + height)) + { + scale.x = xdpi; + scale.y = ydpi; + break; + } + } +#endif + + return scale; +} + +// Get the human-readable, UTF-8 encoded name of the primary monitor +const char *GetMonitorName(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + return glfwGetMonitorName(monitors[monitor]); + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return ""; +} + +// Get clipboard text content +// NOTE: returned string is allocated and freed by GLFW +const char *GetClipboardText(void) +{ +#if defined(PLATFORM_DESKTOP) + return glfwGetClipboardString(CORE.Window.handle); +#endif +#if defined(PLATFORM_WEB) + return emscripten_run_script_string("navigator.clipboard.readText()"); +#endif + return NULL; +} + +// Set clipboard text content +void SetClipboardText(const char *text) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetClipboardString(CORE.Window.handle, text); +#endif +#if defined(PLATFORM_WEB) + emscripten_run_script(TextFormat("navigator.clipboard.writeText('%s')", text)); +#endif +} + +// Show mouse cursor +void ShowCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); +#endif + + CORE.Input.Mouse.cursorHidden = false; +} + +// Hides mouse cursor +void HideCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); +#endif + + CORE.Input.Mouse.cursorHidden = true; +} + +// Check if cursor is not visible +bool IsCursorHidden(void) +{ + return CORE.Input.Mouse.cursorHidden; +} + +// Enables cursor (unlock cursor) +void EnableCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); +#endif +#if defined(PLATFORM_WEB) + emscripten_exit_pointerlock(); +#endif + + CORE.Input.Mouse.cursorHidden = false; +} + +// Disables cursor (lock cursor) +void DisableCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_DISABLED); +#endif +#if defined(PLATFORM_WEB) + emscripten_request_pointerlock("#canvas", 1); +#endif + + CORE.Input.Mouse.cursorHidden = true; +} + +// Check if cursor is on the current screen. +bool IsCursorOnScreen(void) +{ + return CORE.Input.Mouse.cursorOnScreen; +} + +// Set background color (framebuffer clear color) +void ClearBackground(Color color) +{ + rlClearColor(color.r, color.g, color.b, color.a); // Set clear color + rlClearScreenBuffers(); // Clear current framebuffers +} + +// Setup canvas (framebuffer) to start drawing +void BeginDrawing(void) +{ + // WARNING: Previously to BeginDrawing() other render textures drawing could happen, + // consequently the measure for update vs draw is not accurate (only the total frame time is accurate) + + CORE.Time.current = GetTime(); // Number of elapsed seconds since InitTimer() + CORE.Time.update = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + rlLoadIdentity(); // Reset current matrix (modelview) + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling + + //rlTranslatef(0.375, 0.375, 0); // HACK to have 2D pixel-perfect drawing on OpenGL 1.1 + // NOTE: Not required with OpenGL 3.3+ +} + +// End canvas drawing and swap buffers (double buffering) +void EndDrawing(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + +#if defined(SUPPORT_MODULE_RSHAPES) && defined(SUPPORT_MOUSE_CURSOR_POINT) + // Draw a small rectangle on mouse position for user reference + if (!CORE.Input.Mouse.cursorHidden) + { + DrawRectangle(CORE.Input.Mouse.currentPosition.x, CORE.Input.Mouse.currentPosition.y, 3, 3, MAROON); // WARNING: Module required: rshapes + rlDrawRenderBatchActive(); // Update and draw internal render batch + } +#endif + +#if defined(SUPPORT_GIF_RECORDING) + // Draw record indicator + if (gifRecording) + { + #define GIF_RECORD_FRAMERATE 10 + gifFrameCounter++; + + // NOTE: We record one gif frame every 10 game frames + if ((gifFrameCounter%GIF_RECORD_FRAMERATE) == 0) + { + // Get image data for the current frame (from backbuffer) + // NOTE: This process is quite slow... :( + unsigned char *screenData = rlReadScreenPixels(CORE.Window.screen.width, CORE.Window.screen.height); + msf_gif_frame(&gifState, screenData, 10, 16, CORE.Window.screen.width*4); + + RL_FREE(screenData); // Free image data + } + + #if defined(SUPPORT_MODULE_RSHAPES) && defined(SUPPORT_MODULE_RTEXT) + if (((gifFrameCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, MAROON); // WARNING: Module required: rshapes + DrawText("GIF RECORDING", 50, CORE.Window.screen.height - 25, 10, RED); // WARNING: Module required: rtext + } + #endif + + rlDrawRenderBatchActive(); // Update and draw internal render batch + } +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) + // Draw record/play indicator + if (eventsRecording) + { + gifFrameCounter++; + + if (((gifFrameCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, MAROON); + DrawText("EVENTS RECORDING", 50, CORE.Window.screen.height - 25, 10, RED); + } + + rlDrawRenderBatchActive(); // Update and draw internal render batch + } + else if (eventsPlaying) + { + gifFrameCounter++; + + if (((gifFrameCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, LIME); + DrawText("EVENTS PLAYING", 50, CORE.Window.screen.height - 25, 10, GREEN); + } + + rlDrawRenderBatchActive(); // Update and draw internal render batch + } +#endif + +#if !defined(SUPPORT_CUSTOM_FRAME_CONTROL) + SwapScreenBuffer(); // Copy back buffer to front buffer (screen) + + // Frame time control system + CORE.Time.current = GetTime(); + CORE.Time.draw = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + CORE.Time.frame = CORE.Time.update + CORE.Time.draw; + + // Wait for some milliseconds... + if (CORE.Time.frame < CORE.Time.target) + { + WaitTime((float)(CORE.Time.target - CORE.Time.frame)*1000.0f); + + CORE.Time.current = GetTime(); + double waitTime = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + CORE.Time.frame += waitTime; // Total frame time: update + draw + wait + } + + PollInputEvents(); // Poll user events (before next frame update) +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) + // Events recording and playing logic + if (eventsRecording) RecordAutomationEvent(CORE.Time.frameCounter); + else if (eventsPlaying) + { + // TODO: When should we play? After/before/replace PollInputEvents()? + if (CORE.Time.frameCounter >= eventCount) eventsPlaying = false; + PlayAutomationEvent(CORE.Time.frameCounter); + } +#endif + + CORE.Time.frameCounter++; +} + +// Initialize 2D mode with custom camera (2D) +void BeginMode2D(Camera2D camera) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlLoadIdentity(); // Reset current matrix (modelview) + + // Apply 2d camera transformation to modelview + rlMultMatrixf(MatrixToFloat(GetCameraMatrix2D(camera))); + + // Apply screen scaling if required + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); +} + +// Ends 2D mode with custom camera +void EndMode2D(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlLoadIdentity(); // Reset current matrix (modelview) + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required +} + +// Initializes 3D mode with custom camera (3D) +void BeginMode3D(Camera3D camera) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlPushMatrix(); // Save previous matrix, which contains the settings for the 2d ortho projection + rlLoadIdentity(); // Reset current matrix (projection) + + float aspect = (float)CORE.Window.currentFbo.width/(float)CORE.Window.currentFbo.height; + + // NOTE: zNear and zFar values are important when computing depth buffer values + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Setup perspective projection + double top = RL_CULL_DISTANCE_NEAR*tan(camera.fovy*0.5*DEG2RAD); + double right = top*aspect; + + rlFrustum(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + // Setup orthographic projection + double top = camera.fovy/2.0; + double right = top*aspect; + + rlOrtho(-right, right, -top,top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) + + // Setup Camera view + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + rlMultMatrixf(MatrixToFloat(matView)); // Multiply modelview matrix by view matrix (camera) + + rlEnableDepthTest(); // Enable DEPTH_TEST for 3D +} + +// Ends 3D mode and returns to default 2D orthographic mode +void EndMode3D(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlPopMatrix(); // Restore previous matrix (projection) from matrix stack + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) + + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required + + rlDisableDepthTest(); // Disable DEPTH_TEST for 2D +} + +// Initializes render texture for drawing +void BeginTextureMode(RenderTexture2D target) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlEnableFramebuffer(target.id); // Enable render target + + // Set viewport to framebuffer size + rlViewport(0, 0, target.texture.width, target.texture.height); + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlLoadIdentity(); // Reset current matrix (projection) + + // Set orthographic projection to current framebuffer size + // NOTE: Configured top-left corner as (0, 0) + rlOrtho(0, target.texture.width, target.texture.height, 0, 0.0f, 1.0f); + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) + + //rlScalef(0.0f, -1.0f, 0.0f); // Flip Y-drawing (?) + + // Setup current width/height for proper aspect ratio + // calculation when using BeginMode3D() + CORE.Window.currentFbo.width = target.texture.width; + CORE.Window.currentFbo.height = target.texture.height; +} + +// Ends drawing to render texture +void EndTextureMode(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlDisableFramebuffer(); // Disable render target (fbo) + + // Set viewport to default framebuffer size + SetupViewport(CORE.Window.render.width, CORE.Window.render.height); + + // Reset current fbo to screen size + CORE.Window.currentFbo.width = CORE.Window.render.width; + CORE.Window.currentFbo.height = CORE.Window.render.height; +} + +// Begin custom shader mode +void BeginShaderMode(Shader shader) +{ + rlSetShader(shader.id, shader.locs); +} + +// End custom shader mode (returns to default shader) +void EndShaderMode(void) +{ + rlSetShader(rlGetShaderIdDefault(), rlGetShaderLocsDefault()); +} + +// Begin blending mode (alpha, additive, multiplied, subtract, custom) +// NOTE: Blend modes supported are enumerated in BlendMode enum +void BeginBlendMode(int mode) +{ + rlSetBlendMode(mode); +} + +// End blending mode (reset to default: alpha blending) +void EndBlendMode(void) +{ + rlSetBlendMode(BLEND_ALPHA); +} + +// Begin scissor mode (define screen area for following drawing) +// NOTE: Scissor rec refers to bottom-left corner, we change it to upper-left +void BeginScissorMode(int x, int y, int width, int height) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlEnableScissorTest(); + +#if defined(__APPLE__) + Vector2 scale = GetWindowScaleDPI(); + rlScissor((int)(x*scale.x), (int)(GetScreenHeight()*scale.y - (((y + height)*scale.y))), (int)(width*scale.x), (int)(height*scale.y)); +#else + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + Vector2 scale = GetWindowScaleDPI(); + rlScissor((int)(x*scale.x), (int)(CORE.Window.currentFbo.height - (y + height)*scale.y), (int)(width*scale.x), (int)(height*scale.y)); + } + else + { + rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height); + } +#endif +} + +// End scissor mode +void EndScissorMode(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + rlDisableScissorTest(); +} + +// Begin VR drawing configuration +void BeginVrStereoMode(VrStereoConfig config) +{ + rlEnableStereoRender(); + + // Set stereo render matrices + rlSetMatrixProjectionStereo(config.projection[0], config.projection[1]); + rlSetMatrixViewOffsetStereo(config.viewOffset[0], config.viewOffset[1]); +} + +// End VR drawing process (and desktop mirror) +void EndVrStereoMode(void) +{ + rlDisableStereoRender(); +} + +// Load VR stereo config for VR simulator device parameters +VrStereoConfig LoadVrStereoConfig(VrDeviceInfo device) +{ + VrStereoConfig config = { 0 }; + + if ((rlGetVersion() == OPENGL_33) || (rlGetVersion() == OPENGL_ES_20)) + { + // Compute aspect ratio + float aspect = ((float)device.hResolution*0.5f)/(float)device.vResolution; + + // Compute lens parameters + float lensShift = (device.hScreenSize*0.25f - device.lensSeparationDistance*0.5f)/device.hScreenSize; + config.leftLensCenter[0] = 0.25f + lensShift; + config.leftLensCenter[1] = 0.5f; + config.rightLensCenter[0] = 0.75f - lensShift; + config.rightLensCenter[1] = 0.5f; + config.leftScreenCenter[0] = 0.25f; + config.leftScreenCenter[1] = 0.5f; + config.rightScreenCenter[0] = 0.75f; + config.rightScreenCenter[1] = 0.5f; + + // Compute distortion scale parameters + // NOTE: To get lens max radius, lensShift must be normalized to [-1..1] + float lensRadius = fabsf(-1.0f - 4.0f*lensShift); + float lensRadiusSq = lensRadius*lensRadius; + float distortionScale = device.lensDistortionValues[0] + + device.lensDistortionValues[1]*lensRadiusSq + + device.lensDistortionValues[2]*lensRadiusSq*lensRadiusSq + + device.lensDistortionValues[3]*lensRadiusSq*lensRadiusSq*lensRadiusSq; + + float normScreenWidth = 0.5f; + float normScreenHeight = 1.0f; + config.scaleIn[0] = 2.0f/normScreenWidth; + config.scaleIn[1] = 2.0f/normScreenHeight/aspect; + config.scale[0] = normScreenWidth*0.5f/distortionScale; + config.scale[1] = normScreenHeight*0.5f*aspect/distortionScale; + + // Fovy is normally computed with: 2*atan2f(device.vScreenSize, 2*device.eyeToScreenDistance) + // ...but with lens distortion it is increased (see Oculus SDK Documentation) + //float fovy = 2.0f*atan2f(device.vScreenSize*0.5f*distortionScale, device.eyeToScreenDistance); // Really need distortionScale? + float fovy = 2.0f*(float)atan2f(device.vScreenSize*0.5f, device.eyeToScreenDistance); + + // Compute camera projection matrices + float projOffset = 4.0f*lensShift; // Scaled to projection space coordinates [-1..1] + Matrix proj = MatrixPerspective(fovy, aspect, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + + config.projection[0] = MatrixMultiply(proj, MatrixTranslate(projOffset, 0.0f, 0.0f)); + config.projection[1] = MatrixMultiply(proj, MatrixTranslate(-projOffset, 0.0f, 0.0f)); + + // Compute camera transformation matrices + // NOTE: Camera movement might seem more natural if we model the head. + // Our axis of rotation is the base of our head, so we might want to add + // some y (base of head to eye level) and -z (center of head to eye protrusion) to the camera positions. + config.viewOffset[0] = MatrixTranslate(-device.interpupillaryDistance*0.5f, 0.075f, 0.045f); + config.viewOffset[1] = MatrixTranslate(device.interpupillaryDistance*0.5f, 0.075f, 0.045f); + + // Compute eyes Viewports + /* + config.eyeViewportRight[0] = 0; + config.eyeViewportRight[1] = 0; + config.eyeViewportRight[2] = device.hResolution/2; + config.eyeViewportRight[3] = device.vResolution; + + config.eyeViewportLeft[0] = device.hResolution/2; + config.eyeViewportLeft[1] = 0; + config.eyeViewportLeft[2] = device.hResolution/2; + config.eyeViewportLeft[3] = device.vResolution; + */ + } + else TRACELOG(LOG_WARNING, "RLGL: VR Simulator not supported on OpenGL 1.1"); + + return config; +} + +// Unload VR stereo config properties +void UnloadVrStereoConfig(VrStereoConfig config) +{ + //... +} + +// Load shader from files and bind default locations +// NOTE: If shader string is NULL, using default vertex/fragment shaders +Shader LoadShader(const char *vsFileName, const char *fsFileName) +{ + Shader shader = { 0 }; + + char *vShaderStr = NULL; + char *fShaderStr = NULL; + + if (vsFileName != NULL) vShaderStr = LoadFileText(vsFileName); + if (fsFileName != NULL) fShaderStr = LoadFileText(fsFileName); + + shader = LoadShaderFromMemory(vShaderStr, fShaderStr); + + UnloadFileText(vShaderStr); + UnloadFileText(fShaderStr); + + return shader; +} + +// Load shader from code strings and bind default locations +RLAPI Shader LoadShaderFromMemory(const char *vsCode, const char *fsCode) +{ + Shader shader = { 0 }; + shader.locs = (int *)RL_CALLOC(RL_MAX_SHADER_LOCATIONS, sizeof(int)); + + // NOTE: All locations must be reseted to -1 (no location) + for (int i = 0; i < RL_MAX_SHADER_LOCATIONS; i++) shader.locs[i] = -1; + + shader.id = rlLoadShaderCode(vsCode, fsCode); + + // After shader loading, we TRY to set default location names + if (shader.id > 0) + { + // Default shader attribute locations have been binded before linking: + // vertex position location = 0 + // vertex texcoord location = 1 + // vertex normal location = 2 + // vertex color location = 3 + // vertex tangent location = 4 + // vertex texcoord2 location = 5 + + // NOTE: If any location is not found, loc point becomes -1 + + // Get handles to GLSL input attibute locations + shader.locs[SHADER_LOC_VERTEX_POSITION] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION); + shader.locs[SHADER_LOC_VERTEX_TEXCOORD01] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD); + shader.locs[SHADER_LOC_VERTEX_TEXCOORD02] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2); + shader.locs[SHADER_LOC_VERTEX_NORMAL] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL); + shader.locs[SHADER_LOC_VERTEX_TANGENT] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT); + shader.locs[SHADER_LOC_VERTEX_COLOR] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR); + + // Get handles to GLSL uniform locations (vertex shader) + shader.locs[SHADER_LOC_MATRIX_MVP] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_MVP); + shader.locs[SHADER_LOC_MATRIX_VIEW] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_VIEW); + shader.locs[SHADER_LOC_MATRIX_PROJECTION] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION); + shader.locs[SHADER_LOC_MATRIX_MODEL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_MODEL); + shader.locs[SHADER_LOC_MATRIX_NORMAL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_NORMAL); + + // Get handles to GLSL uniform locations (fragment shader) + shader.locs[SHADER_LOC_COLOR_DIFFUSE] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_COLOR); + shader.locs[SHADER_LOC_MAP_DIFFUSE] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0); // SHADER_LOC_MAP_ALBEDO + shader.locs[SHADER_LOC_MAP_SPECULAR] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1); // SHADER_LOC_MAP_METALNESS + shader.locs[SHADER_LOC_MAP_NORMAL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2); + } + + return shader; +} + +// Unload shader from GPU memory (VRAM) +void UnloadShader(Shader shader) +{ + if (shader.id != rlGetShaderIdDefault()) + { + rlUnloadShaderProgram(shader.id); + RL_FREE(shader.locs); + } +} + +// Get shader uniform location +int GetShaderLocation(Shader shader, const char *uniformName) +{ + return rlGetLocationUniform(shader.id, uniformName); +} + +// Get shader attribute location +int GetShaderLocationAttrib(Shader shader, const char *attribName) +{ + return rlGetLocationAttrib(shader.id, attribName); +} + +// Set shader uniform value +void SetShaderValue(Shader shader, int locIndex, const void *value, int uniformType) +{ + SetShaderValueV(shader, locIndex, value, uniformType, 1); +} + +// Set shader uniform value vector +void SetShaderValueV(Shader shader, int locIndex, const void *value, int uniformType, int count) +{ + rlEnableShader(shader.id); + rlSetUniform(locIndex, value, uniformType, count); + //rlDisableShader(); // Avoid reseting current shader program, in case other uniforms are set +} + +// Set shader uniform value (matrix 4x4) +void SetShaderValueMatrix(Shader shader, int locIndex, Matrix mat) +{ + rlEnableShader(shader.id); + rlSetUniformMatrix(locIndex, mat); + //rlDisableShader(); +} + +// Set shader uniform value for texture +void SetShaderValueTexture(Shader shader, int locIndex, Texture2D texture) +{ + rlEnableShader(shader.id); + rlSetUniformSampler(locIndex, texture.id); + //rlDisableShader(); +} + +// Get a ray trace from mouse position +Ray GetMouseRay(Vector2 mouse, Camera camera) +{ + Ray ray = { 0 }; + + // Calculate normalized device coordinates + // NOTE: y value is negative + float x = (2.0f*mouse.x)/(float)GetScreenWidth() - 1.0f; + float y = 1.0f - (2.0f*mouse.y)/(float)GetScreenHeight(); + float z = 1.0f; + + // Store values in a vector + Vector3 deviceCoords = { x, y, z }; + + // Calculate view matrix from camera look at + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + + Matrix matProj = MatrixIdentity(); + + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Calculate projection matrix from perspective + matProj = MatrixPerspective(camera.fovy*DEG2RAD, ((double)GetScreenWidth()/(double)GetScreenHeight()), RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + float aspect = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + double top = camera.fovy/2.0; + double right = top*aspect; + + // Calculate projection matrix from orthographic + matProj = MatrixOrtho(-right, right, -top, top, 0.01, 1000.0); + } + + // Unproject far/near points + Vector3 nearPoint = Vector3Unproject((Vector3){ deviceCoords.x, deviceCoords.y, 0.0f }, matProj, matView); + Vector3 farPoint = Vector3Unproject((Vector3){ deviceCoords.x, deviceCoords.y, 1.0f }, matProj, matView); + + // Unproject the mouse cursor in the near plane. + // We need this as the source position because orthographic projects, compared to perspect doesn't have a + // convergence point, meaning that the "eye" of the camera is more like a plane than a point. + Vector3 cameraPlanePointerPos = Vector3Unproject((Vector3){ deviceCoords.x, deviceCoords.y, -1.0f }, matProj, matView); + + // Calculate normalized direction vector + Vector3 direction = Vector3Normalize(Vector3Subtract(farPoint, nearPoint)); + + if (camera.projection == CAMERA_PERSPECTIVE) ray.position = camera.position; + else if (camera.projection == CAMERA_ORTHOGRAPHIC) ray.position = cameraPlanePointerPos; + + // Apply calculated vectors to ray + ray.direction = direction; + + return ray; +} + +// Get transform matrix for camera +Matrix GetCameraMatrix(Camera camera) +{ + return MatrixLookAt(camera.position, camera.target, camera.up); +} + +// Get camera 2d transform matrix +Matrix GetCameraMatrix2D(Camera2D camera) +{ + Matrix matTransform = { 0 }; + // The camera in world-space is set by + // 1. Move it to target + // 2. Rotate by -rotation and scale by (1/zoom) + // When setting higher scale, it's more intuitive for the world to become bigger (= camera become smaller), + // not for the camera getting bigger, hence the invert. Same deal with rotation. + // 3. Move it by (-offset); + // Offset defines target transform relative to screen, but since we're effectively "moving" screen (camera) + // we need to do it into opposite direction (inverse transform) + + // Having camera transform in world-space, inverse of it gives the modelview transform. + // Since (A*B*C)' = C'*B'*A', the modelview is + // 1. Move to offset + // 2. Rotate and Scale + // 3. Move by -target + Matrix matOrigin = MatrixTranslate(-camera.target.x, -camera.target.y, 0.0f); + Matrix matRotation = MatrixRotate((Vector3){ 0.0f, 0.0f, 1.0f }, camera.rotation*DEG2RAD); + Matrix matScale = MatrixScale(camera.zoom, camera.zoom, 1.0f); + Matrix matTranslation = MatrixTranslate(camera.offset.x, camera.offset.y, 0.0f); + + matTransform = MatrixMultiply(MatrixMultiply(matOrigin, MatrixMultiply(matScale, matRotation)), matTranslation); + + return matTransform; +} + +// Get the screen space position from a 3d world space position +Vector2 GetWorldToScreen(Vector3 position, Camera camera) +{ + Vector2 screenPosition = GetWorldToScreenEx(position, camera, GetScreenWidth(), GetScreenHeight()); + + return screenPosition; +} + +// Get size position for a 3d world space position (useful for texture drawing) +Vector2 GetWorldToScreenEx(Vector3 position, Camera camera, int width, int height) +{ + // Calculate projection matrix (from perspective instead of frustum + Matrix matProj = MatrixIdentity(); + + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Calculate projection matrix from perspective + matProj = MatrixPerspective(camera.fovy*DEG2RAD, ((double)width/(double)height), RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + float aspect = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + double top = camera.fovy/2.0; + double right = top*aspect; + + // Calculate projection matrix from orthographic + matProj = MatrixOrtho(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + + // Calculate view matrix from camera look at (and transpose it) + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + + // TODO: Why not use Vector3Transform(Vector3 v, Matrix mat)? + + // Convert world position vector to quaternion + Quaternion worldPos = { position.x, position.y, position.z, 1.0f }; + + // Transform world position to view + worldPos = QuaternionTransform(worldPos, matView); + + // Transform result to projection (clip space position) + worldPos = QuaternionTransform(worldPos, matProj); + + // Calculate normalized device coordinates (inverted y) + Vector3 ndcPos = { worldPos.x/worldPos.w, -worldPos.y/worldPos.w, worldPos.z/worldPos.w }; + + // Calculate 2d screen position vector + Vector2 screenPosition = { (ndcPos.x + 1.0f)/2.0f*(float)width, (ndcPos.y + 1.0f)/2.0f*(float)height }; + + return screenPosition; +} + +// Get the screen space position for a 2d camera world space position +Vector2 GetWorldToScreen2D(Vector2 position, Camera2D camera) +{ + Matrix matCamera = GetCameraMatrix2D(camera); + Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, matCamera); + + return (Vector2){ transform.x, transform.y }; +} + +// Get the world space position for a 2d camera screen space position +Vector2 GetScreenToWorld2D(Vector2 position, Camera2D camera) +{ + Matrix invMatCamera = MatrixInvert(GetCameraMatrix2D(camera)); + Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, invMatCamera); + + return (Vector2){ transform.x, transform.y }; +} + +// Set target FPS (maximum) +void SetTargetFPS(int fps) +{ + if (fps < 1) CORE.Time.target = 0.0; + else CORE.Time.target = 1.0/(double)fps; + + TRACELOG(LOG_INFO, "TIMER: Target time per frame: %02.03f milliseconds", (float)CORE.Time.target*1000); +} + +// Get current FPS +// NOTE: We calculate an average framerate +int GetFPS(void) +{ + int fps = 0; + +#if !defined(SUPPORT_CUSTOM_FRAME_CONTROL) + #define FPS_CAPTURE_FRAMES_COUNT 30 // 30 captures + #define FPS_AVERAGE_TIME_SECONDS 0.5f // 500 millisecondes + #define FPS_STEP (FPS_AVERAGE_TIME_SECONDS/FPS_CAPTURE_FRAMES_COUNT) + + static int index = 0; + static float history[FPS_CAPTURE_FRAMES_COUNT] = { 0 }; + static float average = 0, last = 0; + float fpsFrame = GetFrameTime(); + + if (fpsFrame == 0) return 0; + + if ((GetTime() - last) > FPS_STEP) + { + last = (float)GetTime(); + index = (index + 1)%FPS_CAPTURE_FRAMES_COUNT; + average -= history[index]; + history[index] = fpsFrame/FPS_CAPTURE_FRAMES_COUNT; + average += history[index]; + } + + fps = (int)roundf(1.0f/average); +#endif + + return fps; +} + +// Get time in seconds for last frame drawn (delta time) +float GetFrameTime(void) +{ + return (float)CORE.Time.frame; +} + +// Get elapsed time measure in seconds since InitTimer() +// NOTE: On PLATFORM_DESKTOP InitTimer() is called on InitWindow() +// NOTE: On PLATFORM_DESKTOP, timer is initialized on glfwInit() +double GetTime(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + return glfwGetTime(); // Elapsed time since glfwInit() +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + struct timespec ts = { 0 }; + clock_gettime(CLOCK_MONOTONIC, &ts); + unsigned long long int time = (unsigned long long int)ts.tv_sec*1000000000LLU + (unsigned long long int)ts.tv_nsec; + + return (double)(time - CORE.Time.base)*1e-9; // Elapsed time since InitTimer() +#endif +} + +// Setup window configuration flags (view FLAGS) +// NOTE: This function is expected to be called before window creation, +// because it setups some flags for the window creation process. +// To configure window states after creation, just use SetWindowState() +void SetConfigFlags(unsigned int flags) +{ + // Selected flags are set but not evaluated at this point, + // flag evaluation happens at InitWindow() or SetWindowState() + CORE.Window.flags |= flags; +} + +// NOTE TRACELOG() function is located in [utils.h] + +// Takes a screenshot of current screen (saved a .png) +void TakeScreenshot(const char *fileName) +{ +#if defined(SUPPORT_MODULE_RTEXTURES) + unsigned char *imgData = rlReadScreenPixels(CORE.Window.render.width, CORE.Window.render.height); + Image image = { imgData, CORE.Window.render.width, CORE.Window.render.height, 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 }; + + char path[2048] = { 0 }; + strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, fileName)); + + ExportImage(image, path); // WARNING: Module required: rtextures + RL_FREE(imgData); + +#if defined(PLATFORM_WEB) + // Download file from MEMFS (emscripten memory filesystem) + // saveFileFromMEMFSToDisk() function is defined in raylib/src/shell.html + emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", GetFileName(path), GetFileName(path))); +#endif + + TRACELOG(LOG_INFO, "SYSTEM: [%s] Screenshot taken successfully", path); +#else + TRACELOG(LOG_WARNING,"IMAGE: ExportImage() requires module: rtextures"); +#endif +} + +// Get a random value between min and max (both included) +int GetRandomValue(int min, int max) +{ + if (min > max) + { + int tmp = max; + max = min; + min = tmp; + } + + return (rand()%(abs(max - min) + 1) + min); +} + +// Set the seed for the random number generator +void SetRandomSeed(unsigned int seed) +{ + srand(seed); +} + +// Check if the file exists +bool FileExists(const char *fileName) +{ + bool result = false; + +#if defined(_WIN32) + if (_access(fileName, 0) != -1) result = true; +#else + if (access(fileName, F_OK) != -1) result = true; +#endif + + // NOTE: Alternatively, stat() can be used instead of access() + //#include <sys/stat.h> + //struct stat statbuf; + //if (stat(filename, &statbuf) == 0) result = true; + + return result; +} + +// Check file extension +// NOTE: Extensions checking is not case-sensitive +bool IsFileExtension(const char *fileName, const char *ext) +{ + bool result = false; + const char *fileExt = GetFileExtension(fileName); + + if (fileExt != NULL) + { +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_TEXT_MANIPULATION) + int extCount = 0; + const char **checkExts = TextSplit(ext, ';', &extCount); // WARNING: Module required: rtext + + char fileExtLower[16] = { 0 }; + strcpy(fileExtLower, TextToLower(fileExt)); // WARNING: Module required: rtext + + for (int i = 0; i < extCount; i++) + { + if (strcmp(fileExtLower, TextToLower(checkExts[i])) == 0) + { + result = true; + break; + } + } +#else + if (strcmp(fileExt, ext) == 0) result = true; +#endif + } + + return result; +} + +// Check if a directory path exists +bool DirectoryExists(const char *dirPath) +{ + bool result = false; + DIR *dir = opendir(dirPath); + + if (dir != NULL) + { + result = true; + closedir(dir); + } + + return result; +} + +// Get file length in bytes +// NOTE: GetFileSize() conflicts with windows.h +int GetFileLength(const char *fileName) +{ + int size = 0; + + FILE *file = fopen(fileName, "rb"); + + if (file != NULL) + { + fseek(file, 0L, SEEK_END); + size = (int)ftell(file); + fclose(file); + } + + return size; +} + +// Get pointer to extension for a filename string (includes the dot: .png) +const char *GetFileExtension(const char *fileName) +{ + const char *dot = strrchr(fileName, '.'); + + if (!dot || dot == fileName) return NULL; + + return dot; +} + +// String pointer reverse break: returns right-most occurrence of charset in s +static const char *strprbrk(const char *s, const char *charset) +{ + const char *latestMatch = NULL; + for (; s = strpbrk(s, charset), s != NULL; latestMatch = s++) { } + return latestMatch; +} + +// Get pointer to filename for a path string +const char *GetFileName(const char *filePath) +{ + const char *fileName = NULL; + if (filePath != NULL) fileName = strprbrk(filePath, "\\/"); + + if (!fileName) return filePath; + + return fileName + 1; +} + +// Get filename string without extension (uses static string) +const char *GetFileNameWithoutExt(const char *filePath) +{ + #define MAX_FILENAMEWITHOUTEXT_LENGTH 128 + + static char fileName[MAX_FILENAMEWITHOUTEXT_LENGTH] = { 0 }; + memset(fileName, 0, MAX_FILENAMEWITHOUTEXT_LENGTH); + + if (filePath != NULL) strcpy(fileName, GetFileName(filePath)); // Get filename with extension + + int size = (int)strlen(fileName); // Get size in bytes + + for (int i = 0; (i < size) && (i < MAX_FILENAMEWITHOUTEXT_LENGTH); i++) + { + if (fileName[i] == '.') + { + // NOTE: We break on first '.' found + fileName[i] = '\0'; + break; + } + } + + return fileName; +} + +// Get directory for a given filePath +const char *GetDirectoryPath(const char *filePath) +{ +/* + // NOTE: Directory separator is different in Windows and other platforms, + // fortunately, Windows also support the '/' separator, that's the one should be used + #if defined(_WIN32) + char separator = '\\'; + #else + char separator = '/'; + #endif +*/ + const char *lastSlash = NULL; + static char dirPath[MAX_FILEPATH_LENGTH] = { 0 }; + memset(dirPath, 0, MAX_FILEPATH_LENGTH); + + // In case provided path does not contain a root drive letter (C:\, D:\) nor leading path separator (\, /), + // we add the current directory path to dirPath + if (filePath[1] != ':' && filePath[0] != '\\' && filePath[0] != '/') + { + // For security, we set starting path to current directory, + // obtained path will be concated to this + dirPath[0] = '.'; + dirPath[1] = '/'; + } + + lastSlash = strprbrk(filePath, "\\/"); + if (lastSlash) + { + if (lastSlash == filePath) + { + // The last and only slash is the leading one: path is in a root directory + dirPath[0] = filePath[0]; + dirPath[1] = '\0'; + } + else + { + // NOTE: Be careful, strncpy() is not safe, it does not care about '\0' + memcpy(dirPath + (filePath[1] != ':' && filePath[0] != '\\' && filePath[0] != '/' ? 2 : 0), filePath, strlen(filePath) - (strlen(lastSlash) - 1)); + dirPath[strlen(filePath) - strlen(lastSlash) + (filePath[1] != ':' && filePath[0] != '\\' && filePath[0] != '/' ? 2 : 0)] = '\0'; // Add '\0' manually + } + } + + return dirPath; +} + +// Get previous directory path for a given path +const char *GetPrevDirectoryPath(const char *dirPath) +{ + static char prevDirPath[MAX_FILEPATH_LENGTH] = { 0 }; + memset(prevDirPath, 0, MAX_FILEPATH_LENGTH); + int pathLen = (int)strlen(dirPath); + + if (pathLen <= 3) strcpy(prevDirPath, dirPath); + + for (int i = (pathLen - 1); (i >= 0) && (pathLen > 3); i--) + { + if ((dirPath[i] == '\\') || (dirPath[i] == '/')) + { + // Check for root: "C:\" or "/" + if (((i == 2) && (dirPath[1] ==':')) || (i == 0)) i++; + + strncpy(prevDirPath, dirPath, i); + break; + } + } + + return prevDirPath; +} + +// Get current working directory +const char *GetWorkingDirectory(void) +{ + static char currentDir[MAX_FILEPATH_LENGTH] = { 0 }; + memset(currentDir, 0, MAX_FILEPATH_LENGTH); + + char *path = GETCWD(currentDir, MAX_FILEPATH_LENGTH - 1); + + return path; +} + +const char *GetApplicationDirectory(void) +{ + static char appDir[MAX_FILEPATH_LENGTH] = { 0 }; + memset(appDir, 0, MAX_FILEPATH_LENGTH); + +#if defined(_WIN32) + int len = 0; +#if defined (UNICODE) + unsigned short widePath[MAX_PATH]; + len = GetModuleFileNameW(NULL, widePath, MAX_PATH); + len = WideCharToMultiByte(0, 0, widePath, len, appDir, MAX_PATH, NULL, NULL); +#else + len = GetModuleFileNameA(NULL, appDir, MAX_PATH); +#endif + if (len > 0) + { + for (int i = len; i >= 0; --i) + { + if (appDir[i] == '\\') + { + appDir[i + 1] = '\0'; + break; + } + } + } + else + { + appDir[0] = '.'; + appDir[1] = '\\'; + } + +#elif defined(__linux__) + unsigned int size = sizeof(appDir); + ssize_t len = readlink("/proc/self/exe", appDir, size); + + if (len > 0) + { + for (int i = len; i >= 0; --i) + { + if (appDir[i] == '/') + { + appDir[i + 1] = '\0'; + break; + } + } + } + else + { + appDir[0] = '.'; + appDir[1] = '/'; + } +#elif defined(__APPLE__) + uint32_t size = sizeof(appDir); + + if (_NSGetExecutablePath(appDir, &size) == 0) + { + int len = strlen(appDir); + for (int i = len; i >= 0; --i) + { + if (appDir[i] == '/') + { + appDir[i + 1] = '\0'; + break; + } + } + } + else + { + appDir[0] = '.'; + appDir[1] = '/'; + } +#endif + + return appDir; +} + +// Get filenames in a directory path +// NOTE: Files count is returned by parameters pointer +char **GetDirectoryFiles(const char *dirPath, int *fileCount) +{ + ClearDirectoryFiles(); + + int counter = 0; + struct dirent *entity; + DIR *dir = opendir(dirPath); + + if (dir != NULL) // It's a directory + { + // Count files + while ((entity = readdir(dir)) != NULL) counter++; + + dirFileCount = counter; + *fileCount = dirFileCount; + + // Memory allocation for dirFileCount + dirFilesPath = (char **)RL_MALLOC(dirFileCount*sizeof(char *)); + for (int i = 0; i < dirFileCount; i++) dirFilesPath[i] = (char *)RL_MALLOC(MAX_FILEPATH_LENGTH*sizeof(char)); + + // Reset our position in the directory to the beginning + rewinddir(dir); + + // Read file names + for (int i = 0; (entity = readdir(dir)) != NULL; i++) strcpy(dirFilesPath[i], entity->d_name); + + closedir(dir); + } + else TRACELOG(LOG_WARNING, "FILEIO: Failed to open requested directory"); // Maybe it's a file... + + return dirFilesPath; +} + +// Clear directory files paths buffers +void ClearDirectoryFiles(void) +{ + if (dirFileCount > 0) + { + for (int i = 0; i < dirFileCount; i++) RL_FREE(dirFilesPath[i]); + + RL_FREE(dirFilesPath); + } + + dirFileCount = 0; +} + +// Change working directory, returns true on success +bool ChangeDirectory(const char *dir) +{ + bool result = CHDIR(dir); + + if (result != 0) TRACELOG(LOG_WARNING, "SYSTEM: Failed to change to directory: %s", dir); + + return (result == 0); +} + +// Check if a file has been dropped into window +bool IsFileDropped(void) +{ + if (CORE.Window.dropFileCount > 0) return true; + else return false; +} + +// Get dropped files names +char **GetDroppedFiles(int *count) +{ + *count = CORE.Window.dropFileCount; + return CORE.Window.dropFilesPath; +} + +// Clear dropped files paths buffer +void ClearDroppedFiles(void) +{ + if (CORE.Window.dropFileCount > 0) + { + for (int i = 0; i < CORE.Window.dropFileCount; i++) RL_FREE(CORE.Window.dropFilesPath[i]); + + RL_FREE(CORE.Window.dropFilesPath); + + CORE.Window.dropFileCount = 0; + } +} + +// Get file modification time (last write time) +long GetFileModTime(const char *fileName) +{ + struct stat result = { 0 }; + + if (stat(fileName, &result) == 0) + { + time_t mod = result.st_mtime; + + return (long)mod; + } + + return 0; +} + +// Compress data (DEFLATE algorythm) +unsigned char *CompressData(const unsigned char *data, int dataLength, int *compDataLength) +{ + #define COMPRESSION_QUALITY_DEFLATE 8 + + unsigned char *compData = NULL; + +#if defined(SUPPORT_COMPRESSION_API) + // Compress data and generate a valid DEFLATE stream + struct sdefl sdefl = { 0 }; + int bounds = sdefl_bound(dataLength); + compData = (unsigned char *)RL_CALLOC(bounds, 1); + *compDataLength = sdeflate(&sdefl, compData, data, dataLength, COMPRESSION_QUALITY_DEFLATE); // Compression level 8, same as stbwi + + TraceLog(LOG_INFO, "SYSTEM: Compress data: Original size: %i -> Comp. size: %i", dataLength, *compDataLength); +#endif + + return compData; +} + +// Decompress data (DEFLATE algorythm) +unsigned char *DecompressData(const unsigned char *compData, int compDataLength, int *dataLength) +{ + unsigned char *data = NULL; + +#if defined(SUPPORT_COMPRESSION_API) + // Decompress data from a valid DEFLATE stream + data = RL_CALLOC(MAX_DECOMPRESSION_SIZE*1024*1024, 1); + int length = sinflate(data, MAX_DECOMPRESSION_SIZE, compData, compDataLength); + unsigned char *temp = RL_REALLOC(data, length); + + if (temp != NULL) data = temp; + else TRACELOG(LOG_WARNING, "SYSTEM: Failed to re-allocate required decompression memory"); + + *dataLength = length; + + TraceLog(LOG_INFO, "SYSTEM: Decompress data: Comp. size: %i -> Original size: %i", compDataLength, *dataLength); +#endif + + return data; +} + +// Encode data to Base64 string +char *EncodeDataBase64(const unsigned char *data, int dataLength, int *outputLength) +{ + static const unsigned char base64encodeTable[] = { + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', + 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' + }; + + static const int modTable[] = { 0, 2, 1 }; + + *outputLength = 4*((dataLength + 2)/3); + + char *encodedData = RL_MALLOC(*outputLength); + + if (encodedData == NULL) return NULL; + + for (int i = 0, j = 0; i < dataLength;) + { + unsigned int octetA = (i < dataLength)? (unsigned char)data[i++] : 0; + unsigned int octetB = (i < dataLength)? (unsigned char)data[i++] : 0; + unsigned int octetC = (i < dataLength)? (unsigned char)data[i++] : 0; + + unsigned int triple = (octetA << 0x10) + (octetB << 0x08) + octetC; + + encodedData[j++] = base64encodeTable[(triple >> 3*6) & 0x3F]; + encodedData[j++] = base64encodeTable[(triple >> 2*6) & 0x3F]; + encodedData[j++] = base64encodeTable[(triple >> 1*6) & 0x3F]; + encodedData[j++] = base64encodeTable[(triple >> 0*6) & 0x3F]; + } + + for (int i = 0; i < modTable[dataLength%3]; i++) encodedData[*outputLength - 1 - i] = '='; // Padding character + + return encodedData; +} + +// Decode Base64 string data +unsigned char *DecodeDataBase64(const unsigned char *data, int *outputLength) +{ + static const unsigned char base64decodeTable[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 + }; + + // Get output size of Base64 input data + int outLength = 0; + for (int i = 0; data[4*i] != 0; i++) + { + if (data[4*i + 3] == '=') + { + if (data[4*i + 2] == '=') outLength += 1; + else outLength += 2; + } + else outLength += 3; + } + + // Allocate memory to store decoded Base64 data + unsigned char *decodedData = (unsigned char *)RL_MALLOC(outLength); + + for (int i = 0; i < outLength/3; i++) + { + unsigned char a = base64decodeTable[(int)data[4*i]]; + unsigned char b = base64decodeTable[(int)data[4*i + 1]]; + unsigned char c = base64decodeTable[(int)data[4*i + 2]]; + unsigned char d = base64decodeTable[(int)data[4*i + 3]]; + + decodedData[3*i] = (a << 2) | (b >> 4); + decodedData[3*i + 1] = (b << 4) | (c >> 2); + decodedData[3*i + 2] = (c << 6) | d; + } + + if (outLength%3 == 1) + { + int n = outLength/3; + unsigned char a = base64decodeTable[(int)data[4*n]]; + unsigned char b = base64decodeTable[(int)data[4*n + 1]]; + decodedData[outLength - 1] = (a << 2) | (b >> 4); + } + else if (outLength%3 == 2) + { + int n = outLength/3; + unsigned char a = base64decodeTable[(int)data[4*n]]; + unsigned char b = base64decodeTable[(int)data[4*n + 1]]; + unsigned char c = base64decodeTable[(int)data[4*n + 2]]; + decodedData[outLength - 2] = (a << 2) | (b >> 4); + decodedData[outLength - 1] = (b << 4) | (c >> 2); + } + + *outputLength = outLength; + return decodedData; +} + +// Save integer value to storage file (to defined position) +// NOTE: Storage positions is directly related to file memory layout (4 bytes each integer) +bool SaveStorageValue(unsigned int position, int value) +{ + bool success = false; + +#if defined(SUPPORT_DATA_STORAGE) + char path[512] = { 0 }; + strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, STORAGE_DATA_FILE)); + + unsigned int dataSize = 0; + unsigned int newDataSize = 0; + unsigned char *fileData = LoadFileData(path, &dataSize); + unsigned char *newFileData = NULL; + + if (fileData != NULL) + { + if (dataSize <= (position*sizeof(int))) + { + // Increase data size up to position and store value + newDataSize = (position + 1)*sizeof(int); + newFileData = (unsigned char *)RL_REALLOC(fileData, newDataSize); + + if (newFileData != NULL) + { + // RL_REALLOC succeded + int *dataPtr = (int *)newFileData; + dataPtr[position] = value; + } + else + { + // RL_REALLOC failed + TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to realloc data (%u), position in bytes (%u) bigger than actual file size", path, dataSize, position*sizeof(int)); + + // We store the old size of the file + newFileData = fileData; + newDataSize = dataSize; + } + } + else + { + // Store the old size of the file + newFileData = fileData; + newDataSize = dataSize; + + // Replace value on selected position + int *dataPtr = (int *)newFileData; + dataPtr[position] = value; + } + + success = SaveFileData(path, newFileData, newDataSize); + RL_FREE(newFileData); + + TRACELOG(LOG_INFO, "FILEIO: [%s] Saved storage value: %i", path, value); + } + else + { + TRACELOG(LOG_INFO, "FILEIO: [%s] File created successfully", path); + + dataSize = (position + 1)*sizeof(int); + fileData = (unsigned char *)RL_MALLOC(dataSize); + int *dataPtr = (int *)fileData; + dataPtr[position] = value; + + success = SaveFileData(path, fileData, dataSize); + UnloadFileData(fileData); + + TRACELOG(LOG_INFO, "FILEIO: [%s] Saved storage value: %i", path, value); + } +#endif + + return success; +} + +// Load integer value from storage file (from defined position) +// NOTE: If requested position could not be found, value 0 is returned +int LoadStorageValue(unsigned int position) +{ + int value = 0; + +#if defined(SUPPORT_DATA_STORAGE) + char path[512] = { 0 }; + strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, STORAGE_DATA_FILE)); + + unsigned int dataSize = 0; + unsigned char *fileData = LoadFileData(path, &dataSize); + + if (fileData != NULL) + { + if (dataSize < (position*4)) TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to find storage position: %i", path, position); + else + { + int *dataPtr = (int *)fileData; + value = dataPtr[position]; + } + + UnloadFileData(fileData); + + TRACELOG(LOG_INFO, "FILEIO: [%s] Loaded storage value: %i", path, value); + } +#endif + return value; +} + +// Open URL with default system browser (if available) +// NOTE: This function is only safe to use if you control the URL given. +// A user could craft a malicious string performing another action. +// Only call this function yourself not with user input or make sure to check the string yourself. +// Ref: https://github.com/raysan5/raylib/issues/686 +void OpenURL(const char *url) +{ + // Small security check trying to avoid (partially) malicious code... + // sorry for the inconvenience when you hit this point... + if (strchr(url, '\'') != NULL) + { + TRACELOG(LOG_WARNING, "SYSTEM: Provided URL is not valid"); + } + else + { +#if defined(PLATFORM_DESKTOP) + char *cmd = (char *)RL_CALLOC(strlen(url) + 10, sizeof(char)); + #if defined(_WIN32) + sprintf(cmd, "explorer \"%s\"", url); + #endif + #if defined(__linux__) || defined(__FreeBSD__) + sprintf(cmd, "xdg-open '%s'", url); // Alternatives: firefox, x-www-browser + #endif + #if defined(__APPLE__) + sprintf(cmd, "open '%s'", url); + #endif + int result = system(cmd); + if (result == -1) TRACELOG(LOG_WARNING, "OpenURL() child process could not be created"); + RL_FREE(cmd); +#endif +#if defined(PLATFORM_WEB) + emscripten_run_script(TextFormat("window.open('%s', '_blank')", url)); +#endif + } +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition - Input (Keyboard, Mouse, Gamepad) Functions +//---------------------------------------------------------------------------------- +// Check if a key has been pressed once +bool IsKeyPressed(int key) +{ + bool pressed = false; + + if ((CORE.Input.Keyboard.previousKeyState[key] == 0) && (CORE.Input.Keyboard.currentKeyState[key] == 1)) pressed = true; + + return pressed; +} + +// Check if a key is being pressed (key held down) +bool IsKeyDown(int key) +{ + if (CORE.Input.Keyboard.currentKeyState[key] == 1) return true; + else return false; +} + +// Check if a key has been released once +bool IsKeyReleased(int key) +{ + bool released = false; + + if ((CORE.Input.Keyboard.previousKeyState[key] == 1) && (CORE.Input.Keyboard.currentKeyState[key] == 0)) released = true; + + return released; +} + +// Check if a key is NOT being pressed (key not held down) +bool IsKeyUp(int key) +{ + if (CORE.Input.Keyboard.currentKeyState[key] == 0) return true; + else return false; +} + +// Get the last key pressed +int GetKeyPressed(void) +{ + int value = 0; + + if (CORE.Input.Keyboard.keyPressedQueueCount > 0) + { + // Get character from the queue head + value = CORE.Input.Keyboard.keyPressedQueue[0]; + + // Shift elements 1 step toward the head. + for (int i = 0; i < (CORE.Input.Keyboard.keyPressedQueueCount - 1); i++) + CORE.Input.Keyboard.keyPressedQueue[i] = CORE.Input.Keyboard.keyPressedQueue[i + 1]; + + // Reset last character in the queue + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 0; + CORE.Input.Keyboard.keyPressedQueueCount--; + } + + return value; +} + +// Get the last char pressed +int GetCharPressed(void) +{ + int value = 0; + + if (CORE.Input.Keyboard.charPressedQueueCount > 0) + { + // Get character from the queue head + value = CORE.Input.Keyboard.charPressedQueue[0]; + + // Shift elements 1 step toward the head. + for (int i = 0; i < (CORE.Input.Keyboard.charPressedQueueCount - 1); i++) + CORE.Input.Keyboard.charPressedQueue[i] = CORE.Input.Keyboard.charPressedQueue[i + 1]; + + // Reset last character in the queue + CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = 0; + CORE.Input.Keyboard.charPressedQueueCount--; + } + + return value; +} + +// Set a custom key to exit program +// NOTE: default exitKey is ESCAPE +void SetExitKey(int key) +{ +#if !defined(PLATFORM_ANDROID) + CORE.Input.Keyboard.exitKey = key; +#endif +} + +// NOTE: Gamepad support not implemented in emscripten GLFW3 (PLATFORM_WEB) + +// Check if a gamepad is available +bool IsGamepadAvailable(int gamepad) +{ + bool result = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad]) result = true; + + return result; +} + +// Get gamepad internal name id +const char *GetGamepadName(int gamepad) +{ +#if defined(PLATFORM_DESKTOP) + if (CORE.Input.Gamepad.ready[gamepad]) return glfwGetJoystickName(gamepad); + else return NULL; +#endif +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGNAME(64), &CORE.Input.Gamepad.name[gamepad]); + return CORE.Input.Gamepad.name[gamepad]; +#endif +#if defined(PLATFORM_WEB) + return CORE.Input.Gamepad.name[gamepad]; +#endif + return NULL; +} + +// Get gamepad axis count +int GetGamepadAxisCount(int gamepad) +{ +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + int axisCount = 0; + if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGAXES, &axisCount); + CORE.Input.Gamepad.axisCount = axisCount; +#endif + + return CORE.Input.Gamepad.axisCount; +} + +// Get axis movement vector for a gamepad +float GetGamepadAxisMovement(int gamepad, int axis) +{ + float value = 0; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (axis < MAX_GAMEPAD_AXIS) && + (fabsf(CORE.Input.Gamepad.axisState[gamepad][axis]) > 0.1f)) value = CORE.Input.Gamepad.axisState[gamepad][axis]; // 0.1f = GAMEPAD_AXIS_MINIMUM_DRIFT/DELTA + + return value; +} + +// Check if a gamepad button has been pressed once +bool IsGamepadButtonPressed(int gamepad, int button) +{ + bool pressed = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.previousButtonState[gamepad][button] == 0) && (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 1)) pressed = true; + + return pressed; +} + +// Check if a gamepad button is being pressed +bool IsGamepadButtonDown(int gamepad, int button) +{ + bool result = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 1)) result = true; + + return result; +} + +// Check if a gamepad button has NOT been pressed once +bool IsGamepadButtonReleased(int gamepad, int button) +{ + bool released = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.previousButtonState[gamepad][button] == 1) && (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 0)) released = true; + + return released; +} + +// Check if a gamepad button is NOT being pressed +bool IsGamepadButtonUp(int gamepad, int button) +{ + bool result = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 0)) result = true; + + return result; +} + +// Get the last gamepad button pressed +int GetGamepadButtonPressed(void) +{ + return CORE.Input.Gamepad.lastButtonPressed; +} + +// Set internal gamepad mappings +int SetGamepadMappings(const char *mappings) +{ + int result = 0; + +#if defined(PLATFORM_DESKTOP) + result = glfwUpdateGamepadMappings(mappings); +#endif + + return result; +} + +// Check if a mouse button has been pressed once +bool IsMouseButtonPressed(int button) +{ + bool pressed = false; + + if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) pressed = true; + + // Map touches to mouse buttons checking + if ((CORE.Input.Touch.currentTouchState[button] == 1) && (CORE.Input.Touch.previousTouchState[button] == 0)) pressed = true; + + return pressed; +} + +// Check if a mouse button is being pressed +bool IsMouseButtonDown(int button) +{ + bool down = false; + + if (CORE.Input.Mouse.currentButtonState[button] == 1) down = true; + + // Map touches to mouse buttons checking + if (CORE.Input.Touch.currentTouchState[button] == 1) down = true; + + return down; +} + +// Check if a mouse button has been released once +bool IsMouseButtonReleased(int button) +{ + bool released = false; + + if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) released = true; + + // Map touches to mouse buttons checking + if ((CORE.Input.Touch.currentTouchState[button] == 0) && (CORE.Input.Touch.previousTouchState[button] == 1)) released = true; + + return released; +} + +// Check if a mouse button is NOT being pressed +bool IsMouseButtonUp(int button) +{ + return !IsMouseButtonDown(button); +} + +// Get mouse position X +int GetMouseX(void) +{ +#if defined(PLATFORM_ANDROID) + return (int)CORE.Input.Touch.position[0].x; +#else + return (int)((CORE.Input.Mouse.currentPosition.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x); +#endif +} + +// Get mouse position Y +int GetMouseY(void) +{ +#if defined(PLATFORM_ANDROID) + return (int)CORE.Input.Touch.position[0].y; +#else + return (int)((CORE.Input.Mouse.currentPosition.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y); +#endif +} + +// Get mouse position XY +Vector2 GetMousePosition(void) +{ + Vector2 position = { 0 }; + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) + position = GetTouchPosition(0); +#else + position.x = (CORE.Input.Mouse.currentPosition.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x; + position.y = (CORE.Input.Mouse.currentPosition.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y; +#endif + + return position; +} + +// Get mouse delta between frames +Vector2 GetMouseDelta(void) +{ + Vector2 delta = {0}; + + delta.x = CORE.Input.Mouse.currentPosition.x - CORE.Input.Mouse.previousPosition.x; + delta.y = CORE.Input.Mouse.currentPosition.y - CORE.Input.Mouse.previousPosition.y; + + return delta; +} + +// Set mouse position XY +void SetMousePosition(int x, int y) +{ + CORE.Input.Mouse.currentPosition = (Vector2){ (float)x, (float)y }; +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + // NOTE: emscripten not implemented + glfwSetCursorPos(CORE.Window.handle, CORE.Input.Mouse.currentPosition.x, CORE.Input.Mouse.currentPosition.y); +#endif +} + +// Set mouse offset +// NOTE: Useful when rendering to different size targets +void SetMouseOffset(int offsetX, int offsetY) +{ + CORE.Input.Mouse.offset = (Vector2){ (float)offsetX, (float)offsetY }; +} + +// Set mouse scaling +// NOTE: Useful when rendering to different size targets +void SetMouseScale(float scaleX, float scaleY) +{ + CORE.Input.Mouse.scale = (Vector2){ scaleX, scaleY }; +} + +// Get mouse wheel movement Y +float GetMouseWheelMove(void) +{ +#if defined(PLATFORM_ANDROID) + return 0.0f; +#endif +#if defined(PLATFORM_WEB) + return CORE.Input.Mouse.currentWheelMove/100.0f; +#endif + + return CORE.Input.Mouse.currentWheelMove; +} + +// Set mouse cursor +// NOTE: This is a no-op on platforms other than PLATFORM_DESKTOP +void SetMouseCursor(int cursor) +{ +#if defined(PLATFORM_DESKTOP) + CORE.Input.Mouse.cursor = cursor; + if (cursor == MOUSE_CURSOR_DEFAULT) glfwSetCursor(CORE.Window.handle, NULL); + else + { + // NOTE: We are relating internal GLFW enum values to our MouseCursor enum values + glfwSetCursor(CORE.Window.handle, glfwCreateStandardCursor(0x00036000 + cursor)); + } +#endif +} + +// Get touch position X for touch point 0 (relative to screen size) +int GetTouchX(void) +{ +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) + return (int)CORE.Input.Touch.position[0].x; +#else // PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_DRM + return GetMouseX(); +#endif +} + +// Get touch position Y for touch point 0 (relative to screen size) +int GetTouchY(void) +{ +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) + return (int)CORE.Input.Touch.position[0].y; +#else // PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_DRM + return GetMouseY(); +#endif +} + +// Get touch position XY for a touch point index (relative to screen size) +// TODO: Touch position should be scaled depending on display size and render size +Vector2 GetTouchPosition(int index) +{ + Vector2 position = { -1.0f, -1.0f }; + +#if defined(PLATFORM_DESKTOP) + // TODO: GLFW does not support multi-touch input just yet + // https://www.codeproject.com/Articles/668404/Programming-for-Multi-Touch + // https://docs.microsoft.com/en-us/windows/win32/wintouch/getting-started-with-multi-touch-messages + if (index == 0) position = GetMousePosition(); +#endif +#if defined(PLATFORM_ANDROID) + if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index]; + else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS); + + if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) + { + position.x = position.x*((float)CORE.Window.screen.width/(float)(CORE.Window.display.width - CORE.Window.renderOffset.x)) - CORE.Window.renderOffset.x/2; + position.y = position.y*((float)CORE.Window.screen.height/(float)(CORE.Window.display.height - CORE.Window.renderOffset.y)) - CORE.Window.renderOffset.y/2; + } + else + { + position.x = position.x*((float)CORE.Window.render.width/(float)CORE.Window.display.width) - CORE.Window.renderOffset.x/2; + position.y = position.y*((float)CORE.Window.render.height/(float)CORE.Window.display.height) - CORE.Window.renderOffset.y/2; + } +#endif +#if defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index]; + else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS); +#endif + + return position; +} + +// Get touch point identifier for given index +int GetTouchPointId(int index) +{ + int id = -1; + + if (index < MAX_TOUCH_POINTS) id = CORE.Input.Touch.pointId[index]; + + return id; +} + +// Get number of touch points +int GetTouchPointCount(void) +{ + return CORE.Input.Touch.pointCount; +} + +//---------------------------------------------------------------------------------- +// Module specific Functions Definition +//---------------------------------------------------------------------------------- + +// Initialize display device and framebuffer +// NOTE: width and height represent the screen (framebuffer) desired size, not actual display size +// If width or height are 0, default display size will be used for framebuffer size +// NOTE: returns false in case graphic device could not be created +static bool InitGraphicsDevice(int width, int height) +{ + CORE.Window.screen.width = width; // User desired width + CORE.Window.screen.height = height; // User desired height + CORE.Window.screenScale = MatrixIdentity(); // No draw scaling required by default + + // NOTE: Framebuffer (render area - CORE.Window.render.width, CORE.Window.render.height) could include black bars... + // ...in top-down or left-right to match display aspect ratio (no weird scalings) + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwSetErrorCallback(ErrorCallback); +/* + // TODO: Setup GLFW custom allocators to match raylib ones + const GLFWallocator allocator = { + .allocate = MemAlloc, + .deallocate = MemFree, + .reallocate = MemRealloc, + .user = NULL + }; + + glfwInitAllocator(&allocator); +*/ +#if defined(__APPLE__) + glfwInitHint(GLFW_COCOA_CHDIR_RESOURCES, GLFW_FALSE); +#endif + + if (!glfwInit()) + { + TRACELOG(LOG_WARNING, "GLFW: Failed to initialize GLFW"); + return false; + } + + // NOTE: Getting video modes is not implemented in emscripten GLFW3 version +#if defined(PLATFORM_DESKTOP) + // Find monitor resolution + GLFWmonitor *monitor = glfwGetPrimaryMonitor(); + if (!monitor) + { + TRACELOG(LOG_WARNING, "GLFW: Failed to get primary monitor"); + return false; + } + const GLFWvidmode *mode = glfwGetVideoMode(monitor); + + CORE.Window.display.width = mode->width; + CORE.Window.display.height = mode->height; + + // Set screen width/height to the display width/height if they are 0 + if (CORE.Window.screen.width == 0) CORE.Window.screen.width = CORE.Window.display.width; + if (CORE.Window.screen.height == 0) CORE.Window.screen.height = CORE.Window.display.height; +#endif // PLATFORM_DESKTOP + +#if defined(PLATFORM_WEB) + CORE.Window.display.width = CORE.Window.screen.width; + CORE.Window.display.height = CORE.Window.screen.height; +#endif // PLATFORM_WEB + + glfwDefaultWindowHints(); // Set default windows hints + //glfwWindowHint(GLFW_RED_BITS, 8); // Framebuffer red color component bits + //glfwWindowHint(GLFW_GREEN_BITS, 8); // Framebuffer green color component bits + //glfwWindowHint(GLFW_BLUE_BITS, 8); // Framebuffer blue color component bits + //glfwWindowHint(GLFW_ALPHA_BITS, 8); // Framebuffer alpha color component bits + //glfwWindowHint(GLFW_DEPTH_BITS, 24); // Depthbuffer bits + //glfwWindowHint(GLFW_REFRESH_RATE, 0); // Refresh rate for fullscreen window + //glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API); // OpenGL API to use. Alternative: GLFW_OPENGL_ES_API + //glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers + + // Check window creation flags + if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) CORE.Window.fullscreen = true; + + if ((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0) glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // Visible window + else glfwWindowHint(GLFW_VISIBLE, GLFW_TRUE); // Window initially hidden + + if ((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) > 0) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); // Border and buttons on Window + else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); // Decorated window + + if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) > 0) glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // Resizable window + else glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // Avoid window being resizable + + // Disable FLAG_WINDOW_MINIMIZED, not supported on initialization + if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; + + // Disable FLAG_WINDOW_MAXIMIZED, not supported on initialization + if ((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; + + if ((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) > 0) glfwWindowHint(GLFW_FOCUSED, GLFW_FALSE); + else glfwWindowHint(GLFW_FOCUSED, GLFW_TRUE); + + if ((CORE.Window.flags & FLAG_WINDOW_TOPMOST) > 0) glfwWindowHint(GLFW_FLOATING, GLFW_TRUE); + else glfwWindowHint(GLFW_FLOATING, GLFW_FALSE); + + // NOTE: Some GLFW flags are not supported on HTML5 +#if defined(PLATFORM_DESKTOP) + if ((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) > 0) glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE); // Transparent framebuffer + else glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_FALSE); // Opaque framebuffer + + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + // Resize window content area based on the monitor content scale. + // NOTE: This hint only has an effect on platforms where screen coordinates and pixels always map 1:1 such as Windows and X11. + // On platforms like macOS the resolution of the framebuffer is changed independently of the window size. + glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE); // Scale content area based on the monitor content scale where window is placed on + #if defined(__APPLE__) + glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_TRUE); + #endif + } + else glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_FALSE); +#endif + + if (CORE.Window.flags & FLAG_MSAA_4X_HINT) + { + // NOTE: MSAA is only enabled for main framebuffer, not user-created FBOs + TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4"); + glfwWindowHint(GLFW_SAMPLES, 4); // Tries to enable multisampling x4 (MSAA), default is 0 + } + + // NOTE: When asking for an OpenGL context version, most drivers provide highest supported version + // with forward compatibility to older OpenGL versions. + // For example, if using OpenGL 1.1, driver can provide a 4.3 context forward compatible. + + // Check selection OpenGL version + if (rlGetVersion() == OPENGL_21) + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint) + } + else if (rlGetVersion() == OPENGL_33) + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) + glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Profiles Hint: Only 3.3 and above! + // Values: GLFW_OPENGL_CORE_PROFILE, GLFW_OPENGL_ANY_PROFILE, GLFW_OPENGL_COMPAT_PROFILE +#if defined(__APPLE__) + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE); // OSX Requires fordward compatibility +#else + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); // Fordward Compatibility Hint: Only 3.3 and above! +#endif + //glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Request OpenGL DEBUG context + } + else if (rlGetVersion() == OPENGL_43) + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) + glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); +#if defined(RLGL_ENABLE_OPENGL_DEBUG_CONTEXT) + glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Enable OpenGL Debug Context +#endif + } + else if (rlGetVersion() == OPENGL_ES_20) // Request OpenGL ES 2.0 context + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); +#if defined(PLATFORM_DESKTOP) + glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API); +#else + glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API); +#endif + } + +#if defined(PLATFORM_DESKTOP) + // NOTE: GLFW 3.4+ defers initialization of the Joystick subsystem on the first call to any Joystick related functions. + // Forcing this initialization here avoids doing it on PollInputEvents() called by EndDrawing() after first frame has been just drawn. + // The initialization will still happen and possible delays still occur, but before the window is shown, which is a nicer experience. + // REF: https://github.com/raysan5/raylib/issues/1554 + if (MAX_GAMEPADS > 0) glfwSetJoystickCallback(NULL); +#endif + + if (CORE.Window.fullscreen) + { + // remember center for switchinging from fullscreen to window + CORE.Window.position.x = CORE.Window.display.width/2 - CORE.Window.screen.width/2; + CORE.Window.position.y = CORE.Window.display.height/2 - CORE.Window.screen.height/2; + + if (CORE.Window.position.x < 0) CORE.Window.position.x = 0; + if (CORE.Window.position.y < 0) CORE.Window.position.y = 0; + + // Obtain recommended CORE.Window.display.width/CORE.Window.display.height from a valid videomode for the monitor + int count = 0; + const GLFWvidmode *modes = glfwGetVideoModes(glfwGetPrimaryMonitor(), &count); + + // Get closest video mode to desired CORE.Window.screen.width/CORE.Window.screen.height + for (int i = 0; i < count; i++) + { + if ((unsigned int)modes[i].width >= CORE.Window.screen.width) + { + if ((unsigned int)modes[i].height >= CORE.Window.screen.height) + { + CORE.Window.display.width = modes[i].width; + CORE.Window.display.height = modes[i].height; + break; + } + } + } + +#if defined(PLATFORM_DESKTOP) + // If we are windowed fullscreen, ensures that window does not minimize when focus is lost + if ((CORE.Window.screen.height == CORE.Window.display.height) && (CORE.Window.screen.width == CORE.Window.display.width)) + { + glfwWindowHint(GLFW_AUTO_ICONIFY, 0); + } +#endif + TRACELOG(LOG_WARNING, "SYSTEM: Closest fullscreen videomode: %i x %i", CORE.Window.display.width, CORE.Window.display.height); + + // NOTE: ISSUE: Closest videomode could not match monitor aspect-ratio, for example, + // for a desired screen size of 800x450 (16:9), closest supported videomode is 800x600 (4:3), + // framebuffer is rendered correctly but once displayed on a 16:9 monitor, it gets stretched + // by the sides to fit all monitor space... + + // Try to setup the most appropiate fullscreen framebuffer for the requested screenWidth/screenHeight + // It considers device display resolution mode and setups a framebuffer with black bars if required (render size/offset) + // Modified global variables: CORE.Window.screen.width/CORE.Window.screen.height - CORE.Window.render.width/CORE.Window.render.height - CORE.Window.renderOffset.x/CORE.Window.renderOffset.y - CORE.Window.screenScale + // TODO: It is a quite cumbersome solution to display size vs requested size, it should be reviewed or removed... + // HighDPI monitors are properly considered in a following similar function: SetupViewport() + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); + + CORE.Window.handle = glfwCreateWindow(CORE.Window.display.width, CORE.Window.display.height, (CORE.Window.title != 0)? CORE.Window.title : " ", glfwGetPrimaryMonitor(), NULL); + + // NOTE: Full-screen change, not working properly... + //glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); + } + else + { + // No-fullscreen window creation + CORE.Window.handle = glfwCreateWindow(CORE.Window.screen.width, CORE.Window.screen.height, (CORE.Window.title != 0)? CORE.Window.title : " ", NULL, NULL); + + if (CORE.Window.handle) + { +#if defined(PLATFORM_DESKTOP) + // Center window on screen + int windowPosX = CORE.Window.display.width/2 - CORE.Window.screen.width/2; + int windowPosY = CORE.Window.display.height/2 - CORE.Window.screen.height/2; + + if (windowPosX < 0) windowPosX = 0; + if (windowPosY < 0) windowPosY = 0; + + glfwSetWindowPos(CORE.Window.handle, windowPosX, windowPosY); +#endif + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + } + } + + if (!CORE.Window.handle) + { + glfwTerminate(); + TRACELOG(LOG_WARNING, "GLFW: Failed to initialize Window"); + return false; + } + + // Set window callback events + glfwSetWindowSizeCallback(CORE.Window.handle, WindowSizeCallback); // NOTE: Resizing not allowed by default! +#if !defined(PLATFORM_WEB) + glfwSetWindowMaximizeCallback(CORE.Window.handle, WindowMaximizeCallback); +#endif + glfwSetWindowIconifyCallback(CORE.Window.handle, WindowIconifyCallback); + glfwSetWindowFocusCallback(CORE.Window.handle, WindowFocusCallback); + glfwSetDropCallback(CORE.Window.handle, WindowDropCallback); + // Set input callback events + glfwSetKeyCallback(CORE.Window.handle, KeyCallback); + glfwSetCharCallback(CORE.Window.handle, CharCallback); + glfwSetMouseButtonCallback(CORE.Window.handle, MouseButtonCallback); + glfwSetCursorPosCallback(CORE.Window.handle, MouseCursorPosCallback); // Track mouse position changes + glfwSetScrollCallback(CORE.Window.handle, MouseScrollCallback); + glfwSetCursorEnterCallback(CORE.Window.handle, CursorEnterCallback); + + glfwMakeContextCurrent(CORE.Window.handle); + +#if !defined(PLATFORM_WEB) + glfwSwapInterval(0); // No V-Sync by default +#endif + + // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) + // NOTE: V-Sync can be enabled by graphic driver configuration + if (CORE.Window.flags & FLAG_VSYNC_HINT) + { + // WARNING: It seems to hits a critical render path in Intel HD Graphics + glfwSwapInterval(1); + TRACELOG(LOG_INFO, "DISPLAY: Trying to enable VSYNC"); + } + + int fbWidth = CORE.Window.screen.width; + int fbHeight = CORE.Window.screen.height; + +#if defined(PLATFORM_DESKTOP) + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + // NOTE: On APPLE platforms system should manage window/input scaling and also framebuffer scaling + // Framebuffer scaling should be activated with: glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_TRUE); + #if !defined(__APPLE__) + glfwGetFramebufferSize(CORE.Window.handle, &fbWidth, &fbHeight); + + // Screen scaling matrix is required in case desired screen area is different than display area + CORE.Window.screenScale = MatrixScale((float)fbWidth/CORE.Window.screen.width, (float)fbHeight/CORE.Window.screen.height, 1.0f); + + // Mouse input scaling for the new screen size + SetMouseScale((float)CORE.Window.screen.width/fbWidth, (float)CORE.Window.screen.height/fbHeight); + #endif + } +#endif + + CORE.Window.render.width = fbWidth; + CORE.Window.render.height = fbHeight; + CORE.Window.currentFbo.width = fbWidth; + CORE.Window.currentFbo.height = fbHeight; + + TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); + TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); + TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); + TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); + TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); + +#endif // PLATFORM_DESKTOP || PLATFORM_WEB + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + CORE.Window.fullscreen = true; + CORE.Window.flags |= FLAG_FULLSCREEN_MODE; + +#if defined(PLATFORM_RPI) + bcm_host_init(); + + DISPMANX_ELEMENT_HANDLE_T dispmanElement = { 0 }; + DISPMANX_DISPLAY_HANDLE_T dispmanDisplay = { 0 }; + DISPMANX_UPDATE_HANDLE_T dispmanUpdate = { 0 }; + + VC_RECT_T dstRect = { 0 }; + VC_RECT_T srcRect = { 0 }; +#endif + +#if defined(PLATFORM_DRM) + CORE.Window.fd = -1; + CORE.Window.connector = NULL; + CORE.Window.modeIndex = -1; + CORE.Window.crtc = NULL; + CORE.Window.gbmDevice = NULL; + CORE.Window.gbmSurface = NULL; + CORE.Window.prevBO = NULL; + CORE.Window.prevFB = 0; + +#if defined(DEFAULT_GRAPHIC_DEVICE_DRM) + CORE.Window.fd = open(DEFAULT_GRAPHIC_DEVICE_DRM, O_RDWR); +#else + TRACELOG(LOG_INFO, "DISPLAY: No graphic card set, trying platform-gpu-card"); + CORE.Window.fd = open("/dev/dri/by-path/platform-gpu-card", O_RDWR); // VideoCore VI (Raspberry Pi 4) + + if ((-1 == CORE.Window.fd) || (drmModeGetResources(CORE.Window.fd) == NULL)) + { + TRACELOG(LOG_INFO, "DISPLAY: Failed to open platform-gpu-card, trying card1"); + CORE.Window.fd = open("/dev/dri/card1", O_RDWR); // Other Embedded + } + + if ((-1 == CORE.Window.fd) || (drmModeGetResources(CORE.Window.fd) == NULL)) + { + TRACELOG(LOG_INFO, "DISPLAY: Failed to open graphic card1, trying card0"); + CORE.Window.fd = open("/dev/dri/card0", O_RDWR); // VideoCore IV (Raspberry Pi 1-3) + } +#endif + if (-1 == CORE.Window.fd) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to open graphic card"); + return false; + } + + drmModeRes *res = drmModeGetResources(CORE.Window.fd); + if (!res) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed get DRM resources"); + return false; + } + + TRACELOG(LOG_TRACE, "DISPLAY: Connectors found: %i", res->count_connectors); + for (size_t i = 0; i < res->count_connectors; i++) + { + TRACELOG(LOG_TRACE, "DISPLAY: Connector index %i", i); + drmModeConnector *con = drmModeGetConnector(CORE.Window.fd, res->connectors[i]); + TRACELOG(LOG_TRACE, "DISPLAY: Connector modes detected: %i", con->count_modes); + if ((con->connection == DRM_MODE_CONNECTED) && (con->encoder_id)) + { + TRACELOG(LOG_TRACE, "DISPLAY: DRM mode connected"); + CORE.Window.connector = con; + break; + } + else + { + TRACELOG(LOG_TRACE, "DISPLAY: DRM mode NOT connected (deleting)"); + drmModeFreeConnector(con); + } + } + if (!CORE.Window.connector) + { + TRACELOG(LOG_WARNING, "DISPLAY: No suitable DRM connector found"); + drmModeFreeResources(res); + return false; + } + + drmModeEncoder *enc = drmModeGetEncoder(CORE.Window.fd, CORE.Window.connector->encoder_id); + if (!enc) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get DRM mode encoder"); + drmModeFreeResources(res); + return false; + } + + CORE.Window.crtc = drmModeGetCrtc(CORE.Window.fd, enc->crtc_id); + if (!CORE.Window.crtc) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get DRM mode crtc"); + drmModeFreeEncoder(enc); + drmModeFreeResources(res); + return false; + } + + // If InitWindow should use the current mode find it in the connector's mode list + if ((CORE.Window.screen.width <= 0) || (CORE.Window.screen.height <= 0)) + { + TRACELOG(LOG_TRACE, "DISPLAY: Selecting DRM connector mode for current used mode..."); + + CORE.Window.modeIndex = FindMatchingConnectorMode(CORE.Window.connector, &CORE.Window.crtc->mode); + + if (CORE.Window.modeIndex < 0) + { + TRACELOG(LOG_WARNING, "DISPLAY: No matching DRM connector mode found"); + drmModeFreeEncoder(enc); + drmModeFreeResources(res); + return false; + } + + CORE.Window.screen.width = CORE.Window.display.width; + CORE.Window.screen.height = CORE.Window.display.height; + } + + const bool allowInterlaced = CORE.Window.flags & FLAG_INTERLACED_HINT; + const int fps = (CORE.Time.target > 0) ? (1.0/CORE.Time.target) : 60; + // try to find an exact matching mode + CORE.Window.modeIndex = FindExactConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, allowInterlaced); + // if nothing found, try to find a nearly matching mode + if (CORE.Window.modeIndex < 0) + CORE.Window.modeIndex = FindNearestConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, allowInterlaced); + // if nothing found, try to find an exactly matching mode including interlaced + if (CORE.Window.modeIndex < 0) + CORE.Window.modeIndex = FindExactConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, true); + // if nothing found, try to find a nearly matching mode including interlaced + if (CORE.Window.modeIndex < 0) + CORE.Window.modeIndex = FindNearestConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, true); + // if nothing found, there is no suitable mode + if (CORE.Window.modeIndex < 0) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to find a suitable DRM connector mode"); + drmModeFreeEncoder(enc); + drmModeFreeResources(res); + return false; + } + + CORE.Window.display.width = CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay; + CORE.Window.display.height = CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay; + + TRACELOG(LOG_INFO, "DISPLAY: Selected DRM connector mode %s (%ux%u%c@%u)", CORE.Window.connector->modes[CORE.Window.modeIndex].name, + CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay, CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, + (CORE.Window.connector->modes[CORE.Window.modeIndex].flags & DRM_MODE_FLAG_INTERLACE) ? 'i' : 'p', + CORE.Window.connector->modes[CORE.Window.modeIndex].vrefresh); + + // Use the width and height of the surface for render + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + + drmModeFreeEncoder(enc); + enc = NULL; + + drmModeFreeResources(res); + res = NULL; + + CORE.Window.gbmDevice = gbm_create_device(CORE.Window.fd); + if (!CORE.Window.gbmDevice) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create GBM device"); + return false; + } + + CORE.Window.gbmSurface = gbm_surface_create(CORE.Window.gbmDevice, CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay, + CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); + if (!CORE.Window.gbmSurface) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create GBM surface"); + return false; + } +#endif + + EGLint samples = 0; + EGLint sampleBuffer = 0; + if (CORE.Window.flags & FLAG_MSAA_4X_HINT) + { + samples = 4; + sampleBuffer = 1; + TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4"); + } + + const EGLint framebufferAttribs[] = + { + EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Type of context support -> Required on RPI? +#if defined(PLATFORM_DRM) + EGL_SURFACE_TYPE, EGL_WINDOW_BIT, // Don't use it on Android! +#endif + EGL_RED_SIZE, 8, // RED color bit depth (alternative: 5) + EGL_GREEN_SIZE, 8, // GREEN color bit depth (alternative: 6) + EGL_BLUE_SIZE, 8, // BLUE color bit depth (alternative: 5) +#if defined(PLATFORM_DRM) + EGL_ALPHA_SIZE, 8, // ALPHA bit depth (required for transparent framebuffer) +#endif + //EGL_TRANSPARENT_TYPE, EGL_NONE, // Request transparent framebuffer (EGL_TRANSPARENT_RGB does not work on RPI) + EGL_DEPTH_SIZE, 16, // Depth buffer size (Required to use Depth testing!) + //EGL_STENCIL_SIZE, 8, // Stencil buffer size + EGL_SAMPLE_BUFFERS, sampleBuffer, // Activate MSAA + EGL_SAMPLES, samples, // 4x Antialiasing if activated (Free on MALI GPUs) + EGL_NONE + }; + + const EGLint contextAttribs[] = + { + EGL_CONTEXT_CLIENT_VERSION, 2, + EGL_NONE + }; + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + EGLint numConfigs = 0; + + // Get an EGL device connection +#if defined(PLATFORM_DRM) + CORE.Window.device = eglGetDisplay((EGLNativeDisplayType)CORE.Window.gbmDevice); +#else + CORE.Window.device = eglGetDisplay(EGL_DEFAULT_DISPLAY); +#endif + if (CORE.Window.device == EGL_NO_DISPLAY) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + + // Initialize the EGL device connection + if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) + { + // If all of the calls to eglInitialize returned EGL_FALSE then an error has occurred. + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + +#if defined(PLATFORM_DRM) + if (!eglChooseConfig(CORE.Window.device, NULL, NULL, 0, &numConfigs)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL config count: 0x%x", eglGetError()); + return false; + } + + TRACELOG(LOG_TRACE, "DISPLAY: EGL configs available: %d", numConfigs); + + EGLConfig *configs = RL_CALLOC(numConfigs, sizeof(*configs)); + if (!configs) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get memory for EGL configs"); + return false; + } + + EGLint matchingNumConfigs = 0; + if (!eglChooseConfig(CORE.Window.device, framebufferAttribs, configs, numConfigs, &matchingNumConfigs)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to choose EGL config: 0x%x", eglGetError()); + free(configs); + return false; + } + + TRACELOG(LOG_TRACE, "DISPLAY: EGL matching configs available: %d", matchingNumConfigs); + + // find the EGL config that matches the previously setup GBM format + int found = 0; + for (EGLint i = 0; i < matchingNumConfigs; ++i) + { + EGLint id = 0; + if (!eglGetConfigAttrib(CORE.Window.device, configs[i], EGL_NATIVE_VISUAL_ID, &id)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL config attribute: 0x%x", eglGetError()); + continue; + } + + if (GBM_FORMAT_ARGB8888 == id) + { + TRACELOG(LOG_TRACE, "DISPLAY: Using EGL config: %d", i); + CORE.Window.config = configs[i]; + found = 1; + break; + } + } + + RL_FREE(configs); + + if (!found) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to find a suitable EGL config"); + return false; + } +#else + // Get an appropriate EGL framebuffer configuration + eglChooseConfig(CORE.Window.device, framebufferAttribs, &CORE.Window.config, 1, &numConfigs); +#endif + + // Set rendering API + eglBindAPI(EGL_OPENGL_ES_API); + + // Create an EGL rendering context + CORE.Window.context = eglCreateContext(CORE.Window.device, CORE.Window.config, EGL_NO_CONTEXT, contextAttribs); + if (CORE.Window.context == EGL_NO_CONTEXT) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL context"); + return false; + } +#endif + + // Create an EGL window surface + //--------------------------------------------------------------------------------- +#if defined(PLATFORM_ANDROID) + EGLint displayFormat = 0; + + // EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is guaranteed to be accepted by ANativeWindow_setBuffersGeometry() + // As soon as we picked a EGLConfig, we can safely reconfigure the ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID + eglGetConfigAttrib(CORE.Window.device, CORE.Window.config, EGL_NATIVE_VISUAL_ID, &displayFormat); + + // At this point we need to manage render size vs screen size + // NOTE: This function use and modify global module variables: + // -> CORE.Window.screen.width/CORE.Window.screen.height + // -> CORE.Window.render.width/CORE.Window.render.height + // -> CORE.Window.screenScale + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); + + ANativeWindow_setBuffersGeometry(CORE.Android.app->window, CORE.Window.render.width, CORE.Window.render.height, displayFormat); + //ANativeWindow_setBuffersGeometry(CORE.Android.app->window, 0, 0, displayFormat); // Force use of native display size + + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, CORE.Android.app->window, NULL); +#endif // PLATFORM_ANDROID + +#if defined(PLATFORM_RPI) + graphics_get_display_size(0, &CORE.Window.display.width, &CORE.Window.display.height); + + // Screen size security check + if (CORE.Window.screen.width <= 0) CORE.Window.screen.width = CORE.Window.display.width; + if (CORE.Window.screen.height <= 0) CORE.Window.screen.height = CORE.Window.display.height; + + // At this point we need to manage render size vs screen size + // NOTE: This function use and modify global module variables: + // -> CORE.Window.screen.width/CORE.Window.screen.height + // -> CORE.Window.render.width/CORE.Window.render.height + // -> CORE.Window.screenScale + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); + + dstRect.x = 0; + dstRect.y = 0; + dstRect.width = CORE.Window.display.width; + dstRect.height = CORE.Window.display.height; + + srcRect.x = 0; + srcRect.y = 0; + srcRect.width = CORE.Window.render.width << 16; + srcRect.height = CORE.Window.render.height << 16; + + // NOTE: RPI dispmanx windowing system takes care of source rectangle scaling to destination rectangle by hardware (no cost) + // Take care that renderWidth/renderHeight fit on displayWidth/displayHeight aspect ratio + + VC_DISPMANX_ALPHA_T alpha = { 0 }; + alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS; + //alpha.flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE; // TODO: Allow transparent framebuffer! -> FLAG_WINDOW_TRANSPARENT + alpha.opacity = 255; // Set transparency level for framebuffer, requires EGLAttrib: EGL_TRANSPARENT_TYPE + alpha.mask = 0; + + dispmanDisplay = vc_dispmanx_display_open(0); // LCD + dispmanUpdate = vc_dispmanx_update_start(0); + + dispmanElement = vc_dispmanx_element_add(dispmanUpdate, dispmanDisplay, 0/*layer*/, &dstRect, 0/*src*/, + &srcRect, DISPMANX_PROTECTION_NONE, &alpha, 0/*clamp*/, DISPMANX_NO_ROTATE); + + CORE.Window.handle.element = dispmanElement; + CORE.Window.handle.width = CORE.Window.render.width; + CORE.Window.handle.height = CORE.Window.render.height; + vc_dispmanx_update_submit_sync(dispmanUpdate); + + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, &CORE.Window.handle, NULL); + + const unsigned char *const renderer = glGetString(GL_RENDERER); + if (renderer) TRACELOG(LOG_INFO, "DISPLAY: Renderer name is: %s", renderer); + else TRACELOG(LOG_WARNING, "DISPLAY: Failed to get renderer name"); + //--------------------------------------------------------------------------------- +#endif // PLATFORM_RPI + +#if defined(PLATFORM_DRM) + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, (EGLNativeWindowType)CORE.Window.gbmSurface, NULL); + if (EGL_NO_SURFACE == CORE.Window.surface) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL window surface: 0x%04x", eglGetError()); + return false; + } + + // At this point we need to manage render size vs screen size + // NOTE: This function use and modify global module variables: + // -> CORE.Window.screen.width/CORE.Window.screen.height + // -> CORE.Window.render.width/CORE.Window.render.height + // -> CORE.Window.screenScale + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); +#endif // PLATFORM_DRM + + // There must be at least one frame displayed before the buffers are swapped + //eglSwapInterval(CORE.Window.device, 1); + + if (eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context) == EGL_FALSE) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to attach EGL rendering context to EGL surface"); + return false; + } + else + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.currentFbo.width = CORE.Window.render.width; + CORE.Window.currentFbo.height = CORE.Window.render.height; + + TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); + TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); + TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); + TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); + TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); + } +#endif // PLATFORM_ANDROID || PLATFORM_RPI || PLATFORM_DRM + + // Load OpenGL extensions + // NOTE: GL procedures address loader is required to load extensions +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + rlLoadExtensions(glfwGetProcAddress); +#else + rlLoadExtensions(eglGetProcAddress); +#endif + + // Initialize OpenGL context (states and resources) + // NOTE: CORE.Window.currentFbo.width and CORE.Window.currentFbo.height not used, just stored as globals in rlgl + rlglInit(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height); + + // Setup default viewport + // NOTE: It updated CORE.Window.render.width and CORE.Window.render.height + SetupViewport(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height); + + ClearBackground(RAYWHITE); // Default background color for raylib games :P + +#if defined(PLATFORM_ANDROID) + CORE.Window.ready = true; +#endif + + if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) MinimizeWindow(); + + return true; +} + +// Set viewport for a provided width and height +static void SetupViewport(int width, int height) +{ + CORE.Window.render.width = width; + CORE.Window.render.height = height; + + // Set viewport width and height + // NOTE: We consider render size (scaled) and offset in case black bars are required and + // render area does not match full display area (this situation is only applicable on fullscreen mode) +#if defined(__APPLE__) + float xScale = 1.0f, yScale = 1.0f; + glfwGetWindowContentScale(CORE.Window.handle, &xScale, &yScale); + rlViewport(CORE.Window.renderOffset.x/2*xScale, CORE.Window.renderOffset.y/2*yScale, (CORE.Window.render.width)*xScale, (CORE.Window.render.height)*yScale); +#else + rlViewport(CORE.Window.renderOffset.x/2, CORE.Window.renderOffset.y/2, CORE.Window.render.width, CORE.Window.render.height); +#endif + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlLoadIdentity(); // Reset current matrix (projection) + + // Set orthographic projection to current framebuffer size + // NOTE: Configured top-left corner as (0, 0) + rlOrtho(0, CORE.Window.render.width, CORE.Window.render.height, 0, 0.0f, 1.0f); + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) +} + +// Compute framebuffer size relative to screen size and display size +// NOTE: Global variables CORE.Window.render.width/CORE.Window.render.height and CORE.Window.renderOffset.x/CORE.Window.renderOffset.y can be modified +static void SetupFramebuffer(int width, int height) +{ + // Calculate CORE.Window.render.width and CORE.Window.render.height, we have the display size (input params) and the desired screen size (global var) + if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Downscaling required: Screen size (%ix%i) is bigger than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); + + // Downscaling to fit display with border-bars + float widthRatio = (float)CORE.Window.display.width/(float)CORE.Window.screen.width; + float heightRatio = (float)CORE.Window.display.height/(float)CORE.Window.screen.height; + + if (widthRatio <= heightRatio) + { + CORE.Window.render.width = CORE.Window.display.width; + CORE.Window.render.height = (int)round((float)CORE.Window.screen.height*widthRatio); + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = (CORE.Window.display.height - CORE.Window.render.height); + } + else + { + CORE.Window.render.width = (int)round((float)CORE.Window.screen.width*heightRatio); + CORE.Window.render.height = CORE.Window.display.height; + CORE.Window.renderOffset.x = (CORE.Window.display.width - CORE.Window.render.width); + CORE.Window.renderOffset.y = 0; + } + + // Screen scaling required + float scaleRatio = (float)CORE.Window.render.width/(float)CORE.Window.screen.width; + CORE.Window.screenScale = MatrixScale(scaleRatio, scaleRatio, 1.0f); + + // NOTE: We render to full display resolution! + // We just need to calculate above parameters for downscale matrix and offsets + CORE.Window.render.width = CORE.Window.display.width; + CORE.Window.render.height = CORE.Window.display.height; + + TRACELOG(LOG_WARNING, "DISPLAY: Downscale matrix generated, content will be rendered at (%ix%i)", CORE.Window.render.width, CORE.Window.render.height); + } + else if ((CORE.Window.screen.width < CORE.Window.display.width) || (CORE.Window.screen.height < CORE.Window.display.height)) + { + // Required screen size is smaller than display size + TRACELOG(LOG_INFO, "DISPLAY: Upscaling required: Screen size (%ix%i) smaller than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); + + if ((CORE.Window.screen.width == 0) || (CORE.Window.screen.height == 0)) + { + CORE.Window.screen.width = CORE.Window.display.width; + CORE.Window.screen.height = CORE.Window.display.height; + } + + // Upscaling to fit display with border-bars + float displayRatio = (float)CORE.Window.display.width/(float)CORE.Window.display.height; + float screenRatio = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + + if (displayRatio <= screenRatio) + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = (int)round((float)CORE.Window.screen.width/displayRatio); + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = (CORE.Window.render.height - CORE.Window.screen.height); + } + else + { + CORE.Window.render.width = (int)round((float)CORE.Window.screen.height*displayRatio); + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.renderOffset.x = (CORE.Window.render.width - CORE.Window.screen.width); + CORE.Window.renderOffset.y = 0; + } + } + else + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = 0; + } +} + +// Initialize hi-resolution timer +static void InitTimer(void) +{ +// Setting a higher resolution can improve the accuracy of time-out intervals in wait functions. +// However, it can also reduce overall system performance, because the thread scheduler switches tasks more often. +// High resolutions can also prevent the CPU power management system from entering power-saving modes. +// Setting a higher resolution does not improve the accuracy of the high-resolution performance counter. +#if defined(_WIN32) && defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP) + timeBeginPeriod(1); // Setup high-resolution timer to 1ms (granularity of 1-2 ms) +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + struct timespec now = { 0 }; + + if (clock_gettime(CLOCK_MONOTONIC, &now) == 0) // Success + { + CORE.Time.base = (unsigned long long int)now.tv_sec*1000000000LLU + (unsigned long long int)now.tv_nsec; + } + else TRACELOG(LOG_WARNING, "TIMER: Hi-resolution timer not available"); +#endif + + CORE.Time.previous = GetTime(); // Get time as double +} + +// Wait for some milliseconds (stop program execution) +// NOTE: Sleep() granularity could be around 10 ms, it means, Sleep() could +// take longer than expected... for that reason we use the busy wait loop +// Ref: http://stackoverflow.com/questions/43057578/c-programming-win32-games-sleep-taking-longer-than-expected +// Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timming on Win32! +void WaitTime(float ms) +{ +#if defined(SUPPORT_BUSY_WAIT_LOOP) + double previousTime = GetTime(); + double currentTime = 0.0; + + // Busy wait loop + while ((currentTime - previousTime) < ms/1000.0f) currentTime = GetTime(); +#else + #if defined(SUPPORT_PARTIALBUSY_WAIT_LOOP) + double busyWait = ms*0.05; // NOTE: We are using a busy wait of 5% of the time + ms -= (float)busyWait; + #endif + + // System halt functions + #if defined(_WIN32) + Sleep((unsigned int)ms); + #endif + #if defined(__linux__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) + struct timespec req = { 0 }; + time_t sec = (int)(ms/1000.0f); + ms -= (sec*1000); + req.tv_sec = sec; + req.tv_nsec = ms*1000000L; + + // NOTE: Use nanosleep() on Unix platforms... usleep() it's deprecated. + while (nanosleep(&req, &req) == -1) continue; + #endif + #if defined(__APPLE__) + usleep(ms*1000.0f); + #endif + + #if defined(SUPPORT_PARTIALBUSY_WAIT_LOOP) + double previousTime = GetTime(); + double currentTime = 0.0; + + // Partial busy wait loop (only a fraction of the total wait time) + while ((currentTime - previousTime) < busyWait/1000.0f) currentTime = GetTime(); + #endif +#endif +} + +// Swap back buffer with front buffer (screen drawing) +void SwapScreenBuffer(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwSwapBuffers(CORE.Window.handle); +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + eglSwapBuffers(CORE.Window.device, CORE.Window.surface); + +#if defined(PLATFORM_DRM) + if (!CORE.Window.gbmSurface || (-1 == CORE.Window.fd) || !CORE.Window.connector || !CORE.Window.crtc) + { + TRACELOG(LOG_ERROR, "DISPLAY: DRM initialization failed to swap"); + abort(); + } + + struct gbm_bo *bo = gbm_surface_lock_front_buffer(CORE.Window.gbmSurface); + if (!bo) + { + TRACELOG(LOG_ERROR, "DISPLAY: Failed GBM to lock front buffer"); + abort(); + } + + uint32_t fb = 0; + int result = drmModeAddFB(CORE.Window.fd, CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay, + CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, 24, 32, gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, &fb); + if (0 != result) + { + TRACELOG(LOG_ERROR, "DISPLAY: drmModeAddFB() failed with result: %d", result); + abort(); + } + + result = drmModeSetCrtc(CORE.Window.fd, CORE.Window.crtc->crtc_id, fb, 0, 0, + &CORE.Window.connector->connector_id, 1, &CORE.Window.connector->modes[CORE.Window.modeIndex]); + if (0 != result) + { + TRACELOG(LOG_ERROR, "DISPLAY: drmModeSetCrtc() failed with result: %d", result); + abort(); + } + + if (CORE.Window.prevFB) + { + result = drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB); + if (0 != result) + { + TRACELOG(LOG_ERROR, "DISPLAY: drmModeRmFB() failed with result: %d", result); + abort(); + } + } + CORE.Window.prevFB = fb; + + if (CORE.Window.prevBO) + { + gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO); + } + + CORE.Window.prevBO = bo; +#endif // PLATFORM_DRM +#endif // PLATFORM_ANDROID || PLATFORM_RPI || PLATFORM_DRM +} + +// Register all input events +void PollInputEvents(void) +{ +#if defined(SUPPORT_GESTURES_SYSTEM) + // NOTE: Gestures update must be called every frame to reset gestures correctly + // because ProcessGestureEvent() is just called on an event, not every frame + UpdateGestures(); +#endif + + // Reset keys/chars pressed registered + CORE.Input.Keyboard.keyPressedQueueCount = 0; + CORE.Input.Keyboard.charPressedQueueCount = 0; + +#if !(defined(PLATFORM_RPI) || defined(PLATFORM_DRM)) + // Reset last gamepad button/axis registered state + CORE.Input.Gamepad.lastButtonPressed = -1; + CORE.Input.Gamepad.axisCount = 0; +#endif + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) + // Register previous keys states + for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + PollKeyboardEvents(); + + // Register previous mouse states + CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; + CORE.Input.Mouse.currentWheelMove = 0.0f; + for (int i = 0; i < MAX_MOUSE_BUTTONS; i++) + { + CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; + CORE.Input.Mouse.currentButtonState[i] = CORE.Input.Mouse.currentButtonStateEvdev[i]; + } + + // Register gamepads buttons events + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (CORE.Input.Gamepad.ready[i]) + { + // Register previous gamepad states + for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousButtonState[i][k] = CORE.Input.Gamepad.currentButtonState[i][k]; + } + } +#endif + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + // Keyboard/Mouse input polling (automatically managed by GLFW3 through callback) + + // Register previous keys states + for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + // Register previous mouse states + for (int i = 0; i < MAX_MOUSE_BUTTONS; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; + + // Register previous mouse wheel state + CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; + CORE.Input.Mouse.currentWheelMove = 0.0f; + + // Register previous mouse position + CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition; +#endif + + // Register previous touch states + for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i]; + + // Reset touch positions + // TODO: It resets on PLATFORM_WEB the mouse position and not filled again until a move-event, + // so, if mouse is not moved it returns a (0, 0) position... this behaviour should be reviewed! + //for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.position[i] = (Vector2){ 0, 0 }; + +#if defined(PLATFORM_DESKTOP) + // Check if gamepads are ready + // NOTE: We do it here in case of disconnection + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (glfwJoystickPresent(i)) CORE.Input.Gamepad.ready[i] = true; + else CORE.Input.Gamepad.ready[i] = false; + } + + // Register gamepads buttons events + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (CORE.Input.Gamepad.ready[i]) // Check if gamepad is available + { + // Register previous gamepad states + for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousButtonState[i][k] = CORE.Input.Gamepad.currentButtonState[i][k]; + + // Get current gamepad state + // NOTE: There is no callback available, so we get it manually + // Get remapped buttons + GLFWgamepadstate state = { 0 }; + glfwGetGamepadState(i, &state); // This remapps all gamepads so they have their buttons mapped like an xbox controller + + const unsigned char *buttons = state.buttons; + + for (int k = 0; (buttons != NULL) && (k < GLFW_GAMEPAD_BUTTON_DPAD_LEFT + 1) && (k < MAX_GAMEPAD_BUTTONS); k++) + { + GamepadButton button = -1; + + switch (k) + { + case GLFW_GAMEPAD_BUTTON_Y: button = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; + case GLFW_GAMEPAD_BUTTON_B: button = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; + case GLFW_GAMEPAD_BUTTON_A: button = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; + case GLFW_GAMEPAD_BUTTON_X: button = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; + + case GLFW_GAMEPAD_BUTTON_LEFT_BUMPER: button = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; + case GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER: button = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; + + case GLFW_GAMEPAD_BUTTON_BACK: button = GAMEPAD_BUTTON_MIDDLE_LEFT; break; + case GLFW_GAMEPAD_BUTTON_GUIDE: button = GAMEPAD_BUTTON_MIDDLE; break; + case GLFW_GAMEPAD_BUTTON_START: button = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; + + case GLFW_GAMEPAD_BUTTON_DPAD_UP: button = GAMEPAD_BUTTON_LEFT_FACE_UP; break; + case GLFW_GAMEPAD_BUTTON_DPAD_RIGHT: button = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; + case GLFW_GAMEPAD_BUTTON_DPAD_DOWN: button = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; + case GLFW_GAMEPAD_BUTTON_DPAD_LEFT: button = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; + + case GLFW_GAMEPAD_BUTTON_LEFT_THUMB: button = GAMEPAD_BUTTON_LEFT_THUMB; break; + case GLFW_GAMEPAD_BUTTON_RIGHT_THUMB: button = GAMEPAD_BUTTON_RIGHT_THUMB; break; + default: break; + } + + if (button != -1) // Check for valid button + { + if (buttons[k] == GLFW_PRESS) + { + CORE.Input.Gamepad.currentButtonState[i][button] = 1; + CORE.Input.Gamepad.lastButtonPressed = button; + } + else CORE.Input.Gamepad.currentButtonState[i][button] = 0; + } + } + + // Get current axis state + const float *axes = state.axes; + + for (int k = 0; (axes != NULL) && (k < GLFW_GAMEPAD_AXIS_LAST + 1) && (k < MAX_GAMEPAD_AXIS); k++) + { + CORE.Input.Gamepad.axisState[i][k] = axes[k]; + } + + // Register buttons for 2nd triggers (because GLFW doesn't count these as buttons but rather axis) + CORE.Input.Gamepad.currentButtonState[i][GAMEPAD_BUTTON_LEFT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_LEFT_TRIGGER] > 0.1); + CORE.Input.Gamepad.currentButtonState[i][GAMEPAD_BUTTON_RIGHT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_RIGHT_TRIGGER] > 0.1); + + CORE.Input.Gamepad.axisCount = GLFW_GAMEPAD_AXIS_LAST + 1; + } + } + + CORE.Window.resizedLastFrame = false; + +#if defined(SUPPORT_EVENTS_WAITING) + glfwWaitEvents(); +#else + glfwPollEvents(); // Register keyboard/mouse events (callbacks)... and window events! +#endif +#endif // PLATFORM_DESKTOP + +#if defined(PLATFORM_WEB) + CORE.Window.resizedLastFrame = false; +#endif // PLATFORM_WEB + +// Gamepad support using emscripten API +// NOTE: GLFW3 joystick functionality not available in web +#if defined(PLATFORM_WEB) + // Get number of gamepads connected + int numGamepads = 0; + if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS) numGamepads = emscripten_get_num_gamepads(); + + for (int i = 0; (i < numGamepads) && (i < MAX_GAMEPADS); i++) + { + // Register previous gamepad button states + for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousButtonState[i][k] = CORE.Input.Gamepad.currentButtonState[i][k]; + + EmscriptenGamepadEvent gamepadState; + + int result = emscripten_get_gamepad_status(i, &gamepadState); + + if (result == EMSCRIPTEN_RESULT_SUCCESS) + { + // Register buttons data for every connected gamepad + for (int j = 0; (j < gamepadState.numButtons) && (j < MAX_GAMEPAD_BUTTONS); j++) + { + GamepadButton button = -1; + + // Gamepad Buttons reference: https://www.w3.org/TR/gamepad/#gamepad-interface + switch (j) + { + case 0: button = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; + case 1: button = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; + case 2: button = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; + case 3: button = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; + case 4: button = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; + case 5: button = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; + case 6: button = GAMEPAD_BUTTON_LEFT_TRIGGER_2; break; + case 7: button = GAMEPAD_BUTTON_RIGHT_TRIGGER_2; break; + case 8: button = GAMEPAD_BUTTON_MIDDLE_LEFT; break; + case 9: button = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; + case 10: button = GAMEPAD_BUTTON_LEFT_THUMB; break; + case 11: button = GAMEPAD_BUTTON_RIGHT_THUMB; break; + case 12: button = GAMEPAD_BUTTON_LEFT_FACE_UP; break; + case 13: button = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; + case 14: button = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; + case 15: button = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; + default: break; + } + + if (button != -1) // Check for valid button + { + if (gamepadState.digitalButton[j] == 1) + { + CORE.Input.Gamepad.currentButtonState[i][button] = 1; + CORE.Input.Gamepad.lastButtonPressed = button; + } + else CORE.Input.Gamepad.currentButtonState[i][button] = 0; + } + + //TRACELOGD("INPUT: Gamepad %d, button %d: Digital: %d, Analog: %g", gamepadState.index, j, gamepadState.digitalButton[j], gamepadState.analogButton[j]); + } + + // Register axis data for every connected gamepad + for (int j = 0; (j < gamepadState.numAxes) && (j < MAX_GAMEPAD_AXIS); j++) + { + CORE.Input.Gamepad.axisState[i][j] = gamepadState.axis[j]; + } + + CORE.Input.Gamepad.axisCount = gamepadState.numAxes; + } + } +#endif + +#if defined(PLATFORM_ANDROID) + // Register previous keys states + // NOTE: Android supports up to 260 keys + for (int i = 0; i < 260; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + // Android ALooper_pollAll() variables + int pollResult = 0; + int pollEvents = 0; + + // Poll Events (registered events) + // NOTE: Activity is paused if not enabled (CORE.Android.appEnabled) + while ((pollResult = ALooper_pollAll(CORE.Android.appEnabled? 0 : -1, NULL, &pollEvents, (void**)&CORE.Android.source)) >= 0) + { + // Process this event + if (CORE.Android.source != NULL) CORE.Android.source->process(CORE.Android.app, CORE.Android.source); + + // NOTE: Never close window, native activity is controlled by the system! + if (CORE.Android.app->destroyRequested != 0) + { + //CORE.Window.shouldClose = true; + //ANativeActivity_finish(CORE.Android.app->activity); + } + } +#endif + +#if (defined(PLATFORM_RPI) || defined(PLATFORM_DRM)) && defined(SUPPORT_SSH_KEYBOARD_RPI) + // NOTE: Keyboard reading could be done using input_event(s) or just read from stdin, both methods are used here. + // stdin reading is still used for legacy purposes, it allows keyboard input trough SSH console + + if (!CORE.Input.Keyboard.evtMode) ProcessKeyboard(); + + // NOTE: Mouse input events polling is done asynchronously in another pthread - EventThread() + // NOTE: Gamepad (Joystick) input events polling is done asynchonously in another pthread - GamepadThread() +#endif +} + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) +// GLFW3 Error Callback, runs on GLFW3 error +static void ErrorCallback(int error, const char *description) +{ + TRACELOG(LOG_WARNING, "GLFW: Error: %i Description: %s", error, description); +} + +// GLFW3 WindowSize Callback, runs when window is resizedLastFrame +// NOTE: Window resizing not allowed by default +static void WindowSizeCallback(GLFWwindow *window, int width, int height) +{ + // Reset viewport and projection matrix for new size + SetupViewport(width, height); + + CORE.Window.currentFbo.width = width; + CORE.Window.currentFbo.height = height; + CORE.Window.resizedLastFrame = true; + + if (IsWindowFullscreen()) return; + + // Set current screen size +#if defined(__APPLE__) + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; +#else + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + Vector2 windowScaleDPI = GetWindowScaleDPI(); + + CORE.Window.screen.width = (unsigned int)(width/windowScaleDPI.x); + CORE.Window.screen.height = (unsigned int)(height/windowScaleDPI.y); + } + else + { + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + } +#endif + + // NOTE: Postprocessing texture is not scaled to new size +} + +// GLFW3 WindowIconify Callback, runs when window is minimized/restored +static void WindowIconifyCallback(GLFWwindow *window, int iconified) +{ + if (iconified) CORE.Window.flags |= FLAG_WINDOW_MINIMIZED; // The window was iconified + else CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; // The window was restored +} + +#if !defined(PLATFORM_WEB) +// GLFW3 WindowMaximize Callback, runs when window is maximized/restored +static void WindowMaximizeCallback(GLFWwindow *window, int maximized) +{ + if (maximized) CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; // The window was maximized + else CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; // The window was restored +} +#endif + +// GLFW3 WindowFocus Callback, runs when window get/lose focus +static void WindowFocusCallback(GLFWwindow *window, int focused) +{ + if (focused) CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED; // The window was focused + else CORE.Window.flags |= FLAG_WINDOW_UNFOCUSED; // The window lost focus +} + +// GLFW3 Keyboard Callback, runs on key pressed +static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods) +{ + // WARNING: GLFW could return GLFW_REPEAT, we need to consider it as 1 + // to work properly with our implementation (IsKeyDown/IsKeyUp checks) + if (action == GLFW_RELEASE) CORE.Input.Keyboard.currentKeyState[key] = 0; + else CORE.Input.Keyboard.currentKeyState[key] = 1; + + // Check if there is space available in the key queue + if ((CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) && (action == GLFW_PRESS)) + { + // Add character to the queue + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = key; + CORE.Input.Keyboard.keyPressedQueueCount++; + } + + // Check the exit key to set close window + if ((key == CORE.Input.Keyboard.exitKey) && (action == GLFW_PRESS)) glfwSetWindowShouldClose(CORE.Window.handle, GLFW_TRUE); + +#if defined(SUPPORT_SCREEN_CAPTURE) + if ((key == GLFW_KEY_F12) && (action == GLFW_PRESS)) + { +#if defined(SUPPORT_GIF_RECORDING) + if (mods == GLFW_MOD_CONTROL) + { + if (gifRecording) + { + gifRecording = false; + + MsfGifResult result = msf_gif_end(&gifState); + + SaveFileData(TextFormat("%s/screenrec%03i.gif", CORE.Storage.basePath, screenshotCounter), result.data, (unsigned int)result.dataSize); + msf_gif_free(result); + + #if defined(PLATFORM_WEB) + // Download file from MEMFS (emscripten memory filesystem) + // saveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html + emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", TextFormat("screenrec%03i.gif", screenshotCounter - 1), TextFormat("screenrec%03i.gif", screenshotCounter - 1))); + #endif + + TRACELOG(LOG_INFO, "SYSTEM: Finish animated GIF recording"); + } + else + { + gifRecording = true; + gifFrameCounter = 0; + + msf_gif_begin(&gifState, CORE.Window.screen.width, CORE.Window.screen.height); + screenshotCounter++; + + TRACELOG(LOG_INFO, "SYSTEM: Start animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter)); + } + } + else +#endif // SUPPORT_GIF_RECORDING + { + TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } + } +#endif // SUPPORT_SCREEN_CAPTURE + +#if defined(SUPPORT_EVENTS_AUTOMATION) + if ((key == GLFW_KEY_F11) && (action == GLFW_PRESS)) + { + eventsRecording = !eventsRecording; + + // On finish recording, we export events into a file + if (!eventsRecording) ExportAutomationEvents("eventsrec.rep"); + } + else if ((key == GLFW_KEY_F9) && (action == GLFW_PRESS)) + { + LoadAutomationEvents("eventsrec.rep"); + eventsPlaying = true; + + TRACELOG(LOG_WARNING, "eventsPlaying enabled!"); + } +#endif +} + +// GLFW3 Char Key Callback, runs on key down (gets equivalent unicode char value) +static void CharCallback(GLFWwindow *window, unsigned int key) +{ + //TRACELOG(LOG_DEBUG, "Char Callback: KEY:%i(%c)", key, key); + + // NOTE: Registers any key down considering OS keyboard layout but + // do not detects action events, those should be managed by user... + // Ref: https://github.com/glfw/glfw/issues/668#issuecomment-166794907 + // Ref: https://www.glfw.org/docs/latest/input_guide.html#input_char + + // Check if there is space available in the queue + if (CORE.Input.Keyboard.charPressedQueueCount < MAX_KEY_PRESSED_QUEUE) + { + // Add character to the queue + CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = key; + CORE.Input.Keyboard.charPressedQueueCount++; + } +} + +// GLFW3 Mouse Button Callback, runs on mouse button pressed +static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods) +{ + // WARNING: GLFW could only return GLFW_PRESS (1) or GLFW_RELEASE (0) for now, + // but future releases may add more actions (i.e. GLFW_REPEAT) + CORE.Input.Mouse.currentButtonState[button] = action; + +#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) // PLATFORM_DESKTOP + // Process mouse events as touches to be able to use mouse-gestures + GestureEvent gestureEvent = { 0 }; + + // Register touch actions + if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) gestureEvent.touchAction = TOUCH_ACTION_DOWN; + else if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) gestureEvent.touchAction = TOUCH_ACTION_UP; + + // NOTE: TOUCH_ACTION_MOVE event is registered in MouseCursorPosCallback() + + // Assign a pointer ID + gestureEvent.pointId[0] = 0; + + // Register touch points count + gestureEvent.pointCount = 1; + + // Register touch points position, only one point registered + gestureEvent.position[0] = GetMousePosition(); + + // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height + gestureEvent.position[0].x /= (float)GetScreenWidth(); + gestureEvent.position[0].y /= (float)GetScreenHeight(); + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#endif +} + +// GLFW3 Cursor Position Callback, runs on mouse move +static void MouseCursorPosCallback(GLFWwindow *window, double x, double y) +{ + CORE.Input.Mouse.currentPosition.x = (float)x; + CORE.Input.Mouse.currentPosition.y = (float)y; + CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition; + +#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) // PLATFORM_DESKTOP + // Process mouse events as touches to be able to use mouse-gestures + GestureEvent gestureEvent = { 0 }; + + gestureEvent.touchAction = TOUCH_ACTION_MOVE; + + // Assign a pointer ID + gestureEvent.pointId[0] = 0; + + // Register touch points count + gestureEvent.pointCount = 1; + + // Register touch points position, only one point registered + gestureEvent.position[0] = CORE.Input.Touch.position[0]; + + // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height + gestureEvent.position[0].x /= (float)GetScreenWidth(); + gestureEvent.position[0].y /= (float)GetScreenHeight(); + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#endif +} + +// GLFW3 Srolling Callback, runs on mouse wheel +static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset) +{ + if (xoffset != 0.0) CORE.Input.Mouse.currentWheelMove = (float)xoffset; + else CORE.Input.Mouse.currentWheelMove = (float)yoffset; +} + +// GLFW3 CursorEnter Callback, when cursor enters the window +static void CursorEnterCallback(GLFWwindow *window, int enter) +{ + if (enter == true) CORE.Input.Mouse.cursorOnScreen = true; + else CORE.Input.Mouse.cursorOnScreen = false; +} + +// GLFW3 Window Drop Callback, runs when drop files into window +// NOTE: Paths are stored in dynamic memory for further retrieval +// Everytime new files are dropped, old ones are discarded +static void WindowDropCallback(GLFWwindow *window, int count, const char **paths) +{ + ClearDroppedFiles(); + + CORE.Window.dropFilesPath = (char **)RL_MALLOC(count*sizeof(char *)); + + for (int i = 0; i < count; i++) + { + CORE.Window.dropFilesPath[i] = (char *)RL_MALLOC(MAX_FILEPATH_LENGTH*sizeof(char)); + strcpy(CORE.Window.dropFilesPath[i], paths[i]); + } + + CORE.Window.dropFileCount = count; +} +#endif + +#if defined(PLATFORM_ANDROID) +// ANDROID: Process activity lifecycle commands +static void AndroidCommandCallback(struct android_app *app, int32_t cmd) +{ + switch (cmd) + { + case APP_CMD_START: + { + //rendering = true; + } break; + case APP_CMD_RESUME: break; + case APP_CMD_INIT_WINDOW: + { + if (app->window != NULL) + { + if (CORE.Android.contextRebindRequired) + { + // Reset screen scaling to full display size + EGLint displayFormat = 0; + eglGetConfigAttrib(CORE.Window.device, CORE.Window.config, EGL_NATIVE_VISUAL_ID, &displayFormat); + ANativeWindow_setBuffersGeometry(app->window, CORE.Window.render.width, CORE.Window.render.height, displayFormat); + + // Recreate display surface and re-attach OpenGL context + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, app->window, NULL); + eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context); + + CORE.Android.contextRebindRequired = false; + } + else + { + CORE.Window.display.width = ANativeWindow_getWidth(CORE.Android.app->window); + CORE.Window.display.height = ANativeWindow_getHeight(CORE.Android.app->window); + + // Initialize graphics device (display device and OpenGL context) + InitGraphicsDevice(CORE.Window.screen.width, CORE.Window.screen.height); + + // Initialize hi-res timer + InitTimer(); + + // Initialize random seed + srand((unsigned int)time(NULL)); + + #if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + // Load default font + // WARNING: External function: Module required: rtext + LoadFontDefault(); + Rectangle rec = GetFontDefault().recs[95]; + // NOTE: We setup a 1px padding on char rectangle to avoid pixel bleeding on MSAA filtering + #if defined(SUPPORT_MODULE_RSHAPES) + SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); // WARNING: Module required: rshapes + #endif + #endif + + // TODO: GPU assets reload in case of lost focus (lost context) + // NOTE: This problem has been solved just unbinding and rebinding context from display + /* + if (assetsReloadRequired) + { + for (int i = 0; i < assetCount; i++) + { + // TODO: Unload old asset if required + + // Load texture again to pointed texture + (*textureAsset + i) = LoadTexture(assetPath[i]); + } + } + */ + } + } + } break; + case APP_CMD_GAINED_FOCUS: + { + CORE.Android.appEnabled = true; + //ResumeMusicStream(); + } break; + case APP_CMD_PAUSE: break; + case APP_CMD_LOST_FOCUS: + { + CORE.Android.appEnabled = false; + //PauseMusicStream(); + } break; + case APP_CMD_TERM_WINDOW: + { + // Dettach OpenGL context and destroy display surface + // NOTE 1: Detaching context before destroying display surface avoids losing our resources (textures, shaders, VBOs...) + // NOTE 2: In some cases (too many context loaded), OS could unload context automatically... :( + eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + eglDestroySurface(CORE.Window.device, CORE.Window.surface); + + CORE.Android.contextRebindRequired = true; + } break; + case APP_CMD_SAVE_STATE: break; + case APP_CMD_STOP: break; + case APP_CMD_DESTROY: + { + // TODO: Finish activity? + //ANativeActivity_finish(CORE.Android.app->activity); + } break; + case APP_CMD_CONFIG_CHANGED: + { + //AConfiguration_fromAssetManager(CORE.Android.app->config, CORE.Android.app->activity->assetManager); + //print_cur_config(CORE.Android.app); + + // Check screen orientation here! + } break; + default: break; + } +} + +// ANDROID: Get input events +static int32_t AndroidInputCallback(struct android_app *app, AInputEvent *event) +{ + // If additional inputs are required check: + // https://developer.android.com/ndk/reference/group/input + // https://developer.android.com/training/game-controllers/controller-input + + int type = AInputEvent_getType(event); + int source = AInputEvent_getSource(event); + + if (type == AINPUT_EVENT_TYPE_MOTION) + { + if (((source & AINPUT_SOURCE_JOYSTICK) == AINPUT_SOURCE_JOYSTICK) || + ((source & AINPUT_SOURCE_GAMEPAD) == AINPUT_SOURCE_GAMEPAD)) + { + // Get first touch position + CORE.Input.Touch.position[0].x = AMotionEvent_getX(event, 0); + CORE.Input.Touch.position[0].y = AMotionEvent_getY(event, 0); + + // Get second touch position + CORE.Input.Touch.position[1].x = AMotionEvent_getX(event, 1); + CORE.Input.Touch.position[1].y = AMotionEvent_getY(event, 1); + + int32_t keycode = AKeyEvent_getKeyCode(event); + if (AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN) + { + CORE.Input.Keyboard.currentKeyState[keycode] = 1; // Key down + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else CORE.Input.Keyboard.currentKeyState[keycode] = 0; // Key up + + // Stop processing gamepad buttons + return 1; + } + } + else if (type == AINPUT_EVENT_TYPE_KEY) + { + int32_t keycode = AKeyEvent_getKeyCode(event); + //int32_t AKeyEvent_getMetaState(event); + + // Save current button and its state + // NOTE: Android key action is 0 for down and 1 for up + if (AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN) + { + CORE.Input.Keyboard.currentKeyState[keycode] = 1; // Key down + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else CORE.Input.Keyboard.currentKeyState[keycode] = 0; // Key up + + if (keycode == AKEYCODE_POWER) + { + // Let the OS handle input to avoid app stuck. Behaviour: CMD_PAUSE -> CMD_SAVE_STATE -> CMD_STOP -> CMD_CONFIG_CHANGED -> CMD_LOST_FOCUS + // Resuming Behaviour: CMD_START -> CMD_RESUME -> CMD_CONFIG_CHANGED -> CMD_CONFIG_CHANGED -> CMD_GAINED_FOCUS + // It seems like locking mobile, screen size (CMD_CONFIG_CHANGED) is affected. + // NOTE: AndroidManifest.xml must have <activity android:configChanges="orientation|keyboardHidden|screenSize" > + // Before that change, activity was calling CMD_TERM_WINDOW and CMD_DESTROY when locking mobile, so that was not a normal behaviour + return 0; + } + else if ((keycode == AKEYCODE_BACK) || (keycode == AKEYCODE_MENU)) + { + // Eat BACK_BUTTON and AKEYCODE_MENU, just do nothing... and don't let to be handled by OS! + return 1; + } + else if ((keycode == AKEYCODE_VOLUME_UP) || (keycode == AKEYCODE_VOLUME_DOWN)) + { + // Set default OS behaviour + return 0; + } + + return 0; + } + + // Register touch points count + CORE.Input.Touch.pointCount = AMotionEvent_getPointerCount(event); + + for (int i = 0; (i < CORE.Input.Touch.pointCount) && (i < MAX_TOUCH_POINTS); i++) + { + // Register touch points id + CORE.Input.Touch.pointId[i] = AMotionEvent_getPointerId(event, i); + + // Register touch points position + CORE.Input.Touch.position[i] = (Vector2){ AMotionEvent_getX(event, i), AMotionEvent_getY(event, i) }; + + // Normalize CORE.Input.Touch.position[x] for screenWidth and screenHeight + CORE.Input.Touch.position[i].x /= (float)GetScreenWidth(); + CORE.Input.Touch.position[i].y /= (float)GetScreenHeight(); + } + + int32_t action = AMotionEvent_getAction(event); + unsigned int flags = action & AMOTION_EVENT_ACTION_MASK; + + if (flags == AMOTION_EVENT_ACTION_DOWN || flags == AMOTION_EVENT_ACTION_MOVE) CORE.Input.Touch.currentTouchState[MOUSE_BUTTON_LEFT] = 1; + else if (flags == AMOTION_EVENT_ACTION_UP) CORE.Input.Touch.currentTouchState[MOUSE_BUTTON_LEFT] = 0; + +#if defined(SUPPORT_GESTURES_SYSTEM) // PLATFORM_ANDROID + GestureEvent gestureEvent = { 0 }; + + gestureEvent.pointCount = CORE.Input.Touch.pointCount; + + // Register touch actions + if (flags == AMOTION_EVENT_ACTION_DOWN) gestureEvent.touchAction = TOUCH_ACTION_DOWN; + else if (flags == AMOTION_EVENT_ACTION_UP) gestureEvent.touchAction = TOUCH_ACTION_UP; + else if (flags == AMOTION_EVENT_ACTION_MOVE) gestureEvent.touchAction = TOUCH_ACTION_MOVE; + else if (flags == AMOTION_EVENT_ACTION_CANCEL) gestureEvent.touchAction = TOUCH_ACTION_CANCEL; + + for (int i = 0; (i < gestureEvent.pointCount) && (i < MAX_TOUCH_POINTS); i++) + { + gestureEvent.pointId[i] = CORE.Input.Touch.pointId[i]; + gestureEvent.position[i] = CORE.Input.Touch.position[i]; + } + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#endif + + return 0; +} +#endif + +#if defined(PLATFORM_WEB) +// Register fullscreen change events +static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData) +{ + // TODO. + + return 1; // The event was consumed by the callback handler +} + +// Register window resize event +static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const EmscriptenUiEvent *event, void *userData) +{ + // TODO. + + return 1; // The event was consumed by the callback handler +} + +EM_JS(int, GetCanvasWidth, (), { return canvas.clientWidth; }); +EM_JS(int, GetCanvasHeight, (), { return canvas.clientHeight; }); + +// Register DOM element resize event +static EM_BOOL EmscriptenResizeCallback(int eventType, const EmscriptenUiEvent *event, void *userData) +{ + // Don't resize non-resizeable windows + if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) == 0) return 1; + + // This event is called whenever the window changes sizes, + // so the size of the canvas object is explicitly retrieved below + int width = GetCanvasWidth(); + int height = GetCanvasHeight(); + emscripten_set_canvas_element_size("#canvas",width,height); + + SetupViewport(width, height); // Reset viewport and projection matrix for new size + + CORE.Window.currentFbo.width = width; + CORE.Window.currentFbo.height = height; + CORE.Window.resizedLastFrame = true; + + if (IsWindowFullscreen()) return 1; + + // Set current screen size + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + + // NOTE: Postprocessing texture is not scaled to new size + + return 0; +} + +// Register mouse input events +static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData) +{ + // This is only for registering mouse click events with emscripten and doesn't need to do anything + + return 1; // The event was consumed by the callback handler +} + +// Register connected/disconnected gamepads events +static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData) +{ + /* + TRACELOGD("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"", + eventType != 0? emscripten_event_type_to_string(eventType) : "Gamepad state", + gamepadEvent->timestamp, gamepadEvent->connected, gamepadEvent->index, gamepadEvent->numAxes, gamepadEvent->numButtons, gamepadEvent->id, gamepadEvent->mapping); + + for (int i = 0; i < gamepadEvent->numAxes; ++i) TRACELOGD("Axis %d: %g", i, gamepadEvent->axis[i]); + for (int i = 0; i < gamepadEvent->numButtons; ++i) TRACELOGD("Button %d: Digital: %d, Analog: %g", i, gamepadEvent->digitalButton[i], gamepadEvent->analogButton[i]); + */ + + if ((gamepadEvent->connected) && (gamepadEvent->index < MAX_GAMEPADS)) + { + CORE.Input.Gamepad.ready[gamepadEvent->index] = true; + sprintf(CORE.Input.Gamepad.name[gamepadEvent->index],"%s",gamepadEvent->id); + } + else CORE.Input.Gamepad.ready[gamepadEvent->index] = false; + + return 1; // The event was consumed by the callback handler +} + +// Register touch input events +static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData) +{ + // Register touch points count + CORE.Input.Touch.pointCount = touchEvent->numTouches; + + double canvasWidth = 0.0; + double canvasHeight = 0.0; + // NOTE: emscripten_get_canvas_element_size() returns canvas.width and canvas.height but + // we are looking for actual CSS size: canvas.style.width and canvas.style.height + //EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight); + emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight); + + for (int i = 0; (i < CORE.Input.Touch.pointCount) && (i < MAX_TOUCH_POINTS); i++) + { + // Register touch points id + CORE.Input.Touch.pointId[i] = touchEvent->touches[i].identifier; + + // Register touch points position + CORE.Input.Touch.position[i] = (Vector2){ touchEvent->touches[i].targetX, touchEvent->touches[i].targetY }; + + // Normalize gestureEvent.position[x] for CORE.Window.screen.width and CORE.Window.screen.height + CORE.Input.Touch.position[i].x *= ((float)GetScreenWidth()/(float)canvasWidth); + CORE.Input.Touch.position[i].y *= ((float)GetScreenHeight()/(float)canvasHeight); + + if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) CORE.Input.Touch.currentTouchState[i] = 1; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) CORE.Input.Touch.currentTouchState[i] = 0; + } + +#if defined(SUPPORT_GESTURES_SYSTEM) // PLATFORM_WEB + GestureEvent gestureEvent = { 0 }; + + gestureEvent.pointCount = CORE.Input.Touch.pointCount; + + // Register touch actions + if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) gestureEvent.touchAction = TOUCH_ACTION_DOWN; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) gestureEvent.touchAction = TOUCH_ACTION_UP; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) gestureEvent.touchAction = TOUCH_ACTION_MOVE; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHCANCEL) gestureEvent.touchAction = TOUCH_ACTION_CANCEL; + + for (int i = 0; (i < gestureEvent.pointCount) && (i < MAX_TOUCH_POINTS); i++) + { + gestureEvent.pointId[i] = CORE.Input.Touch.pointId[i]; + gestureEvent.position[i] = CORE.Input.Touch.position[i]; + } + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#endif + + return 1; // The event was consumed by the callback handler +} +#endif + +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) +// Initialize Keyboard system (using standard input) +static void InitKeyboard(void) +{ + // NOTE: We read directly from Standard Input (stdin) - STDIN_FILENO file descriptor, + // Reading directly from stdin will give chars already key-mapped by kernel to ASCII or UNICODE + + // Save terminal keyboard settings + tcgetattr(STDIN_FILENO, &CORE.Input.Keyboard.defaultSettings); + + // Reconfigure terminal with new settings + struct termios keyboardNewSettings = { 0 }; + keyboardNewSettings = CORE.Input.Keyboard.defaultSettings; + + // New terminal settings for keyboard: turn off buffering (non-canonical mode), echo and key processing + // NOTE: ISIG controls if ^C and ^Z generate break signals or not + keyboardNewSettings.c_lflag &= ~(ICANON | ECHO | ISIG); + //keyboardNewSettings.c_iflag &= ~(ISTRIP | INLCR | ICRNL | IGNCR | IXON | IXOFF); + keyboardNewSettings.c_cc[VMIN] = 1; + keyboardNewSettings.c_cc[VTIME] = 0; + + // Set new keyboard settings (change occurs immediately) + tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); + + // Save old keyboard mode to restore it at the end + CORE.Input.Keyboard.defaultFileFlags = fcntl(STDIN_FILENO, F_GETFL, 0); // F_GETFL: Get the file access mode and the file status flags + fcntl(STDIN_FILENO, F_SETFL, CORE.Input.Keyboard.defaultFileFlags | O_NONBLOCK); // F_SETFL: Set the file status flags to the value specified + + // NOTE: If ioctl() returns -1, it means the call failed for some reason (error code set in errno) + int result = ioctl(STDIN_FILENO, KDGKBMODE, &CORE.Input.Keyboard.defaultMode); + + // In case of failure, it could mean a remote keyboard is used (SSH) + if (result < 0) TRACELOG(LOG_WARNING, "RPI: Failed to change keyboard mode, an SSH keyboard is probably used"); + else + { + // Reconfigure keyboard mode to get: + // - scancodes (K_RAW) + // - keycodes (K_MEDIUMRAW) + // - ASCII chars (K_XLATE) + // - UNICODE chars (K_UNICODE) + ioctl(STDIN_FILENO, KDSKBMODE, K_XLATE); // ASCII chars + } + + // Register keyboard restore when program finishes + atexit(RestoreKeyboard); +} + +// Restore default keyboard input +static void RestoreKeyboard(void) +{ + // Reset to default keyboard settings + tcsetattr(STDIN_FILENO, TCSANOW, &CORE.Input.Keyboard.defaultSettings); + + // Reconfigure keyboard to default mode + fcntl(STDIN_FILENO, F_SETFL, CORE.Input.Keyboard.defaultFileFlags); + ioctl(STDIN_FILENO, KDSKBMODE, CORE.Input.Keyboard.defaultMode); +} + +#if defined(SUPPORT_SSH_KEYBOARD_RPI) +// Process keyboard inputs +static void ProcessKeyboard(void) +{ + #define MAX_KEYBUFFER_SIZE 32 // Max size in bytes to read + + // Keyboard input polling (fill keys[256] array with status) + int bufferByteCount = 0; // Bytes available on the buffer + char keysBuffer[MAX_KEYBUFFER_SIZE] = { 0 }; // Max keys to be read at a time + + // Read availables keycodes from stdin + bufferByteCount = read(STDIN_FILENO, keysBuffer, MAX_KEYBUFFER_SIZE); // POSIX system call + + // Reset pressed keys array (it will be filled below) + for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) CORE.Input.Keyboard.currentKeyState[i] = 0; + + // Fill all read bytes (looking for keys) + for (int i = 0; i < bufferByteCount; i++) + { + // NOTE: If (key == 0x1b), depending on next key, it could be a special keymap code! + // Up -> 1b 5b 41 / Left -> 1b 5b 44 / Right -> 1b 5b 43 / Down -> 1b 5b 42 + if (keysBuffer[i] == 0x1b) + { + // Check if ESCAPE key has been pressed to stop program + if (bufferByteCount == 1) CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] = 1; + else + { + if (keysBuffer[i + 1] == 0x5b) // Special function key + { + if ((keysBuffer[i + 2] == 0x5b) || (keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) + { + // Process special function keys (F1 - F12) + switch (keysBuffer[i + 3]) + { + case 0x41: CORE.Input.Keyboard.currentKeyState[290] = 1; break; // raylib KEY_F1 + case 0x42: CORE.Input.Keyboard.currentKeyState[291] = 1; break; // raylib KEY_F2 + case 0x43: CORE.Input.Keyboard.currentKeyState[292] = 1; break; // raylib KEY_F3 + case 0x44: CORE.Input.Keyboard.currentKeyState[293] = 1; break; // raylib KEY_F4 + case 0x45: CORE.Input.Keyboard.currentKeyState[294] = 1; break; // raylib KEY_F5 + case 0x37: CORE.Input.Keyboard.currentKeyState[295] = 1; break; // raylib KEY_F6 + case 0x38: CORE.Input.Keyboard.currentKeyState[296] = 1; break; // raylib KEY_F7 + case 0x39: CORE.Input.Keyboard.currentKeyState[297] = 1; break; // raylib KEY_F8 + case 0x30: CORE.Input.Keyboard.currentKeyState[298] = 1; break; // raylib KEY_F9 + case 0x31: CORE.Input.Keyboard.currentKeyState[299] = 1; break; // raylib KEY_F10 + case 0x33: CORE.Input.Keyboard.currentKeyState[300] = 1; break; // raylib KEY_F11 + case 0x34: CORE.Input.Keyboard.currentKeyState[301] = 1; break; // raylib KEY_F12 + default: break; + } + + if (keysBuffer[i + 2] == 0x5b) i += 4; + else if ((keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) i += 5; + } + else + { + switch (keysBuffer[i + 2]) + { + case 0x41: CORE.Input.Keyboard.currentKeyState[265] = 1; break; // raylib KEY_UP + case 0x42: CORE.Input.Keyboard.currentKeyState[264] = 1; break; // raylib KEY_DOWN + case 0x43: CORE.Input.Keyboard.currentKeyState[262] = 1; break; // raylib KEY_RIGHT + case 0x44: CORE.Input.Keyboard.currentKeyState[263] = 1; break; // raylib KEY_LEFT + default: break; + } + + i += 3; // Jump to next key + } + + // NOTE: Some keys are not directly keymapped (CTRL, ALT, SHIFT) + } + } + } + else if (keysBuffer[i] == 0x0a) // raylib KEY_ENTER (don't mix with <linux/input.h> KEY_*) + { + CORE.Input.Keyboard.currentKeyState[257] = 1; + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else if (keysBuffer[i] == 0x7f) // raylib KEY_BACKSPACE + { + CORE.Input.Keyboard.currentKeyState[259] = 1; + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else + { + // Translate lowercase a-z letters to A-Z + if ((keysBuffer[i] >= 97) && (keysBuffer[i] <= 122)) + { + CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i] - 32] = 1; + } + else CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i]] = 1; + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keysBuffer[i]; // Add keys pressed into queue + CORE.Input.Keyboard.keyPressedQueueCount++; + } + } + + // Check exit key (same functionality as GLFW3 KeyCallback()) + if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; + +#if defined(SUPPORT_SCREEN_CAPTURE) + // Check screen capture key (raylib key: KEY_F12) + if (CORE.Input.Keyboard.currentKeyState[301] == 1) + { + TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } +#endif +} +#endif // SUPPORT_SSH_KEYBOARD_RPI + +// Initialise user input from evdev(/dev/input/event<N>) this means mouse, keyboard or gamepad devices +static void InitEvdevInput(void) +{ + char path[MAX_FILEPATH_LENGTH] = { 0 }; + DIR *directory = NULL; + struct dirent *entity = NULL; + + // Initialise keyboard file descriptor + CORE.Input.Keyboard.fd = -1; + + // Reset variables + for (int i = 0; i < MAX_TOUCH_POINTS; ++i) + { + CORE.Input.Touch.position[i].x = -1; + CORE.Input.Touch.position[i].y = -1; + } + + // Reset keyboard key state + for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) CORE.Input.Keyboard.currentKeyState[i] = 0; + + // Open the linux directory of "/dev/input" + directory = opendir(DEFAULT_EVDEV_PATH); + + if (directory) + { + while ((entity = readdir(directory)) != NULL) + { + if (strncmp("event", entity->d_name, strlen("event")) == 0) // Search for devices named "event*" + { + sprintf(path, "%s%s", DEFAULT_EVDEV_PATH, entity->d_name); + ConfigureEvdevDevice(path); // Configure the device if appropriate + } + } + + closedir(directory); + } + else TRACELOG(LOG_WARNING, "RPI: Failed to open linux event directory: %s", DEFAULT_EVDEV_PATH); +} + +// Identifies a input device and configures it for use if appropriate +static void ConfigureEvdevDevice(char *device) +{ + #define BITS_PER_LONG (8*sizeof(long)) + #define NBITS(x) ((((x) - 1)/BITS_PER_LONG) + 1) + #define OFF(x) ((x)%BITS_PER_LONG) + #define BIT(x) (1UL<<OFF(x)) + #define LONG(x) ((x)/BITS_PER_LONG) + #define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1) + + struct input_absinfo absinfo = { 0 }; + unsigned long evBits[NBITS(EV_MAX)] = { 0 }; + unsigned long absBits[NBITS(ABS_MAX)] = { 0 }; + unsigned long relBits[NBITS(REL_MAX)] = { 0 }; + unsigned long keyBits[NBITS(KEY_MAX)] = { 0 }; + bool hasAbs = false; + bool hasRel = false; + bool hasAbsMulti = false; + int freeWorkerId = -1; + int fd = -1; + + InputEventWorker *worker = NULL; + + // Open the device and allocate worker + //------------------------------------------------------------------------------------------------------- + // Find a free spot in the workers array + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].threadId == 0) + { + freeWorkerId = i; + break; + } + } + + // Select the free worker from array + if (freeWorkerId >= 0) + { + worker = &(CORE.Input.eventWorker[freeWorkerId]); // Grab a pointer to the worker + memset(worker, 0, sizeof(InputEventWorker)); // Clear the worker + } + else + { + TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread for %s, out of worker slots", device); + return; + } + + // Open the device + fd = open(device, O_RDONLY | O_NONBLOCK); + if (fd < 0) + { + TRACELOG(LOG_WARNING, "RPI: Failed to open input device %s", device); + return; + } + worker->fd = fd; + + // Grab number on the end of the devices name "event<N>" + int devNum = 0; + char *ptrDevName = strrchr(device, 't'); + worker->eventNum = -1; + + if (ptrDevName != NULL) + { + if (sscanf(ptrDevName, "t%d", &devNum) == 1) worker->eventNum = devNum; + } + + // At this point we have a connection to the device, but we don't yet know what the device is. + // It could be many things, even as simple as a power button... + //------------------------------------------------------------------------------------------------------- + + // Identify the device + //------------------------------------------------------------------------------------------------------- + ioctl(fd, EVIOCGBIT(0, sizeof(evBits)), evBits); // Read a bitfield of the available device properties + + // Check for absolute input devices + if (TEST_BIT(evBits, EV_ABS)) + { + ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absBits)), absBits); + + // Check for absolute movement support (usualy touchscreens, but also joysticks) + if (TEST_BIT(absBits, ABS_X) && TEST_BIT(absBits, ABS_Y)) + { + hasAbs = true; + + // Get the scaling values + ioctl(fd, EVIOCGABS(ABS_X), &absinfo); + worker->absRange.x = absinfo.minimum; + worker->absRange.width = absinfo.maximum - absinfo.minimum; + ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); + worker->absRange.y = absinfo.minimum; + worker->absRange.height = absinfo.maximum - absinfo.minimum; + } + + // Check for multiple absolute movement support (usualy multitouch touchscreens) + if (TEST_BIT(absBits, ABS_MT_POSITION_X) && TEST_BIT(absBits, ABS_MT_POSITION_Y)) + { + hasAbsMulti = true; + + // Get the scaling values + ioctl(fd, EVIOCGABS(ABS_X), &absinfo); + worker->absRange.x = absinfo.minimum; + worker->absRange.width = absinfo.maximum - absinfo.minimum; + ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); + worker->absRange.y = absinfo.minimum; + worker->absRange.height = absinfo.maximum - absinfo.minimum; + } + } + + // Check for relative movement support (usualy mouse) + if (TEST_BIT(evBits, EV_REL)) + { + ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relBits)), relBits); + + if (TEST_BIT(relBits, REL_X) && TEST_BIT(relBits, REL_Y)) hasRel = true; + } + + // Check for button support to determine the device type(usualy on all input devices) + if (TEST_BIT(evBits, EV_KEY)) + { + ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keyBits)), keyBits); + + if (hasAbs || hasAbsMulti) + { + if (TEST_BIT(keyBits, BTN_TOUCH)) worker->isTouch = true; // This is a touchscreen + if (TEST_BIT(keyBits, BTN_TOOL_FINGER)) worker->isTouch = true; // This is a drawing tablet + if (TEST_BIT(keyBits, BTN_TOOL_PEN)) worker->isTouch = true; // This is a drawing tablet + if (TEST_BIT(keyBits, BTN_STYLUS)) worker->isTouch = true; // This is a drawing tablet + if (worker->isTouch || hasAbsMulti) worker->isMultitouch = true; // This is a multitouch capable device + } + + if (hasRel) + { + if (TEST_BIT(keyBits, BTN_LEFT)) worker->isMouse = true; // This is a mouse + if (TEST_BIT(keyBits, BTN_RIGHT)) worker->isMouse = true; // This is a mouse + } + + if (TEST_BIT(keyBits, BTN_A)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_TRIGGER)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_START)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad + + if (TEST_BIT(keyBits, KEY_SPACE)) worker->isKeyboard = true; // This is a keyboard + } + //------------------------------------------------------------------------------------------------------- + + // Decide what to do with the device + //------------------------------------------------------------------------------------------------------- + if (worker->isKeyboard && CORE.Input.Keyboard.fd == -1) + { + // Use the first keyboard encountered. This assumes that a device that says it's a keyboard is just a + // keyboard. The keyboard is polled synchronously, whereas other input devices are polled in separate + // threads so that they don't drop events when the frame rate is slow. + TRACELOG(LOG_INFO, "RPI: Opening keyboard device: %s", device); + CORE.Input.Keyboard.fd = worker->fd; + } + else if (worker->isTouch || worker->isMouse) + { + // Looks like an interesting device + TRACELOG(LOG_INFO, "RPI: Opening input device: %s (%s%s%s%s)", device, + worker->isMouse? "mouse " : "", + worker->isMultitouch? "multitouch " : "", + worker->isTouch? "touchscreen " : "", + worker->isGamepad? "gamepad " : ""); + + // Create a thread for this device + int error = pthread_create(&worker->threadId, NULL, &EventThread, (void *)worker); + if (error != 0) + { + TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread: %s (error: %d)", device, error); + worker->threadId = 0; + close(fd); + } + +#if defined(USE_LAST_TOUCH_DEVICE) + // Find touchscreen with the highest index + int maxTouchNumber = -1; + + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum > maxTouchNumber)) maxTouchNumber = CORE.Input.eventWorker[i].eventNum; + } + + // Find touchscreens with lower indexes + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum < maxTouchNumber)) + { + if (CORE.Input.eventWorker[i].threadId != 0) + { + TRACELOG(LOG_WARNING, "RPI: Found duplicate touchscreen, killing touchscreen on event: %d", i); + pthread_cancel(CORE.Input.eventWorker[i].threadId); + close(CORE.Input.eventWorker[i].fd); + } + } + } +#endif + } + else close(fd); // We are not interested in this device + //------------------------------------------------------------------------------------------------------- +} + +static void PollKeyboardEvents(void) +{ + // Scancode to keycode mapping for US keyboards + // TODO: Replace this with a keymap from the X11 to get the correct regional map for the keyboard: + // Currently non US keyboards will have the wrong mapping for some keys + static const int keymapUS[] = { + 0, 256, 49, 50, 51, 52, 53, 54, 55, 56, 57, 48, 45, 61, 259, 258, 81, 87, 69, 82, 84, + 89, 85, 73, 79, 80, 91, 93, 257, 341, 65, 83, 68, 70, 71, 72, 74, 75, 76, 59, 39, 96, + 340, 92, 90, 88, 67, 86, 66, 78, 77, 44, 46, 47, 344, 332, 342, 32, 280, 290, 291, + 292, 293, 294, 295, 296, 297, 298, 299, 282, 281, 327, 328, 329, 333, 324, 325, + 326, 334, 321, 322, 323, 320, 330, 0, 85, 86, 300, 301, 89, 90, 91, 92, 93, 94, 95, + 335, 345, 331, 283, 346, 101, 268, 265, 266, 263, 262, 269, 264, 267, 260, 261, + 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 347, 127, + 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, + 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, + 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, + 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, + 192, 193, 194, 0, 0, 0, 0, 0, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, + 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, + 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, + 243, 244, 245, 246, 247, 248, 0, 0, 0, 0, 0, 0, 0 + }; + + int fd = CORE.Input.Keyboard.fd; + if (fd == -1) return; + + struct input_event event = { 0 }; + int keycode = -1; + + // Try to read data from the keyboard and only continue if successful + while (read(fd, &event, sizeof(event)) == (int)sizeof(event)) + { + // Button parsing + if (event.type == EV_KEY) + { +#if defined(SUPPORT_SSH_KEYBOARD_RPI) + // Change keyboard mode to events + CORE.Input.Keyboard.evtMode = true; +#endif + // Keyboard button parsing + if ((event.code >= 1) && (event.code <= 255)) //Keyboard keys appear for codes 1 to 255 + { + keycode = keymapUS[event.code & 0xFF]; // The code we get is a scancode so we look up the apropriate keycode + + // Make sure we got a valid keycode + if ((keycode > 0) && (keycode < sizeof(CORE.Input.Keyboard.currentKeyState))) + { + // WARNING: https://www.kernel.org/doc/Documentation/input/input.txt + // Event interface: 'value' is the value the event carries. Either a relative change for EV_REL, + // absolute new value for EV_ABS (joysticks ...), or 0 for EV_KEY for release, 1 for keypress and 2 for autorepeat + CORE.Input.Keyboard.currentKeyState[keycode] = (event.value >= 1)? 1 : 0; + if (event.value >= 1) + { + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; // Register last key pressed + CORE.Input.Keyboard.keyPressedQueueCount++; + } + + #if defined(SUPPORT_SCREEN_CAPTURE) + // Check screen capture key (raylib key: KEY_F12) + if (CORE.Input.Keyboard.currentKeyState[301] == 1) + { + TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } + #endif + + if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; + + TRACELOGD("RPI: KEY_%s ScanCode: %4i KeyCode: %4i", event.value == 0 ? "UP":"DOWN", event.code, keycode); + } + } + } + } +} + +// Input device events reading thread +static void *EventThread(void *arg) +{ + struct input_event event = { 0 }; + InputEventWorker *worker = (InputEventWorker *)arg; + + int touchAction = -1; // 0-TOUCH_ACTION_UP, 1-TOUCH_ACTION_DOWN, 2-TOUCH_ACTION_MOVE + bool gestureUpdate = false; // Flag to note gestures require to update + + while (!CORE.Window.shouldClose) + { + // Try to read data from the device and only continue if successful + while (read(worker->fd, &event, sizeof(event)) == (int)sizeof(event)) + { + // Relative movement parsing + if (event.type == EV_REL) + { + if (event.code == REL_X) + { + CORE.Input.Mouse.currentPosition.x += event.value; + CORE.Input.Touch.position[0].x = CORE.Input.Mouse.currentPosition.x; + + touchAction = 2; // TOUCH_ACTION_MOVE + gestureUpdate = true; + } + + if (event.code == REL_Y) + { + CORE.Input.Mouse.currentPosition.y += event.value; + CORE.Input.Touch.position[0].y = CORE.Input.Mouse.currentPosition.y; + + touchAction = 2; // TOUCH_ACTION_MOVE + gestureUpdate = true; + } + + if (event.code == REL_WHEEL) CORE.Input.Mouse.currentWheelMove += event.value; + } + + // Absolute movement parsing + if (event.type == EV_ABS) + { + // Basic movement + if (event.code == ABS_X) + { + CORE.Input.Mouse.currentPosition.x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange + CORE.Input.Touch.position[0].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange + + touchAction = 2; // TOUCH_ACTION_MOVE + gestureUpdate = true; + } + + if (event.code == ABS_Y) + { + CORE.Input.Mouse.currentPosition.y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange + CORE.Input.Touch.position[0].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange + + touchAction = 2; // TOUCH_ACTION_MOVE + gestureUpdate = true; + } + + // Multitouch movement + if (event.code == ABS_MT_SLOT) worker->touchSlot = event.value; // Remember the slot number for the folowing events + + if (event.code == ABS_MT_POSITION_X) + { + if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange + } + + if (event.code == ABS_MT_POSITION_Y) + { + if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange + } + + if (event.code == ABS_MT_TRACKING_ID) + { + if ((event.value < 0) && (worker->touchSlot < MAX_TOUCH_POINTS)) + { + // Touch has ended for this point + CORE.Input.Touch.position[worker->touchSlot].x = -1; + CORE.Input.Touch.position[worker->touchSlot].y = -1; + } + } + + // Touchscreen tap + if (event.code == ABS_PRESSURE) + { + int previousMouseLeftButtonState = CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT]; + + if (!event.value && previousMouseLeftButtonState) + { + CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 0; + + touchAction = 0; // TOUCH_ACTION_UP + gestureUpdate = true; + } + + if (event.value && !previousMouseLeftButtonState) + { + CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 1; + + touchAction = 1; // TOUCH_ACTION_DOWN + gestureUpdate = true; + } + } + + } + + // Button parsing + if (event.type == EV_KEY) + { + // Mouse button parsing + if ((event.code == BTN_TOUCH) || (event.code == BTN_LEFT)) + { + CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = event.value; + + if (event.value > 0) touchAction = 1; // TOUCH_ACTION_DOWN + else touchAction = 0; // TOUCH_ACTION_UP + gestureUpdate = true; + } + + if (event.code == BTN_RIGHT) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_RIGHT] = event.value; + if (event.code == BTN_MIDDLE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_MIDDLE] = event.value; + if (event.code == BTN_SIDE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_SIDE] = event.value; + if (event.code == BTN_EXTRA) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_EXTRA] = event.value; + if (event.code == BTN_FORWARD) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_FORWARD] = event.value; + if (event.code == BTN_BACK) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_BACK] = event.value; + } + + // Screen confinement + if (!CORE.Input.Mouse.cursorHidden) + { + if (CORE.Input.Mouse.currentPosition.x < 0) CORE.Input.Mouse.currentPosition.x = 0; + if (CORE.Input.Mouse.currentPosition.x > CORE.Window.screen.width/CORE.Input.Mouse.scale.x) CORE.Input.Mouse.currentPosition.x = CORE.Window.screen.width/CORE.Input.Mouse.scale.x; + + if (CORE.Input.Mouse.currentPosition.y < 0) CORE.Input.Mouse.currentPosition.y = 0; + if (CORE.Input.Mouse.currentPosition.y > CORE.Window.screen.height/CORE.Input.Mouse.scale.y) CORE.Input.Mouse.currentPosition.y = CORE.Window.screen.height/CORE.Input.Mouse.scale.y; + } + +#if defined(SUPPORT_GESTURES_SYSTEM) // PLATFORM_RPI, PLATFORM_DRM + if (gestureUpdate) + { + GestureEvent gestureEvent = { 0 }; + + gestureEvent.pointCount = 0; + gestureEvent.touchAction = touchAction; + + if (CORE.Input.Touch.position[0].x >= 0) gestureEvent.pointCount++; + if (CORE.Input.Touch.position[1].x >= 0) gestureEvent.pointCount++; + if (CORE.Input.Touch.position[2].x >= 0) gestureEvent.pointCount++; + if (CORE.Input.Touch.position[3].x >= 0) gestureEvent.pointCount++; + + gestureEvent.pointId[0] = 0; + gestureEvent.pointId[1] = 1; + gestureEvent.pointId[2] = 2; + gestureEvent.pointId[3] = 3; + + gestureEvent.position[0] = CORE.Input.Touch.position[0]; + gestureEvent.position[1] = CORE.Input.Touch.position[1]; + gestureEvent.position[2] = CORE.Input.Touch.position[2]; + gestureEvent.position[3] = CORE.Input.Touch.position[3]; + + ProcessGestureEvent(gestureEvent); + } +#endif + } + + WaitTime(5); // Sleep for 5ms to avoid hogging CPU time + } + + close(worker->fd); + + return NULL; +} + +// Initialize gamepad system +static void InitGamepad(void) +{ + char gamepadDev[128] = { 0 }; + + for (int i = 0; i < MAX_GAMEPADS; i++) + { + sprintf(gamepadDev, "%s%i", DEFAULT_GAMEPAD_DEV, i); + + if ((CORE.Input.Gamepad.streamId[i] = open(gamepadDev, O_RDONLY|O_NONBLOCK)) < 0) + { + // NOTE: Only show message for first gamepad + if (i == 0) TRACELOG(LOG_WARNING, "RPI: Failed to open Gamepad device, no gamepad available"); + } + else + { + CORE.Input.Gamepad.ready[i] = true; + + // NOTE: Only create one thread + if (i == 0) + { + int error = pthread_create(&CORE.Input.Gamepad.threadId, NULL, &GamepadThread, NULL); + + if (error != 0) TRACELOG(LOG_WARNING, "RPI: Failed to create gamepad input event thread"); + else TRACELOG(LOG_INFO, "RPI: Gamepad device initialized successfully"); + } + } + } +} + +// Process Gamepad (/dev/input/js0) +static void *GamepadThread(void *arg) +{ + #define JS_EVENT_BUTTON 0x01 // Button pressed/released + #define JS_EVENT_AXIS 0x02 // Joystick axis moved + #define JS_EVENT_INIT 0x80 // Initial state of device + + struct js_event { + unsigned int time; // event timestamp in milliseconds + short value; // event value + unsigned char type; // event type + unsigned char number; // event axis/button number + }; + + // Read gamepad event + struct js_event gamepadEvent = { 0 }; + + while (!CORE.Window.shouldClose) + { + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (read(CORE.Input.Gamepad.streamId[i], &gamepadEvent, sizeof(struct js_event)) == (int)sizeof(struct js_event)) + { + gamepadEvent.type &= ~JS_EVENT_INIT; // Ignore synthetic events + + // Process gamepad events by type + if (gamepadEvent.type == JS_EVENT_BUTTON) + { + //TRACELOG(LOG_WARNING, "RPI: Gamepad button: %i, value: %i", gamepadEvent.number, gamepadEvent.value); + + if (gamepadEvent.number < MAX_GAMEPAD_BUTTONS) + { + // 1 - button pressed, 0 - button released + CORE.Input.Gamepad.currentButtonState[i][gamepadEvent.number] = (int)gamepadEvent.value; + + if ((int)gamepadEvent.value == 1) CORE.Input.Gamepad.lastButtonPressed = gamepadEvent.number; + else CORE.Input.Gamepad.lastButtonPressed = -1; + } + } + else if (gamepadEvent.type == JS_EVENT_AXIS) + { + //TRACELOG(LOG_WARNING, "RPI: Gamepad axis: %i, value: %i", gamepadEvent.number, gamepadEvent.value); + + if (gamepadEvent.number < MAX_GAMEPAD_AXIS) + { + // NOTE: Scaling of gamepadEvent.value to get values between -1..1 + CORE.Input.Gamepad.axisState[i][gamepadEvent.number] = (float)gamepadEvent.value/32768; + } + } + } + else WaitTime(1); // Sleep for 1 ms to avoid hogging CPU time + } + } + + return NULL; +} +#endif // PLATFORM_RPI || PLATFORM_DRM + +#if defined(PLATFORM_DRM) +// Search matching DRM mode in connector's mode list +static int FindMatchingConnectorMode(const drmModeConnector *connector, const drmModeModeInfo *mode) +{ + if (NULL == connector) return -1; + if (NULL == mode) return -1; + + // safe bitwise comparison of two modes + #define BINCMP(a, b) memcmp((a), (b), (sizeof(a) < sizeof(b)) ? sizeof(a) : sizeof(b)) + + for (size_t i = 0; i < connector->count_modes; i++) + { + TRACELOG(LOG_TRACE, "DISPLAY: DRM mode: %d %ux%u@%u %s", i, connector->modes[i].hdisplay, connector->modes[i].vdisplay, + connector->modes[i].vrefresh, (connector->modes[i].flags & DRM_MODE_FLAG_INTERLACE) ? "interlaced" : "progressive"); + + if (0 == BINCMP(&CORE.Window.crtc->mode, &CORE.Window.connector->modes[i])) return i; + } + + return -1; + + #undef BINCMP +} + +// Search exactly matching DRM connector mode in connector's list +static int FindExactConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced) +{ + TRACELOG(LOG_TRACE, "DISPLAY: Searching exact connector mode for %ux%u@%u, selecting an interlaced mode is allowed: %s", width, height, fps, allowInterlaced ? "yes" : "no"); + + if (NULL == connector) return -1; + + for (int i = 0; i < CORE.Window.connector->count_modes; i++) + { + const drmModeModeInfo *const mode = &CORE.Window.connector->modes[i]; + + TRACELOG(LOG_TRACE, "DISPLAY: DRM Mode %d %ux%u@%u %s", i, mode->hdisplay, mode->vdisplay, mode->vrefresh, (mode->flags & DRM_MODE_FLAG_INTERLACE) ? "interlaced" : "progressive"); + + if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && (!allowInterlaced)) continue; + + if ((mode->hdisplay == width) && (mode->vdisplay == height) && (mode->vrefresh == fps)) return i; + } + + TRACELOG(LOG_TRACE, "DISPLAY: No DRM exact matching mode found"); + return -1; +} + +// Search the nearest matching DRM connector mode in connector's list +static int FindNearestConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced) +{ + TRACELOG(LOG_TRACE, "DISPLAY: Searching nearest connector mode for %ux%u@%u, selecting an interlaced mode is allowed: %s", width, height, fps, allowInterlaced ? "yes" : "no"); + + if (NULL == connector) return -1; + + int nearestIndex = -1; + for (int i = 0; i < CORE.Window.connector->count_modes; i++) + { + const drmModeModeInfo *const mode = &CORE.Window.connector->modes[i]; + + TRACELOG(LOG_TRACE, "DISPLAY: DRM mode: %d %ux%u@%u %s", i, mode->hdisplay, mode->vdisplay, mode->vrefresh, + (mode->flags & DRM_MODE_FLAG_INTERLACE) ? "interlaced" : "progressive"); + + if ((mode->hdisplay < width) || (mode->vdisplay < height) || (mode->vrefresh < fps)) + { + TRACELOG(LOG_TRACE, "DISPLAY: DRM mode is too small"); + continue; + } + + if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && (!allowInterlaced)) + { + TRACELOG(LOG_TRACE, "DISPLAY: DRM shouldn't choose an interlaced mode"); + continue; + } + + if ((mode->hdisplay >= width) && (mode->vdisplay >= height) && (mode->vrefresh >= fps)) + { + const int widthDiff = mode->hdisplay - width; + const int heightDiff = mode->vdisplay - height; + const int fpsDiff = mode->vrefresh - fps; + + if (nearestIndex < 0) + { + nearestIndex = i; + continue; + } + + const int nearestWidthDiff = CORE.Window.connector->modes[nearestIndex].hdisplay - width; + const int nearestHeightDiff = CORE.Window.connector->modes[nearestIndex].vdisplay - height; + const int nearestFpsDiff = CORE.Window.connector->modes[nearestIndex].vrefresh - fps; + + if ((widthDiff < nearestWidthDiff) || (heightDiff < nearestHeightDiff) || (fpsDiff < nearestFpsDiff)) nearestIndex = i; + } + } + + return nearestIndex; +} +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) +// NOTE: Loading happens over AutomationEvent *events +static void LoadAutomationEvents(const char *fileName) +{ + //unsigned char fileId[4] = { 0 }; + + // Load binary + /* + FILE *repFile = fopen(fileName, "rb"); + fread(fileId, 4, 1, repFile); + + if ((fileId[0] == 'r') && (fileId[1] == 'E') && (fileId[2] == 'P') && (fileId[1] == ' ')) + { + fread(&eventCount, sizeof(int), 1, repFile); + TraceLog(LOG_WARNING, "Events loaded: %i\n", eventCount); + fread(events, sizeof(AutomationEvent), eventCount, repFile); + } + + fclose(repFile); + */ + + // Load events (text file) + FILE *repFile = fopen(fileName, "rt"); + + if (repFile != NULL) + { + unsigned int count = 0; + char buffer[256] = { 0 }; + + fgets(buffer, 256, repFile); + + while (!feof(repFile)) + { + if (buffer[0] == 'c') sscanf(buffer, "c %i", &eventCount); + else if (buffer[0] == 'e') + { + sscanf(buffer, "e %d %d %d %d %d", &events[count].frame, &events[count].type, + &events[count].params[0], &events[count].params[1], &events[count].params[2]); + + count++; + } + + fgets(buffer, 256, repFile); + } + + if (count != eventCount) TRACELOG(LOG_WARNING, "Events count provided is different than count"); + + fclose(repFile); + } + + TRACELOG(LOG_WARNING, "Events loaded: %i", eventCount); +} + +// Export recorded events into a file +static void ExportAutomationEvents(const char *fileName) +{ + unsigned char fileId[4] = "rEP "; + + // Save as binary + /* + FILE *repFile = fopen(fileName, "wb"); + fwrite(fileId, 4, 1, repFile); + fwrite(&eventCount, sizeof(int), 1, repFile); + fwrite(events, sizeof(AutomationEvent), eventCount, repFile); + fclose(repFile); + */ + + // Export events as text + FILE *repFile = fopen(fileName, "wt"); + + if (repFile != NULL) + { + fprintf(repFile, "# Automation events list\n"); + fprintf(repFile, "# c <events_count>\n"); + fprintf(repFile, "# e <frame> <event_type> <param0> <param1> <param2> // <event_type_name>\n"); + + fprintf(repFile, "c %i\n", eventCount); + for (int i = 0; i < eventCount; i++) + { + fprintf(repFile, "e %i %i %i %i %i // %s\n", events[i].frame, events[i].type, + events[i].params[0], events[i].params[1], events[i].params[2], autoEventTypeName[events[i].type]); + } + + fclose(repFile); + } +} + +// EndDrawing() -> After PollInputEvents() +// Check event in current frame and save into the events[i] array +static void RecordAutomationEvent(unsigned int frame) +{ + for (int key = 0; key < MAX_KEYBOARD_KEYS; key++) + { + // INPUT_KEY_UP (only saved once) + if (CORE.Input.Keyboard.previousKeyState[key] && !CORE.Input.Keyboard.currentKeyState[key]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_KEY_UP; + events[eventCount].params[0] = key; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_KEY_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_KEY_DOWN + if (CORE.Input.Keyboard.currentKeyState[key]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_KEY_DOWN; + events[eventCount].params[0] = key; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_KEY_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + + for (int button = 0; button < MAX_MOUSE_BUTTONS; button++) + { + // INPUT_MOUSE_BUTTON_UP + if (CORE.Input.Mouse.previousButtonState[button] && !CORE.Input.Mouse.currentButtonState[button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_BUTTON_UP; + events[eventCount].params[0] = button; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_BUTTON_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_MOUSE_BUTTON_DOWN + if (CORE.Input.Mouse.currentButtonState[button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_BUTTON_DOWN; + events[eventCount].params[0] = button; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_BUTTON_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + + // INPUT_MOUSE_POSITION (only saved if changed) + if (((int)CORE.Input.Mouse.currentPosition.x != (int)CORE.Input.Mouse.previousPosition.x) || + ((int)CORE.Input.Mouse.currentPosition.y != (int)CORE.Input.Mouse.previousPosition.y)) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_POSITION; + events[eventCount].params[0] = (int)CORE.Input.Mouse.currentPosition.x; + events[eventCount].params[1] = (int)CORE.Input.Mouse.currentPosition.y; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_POSITION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_MOUSE_WHEEL_MOTION + if ((int)CORE.Input.Mouse.currentWheelMove != (int)CORE.Input.Mouse.previousWheelMove) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_WHEEL_MOTION; + events[eventCount].params[0] = (int)CORE.Input.Mouse.currentWheelMove; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_WHEEL_MOTION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + for (int id = 0; id < MAX_TOUCH_POINTS; id++) + { + // INPUT_TOUCH_UP + if (CORE.Input.Touch.previousTouchState[id] && !CORE.Input.Touch.currentTouchState[id]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_TOUCH_UP; + events[eventCount].params[0] = id; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_TOUCH_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_TOUCH_DOWN + if (CORE.Input.Touch.currentTouchState[id]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_TOUCH_DOWN; + events[eventCount].params[0] = id; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_TOUCH_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_TOUCH_POSITION + // TODO: It requires the id! + /* + if (((int)CORE.Input.Touch.currentPosition[id].x != (int)CORE.Input.Touch.previousPosition[id].x) || + ((int)CORE.Input.Touch.currentPosition[id].y != (int)CORE.Input.Touch.previousPosition[id].y)) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_TOUCH_POSITION; + events[eventCount].params[0] = id; + events[eventCount].params[1] = (int)CORE.Input.Touch.currentPosition[id].x; + events[eventCount].params[2] = (int)CORE.Input.Touch.currentPosition[id].y; + + TRACELOG(LOG_INFO, "[%i] INPUT_TOUCH_POSITION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + */ + } + + for (int gamepad = 0; gamepad < MAX_GAMEPADS; gamepad++) + { + // INPUT_GAMEPAD_CONNECT + /* + if ((CORE.Input.Gamepad.currentState[gamepad] != CORE.Input.Gamepad.previousState[gamepad]) && + (CORE.Input.Gamepad.currentState[gamepad] == true)) // Check if changed to ready + { + // TODO: Save gamepad connect event + } + */ + + // INPUT_GAMEPAD_DISCONNECT + /* + if ((CORE.Input.Gamepad.currentState[gamepad] != CORE.Input.Gamepad.previousState[gamepad]) && + (CORE.Input.Gamepad.currentState[gamepad] == false)) // Check if changed to not-ready + { + // TODO: Save gamepad disconnect event + } + */ + + for (int button = 0; button < MAX_GAMEPAD_BUTTONS; button++) + { + // INPUT_GAMEPAD_BUTTON_UP + if (CORE.Input.Gamepad.previousButtonState[gamepad][button] && !CORE.Input.Gamepad.currentButtonState[gamepad][button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GAMEPAD_BUTTON_UP; + events[eventCount].params[0] = gamepad; + events[eventCount].params[1] = button; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_GAMEPAD_BUTTON_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_GAMEPAD_BUTTON_DOWN + if (CORE.Input.Gamepad.currentButtonState[gamepad][button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GAMEPAD_BUTTON_DOWN; + events[eventCount].params[0] = gamepad; + events[eventCount].params[1] = button; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_GAMEPAD_BUTTON_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + + for (int axis = 0; axis < MAX_GAMEPAD_AXIS; axis++) + { + // INPUT_GAMEPAD_AXIS_MOTION + if (CORE.Input.Gamepad.axisState[gamepad][axis] > 0.1f) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GAMEPAD_AXIS_MOTION; + events[eventCount].params[0] = gamepad; + events[eventCount].params[1] = axis; + events[eventCount].params[2] = (int)(CORE.Input.Gamepad.axisState[gamepad][axis]*32768.0f); + + TRACELOG(LOG_INFO, "[%i] INPUT_GAMEPAD_AXIS_MOTION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + } + + // INPUT_GESTURE + if (GESTURES.current != GESTURE_NONE) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GESTURE; + events[eventCount].params[0] = GESTURES.current; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_GESTURE: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } +} + +// Play automation event +static void PlayAutomationEvent(unsigned int frame) +{ + for (unsigned int i = 0; i < eventCount; i++) + { + if (events[i].frame == frame) + { + switch (events[i].type) + { + // Input events + case INPUT_KEY_UP: CORE.Input.Keyboard.currentKeyState[events[i].params[0]] = false; break; // param[0]: key + case INPUT_KEY_DOWN: CORE.Input.Keyboard.currentKeyState[events[i].params[0]] = true; break; // param[0]: key + case INPUT_MOUSE_BUTTON_UP: CORE.Input.Mouse.currentButtonState[events[i].params[0]] = false; break; // param[0]: key + case INPUT_MOUSE_BUTTON_DOWN: CORE.Input.Mouse.currentButtonState[events[i].params[0]] = true; break; // param[0]: key + case INPUT_MOUSE_POSITION: // param[0]: x, param[1]: y + { + CORE.Input.Mouse.currentPosition.x = (float)events[i].params[0]; + CORE.Input.Mouse.currentPosition.y = (float)events[i].params[1]; + } break; + case INPUT_MOUSE_WHEEL_MOTION: CORE.Input.Mouse.currentWheelMove = (float)events[i].params[0]; break; // param[0]: delta + case INPUT_TOUCH_UP: CORE.Input.Touch.currentTouchState[events[i].params[0]] = false; break; // param[0]: id + case INPUT_TOUCH_DOWN: CORE.Input.Touch.currentTouchState[events[i].params[0]] = true; break; // param[0]: id + case INPUT_TOUCH_POSITION: // param[0]: id, param[1]: x, param[2]: y + { + CORE.Input.Touch.position[events[i].params[0]].x = (float)events[i].params[1]; + CORE.Input.Touch.position[events[i].params[0]].y = (float)events[i].params[2]; + } break; + case INPUT_GAMEPAD_CONNECT: CORE.Input.Gamepad.ready[events[i].params[0]] = true; break; // param[0]: gamepad + case INPUT_GAMEPAD_DISCONNECT: CORE.Input.Gamepad.ready[events[i].params[0]] = false; break; // param[0]: gamepad + case INPUT_GAMEPAD_BUTTON_UP: CORE.Input.Gamepad.currentButtonState[events[i].params[0]][events[i].params[1]] = false; break; // param[0]: gamepad, param[1]: button + case INPUT_GAMEPAD_BUTTON_DOWN: CORE.Input.Gamepad.currentButtonState[events[i].params[0]][events[i].params[1]] = true; break; // param[0]: gamepad, param[1]: button + case INPUT_GAMEPAD_AXIS_MOTION: // param[0]: gamepad, param[1]: axis, param[2]: delta + { + CORE.Input.Gamepad.axisState[events[i].params[0]][events[i].params[1]] = ((float)events[i].params[2]/32768.0f); + } break; + case INPUT_GESTURE: GESTURES.current = events[i].params[0]; break; // param[0]: gesture (enum Gesture) -> rgestures.h: GESTURES.current + + // Window events + case WINDOW_CLOSE: CORE.Window.shouldClose = true; break; + case WINDOW_MAXIMIZE: MaximizeWindow(); break; + case WINDOW_MINIMIZE: MinimizeWindow(); break; + case WINDOW_RESIZE: SetWindowSize(events[i].params[0], events[i].params[1]); break; + + // Custom events + case ACTION_TAKE_SCREENSHOT: + { + TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } break; + case ACTION_SETTARGETFPS: SetTargetFPS(events[i].params[0]); break; + default: break; + } + } + } +} +#endif + +#if !defined(SUPPORT_MODULE_RTEXT) +// Formatting of text with variables to 'embed' +// WARNING: String returned will expire after this function is called MAX_TEXTFORMAT_BUFFERS times +const char *TextFormat(const char *text, ...) +{ +#ifndef MAX_TEXTFORMAT_BUFFERS + #define MAX_TEXTFORMAT_BUFFERS 4 // Maximum number of static buffers for text formatting +#endif +#ifndef MAX_TEXT_BUFFER_LENGTH + #define MAX_TEXT_BUFFER_LENGTH 1024 // Maximum size of static text buffer +#endif + + // We create an array of buffers so strings don't expire until MAX_TEXTFORMAT_BUFFERS invocations + static char buffers[MAX_TEXTFORMAT_BUFFERS][MAX_TEXT_BUFFER_LENGTH] = { 0 }; + static int index = 0; + + char *currentBuffer = buffers[index]; + memset(currentBuffer, 0, MAX_TEXT_BUFFER_LENGTH); // Clear buffer before using + + va_list args; + va_start(args, text); + vsnprintf(currentBuffer, MAX_TEXT_BUFFER_LENGTH, text, args); + va_end(args); + + index += 1; // Move to next buffer for next function call + if (index >= MAX_TEXTFORMAT_BUFFERS) index = 0; + + return currentBuffer; +} +#endif // !SUPPORT_MODULE_RTEXT |