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-rw-r--r--src/ft_draw_sprite.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/ft_draw_sprite.c b/src/ft_draw_sprite.c
new file mode 100644
index 0000000..38c1fd9
--- /dev/null
+++ b/src/ft_draw_sprite.c
@@ -0,0 +1,44 @@
+#include <libft.h>
+#include <cub3d.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <math.h>
+
+void
+ft_draw_verline_sprite(t_cub *cl, int x, int y, int tex_y)
+{
+ cl->img.ptr[x * 4 + (cl->img.sizeline * y)] =
+ (char)cl->tlist[cl->w_side].ptr[cl->tlist[cl->w_side].tex_x * 4 + 4 *
+ cl->tlist[cl->w_side].img_h * tex_y];
+ cl->img.ptr[x * 4 + (cl->img.sizeline * y) + 1] =
+ (char)cl->tlist[cl->w_side].ptr[cl->tlist[cl->w_side].tex_x * 4 + 4 *
+ cl->tlist[cl->w_side].img_h * tex_y + 1];
+ cl->img.ptr[x * 4 + (cl->img.sizeline * y) + 2] =
+ (char)cl->tlist[cl->w_side].ptr[cl->tlist[cl->w_side].tex_x * 4 + 4 *
+ cl->tlist[cl->w_side].img_h * tex_y + 2];
+ cl->img.ptr[x * 4 + cl->wlist->x_size * y + 3] = (char)0;
+}
+
+void
+ft_draw_sprite(t_cub *cl, int x)
+{
+ int ver_it;/*stripe*/
+ int hor_it;/*y*/
+ int tex_x;
+ int tex_y;
+ int d;
+
+ ver_it = cl->sp_list.s_start_x;
+ while (ver_it < cl->sp_list.s_end_x)
+ {
+ tex_x = (int)(256 * (ver_it - (-cl->sp_list.s_w / 2 + cl->sp_list.s_screen_x)) * cl->tlist[4].img_w / cl->sp_list.s_w) / 256;
+ hor_it = cl->sp_list.s_start_y;
+ while (hor_it < cl->sp_list.s_end_y)
+ {
+ d = hor_it * 256 - cl->wlist->y_size * 128 + cl->sp_list.s_h * 128;
+ tex_y = ((d * cl->tlist[4].img_h) / cl->sp_list.s_h) / 256;
+ ft_draw_verline_sprite(cl, x, hor_it, tex_y);
+ }
+ ver_it++;
+ }
+}