Norme is pretty bav

1 files changed, 68 insertions, 0 deletions

diff --git a/src/ft_draw_sprite_extra.c b/src/ft_draw_sprite_extra.c
new file mode 100644
index 0000000..73b8959
--- /dev/null
+++ b/src/ft_draw_sprite_extra.c
@@ -0,0 +1,68 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_draw_sprite_extra.c                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/24 20:22:45 by rbousset          #+#    #+#             */
+/*   Updated: 2020/03/09 18:56:01 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <cub3d.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <math.h>
+
+void
+	ft_sprite_height(t_cub *cl, t_sprite *sprite)
+{
+	sprite->spriteheight = abs((int)(cl->wlist.y_size / (sprite->transformy)));
+	sprite->drawstarty = -sprite->spriteheight / 2 + cl->wlist.y_size / 2;
+	if (sprite->drawstarty < 0)
+		sprite->drawstarty = 0;
+	sprite->drawendy = sprite->spriteheight / 2 + cl->wlist.y_size / 2;
+	if (sprite->drawendy >= (int)cl->wlist.y_size)
+		sprite->drawendy = cl->wlist.y_size - 1;
+}
+
+void
+	ft_sprite_width(t_cub *cl, t_sprite *sprite)
+{
+	sprite->spritewidth = abs((int)(cl->wlist.x_size / (sprite->transformy)));
+	sprite->drawstartx = -sprite->spritewidth / 2 + sprite->spritescreenx;
+	if (sprite->drawstartx < 0)
+		sprite->drawstartx = 0;
+	sprite->drawendx = sprite->spritewidth / 2 + sprite->spritescreenx;
+	if (sprite->drawendx >= (int)cl->wlist.x_size)
+		sprite->drawendx = cl->wlist.x_size - 1;
+}
+
+void
+	ft_calc_sprite(t_cub *cl)
+{
+	t_sprite	sprite;
+	int32_t		i;
+
+	i = 0;
+	while (i < cl->mlist.sprite_nbr)
+	{
+		sprite = cl->sprites[i];
+		sprite.spritey = sprite.s_pos_x - (cl->plist.pos_x - 0.5);
+		sprite.spritex = sprite.s_pos_y - (cl->plist.pos_y - 0.5);
+		sprite.invdet = 1.0 / (cl->plist.plane_x * cl->plist.dir_y
+			- cl->plist.dir_x * cl->plist.plane_y);
+		sprite.transformx = sprite.invdet * (cl->plist.dir_y * sprite.spritex
+			- cl->plist.dir_x * sprite.spritey);
+		sprite.transformy = sprite.invdet * (-cl->plist.plane_y * sprite.spritex
+			+ cl->plist.plane_x * sprite.spritey);
+		sprite.spritescreenx = (int)(cl->wlist.x_size / 2) *
+			(1 + sprite.transformx / sprite.transformy);
+		ft_sprite_height(cl, &sprite);
+		ft_sprite_width(cl, &sprite);
+		ft_draw_sprite(cl, &sprite);
+		i++;
+	}
+}