1 files changed, 110 insertions, 0 deletions
diff --git a/src/ft_draw_traps.c b/src/ft_draw_traps.c
new file mode 100644
index 0000000..42f837b
--- /dev/null
+++ b/src/ft_draw_traps.c
@@ -0,0 +1,110 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_draw_traps.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>
+
+static void
+	ft_sort_traps_norme(float *dist_tab, int32_t it, t_cub *cl)
+{
+	uint32_t	tmp;
+
+	tmp = 0;
+	if (dist_tab[it] > dist_tab[it + 1])
+	{
+		tmp = dist_tab[it];
+		dist_tab[it] = dist_tab[it + 1];
+		dist_tab[it + 1] = tmp;
+		tmp = cl->mlist.traps_order[it];
+		cl->mlist.traps_order[it] = cl->mlist.traps_order[it + 1];
+		cl->mlist.traps_order[it + 1] = tmp;
+		it = 0;
+	}
+}
+
+void
+	ft_sort_traps(t_cub *cl)
+{
+	float		dist_tab[4096];
+	int32_t		it;
+
+	it = 0;
+	while (it < cl->mlist.sprite_nbr)
+	{
+		dist_tab[it] = ((cl->plist.pos_x - cl->traps[it].s_pos_x) *
+				(cl->plist.pos_x - cl->traps[it].s_pos_x) +
+				(cl->plist.pos_y - cl->traps[it].s_pos_y) *
+				(cl->plist.pos_y - cl->traps[it].s_pos_y));
+		cl->mlist.traps_order[it] = it;
+		it++;
+	}
+	it = 0;
+	while (it < cl->mlist.traps_nbr)
+	{
+		ft_sort_traps_norme(dist_tab, it, cl);
+	}
+}
+
+static void
+	ft_put_trap(t_sprite *sprite, t_cub *cl)
+{
+	float		dist;
+	float		calc;
+
+	if ((dist = cl->rlist.wall_dist_tab[sprite->x]) <= 0)
+		dist = 0.0001;
+	calc = (dist * 0.1 * cl->mlist.darklvl);
+	calc = (calc >= 255) ? (255) : (calc);
+	calc = (calc < 1) ? (1) : (calc);
+	cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline)] =
+		(uint8_t)cl->tlist[15].ptr[sprite->tex_x * 4 + 4 *
+		cl->tlist[15].img_h * sprite->tex_y] / calc;
+	cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline) + 1] =
+		(uint8_t)cl->tlist[15].ptr[sprite->tex_x * 4 + 4 *
+		cl->tlist[15].img_h * sprite->tex_y + 1] / calc;
+	cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline) + 2] =
+		(uint8_t)cl->tlist[15].ptr[sprite->tex_x * 4 + 4 *
+		cl->tlist[15].img_h * sprite->tex_y + 2] / calc;
+	cl->img.ptr[sprite->x * 4 + cl->wlist.x_size * sprite->y + 3] = (char)0;
+}
+
+void
+	ft_draw_traps(t_cub *cl, t_sprite *sprite)
+{
+	int32_t	d;
+
+	sprite->x = sprite->drawstartx;
+	while (sprite->x < sprite->drawendx)
+	{
+		sprite->tex_x = (int32_t)((sprite->x - (-sprite->spritewidth / 2 +
+			sprite->spritescreenx)) * cl->tlist[15].img_w / sprite->spritewidth);
+		sprite->y = sprite->drawstarty;
+		while (sprite->y < sprite->drawendy)
+		{
+			d = sprite->y * 256 - cl->wlist.y_size * 128 +
+				sprite->spriteheight * 128;
+			sprite->tex_y = ((d * cl->tlist[15].img_h / 2) /
+					sprite->spriteheight) / 128;
+			if (sprite->transformy > 0 && cl->tlist[15].ptr[sprite->tex_x * 4 + 4 *
+				cl->tlist[15].img_h * sprite->tex_y]
+				&& cl->rlist.wall_dist_tab[sprite->x] > sprite->transformy)
+			{
+				ft_put_trap(sprite, cl);
+			}
+			sprite->y++;
+		}
+		sprite->x++;
+	}
+}