1 files changed, 116 insertions, 0 deletions
diff --git a/src/ft_draw_weapons.c b/src/ft_draw_weapons.c
new file mode 100644
index 0000000..4a75c9f
--- /dev/null
+++ b/src/ft_draw_weapons.c
@@ -0,0 +1,116 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_draw_weapons.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_weapons_norme(float *dist_tab, int16_t *i, uint16_t j, t_cub *cl)
+{
+	uint32_t	tmp;
+	uint32_t    it;
+
+	it = *i;
+	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.weaps_order[j][it];
+		cl->mlist.weaps_order[j][it] = cl->mlist.weaps_order[j][it + 1];
+		cl->mlist.weaps_order[j][it + 1] = tmp;
+		*i = -1;
+	}
+}
+
+void
+	ft_sort_weapons(t_cub *cl, int16_t it, int16_t jt)
+{
+	float			dist_tab[2][1];
+
+	while (++jt <= cl->mlist.weapon_var)
+	{
+		while (++it <= cl->mlist.weaps_nbr[jt])
+		{
+			dist_tab[jt][it] =
+				((cl->plist.pos_x - cl->weaps[jt][it].s_pos_x) *
+				(cl->plist.pos_x - cl->weaps[jt][it].s_pos_x) +
+				(cl->plist.pos_y - cl->weaps[jt][it].s_pos_y) *
+				(cl->plist.pos_y - cl->weaps[jt][it].s_pos_y));
+			cl->mlist.weaps_order[jt][it] = it;
+		}
+		it = -1;
+	}
+	it = -1;
+	jt = -1;
+	while (++jt < cl->mlist.weapon_var)
+	{
+		while (++it < cl->mlist.weaps_nbr[jt] - 1)
+			ft_sort_weapons_norme(dist_tab[jt], &it, jt, cl);
+		it = -1;
+	}
+}
+
+static void
+	ft_put_weapon(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[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
+			cl->tlist[sprite->current_sprite].img_h * sprite->tex_y] / calc;
+	cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline) + 1] =
+		(uint8_t)cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
+			cl->tlist[sprite->current_sprite].img_h * sprite->tex_y + 1] / calc;
+	cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline) + 2] =
+		(uint8_t)cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
+			cl->tlist[sprite->current_sprite].img_h * sprite->tex_y + 2] / calc;
+}
+
+void
+	ft_draw_weapon(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[sprite->current_sprite].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[sprite->current_sprite].img_h / 2) /
+					sprite->spriteheight) / 128;
+			if (sprite->transformy > 0 &&
+				cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
+				cl->tlist[sprite->current_sprite].img_h * sprite->tex_y]
+				&& cl->rlist.wall_dist_tab[sprite->x] > sprite->transformy)
+				ft_put_weapon(sprite, cl);
+			sprite->y++;
+		}
+		sprite->x++;
+	}
+}