1 files changed, 90 insertions, 0 deletions
diff --git a/src/ft_draw_ammo_back.c b/src/ft_draw_ammo_back.c
new file mode 100644
index 0000000..81fd92f
--- /dev/null
+++ b/src/ft_draw_ammo_back.c
@@ -0,0 +1,90 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_draw_ammo_back.c                                :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/22 20:02:47 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/22 20:02:48 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <cub3d.h>
+#include <stdint.h>
+
+static void
+	ft_draw_back(uint16_t y, uint16_t x, t_cub *cl)
+{
+	const uint16_t	scl = cl->mlist.scale;
+
+	cl->img.ptr[x * 4 +
+				(cl->img.sizeline * (y + cl->wlist.y_size -
+		(2 * ((cl->mlist.map_h * scl) - 20))))] =
+		(uint8_t)cl->tlist[16].ptr[cl->tlist[16].tex_x * 4 + 4 *
+		cl->tlist[16].img_w * cl->tlist[16].tex_y];
+	cl->img.ptr[x * 4 +
+		(cl->img.sizeline * (y + cl->wlist.y_size -
+		(2 * ((cl->mlist.map_h * scl) - 20)))) + 1] =
+		(uint8_t)cl->tlist[16].ptr[cl->tlist[16].tex_x * 4 + 4 *
+		cl->tlist[16].img_w * cl->tlist[16].tex_y + 1];
+	cl->img.ptr[x * 4 +
+		(cl->img.sizeline * (y + cl->wlist.y_size -
+		(2 * ((cl->mlist.map_h * scl) - 20)))) + 2] =
+		(uint8_t)cl->tlist[16].ptr[cl->tlist[16].tex_x * 4 + 4 *
+		cl->tlist[16].img_w * cl->tlist[16].tex_y + 2];
+}
+
+static void
+	ft_put_ammo_back(t_cub *cl)
+{
+	int32_t	x_ratio;
+	int32_t	y_ratio;
+	int16_t	x;
+	int16_t	y;
+
+	x_ratio = (int)(((cl->tlist[16].img_w) << 16) / cl->amm_back_w) + 1;
+	y_ratio = (int)(((cl->tlist[16].img_h) << 16) / cl->amm_back_h) + 1;
+	y = 0;
+	while (y < cl->amm_back_h)
+	{
+		cl->tlist[16].tex_y = ((y * y_ratio) >> 16);
+		x = 0;
+		while (x < cl->amm_back_w)
+		{
+			cl->tlist[16].tex_x = ((x * x_ratio) >> 16);
+			ft_draw_back(y, x, cl);
+			x++;
+		}
+		y++;
+	}
+}
+
+static void
+	ft_get_hw(t_cub *cl)
+{
+	uint16_t		x;
+	uint16_t		y;
+	const uint16_t	scl = cl->mlist.scale;
+
+	x = 0;
+	y = cl->wlist.y_size - (2 * ((cl->mlist.map_h * scl) - 20));
+	while (x < (cl->mlist.map_w * scl) + 20)
+	{
+		while (y < cl->wlist.y_size - (cl->mlist.map_h * scl) - 20)
+			y++;
+		x++;
+	}
+	y -= cl->wlist.y_size - (2 * ((cl->mlist.map_h * scl) - 20));
+	y = (y <= 0) ? (1) : (y);
+	x = (x <= 0) ? (1) : (x);
+	cl->amm_back_h = y;
+	cl->amm_back_w = x;
+}
+
+void
+	ft_draw_ammo_back(t_cub *cl)
+{
+	ft_get_hw(cl);
+	ft_put_ammo_back(cl);
+}