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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_draw_map_back.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: joelecle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/22 20:02:47 by joelecle #+# #+# */
/* Updated: 2020/02/22 20:02:48 by joelecle ### ########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 - (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 - (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 - (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_minimap_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->map_back_w) + 1;
y_ratio = (int)(((cl->tlist[16].img_h) << 16) / cl->map_back_h) + 1;
y = 0;
while (y < cl->map_back_h)
{
cl->tlist[16].tex_y = ((y * y_ratio) >> 16);
x = 0;
while (x < cl->map_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 - (cl->mlist.map_h * scl) - 20;
while (x < (cl->mlist.map_w * scl) + 20 + (24 * scl))
{
while (y < cl->wlist.y_size)
y++;
x++;
}
y -= cl->wlist.y_size - (cl->mlist.map_h * scl) - 20;
y = (y <= 0) ? (1) : (y);
x = (x <= 0) ? (1) : (x);
cl->map_back_h = y;
cl->map_back_w = x;
}
void
ft_draw_minimap_back(t_cub *cl)
{
ft_get_hw(cl);
ft_put_minimap_back(cl);
}
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