42/42_INT_10_cube3d
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textures start to appears

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This commit is contained in:
hugogogo
2022-05-03 10:18:22 +02:00
parent a2ed84c5e1
commit 5b60406124
2 changed files with 24 additions and 19 deletions
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42
srcs/draw/draw_column.c
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@@ -20,7 +20,19 @@ static void draw_floor_ceiling(t_game *game, t_rcast *rcast, t_txt *txt)
}
}
static void draw_txt_line(t_img *img, t_rcast *rcast, t_wall *wall, t_img *txt_img, int color)
static int get_texture(t_img *img, int imgx, int j, int height)
{
char *color;
int y;
int position;
y = (j * img->height) / height;
position = y * img->szl + imgx * (img->bpp / 8);
color = img->data + position;
return (*(int*)color);
}
static void draw_txt_column(t_img *img, t_rcast *rcast, t_wall *wall, t_img *txt_img, int color)
{
(void)img;
(void)wall;
@@ -30,26 +42,18 @@ static void draw_txt_line(t_img *img, t_rcast *rcast, t_wall *wall, t_img *txt_i
// draw_line(img, &wall->vec, color);
int img_x;
int j;
img_x = (wall->posx * txt_img->width) / rcast->cell;
printf("img_x:%i\n", img_x);
//printf("img_x:%i - img_width:%i\n", img_x, txt_img->width);
// t_coord dist;
// int i;
// int j;
//
// dist.x = (*vec).end.x - (*vec).start.x;
// dist.y = (*vec).end.y - (*vec).start.y;
// i = 0;
// j = 0;
// while (ft_abs(i) <= ft_abs(dist.x) && ft_abs(j) <= ft_abs(dist.y))
// {
// draw_pixel(img, (*vec).start.x + i, (*vec).start.y + j, color);
// if (!ft_abs(dist.x) || ft_abs(j) < ft_abs(i * dist.y / dist.x))
// j += ft_sign(dist.y);
// else
// i += ft_sign(dist.x);
// }
j = 0;
while (j < wall->height)
{
color = get_texture(txt_img, img_x, j, wall->height);
draw_pixel(img, wall->vec.start.x, wall->vec.start.y + j, color);
j++;
}
}
void draw_column(t_game *game, t_rcast *rcast, t_wall *wall, t_txt *txt)
@@ -66,7 +70,7 @@ void draw_column(t_game *game, t_rcast *rcast, t_wall *wall, t_txt *txt)
color_o = 0x00CCCCCC;
draw_floor_ceiling(game, rcast, txt);
if (!rcast->is_x && rcast->slope_y > 0)
draw_txt_line(&game->img, rcast, wall, &txt->img_n, color_n);
draw_txt_column(&game->img, rcast, wall, &txt->img_n, color_n);
if (!rcast->is_x && rcast->slope_y < 0)
draw_line(&game->img, &rcast->wall.vec, color_s);
if (rcast->is_x && rcast->slope_x > 0)