diff options
Diffstat (limited to 'src/ft_draw_sprite.c')
-rw-r--r-- | src/ft_draw_sprite.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/ft_draw_sprite.c b/src/ft_draw_sprite.c new file mode 100644 index 0000000..38c1fd9 --- /dev/null +++ b/src/ft_draw_sprite.c @@ -0,0 +1,44 @@ +#include <libft.h> +#include <cub3d.h> +#include <stdint.h> +#include <stdlib.h> +#include <math.h> + +void +ft_draw_verline_sprite(t_cub *cl, int x, int y, int tex_y) +{ + cl->img.ptr[x * 4 + (cl->img.sizeline * y)] = + (char)cl->tlist[cl->w_side].ptr[cl->tlist[cl->w_side].tex_x * 4 + 4 * + cl->tlist[cl->w_side].img_h * tex_y]; + cl->img.ptr[x * 4 + (cl->img.sizeline * y) + 1] = + (char)cl->tlist[cl->w_side].ptr[cl->tlist[cl->w_side].tex_x * 4 + 4 * + cl->tlist[cl->w_side].img_h * tex_y + 1]; + cl->img.ptr[x * 4 + (cl->img.sizeline * y) + 2] = + (char)cl->tlist[cl->w_side].ptr[cl->tlist[cl->w_side].tex_x * 4 + 4 * + cl->tlist[cl->w_side].img_h * tex_y + 2]; + cl->img.ptr[x * 4 + cl->wlist->x_size * y + 3] = (char)0; +} + +void +ft_draw_sprite(t_cub *cl, int x) +{ + int ver_it;/*stripe*/ + int hor_it;/*y*/ + int tex_x; + int tex_y; + int d; + + ver_it = cl->sp_list.s_start_x; + while (ver_it < cl->sp_list.s_end_x) + { + tex_x = (int)(256 * (ver_it - (-cl->sp_list.s_w / 2 + cl->sp_list.s_screen_x)) * cl->tlist[4].img_w / cl->sp_list.s_w) / 256; + hor_it = cl->sp_list.s_start_y; + while (hor_it < cl->sp_list.s_end_y) + { + d = hor_it * 256 - cl->wlist->y_size * 128 + cl->sp_list.s_h * 128; + tex_y = ((d * cl->tlist[4].img_h) / cl->sp_list.s_h) / 256; + ft_draw_verline_sprite(cl, x, hor_it, tex_y); + } + ver_it++; + } +} |