diff options
Diffstat (limited to 'src/texture.c')
| -rw-r--r-- | src/texture.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/texture.c b/src/texture.c index 5be0ca1..a5bf611 100644 --- a/src/texture.c +++ b/src/texture.c @@ -6,16 +6,36 @@ /* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/01 11:38:43 by cacharle #+# #+# */ -/* Updated: 2020/02/02 18:09:00 by cacharle ### ########.fr */ +/* Updated: 2020/02/04 03:34:54 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ #include "cub3d.h" +void texture_render(t_state *state, t_render_state *rstate, int *i) +{ + int tex_x; + int tex_y; + double tex_step; + double tex_pos; + t_image *texture; + + texture = texture_select(state, rstate); + tex_x = texture_x(state, rstate, texture); + tex_step = (double)texture->height / (double)rstate->line_height; + tex_pos = (rstate->draw_start - state->window.height / 2 + + rstate->line_height / 2) * tex_step; + while ((*i)++ < rstate->draw_end) + { + tex_y = (int)tex_pos & (texture->height - 1); + tex_pos += tex_step; + ((t_color*)state->window.data)[*i * state->window.width + rstate->x] = + ((t_color*)texture->data)[texture->height * tex_y + tex_x]; + } +} + t_image *texture_select(t_state *state, t_render_state *rstate) { - /* if (rstate->target == CELL_ITEM) */ - /* return (state->textures + TEX_SPRITE); */ if (rstate->side == SIDE_NS) { if (rstate->map_pos.y < state->pos.y) |