From 251b611fef77533082165bab0b88eefa05b49fbe Mon Sep 17 00:00:00 2001 From: Connor Thomson Date: Sat, 12 Sep 2026 14:16:55 -0700 Subject: Add simple shadows --- include/shadow.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 include/shadow.h (limited to 'include/shadow.h') diff --git a/include/shadow.h b/include/shadow.h new file mode 100644 index 0000000..0087ef4 --- /dev/null +++ b/include/shadow.h @@ -0,0 +1,41 @@ +/* + * Tuxánci 2 - A first person shooter + * Copyright (C) 2025-2026 Connor Thomson + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#ifndef TA_SHADOW_H +#define TA_SHADOW_H + +#include "ta_sdl.h" + +#define TA_SHADOW_DIMENSION 3 +#define TA_SHADOW_MAP_SIZE 2048u +#define TA_SHADOW_FORMAT SDL_GPU_TEXTUREFORMAT_D32_FLOAT + +extern SDL_GPUTexture *ta_shadow_texture; +extern SDL_GPUSampler *ta_shadow_sampler; +extern float ta_shadow_light_direction[TA_SHADOW_DIMENSION]; +extern float ta_shadow_normal_offset; +extern float ta_shadow_minimum_bias; +extern float ta_shadow_maximum_bias; +extern float ta_shadow_strength; + +void ta_shadow_init(void); +void ta_shadow_get_light_view_projection(float *matrix); +SDL_GPURenderPass *ta_shadow_begin_render_pass(SDL_GPUCommandBuffer *command_buffer); +void ta_shadow_shutdown(void); + +#endif // TA_SHADOW_H -- cgit v1.2.3