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+/*
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#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