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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_MODEL_H
#define TA_MODEL_H
#include <stdbool.h>
#include <stddef.h>
#include "ta_sdl.h"
#define TA_MODEL_DIMENSION 3
typedef struct ta_model_vertex {
float position[TA_MODEL_DIMENSION];
float normal[TA_MODEL_DIMENSION];
} ta_model_vertex;
typedef struct ta_model_mesh {
ta_model_vertex *vertices;
size_t vertex_count;
} ta_model_mesh;
typedef struct ta_model {
SDL_GPUGraphicsPipeline *pipeline;
SDL_GPUGraphicsPipeline *wireframe_pipeline;
SDL_GPUGraphicsPipeline *shadow_pipeline;
SDL_GPUBuffer *vertex_buffer;
ta_model_mesh mesh;
Uint32 vertex_count;
bool uploaded;
float position[TA_MODEL_DIMENSION];
float rotation[TA_MODEL_DIMENSION];
} ta_model;
bool ta_model_build(const float positions[][TA_MODEL_DIMENSION], size_t position_count, const unsigned int faces[][TA_MODEL_DIMENSION], size_t face_count, ta_model_mesh *mesh);
void ta_model_free(ta_model_mesh *mesh);
bool ta_model_init(ta_model *model, SDL_GPUDevice *device, const float positions[][3], size_t position_count, const unsigned int faces[][TA_MODEL_DIMENSION], size_t face_count, SDL_GPUTextureFormat color_format, SDL_GPUTextureFormat depth_format, SDL_GPUSampleCount sample_count);
void ta_model_upload(ta_model *model, SDL_GPUCommandBuffer *command_buffer, SDL_GPUDevice *device);
void ta_model_render(const ta_model *model, SDL_GPUCommandBuffer *command_buffer, SDL_GPURenderPass *render_pass, int window_width, int window_height);
void ta_model_render_shadow(const ta_model *model, SDL_GPUCommandBuffer *command_buffer, SDL_GPURenderPass *render_pass);
void ta_model_destroy(ta_model *model, SDL_GPUDevice *device);
#endif // TA_MODEL_H
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