textures.h

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/* This file is part of LibT2FS.
 *
 * LibT2FS 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.
 *
 * LibT2FS 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 H_T2FS_TEXTURES
#define H_T2FS_TEXTURES
 
#include <stdint.h>
 
#include "t2fs.h"
#include "models/common.h"
 
 
// ********************************************************************
// Structs as in file (possible after decompression and/or deinterleaving)
// ********************************************************************

typedef struct __attribute__((__packed__)) s_T2FSDataTextureHeader {
  uint8_t type;
  uint8_t unk1;
  uint8_t width;  
  uint8_t height; 
  uint16_t unk2;  
  uint16_t unk3;  
} T2FSDataTextureHeader;
 
SASSERT_SIZE(T2FSDataTextureHeader, 8)
 
 
// ********************************************************************
// Our structs
// ********************************************************************
 
typedef struct s_T2FSTexture {
  T2FSNode *node;
  T2FSNode *framesNode;
  T2FSNode *palettesNode;
  T2FSDataTextureHeader *header;
  uint32_t frameCount;
  uint32_t frameSize;
  uint32_t paletteCount;
  uint32_t paletteSize;
  uint32_t width;
  uint32_t height;
  uint8_t *name;
 
  uint32_t currentFrame;
  uint8_t *frameData;
  uint8_t *paletteData;
 
  uint8_t paletteRed[256];
  uint8_t paletteGreen[256];
  uint8_t paletteBlue[256];
  uint8_t paletteAlpha[256];
 
  uint8_t isValid;
} T2FSTexture;
 
 
void
t2fs_texture_clear(T2FSTexture *texture);
 
uint32_t
t2fs_texture_count(T2FSContext *ctx);
 
// user should check frameIndex sanity..
void
t2fs_texture_set_frame(T2FSTexture *texture, uint32_t frameIndex);
 
int
t2fs_texture_load(T2FSContext *ctx, T2FSTexture* texture, uint32_t id);
 
void
t2fs_texture_unload(T2FSTexture* texture);
 
#endif