RSE-Texture/src/HMT_Parser.h

109 lines
3.1 KiB
C

#ifndef HMT_PARSER_H_
#define HMT_PARSER_H_
#include <stdio.h>
#include <stdlib.h>
#include "options.h"
#include "RS_images.h"
/////////////////////////////
///// Define HMT types //////
/////////////////////////////
/**
* @brief Material struct inside HMT file type
*
* Actual RE material struct:\n
* 4B material entry count MC\n
* 4B offset after material entries / offset to textures\n
* MC * material entry (36B)\n
* [\n
* 2B int material/texture type:\n
* 1 - material with texture\n
* 2 - material without texture\n
* 2B int texture index\n
* 4B float (scale factor?)\n
* 4B float (always 1.0)\n
* 4B int zero\n
* 4B int 0x0A\n
* 16B name\n
* ]\n
*
* @image html hmt_materialDef.png
*/
typedef struct HMTMaterial {
short type_; /**< Material type:\n 1 = Material with texture\n 2 = Material without texture */
short texture_index;
float unknow1,unknow2;
int zero;
int hex_a;
char name[16];
}HMT_MATERIAL;
/**
* @brief Texture struct inside HMT file type
*
* Actual RE texture struct:\n
* 4B int texcount Tc\n
* TC * texture entry 52B\n
* [\n
* 4B int pixel offset\n
* 28B zero\n
* 4B int palette offset, 0 = no palette\n
* 4B int texname offset\n
* 2B int width\n
* 2B int height\n
* 8B texture format [\n
* 1B int : always 1?\n
* 1B int : bits per sample?\n
* 1B int : subtype:\n
* -0 - palette 16x3B RGB, 4bit per pixel\n
* -1 - 256x3B palette RGB, 8bit per pixel\n
* -3 - RGBA 32bpp\n
* -4 - greyscale, 4bpp\n
* -5 - grayscale, 8bpp\n
* 1B int ? 0, 0x40, 0x80\n
* 4B RGBA transparent color?\n
* ]\n
* ]\n
*
* @image html hmt_textureDef.png
*/
typedef struct HMTTexture {
int data_offset;
int palette_offset;
int textureName_offset;
unsigned long width, height;
char name[16];
RS_IMAGE image;
}HMT_TEXTURE;
/**
* @brief Instance of HMTFile in memory
* This structure contain all parsed data for a single HMT file.
*/
typedef struct HMTFile {
int material_count; /**< Number of materials registered inside HMTFile instance. */
int texture_offset; /**< Address from which texture data begins. */
int texture_count; /**< Number of textures registered inside HMTFile instance. */
HMT_MATERIAL *materials_list; /**< Starting pointer of the materials list. Managed like an array and declared as a pointer */
HMT_TEXTURE *textures_list; /**< Starting pointer of the textures list. Managed like an array and declared as a pointer*/
}HMT_FILE;
/////////////////////////////
///// Declare functions /////
/////////////////////////////
HMT_FILE *parseHMTFile(FILE *hmt_src);
int readMaterial(HMT_MATERIAL *mat, FILE *hmt_src);
int readTexture(HMT_TEXTURE *tex, FILE *hmt_src);
HMT_MATERIAL *getMaterialFromIndex(int i);
HMT_MATERIAL *getMaterialFromName(char *matName);
HMT_TEXTURE *getTextureFromIndex(int i);
HMT_TEXTURE *getTextureFromMaterial(HMT_MATERIAL *mat);
int getPaletteFromFile(RS_IMAGE *img, FILE *f);
int getSamplesFromFile(RS_IMAGE *img, FILE *f);
void purgeHMTFromMemory(HMT_FILE *_f);
#endif