JCS-Prod/RSE-Texture
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Added palette and sample reader

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This commit is contained in:
JackCarterSmith 2019-07-03 16:42:16 +02:00
parent 2d7d2156ff
commit 78d090343f
3 changed files with 48 additions and 20 deletions
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22
src/HMT_Parser.c
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@ -1,10 +1,9 @@
#include "HMT_Parser.h"
int parseHMTFile(FILE *hmt_src, HMT_FILE *dst) {
int result = 0;
int i;
if (hmt_src == NULL) return -1;
if (hmt_src == NULL) return EXIT_FAILURE;
rewind(hmt_src); //Rewind file at the start
fread(&(dst->material_count), 4, 1, hmt_src); // Extract first usefull datas
@ -15,7 +14,7 @@ int parseHMTFile(FILE *hmt_src, HMT_FILE *dst) {
dst->materials_list = calloc(dst->material_count, sizeof(HMT_MATERIAL));
for (i=0; i<dst->material_count; i++) {
// Extract materials datas
if (readMaterial(&(dst->materials_list[i]), hmt_src) != 0) return -1;
if (readMaterial(&(dst->materials_list[i]), hmt_src) != 0) return EXIT_FAILURE;
}
// Read textures
@ -26,28 +25,25 @@ int parseHMTFile(FILE *hmt_src, HMT_FILE *dst) {
dst->textures_list = calloc(dst->texture_count, sizeof(HMT_TEXTURE));
for (i=0; i<dst->texture_count; i++) {
// Extract textures datas
if (readTexture(&(dst->textures_list[i]), hmt_src) != 0) return -1;
if (readTexture(&(dst->textures_list[i]), hmt_src) != 0) return EXIT_FAILURE;
}
}
return result;
return EXIT_SUCCESS;
}
int readMaterial(HMT_MATERIAL *mat, FILE *hmt_src) {
int result = 0;
if (mat == NULL || hmt_src == NULL) return -1;
if (mat == NULL || hmt_src == NULL) return EXIT_FAILURE;
fread(mat, sizeof(HMT_MATERIAL), 1, hmt_src);
if (mat->zero != 0 || mat->hex_a != 0x0A) printf("\n Uncommon file detected!\n");
printf("Material type: %d\nTexture index: %d\n", mat->type_, mat->texture_index);
return result;
return EXIT_SUCCESS;
}
int readTexture(HMT_TEXTURE *tex, FILE *hmt_src) {
int result = 0;
char u0,u1,bpp;
int color_rgba;
long pos;
@ -87,13 +83,13 @@ int readTexture(HMT_TEXTURE *tex, FILE *hmt_src) {
if (tex->palette_offset > 0) {
printf("\nPalette entries: %d\n", tex->image.paletteEntries);
fseek(hmt_src, tex->palette_offset, SEEK_SET);
//loadPalette(&(tex->image), stream);
getPaletteFromFile(&(tex->image), hmt_src);
}
fseek(hmt_src, tex->data_offset, SEEK_SET);
//loadSamples(&(tex->image), stream);
getSamplesFromFile(&(tex->image), hmt_src);
//decodePixels(&(tex->image));
fseek(hmt_src, pos, SEEK_SET);
return result;
return EXIT_SUCCESS;
}

25
src/RS_images.c
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@ -1,5 +1,30 @@
#include "RS_images.h"
void getPaletteFromFile(RS_IMAGE *img, FILE *f) {
int entries = img->paletteEntries;
switch (entries) {
case 16:
case 256:
fread(img->palette, sizeof(unsigned char), entries*3, f);
}
}
void getSamplesFromFile(RS_IMAGE *img, FILE *f) {
int sample_bits = img->sampleBits;
int size = img->width*img->height*div(sample_bits, 8).quot;
if (f->_bufsiz >= ftell(f)+size) {
printf("WARNING! Please fix size/sample.");
abort();
}
img->samples = calloc(1, size);
fread(img->samples, size, 1, f);
if (img->type_ == 2) fread(img->samples, div(size, 4).quot, 1, f);
}
RS_IMAGE_DESC getImageDescFromType(unsigned char type) {
RS_IMAGE_DESC desc;

21
src/RS_images.h
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@ -3,6 +3,13 @@
#include <stdio.h>
#include <stdlib.h>
#if defined(_WIN32)
#include <windows.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#endif
/////////////////////////////
///// Define new types //////
@ -32,12 +39,12 @@ typedef struct RSImage_desc {
/////////////////////////////
///// Declare functions /////
/////////////////////////////
RS_IMAGE_DESC getImageDescFromType(unsigned char type);
void Unpack4To8bit(unsigned char *src, unsigned char *dst, int sampling);
void Unpack4bitTo24bitRGB(unsigned char *src, unsigned char *dst, int size, unsigned char pal[256][3]);
void UseOddBytes(unsigned char *src, unsigned char *dst, int size);
void DecodePixel(RS_IMAGE img);
int WritePaletteToFile(RS_IMAGE img, FILE *f);
int WriteSamplesToFile(RS_IMAGE img, FILE *f);
RS_IMAGE_DESC getImageDescFromType(unsigned char type); //TODO: Optimise function
void unpack4To8bit(unsigned char *src, unsigned char *dst, int sampling);
void unpack4bitTo24bitRGB(unsigned char *src, unsigned char *dst, int size, unsigned char pal[256][3]);
void useOddBytes(unsigned char *src, unsigned char *dst, int size);
void decodePixel(RS_IMAGE img);
void getPaletteFromFile(RS_IMAGE *img, FILE *f);
void getSamplesFromFile(RS_IMAGE *img, FILE *f);
#endif