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Improving rRES custom format support -IN PROGRESS-

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Start removing old rRES functions.
This commit is contained in:
Ray
2016-12-17 19:05:40 +01:00
parent 673ea62b27
commit 814507906f
6 changed files with 9 additions and 379 deletions
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134
src/textures.c
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@ -37,11 +37,10 @@
#include <string.h> // Required for: strcmp(), strrchr(), strncmp()
#include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 3.3 or ES2
// Required: rlglLoadTexture() rlDeleteTextures(),
// rlglGenerateMipmaps(), some funcs for DrawTexturePro()
// Required for: rlglLoadTexture() rlDeleteTextures(),
// rlglGenerateMipmaps(), some funcs for DrawTexturePro()
#include "utils.h" // rRES data decompression utility function
// NOTE: Includes Android fopen function map
#include "utils.h" // Required for: fopen() Android mapping, TraceLog()
// Support only desired texture formats, by default: JPEG, PNG, BMP, TGA
//#define STBI_NO_JPEG // Image format .jpg and .jpeg
@ -216,7 +215,7 @@ Image LoadImageRaw(const char *fileName, int width, int height, int format, int
fread(image.data, size, 1, rawFile);
// TODO: Check if data have been read
// TODO: Check if data has been read
image.width = width;
image.height = height;
@ -229,119 +228,6 @@ Image LoadImageRaw(const char *fileName, int width, int height, int format, int
return image;
}
// Load an image from rRES file (raylib Resource)
// TODO: Review function to support multiple color modes
Image LoadImageFromRES(const char *rresName, int resId)
{
Image image = { 0 };
bool found = false;
char id[4]; // rRES file identifier
unsigned char version; // rRES file version and subversion
char useless; // rRES header reserved data
short numRes;
ResInfoHeader infoHeader;
FILE *rresFile = fopen(rresName, "rb");
if (rresFile == NULL)
{
TraceLog(WARNING, "[%s] rRES raylib resource file could not be opened", rresName);
}
else
{
// Read rres file (basic file check - id)
fread(&id[0], sizeof(char), 1, rresFile);
fread(&id[1], sizeof(char), 1, rresFile);
fread(&id[2], sizeof(char), 1, rresFile);
fread(&id[3], sizeof(char), 1, rresFile);
fread(&version, sizeof(char), 1, rresFile);
fread(&useless, sizeof(char), 1, rresFile);
if ((id[0] != 'r') && (id[1] != 'R') && (id[2] != 'E') &&(id[3] != 'S'))
{
TraceLog(WARNING, "[%s] This is not a valid raylib resource file", rresName);
}
else
{
// Read number of resources embedded
fread(&numRes, sizeof(short), 1, rresFile);
for (int i = 0; i < numRes; i++)
{
fread(&infoHeader, sizeof(ResInfoHeader), 1, rresFile);
if (infoHeader.id == resId)
{
found = true;
// Check data is of valid IMAGE type
if (infoHeader.type == 0) // IMAGE data type
{
// TODO: Check data compression type
// NOTE: We suppose compression type 2 (DEFLATE - default)
short imgWidth, imgHeight;
char colorFormat, mipmaps;
fread(&imgWidth, sizeof(short), 1, rresFile); // Image width
fread(&imgHeight, sizeof(short), 1, rresFile); // Image height
fread(&colorFormat, 1, 1, rresFile); // Image data color format (default: RGBA 32 bit)
fread(&mipmaps, 1, 1, rresFile); // Mipmap images included (default: 0)
image.width = (int)imgWidth;
image.height = (int)imgHeight;
unsigned char *compData = malloc(infoHeader.size);
fread(compData, infoHeader.size, 1, rresFile);
unsigned char *imgData = DecompressData(compData, infoHeader.size, infoHeader.srcSize);
// TODO: Review color mode
//image.data = (unsigned char *)malloc(sizeof(unsigned char)*imgWidth*imgHeight*4);
image.data = imgData;
//free(imgData);
free(compData);
TraceLog(INFO, "[%s] Image loaded successfully from resource, size: %ix%i", rresName, image.width, image.height);
}
else
{
TraceLog(WARNING, "[%s] Required resource do not seem to be a valid IMAGE resource", rresName);
}
}
else
{
// Depending on type, skip the right amount of parameters
/* TODO: Review
switch (infoHeader.type)
{
case 0: fseek(rresFile, 6, SEEK_CUR); break; // IMAGE: Jump 6 bytes of parameters
case 1: fseek(rresFile, 6, SEEK_CUR); break; // SOUND: Jump 6 bytes of parameters
case 2: fseek(rresFile, 5, SEEK_CUR); break; // MODEL: Jump 5 bytes of parameters (TODO: Review)
case 3: break; // TEXT: No parameters
case 4: break; // RAW: No parameters
default: break;
}
*/
// Jump DATA to read next infoHeader
fseek(rresFile, infoHeader.size, SEEK_CUR);
}
}
}
fclose(rresFile);
}
if (!found) TraceLog(WARNING, "[%s] Required resource id [%i] could not be found in the raylib resource file", rresName, resId);
return image;
}
// Load an image as texture into GPU memory
Texture2D LoadTexture(const char *fileName)
{
@ -378,18 +264,6 @@ Texture2D LoadTextureEx(void *data, int width, int height, int textureFormat)
return texture;
}
// Load an image as texture from rRES file (raylib Resource)
Texture2D LoadTextureFromRES(const char *rresName, int resId)
{
Texture2D texture;
Image image = LoadImageFromRES(rresName, resId);
texture = LoadTextureFromImage(image);
UnloadImage(image);
return texture;
}
// Load a texture from image data
// NOTE: image is not unloaded, it must be done manually
Texture2D LoadTextureFromImage(Image image)