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Work on rres file format -IN PROGRESS-

pull/218/head
raysan5 8 years ago
parent
e5a2def57f
commit
53457e4664
1 changed files with 87 additions and 93 deletions
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  1. +87
    -93
      src/rres.h

+ 87
- 93
src/rres.h View File

@ -61,6 +61,7 @@
//----------------------------------------------------------------------------------
#if defined(RRES_STANDALONE)
// rRES data returned when reading a resource, it contains all required data for user (24 byte)
// NOTE: Using void *data pointer, so we can load to image.data, wave.data, mesh.*, (unsigned char *)
typedef struct {
unsigned int type; // Resource type (4 byte)
@ -73,11 +74,14 @@
} RRESData;
typedef enum {
RRES_RAW = 0,
RRES_IMAGE,
RRES_WAVE,
RRES_VERTEX,
RRES_TEXT
RRES_TYPE_RAW = 0,
RRES_TYPE_IMAGE,
RRES_TYPE_WAVE,
RRES_TYPE_VERTEX,
RRES_TYPE_TEXT,
RRES_TYPE_FONT_IMAGE,
RRES_TYPE_FONT_DATA, // Character { int value, recX, recY, recWidth, recHeight, offsetX, offsetY, xAdvance }
RRES_TYPE_DIRECTORY
} RRESDataType;
#endif
@ -133,11 +137,13 @@ typedef struct {
unsigned short count; // Number of resources in this file (2 byte)
} RRESFileHeader;
// rRES info header, every resource includes this header (12 byte + 16 byte)
// rRES info header, every resource includes this header (16 byte + 16 byte)
typedef struct {
unsigned short id; // Resource unique identifier (2 byte)
unsigned int id; // Resource unique identifier (4 byte)
unsigned char dataType; // Resource data type (1 byte)
unsigned char compType; // Resource data compression type (1 byte)
unsigned char cryptoType; // Resource data encryption type (1 byte)
unsigned char partsCount; // Resource data parts count, used for splitted data (1 byte)
unsigned int dataSize; // Resource data size (compressed or not, only DATA) (4 byte)
unsigned int uncompSize; // Resource data size (uncompressed, only DATA) (4 byte)
@ -153,11 +159,66 @@ typedef enum {
RRES_COMP_DEFLATE, // DEFLATE compression
RRES_COMP_LZ4, // LZ4 compression
RRES_COMP_LZMA, // LZMA compression
// brotli, zopfli, gzip // Other compression algorythms...
RRES_COMP_BROTLI, // BROTLI compression
// gzip, zopfli, lzo, zstd // Other compression algorythms...
} RRESCompressionType;
typedef enum {
RRES_CRYPTO_NONE = 0, // No data encryption
RRES_CRYPTO_XOR, // XOR (128 bit) encryption
RRES_CRYPTO_AES, // RIJNDAEL (128 bit) encryption (AES)
RRES_CRYPTO_TDES, // Triple DES encryption
RRES_CRYPTO_BLOWFISH, // BLOWFISH encryption
RRES_CRYPTO_XTEA, // XTEA encryption
// twofish, RC5, RC6 // Other encryption algorythm...
} RRESEncryptionType;
typedef enum {
RRES_IM_UNCOMP_GRAYSCALE = 1, // 8 bit per pixel (no alpha)
RRES_IM_UNCOMP_GRAY_ALPHA, // 16 bpp (2 channels)
RRES_IM_UNCOMP_R5G6B5, // 16 bpp
RRES_IM_UNCOMP_R8G8B8, // 24 bpp
RRES_IM_UNCOMP_R5G5B5A1, // 16 bpp (1 bit alpha)
RRES_IM_UNCOMP_R4G4B4A4, // 16 bpp (4 bit alpha)
RRES_IM_UNCOMP_R8G8B8A8, // 32 bpp
RRES_IM_COMP_DXT1_RGB, // 4 bpp (no alpha)
RRES_IM_COMP_DXT1_RGBA, // 4 bpp (1 bit alpha)
RRES_IM_COMP_DXT3_RGBA, // 8 bpp
RRES_IM_COMP_DXT5_RGBA, // 8 bpp
RRES_IM_COMP_ETC1_RGB, // 4 bpp
RRES_IM_COMP_ETC2_RGB, // 4 bpp
RRES_IM_COMP_ETC2_EAC_RGBA, // 8 bpp
RRES_IM_COMP_PVRT_RGB, // 4 bpp
RRES_IM_COMP_PVRT_RGBA, // 4 bpp
RRES_IM_COMP_ASTC_4x4_RGBA, // 8 bpp
RRES_IM_COMP_ASTC_8x8_RGBA // 2 bpp
//...
} RRESImageFormat;
typedef enum {
RRES_VERT_POSITION,
RRES_VERT_TEXCOORD1,
RRES_VERT_TEXCOORD2,
RRES_VERT_TEXCOORD3,
RRES_VERT_TEXCOORD4,
RRES_VERT_NORMAL,
RRES_VERT_TANGENT,
RRES_VERT_COLOR,
RRES_VERT_INDEX,
//...
} RRESVertexType;
typedef enum {
RRES_VERT_BYTE,
RRES_VERT_SHORT,
RRES_VERT_INT,
RRES_VERT_HFLOAT,
RRES_VERT_FLOAT,
//...
} RRESVertexFormat;
#if defined(RRES_STANDALONE)
typedef enum { INFO = 0, ERROR, WARNING, DEBUG, OTHER } TraceLogType;
typedef enum { LOG_INFO = 0, LOG_ERROR, LOG_WARNING, LOG_DEBUG, LOG_OTHER } TraceLogType;
#endif
//----------------------------------------------------------------------------------
@ -178,61 +239,11 @@ static void *DecompressData(const unsigned char *data, unsigned long compSize, i
// NOTE: Returns uncompressed data with parameters, only first resource found
RRESDEF RRESData LoadResource(const char *fileName)
{
// Force loading first resource available
RRESData rres = { 0 };
RRESFileHeader fileHeader;
RRESInfoHeader infoHeader;
FILE *rresFile = fopen(fileName, "rb");
if (rresFile == NULL) TraceLog(WARNING, "[%s] rRES raylib resource file could not be opened", fileName);
else
{
// Read rres file info header
fread(&fileHeader.id[0], sizeof(char), 1, rresFile);
fread(&fileHeader.id[1], sizeof(char), 1, rresFile);
fread(&fileHeader.id[2], sizeof(char), 1, rresFile);
fread(&fileHeader.id[3], sizeof(char), 1, rresFile);
fread(&fileHeader.version, sizeof(short), 1, rresFile);
fread(&fileHeader.count, sizeof(short), 1, rresFile);
// Verify "rRES" identifier
if ((fileHeader.id[0] != 'r') && (fileHeader.id[1] != 'R') && (fileHeader.id[2] != 'E') && (fileHeader.id[3] != 'S'))
{
TraceLog(WARNING, "[%s] This is not a valid raylib resource file", fileName);
}
else
{
// Read first resource info and parameters
fread(&infoHeader, sizeof(RRESInfoHeader), 1, rresFile);
// Register data type and parameters
rres.type = infoHeader.dataType;
rres.param1 = infoHeader.param1;
rres.param2 = infoHeader.param2;
rres.param3 = infoHeader.param3;
rres.param4 = infoHeader.param4;
// Read resource data block
void *data = RRES_MALLOC(infoHeader.dataSize);
fread(data, infoHeader.dataSize, 1, rresFile);
if (infoHeader.compType == RRES_COMP_DEFLATE)
{
void *uncompData = DecompressData(data, infoHeader.dataSize, infoHeader.uncompSize);
rres.data = uncompData;
RRES_FREE(data);
}
else rres.data = data;
if (rres.data != NULL) TraceLog(INFO, "[%s] Resource data loaded successfully", fileName);
}
fclose(rresFile);
}
rres = LoadResourceById(fileName, 0);
return rres;
}
@ -293,7 +304,9 @@ RRESDEF RRESData LoadResourceById(const char *fileName, int rresId)
}
else rres.data = data;
if (rres.data != NULL) TraceLog(INFO, "[%s][ID %i] Resource data loaded successfully", fileName, (int)rresId);
if (rres.data != NULL) TraceLog(INFO, "[%s][ID %i] Resource data loaded successfully", fileName, (int)infoHeader.id);
if (rresId == 0) break; // Break for loop, do not check next resource
}
else
{
@ -302,7 +315,7 @@ RRESDEF RRESData LoadResourceById(const char *fileName, int rresId)
}
}
if (rres.data == NULL) TraceLog(WARNING, "[%s][ID %i] Requested resource could not be found, wrong id?", fileName, (int)rresId);
if (rres.data == NULL) TraceLog(WARNING, "[%s][ID %i] Requested resource could not be found", fileName, (int)rresId);
}
fclose(rresFile);
@ -364,7 +377,7 @@ static void *DecompressData(const unsigned char *data, unsigned long compSize, i
#if defined(RRES_STANDALONE)
// Outputs a trace log message (INFO, ERROR, WARNING)
// NOTE: If a file has been init, output log is written there
void TraceLog(int msgType, const char *text, ...)
void TraceLog(int logType, const char *text, ...)
{
va_list args;
int traceDebugMsgs = 0;
@ -375,14 +388,14 @@ void TraceLog(int msgType, const char *text, ...)
switch (msgType)
{
case INFO: fprintf(stdout, "INFO: "); break;
case ERROR: fprintf(stdout, "ERROR: "); break;
case WARNING: fprintf(stdout, "WARNING: "); break;
case DEBUG: if (traceDebugMsgs) fprintf(stdout, "DEBUG: "); break;
case LOG_INFO: fprintf(stdout, "INFO: "); break;
case LOG_ERROR: fprintf(stdout, "ERROR: "); break;
case LOG_WARNING: fprintf(stdout, "WARNING: "); break;
case LOG_DEBUG: if (traceDebugMsgs) fprintf(stdout, "DEBUG: "); break;
default: break;
}
if ((msgType != DEBUG) || ((msgType == DEBUG) && (traceDebugMsgs)))
if ((msgType != LOG_DEBUG) || ((msgType == LOG_DEBUG) && (traceDebugMsgs)))
{
va_start(args, text);
vfprintf(stdout, text, args);
@ -397,33 +410,13 @@ void TraceLog(int msgType, const char *text, ...)
#endif // RAYGUI_IMPLEMENTATION
/*
//T LoadResource(const char *rresFileName, int resId);
// ASSUMPTION: rRES files only contain one resource (solution to id requirement...)
// Now, rres file check and data loading can be managed inside each function:
Image LoadImage(); // -> Texture2D
Wave LoadWave() // -> Sound, Music
const char *LoadText(); // -> Shader, Material
// NOTE: RRESData uses void* data pointer, so we can load to image.data, wave.data, mesh.*, (unsigned char *)
Image LoadImagePro(void *data, int width, int height, int format);
Image LoadImagePro(rres.data, rres.param1, rres.param2, rres.param3);
Mesh LoadMeshEx(int numVertex, float *vData, float *vtData, float *vnData, Color *cData);
Mesh LoadMeshEx(rres.param1, rres.data, rres.data + offset, rres.data + offset*2, rres.data + offset*3);
Shader LoadShaderV(const char *vsText, int vsLength);
Shader LoadShader(const char *vsText, int vsLength);
Shader LoadShaderV(rres.data, rres.param1);
Wave LoadWaveEx(void *data, int sampleCount, int sampleRate, int sampleSize, int channels);
Wave LoadWaveEx(rres.data, rres.param1, (int)rres.param2, (int)rres.param3, (int)rres.param4);
// Max value for an unsigned short: 65535
// Parameters information depending on resource type (IMAGE, WAVE, MESH, TEXT)
// Image data params
@ -431,6 +424,7 @@ int imgWidth, imgHeight;
char colorFormat, mipmaps;
// Wave data params
int sampleCount,
short sampleRate, bps;
char channels, reserved;
@ -439,6 +433,6 @@ int vertexCount, reserved;
short vertexTypesMask, vertexFormatsMask;
// Text data params
int numChars;
char textFormat, language, charsetCode;
int charsCount;
int cultureCode;
*/

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