Some work on rres...
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raysan5
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4a8644e999
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115
src/rres.h
115
src/rres.h
@ -34,6 +34,14 @@
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*
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**********************************************************************************************/
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/*
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References:
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RIFF file-format: http://www.johnloomis.org/cpe102/asgn/asgn1/riff.html
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ZIP file-format: https://en.wikipedia.org/wiki/Zip_(file_format)
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http://www.onicos.com/staff/iz/formats/zip.html
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XNB file-format: http://xbox.create.msdn.com/en-US/sample/xnb_format
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*/
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#ifndef RRES_H
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#define RRES_H
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@ -75,6 +83,9 @@
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void *data; // Resource data pointer (4 byte)
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} RRESData;
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// RRES type (pointer to RRESData array)
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typedef struct RRESData *RRES; // Resource pointer
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// RRESData type
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typedef enum {
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RRES_TYPE_RAW = 0,
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@ -83,12 +94,25 @@
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RRES_TYPE_VERTEX,
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RRES_TYPE_TEXT,
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RRES_TYPE_FONT_IMAGE,
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RRES_TYPE_FONT_CHARDATA, // Character { int value, recX, recY, recWidth, recHeight, offsetX, offsetY, xAdvance }
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RRES_TYPE_FONT_CHARDATA, // CharInfo { int value, recX, recY, recWidth, recHeight, offsetX, offsetY, xAdvance }
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RRES_TYPE_DIRECTORY
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} RRESDataType;
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// RRES type (pointer to RRESData array)
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typedef struct RRESData *RRES;
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// Parameters information depending on resource type
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// RRES_TYPE_RAW params: <custom>
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// RRES_TYPE_IMAGE params: width, height, mipmaps, format
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// RRES_TYPE_WAVE params: sampleCount, sampleRate, sampleSize, channels
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// RRES_TYPE_VERTEX params: vertexCount, vertexType, vertexFormat // Use masks instead?
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// RRES_TYPE_TEXT params: charsCount, cultureCode
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// RRES_TYPE_FONT_IMAGE params: width, height, format, mipmaps;
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// RRES_TYPE_FONT_CHARDATA params: charsCount, baseSize
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// RRES_TYPE_DIRECTORY params: fileCount, directoryCount
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// SpriteFont = RRES_TYPE_FONT_IMAGE chunk + RRES_TYPE_FONT_DATA chunk
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// Mesh = multiple RRES_TYPE_VERTEX chunks
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#endif
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//----------------------------------------------------------------------------------
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@ -103,6 +127,54 @@
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RRESDEF RRES LoadResource(const char *fileName, int rresId);
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RRESDEF void UnloadResource(RRES rres);
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/*
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QUESTION: How to load each type of data from RRES ?
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rres->type == RRES_TYPE_RAW
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unsigned char data = (unsigned char *)rres[0]->data;
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rres->type == RRES_TYPE_IMAGE
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Image image;
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image.data = rres[0]->data; // Be careful, duplicate pointer
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image.width = rres[0]->param1;
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image.height = rres[0]->param2;
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image.mipmaps = rres[0]->param3;
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image.format = rres[0]->format;
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rres->type == RRES_TYPE_WAVE
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Wave wave;
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wave.data = rres[0]->data;
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wave.sampleCount = rres[0]->param1;
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wave.sampleRate = rres[0]->param2;
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wave.sampleSize = rres[0]->param3;
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wave.channels = rres[0]->param4;
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rres->type == RRES_TYPE_VERTEX (multiple parts)
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Mesh mesh;
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mesh.vertexCount = rres[0]->param1;
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mesh.vertices = (float *)rres[0]->data;
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mesh.texcoords = (float *)rres[1]->data;
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mesh.normals = (float *)rres[2]->data;
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mesh.tangents = (float *)rres[3]->data;
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mesh.tangents = (unsigned char *)rres[4]->data;
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rres->type == RRES_TYPE_TEXT
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unsigned char *text = (unsigned char *)rres->data;
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Shader shader = LoadShaderText(text, rres->param1); Shader LoadShaderText(const char *shdrText, int length);
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rres->type == RRES_TYPE_FONT_IMAGE (multiple parts)
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rres->type == RRES_TYPE_FONT_CHARDATA
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SpriteFont font;
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font.texture = LoadTextureFromImage(image); // rres[0]
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font.chars = (CharInfo *)rres[1]->data;
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font.charsCount = rres[1]->param1;
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font.baseSize = rres[1]->param2;
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rres->type == RRES_TYPE_DIRECTORY
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unsigned char *fileNames = (unsigned char *)rres[0]->data; // fileNames separed by \n
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int filesCount = rres[0]->param1;
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*/
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#endif // RRES_H
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@ -169,6 +241,7 @@ typedef enum {
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// gzip, zopfli, lzo, zstd // Other compression algorythms...
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} RRESCompressionType;
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// Encryption types
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typedef enum {
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RRES_CRYPTO_NONE = 0, // No data encryption
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RRES_CRYPTO_XOR, // XOR (128 bit) encryption
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@ -179,6 +252,7 @@ typedef enum {
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// twofish, RC5, RC6 // Other encryption algorythm...
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} RRESEncryptionType;
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// Image/Texture data type
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typedef enum {
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RRES_IM_UNCOMP_GRAYSCALE = 1, // 8 bit per pixel (no alpha)
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RRES_IM_UNCOMP_GRAY_ALPHA, // 16 bpp (2 channels)
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@ -201,6 +275,7 @@ typedef enum {
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//...
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} RRESImageFormat;
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// Vertex data type
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typedef enum {
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RRES_VERT_POSITION,
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RRES_VERT_TEXCOORD1,
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@ -214,6 +289,7 @@ typedef enum {
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//...
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} RRESVertexType;
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// Vertex data format type
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typedef enum {
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RRES_VERT_BYTE,
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RRES_VERT_SHORT,
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@ -275,10 +351,10 @@ RRESDEF RRES LoadResource(const char *fileName, int rresId)
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// Read resource info and parameters
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fread(&infoHeader, sizeof(RRESInfoHeader), 1, rresFile);
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rres = (RRES)malloc(sizeof(RRESData)*infoHeader.partsCount);
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if (infoHeader.id == rresId)
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{
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rres = (RRES)malloc(sizeof(RRESData)*infoHeader.partsCount);
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// Load all required resources parts
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for (int k = 0; k < infoHeader.partsCount; k++)
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{
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@ -327,8 +403,11 @@ RRESDEF RRES LoadResource(const char *fileName, int rresId)
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return rres;
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}
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// Unload resource data
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RRESDEF void UnloadResource(RRES rres)
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{
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// TODO: When you load resource... how many parts conform it? depends on type? --> Not clear...
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if (rres[0].data != NULL) free(rres[0].data);
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}
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@ -401,28 +480,4 @@ void TraceLog(int logType, const char *text, ...)
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}
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#endif
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#endif // RAYGUI_IMPLEMENTATION
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/*
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Mesh LoadMeshEx(int numVertex, float *vData, float *vtData, float *vnData, Color *cData);
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Mesh LoadMeshEx(rres.param1, rres.data, rres.data + offset, rres.data + offset*2, rres.data + offset*3);
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Shader LoadShader(const char *vsText, int vsLength);
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Shader LoadShaderV(rres.data, rres.param1);
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// Parameters information depending on resource type
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// RRES_TYPE_IMAGE params: imgWidth, imgHeight, format, mipmaps;
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// RRES_TYPE_WAVE params: sampleCount, sampleRate, sampleSize, channels;
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// RRES_TYPE_FONT_IMAGE params: imgWidth, imgHeight, format, mipmaps;
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// RRES_TYPE_FONT_DATA params: charsCount, baseSize
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// RRES_TYPE_VERTEX params: vertexCount, vertexType, vertexFormat // Use masks instead?
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// RRES_TYPE_TEXT params: charsCount, cultureCode
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// RRES_TYPE_DIRECTORY params: fileCount, directoryCount
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// SpriteFont = RRES_TYPE_FONT_IMAGE chunk + RRES_TYPE_FONT_DATA chunk
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// Mesh = multiple RRES_TYPE_VERTEX chunks
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Ref: RIFF file-format: http://www.johnloomis.org/cpe102/asgn/asgn1/riff.html
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*/
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#endif // RRES_IMPLEMENTATION
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