sm64coopdx/data/dynos_bin_tex.cpp

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#include "dynos.cpp.h"
extern "C" {
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb/stb_image_write.h"
}
///////////
// Utils //
///////////
static TexData* LoadTextureFromFile(GfxData *aGfxData, const String& aFile) {
// Image file
SysPath _Filename = fstring("%s/%s.png", aGfxData->mPackFolder.c_str(), aFile.begin());
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FILE *_File = fopen(_Filename.c_str(), "rb");
// Check as if we're an Actor.
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if (!_File) {
String _TexturePath = aFile.SubString(aFile.Find('/') + 1); // Remove the "actors/"
SysPath _ActorFilename = fstring("%s/%s.png", aGfxData->mPackFolder.c_str(), _TexturePath.begin());
_File = fopen(_ActorFilename.c_str(), "rb");
// The file does not exist in either spot!
if (!_File) {
PrintError(" ERROR: Unable to open file at \"%s\" or \"%s\"", _Filename.c_str(), _ActorFilename.c_str());
return NULL;
}
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}
// Texture data
fseek(_File, 0, SEEK_END);
TexData* _Texture = New<TexData>();
_Texture->mPngData.Resize(ftell(_File)); rewind(_File);
fread(_Texture->mPngData.begin(), sizeof(u8), _Texture->mPngData.Count(), _File);
fclose(_File);
return _Texture;
}
void DynOS_Tex_ConvertTextureDataToPng(GfxData *aGfxData, TexData* aTexture) {
// Convert to RGBA32
const u8 *_Palette = (aGfxData->mGfxContext.mCurrentPalette ? aGfxData->mGfxContext.mCurrentPalette->mData->mRawData.begin() : NULL);
u8 *_Buffer = DynOS_Gfx_TextureConvertToRGBA32(aTexture->mRawData.begin(), aTexture->mRawData.Count(), aTexture->mRawFormat, aTexture->mRawSize, _Palette);
if (_Buffer == NULL) {
PrintError(" ERROR: Unknown texture format");
return;
}
// Convert to PNG
s32 _PngLength = 0;
u8 *_PngData = stbi_write_png_to_mem(_Buffer, 0, aTexture->mRawWidth, aTexture->mRawHeight, 4, &_PngLength);
if (!_PngData || !_PngLength) {
PrintError(" ERROR: Cannot convert texture to PNG");
return;
}
aTexture->mPngData = Array<u8>(_PngData, _PngData + _PngLength);
Delete(_PngData);
}
/////////////
// Parsing //
/////////////
DataNode<TexData>* DynOS_Tex_Parse(GfxData* aGfxData, DataNode<TexData>* aNode) {
if (aNode->mData) return aNode;
// Check tokens Count
if (aNode->mTokens.Count() < 1) {
PrintError(" ERROR: %s: not enough data", aNode->mName.begin());
return aNode;
}
// #include"[texture].inc.c"
s32 i0 = aNode->mTokens[0].Find("#include");
if (i0 != -1) {
s32 i1 = aNode->mTokens[0].Find(".inc.c");
if (i1 == -1) {
PrintError(" ERROR: %s: missing .inc.c in String %s", aNode->mName.begin(), aNode->mTokens[0].begin());
return aNode;
}
// Filename
String _Filename = aNode->mTokens[0].SubString(i0 + 9, i1 - i0 - 9);
aNode->mData = LoadTextureFromFile(aGfxData, _Filename);
aNode->mLoadIndex = aGfxData->mLoadIndex++;
return aNode;
}
// double quoted String
s32 dq0 = aNode->mTokens[0].Find('\"');
if (dq0 != -1) {
s32 dq1 = aNode->mTokens[0].Find('\"', dq0 + 1);
if (dq1 == -1) {
PrintError(" ERROR: %s: missing second quote in String %s", aNode->mName.begin(), aNode->mTokens[0].begin());
return aNode;
}
// Filename
String _Filename = aNode->mTokens[0].SubString(dq0 + 1, dq1 - dq0 - 1);
aNode->mData = LoadTextureFromFile(aGfxData, _Filename);
aNode->mLoadIndex = aGfxData->mLoadIndex++;
return aNode;
}
// Stream of bytes
aNode->mData = New<TexData>();
aNode->mData->mRawWidth = -1; // Unknown for now, will be set later
aNode->mData->mRawHeight = -1; // Unknown for now, will be set later
aNode->mData->mRawFormat = -1; // Unknown for now, will be set later
aNode->mData->mRawSize = -1; // Unknown for now, will be set later
aNode->mData->mRawData.Resize(aNode->mTokens.Count());
for (u64 j = 0; j != aNode->mTokens.Count(); ++j) {
aNode->mData->mRawData[j] = aNode->mTokens[j].ParseInt();
}
aNode->mLoadIndex = aGfxData->mLoadIndex++;
return aNode;
}
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/////////////
// Writing //
/////////////
void DynOS_Tex_Write(FILE* aFile, GfxData* aGfxData, DataNode<TexData> *aNode) {
if (!aNode->mData) return;
// Header
WriteBytes<u8>(aFile, DATA_TYPE_TEXTURE);
aNode->mName.Write(aFile);
// Data
aNode->mData->mPngData.Write(aFile);
}
/////////////
// Reading //
/////////////
void DynOS_Tex_Load(FILE *aFile, GfxData *aGfxData) {
DataNode<TexData> *_Node = New<DataNode<TexData>>();
// Name
_Node->mName.Read(aFile);
// Data
_Node->mData = New<TexData>();
_Node->mData->mUploaded = false;
_Node->mData->mPngData.Read(aFile);
if (!_Node->mData->mPngData.Empty()) {
u8 *_RawData = stbi_load_from_memory(_Node->mData->mPngData.begin(), _Node->mData->mPngData.Count(), &_Node->mData->mRawWidth, &_Node->mData->mRawHeight, NULL, 4);
_Node->mData->mRawFormat = G_IM_FMT_RGBA;
_Node->mData->mRawSize = G_IM_SIZ_32b;
_Node->mData->mRawData = Array<u8>(_RawData, _RawData + (_Node->mData->mRawWidth * _Node->mData->mRawHeight * 4));
free(_RawData);
} else { // Probably a palette
_Node->mData->mRawData = Array<u8>();
_Node->mData->mRawWidth = 0;
_Node->mData->mRawHeight = 0;
_Node->mData->mRawFormat = 0;
_Node->mData->mRawSize = 0;
}
// Append
aGfxData->mTextures.Add(_Node);
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}