sm64coopdx/data/dynos_bin_read.cpp

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#include "dynos.cpp.h"
enum {
COMMENT_NONE = 0,
COMMENT_START, // first slash
COMMENT_SINGLE_LINE, // double slash, reset to COMMENT_NONE if \\n is hit
COMMENT_BLOCK, // slash-star, set to comment block end if * is hit
COMMENT_BLOCK_END, // slash-star-star, set to comment none if / is hit, else return to COMMENT_BLOCK
};
struct IfDefPtr { const char *mPtr; u64 mSize; bool mErase; };
static IfDefPtr GetNearestIfDefPointer(char *pFileBuffer) {
static const IfDefPtr sIfDefs[] = {
{ "#ifdef VERSION_JP", 17, true },
{ "#ifndef VERSION_JP", 18, false },
{ "#ifdef VERSION_EU", 17, true },
{ "#ifdef TEXTURE_FIX", 18, false },
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{ "#if defined(VERSION_JP) || defined(VERSION_SH)", 47, false },
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};
IfDefPtr _Nearest = { NULL, 0, false };
for (const auto &_IfDef : sIfDefs) {
const char *_Ptr = strstr(pFileBuffer, _IfDef.mPtr);
if (_Ptr != NULL && (_Nearest.mPtr == NULL || _Nearest.mPtr > _Ptr)) {
_Nearest.mPtr = _Ptr;
_Nearest.mSize = _IfDef.mSize;
_Nearest.mErase = _IfDef.mErase;
}
}
return _Nearest;
}
char *DynOS_Read_Buffer(FILE* aFile, GfxData* aGfxData) {
fseek(aFile, 0, SEEK_END);
s32 _Length = ftell(aFile);
if (aGfxData && aGfxData->mModelIdentifier == 0) {
aGfxData->mModelIdentifier = (u32) _Length;
}
// Remove comments
rewind(aFile);
char *_FileBuffer = New<char>(_Length + 1);
char *pFileBuffer = _FileBuffer;
char _Previous = 0;
char _Current = 0;
s32 _CommentType = 0;
while (fread(&_Current, 1, 1, aFile)) {
if (_CommentType == COMMENT_NONE) {
if (_Current == '/') {
_CommentType = COMMENT_START;
} else {
*(pFileBuffer++) = _Current;
}
} else if (_CommentType == COMMENT_START) {
if (_Current == '/') {
_CommentType = COMMENT_SINGLE_LINE;
} else if (_Current == '*') {
_CommentType = COMMENT_BLOCK;
} else {
_CommentType = COMMENT_NONE;
*(pFileBuffer++) = _Previous;
*(pFileBuffer++) = _Current;
}
} else if (_CommentType == COMMENT_SINGLE_LINE) {
if (_Current == '\n') {
_CommentType = COMMENT_NONE;
*(pFileBuffer++) = _Current;
}
} else if (_CommentType == COMMENT_BLOCK) {
if (_Current == '*') {
_CommentType = COMMENT_BLOCK_END;
}
} else if (_CommentType == COMMENT_BLOCK_END) {
if (_Current == '/') {
_CommentType = COMMENT_NONE;
} else {
_CommentType = COMMENT_BLOCK;
}
}
_Previous = _Current;
}
*(pFileBuffer++) = 0;
// Remove ifdef blocks
// Doesn't support nested blocks
for (pFileBuffer = _FileBuffer; pFileBuffer != NULL;) {
IfDefPtr _IfDefPtr = GetNearestIfDefPointer(pFileBuffer);
if (_IfDefPtr.mPtr) {
char *pIfDef = (char *) _IfDefPtr.mPtr;
char *pElse = (char *) strstr(_IfDefPtr.mPtr, "#else");
char *pEndIf = (char *) strstr(_IfDefPtr.mPtr, "#endif");
if (pElse && pElse < pEndIf) {
if (_IfDefPtr.mErase) memset(pIfDef, ' ', pElse + 5 - pIfDef);
else memset(pElse, ' ', pEndIf - pElse);
} else {
if (_IfDefPtr.mErase) memset(pIfDef, ' ', pEndIf - pIfDef);
}
memset(pIfDef, ' ', _IfDefPtr.mSize);
memset(pEndIf, ' ', 6);
pFileBuffer = pEndIf;
} else {
pFileBuffer = NULL;
}
}
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// Make sure it's NULL terminated
_FileBuffer[_Length] = '\0';
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return _FileBuffer;
}
template <typename T>
static void AppendNewNode(GfxData *aGfxData, DataNodes<T> &aNodes, const String &aName, String *&aDataName, Array<String> *&aDataTokens) {
DataNode<T> *_Node = New<DataNode<T>>();
_Node->mName = aName;
_Node->mModelIdentifier = aGfxData->mModelIdentifier;
aNodes.Add(_Node);
aDataName = &_Node->mName;
aDataTokens = &_Node->mTokens;
}
void DynOS_Read_Source(GfxData *aGfxData, const SysPath &aFilename) {
FILE *_File = fopen(aFilename.c_str(), "rb");
if (!_File) return;
// Load file into a buffer while removing all comments
char *_FileBuffer = DynOS_Read_Buffer(_File, aGfxData);
fclose(_File);
// Scanning the loaded data
s32 _DataType = DATA_TYPE_NONE;
String* pDataName = NULL;
Array<String> *pDataTokens = NULL;
char *pDataStart = NULL;
bool _DataIgnore = false; // Needed to ignore the '#include "file.h"' strings
String _Buffer = "";
for (char *c = _FileBuffer; *c != 0; ++c) {
// Scanning data type
if (_DataType == DATA_TYPE_NONE) {
// skip entire line of includes and externs
if (!strncmp(c, "#include", 8) || !strncmp(c, "extern ", 7)) {
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while (*c != '\n' && *c != '\0') {
c++;
}
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if (*c == '\0') {
break;
}
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}
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// Reading data type name
if ((*c >= 'A' && *c <= 'Z') || (*c >= 'a' && *c <= 'z') || (*c >= '0' && *c <= '9') || (*c == '_') || (*c == '\"')) {
if (*c == '\"') {
_DataIgnore = !_DataIgnore;
} else if (!_DataIgnore) {
_Buffer.Add(*c);
}
} else if (*c == '<' || *c == '>') {
_DataIgnore = !_DataIgnore;
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}
// Retrieving data type
else if (_Buffer.Length() != 0) {
if (_Buffer == "static") {
// Ignore static keyword
} else if (_Buffer == "const") {
// Ignore const keyword
} else if (_Buffer == "inline") {
// Ignore inline keyword
} else if (_Buffer == "include") {
// Ignore include keyword
} else if (_Buffer == "ALIGNED8") {
// Ignore ALIGNED8 keyword
} else if (_Buffer == "UNUSED") {
// Ignore UNUSED keyword
} else if (_Buffer == "struct") {
// Ignore struct keyword
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} else if (_Buffer == "u64") {
_DataType = DATA_TYPE_UNUSED;
} else if (_Buffer == "Lights1") {
_DataType = DATA_TYPE_LIGHT;
} else if (_Buffer == "Light_t") {
_DataType = DATA_TYPE_LIGHT_T;
} else if (_Buffer == "Ambient_t") {
_DataType = DATA_TYPE_AMBIENT_T;
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} else if (_Buffer == "u8") {
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_DataType = strstr(aFilename.c_str(), "room")
? DATA_TYPE_ROOMS
: DATA_TYPE_TEXTURE;
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} else if (_Buffer == "Texture") {
// check if this is a 'Texture*' or a 'Texture'
char* peek = c;
while(*peek == ' ') { peek++; }
_DataType = (*peek == '*')
? DATA_TYPE_TEXTURE_LIST
: DATA_TYPE_TEXTURE;
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} else if (_Buffer == "Vtx") {
_DataType = DATA_TYPE_VERTEX;
} else if (_Buffer == "Gfx") {
_DataType = DATA_TYPE_DISPLAY_LIST;
} else if (_Buffer == "GeoLayout") {
_DataType = DATA_TYPE_GEO_LAYOUT;
} else if (_Buffer == "Collision") {
_DataType = DATA_TYPE_COLLISION;
} else if (_Buffer == "LevelScript") {
_DataType = DATA_TYPE_LEVEL_SCRIPT;
} else if (_Buffer == "MacroObject") {
_DataType = DATA_TYPE_MACRO_OBJECT;
} else if (_Buffer == "Trajectory") {
_DataType = DATA_TYPE_TRAJECTORY;
} else if (_Buffer == "Movtex") {
_DataType = DATA_TYPE_MOVTEX;
} else if (_Buffer == "MovtexQuadCollection") {
_DataType = DATA_TYPE_MOVTEXQC;
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} else {
PrintError(" ERROR: Unknown type name: %s", _Buffer.begin());
}
_Buffer.Clear();
}
}
// Scanning data identifier
else if (!pDataTokens) {
// Reading data identifier name
if ((*c >= 'A' && *c <= 'Z') || (*c >= 'a' && *c <= 'z') || (*c >= '0' && *c <= '9') || (*c == '_')) {
_Buffer.Add(*c);
}
// Skip const
else if (_Buffer == "const") {
_Buffer.Clear();
}
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// Adding new data node
else if (_Buffer.Length() != 0) {
switch (_DataType) {
case DATA_TYPE_LIGHT: AppendNewNode(aGfxData, aGfxData->mLights, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_LIGHT_T: AppendNewNode(aGfxData, aGfxData->mLightTs, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_AMBIENT_T: AppendNewNode(aGfxData, aGfxData->mAmbientTs, _Buffer, pDataName, pDataTokens); break;
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case DATA_TYPE_TEXTURE: AppendNewNode(aGfxData, aGfxData->mTextures, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_TEXTURE_LIST: AppendNewNode(aGfxData, aGfxData->mTextureLists, _Buffer, pDataName, pDataTokens); break;
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case DATA_TYPE_VERTEX: AppendNewNode(aGfxData, aGfxData->mVertices, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_DISPLAY_LIST: AppendNewNode(aGfxData, aGfxData->mDisplayLists, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_GEO_LAYOUT: AppendNewNode(aGfxData, aGfxData->mGeoLayouts, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_COLLISION: AppendNewNode(aGfxData, aGfxData->mCollisions, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_LEVEL_SCRIPT: AppendNewNode(aGfxData, aGfxData->mLevelScripts, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_MACRO_OBJECT: AppendNewNode(aGfxData, aGfxData->mMacroObjects, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_TRAJECTORY: AppendNewNode(aGfxData, aGfxData->mTrajectories, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_MOVTEX: AppendNewNode(aGfxData, aGfxData->mMovtexs, _Buffer, pDataName, pDataTokens); break;
case DATA_TYPE_MOVTEXQC: AppendNewNode(aGfxData, aGfxData->mMovtexQCs, _Buffer, pDataName, pDataTokens); break;
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case DATA_TYPE_ROOMS: AppendNewNode(aGfxData, aGfxData->mRooms, _Buffer, pDataName, pDataTokens); break;
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case DATA_TYPE_UNUSED: pDataTokens = (Array<String> *) 1; break;
}
_Buffer.Clear();
}
}
// Looking for data
else if (pDataStart == 0) {
if (*c == '=') {
pDataStart = c + 1;
} else if (*c == ';') {
PrintError(" ERROR: %s: Unexpected end of data", pDataName->begin());
}
}
// Data end
else if (*c == ';') {
if (_DataType != DATA_TYPE_UNUSED) {
char* pDataEnd = &*c;
String _Token = "";
for (u8 _Bracket = 0; pDataStart <= pDataEnd; pDataStart++) {
if (*pDataStart == '(') _Bracket++;
if (*pDataStart == ' ' || *pDataStart == '\t' || *pDataStart == '\r' || *pDataStart == '\n') continue;
if (_Bracket <= 1 && (*pDataStart == '(' || *pDataStart == ')' || *pDataStart == ',' || *pDataStart == '{' || *pDataStart == '}' || *pDataStart == ';')) {
if (_Token.Length() != 0) {
pDataTokens->Add(_Token);
_Token.Clear();
}
} else {
_Token.Add(*pDataStart);
}
if (*pDataStart == ')') _Bracket--;
}
}
_DataType = DATA_TYPE_NONE;
pDataName = NULL;
pDataTokens = NULL;
pDataStart = NULL;
_DataIgnore = false;
_Buffer = "";
}
}
Delete(_FileBuffer);
Print("Data read from file \"%s\"", aFilename.c_str());
}