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