sm64coopdx/data/dynos_bin_utils.cpp

352 lines
8.2 KiB
C++

#include "dynos.cpp.h"
//////////
// Misc //
//////////
s64 DynOS_Misc_ParseInteger(const String& _Arg, bool* found) {
const char* argStr = _Arg.begin();
if (argStr[0] == '0' && argStr[1] == 'x') {
// is a hex number
argStr += 2;
while(*argStr != '\0') {
if (*argStr >= '0' && *argStr <= '9') {
// good
} else if (*argStr >= 'a' && *argStr <= 'f') {
// good
} else if (*argStr >= 'A' && *argStr <= 'F') {
// good
} else {
// bad character
*found = false;
return 0;
}
argStr++;
}
} else {
// is a decimal number
if (*argStr == '-' || *argStr == '+') {
// good
argStr++;
}
while(*argStr != '\0') {
if (*argStr >= '0' && *argStr <= '9') {
// good
} else if (*argStr == '.') {
// good
} else {
// bad character
*found = false;
return 0;
}
argStr++;
}
}
*found = true;
return _Arg.ParseInt();
}
void DynOS_Gfx_Free(GfxData* aGfxData) {
if (aGfxData) {
for (auto& _Node : aGfxData->mLights) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mLightTs) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mAmbientTs) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mTextures) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mTextureLists) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mVertices) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mDisplayLists) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mGeoLayouts) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mAnimations) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mCollisions) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mLevelScripts) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mMacroObjects) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mTrajectories) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mMovtexs) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mMovtexQCs) {
Delete(_Node->mData);
Delete(_Node);
}
for (auto& _Node : aGfxData->mRooms) {
Delete(_Node->mData);
Delete(_Node);
}
Delete(aGfxData);
}
}
u32 DynOS_Lua_RememberVariable(GfxData* aGfxData, void* aPtr, String& token) {
// remember as lua pointer
aGfxData->mLuaPointerList.Add(aPtr);
// find existing token
for (u32 i = 0; i < aGfxData->mLuaTokenList.Count(); i++) {
if (aGfxData->mLuaTokenList[i] == token) {
return i;
}
}
// add token
aGfxData->mLuaTokenList.Add(token);
return aGfxData->mLuaTokenList.Count() - 1;
}
///////////////////////
// Recursive Descent //
///////////////////////
static char* sRdString = NULL;
static bool sRdError = false;
static RDConstantFunc sRdConstantFunc = NULL;
static s64 ParseExpression();
static void ParseWhitespace() {
while (*sRdString == ' ' || *sRdString == '\t' || *sRdString == '\r' || *sRdString == '\n') {
sRdString++;
}
}
static bool IsAlphabetical(char c) {
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
}
static bool IsAlphaNumeric(char c) {
return IsAlphabetical(c) || (c >= '0' && c <= '9');
}
static bool IsIdentifierBeginning(char c) {
return IsAlphabetical(c) || (c == '_');
}
static bool IsIdentifierCharacter(char c) {
return IsAlphaNumeric(c) || (c == '_');
}
static bool ParseOperator(const char* op) {
size_t opLen = strlen(op);
if (!strncmp(sRdString, op, opLen)) {
sRdString += opLen;
ParseWhitespace();
return true;
}
return false;
}
static s64 ParseNumeric() {
String numeric = "";
char* c = sRdString;
if (*c == '0' && *(c+1) == 'x') {
// is hex
numeric.Add(*c);
c++;
numeric.Add(*c);
c++;
while (true) {
if (*c >= '0' && *c <= '9') {
// good
} else if (*c >= 'a' && *c <= 'f') {
// good
} else if (*c >= 'A' && *c <= 'F') {
// good
} else {
// bad
break;
}
numeric.Add(*c);
c++;
}
} else {
// is decimal
while (*c >= '0' && *c <= '9') {
numeric.Add(*c);
c++;
}
}
// advance parsing
sRdString = c;
ParseWhitespace();
// parse
return numeric.ParseInt();
}
static s64 ParseFactor() {
char* c = sRdString;
// check for unary op
if (ParseOperator("-")) {
return -ParseFactor();
} else if (ParseOperator("+")) {
return +ParseFactor();
} else if (ParseOperator("!")) {
return !ParseFactor();
} else if (ParseOperator("~")) {
return ~ParseFactor();
}
// check for numeric
if (*c >= '0' && *c <= '9') {
return ParseNumeric();
}
// check for sub expression
if (ParseOperator("(")) {
s64 e1 = ParseExpression();
if (ParseOperator(")")) {
return e1;
} else {
sRdError = true;
return 0;
}
}
// check for known identifier
if (IsIdentifierBeginning(*c)) {
String identifier = "";
char* cTmp = c;
while (IsIdentifierCharacter(*cTmp)) {
identifier.Add(*cTmp);
cTmp++;
}
if (sRdConstantFunc != NULL) {
bool constantFound = false;
s64 constantValue = sRdConstantFunc(identifier, &constantFound);
if (constantFound) {
sRdString = cTmp;
return constantValue;
}
}
}
sRdError = true;
return 0;
}
static s64 ParseTerm() {
s64 f1 = ParseFactor();
if (ParseOperator("*")) {
return f1 * ParseFactor();
} else if (ParseOperator("/")) {
return f1 / ParseFactor();
} else if (ParseOperator("%")) {
return f1 % ParseFactor();
}
return f1;
}
static s64 ParseAddSubExpression() {
s64 t1 = ParseTerm();
if (ParseOperator("+")) {
return t1 + ParseTerm();
} else if (ParseOperator("-")) {
return t1 - ParseTerm();
}
return t1;
}
static s64 ParseShiftExpression() {
s64 e1 = ParseAddSubExpression();
if (ParseOperator("<<")) {
return e1 << ParseAddSubExpression();
} else if (ParseOperator(">>")) {
return e1 >> ParseAddSubExpression();
}
return e1;
}
static s64 ParseBitAndExpression() {
s64 e1 = ParseShiftExpression();
if (ParseOperator("&")) {
return e1 & ParseShiftExpression();
}
return e1;
}
static s64 ParseBitXorExpression() {
s64 e1 = ParseBitAndExpression();
if (ParseOperator("^")) {
return e1 ^ ParseBitAndExpression();
}
return e1;
}
static s64 ParseBitOrExpression() {
s64 e1 = ParseBitXorExpression();
if (ParseOperator("|")) {
return e1 | ParseBitXorExpression();
}
return e1;
}
static s64 ParseExpression() {
return ParseBitOrExpression();
}
s64 DynOS_RecursiveDescent_Parse(const char* expr, bool* success, RDConstantFunc func) {
sRdString = (char*)expr;
sRdError = false;
sRdConstantFunc = func;
s64 value = ParseExpression();
sRdString = NULL;
*success = !sRdError;
return value;
}