int startNewFunctionNum (unsigned int funcNum, unsigned int numParamsExpected, loadedFunction * calledBy, variableStack * & vStack, bool returnSommet) {
loadedFunction * newFunc = new loadedFunction;
checkNew (newFunc);
newFunc -> originalNumber = funcNum;
loadFunctionCode (newFunc);
if (newFunc -> numArgs != (int)numParamsExpected) return fatal ("Wrong number of parameters!");
if (newFunc -> numArgs > newFunc -> numLocals) return fatal ("More arguments than local variable space!");
// Now, lets copy the parameters from the calling function's stack...
while (numParamsExpected) {
numParamsExpected --;
if (vStack == NULL) return fatal ("Corrupted file! The stack's empty and there were still parameters expected");
copyVariable (vStack -> thisVar, newFunc -> localVars[numParamsExpected]);
trimStack (vStack);
}
newFunc -> cancelMe = false;
newFunc -> timeLeft = 0;
newFunc -> returnSomething = returnSommet;
newFunc -> calledBy = calledBy;
newFunc -> stack = NULL;
newFunc -> freezerLevel = 0;
newFunc -> runThisLine = 0;
newFunc -> isSpeech = 0;
initVarNew (newFunc -> reg);
restartFunction (newFunc);
return 1;
}
LoadedFunction *loadFunction(Common::SeekableReadStream *stream) {
int a;
// Reserve memory...
LoadedFunction *buildFunc = new LoadedFunction;
if (!checkNew(buildFunc))
return NULL;
// See what it was called by and load if we need to...
buildFunc->originalNumber = stream->readUint16BE();
buildFunc->calledBy = NULL;
if (stream->readByte()) {
buildFunc->calledBy = loadFunction(stream);
if (!buildFunc->calledBy)
return NULL;
}
buildFunc->timeLeft = stream->readUint32LE();
buildFunc->runThisLine = stream->readUint16BE();
buildFunc->freezerLevel = 0;
buildFunc->cancelMe = stream->readByte();
buildFunc->returnSomething = stream->readByte();
buildFunc->isSpeech = stream->readByte();
loadVariable(&(buildFunc->reg), stream);
loadFunctionCode(buildFunc);
buildFunc->stack = loadStack(stream, NULL);
for (a = 0; a < buildFunc->numLocals; a++) {
loadVariable(&(buildFunc->localVars[a]), stream);
}
return buildFunc;
}
