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-rw-r--r--engines/sludge/function.cpp788
1 files changed, 788 insertions, 0 deletions
diff --git a/engines/sludge/function.cpp b/engines/sludge/function.cpp
new file mode 100644
index 0000000000..553e59d76c
--- /dev/null
+++ b/engines/sludge/function.cpp
@@ -0,0 +1,788 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "sludge/builtin.h"
+#include "sludge/function.h"
+#include "sludge/loadsave.h"
+#include "sludge/newfatal.h"
+#include "sludge/people.h"
+#include "sludge/sludge.h"
+#include "sludge/sound.h"
+#include "sludge/speech.h"
+
+namespace Sludge {
+
+int numBIFNames = 0;
+Common::String *allBIFNames = NULL;
+int numUserFunc = 0;
+Common::String *allUserFunc = NULL;
+
+LoadedFunction *saverFunc;
+LoadedFunction *allRunningFunctions = NULL;
+VariableStack *noStack = NULL;
+Variable *globalVars = NULL;
+
+const char *sludgeText[] = { "?????", "RETURN", "BRANCH", "BR_ZERO",
+ "SET_GLOBAL", "SET_LOCAL", "LOAD_GLOBAL", "LOAD_LOCAL", "PLUS", "MINUS",
+ "MULT", "DIVIDE", "AND", "OR", "EQUALS", "NOT_EQ", "MODULUS",
+ "LOAD_VALUE", "LOAD_BUILT", "LOAD_FUNC", "CALLIT", "LOAD_STRING",
+ "LOAD_FILE", "LOAD_OBJTYPE", "NOT", "LOAD_NULL", "STACK_PUSH",
+ "LESSTHAN", "MORETHAN", "NEGATIVE", "U", "LESS_EQUAL", "MORE_EQUAL",
+ "INC_LOCAL", "DEC_LOCAL", "INC_GLOBAL", "DEC_GLOBAL", "INDEXSET",
+ "INDEXGET", "INC_INDEX", "DEC_INDEX", "QUICK_PUSH" };
+
+void pauseFunction(LoadedFunction *fun) {
+ LoadedFunction **huntAndDestroy = &allRunningFunctions;
+ while (*huntAndDestroy) {
+ if (fun == *huntAndDestroy) {
+ (*huntAndDestroy) = (*huntAndDestroy)->next;
+ fun->next = NULL;
+ } else {
+ huntAndDestroy = &(*huntAndDestroy)->next;
+ }
+ }
+}
+
+void restartFunction(LoadedFunction *fun) {
+ fun->next = allRunningFunctions;
+ allRunningFunctions = fun;
+}
+
+void killSpeechTimers() {
+ LoadedFunction *thisFunction = allRunningFunctions;
+
+ while (thisFunction) {
+ if (thisFunction->freezerLevel == 0 && thisFunction->isSpeech
+ && thisFunction->timeLeft) {
+ thisFunction->timeLeft = 0;
+ thisFunction->isSpeech = false;
+ }
+ thisFunction = thisFunction->next;
+ }
+
+ g_sludge->_speechMan->kill();
+}
+
+void completeTimers() {
+ LoadedFunction *thisFunction = allRunningFunctions;
+
+ while (thisFunction) {
+ if (thisFunction->freezerLevel == 0)
+ thisFunction->timeLeft = 0;
+ thisFunction = thisFunction->next;
+ }
+}
+
+void finishFunction(LoadedFunction *fun) {
+ int a;
+
+ pauseFunction(fun);
+ if (fun->stack)
+ fatal(ERROR_NON_EMPTY_STACK);
+ delete[] fun->compiledLines;
+ for (a = 0; a < fun->numLocals; a++)
+ fun->localVars[a].unlinkVar();
+ delete[] fun->localVars;
+ fun->reg.unlinkVar();
+ delete fun;
+ fun = NULL;
+}
+
+void abortFunction(LoadedFunction *fun) {
+ int a;
+
+ pauseFunction(fun);
+ while (fun->stack)
+ trimStack(fun->stack);
+ delete []fun->compiledLines;
+ for (a = 0; a < fun->numLocals; a++)
+ fun->localVars[a].unlinkVar();
+ delete []fun->localVars;
+ fun->reg.unlinkVar();
+ if (fun->calledBy)
+ abortFunction(fun->calledBy);
+ delete fun;
+ fun = NULL;
+}
+
+int cancelAFunction(int funcNum, LoadedFunction *myself, bool &killedMyself) {
+ int n = 0;
+ killedMyself = false;
+
+ LoadedFunction *fun = allRunningFunctions;
+ while (fun) {
+ if (fun->originalNumber == funcNum) {
+ fun->cancelMe = true;
+ n++;
+ if (fun == myself)
+ killedMyself = true;
+ }
+ fun = fun->next;
+ }
+ return n;
+}
+
+void freezeSubs() {
+ LoadedFunction *thisFunction = allRunningFunctions;
+
+ while (thisFunction) {
+ if (thisFunction->unfreezable) {
+ //msgBox ("SLUDGE debugging bollocks!", "Trying to freeze an unfreezable function!");
+ } else {
+ thisFunction->freezerLevel++;
+ }
+ thisFunction = thisFunction->next;
+ }
+}
+
+void unfreezeSubs() {
+ LoadedFunction *thisFunction = allRunningFunctions;
+
+ while (thisFunction) {
+ if (thisFunction->freezerLevel)
+ thisFunction->freezerLevel--;
+ thisFunction = thisFunction->next;
+ }
+}
+
+bool continueFunction(LoadedFunction *fun) {
+ bool keepLooping = true;
+ bool advanceNow;
+ uint param;
+ SludgeCommand com;
+
+ if (fun->cancelMe) {
+ abortFunction(fun);
+ return true;
+ }
+
+ while (keepLooping) {
+ advanceNow = true;
+ debugC(1, kSludgeDebugStackMachine, "Executing command line %i : ", fun->runThisLine);
+ param = fun->compiledLines[fun->runThisLine].param;
+ com = fun->compiledLines[fun->runThisLine].theCommand;
+
+ if (numBIFNames) {
+ setFatalInfo((fun->originalNumber < numUserFunc) ? allUserFunc[fun->originalNumber] : "Unknown user function", (com < numSludgeCommands) ? sludgeText[com] : ERROR_UNKNOWN_MCODE);
+ }
+
+ switch (com) {
+ case SLU_RETURN:
+ if (fun->calledBy) {
+ LoadedFunction *returnTo = fun->calledBy;
+ if (fun->returnSomething)
+ returnTo->reg.copyFrom(fun->reg);
+ finishFunction(fun);
+ fun = returnTo;
+ restartFunction(fun);
+ } else {
+ finishFunction(fun);
+ advanceNow = false; // So we don't do anything else with "fun"
+ keepLooping = false; // So we drop out of the loop
+ }
+ break;
+
+ case SLU_CALLIT:
+ switch (fun->reg.varType) {
+ case SVT_FUNC:
+ pauseFunction(fun);
+ if (numBIFNames)
+ setFatalInfo(
+ (fun->originalNumber < numUserFunc) ?
+ allUserFunc[fun->originalNumber] :
+ "Unknown user function",
+ (fun->reg.varData.intValue < numUserFunc) ?
+ allUserFunc[fun->reg.varData.intValue] :
+ "Unknown user function");
+
+ if (!startNewFunctionNum(fun->reg.varData.intValue, param, fun,
+ fun->stack))
+ return false;
+ fun = allRunningFunctions;
+ advanceNow = false; // So we don't do anything else with "fun"
+ break;
+
+ case SVT_BUILT: {
+ debugC(1, kSludgeDebugStackMachine, "Built-in init value: %i",
+ fun->reg.varData.intValue);
+ BuiltReturn br = callBuiltIn(fun->reg.varData.intValue, param,
+ fun);
+
+ switch (br) {
+ case BR_ERROR:
+ return fatal(
+ "Unknown error. This shouldn't happen. Please notify the SLUDGE developers.");
+
+ case BR_PAUSE:
+ pauseFunction(fun);
+ // fall through
+
+ case BR_KEEP_AND_PAUSE:
+ keepLooping = false;
+ break;
+
+ case BR_ALREADY_GONE:
+ keepLooping = false;
+ advanceNow = false;
+ break;
+
+ case BR_CALLAFUNC: {
+ int i = fun->reg.varData.intValue;
+ fun->reg.setVariable(SVT_INT, 1);
+ pauseFunction(fun);
+ if (numBIFNames)
+ setFatalInfo(
+ (fun->originalNumber < numUserFunc) ?
+ allUserFunc[fun->originalNumber] :
+ "Unknown user function",
+ (i < numUserFunc) ?
+ allUserFunc[i] :
+ "Unknown user function");
+ if (!startNewFunctionNum(i, 0, fun, noStack, false))
+ return false;
+ fun = allRunningFunctions;
+ advanceNow = false; // So we don't do anything else with "fun"
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+ break;
+
+ default:
+ return fatal(ERROR_CALL_NONFUNCTION);
+ }
+ break;
+
+ // These all grab things and shove 'em into the register
+
+ case SLU_LOAD_NULL:
+ fun->reg.setVariable(SVT_NULL, 0);
+ break;
+
+ case SLU_LOAD_FILE:
+ fun->reg.setVariable(SVT_FILE, param);
+ break;
+
+ case SLU_LOAD_VALUE:
+ fun->reg.setVariable(SVT_INT, param);
+ break;
+
+ case SLU_LOAD_LOCAL:
+ if (!fun->reg.copyFrom(fun->localVars[param]))
+ return false;
+ break;
+
+ case SLU_AND:
+ fun->reg.setVariable(SVT_INT,
+ fun->reg.getBoolean() && fun->stack->thisVar.getBoolean());
+ trimStack(fun->stack);
+ break;
+
+ case SLU_OR:
+ fun->reg.setVariable(SVT_INT,
+ fun->reg.getBoolean() || fun->stack->thisVar.getBoolean());
+ trimStack(fun->stack);
+ break;
+
+ case SLU_LOAD_FUNC:
+ fun->reg.setVariable(SVT_FUNC, param);
+ break;
+
+ case SLU_LOAD_BUILT:
+ fun->reg.setVariable(SVT_BUILT, param);
+ break;
+
+ case SLU_LOAD_OBJTYPE:
+ fun->reg.setVariable(SVT_OBJTYPE, param);
+ break;
+
+ case SLU_UNREG:
+ break;
+
+ case SLU_LOAD_STRING:
+ if (!fun->reg.loadStringToVar(param)) {
+ return false;
+ }
+ break;
+
+ case SLU_INDEXGET:
+ case SLU_INCREMENT_INDEX:
+ case SLU_DECREMENT_INDEX:
+ switch (fun->stack->thisVar.varType) {
+ case SVT_NULL:
+ if (com == SLU_INDEXGET) {
+ fun->reg.setVariable(SVT_NULL, 0);
+ trimStack(fun->stack);
+ } else {
+ return fatal(ERROR_INCDEC_UNKNOWN);
+ }
+ break;
+
+ case SVT_FASTARRAY:
+ case SVT_STACK:
+ if (fun->stack->thisVar.varData.theStack->first == NULL) {
+ return fatal(ERROR_INDEX_EMPTY);
+ } else {
+ int ii;
+ if (!fun->reg.getValueType(ii, SVT_INT))
+ return false;
+ Variable *grab =
+ (fun->stack->thisVar.varType == SVT_FASTARRAY) ?
+ fun->stack->thisVar.varData.fastArray->fastArrayGetByIndex(ii) :
+ fun->stack->thisVar.varData.theStack->first->stackGetByIndex(ii);
+
+ trimStack(fun->stack);
+
+ if (!grab) {
+ fun->reg.setVariable(SVT_NULL, 0);
+ } else {
+ int kk;
+ switch (com) {
+ case SLU_INCREMENT_INDEX:
+ if (!grab->getValueType(kk, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, kk);
+ grab->varData.intValue = kk + 1;
+ break;
+
+ case SLU_DECREMENT_INDEX:
+ if (!grab->getValueType(kk, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, kk);
+ grab->varData.intValue = kk - 1;
+ break;
+
+ default:
+ if (!fun->reg.copyFrom(*grab))
+ return false;
+ }
+ }
+ }
+ break;
+
+ default:
+ return fatal(ERROR_INDEX_NONSTACK);
+ }
+ break;
+
+ case SLU_INDEXSET:
+ switch (fun->stack->thisVar.varType) {
+ case SVT_STACK:
+ if (fun->stack->thisVar.varData.theStack->first == NULL) {
+ return fatal(ERROR_INDEX_EMPTY);
+ } else {
+ int ii;
+ if (!fun->reg.getValueType(ii, SVT_INT))
+ return false;
+ if (!fun->stack->thisVar.varData.theStack->first->stackSetByIndex(ii, fun->stack->next->thisVar)) {
+ return false;
+ }
+ trimStack(fun->stack);
+ trimStack(fun->stack);
+ }
+ break;
+
+ case SVT_FASTARRAY: {
+ int ii;
+ if (!fun->reg.getValueType(ii, SVT_INT))
+ return false;
+ Variable *v = fun->stack->thisVar.varData.fastArray->fastArrayGetByIndex(ii);
+ if (v == NULL)
+ return fatal("Not within bounds of fast array.");
+ if (!v->copyFrom(fun->stack->next->thisVar))
+ return false;
+ trimStack(fun->stack);
+ trimStack(fun->stack);
+ }
+ break;
+
+ default:
+ return fatal(ERROR_INDEX_NONSTACK);
+ }
+ break;
+
+ // What can we do with the register? Well, we can copy it into a local
+ // variable, a global or onto the stack...
+
+ case SLU_INCREMENT_LOCAL: {
+ int ii;
+ if (!fun->localVars[param].getValueType(ii, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, ii);
+ fun->localVars[param].setVariable(SVT_INT, ii + 1);
+ }
+ break;
+
+ case SLU_INCREMENT_GLOBAL: {
+ int ii;
+ if (!globalVars[param].getValueType(ii, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, ii);
+ globalVars[param].setVariable(SVT_INT, ii + 1);
+ }
+ break;
+
+ case SLU_DECREMENT_LOCAL: {
+ int ii;
+ if (!fun->localVars[param].getValueType(ii, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, ii);
+ fun->localVars[param].setVariable(SVT_INT, ii - 1);
+ }
+ break;
+
+ case SLU_DECREMENT_GLOBAL: {
+ int ii;
+ if (!globalVars[param].getValueType(ii, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, ii);
+ globalVars[param].setVariable(SVT_INT, ii - 1);
+ }
+ break;
+
+ case SLU_SET_LOCAL:
+ if (!fun->localVars[param].copyFrom(fun->reg))
+ return false;
+ break;
+
+ case SLU_SET_GLOBAL:
+ if (!globalVars[param].copyFrom(fun->reg))
+ return false;
+ break;
+
+ case SLU_LOAD_GLOBAL:
+ if (!fun->reg.copyFrom(globalVars[param]))
+ return false;
+ break;
+
+ case SLU_STACK_PUSH:
+ if (!addVarToStack(fun->reg, fun->stack))
+ return false;
+ break;
+
+ case SLU_QUICK_PUSH:
+ if (!addVarToStackQuick(fun->reg, fun->stack))
+ return false;
+ break;
+
+ case SLU_NOT:
+ fun->reg.setVariable(SVT_INT, !fun->reg.getBoolean());
+ break;
+
+ case SLU_BR_ZERO:
+ if (!fun->reg.getBoolean()) {
+ advanceNow = false;
+ fun->runThisLine = param;
+ }
+ break;
+
+ case SLU_BRANCH:
+ advanceNow = false;
+ fun->runThisLine = param;
+ break;
+
+ case SLU_NEGATIVE: {
+ int i;
+ if (!fun->reg.getValueType(i, SVT_INT))
+ return false;
+ fun->reg.setVariable(SVT_INT, -i);
+ }
+ break;
+
+ // All these things rely on there being somet' on the stack
+
+ case SLU_MULT:
+ case SLU_PLUS:
+ case SLU_MINUS:
+ case SLU_MODULUS:
+ case SLU_DIVIDE:
+ case SLU_EQUALS:
+ case SLU_NOT_EQ:
+ case SLU_LESSTHAN:
+ case SLU_MORETHAN:
+ case SLU_LESS_EQUAL:
+ case SLU_MORE_EQUAL:
+ if (fun->stack) {
+ int firstValue, secondValue;
+
+ switch (com) {
+ case SLU_PLUS:
+ fun->reg.addVariablesInSecond(fun->stack->thisVar);
+ trimStack(fun->stack);
+ break;
+
+ case SLU_EQUALS:
+ fun->reg.compareVariablesInSecond(fun->stack->thisVar);
+ trimStack(fun->stack);
+ break;
+
+ case SLU_NOT_EQ:
+ fun->reg.compareVariablesInSecond(fun->stack->thisVar);
+ trimStack(fun->stack);
+ fun->reg.varData.intValue = !fun->reg.varData.intValue;
+ break;
+
+ default:
+ if (!fun->stack->thisVar.getValueType(firstValue, SVT_INT))
+ return false;
+ if (!fun->reg.getValueType(secondValue, SVT_INT))
+ return false;
+ trimStack(fun->stack);
+
+ switch (com) {
+ case SLU_MULT:
+ fun->reg.setVariable(SVT_INT,
+ firstValue * secondValue);
+ break;
+
+ case SLU_MINUS:
+ fun->reg.setVariable(SVT_INT,
+ firstValue - secondValue);
+ break;
+
+ case SLU_MODULUS:
+ fun->reg.setVariable(SVT_INT,
+ firstValue % secondValue);
+ break;
+
+ case SLU_DIVIDE:
+ fun->reg.setVariable(SVT_INT,
+ firstValue / secondValue);
+ break;
+
+ case SLU_LESSTHAN:
+ fun->reg.setVariable(SVT_INT,
+ firstValue < secondValue);
+ break;
+
+ case SLU_MORETHAN:
+ fun->reg.setVariable(SVT_INT,
+ firstValue > secondValue);
+ break;
+
+ case SLU_LESS_EQUAL:
+ fun->reg.setVariable(SVT_INT,
+ firstValue <= secondValue);
+ break;
+
+ case SLU_MORE_EQUAL:
+ fun->reg.setVariable(SVT_INT,
+ firstValue >= secondValue);
+ break;
+
+ default:
+ break;
+ }
+ }
+ } else {
+ return fatal(ERROR_NOSTACK);
+ }
+ break;
+
+ default:
+ return fatal(ERROR_UNKNOWN_CODE);
+ }
+
+ if (advanceNow)
+ fun->runThisLine++;
+
+ }
+ return true;
+}
+
+void killAllFunctions() {
+ while (allRunningFunctions)
+ finishFunction(allRunningFunctions);
+}
+
+bool loadFunctionCode(LoadedFunction *newFunc) {
+ uint numLines, numLinesRead;
+
+ if (!g_sludge->_resMan->openSubSlice(newFunc->originalNumber))
+ return false;
+
+ debugC(3, kSludgeDebugDataLoad, "Load function code");
+
+ Common::SeekableReadStream *readStream = g_sludge->_resMan->getData();
+ newFunc->unfreezable = readStream->readByte();
+ numLines = readStream->readUint16BE();
+ debugC(3, kSludgeDebugDataLoad, "numLines: %i", numLines);
+ newFunc->numArgs = readStream->readUint16BE();
+ debugC(3, kSludgeDebugDataLoad, "numArgs: %i", newFunc->numArgs);
+ newFunc->numLocals = readStream->readUint16BE();
+ debugC(3, kSludgeDebugDataLoad, "numLocals: %i", newFunc->numLocals);
+ newFunc->compiledLines = new LineOfCode[numLines];
+ if (!checkNew(newFunc->compiledLines))
+ return false;
+
+ for (numLinesRead = 0; numLinesRead < numLines; numLinesRead++) {
+ newFunc->compiledLines[numLinesRead].theCommand = (SludgeCommand)readStream->readByte();
+ newFunc->compiledLines[numLinesRead].param = readStream->readUint16BE();
+ debugC(3, kSludgeDebugDataLoad, "command line %i: %i", numLinesRead,
+ newFunc->compiledLines[numLinesRead].theCommand);
+ }
+ g_sludge->_resMan->finishAccess();
+
+ // Now we need to reserve memory for the local variables
+ newFunc->localVars = new Variable[newFunc->numLocals];
+ if (!checkNew(newFunc->localVars))
+ return false;
+
+ return true;
+}
+
+int startNewFunctionNum(uint funcNum, uint 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");
+ newFunc->localVars[numParamsExpected].copyFrom(vStack->thisVar);
+ 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;
+
+ restartFunction(newFunc);
+ return 1;
+}
+
+bool runAllFunctions() {
+
+ LoadedFunction *thisFunction = allRunningFunctions;
+ LoadedFunction *nextFunction;
+
+ while (thisFunction) {
+ nextFunction = thisFunction->next;
+
+ if (!thisFunction->freezerLevel) {
+ if (thisFunction->timeLeft) {
+ if (thisFunction->timeLeft < 0) {
+ if (!g_sludge->_soundMan->stillPlayingSound(
+ g_sludge->_speechMan->getLastSpeechSound())) {
+ thisFunction->timeLeft = 0;
+ }
+ } else if (!--(thisFunction->timeLeft)) {
+ }
+ } else {
+ if (thisFunction->isSpeech) {
+ thisFunction->isSpeech = false;
+ g_sludge->_speechMan->kill();
+ }
+ if (!continueFunction(thisFunction))
+ return false;
+ }
+ }
+
+ thisFunction = nextFunction;
+ }
+
+ return true;
+}
+
+void saveFunction(LoadedFunction *fun, Common::WriteStream *stream) {
+ int a;
+ stream->writeUint16BE(fun->originalNumber);
+ if (fun->calledBy) {
+ stream->writeByte(1);
+ saveFunction(fun->calledBy, stream);
+ } else {
+ stream->writeByte(0);
+ }
+ stream->writeUint32LE(fun->timeLeft);
+ stream->writeUint16BE(fun->runThisLine);
+ stream->writeByte(fun->cancelMe);
+ stream->writeByte(fun->returnSomething);
+ stream->writeByte(fun->isSpeech);
+ fun->reg.save(stream);
+
+ if (fun->freezerLevel) {
+ fatal(ERROR_GAME_SAVE_FROZEN);
+ }
+ saveStack(fun->stack, stream);
+ for (a = 0; a < fun->numLocals; a++) {
+ fun->localVars[a].save(stream);
+ }
+}
+
+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();
+ buildFunc->reg.load(stream);
+ loadFunctionCode(buildFunc);
+
+ buildFunc->stack = loadStack(stream, NULL);
+
+ for (a = 0; a < buildFunc->numLocals; a++) {
+ buildFunc->localVars[a].load(stream);
+ }
+
+ return buildFunc;
+}
+
+} // End of namespace Sludge