C++ Serializer::isSaving方法代码示例

static void syncCell(Common::Serializer &s) {
	int chunkCount = 0;
	cellStruct *t, *p;
	uint16 dummyWord = 0;

	if (s.isSaving()) {
		// Figure out the number of chunks to save
		t = cellHead.next;
		while (t) {
			++chunkCount;
			t = t->next;
		}
	} else {
		cellHead.next = NULL; // Not in ASM code, but I guess the variable is defaulted in the EXE
	}
	s.syncAsSint16LE(chunkCount);

	t = s.isSaving() ? cellHead.next : &cellHead;
	for (int i = 0; i < chunkCount; ++i) {
		p = s.isSaving() ? t : (cellStruct *)mallocAndZero(sizeof(cellStruct));

		s.syncAsUint16LE(dummyWord);
		s.syncAsUint16LE(dummyWord);

		s.syncAsSint16LE(p->idx);
		s.syncAsSint16LE(p->type);
		s.syncAsSint16LE(p->overlay);
		s.syncAsSint16LE(p->x);
		s.syncAsSint16LE(p->field_C);
		s.syncAsSint16LE(p->spriteIdx);
		s.syncAsSint16LE(p->color);
		s.syncAsSint16LE(p->backgroundPlane);
		s.syncAsSint16LE(p->freeze);
		s.syncAsSint16LE(p->parent);
		s.syncAsSint16LE(p->parentOverlay);
		s.syncAsSint16LE(p->parentType);
		s.syncAsSint16LE(p->followObjectOverlayIdx);
		s.syncAsSint16LE(p->followObjectIdx);
		s.syncAsSint16LE(p->animStart);
		s.syncAsSint16LE(p->animEnd);
		s.syncAsSint16LE(p->animWait);
		s.syncAsSint16LE(p->animStep);
		s.syncAsSint16LE(p->animChange);
		s.syncAsSint16LE(p->animType);
		s.syncAsSint16LE(p->animSignal);
		s.syncAsSint16LE(p->animCounter);
		s.syncAsSint16LE(p->animLoop);
		s.syncAsUint16LE(dummyWord);

		if (s.isSaving())
			t = t->next;
		else {
			p->next = NULL;
			t->next = p;
			p->prev = cellHead.prev;
			cellHead.prev = p;
			t = p;
		}
	}
}

static bool DoSync(Common::Serializer &s, int numInterp) {
	int	sg = 0;

	if (TinselV2) {
		if (s.isSaving())
			g_restoreCD = GetCurrentCD();
		s.syncAsSint16LE(g_restoreCD);
	}

	if (TinselV2 && s.isLoading())
		HoldItem(INV_NOICON);

	syncSavedData(s, *g_srsd, numInterp);
	syncGlobInfo(s);		// Glitter globals
	syncInvInfo(s);			// Inventory data

	// Held object
	if (s.isSaving())
		sg = WhichItemHeld();
	s.syncAsSint32LE(sg);
	if (s.isLoading()) {
		if (sg != -1 && !GetIsInvObject(sg))
			// Not a valid inventory object, so return false
			return false;

		if (TinselV2)
			g_thingHeld = sg;
		else
			HoldItem(sg);
	}

	syncTimerInfo(s);		// Timer data
	if (!TinselV2)
		syncPolyInfo(s);		// Dead polygon data
	syncSCdata(s);			// Hook Scene and delayed scene

	s.syncAsSint32LE(*g_SaveSceneSsCount);

	if (*g_SaveSceneSsCount != 0) {
		SAVED_DATA *sdPtr = g_SaveSceneSsData;
		for (int i = 0; i < *g_SaveSceneSsCount; ++i, ++sdPtr)
			syncSavedData(s, *sdPtr, numInterp);

		// Flag that there is a saved scene to return to. Note that in this context 'saved scene'
		// is a stored scene to return to from another scene, such as from the Summoning Book close-up
		// in Discworld 1 to whatever scene Rincewind was in prior to that
		g_ASceneIsSaved = true;
	}

	if (!TinselV2)
		syncAllActorsAlive(s);

	return true;
}

static void syncActors(Common::Serializer &s) {
	int numEntries = 0;
	actorStruct *ptr;
	uint16 dummyLong = 0;

	if (s.isSaving()) {
		ptr = actorHead.next;
		while (ptr) {
			++numEntries;
			ptr = ptr->next;
		}
	}
	s.syncAsSint16LE(numEntries);

	ptr = s.isSaving() ? actorHead.next : &actorHead;
	for (int i = 0; i < numEntries; ++i) {
		actorStruct *p = s.isSaving() ? ptr : (actorStruct *)mallocAndZero(sizeof(actorStruct));

		s.syncAsUint32LE(dummyLong);
		s.syncAsSint16LE(p->idx);
		s.syncAsSint16LE(p->type);
		s.syncAsSint16LE(p->overlayNumber);
		s.syncAsSint16LE(p->x_dest);
		s.syncAsSint16LE(p->y_dest);
		s.syncAsSint16LE(p->x);
		s.syncAsSint16LE(p->y);
		s.syncAsSint16LE(p->startDirection);
		s.syncAsSint16LE(p->nextDirection);
		s.syncAsSint16LE(p->endDirection);
		s.syncAsSint16LE(p->stepX);
		s.syncAsSint16LE(p->stepY);
		s.syncAsSint16LE(p->pathId);
		s.syncAsSint16LE(p->phase);
		s.syncAsSint16LE(p->counter);
		s.syncAsSint16LE(p->poly);
		s.syncAsSint16LE(p->flag);
		s.syncAsSint16LE(p->start);
		s.syncAsSint16LE(p->freeze);

		if (s.isSaving())
			ptr = ptr->next;
		else {
			p->next = NULL;
			ptr->next = p;
			p->prev = actorHead.prev;
			actorHead.prev = p;
			ptr = p->next;
		}
	}
}

static void syncCT(Common::Serializer &s) {
	int v = (_vm->_polyStruct) ? 1 : 0;
	s.syncAsSint32LE(v);
	if (s.isLoading())
		_vm->_polyStruct = (v != 0) ? &_vm->_polyStructNorm : NULL;

	if (v == 0)
		// There is no further data to load or save
		return;

	s.syncAsSint16LE(numberOfWalkboxes);

	if (numberOfWalkboxes) {
		for (int i = 0; i < numberOfWalkboxes; ++i)
			s.syncAsSint16LE(walkboxColor[i]);
		for (int i = 0; i < numberOfWalkboxes; ++i)
			s.syncAsSint16LE(walkboxState[i]);
	}

	for (int i = 0; i < 10; i++) {
		v = 0;
		if (s.isSaving()) v = (persoTable[i]) ? 1 : 0;
		s.syncAsSint32LE(v);

		if (s.isLoading())
			// Set up the pointer for the next structure
			persoTable[i] = (v == 0) ? NULL : (persoStruct *)mallocAndZero(sizeof(persoStruct));

		if (v != 0)
			syncPerso(s, *persoTable[i]);
	}
}

static void syncBackgroundTable(Common::Serializer &s) {
	// restore backgroundTable
	for (int i = 0; i < 8; i++) {
		if (s.isSaving() && (strlen(backgroundTable[i].name) > 8))
			warning("Saving a background resource that has too long a name");

		s.syncBytes((byte *)backgroundTable[i].name, 9);
		s.syncBytes((byte *)backgroundTable[i].extention, 6);
	}
}

void SaveLoad::sync<ScriptRegister::Script>(Common::Serializer &serializer, ScriptRegister::Script &var) {
	if (serializer.isSaving())
		if (var.chunk)
			var.line = var.chunk->getCurLine();

	serializer.syncAsUint32LE(var.line);

	if (serializer.isLoading())
		var.chunk = 0;
}

void SavesManager::syncBitFlags(Common::Serializer &s, bool *startP, bool *endP) {
	byte data = 0;

	int bitCounter = 0;
	for (bool *p = startP; p <= endP; ++p, bitCounter = (bitCounter + 1) % 8) {
		if (p == endP || bitCounter == 0) {
			if (p != endP || s.isSaving())
				s.syncAsByte(data);
			if (p == endP)
				break;

			if (s.isSaving())
				data = 0;
		}

		if (s.isLoading())
			*p = (data >> bitCounter) != 0;
		else if (*p)
			data |= 1 << bitCounter;
	}

void syncScript(Common::Serializer &s, scriptInstanceStruct *entry) {
	int numScripts = 0;
	uint32 dummyLong = 0;
	uint16 dummyWord = 0;

	if (s.isSaving()) {
		// Figure out the number of scripts to save
		scriptInstanceStruct* pCurrent = entry->nextScriptPtr;
		while (pCurrent) {
			++numScripts;
			pCurrent = pCurrent->nextScriptPtr;
		}
	}
	s.syncAsSint16LE(numScripts);

	scriptInstanceStruct *ptr = entry->nextScriptPtr;
	for (int i = 0; i < numScripts; ++i) {
		if (s.isLoading())
			ptr = (scriptInstanceStruct *)mallocAndZero(sizeof(scriptInstanceStruct));

		s.syncAsUint16LE(dummyWord);
		s.syncAsSint16LE(ptr->ccr);
		s.syncAsSint16LE(ptr->scriptOffset);
		s.syncAsUint32LE(dummyLong);
		s.syncAsSint16LE(ptr->dataSize);
		s.syncAsSint16LE(ptr->scriptNumber);
		s.syncAsSint16LE(ptr->overlayNumber);
		s.syncAsSint16LE(ptr->sysKey);
		s.syncAsSint16LE(ptr->freeze);
		s.syncAsSint16LE(ptr->type);
		s.syncAsSint16LE(ptr->var16);
		s.syncAsSint16LE(ptr->var18);
		s.syncAsSint16LE(ptr->var1A);

		s.syncAsSint16LE(ptr->dataSize);

		if (ptr->dataSize) {
			if (s.isLoading())
				ptr->data = (byte *)mallocAndZero(ptr->dataSize);
			s.syncBytes(ptr->data, ptr->dataSize);
		}

		if (s.isLoading()) {
			ptr->nextScriptPtr = NULL;
			entry->nextScriptPtr = ptr;
			entry = ptr;
		} else {
			ptr = ptr->nextScriptPtr;
		}
	}
}

void CGEEngine::syncHeader(Common::Serializer &s) {
	debugC(1, kCGEDebugEngine, "CGEEngine::syncHeader(s)");

	int i = kDemo;

	s.syncAsUint16LE(_now);
	s.syncAsUint16LE(_oldLev);
	s.syncAsUint16LE(i);        // unused Demo string id
	for (i = 0; i < 5; i++)
		s.syncAsUint16LE(_game);
	s.syncAsSint16LE(i);		// unused VGA::Mono variable
	s.syncAsUint16LE(_music);
	s.syncBytes(_volume, 2);
	for (i = 0; i < 4; i++)
		s.syncAsUint16LE(_flag[i]);

	if (s.isLoading()) {
		// Reset scene values
		initSceneValues();
	}

	for (i = 0; i < kSceneMax; i++) {
		s.syncAsSint16LE(_heroXY[i].x);
		s.syncAsUint16LE(_heroXY[i].y);
	}
	for (i = 0; i < 1 + kSceneMax; i++) {
		s.syncAsByte(_barriers[i]._horz);
		s.syncAsByte(_barriers[i]._vert);
	}
	for (i = 0; i < kPocketNX; i++)
		s.syncAsUint16LE(_pocref[i]);

	if (s.isSaving()) {
		// Write checksum
		int checksum = kSavegameCheckSum;
		s.syncAsUint16LE(checksum);
	} else {
		// Read checksum and validate it
		uint16 checksum = 0;
		s.syncAsUint16LE(checksum);
		if (checksum != kSavegameCheckSum)
			error("%s", _text->getText(kBadSVG));
	}
}

void CGE2Engine::syncHeader(Common::Serializer &s) {
	s.syncAsUint16LE(_now);
	s.syncAsUint16LE(_sex);
	s.syncAsUint16LE(_vga->_rot._len);
	s.syncAsUint16LE(_waitSeq);
	s.syncAsUint16LE(_waitRef);

	if (s.isSaving()) {
		// Write checksum
		int checksum = kSavegameCheckSum;
		s.syncAsUint16LE(checksum);
	} else {
		// Read checksum and validate it
		uint16 checksum = 0;
		s.syncAsUint16LE(checksum);
		if (checksum != kSavegameCheckSum)
			error("%s", _text->getText(kBadSVG));
	}
}

//////////////////////////////////////////////////////////////////////////
// Savegame
//////////////////////////////////////////////////////////////////////////
void SoundQueue::saveLoadWithSerializer(Common::Serializer &s) {
	Common::StackLock locker(_mutex);

	s.syncAsUint32LE(_state);
	s.syncAsUint32LE(_currentType);

	// Compute the number of entries to save
	uint32 numEntries = count();
	s.syncAsUint32LE(numEntries);

	// Save or load each entry data
	if (s.isSaving()) {
		for (Common::List<SoundEntry *>::iterator i = _soundList.begin(); i != _soundList.end(); ++i)
			(*i)->saveLoadWithSerializer(s);
	} else {
		warning("[Sound::saveLoadWithSerializer] Loading not implemented");
		s.skip(numEntries * 64);
	}
}

//////////////////////////////////////////////////////////////////////////
// Savegame
//////////////////////////////////////////////////////////////////////////
void SoundQueue::saveLoadWithSerializer(Common::Serializer &s) {
	s.syncAsUint32LE(_ambientState);
	s.syncAsUint32LE(_currentTag);

	// Save or load each entry data
	if (s.isSaving()) {
		// Compute the number of entries to save
		uint32 numEntries = count();
		s.syncAsUint32LE(numEntries);

		for (Common::List<SoundEntry *>::iterator i = _soundList.begin(); i != _soundList.end(); ++i)
			if ((*i)->needSaving())
				(*i)->saveLoadWithSerializer(s);
	} else {
		uint32 numEntries;
		s.syncAsUint32LE(numEntries);
		for (uint32 i = 0; i < numEntries; i++) {
			SoundEntry* entry = new SoundEntry(_engine);
			entry->saveLoadWithSerializer(s);
			addToQueue(entry);
		}
	}
}

static void syncIncrust(Common::Serializer &s) {
	int numEntries = 0;
	backgroundIncrustStruct *pl, *pl1;
	uint8 dummyByte = 0;
	uint16 dummyWord = 0;
	uint32 dummyLong = 0;

	if (s.isSaving()) {
		// Figure out the number of entries to save
		pl = backgroundIncrustHead.next;
		while (pl) {
			++numEntries;
			pl = pl->next;
		}
	}
	s.syncAsSint16LE(numEntries);

	pl = s.isSaving() ? backgroundIncrustHead.next : &backgroundIncrustHead;
	pl1 = &backgroundIncrustHead;

	for (int i = 0; i < numEntries; ++i) {
		backgroundIncrustStruct *t = s.isSaving() ? pl :
			(backgroundIncrustStruct *)mallocAndZero(sizeof(backgroundIncrustStruct));

		s.syncAsUint32LE(dummyLong);

		s.syncAsSint16LE(t->objectIdx);
		s.syncAsSint16LE(t->type);
		s.syncAsSint16LE(t->overlayIdx);
		s.syncAsSint16LE(t->X);
		s.syncAsSint16LE(t->Y);
		s.syncAsSint16LE(t->frame);
		s.syncAsSint16LE(t->scale);
		s.syncAsSint16LE(t->backgroundIdx);
		s.syncAsSint16LE(t->scriptNumber);
		s.syncAsSint16LE(t->scriptOverlayIdx);
		s.syncAsUint32LE(dummyLong);
		s.syncAsSint16LE(t->saveWidth);
		s.syncAsSint16LE(t->saveHeight);
		s.syncAsSint16LE(t->saveSize);
		s.syncAsSint16LE(t->savedX);
		s.syncAsSint16LE(t->savedY);
		s.syncBytes((byte *)t->name, 13);
		s.syncAsByte(dummyByte);
		s.syncAsSint16LE(t->spriteId);
		s.syncAsUint16LE(dummyWord);

		if (t->saveSize) {
			if (s.isLoading())
				t->ptr = (byte *)MemAlloc(t->saveSize);

			s.syncBytes(t->ptr, t->saveSize);
		}

		if (s.isSaving())
			pl = pl->next;
		else {
			t->next = NULL;
			pl->next = t;
			t->prev = pl1->prev;
			pl1->prev = t;
			pl = t;
		}
	}
}

static void syncOverlays2(Common::Serializer &s) {

	for (int i = 1; i < numOfLoadedOverlay; i++) {

		if (s.isSaving()) {
			// Saving code
			if (!overlayTable[i].alreadyLoaded)
				continue;

			ovlDataStruct *ovlData = overlayTable[i].ovlData;

			// save BSS
			s.syncAsSint16LE(ovlData->sizeOfData4);
			if (ovlData->sizeOfData4)
				s.syncBytes(ovlData->data4Ptr, ovlData->sizeOfData4);

			// save variables
			s.syncAsSint16LE(ovlData->size9);
			for (int j = 0; j < ovlData->size9; j++) {
				s.syncAsSint16LE(ovlData->arrayObjVar[j].X);
				s.syncAsSint16LE(ovlData->arrayObjVar[j].Y);
				s.syncAsSint16LE(ovlData->arrayObjVar[j].Z);
				s.syncAsSint16LE(ovlData->arrayObjVar[j].frame);
				s.syncAsSint16LE(ovlData->arrayObjVar[j].scale);
				s.syncAsSint16LE(ovlData->arrayObjVar[j].state);
			}
		} else {
			// Loading code
			ovlRestoreData[i]._sBssSize = ovlRestoreData[i]._sNumObj = 0;
			ovlRestoreData[i]._pBss = NULL;
			ovlRestoreData[i]._pObj = NULL;

			if (overlayTable[i].alreadyLoaded) {
				s.syncAsSint16LE(ovlRestoreData[i]._sBssSize);

				if (ovlRestoreData[i]._sBssSize) {
					ovlRestoreData[i]._pBss = (uint8 *) mallocAndZero(ovlRestoreData[i]._sBssSize);
					ASSERT(ovlRestoreData[i]._pBss);

					s.syncBytes(ovlRestoreData[i]._pBss, ovlRestoreData[i]._sBssSize);
				}

				s.syncAsSint16LE(ovlRestoreData[i]._sNumObj);

				if (ovlRestoreData[i]._sNumObj) {
					ovlRestoreData[i]._pObj = (objectParams *) mallocAndZero(ovlRestoreData[i]._sNumObj * sizeof(objectParams));
					ASSERT(ovlRestoreData[i]._pObj);

					for (int j = 0; j < ovlRestoreData[i]._sNumObj; j++) {
						s.syncAsSint16LE(ovlRestoreData[i]._pObj[j].X);
						s.syncAsSint16LE(ovlRestoreData[i]._pObj[j].Y);
						s.syncAsSint16LE(ovlRestoreData[i]._pObj[j].Z);
						s.syncAsSint16LE(ovlRestoreData[i]._pObj[j].frame);
						s.syncAsSint16LE(ovlRestoreData[i]._pObj[j].scale);
						s.syncAsSint16LE(ovlRestoreData[i]._pObj[j].state);
					}
				}
			}
		}
	}
}

void AvalancheEngine::synchronize(Common::Serializer &sz) {
	_animation->synchronize(sz);
	_parser->synchronize(sz);
	_nim->synchronize(sz);
	_sequence->synchronize(sz);
	_background->synchronize(sz);

	sz.syncAsByte(_carryNum);
	for (int i = 0; i < kObjectNum; i++)
		sz.syncAsByte(_objects[i]);
	sz.syncAsSint16LE(_score);
	sz.syncAsSint32LE(_money);
	sz.syncAsByte(_room);
	if (sz.isSaving())
		_saveNum++;
	sz.syncAsByte(_saveNum);
	sz.syncBytes(_roomCount, 100);
	sz.syncAsByte(_wonNim);
	sz.syncAsByte(_wineState);
	sz.syncAsByte(_cwytalotGone);
	sz.syncAsByte(_passwordNum);
	sz.syncAsByte(_aylesIsAwake);
	sz.syncAsByte(_drawbridgeOpen);
	sz.syncAsByte(_avariciusTalk);
	sz.syncAsByte(_rottenOnion);
	sz.syncAsByte(_onionInVinegar);
	sz.syncAsByte(_givenToSpludwick);
	sz.syncAsByte(_brummieStairs);
	sz.syncAsByte(_cardiffQuestionNum);
	sz.syncAsByte(_passedCwytalotInHerts);
	sz.syncAsByte(_avvyIsAwake);
	sz.syncAsByte(_avvyInBed);
	sz.syncAsByte(_userMovesAvvy);
	sz.syncAsByte(_npcFacing);
	sz.syncAsByte(_givenBadgeToIby);
	sz.syncAsByte(_friarWillTieYouUp);
	sz.syncAsByte(_tiedUp);
	sz.syncAsByte(_boxContent);
	sz.syncAsByte(_talkedToCrapulus);
	sz.syncAsByte(_jacquesState);
	sz.syncAsByte(_bellsAreRinging);
	sz.syncAsByte(_standingOnDais);
	sz.syncAsByte(_takenPen);
	sz.syncAsByte(_arrowInTheDoor);

	if (sz.isSaving()) {
		uint16 like2drinkSize = _favoriteDrink.size();
		sz.syncAsUint16LE(like2drinkSize);
		for (uint16 i = 0; i < like2drinkSize; i++) {
			char actChr = _favoriteDrink[i];
			sz.syncAsByte(actChr);
		}

		uint16 favoriteSongSize = _favoriteSong.size();
		sz.syncAsUint16LE(favoriteSongSize);
		for (uint16 i = 0; i < favoriteSongSize; i++) {
			char actChr = _favoriteSong[i];
			sz.syncAsByte(actChr);
		}

		uint16 worst_place_on_earthSize = _worstPlaceOnEarth.size();
		sz.syncAsUint16LE(worst_place_on_earthSize);
		for (uint16 i = 0; i < worst_place_on_earthSize; i++) {
			char actChr = _worstPlaceOnEarth[i];
			sz.syncAsByte(actChr);
		}

		uint16 spare_eveningSize = _spareEvening.size();
		sz.syncAsUint16LE(spare_eveningSize);
		for (uint16 i = 0; i < spare_eveningSize; i++) {
			char actChr = _spareEvening[i];
			sz.syncAsByte(actChr);
		}
	} else {
		if (!_favoriteDrink.empty())
			_favoriteDrink.clear();
		uint16 like2drinkSize = 0;
		char actChr = ' ';
		sz.syncAsUint16LE(like2drinkSize);
		for (uint16 i = 0; i < like2drinkSize; i++) {
			sz.syncAsByte(actChr);
			_favoriteDrink += actChr;
		}

		if (!_favoriteSong.empty())
			_favoriteSong.clear();
		uint16 favoriteSongSize = 0;
		sz.syncAsUint16LE(favoriteSongSize);
		for (uint16 i = 0; i < favoriteSongSize; i++) {
			sz.syncAsByte(actChr);
			_favoriteSong += actChr;
		}

		if (!_worstPlaceOnEarth.empty())
			_worstPlaceOnEarth.clear();
		uint16 worst_place_on_earthSize = 0;
		sz.syncAsUint16LE(worst_place_on_earthSize);
		for (uint16 i = 0; i < worst_place_on_earthSize; i++) {
			sz.syncAsByte(actChr);
			_worstPlaceOnEarth += actChr;
//.........这里部分代码省略.........