NEVERHOOD: Don't load a DataResource if the same data is already load…

…ed; this fixes a nasty bug in several scenes which use message lists from a DataResource

engines/neverhood/gamemodule.cpp

@@ -400,9 +400,9 @@ void GameModule::startup() {
 	// <<<DEBUG
 
 #if 1
-	_vm->gameState().which = 0;
-	_vm->gameState().sceneNum = 0;
-	createModule(2500, -1);
+	_vm->gameState().which = 1;
+	_vm->gameState().sceneNum = 1;
+	createModule(1000, -1);
 #endif
 #if 0
 	_vm->gameState().sceneNum = 5;

engines/neverhood/resource.cpp

@@ -353,7 +353,9 @@ DataResource::~DataResource() {
 }
 
 void DataResource::load(uint32 fileHash) {
-	debug(2, "DataResource::load(%08X)", fileHash);
+	if (_resourceHandle.fileHash() == fileHash)
+		return;
+	debug("DataResource::load(%08X)", fileHash);
 	const byte *data = NULL;
 	uint32 dataSize = 0;
 	unload();
@@ -497,7 +499,6 @@ void DataResource::load(uint32 fileHash) {
 }
 
 void DataResource::unload() {
-	_vm->_res->unloadResource(_resourceHandle);
 	_directory.clear();
 	_points.clear();
 	for (Common::Array<NPointArray*>::iterator it = _pointArrays.begin(); it != _pointArrays.end(); ++it)
@@ -516,6 +517,7 @@ void DataResource::unload() {
 	for (Common::Array<DRSubRectList*>::iterator it = _drSubRectLists.begin(); it != _drSubRectLists.end(); ++it)
 		delete (*it);
 	_drSubRectLists.clear();
+	_vm->_res->unloadResource(_resourceHandle);
 }
 
 NPoint DataResource::getPoint(uint32 nameHash) {

engines/neverhood/scene.cpp

@@ -397,7 +397,16 @@ void Scene::processMessageList() {
 		_messageListStatus = 0;
 	}
 
-	if (_messageList && _klayman) {
+	if (_messageList && _klayman) {	
+
+#if 0
+		debug("MessageList: %p, %d", (void*)_messageList, _messageList->size());
+		for (uint i = 0; i < _messageList->size(); ++i) {
+			if (i == _messageListIndex) debugN("**"); else debugN("  ");
+			debug("(%08X, %08X)", (*_messageList)[i].messageNum, (*_messageList)[i].messageValue);
+		}
+		debug("--------------------------------");
+#endif
 
 		while (_messageList && _messageListIndex < _messageListCount && !_isKlaymanBusy) {
 			uint32 messageNum = (*_messageList)[_messageListIndex].messageNum;

engines/neverhood/staticdata.cpp

@@ -42,7 +42,7 @@ void StaticData::load(const char *filename) {
 
 	// Load message lists
 	uint32 messageListsCount = fd.readUint32LE();
-	debug("messageListsCount: %d", messageListsCount);
+	debug(3, "messageListsCount: %d", messageListsCount);
 	for (uint32 i = 0; i < messageListsCount; i++) {
 		MessageList *messageList = new MessageList();
 		uint32 id = fd.readUint32LE();
@@ -58,7 +58,7 @@ void StaticData::load(const char *filename) {
 
 	// Load rect lists
 	uint32 rectListsCount = fd.readUint32LE();
-	debug("rectListsCount: %d", rectListsCount);
+	debug(3, "rectListsCount: %d", rectListsCount);
 	for (uint32 i = 0; i < rectListsCount; i++) {
 		RectList *rectList = new RectList();
 		uint32 id = fd.readUint32LE();
@@ -87,7 +87,7 @@ void StaticData::load(const char *filename) {
 
 	// Load hit rects
 	uint32 hitRectListsCount = fd.readUint32LE();
-	debug("hitRectListsCount: %d", hitRectListsCount);
+	debug(3, "hitRectListsCount: %d", hitRectListsCount);
 	for (uint32 i = 0; i < hitRectListsCount; i++) {
 		HitRectList *hitRectList = new HitRectList();
 		uint32 id = fd.readUint32LE();
@@ -106,7 +106,7 @@ void StaticData::load(const char *filename) {
 
 	// Load navigation lists
 	uint32 navigationListsCount = fd.readUint32LE();
-	debug("navigationListsCount: %d", navigationListsCount);
+	debug(3, "navigationListsCount: %d", navigationListsCount);
 	for (uint32 i = 0; i < navigationListsCount; i++) {
 		NavigationList *navigationList = new NavigationList();
 		uint32 id = fd.readUint32LE();
@@ -127,7 +127,7 @@ void StaticData::load(const char *filename) {
 
 	// Load HallOfRecordsInfo items
 	uint32 hallOfRecordsInfoItemsCount = fd.readUint32LE();
-	debug("hallOfRecordsInfoItemsCount: %d", hallOfRecordsInfoItemsCount);
+	debug(3, "hallOfRecordsInfoItemsCount: %d", hallOfRecordsInfoItemsCount);
 	for (uint32 i = 0; i < hallOfRecordsInfoItemsCount; i++) {
 		HallOfRecordsInfo *hallOfRecordsInfo = new HallOfRecordsInfo();
 		uint32 id = fd.readUint32LE();
@@ -142,7 +142,7 @@ void StaticData::load(const char *filename) {
 
 	// Load TrackInfo items
 	uint32 trackInfoItemsCount = fd.readUint32LE();
-	debug("trackInfoItemsCount: %d", trackInfoItemsCount);
+	debug(3, "trackInfoItemsCount: %d", trackInfoItemsCount);
 	for (uint32 i = 0; i < trackInfoItemsCount; i++) {
 		TrackInfo *trackInfo = new TrackInfo();
 		uint32 id = fd.readUint32LE();