PRINCE: Room struct implementation and objects drawing fix

engines/prince/object.cpp

@@ -32,7 +32,7 @@
 
 namespace Prince {
 
-Object::Object() : _surface(NULL), _x(0), _y(0), _z(0) {
+Object::Object() : _surface(NULL), _x(0), _y(0), _z(0), _overlay(0) {
 }
 
 Object::~Object() {
@@ -45,9 +45,11 @@ Object::~Object() {
 
 void Object::loadSurface(Common::SeekableReadStream &stream) {
 	stream.skip(4);
-
+	int width = stream.readUint16LE();
+	int height = stream.readUint16LE();
 	_surface = new Graphics::Surface();
-	_surface->create(stream.readUint16LE(), stream.readUint16LE(), Graphics::PixelFormat::createFormatCLUT8());
+	_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+
 	for (int h = 0; h < _surface->h; ++h) {
 		stream.read(_surface->getBasePtr(0, h), _surface->w);
 	}
@@ -71,11 +73,12 @@ bool Object::loadFromStream(Common::SeekableReadStream &stream) {
 	loadSurface(*obStream);
 	delete obStream;
 
+	_overlay = stream.readUint16LE();
 	_z = stream.readUint16LE();
 	
 	stream.seek(pos + 16);
 
-	debug("Object x %d, y %d, z %d", _x, _y, _z);
+	debug("Object x %d, y %d, z %d overlay %d", _x, _y, _z, _overlay);
 
 	return true;
 }

engines/prince/object.h

@@ -35,12 +35,10 @@ public:
 
 	bool loadFromStream(Common::SeekableReadStream &stream);
 	const Graphics::Surface *getSurface() const { return _surface; }
-
+	uint16 _x, _y, _z, _overlay;
 private:
 	void loadSurface(Common::SeekableReadStream &stream);
-
 	Graphics::Surface *_surface; 
-	uint16 _x, _y, _z;
 };
 
 }

engines/prince/prince.cpp

@@ -76,7 +76,7 @@ void PrinceEngine::debugEngine(const char *s, ...) {
 
 PrinceEngine::PrinceEngine(OSystem *syst, const PrinceGameDescription *gameDesc) : 
 	Engine(syst), _gameDescription(gameDesc), _graph(nullptr), _script(nullptr), _interpreter(nullptr), _flags(nullptr),
-	_locationNr(0), _debugger(nullptr), _midiPlayer(nullptr),
+	_locationNr(0), _debugger(nullptr), _midiPlayer(nullptr), _room(nullptr),
 	_cameraX(0), _newCameraX(0), _frameNr(0), _cursor1(nullptr), _cursor2(nullptr), _font(nullptr),
 	_suitcaseBmp(nullptr), _roomBmp(nullptr), _cursorNr(0), _picWindowX(0), _picWindowY(0) {
 
@@ -108,6 +108,7 @@ PrinceEngine::~PrinceEngine() {
 	delete _variaTxt;
 	delete[] _talkTxt;
 	delete _graph;
+	delete _room;
 
 	for (uint i = 0; i < _objList.size(); i++) {
 		delete _objList[i];
@@ -195,6 +196,8 @@ void PrinceEngine::init() {
 
 	_roomBmp = new Image::BitmapDecoder();
 
+	_room = new Room();
+
 	_mainHero = new Hero(this, _graph);
 	_secondHero = new Hero(this, _graph);
 
@@ -298,12 +301,6 @@ bool PrinceEngine::loadLocation(uint16 locationNr) {
 
 	_picWindowX = 0;
 
-	_mainHero->_lightX = _script->getLightX(_locationNr);
-	_mainHero->_lightY = _script->getLightY(_locationNr);
-	_mainHero->setShadowScale(_script->getShadowScale(_locationNr));
-	debug("lightX: %d", _mainHero->_lightX);
-	debug("lightY: %d", _mainHero->_lightY);
-
 	_mobList.clear();
 	Resource::loadResource(_mobList, "mob.lst", false);
 
@@ -316,6 +313,12 @@ bool PrinceEngine::loadLocation(uint16 locationNr) {
 	_animList.clear();
 	Resource::loadResource(_animList, "anim.lst", false);
 
+	_mainHero->_lightX = _script->getLightX(_locationNr);
+	_mainHero->_lightY = _script->getLightY(_locationNr);
+	_mainHero->setShadowScale(_script->getShadowScale(_locationNr));
+
+	_room->loadRoom(_script->getRoomOffset(_locationNr));
+
 	_graph->makeShadowTable(70, _graph->_shadowTable70);
 	_graph->makeShadowTable(50, _graph->_shadowTable50);
 
@@ -688,10 +691,13 @@ void PrinceEngine::drawScreen() {
 	}
 
 	playNextFrame();
-
+	/*
-	//if (_objectList)
+	if (!_objList.empty()) {
-	//	  _graph->drawTransparent(_objectList->getSurface());
+		for (int i = 0; i < _objList.size(); i++) {
-
+			_graph->drawTransparent(_objList[i]->_x, _objList[i]->_y, _objList[i]->getSurface());
+		}
+	}
+	*/
 	hotspot();
 
 	showTexts();

engines/prince/prince.h

@@ -63,6 +63,7 @@ class MhwanhDecoder;
 class Font;
 class Hero;
 class Animation;
+class Room;
 
 struct Text {
 	const char *_str;
@@ -177,7 +178,7 @@ private:
 	Interpreter *_interpreter;
 	Font *_font;
 	MusicPlayer *_midiPlayer;
-
+	Room *_room;
 
 	static const uint32 MAX_SAMPLES = 60;	
 	Common::SeekableReadStream *_voiceStream[MAX_SAMPLES];

engines/prince/script.cpp

@@ -40,6 +40,29 @@ static const uint16 NUM_OPCODES = 144;
 
 Room::Room() {}
 
+bool Room::loadRoom(byte *roomData) {
+	int roomSize = 64;
+	Common::MemoryReadStream roomStream(roomData, roomSize);
+	
+	_mobs = roomStream.readSint32LE();
+	_backAnim = roomStream.readSint32LE();
+	_obj = roomStream.readSint32LE();
+	_nak = roomStream.readSint32LE();
+	_itemUse = roomStream.readSint32LE();
+	_itemGive = roomStream.readSint32LE();
+	_walkTo = roomStream.readSint32LE();
+	_examine = roomStream.readSint32LE();
+	_pickup = roomStream.readSint32LE();
+	_use = roomStream.readSint32LE();
+	_pushOpen = roomStream.readSint32LE();
+	_pullClose = roomStream.readSint32LE();
+	_talk = roomStream.readSint32LE();
+	_give = roomStream.readSint32LE();
+
+	return true;
+}
+
+/*
 void Room::loadMobs(Common::SeekableReadStream &stream) {
 	debug("loadMobs %d", stream.pos());
 	static const uint8 MAX_MOBS = 64;
@@ -73,7 +96,8 @@ void Room::loadPushOpen(Common::SeekableReadStream &stream) {}
 void Room::loadPullClose(Common::SeekableReadStream &stream) {}
 void Room::loadTalk(Common::SeekableReadStream &stream) {}
 void Room::loadGive(Common::SeekableReadStream &stream) {}
-
+*/
+/*
 void Room::nextLoadStep(Common::SeekableReadStream &stream, LoadingStep step) {
 	uint32 offset = stream.readUint32LE();
 	uint32 pos = stream.pos();
@@ -85,7 +109,8 @@ void Room::nextLoadStep(Common::SeekableReadStream &stream, LoadingStep step) {
 
 	stream.seek(pos);
 }
-
+*/
+/*
 bool Room::loadFromStream(Common::SeekableReadStream &stream) {
 
 	uint32 pos = stream.pos();
@@ -109,8 +134,9 @@ bool Room::loadFromStream(Common::SeekableReadStream &stream) {
 	static const uint8 ROOM_ENTRY_SIZE = 64;
 	stream.seek(pos + ROOM_ENTRY_SIZE);
 
-	return true;;
+	return true;
 }
+*/
 
 Script::Script() : _data(nullptr), _dataSize(0) {
 }
@@ -174,6 +200,10 @@ uint32 Script::getStartGameOffset() {
 	return _scriptInfo.startGame;
 }
 
+uint8 *Script::getRoomOffset(int locationNr) {
+	return &_data[_scriptInfo.rooms + locationNr * 64]; // Room_Len (64?)
+}
+
 InterpreterFlags::InterpreterFlags() {
 	resetAllFlags();
 }

engines/prince/script.h

@@ -47,8 +47,24 @@ namespace Detail {
 class Room {
 public:
 	Room();
+	int _mobs; // mob flag offset
+	int _backAnim; // offset to array of animation numbers
+	int _obj; // offset to array of object numbers
+	int _nak; // offset to array of overlays
+	int _itemUse;
+	int _itemGive;
+	int _walkTo; // offset to array of WALKTO events or 0
+	int _examine; // offset to array of EXAMINE events or 0
+	int _pickup;
+	int _use;
+	int _pushOpen;
+	int _pullClose;
+	int _talk;
+	int _give;
+	//Room_Pad	db	64-(Room_Pad-Room_Mobs) dup (0) ???
 
 	bool loadFromStream(Common::SeekableReadStream &stream);
+	bool loadRoom(byte *roomData);
 
 private:
 
@@ -109,11 +125,11 @@ public:
 		return Detail::LittleEndianReader<T>(&_data[address]);
 	}
 
-	//uint32 getRoomTableOffset();
 	uint32 getStartGameOffset();
 	int16 getLightX(int locationNr);
 	int16 getLightY(int locationNr);
 	int32 getShadowScale(int locationNr);
+	uint8 *getRoomOffset(int locationNr);
 
 	const char *getString(uint32 offset) {
 		return (const char *)(&_data[offset]);