ADL: Implement hires6 showRoom() var handling

Author: waltervn

engines/adl/adl.cpp

@@ -386,10 +386,6 @@ void AdlEngine::initState() {
 	initGameState();
 }
 
-void AdlEngine::printRoomDescription() {
-	printString(_roomData.description);
-}
-
 byte AdlEngine::roomArg(byte room) const {
 	return room;
 }

engines/adl/adl.h

@@ -241,7 +241,6 @@ friend class Console;
 
 	virtual void setupOpcodeTables();
 	virtual void initState();
-	virtual void printRoomDescription();
 	virtual byte roomArg(byte room) const;
 	virtual void advanceClock() { }
 

engines/adl/adl_v2.cpp

@@ -278,7 +278,7 @@ void AdlEngine_v2::showRoom() {
 		drawItems();
 
 	_display->updateHiResScreen();
-	printRoomDescription();
+	printString(_roomData.description);
 
 	// FIXME: move to main loop?
 	_linesPrinted = 0;

engines/adl/adl_v2.h

@@ -51,7 +51,7 @@ class AdlEngine_v2 : public AdlEngine {
 	void drawItems();
 	void drawItem(Item &item, const Common::Point &pos);
 	void loadRoom(byte roomNr);
-	void showRoom();
+	virtual void showRoom();
 	void takeItem(byte noun);
 
 	virtual void applyDataBlockOffset(byte &track, byte &sector) const { }

engines/adl/hires1.cpp

@@ -348,7 +348,7 @@ void HiRes1Engine::showRoom() {
 
 	_display->updateHiResScreen();
 	_messageDelay = false;
-	printRoomDescription();
+	printString(_roomData.description);
 	_messageDelay = true;
 }
 

engines/adl/hires6.cpp

@@ -240,9 +240,51 @@ void HiRes6Engine::initGameState() {
 	_currVerb = _currNoun = 0;
 }
 
-void HiRes6Engine::printRoomDescription() {
+void HiRes6Engine::showRoom() {
+	bool redrawPic = false;
+
+	if (getVar(26) == 0xfe)
+		setVar(26, 0);
+	else if (getVar(26) != 0xff)
+		setVar(26, _state.room);
+
+	if (_state.room != _roomOnScreen) {
+		loadRoom(_state.room);
+
+		if (getVar(26) < 0x80 && getCurRoom().isFirstTime)
+			setVar(26, 0);
+
+		clearScreen();
+
+		if (!_state.isDark)
+			redrawPic = true;
+	} else {
+		if (getCurRoom().curPicture != _picOnScreen || _itemRemoved)
+			redrawPic = true;
+	}
+
+	if (redrawPic) {
+		_roomOnScreen = _state.room;
+		_picOnScreen = getCurRoom().curPicture;
+
+		drawPic(getCurRoom().curPicture);
+		_itemRemoved = false;
+		_itemsOnScreen = 0;
+
+		Common::List<Item>::iterator item;
+		for (item = _state.items.begin(); item != _state.items.end(); ++item)
+			item->isOnScreen = false;
+	}
+
+	if (!_state.isDark)
+		drawItems();
+
+	_display->updateHiResScreen();
 	setVar(2, 0xff);
-	AdlEngine_v3::printRoomDescription();
+	printString(_roomData.description);
+
+	// FIXME: move to main loop?
+	_linesPrinted = 0;
 }
 
 void HiRes6Engine::applyDataBlockOffset(byte &track, byte &sector) const {

engines/adl/hires6.h

@@ -58,6 +58,7 @@ class HiRes6Engine : public AdlEngine_v3 {
 	void init();
 	void initGameState();
 	void printRoomDescription();
+	void showRoom();
 
 	// AdlEngine_v2
 	void printString(const Common::String &str);