Partial resolution change support

2025-09-23 06:53:43 +00:00 · 2020-04-01 14:53:44 -04:00
parent e114d5c5dd
commit 6326a0b2d9
24 changed files with 495 additions and 124 deletions
--- a/GpApp/DynamicMaps.cpp
+++ b/GpApp/DynamicMaps.cpp
@@ -112,6 +112,8 @@ short ReBackUpSavedMap (Rect *theRect, short where, short who)
 			foundIndex = i;
 			mapRect = *theRect;
 			ZeroRectCorner(&mapRect);
+
+			savedMaps[foundIndex].dest = *theRect;
 			
 			CopyBits((BitMap *)*GetGWorldPixMap(backSrcMap), 
 					GetPortBitMapForCopyBits(savedMaps[foundIndex].map), 
@@ -544,7 +546,7 @@ void BackUpPendulum (Rect *src, short index)

 // Backs up the pendulums in the event of lights going on or off.

-void ReBackUpPendulum (short where, short who)
+void ReBackUpPendulum (short where, short who, short h, short v)
 {
 	short		i, f;
 	
@@ -556,7 +558,12 @@ void ReBackUpPendulum (short where, short who)
 			{
 				if (pendulums[f].who == i)
 				{
-					BackUpPendulum(&pendulums[f].dest, i);
+					Rect &pendulumDest = pendulums[f].dest;
+					pendulumDest.right += h - pendulumDest.left;
+					pendulumDest.bottom += v - pendulumDest.top;
+					pendulumDest.left = h;
+					pendulumDest.top = v;
+					BackUpPendulum(&pendulumDest, i);
 					return;
 				}
 			}
--- a/GpApp/Dynamics3.cpp
+++ b/GpApp/Dynamics3.cpp
@@ -153,6 +153,48 @@ void RenderDynamics (void)
 	}
 }

+//--------------------------------------------------------------  ZeroDinah
+
+void ZeroDinah(dynaType &dinah)
+{
+	dinah.type = kObjectIsEmpty;
+	QSetRect(&dinah.dest, 0, 0, 0, 0);
+	QSetRect(&dinah.whole, 0, 0, 0, 0);
+	dinah.hVel = 0;
+	dinah.vVel = 0;
+	dinah.count = 0;
+	dinah.frame = 0;
+	dinah.timer = 0;
+	dinah.position = 0;
+	dinah.room = 0;
+	dinah.byte0 = 0;
+	dinah.active = false;
+}
+
+//--------------------------------------------------------------  ZeroDinahsNotInRoom
+void ZeroDinahsNotInRoom (SInt16 room)
+{
+	short		i;
+	short		newNumDynamics = 0;
+
+	for (i = 0; i < numDynamics; i++)
+	{
+		dynaType &dinah = dinahs[i];
+		if (dinah.room == room)
+		{
+			if (newNumDynamics != numDynamics)
+				memcpy(&dinahs[newNumDynamics], &dinahs[i], sizeof(dynaType));
+
+			newNumDynamics++;
+		}
+	}
+
+	for (i = newNumDynamics; i < kMaxDynamicObs; i++)
+		ZeroDinah(dinahs[i]);
+
+	numDynamics = newNumDynamics;
+}
+
 //--------------------------------------------------------------  ZeroDinahs

 // This clears all dynamics - zeros them all out.  Used to initialize them.
@@ -162,20 +204,8 @@ void ZeroDinahs (void)
 	short		i;
 	
 	for (i = 0; i < kMaxDynamicObs; i++)
-	{
-		dinahs[i].type = kObjectIsEmpty;
-		QSetRect(&dinahs[i].dest, 0, 0, 0, 0);
-		QSetRect(&dinahs[i].whole, 0, 0, 0, 0);
-		dinahs[i].hVel = 0;
-		dinahs[i].vVel = 0;
-		dinahs[i].count = 0;
-		dinahs[i].frame = 0;
-		dinahs[i].timer = 0;
-		dinahs[i].position = 0;
-		dinahs[i].room = 0;
-		dinahs[i].byte0 = 0;
-		dinahs[i].active = false;
-	}
+		ZeroDinah(dinahs[i]);
+
 	numDynamics = 0;
 }

@@ -553,3 +583,12 @@ short AddDynamicObject (short what, Rect *where, objectType *who,
 	return (numDynamics - 1);
 }

+void OffsetDynamics(SInt16 h, SInt16 v)
+{
+	for (int i = 0; i < numDynamics; i++)
+	{
+		dynaType &dinah = dinahs[i];
+		//QOffsetRect(&dinah.dest, h, v);
+		//QOffsetRect(&dinah.whole, h, v);
+	}
+}
--- a/GpApp/Environ.cpp
+++ b/GpApp/Environ.cpp
@@ -8,12 +8,14 @@

 #include "PLResources.h"
 #include "PLPasStr.h"
+#include "DisplayDeviceManager.h"
 #include "Externs.h"
 #include "Environ.h"
 #include "HostDisplayDriver.h"
 #include "HostSystemServices.h"
+#include "MenuManager.h"
 #include "IGpDisplayDriver.h"
-
+#include "WindowManager.h"

 #define	kSwitchDepthAlert		130
 #define kSetMemoryAlert			180
@@ -272,6 +274,18 @@ short HowManyUsableScreens (Boolean use1Bit, Boolean use4Bit, Boolean use8Bit)
 	return 1;
 }

+//--------------------------------------------------------------  FlushResolutionChange
+void FlushResolutionChange(void)
+{
+	if (thisMac.isResolutionDirty)
+	{
+		GetDeviceRect(&thisMac.screen);
+		thisMac.gray = thisMac.screen;
+		thisMac.gray.top = 20;
+		thisMac.isResolutionDirty = false;
+	}
+}
+
 //--------------------------------------------------------------  CheckOurEnvirons  
 // Calls all the above functions in order to fill out a sort of "spec sheet"<22>
 // for the current Mac.
@@ -293,10 +307,41 @@ void CheckOurEnvirons (void)
 	thisMac.can4Bit = true;
 	thisMac.can8Bit = true;
 	thisMac.numScreens = HowManyUsableScreens(false, true, true);
-	GetDeviceRect(&thisMac.screen);
 	
 	thisMac.wasDepth = WhatsOurDepth();
 	thisMac.wasColorOrGray = AreWeColorOrGrayscale();
+
+	thisMac.isResolutionDirty = true;
+	FlushResolutionChange();
+}
+
+//--------------------------------------------------------------  HandleResolutionChange
+// Installs handler
+void HandleResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight)
+{
+	PortabilityLayer::WindowManager::GetInstance()->HandleScreenResolutionChange(prevWidth, prevHeight, newWidth, newHeight);
+	PortabilityLayer::MenuManager::GetInstance()->DrawMenuBar();
+	thisMac.isResolutionDirty = true;	// Because of legacy code, we don't want to update thisMac.screen immediately, but rather, let the editor or game pick it up
+}
+
+class GpAppResolutionChangeHandler final : public PortabilityLayer::DisplayDeviceManager::IResolutionChangeHandler
+{
+public:
+	void OnResolutionChanged(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight) override
+	{
+		HandleResolutionChange(prevWidth, prevHeight, newWidth, newHeight);
+	}
+
+	static GpAppResolutionChangeHandler ms_instance;
+};
+
+GpAppResolutionChangeHandler GpAppResolutionChangeHandler::ms_instance;
+
+//--------------------------------------------------------------  InstallResolutionHandler
+// Installs handler
+void InstallResolutionHandler(void)
+{
+	PortabilityLayer::DisplayDeviceManager::GetInstance()->SetResolutionChangeHandler(&GpAppResolutionChangeHandler::ms_instance);
 }

 //--------------------------------------------------------------  ReflectMonitor2Environs
--- a/GpApp/Environ.h
+++ b/GpApp/Environ.h
@@ -28,9 +28,10 @@ typedef struct
 	Boolean		hasSM3;
 	Boolean		hasQT;
 	Boolean		hasDrag;
+	Boolean		isResolutionDirty;
 } macEnviron;


 extern macEnviron	thisMac;

-
+void FlushResolutionChange(void);
--- a/GpApp/Externs.h
+++ b/GpApp/Externs.h
@@ -167,6 +167,7 @@ void IgnoreThisClick (void);
 short WhatsOurDepth (void);								// --- Environs.c
 void SwitchToDepth (short, Boolean);
 void CheckOurEnvirons (void);
+void InstallResolutionHandler (void);
 //void ReflectSecondMonitorEnvirons (Boolean, Boolean, Boolean);
 void HandleDepthSwitching (void);
 void RestoreColorDepth (void);
--- a/GpApp/GliderProtos.h
+++ b/GpApp/GliderProtos.h
@@ -34,7 +34,7 @@ void ReBackUpTikiFlames (SInt16, SInt16);
 void AddTikiFlame (SInt16, SInt16, SInt16, SInt16);
 void ReBackUpBBQCoals (SInt16, SInt16);
 void AddBBQCoals (SInt16, SInt16, SInt16, SInt16);
-void ReBackUpPendulum (SInt16, SInt16);
+void ReBackUpPendulum (SInt16, SInt16, SInt16, SInt16);
 void AddPendulum (SInt16, SInt16, SInt16, SInt16);
 void ReBackUpStar (SInt16, SInt16);
 void AddStar (SInt16, SInt16, SInt16, SInt16);
@@ -73,7 +73,10 @@ void HandleFish (SInt16);
 void HandleDynamics (void);								// --- Dynamics3.c
 void RenderDynamics (void);
 void ZeroDinahs (void);
+void ZeroDinahsNotInRoom (SInt16);
+
 SInt16 AddDynamicObject (SInt16, Rect *, objectType *, SInt16, SInt16, Boolean);
+void OffsetDynamics(SInt16 h, SInt16 v);

 void DoGameOver (void);									// --- GameOver.c
 void FlagGameOver (void);
@@ -132,6 +135,7 @@ void FlagStillOvers (gliderPtr);

 void InitializeMenus (void);							// --- InterfaceInit.c
 void GetExtraCursors (void);
+void RecomputeInterfaceRects (void);
 void VariableInit (void);

 void GetDemoInput (gliderPtr);							// --- Input.c
@@ -407,7 +411,8 @@ Boolean DoesRoomHaveFloor (void);
 Boolean DoesRoomHaveCeiling (void);

 void ReadyLevel (void);									// --- RoomGraphics.c
-void DrawLocale (void);
+void ResetLocale (Boolean soft);
+void DrawLocale (Boolean soft);
 void RedrawRoomLighting (void);

 Boolean PictIDExists (SInt16);							// --- RoomInfo.c
@@ -470,6 +475,7 @@ void InitEnemies (void);
 void CreateOffscreens (void);							// --- StructuresInit2.c
 void CreatePointers (void);
 void InitSrcRects (void);
+PLError_t RecreateOffscreens (void);

 void UpdateToolsWindow (void);							// --- Tools.c
 void EraseSelectedTool (void);
--- a/GpApp/Grease.cpp
+++ b/GpApp/Grease.cpp
@@ -28,8 +28,7 @@ short		numGrease;

 extern	hotPtr		hotSpots;
 extern	savedType	savedMaps[];
-extern	Point		shieldPt;
-extern	Rect		greaseSrcRt[], greaseSrcLf[], shieldRect;
+extern	Rect		greaseSrcRt[], greaseSrcLf[];


 //==============================================================  Functions
--- a/GpApp/InterfaceInit.cpp
+++ b/GpApp/InterfaceInit.cpp
@@ -27,11 +27,10 @@ struct IGpCursor;
 extern	THandle<Rect>	mirrorRects;
 extern	WindowPtr		mapWindow, toolsWindow, linkWindow;
 extern	WindowPtr		menuWindow;
-extern	Rect			shieldRect, boardSrcRect, localRoomsDest[];
+extern	Rect			boardSrcRect, localRoomsDest[];
 extern	IGpCursor		*handCursor, *vertCursor, *horiCursor;
 extern	IGpCursor		*diagCursor;
 extern	MenuHandle		appleMenu, gameMenu, optionsMenu, houseMenu;
-extern	Point			shieldPt;
 extern	long			incrementModeTime;
 extern	UInt32			doubleTime;
 extern	short			fadeInSequence[], idleMode;
@@ -99,6 +98,34 @@ void GetExtraCursors (void)
 		RedAlert(kErrFailedResourceLoad);
 }

+//--------------------------------------------------------------  RecomputeScreenRects
+void RecomputeInterfaceRects (void)
+{
+	houseRect = thisMac.screen;
+	houseRect.bottom -= kScoreboardTall;
+	if (houseRect.right > kMaxViewWidth)
+		houseRect.right = kMaxViewWidth;
+	if (houseRect.bottom > kMaxViewHeight)
+		houseRect.bottom = kMaxViewHeight;
+
+	playOriginH = (RectWide(&thisMac.screen) - kRoomWide) / 2;
+	playOriginV = (RectTall(&thisMac.screen) - kTileHigh) / 2;
+
+	for (int i = 0; i < 9; i++)
+	{
+		QSetRect(&localRoomsDest[i], 0, 0, kRoomWide, kTileHigh);
+		QOffsetRect(&localRoomsDest[i], playOriginH, playOriginV);
+	}
+	QOffsetRect(&localRoomsDest[kNorthRoom], 0, -kVertLocalOffset);
+	QOffsetRect(&localRoomsDest[kNorthEastRoom], kRoomWide, -kVertLocalOffset);
+	QOffsetRect(&localRoomsDest[kEastRoom], kRoomWide, 0);
+	QOffsetRect(&localRoomsDest[kSouthEastRoom], kRoomWide, kVertLocalOffset);
+	QOffsetRect(&localRoomsDest[kSouthRoom], 0, kVertLocalOffset);
+	QOffsetRect(&localRoomsDest[kSouthWestRoom], -kRoomWide, kVertLocalOffset);
+	QOffsetRect(&localRoomsDest[kWestRoom], -kRoomWide, 0);
+	QOffsetRect(&localRoomsDest[kNorthWestRoom], -kRoomWide, -kVertLocalOffset);
+}
+
 //--------------------------------------------------------------  VariableInit

 // All the simple interface variables are intialized here - Booleans,<2C>
@@ -108,10 +135,6 @@ void VariableInit (void)
 {
 	short		i;
 	
-	shieldPt.h = 0;
-	shieldPt.v = 0;
-	shieldRect = thisMac.screen;
-	
 	menusUp = false;
 	quitting = false;
 	houseOpen = false;
@@ -186,28 +209,5 @@ void VariableInit (void)
 	nailSrcMap = nil;
 	menuWindow = nil;
 	
-	houseRect = thisMac.screen;
-	houseRect.bottom -= kScoreboardTall;
-	if (houseRect.right > kMaxViewWidth)
-		houseRect.right = kMaxViewWidth;
-	if (houseRect.bottom > kMaxViewHeight)
-		houseRect.bottom = kMaxViewHeight;
-	
-	playOriginH = (RectWide(&thisMac.screen) - kRoomWide) / 2;
-	playOriginV = (RectTall(&thisMac.screen) - kTileHigh) / 2;
-	
-	for (i = 0; i < 9; i++)
-	{
-		QSetRect(&localRoomsDest[i], 0, 0, kRoomWide, kTileHigh);
-		QOffsetRect(&localRoomsDest[i], playOriginH, playOriginV);
-	}
-	QOffsetRect(&localRoomsDest[kNorthRoom], 0, -kVertLocalOffset);
-	QOffsetRect(&localRoomsDest[kNorthEastRoom], kRoomWide, -kVertLocalOffset);
-	QOffsetRect(&localRoomsDest[kEastRoom], kRoomWide, 0);
-	QOffsetRect(&localRoomsDest[kSouthEastRoom], kRoomWide, kVertLocalOffset);
-	QOffsetRect(&localRoomsDest[kSouthRoom], 0, kVertLocalOffset);
-	QOffsetRect(&localRoomsDest[kSouthWestRoom], -kRoomWide, kVertLocalOffset);
-	QOffsetRect(&localRoomsDest[kWestRoom], -kRoomWide, 0);
-	QOffsetRect(&localRoomsDest[kNorthWestRoom], -kRoomWide, -kVertLocalOffset);
+	RecomputeInterfaceRects();
 }
-
--- a/GpApp/Main.cpp
+++ b/GpApp/Main.cpp
@@ -315,6 +315,7 @@ int gpAppMain()
 	
 	ToolBoxInit();
 	CheckOurEnvirons();
+	InstallResolutionHandler();
 	if (!thisMac.hasColor)
 		RedAlert(kErrNeedColorQD);
 	if (!thisMac.hasSystem7)
--- a/GpApp/ObjectDrawAll.cpp
+++ b/GpApp/ObjectDrawAll.cpp
@@ -333,8 +333,10 @@ void DrawARoomsObjects (short neighbor, Boolean redraw)
 					if (legit != -1)
 					{
 						DrawCuckoo(&itsRect);
+						short pendulumH = itsRect.left + 4;
+						short pendulumV = itsRect.top + 46;
 						if (redraw)
-							ReBackUpPendulum(localNumbers[neighbor], i);
+							ReBackUpPendulum(localNumbers[neighbor], i, pendulumH, pendulumV);
 						else
 							AddPendulum(localNumbers[neighbor], i, 
 									itsRect.left + 4, itsRect.top + 46);
--- a/GpApp/Play.cpp
+++ b/GpApp/Play.cpp
@@ -8,6 +8,7 @@

 #include "PLResources.h"
 #include "PLStandardColors.h"
+#include "DisplayDeviceManager.h"
 #include "Externs.h"
 #include "Environ.h"
 #include "House.h"
@@ -66,6 +67,7 @@ extern	short		numStarsRemaining, numChimes, saidFollow;
 extern	Boolean		quitting, isMusicOn, gameOver, hasMirror, onePlayerLeft;
 extern	Boolean		isPlayMusicIdle, failedMusic, quickerTransitions;
 extern	Boolean		switchedOut;
+extern	short		wasScoreboardTitleMode;


 //==============================================================  Functions
@@ -156,7 +158,7 @@ void NewGame (short mode)
 	
 //	DebugStr("\pIf screen isn't black, exit to shell.");	// TEMP TEMP TEMP
 	
-	DrawLocale();
+	ResetLocale(false);
 	RefreshScoreboard(kNormalTitleMode);
 //	if (quickerTransitions)
 //		DissBitsChunky(&justRoomsRect);
@@ -362,12 +364,42 @@ void SetHouseToSavedRoom (void)
 	ForceThisRoom(smallGame.roomNumber);
 }

+//--------------------------------------------------------------  HandleGameResolutionChange
+
+void HandleGameResolutionChange(void)
+{
+	short prevPlayOriginH = playOriginH;
+	short prevPlayOriginV = playOriginV;
+
+	Rect prevResolution = thisMac.screen;
+	FlushResolutionChange();
+
+	RecomputeInterfaceRects();
+	RecreateOffscreens();
+	CloseMainWindow();
+	OpenMainWindow();
+
+	if (hasMovie)
+		theMovie.m_surface = &mainWindow->m_surface;
+
+	OffsetDynamics(playOriginH - prevPlayOriginH, playOriginV - prevPlayOriginV);
+
+	ResetLocale(true);
+	RefreshScoreboard(wasScoreboardTitleMode);
+	DumpScreenOn(&justRoomsRect);
+}
+
 //--------------------------------------------------------------  PlayGame

 void PlayGame (void)
 {
 	while ((playing) && (!quitting))
 	{
+		if (thisMac.isResolutionDirty)
+		{
+			HandleGameResolutionChange();
+		}
+
 		gameFrame++;
 		evenFrame = !evenFrame;
 		
@@ -730,7 +762,7 @@ void RestoreEntireGameScreen (void)
 	surface->SetForeColor(StdColors::Black());
 	surface->FillRect(tempRect);
 	
-	DrawLocale();
+	ResetLocale(false);
 	RefreshScoreboard(kNormalTitleMode);
 //	if (quickerTransitions)
 //		DissBitsChunky(&justRoomsRect);
--- a/GpApp/Render.cpp
+++ b/GpApp/Render.cpp
@@ -34,9 +34,7 @@ void CopyRectsQD (void);

 Rect		work2MainRects[kMaxGarbageRects];
 Rect		back2WorkRects[kMaxGarbageRects];
-Rect		shieldRect;
 THandle<Rect>	mirrorRects;
-Point		shieldPt;
 long		nextFrame;
 short		numWork2Main, numBack2Work;
 Boolean		hasMirror;
--- a/GpApp/RoomGraphics.cpp
+++ b/GpApp/RoomGraphics.cpp
@@ -42,33 +42,39 @@ extern	Boolean		shadowVisible, takingTheStairs;
 //==============================================================  Functions
 //--------------------------------------------------------------  DrawLocale

-void DrawLocale (void)
+void ResetLocale (Boolean soft)
 {
-	short		i, roomV;
+	short		i;
 	char		wasState;
-	DrawSurface	*wasCPort;
-		
-	ZeroFlamesAndTheLike();
-	ZeroDinahs();
-	KillAllBands();
-	ZeroMirrorRegion();
-	ZeroTriggers();
-	numTempManholes = 0;
-	FlushAnyTriggerPlaying();
-	DumpTriggerSound();
-	tvInRoom = false;
-	tvWithMovieNumber = -1;
-	
-	roomV = (*thisHouse)->rooms[thisRoomNumber].floor;
-	
-	for (i = 0; i < 9; i++)
+
+	if (soft)
 	{
-		localNumbers[i] = GetNeighborRoomNumber(i);
-		isStructure[i] = IsRoomAStructure(localNumbers[i]);
 	}
-	ListAllLocalObjects();
-	
-	wasCPort = GetGraphicsPort();
+	else
+	{
+		ZeroFlamesAndTheLike();
+		ZeroDinahs();
+		KillAllBands();
+		ZeroMirrorRegion();
+		ZeroTriggers();
+		numTempManholes = 0;
+		FlushAnyTriggerPlaying();
+		DumpTriggerSound();
+		tvInRoom = false;
+		tvWithMovieNumber = -1;
+
+		for (i = 0; i < 9; i++)
+		{
+			localNumbers[i] = GetNeighborRoomNumber(i);
+			isStructure[i] = IsRoomAStructure(localNumbers[i]);
+		}
+		ListAllLocalObjects();
+	}
+
+	takingTheStairs = false;
+
+	DrawSurface	*wasCPort = GetGraphicsPort();
+	const short roomV = (*thisHouse)->rooms[thisRoomNumber].floor;

 	backSrcMap->SetForeColor(StdColors::Black());
 	backSrcMap->FillRect(backSrcRect);
@@ -77,52 +83,51 @@ void DrawLocale (void)
 	{
 		numLights = GetNumberOfLights(localNumbers[kNorthWestRoom]);
 		DrawRoomBackground(localNumbers[kNorthWestRoom], kNorthWestRoom, roomV + 1);
-		DrawARoomsObjects(kNorthWestRoom, false);
+		DrawARoomsObjects(kNorthWestRoom, soft);
 		
 		numLights = GetNumberOfLights(localNumbers[kNorthEastRoom]);
 		DrawRoomBackground(localNumbers[kNorthEastRoom], kNorthEastRoom, roomV + 1);
-		DrawARoomsObjects(kNorthEastRoom, false);
+		DrawARoomsObjects(kNorthEastRoom, soft);
 		
 		numLights = GetNumberOfLights(localNumbers[kNorthRoom]);
 		DrawRoomBackground(localNumbers[kNorthRoom], kNorthRoom, roomV + 1);
-		DrawARoomsObjects(kNorthRoom, false);
+		DrawARoomsObjects(kNorthRoom, soft);
 		
 		numLights = GetNumberOfLights(localNumbers[kSouthWestRoom]);
 		DrawRoomBackground(localNumbers[kSouthWestRoom], kSouthWestRoom, roomV - 1);
-		DrawARoomsObjects(kSouthWestRoom, false);
+		DrawARoomsObjects(kSouthWestRoom, soft);
 		
 		numLights = GetNumberOfLights(localNumbers[kSouthEastRoom]);
 		DrawRoomBackground(localNumbers[kSouthEastRoom], kSouthEastRoom, roomV - 1);
-		DrawARoomsObjects(kSouthEastRoom, false);
+		DrawARoomsObjects(kSouthEastRoom, soft);
 		
 		numLights = GetNumberOfLights(localNumbers[kSouthRoom]);
 		DrawRoomBackground(localNumbers[kSouthRoom], kSouthRoom, roomV - 1);
-		DrawARoomsObjects(kSouthRoom, false);
+		DrawARoomsObjects(kSouthRoom, soft);
 	}
 	
 	if (numNeighbors > 1)
 	{
 		numLights = GetNumberOfLights(localNumbers[kWestRoom]);
 		DrawRoomBackground(localNumbers[kWestRoom], kWestRoom, roomV);
-		DrawARoomsObjects(kWestRoom, false);
+		DrawARoomsObjects(kWestRoom, soft);
 		DrawLighting();
 		
 		numLights = GetNumberOfLights(localNumbers[kEastRoom]);
 		DrawRoomBackground(localNumbers[kEastRoom], kEastRoom, roomV);
-		DrawARoomsObjects(kEastRoom, false);
+		DrawARoomsObjects(kEastRoom, soft);
 		DrawLighting();
 	}
 	
 	numLights = GetNumberOfLights(localNumbers[kCentralRoom]);
 	DrawRoomBackground(localNumbers[kCentralRoom], kCentralRoom, roomV);
-	DrawARoomsObjects(kCentralRoom, false);
+	DrawARoomsObjects(kCentralRoom, soft);
 	DrawLighting();

 	if (numNeighbors > 3)
 		DrawFloorSupport();
 	RestoreWorkMap();
 	shadowVisible = IsShadowVisible();
-	takingTheStairs = false;
 	
 	SetGraphicsPort(wasCPort);
 }
@@ -385,7 +390,7 @@ void ReadyLevel (void)
 #endif
 	
 	DetermineRoomOpenings();
-	DrawLocale();
+	ResetLocale(false);
 	InitGarbageRects();
 }

--- a/GpApp/Scoreboard.cpp
+++ b/GpApp/Scoreboard.cpp
@@ -43,6 +43,7 @@ Rect		badgesDestRects[4];
 DrawSurface	*boardPSrcMap;
 long		displayedScore;
 short		wasScoreboardMode;
+short		wasScoreboardTitleMode;
 Boolean		doRollScore;

 extern	Rect		localRoomsDest[], justRoomsRect;
@@ -63,6 +64,7 @@ void MarkScoreboardPortDirty(void)

 void RefreshScoreboard (SInt16 mode)
 {
+	wasScoreboardTitleMode = mode;
 	doRollScore = true;
 	
 	RefreshRoomTitle(mode);
--- a/GpApp/StructuresInit2.cpp
+++ b/GpApp/StructuresInit2.cpp
@@ -11,6 +11,7 @@
 #include "GameOver.h"
 #include "MainWindow.h"
 #include "Objects.h"
+#include "QDManager.h"
 #include "RectUtils.h"
 #include "ResourceManager.h"
 #include "Room.h"
@@ -112,6 +113,34 @@ void InitAngel (void)
 	LoadGraphic(angelMaskMap, kAngelPictID + 1);
 }

+//--------------------------------------------------------------  RecreateOffscreens
+// Recreates resolution-dependent offscreen work
+PLError_t RecreateOffscreens(void)
+{
+	PLError_t		theErr;
+
+	PortabilityLayer::QDManager::GetInstance()->SetPort(nullptr);
+
+	if (workSrcMap)
+		DisposeGWorld(workSrcMap);
+
+	if (backSrcMap)
+		DisposeGWorld(backSrcMap);
+
+	justRoomsRect = houseRect;
+	ZeroRectCorner(&justRoomsRect);
+
+	workSrcRect = houseRect;			// Set up work map
+	ZeroRectCorner(&workSrcRect);
+	theErr = CreateOffScreenGWorld(&workSrcMap, &workSrcRect, kPreferredPixelFormat);
+
+	backSrcRect = houseRect;			// Set up background map
+	ZeroRectCorner(&backSrcRect);
+	theErr = CreateOffScreenGWorld(&backSrcMap, &backSrcRect, kPreferredPixelFormat);
+
+	return PLErrors::kNone;
+}
+
 //--------------------------------------------------------------  CreateOffscreens
 // All "utility" or "work" offscreen pix/bit maps are created here.
 // These would be offscreens that are reused throughout a game - they<65>
@@ -121,17 +150,8 @@ void InitAngel (void)
 void CreateOffscreens (void)
 {
 	PLError_t		theErr;
-	
-	justRoomsRect = houseRect;
-	ZeroRectCorner(&justRoomsRect);
-	
-	workSrcRect = houseRect;			// Set up work map
-	ZeroRectCorner(&workSrcRect);
-	theErr = CreateOffScreenGWorld(&workSrcMap, &workSrcRect, kPreferredPixelFormat);
-	
-	backSrcRect = houseRect;			// Set up background map
-	ZeroRectCorner(&backSrcRect);
-	theErr = CreateOffScreenGWorld(&backSrcMap, &backSrcRect, kPreferredPixelFormat);
+
+	theErr = RecreateOffscreens();
 	
 	InitScoreboardMap();	SpinCursor(1);
 	InitGliderMap();		SpinCursor(1);
--- a/GpCommon/GpVOSEvent.h
+++ b/GpCommon/GpVOSEvent.h
@@ -235,6 +235,14 @@ struct GpMouseInputEvent
 	GpMouseButton_t m_button;
 };

+struct GpVideoResolutionChangedEvent
+{
+	uint32_t m_prevWidth;
+	uint32_t m_prevHeight;
+	uint32_t m_newWidth;
+	uint32_t m_newHeight;
+};
+
 namespace GpVOSEventTypes
 {
 	enum GpVOSEventType
@@ -242,6 +250,7 @@ namespace GpVOSEventTypes
 		kKeyboardInput,
 		kMouseInput,
 		kGamepadInput,
+		kVideoResolutionChanged,
 	};
 }

@@ -254,6 +263,7 @@ struct GpVOSEvent
 		GpKeyboardInputEvent m_keyboardInputEvent;
 		GpMouseInputEvent m_mouseInputEvent;
 		GpGamepadInputEvent m_gamepadInputEvent;
+		GpVideoResolutionChangedEvent m_resolutionChangedEvent;
 	};

 	EventUnion m_event;
--- a/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp
+++ b/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp
@@ -2,9 +2,11 @@
 #include "GpApplicationName.h"
 #include "GpDisplayDriverD3D11.h"
 #include "GpDisplayDriverSurfaceD3D11.h"
+#include "GpVOSEvent.h"
 #include "GpWindows.h"
 #include "IGpCursor_Win32.h"
 #include "IGpFiber.h"
+#include "IGpVOSEventQueue.h"

 #include <d3d11.h>
 #include <dxgi1_2.h>
@@ -64,8 +66,10 @@ LRESULT CALLBACK WinProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 	return DefWindowProc(hWnd, message, wParam, lParam);
 }

-void StartD3DForWindow(HWND hWnd, GpComPtr<IDXGISwapChain1>& outSwapChain, GpComPtr<ID3D11Device>& outDevice, GpComPtr<ID3D11DeviceContext>& outContext)
+bool InitSwapChainForWindow(HWND hWnd, ID3D11Device *device, GpComPtr<IDXGISwapChain1>& outSwapChain)
 {
+	outSwapChain = nullptr;
+
 	DXGI_SWAP_CHAIN_DESC1 swapChainDesc;

 	ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
@@ -76,6 +80,46 @@ void StartD3DForWindow(HWND hWnd, GpComPtr<IDXGISwapChain1>& outSwapChain, GpCom
 	swapChainDesc.SampleDesc.Count = 1;
 	swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;

+	HRESULT result;
+
+	IDXGIDevice2 *dxgiDevice = nullptr;
+	result = device->QueryInterface(__uuidof(IDXGIDevice2), reinterpret_cast<void**>(&dxgiDevice));
+	if (result != S_OK)
+		return false;
+
+	IDXGIAdapter *dxgiAdapter = nullptr;
+	result = dxgiDevice->GetAdapter(&dxgiAdapter);
+	if (result != S_OK)
+		return false;
+
+	IDXGIFactory2 *dxgiFactory = nullptr;
+	result = dxgiAdapter->GetParent(__uuidof(IDXGIFactory2), reinterpret_cast<void**>(&dxgiFactory));
+	if (result != S_OK)
+		return false;
+
+	IDXGISwapChain1 *swapChain = nullptr;
+	result = dxgiFactory->CreateSwapChainForHwnd(device, hWnd, &swapChainDesc, nullptr, nullptr, &swapChain);
+	if (result != S_OK)
+		return false;
+
+	outSwapChain = swapChain;
+
+	return true;
+}
+
+bool ResizeSwapChain(IDXGISwapChain1 *swapChain, UINT width, UINT height)
+{
+	HRESULT result;
+
+	result = swapChain->ResizeBuffers(0, width, height, DXGI_FORMAT_R8G8B8A8_UNORM, 0);
+	if (result != S_OK)
+		return false;
+
+	return true;
+}
+
+void StartD3DForWindow(HWND hWnd, GpComPtr<IDXGISwapChain1>& outSwapChain, GpComPtr<ID3D11Device>& outDevice, GpComPtr<ID3D11DeviceContext>& outContext)
+{
 	DXGI_SWAP_CHAIN_FULLSCREEN_DESC swapChainFullscreenDesc;

 	ZeroMemory(&swapChainFullscreenDesc, sizeof(swapChainFullscreenDesc));
@@ -90,7 +134,9 @@ void StartD3DForWindow(HWND hWnd, GpComPtr<IDXGISwapChain1>& outSwapChain, GpCom
 		D3D_FEATURE_LEVEL_10_0
 	};

+#ifndef NDEBUG
 	flags |= D3D11_CREATE_DEVICE_DEBUG;
+#endif

 	ID3D11Device *device = NULL;
 	ID3D11DeviceContext *context = NULL;
@@ -100,27 +146,54 @@ void StartD3DForWindow(HWND hWnd, GpComPtr<IDXGISwapChain1>& outSwapChain, GpCom
 	HRESULT result = D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, NULL, flags, featureLevels, sizeof(featureLevels) / sizeof(featureLevels[0]),
 		D3D11_SDK_VERSION, &device, &selectedFeatureLevel, &context);

-	IDXGIDevice2 *dxgiDevice = nullptr;
-	result = device->QueryInterface(__uuidof(IDXGIDevice2), reinterpret_cast<void**>(&dxgiDevice));
-
-	IDXGIAdapter *dxgiAdapter = nullptr;
-	result = dxgiDevice->GetAdapter(&dxgiAdapter);
-
-	IDXGIFactory2 *dxgiFactory = nullptr;
-	result = dxgiAdapter->GetParent(__uuidof(IDXGIFactory2), reinterpret_cast<void**>(&dxgiFactory));
-
-	IDXGISwapChain1 *swapChain = nullptr;
-	result = dxgiFactory->CreateSwapChainForHwnd(device, hWnd, &swapChainDesc, nullptr, nullptr, &swapChain);
+	InitSwapChainForWindow(hWnd, device, outSwapChain);

 	// GP TODO: Fix the error handling here, it's bad...
-	outSwapChain = swapChain;
 	outDevice = device;
 	outContext = context;
 }

-bool GpDisplayDriverD3D11::InitResources()
+bool ResizeD3DWindow(HWND hWnd, DWORD &windowWidth, DWORD &windowHeight, LONG desiredWidth, LONG desiredHeight, DWORD windowStyle, HMENU menus)
+{
+	if (desiredWidth < 640)
+		desiredWidth = 640;
+	else if (desiredWidth > MAXDWORD)
+		desiredWidth = MAXDWORD;
+
+	if (desiredHeight < 480)
+		desiredHeight = 480;
+	else if (desiredHeight > MAXDWORD)
+		desiredHeight = MAXDWORD;
+
+	RECT windowRect;
+	GetClientRect(hWnd, &windowRect);
+	windowRect.right = windowRect.left + desiredWidth;
+	windowRect.bottom = windowRect.top + desiredHeight;
+	if (!AdjustWindowRect(&windowRect, windowStyle, menus != nullptr))
+		return false;
+
+	SetWindowPos(hWnd, HWND_TOP, windowRect.left, windowRect.top, windowRect.right - windowRect.left, windowRect.bottom - windowRect.top, SWP_NOZORDER | SWP_NOMOVE);
+
+	windowWidth = desiredWidth;
+	windowHeight = desiredHeight;
+
+	return true;
+}
+
+bool GpDisplayDriverD3D11::DetachSwapChain()
+{
+	m_deviceContext->OMSetRenderTargets(0, nullptr, nullptr);
+	m_backBufferRTV = nullptr;
+	m_backBufferTexture = nullptr;
+
+	m_deviceContext->ClearState();
+	m_deviceContext->Flush();
+
+	return true;
+}
+
+bool GpDisplayDriverD3D11::InitBackBuffer()
 {
-	// Fetch back buffer
 	m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), reinterpret_cast<LPVOID*>(m_backBufferTexture.GetMutablePtr()));

 	{
@@ -136,6 +209,14 @@ bool GpDisplayDriverD3D11::InitResources()
 			return false;
 	}

+	return true;
+}
+
+bool GpDisplayDriverD3D11::InitResources()
+{
+	if (!InitBackBuffer())
+		return false;
+
 	// Quad vertex constant buffer
 	{
 		D3D11_BUFFER_DESC bufferDesc;
@@ -599,6 +680,34 @@ void GpDisplayDriverD3D11::Run()
 		}
 		else
 		{
+			RECT clientRect;
+			GetClientRect(m_hwnd, &clientRect);
+
+			LONG desiredWidth = clientRect.right - clientRect.left;
+			LONG desiredHeight = clientRect.bottom - clientRect.top;
+			if (clientRect.right - clientRect.left != m_windowWidth || clientRect.bottom - clientRect.top != m_windowHeight)
+			{
+				uint32_t prevWidth = m_windowWidth;
+				uint32_t prevHeight = m_windowHeight;
+
+				bool resizedOK = ResizeD3DWindow(m_hwnd, m_windowWidth, m_windowHeight, desiredWidth, desiredHeight, windowStyle, menus);
+				resizedOK = resizedOK && DetachSwapChain();
+				resizedOK = resizedOK && ResizeSwapChain(m_swapChain, m_windowWidth, m_windowHeight);
+				resizedOK = resizedOK && InitBackBuffer();
+
+				if (!resizedOK)
+					break;	// Critical video driver error, exit
+
+				if (GpVOSEvent *resizeEvent = m_properties.m_eventQueue->QueueEvent())
+				{
+					resizeEvent->m_eventType = GpVOSEventTypes::kVideoResolutionChanged;
+					resizeEvent->m_event.m_resolutionChangedEvent.m_prevWidth = prevWidth;
+					resizeEvent->m_event.m_resolutionChangedEvent.m_prevHeight = prevHeight;
+					resizeEvent->m_event.m_resolutionChangedEvent.m_newWidth = m_windowWidth;
+					resizeEvent->m_event.m_resolutionChangedEvent.m_newHeight = m_windowHeight;
+				}
+			}
+
 			GpDisplayDriverTickStatus_t tickStatus = PresentFrameAndSync();
 			if (tickStatus == GpDisplayDriverTickStatuses::kFatalFault || tickStatus == GpDisplayDriverTickStatuses::kApplicationTerminated)
 				break;
--- a/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.h
+++ b/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.h
@@ -70,6 +70,8 @@ private:
 	GpDisplayDriverD3D11(const GpDisplayDriverProperties &properties);
 	~GpDisplayDriverD3D11();

+	bool DetachSwapChain();
+	bool InitBackBuffer();
 	bool InitResources();
 	GpDisplayDriverTickStatus_t PresentFrameAndSync();

--- a/PortabilityLayer/DisplayDeviceManager.cpp
+++ b/PortabilityLayer/DisplayDeviceManager.cpp
@@ -22,6 +22,9 @@ namespace PortabilityLayer
 		void IncrementTickCount(uint32_t count) override;
 		uint32_t GetTickCount() override;

+		void SetResolutionChangeHandler(IResolutionChangeHandler *handler) override;
+		IResolutionChangeHandler *GetResolutionChangeHandler() const override;
+
 		static DisplayDeviceManagerImpl *GetInstance();

 	private:
@@ -29,6 +32,8 @@ namespace PortabilityLayer
 		GpPixelFormat_t m_pixelFormat;
 		bool m_paletteIsDirty;

+		IResolutionChangeHandler *m_resChangeHandler;
+
 		PortabilityLayer::RGBAColor *m_palette;
 		uint8_t m_paletteStorage[256 * sizeof(PortabilityLayer::RGBAColor) + GP_SYSTEM_MEMORY_ALIGNMENT];

@@ -39,6 +44,7 @@ namespace PortabilityLayer
 		: m_tickCount(1)
 		, m_paletteIsDirty(true)
 		, m_pixelFormat(GpPixelFormats::k8BitStandard)
+		, m_resChangeHandler(nullptr)
 	{
 		uint8_t *paletteStorage = m_paletteStorage;
 		while (reinterpret_cast<intptr_t>(paletteStorage) % GP_SYSTEM_MEMORY_ALIGNMENT != 0)
@@ -93,6 +99,15 @@ namespace PortabilityLayer
 		return m_tickCount;
 	}

+	void DisplayDeviceManagerImpl::SetResolutionChangeHandler(IResolutionChangeHandler *handler)
+	{
+		m_resChangeHandler = handler;
+	}
+
+	DisplayDeviceManagerImpl::IResolutionChangeHandler *DisplayDeviceManagerImpl::GetResolutionChangeHandler() const
+	{
+		return m_resChangeHandler;
+	}

 	DisplayDeviceManagerImpl *DisplayDeviceManagerImpl::GetInstance()
 	{
--- a/PortabilityLayer/DisplayDeviceManager.h
+++ b/PortabilityLayer/DisplayDeviceManager.h
@@ -8,10 +8,15 @@
 struct IGpDisplayDriver;

 namespace PortabilityLayer
-{
+{
 	class DisplayDeviceManager
 	{
-	public:
+	public:
+		struct IResolutionChangeHandler
+		{
+			virtual void OnResolutionChanged(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight) = 0;
+		};
+
 		virtual void Init() = 0;
 		virtual void Shutdown() = 0;

@@ -19,9 +24,14 @@ namespace PortabilityLayer
 		virtual void SyncPalette(IGpDisplayDriver *displayDriver) = 0;

 		virtual void IncrementTickCount(uint32_t count) = 0;
-		virtual uint32_t GetTickCount() = 0;
+		virtual uint32_t GetTickCount() = 0;
+
+		virtual void SetResolutionChangeHandler(IResolutionChangeHandler *handler) = 0;
+		virtual IResolutionChangeHandler *GetResolutionChangeHandler() const = 0;

-		static DisplayDeviceManager *GetInstance();
+		static DisplayDeviceManager *GetInstance();
+
+	public:
 	};
 }

--- a/PortabilityLayer/PLSysCalls.cpp
+++ b/PortabilityLayer/PLSysCalls.cpp
@@ -47,6 +47,13 @@ static void TranslateGamepadInputEvent(const GpGamepadInputEvent &vosEvent, Port
 	PL_DEAD(queue);
 }

+static void TranslateVideoResolutionChangedEvent(const GpVideoResolutionChangedEvent &evt)
+{
+	PortabilityLayer::DisplayDeviceManager::IResolutionChangeHandler *chgHandler = PortabilityLayer::DisplayDeviceManager::GetInstance()->GetResolutionChangeHandler();
+	if (chgHandler)
+		chgHandler->OnResolutionChanged(evt.m_prevWidth, evt.m_prevHeight, evt.m_newWidth, evt.m_newHeight);
+}
+
 static void TranslateKeyboardInputEvent(const GpVOSEvent &vosEventBase, uint32_t timestamp, PortabilityLayer::EventQueue *queue)
 {
 	const GpKeyboardInputEvent &vosEvent = vosEventBase.m_event.m_keyboardInputEvent;
@@ -108,6 +115,9 @@ static void TranslateVOSEvent(const GpVOSEvent *vosEvent, uint32_t timestamp, Po
 	case GpVOSEventTypes::kGamepadInput:
 		TranslateGamepadInputEvent(vosEvent->m_event.m_gamepadInputEvent, queue);
 		break;
+	case GpVOSEventTypes::kVideoResolutionChanged:
+		TranslateVideoResolutionChangedEvent(vosEvent->m_event.m_resolutionChangedEvent);
+		break;
 	}
 }

--- a/PortabilityLayer/WindowManager.cpp
+++ b/PortabilityLayer/WindowManager.cpp
@@ -17,6 +17,8 @@
 #include "Vec2i.h"
 #include "WindowDef.h"

+#include <algorithm>
+
 struct GDevice;

 namespace PortabilityLayer
@@ -130,6 +132,8 @@ namespace PortabilityLayer

 		void RenderFrame(IGpDisplayDriver *displayDriver) override;

+		void HandleScreenResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight) override;
+
 		Window *GetPutInFrontSentinel() const override;

 		static WindowManagerImpl *GetInstance();
@@ -553,7 +557,13 @@ namespace PortabilityLayer

 	void WindowImpl::GetChromePadding(uint16_t padding[WindowChromeSides::kCount]) const
 	{
-		return m_chromeTheme->GetChromePadding(this, padding);
+		if (m_chromeTheme)
+			m_chromeTheme->GetChromePadding(this, padding);
+		else
+		{
+			for (int i = 0; i < WindowChromeSides::kCount; i++)
+				padding[i] = 0;
+		}
 	}

 	void WindowImpl::GetChromeDimensions(int width, int height, Rect dimensions[WindowChromeSides::kCount]) const
@@ -572,6 +582,9 @@ namespace PortabilityLayer

 	bool WindowImpl::GetChromeInteractionZone(const Vec2i &point, RegionID_t &outRegion) const
 	{
+		if (!m_chromeTheme)
+			return false;
+
 		return m_chromeTheme->GetChromeInteractionZone(this, point, outRegion);
 	}

@@ -798,6 +811,46 @@ namespace PortabilityLayer
 		}
 	}

+	void WindowManagerImpl::HandleScreenResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight)
+	{
+		for (PortabilityLayer::WindowImpl *window = m_windowStackTop; window != nullptr; window = window->GetWindowBelow())
+		{
+			uint16_t chromePadding[WindowChromeSides::kCount];
+			window->GetChromePadding(chromePadding);
+
+			const Rect surfaceRect = window->GetDrawSurface()->m_port.GetRect();
+
+			uint32_t paddedWidth = surfaceRect.Width() + chromePadding[WindowChromeSides::kLeft] + chromePadding[WindowChromeSides::kRight];
+			uint32_t paddedHeight = surfaceRect.Height() + chromePadding[WindowChromeSides::kTop] + chromePadding[WindowChromeSides::kBottom];
+
+			int64_t newX = 0;
+			if (newWidth <= paddedWidth || prevWidth <= paddedWidth)
+				newX = (static_cast<int64_t>(newWidth) - paddedWidth) / 2;
+			else
+			{
+				uint32_t prevClearanceX = prevWidth - paddedWidth;
+				uint32_t newClearanceX = newWidth - paddedWidth;
+				newX = static_cast<int64_t>(window->m_wmX) * static_cast<int64_t>(newClearanceX) / static_cast<int64_t>(prevClearanceX);
+			}
+
+			int64_t newY = 0;
+			if (newHeight <= paddedHeight || prevHeight <= paddedHeight)
+				newY = (static_cast<int64_t>(newHeight) - paddedHeight) / 2;
+			else
+			{
+				uint32_t prevClearanceY = prevHeight - paddedHeight;
+				uint32_t newClearanceY = newHeight - paddedHeight;
+				newY = static_cast<int64_t>(window->m_wmY) * static_cast<int64_t>(newClearanceY) / static_cast<int64_t>(prevClearanceY);
+			}
+
+			newX = std::max<int64_t>(0, std::min<int64_t>(newX, newWidth - 1));
+			newY = std::max<int64_t>(0, std::min<int64_t>(newY, newHeight - 1));
+
+			window->m_wmX = static_cast<int32_t>(newX);
+			window->m_wmY = static_cast<int32_t>(newY);
+		}
+	}
+
 	void WindowManagerImpl::ResizeWindow(Window *window, int width, int height)
 	{
 		static_cast<WindowImpl*>(window)->Resize(width, height);
--- a/PortabilityLayer/WindowManager.h
+++ b/PortabilityLayer/WindowManager.h
@@ -1,5 +1,7 @@
 #pragma once

+#include <stdint.h>
+
 struct Window;
 struct DrawSurface;
 struct GDevice;
@@ -30,6 +32,8 @@ namespace PortabilityLayer

 		virtual void RenderFrame(IGpDisplayDriver *displayDriver) = 0;

+		virtual void HandleScreenResolutionChange(uint32_t prevWidth, uint32_t prevHeight, uint32_t newWidth, uint32_t newHeight) = 0;
+
 		static WindowManager *GetInstance();
 	};
 }
--- a/PortabilityLayer/ZipFileProxy.h
+++ b/PortabilityLayer/ZipFileProxy.h
@@ -6,7 +6,7 @@ namespace PortabilityLayer
 {
 	class IOStream;
 	struct ZipCentralDirectoryFileHeader;
-
+
 	class ZipFileProxy
 	{
 	public: