Add option to enable or disable auto-scale

GpApp/Environ.cpp

@@ -31,6 +31,8 @@
 #define	kDisplay12Inch			2
 #define	kDisplay13Inch			3
 
+extern Boolean isAutoScale;
+
 
 typedef struct
 {
@@ -327,15 +329,20 @@ public:
 		if (physicalHeight < 480)
 			physicalHeight = 480;
 
-		double xMul = static_cast<double>(physicalWidth) / 640;
-		double yMul = static_cast<double>(physicalHeight) / 480;
+		double minMul = 1.0;
 
-		double granularity = 2.0;
+		if (isAutoScale)
+		{
+			double xMul = static_cast<double>(physicalWidth) / 640.0;
+			double yMul = static_cast<double>(physicalHeight) / 480.0;
 
-		xMul = floor(xMul * granularity) / granularity;
-		yMul = floor(yMul * granularity) / granularity;
+			double granularity = 2.0;
 
-		double minMul = std::max<double>(1.0, std::min(xMul, yMul));
+			xMul = floor(xMul * granularity) / granularity;
+			yMul = floor(yMul * granularity) / granularity;
+
+			minMul = std::max<double>(1.0, std::min(xMul, yMul));
+		}
 
 		virtualWidth = physicalWidth / minMul;
 		virtualHeight = physicalHeight / minMul;

GpApp/Externs.h

@@ -116,7 +116,7 @@ typedef struct
 	Boolean		wasCoordOpen, wasQuickTrans;
 	Boolean		wasIdleMusic, wasGameMusic;
 	Boolean		wasEscPauseKey;
-	Boolean		wasDoAutoDemo, wasScreen2;
+	Boolean		wasDoAutoDemo, wasAutoScale;
 	Boolean		wasDoBackground, wasHouseChecks;
 	Boolean		wasPrettyMap, wasBitchDialogs;
 } prefsInfo;

GpApp/Main.cpp

@@ -25,7 +25,7 @@ int main(int argc, const char **argv);
 
 short		isVolume, wasVolume;
 short		isDepthPref, dataResFile, numSMWarnings;
-Boolean		quitting, doZooms, quickerTransitions, isUseSecondScreen;
+Boolean		quitting, doZooms, quickerTransitions, isAutoScale;
 
 
 extern Str31		highBanner;
@@ -122,9 +122,7 @@ void ReadInPrefs (void)
 		toolMode = thePrefs.wasToolGroup;
 		doAutoDemo = thePrefs.wasDoAutoDemo;
 		isEscPauseKey = thePrefs.wasEscPauseKey;
-		isUseSecondScreen = thePrefs.wasScreen2;
-		if (thisMac.numScreens < 2)
-			isUseSecondScreen = false;
+		isAutoScale = thePrefs.wasAutoScale;
 		doBackground = thePrefs.wasDoBackground;
 		doPrettyMap = thePrefs.wasPrettyMap;
 		doBitchDialogs = thePrefs.wasBitchDialogs;
@@ -199,7 +197,7 @@ void ReadInPrefs (void)
 		toolMode = kBlowerMode;
 		doAutoDemo = true;
 		isEscPauseKey = false;
-		isUseSecondScreen = false;
+		isAutoScale = true;
 		doBackground = false;
 		doPrettyMap = false;
 		doBitchDialogs = true;
@@ -291,7 +289,7 @@ void WriteOutPrefs (void)
 	thePrefs.wasToolGroup = toolMode;
 	thePrefs.wasDoAutoDemo = doAutoDemo;
 	thePrefs.wasEscPauseKey = isEscPauseKey;
-	thePrefs.wasScreen2 = isUseSecondScreen;
+	thePrefs.wasAutoScale = isAutoScale;
 	thePrefs.wasDoBackground = doBackground;
 	thePrefs.wasPrettyMap = doPrettyMap;
 	thePrefs.wasBitchDialogs = doBitchDialogs;

GpApp/Settings.cpp

@@ -16,7 +16,9 @@
 #include "DialogUtils.h"
 #include "Externs.h"
 #include "Environ.h"
+#include "HostDisplayDriver.h"
 #include "House.h"
+#include "IGpDisplayDriver.h"
 #include "WindowManager.h"
 
 
@@ -35,13 +37,10 @@
 #define kBorder1Item			8
 #define kDoColorFadeItem		9
 #define k32BitColorItem			10
-//#define k256Depth				11
-//#define k16Depth				12
-#define kBorder2Item			11
-#define kBorder3Item			12
-#define kDispDefault			13
-//#define kUseQDItem				13
-//#define kUseScreen2Item			14
+#define kScaleResolutionItem	11
+#define kBorder2Item			12
+#define kBorder3Item			13
+#define kDispDefault			14
 #define kSofterItem				4
 #define kLouderItem				5
 #define kVolNumberItem			7
@@ -98,11 +97,11 @@ Str15		tempLeftStr, tempRightStr, tempBattStr, tempBandStr;
 long		tempLeftMap, tempRightMap, tempBattMap, tempBandMap;
 short		whichCtrl, wasDepthPref;
 Boolean		wasFade, wasIdle, wasPlay, wasTransit, wasZooms, wasBackground;
-Boolean		wasEscPauseKey, wasDemos, wasScreen2, nextRestartChange, wasErrorCheck;
+Boolean		wasEscPauseKey, wasDemos, wasAutoScale, nextRestartChange, wasErrorCheck, needResolutionReset;
 Boolean		wasPrettyMap, wasBitchDialogs;
 
 extern	short		numNeighbors, isDepthPref, maxFiles, willMaxFiles;
-extern	Boolean		isDoColorFade, isPlayMusicIdle, isUseSecondScreen;
+extern	Boolean		isDoColorFade, isPlayMusicIdle, isAutoScale;
 extern	Boolean		isHouseChecks, doBitchDialogs;
 extern	Boolean		isEscPauseKey, failedMusic, isSoundOn, doBackground;
 extern	Boolean		isMusicOn, quickerTransitions, doAutoDemo;
@@ -862,7 +861,7 @@ void DisplayDefaults (void)
 	numNeighbors = 9;
 	wasDepthPref = kSwitchIfNeeded;
 	wasFade = true;
-	wasScreen2 = false;
+	wasAutoScale = true;
 }
 
 //--------------------------------------------------------------  FrameDisplayIcon
@@ -907,6 +906,7 @@ void DisplayUpdate (Dialog *theDialog)
 	
 	SetDialogItemValue(theDialog, kDoColorFadeItem, (short)wasFade);
 	SetDialogItemValue(theDialog, k32BitColorItem, wasDepthPref == 32);
+	SetDialogItemValue(theDialog, kScaleResolutionItem, (short)isAutoScale);
 	
 	FrameDisplayIcon(theDialog, StdColors::Red());
 	FrameDialogItemC(theDialog, kBorder1Item, kRedOrangeColor8);
@@ -1005,7 +1005,7 @@ void DoDisplayPrefs (void)
 	wasNeighbors = numNeighbors;
 	wasFade = isDoColorFade;
 	wasDepthPref = isDepthPref;
-	wasScreen2 = isUseSecondScreen;
+	wasAutoScale = isAutoScale;
 	leaving = false;
 
 	DisplayUpdate(prefDlg);
@@ -1017,10 +1017,12 @@ void DoDisplayPrefs (void)
 		{
 			case kOkayButton:
 			isDoColorFade = wasFade;
-			isDepthPref = wasDepthPref;
-			if (isUseSecondScreen != wasScreen2)
+			if (isDepthPref != wasDepthPref)
 				nextRestartChange = true;
-			isUseSecondScreen = wasScreen2;
+			if (isAutoScale != wasAutoScale)
+				needResolutionReset = true;
+			isDepthPref = wasDepthPref;
+			isAutoScale = wasAutoScale;
 			leaving = true;
 			break;
 			
@@ -1066,6 +1068,11 @@ void DoDisplayPrefs (void)
 			SetDialogItemValue(prefDlg, k32BitColorItem, wasDepthPref == 32);
 			break;
 			
+			case kScaleResolutionItem:
+			wasAutoScale = !wasAutoScale;
+			SetDialogItemValue(prefDlg, kScaleResolutionItem, (short)wasAutoScale);
+			break;
+			
 			case kDispDefault:
 			FrameDisplayIcon(prefDlg, StdColors::White());
 			DisplayDefaults();
@@ -1126,6 +1133,8 @@ void SetAllDefaults (void)
 	quickerTransitions = false;
 	isDepthPref = kSwitchIfNeeded;
 	isDoColorFade = true;
+
+	needResolutionReset = true;
 }
 
 //--------------------------------------------------------------  FlashSettingsButton
@@ -1307,7 +1316,16 @@ void DoSettingsMain (void)
 	prefDlg->Destroy();
 	
 	if (nextRestartChange)
+	{
 		BitchAboutChanges();
+		nextRestartChange = false;
+	}
+
+	if (needResolutionReset)
+	{
+		PortabilityLayer::HostDisplayDriver::GetInstance()->RequestResetVirtualResolution();
+		needResolutionReset = false;
+	}
 }
 
 //--------------------------------------------------------------  BitchAboutChanges