Touchscreen things

Aerofoil/GpSystemServices_Win32.cpp

@@ -10,6 +10,7 @@
 #endif
 
 GpSystemServices_Win32::GpSystemServices_Win32()
+	: m_isTouchscreenSimulation(false)
 {
 }
 
@@ -84,6 +85,20 @@ void GpSystemServices_Win32::Beep() const
 	MessageBeep(MB_OK);
 }
 
+bool GpSystemServices_Win32::IsTouchscreen() const
+{
+	return m_isTouchscreenSimulation;
+}
+
+bool GpSystemServices_Win32::IsUsingMouseAsTouch() const
+{
+	return m_isTouchscreenSimulation;
+}
+
+void GpSystemServices_Win32::SetTouchscreenSimulation(bool isTouchscreenSimulation)
+{
+	m_isTouchscreenSimulation = isTouchscreenSimulation;
+}
 
 GpSystemServices_Win32 *GpSystemServices_Win32::GetInstance()
 {

Aerofoil/GpSystemServices_Win32.h

@@ -22,10 +22,16 @@ public:
 	PortabilityLayer::HostThreadEvent *CreateThreadEvent(bool autoReset, bool startSignaled) override;
 	uint64_t GetFreeMemoryCosmetic() const override;
 	void Beep() const override;
+	bool IsTouchscreen() const override;
+	bool IsUsingMouseAsTouch() const override;
+
+	void SetTouchscreenSimulation(bool isTouchscreenSimulation);
 
 	static GpSystemServices_Win32 *GetInstance();
 
 private:
+	bool m_isTouchscreenSimulation;
+
 	static GpSystemServices_Win32 ms_instance;
 };
 

AerofoilAndroid/app/jni/main/GpFileSystem_Android.cpp

@@ -1,4 +1,268 @@
+#define _LARGEFILE64_SOURCE
 #include "GpFileSystem_Android.h"
+#include "GpIOStream.h"
+#include "VirtualDirectory.h"
+
+#include "SDL_rwops.h"
+
+#include <string>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+
+
+
+class GpFileStream_SDLRWops final : public GpIOStream
+{
+public:
+	GpFileStream_SDLRWops(SDL_RWops *f, bool readOnly, bool writeOnly);
+	~GpFileStream_SDLRWops();
+
+	size_t Read(void *bytesOut, size_t size) override;
+	size_t Write(const void *bytes, size_t size) override;
+	bool IsSeekable() const override;
+	bool IsReadOnly() const override;
+	bool IsWriteOnly() const override;
+	bool SeekStart(GpUFilePos_t loc) override;
+	bool SeekCurrent(GpFilePos_t loc) override;
+	bool SeekEnd(GpUFilePos_t loc) override;
+	bool Truncate(GpUFilePos_t loc) override;
+	GpUFilePos_t Size() const override;
+	GpUFilePos_t Tell() const override;
+	void Close() override;
+	void Flush() override;
+
+private:
+	SDL_RWops *m_rw;
+	bool m_isReadOnly;
+	bool m_isWriteOnly;
+};
+
+
+GpFileStream_SDLRWops::GpFileStream_SDLRWops(SDL_RWops *f, bool readOnly, bool writeOnly)
+	: m_rw(f)
+	, m_isReadOnly(readOnly)
+	, m_isWriteOnly(writeOnly)
+{
+}
+
+
+GpFileStream_SDLRWops::~GpFileStream_SDLRWops()
+{
+	m_rw->close(m_rw);
+}
+
+size_t GpFileStream_SDLRWops::Read(void *bytesOut, size_t size)
+{
+	return m_rw->read(m_rw, bytesOut, 1, size);
+}
+
+size_t GpFileStream_SDLRWops::Write(const void *bytes, size_t size)
+{
+	return m_rw->write(m_rw, bytes, 1, size);
+}
+
+bool GpFileStream_SDLRWops::IsSeekable() const
+{
+	return true;
+}
+
+bool GpFileStream_SDLRWops::IsReadOnly() const
+{
+	return m_isReadOnly;
+}
+
+bool GpFileStream_SDLRWops::IsWriteOnly() const
+{
+	return m_isWriteOnly;
+}
+
+bool GpFileStream_SDLRWops::SeekStart(GpUFilePos_t loc)
+{
+	return m_rw->seek(m_rw, static_cast<Sint64>(loc), RW_SEEK_SET) >= 0;
+}
+
+bool GpFileStream_SDLRWops::SeekCurrent(GpFilePos_t loc)
+{
+	return m_rw->seek(m_rw, static_cast<Sint64>(loc), RW_SEEK_CUR) >= 0;
+}
+
+bool GpFileStream_SDLRWops::SeekEnd(GpUFilePos_t loc)
+{
+	return m_rw->seek(m_rw, -static_cast<Sint64>(loc), RW_SEEK_END) >= 0;
+}
+
+bool GpFileStream_SDLRWops::Truncate(GpUFilePos_t loc)
+{
+	return false;
+}
+
+GpUFilePos_t GpFileStream_SDLRWops::Size() const
+{
+	return m_rw->size(m_rw);
+}
+
+GpUFilePos_t GpFileStream_SDLRWops::GpFileStream_SDLRWops::Tell() const
+{
+	return SDL_RWtell(m_rw);
+}
+
+void GpFileStream_SDLRWops::Close()
+{
+	this->~GpFileStream_SDLRWops();
+	free(this);
+}
+
+void GpFileStream_SDLRWops::Flush()
+{
+}
+
+class GpFileStream_Android_File final : public GpIOStream
+{
+public:
+	GpFileStream_Android_File(FILE *f, int fd, bool readOnly, bool writeOnly);
+	~GpFileStream_Android_File();
+
+	size_t Read(void *bytesOut, size_t size) override;
+	size_t Write(const void *bytes, size_t size) override;
+	bool IsSeekable() const override;
+	bool IsReadOnly() const override;
+	bool IsWriteOnly() const override;
+	bool SeekStart(GpUFilePos_t loc) override;
+	bool SeekCurrent(GpFilePos_t loc) override;
+	bool SeekEnd(GpUFilePos_t loc) override;
+	bool Truncate(GpUFilePos_t loc) override;
+	GpUFilePos_t Size() const override;
+	GpUFilePos_t Tell() const override;
+	void Close() override;
+	void Flush() override;
+
+private:
+	FILE *m_f;
+	int m_fd;
+	bool m_seekable;
+	bool m_isReadOnly;
+	bool m_isWriteOnly;
+};
+
+GpFileStream_Android_File::GpFileStream_Android_File(FILE *f, int fd, bool readOnly, bool writeOnly)
+	: m_f(f)
+	, m_fd(fd)
+	, m_isReadOnly(readOnly)
+	, m_isWriteOnly(writeOnly)
+{
+	m_seekable = (fseek(m_f, 0, SEEK_CUR) == 0);
+}
+
+GpFileStream_Android_File::~GpFileStream_Android_File()
+{
+	fclose(m_f);
+}
+
+size_t GpFileStream_Android_File::Read(void *bytesOut, size_t size)
+{
+	if (m_isWriteOnly)
+		return 0;
+	return fread(bytesOut, 1, size, m_f);
+}
+
+size_t GpFileStream_Android_File::Write(const void *bytes, size_t size)
+{
+	if (m_isReadOnly)
+		return 0;
+	return fwrite(bytes, 1, size, m_f);
+}
+
+bool GpFileStream_Android_File::IsSeekable() const
+{
+	return m_seekable;
+}
+
+bool GpFileStream_Android_File::IsReadOnly() const
+{
+	return m_isReadOnly;
+}
+
+bool GpFileStream_Android_File::IsWriteOnly() const
+{
+	return m_isWriteOnly;
+}
+
+bool GpFileStream_Android_File::SeekStart(GpUFilePos_t loc)
+{
+	if (!m_seekable)
+		return false;
+
+	return lseek64(m_fd, static_cast<off64_t>(loc), SEEK_SET) >= 0;
+}
+
+bool GpFileStream_Android_File::SeekCurrent(GpFilePos_t loc)
+{
+	if (!m_seekable)
+		return false;
+
+	return lseek64(m_fd, static_cast<off64_t>(loc), SEEK_CUR) >= 0;
+}
+
+bool GpFileStream_Android_File::SeekEnd(GpUFilePos_t loc)
+{
+	if (!m_seekable)
+		return false;
+
+	return lseek64(m_fd, -static_cast<off64_t>(loc), SEEK_END) >= 0;
+}
+
+bool GpFileStream_Android_File::Truncate(GpUFilePos_t loc)
+{
+	return ftruncate64(m_fd, static_cast<off64_t>(loc)) >= 0;
+}
+
+GpUFilePos_t GpFileStream_Android_File::Size() const
+{
+	struct stat64 s;
+	if (fstat64(m_fd, &s) < 0)
+		return 0;
+
+	return static_cast<GpUFilePos_t>(s.st_size);
+}
+
+GpUFilePos_t GpFileStream_Android_File::Tell() const
+{
+	return static_cast<GpUFilePos_t>(ftell(m_f));
+}
+
+void GpFileStream_Android_File::Close()
+{
+	this->~GpFileStream_Android_File();
+	free(this);
+}
+
+void GpFileStream_Android_File::Flush()
+{
+	fflush(m_f);
+}
+
+static bool ResolvePath(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path, std::string &resolution, bool &isAsset)
+{
+	isAsset = false;
+	switch (virtualDirectory)
+	{
+	case PortabilityLayer::VirtualDirectories::kApplicationData:
+		resolution = std::string("Packaged/") + path;
+		isAsset = true;
+		return true;
+	case PortabilityLayer::VirtualDirectories::kGameData:
+		resolution = std::string("Packaged/Houses/") + path;
+		isAsset = true;
+		return true;
+	case PortabilityLayer::VirtualDirectories::kFonts:
+		resolution = std::string("Resources/") + path;
+		isAsset = true;
+		return true;
+	default:
+		return false;
+	};
+}
 
 GpFileSystem_Android::GpFileSystem_Android()
 {
@@ -6,25 +270,140 @@ GpFileSystem_Android::GpFileSystem_Android()
 
 bool GpFileSystem_Android::FileExists(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path)
 {
+	std::string resolvedPath;
+	bool isAsset;
+	if (!ResolvePath(virtualDirectory, path, resolvedPath, isAsset))
 		return false;
+
+	if (isAsset)
+	{
+		SDL_RWops *rw = SDL_RWFromFile(resolvedPath.c_str(), "rb");
+		if (!rw)
+			return false;
+		SDL_RWclose(rw);
+	}
+
+	struct stat s;
+	return stat(resolvedPath.c_str(), &s) == 0;
 }
 
 bool GpFileSystem_Android::FileLocked(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path, bool *exists)
 {
+	std::string resolvedPath;
+	bool isAsset;
+	if (!ResolvePath(virtualDirectory, path, resolvedPath, isAsset))
+	{
+		*exists = false;
 		return false;
 	}
 
+	if (isAsset)
+		return true;
+
+	int permissions = access(resolvedPath.c_str(), W_OK | F_OK);
+	*exists = ((permissions & F_OK) != 0);
+	return ((permissions & W_OK) != 0);
+}
+
 GpIOStream *GpFileSystem_Android::OpenFile(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path, bool writeAccess, GpFileCreationDisposition_t createDisposition)
 {
+	const char *mode = nullptr;
+	bool canWrite = false;
+
+	switch (createDisposition) {
+		case GpFileCreationDispositions::kCreateOrOverwrite:
+			mode = "w+b";
+			break;
+		case GpFileCreationDispositions::kCreateNew:
+			mode = "x+b";
+			break;
+		case GpFileCreationDispositions::kCreateOrOpen:
+			mode = "c+b";
+			break;
+		case GpFileCreationDispositions::kOpenExisting:
+			mode = writeAccess ? "r+b" : "rb";
+			break;
+		case GpFileCreationDispositions::kOverwriteExisting:
+			mode = "r+b";
+			break;
+		default:
 			return nullptr;
+	};
+
+	std::string resolvedPath;
+	bool isAsset;
+	if (!ResolvePath(virtualDirectory, path, resolvedPath, isAsset))
+		return nullptr;
+
+	if (isAsset)
+	{
+		if (createDisposition == GpFileCreationDispositions::kOverwriteExisting || writeAccess)
+			return nullptr;
+
+		void *objStorage = malloc(sizeof(GpFileStream_SDLRWops));
+		if (!objStorage)
+			return nullptr;
+
+		SDL_RWops *rw = SDL_RWFromFile(resolvedPath.c_str(), mode);
+		if (!rw)
+		{
+			free(objStorage);
+			return nullptr;
+		}
+
+		return new (objStorage) GpFileStream_SDLRWops(rw, true, false);
+	}
+	else
+	{
+		void *objStorage = malloc(sizeof(GpFileStream_Android_File));
+		if (!objStorage)
+			return nullptr;
+
+		FILE *f = fopen(resolvedPath.c_str(), mode);
+		if (!f)
+		{
+			free(objStorage);
+			return nullptr;
+		}
+
+		int fd = fileno(f);
+
+		if (createDisposition == GpFileCreationDispositions::kOverwriteExisting)
+		{
+			if (ftruncate64(fd, 0) < 0)
+			{
+				free(objStorage);
+				fclose(f);
+				return nullptr;
+			}
+		}
+
+		return new (objStorage) GpFileStream_Android_File(f, fd, !writeAccess, false);
+	}
 }
 
 bool GpFileSystem_Android::DeleteFile(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path, bool &existed)
+{
+	std::string resolvedPath;
+	bool isAsset;
+	if (!ResolvePath(virtualDirectory, path, resolvedPath, isAsset))
 	{
 		existed = false;
 		return false;
 	}
 
+	if (isAsset)
+		return false;
+
+	if (unlink(resolvedPath.c_str()) < 0)
+	{
+		existed = (errno != ENOENT);
+		return false;
+	}
+	existed = true;
+	return true;
+}
+
 PortabilityLayer::HostDirectoryCursor *GpFileSystem_Android::ScanDirectory(PortabilityLayer::VirtualDirectory_t virtualDirectory)
 {
 	return nullptr;

AerofoilAndroid/app/jni/main/GpFileSystem_Android.h

@@ -21,7 +21,5 @@ public:
 	static GpFileSystem_Android *GetInstance();
 
 private:
-	bool ResolvePath(PortabilityLayer::VirtualDirectory_t virtualDirectory, const char *path, wchar_t *outPath);
-
 	static GpFileSystem_Android ms_instance;
 };

AerofoilAndroid/app/src/main/.gitignore

@@ -1 +0,0 @@
-assets

AerofoilAndroid/app/src/main/assets/.gitignore

@@ -0,0 +1,2 @@
+Packaged
+Resources

AerofoilAndroid/make_symlinks.bat

@@ -17,6 +17,7 @@ mklink /D app\jni\zlib ..\..\..\zlib
 mklink /D app\jni\rapidjson ..\..\..\rapidjson
 mklink /D app\jni\MacRomanConversion ..\..\..\MacRomanConversion
 mklink /D app\jni\stb ..\..\..\stb
-mklink /D app\src\main\assets ..\..\..\..\Packaged
+mklink /D app\src\main\assets\Packaged ..\..\..\..\..\Packaged
+mklink /D app\src\main\assets\Resources ..\..\..\..\..\Resources
 
 pause

AerofoilAndroid/remove_symlinks.bat

@@ -14,4 +14,5 @@ rmdir app\jni\zlib
 rmdir app\jni\rapidjson
 rmdir app\jni\MacRomanConversion
 rmdir app\jni\stb
-rmdir app\src\main\assets
+rmdir app\src\main\assets\Packaged
+rmdir app\src\main\assets\Resources

AerofoilSDL/GpMain_SDL_Win32.cpp

@@ -50,6 +50,9 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	{
 		if (!wcscmp(cmdLineArgs[i], L"-diagnostics"))
 			GpLogDriver_Win32::Init();
+
+		if (!wcscmp(cmdLineArgs[i], L"-touchscreensimulation"))
+			GpSystemServices_Win32::GetInstance()->SetTouchscreenSimulation(true);
 	}
 
 	IGpLogDriver *logger = GpLogDriver_Win32::GetInstance();

ApplicationResourcePatches/manifest.json

@@ -6,7 +6,22 @@
 		"DITL/2001.json" : "ApplicationResourcePatches/DITL/2001.json",
 		"DITL/2002.json" : "ApplicationResourcePatches/DITL/2002.json",
 		"DITL/2003.json" : "ApplicationResourcePatches/DITL/2003.json",
-		"DITL/2004.json" : "ApplicationResourcePatches/DITL/2004.json"
+		"DITL/2004.json" : "ApplicationResourcePatches/DITL/2004.json",
+		"PICT/1973.bmp" : "ApplicationResourcePatches/PICT/1973.bmp",
+		"PICT/1974.bmp" : "ApplicationResourcePatches/PICT/1974.bmp",
+		"PICT/1975.bmp" : "ApplicationResourcePatches/PICT/1975.bmp",
+		"PICT/1976.bmp" : "ApplicationResourcePatches/PICT/1976.bmp",
+		"PICT/1977.bmp" : "ApplicationResourcePatches/PICT/1977.bmp",
+		"PICT/1978.bmp" : "ApplicationResourcePatches/PICT/1978.bmp",
+		"PICT/1979.bmp" : "ApplicationResourcePatches/PICT/1979.bmp",
+		"PICT/1980.bmp" : "ApplicationResourcePatches/PICT/1980.bmp",
+		"PICT/1981.bmp" : "ApplicationResourcePatches/PICT/1981.bmp",
+		"PICT/1982.bmp" : "ApplicationResourcePatches/PICT/1982.bmp",
+		"PICT/1983.bmp" : "ApplicationResourcePatches/PICT/1983.bmp",
+		"PICT/1984.bmp" : "ApplicationResourcePatches/PICT/1984.bmp",
+		"PICT/1985.bmp" : "ApplicationResourcePatches/PICT/1985.bmp",
+		"PICT/1986.bmp" : "ApplicationResourcePatches/PICT/1986.bmp",
+		"PICT/1987.bmp" : "ApplicationResourcePatches/PICT/1987.bmp"
 	},
 	"delete" :
 	[

GpApp/AnimCursor.cpp

@@ -265,6 +265,9 @@ Boolean GetColorCursors (acurHandle ballCursH, compiledAcurHandle compiledBallCu
 
 void InitAnimatedCursor (acurHandle ballCursH)
 {
+	if (thisMac.isTouchscreen)
+		return;
+
 	compiledAcurHandle	compiledBallCursorH;
 
 	if (ballCursH == nil)
@@ -275,7 +278,6 @@ void InitAnimatedCursor (acurHandle ballCursH)
 		if (!compiledBallCursorH)
 			RedAlert(kErrFailedResourceLoad);
 
-		GetColorCursors(ballCursH, compiledBallCursorH);
 		DisposCursors();
 
 		animCursorH = ballCursH;
@@ -335,8 +337,9 @@ void IncrementCursor (void)
 		InitAnimatedCursor(nil);
 	if (animCursorH)
 	{
-		(*animCursorH)->index++;
+		acurRec *acur = *animCursorH;
-		(*animCursorH)->index %= (*animCursorH)->n;
+		acur->index++;
+		acur->index %= acur->n;
 
 		PortabilityLayer::HostDisplayDriver::GetInstance()->SetCursor((*compiledAnimCursorH)->frame[(*animCursorH)->index].hwCursor);
 	}

GpApp/Environ.cpp

@@ -301,6 +301,9 @@ void CheckOurEnvirons (void)
 	thisMac.numScreens = HowManyUsableScreens(false, true, true);
 
 	thisMac.isResolutionDirty = true;
+	thisMac.isTouchscreen = PortabilityLayer::HostSystemServices::GetInstance()->IsTouchscreen();
+	thisMac.isMouseTouchscreen = PortabilityLayer::HostSystemServices::GetInstance()->IsUsingMouseAsTouch();
+
 	FlushResolutionChange();
 }
 

GpApp/Environ.h

@@ -29,6 +29,8 @@ typedef struct
 	Boolean		hasQT;
 	Boolean		hasDrag;
 	Boolean		isResolutionDirty;
+	Boolean		isTouchscreen;
+	Boolean		isMouseTouchscreen;
 } macEnviron;
 
 

GpApp/GliderStructs.h

@@ -362,4 +362,72 @@ typedef struct
 	short		object;
 } retroLink, *retroLinkPtr;
 
+namespace TouchScreenCtrlIDs
+{
+	enum TouchScreenCtrlID
+	{
+		None,
 
+		MoveLeft,
+		MoveRight,
+		Flip,
+		Bands,
+		BatteryHelium,
+
+		Count,
+	};
+};
+
+typedef TouchScreenCtrlIDs::TouchScreenCtrlID TouchScreenCtrlID_t;
+
+typedef struct
+{
+	int fingerID;
+	Point point;
+	TouchScreenCtrlID_t capturingControl;
+} touchScreenFingerState;
+
+typedef struct
+{
+	Rect graphicRect;
+	Rect touchRect;
+	Boolean isEnabled;
+} touchScreenControl;
+
+namespace touchScreenControlGraphics
+{
+	enum touchScreenControlGraphic
+	{
+		BandsDisabled,
+		BandsActive,
+		BandsIdle,
+		FlipActive,
+		FlipIdle,
+		MoveRightActive,
+		MoveRightIdle,
+		MoveLeftActive,
+		MoveLeftIdle,
+		HeliumDisabled,
+		HeliumActive,
+		HeliumIdle,
+		BatteryDisabled,
+		BatteryActive,
+		BatteryIdle,
+
+		Count,
+	};
+
+	static const int kTouchScreenGraphicStartID = 1973;
+}
+
+typedef touchScreenControlGraphics::touchScreenControlGraphic touchScreenControlGraphic_t;
+
+typedef struct
+{
+	static const int kMaxFingers = 4;
+
+	touchScreenControl controls[TouchScreenCtrlIDs::Count];
+	touchScreenFingerState fingers[kMaxFingers];
+
+	DrawSurface *graphics[touchScreenControlGraphics::Count];
+} touchScreenControlState, *touchScreenControlStatePtr;

GpApp/Play.cpp

@@ -13,9 +13,12 @@
 #include "Environ.h"
 #include "House.h"
 #include "MainWindow.h"
+#include "PLEventQueue.h"
+#include "PLTimeTaggedVOSEvent.h"
 #include "RectUtils.h"
 #include "ResolveCachingColor.h"
 #include "Scoreboard.h"
+#include "Utilities.h"
 
 
 #define kHouseBannerAlert		1009
@@ -42,8 +45,6 @@ void HandleRoomVisitation (void);
 void SetObjectsToDefaults (void);
 void InitTelephone (void);
 void HandleTelephone (void);
-Boolean DoesStarCodeExist (short);
-short GetNumStarsRemaining (short, short);
 
 
 phoneType	thePhone, theChimes;
@@ -55,11 +56,14 @@ short		batteryTotal, bandsTotal, foilTotal, mortals;
 Boolean		playing, evenFrame, twoPlayerGame, showFoil, demoGoing;
 Boolean		doBackground, playerSuicide, phoneBitSet, tvOn;
 
+touchScreenControlState touchScreen;
+
 extern	VFileSpec	*theHousesSpecs;
 extern	demoPtr		demoData;
 extern	gameType	smallGame;
 extern	Rect		gliderSrc[kNumGliderSrcRects];
 extern	Rect		boardDestRect, boardSrcRect;
+extern	Rect		localRoomsDest[];
 extern	long		incrementModeTime;
 extern	short		numBands, otherPlayerEscaped, demoIndex, demoHouseIndex;
 extern	short		splashOriginH, splashOriginV, countDown, thisHouseIndex;
@@ -384,15 +388,215 @@ void HandleGameResolutionChange(void)
 	DumpScreenOn(&justRoomsRect, true);
 }
 
+//--------------------------------------------------------------  HandleTouchUp
+
+void HandleTouchUp(int fingerID)
+{
+	for (int i = 0; i < touchScreenControlState::kMaxFingers; i++)
+	{
+		if (touchScreen.fingers[i].fingerID == fingerID)
+		{
+			touchScreen.fingers[i].fingerID = -1;
+			touchScreen.fingers[i].capturingControl = TouchScreenCtrlIDs::None;
+			return;
+		}
+	}
+}
+
+//--------------------------------------------------------------  HandleTouchMove
+
+void HandleTouchMove(int fingerID, const Point &pt)
+{
+	for (int i = 0; i < touchScreenControlState::kMaxFingers; i++)
+	{
+		if (touchScreen.fingers[i].fingerID == fingerID)
+		{
+			touchScreen.fingers[i].point = pt;
+			return;
+		}
+	}
+}
+
+//--------------------------------------------------------------  HandleTouchDown
+
+void HandleTouchDown(int fingerID, const Point &pt)
+{
+	int freeFingerIndex = -1;
+
+	for (int i = 0; i < touchScreenControlState::kMaxFingers; i++)
+	{
+		if (touchScreen.fingers[i].fingerID == fingerID)
+		{
+			// Finger is already considered down, something weird happened
+			HandleTouchMove(fingerID, pt);
+			return;
+		}
+		else if (touchScreen.fingers[i].fingerID < 0)
+			freeFingerIndex = i;
+	}
+
+	if (freeFingerIndex < 0)
+		return;
+
+	touchScreenFingerState &fingerState = touchScreen.fingers[freeFingerIndex];
+
+	for (int j = 0; j < TouchScreenCtrlIDs::Count; j++)
+	{
+		if (touchScreen.controls[j].isEnabled)
+		{
+			if (touchScreen.controls[j].touchRect.Contains(pt))
+			{
+				fingerState.fingerID = fingerID;
+				fingerState.capturingControl = static_cast<TouchScreenCtrlID_t>(j);
+				fingerState.point = pt;
+				return;
+			}
+		}
+	}
+
+}
+
+//--------------------------------------------------------------  HandleTouchLeave
+
+void HandleTouchLeave(int fingerID)
+{
+	for (int i = 0; i < touchScreenControlState::kMaxFingers; i++)
+	{
+		if (touchScreen.fingers[i].fingerID == fingerID)
+		{
+			touchScreen.fingers[i].fingerID = -1;
+			touchScreen.fingers[i].capturingControl = TouchScreenCtrlIDs::None;
+			return;
+		}
+	}
+}
+
+//--------------------------------------------------------------  HandleInGameEvents
+
+void HandleInGameEvents(void)
+{
+	PortabilityLayer::EventQueue *queue = PortabilityLayer::EventQueue::GetInstance();
+
+	TimeTaggedVOSEvent evt;
+	while (queue->Dequeue(&evt))
+	{
+		if (thisMac.isTouchscreen)
+		{
+			if (thisMac.isMouseTouchscreen && evt.m_vosEvent.m_eventType == GpVOSEventTypes::kMouseInput)
+			{
+				const GpMouseInputEvent &mouseInput = evt.m_vosEvent.m_event.m_mouseInputEvent;
+
+				const Point mousePt = mainWindow->MouseToLocal(mouseInput);
+
+				switch (mouseInput.m_eventType)
+				{
+				case GpMouseEventTypes::kDown:
+					if (mouseInput.m_button == GpMouseButtons::kLeft)
+						HandleTouchDown(0, mousePt);
+					break;
+				case GpMouseEventTypes::kLeave:
+					HandleTouchLeave(0);
+					break;
+				case GpMouseEventTypes::kUp:
+					HandleTouchMove(0, mousePt);
+					HandleTouchUp(0);
+					break;
+				case GpMouseEventTypes::kMove:
+					HandleTouchMove(0, mousePt);
+					break;
+				default:
+					break;
+				};
+			}
+		}
+	}
+}
+
+//--------------------------------------------------------------  ResetTouchScreenControlBounds
+
+static int16_t touchScreenControlSize = 32;
+
+void ResetTouchScreenControlBounds (void)
+{
+	if (!thisMac.isTouchscreen)
+		return;
+
+
+	const Rect centerRoomRect = localRoomsDest[kCentralRoom];
+
+	int16_t touchScreenControlInterSpacing = 16;
+	int16_t touchScreenControlEdgeSpacing = 24;
+
+	Point points[TouchScreenCtrlIDs::Count];
+	Point sizes[TouchScreenCtrlIDs::Count];
+
+	points[TouchScreenCtrlIDs::MoveLeft] = Point::Create(mainWindowRect.left + touchScreenControlEdgeSpacing, mainWindowRect.bottom - touchScreenControlEdgeSpacing - touchScreenControlSize);
+	points[TouchScreenCtrlIDs::MoveRight] = points[TouchScreenCtrlIDs::MoveLeft] + Point::Create(touchScreenControlInterSpacing + touchScreenControlSize, 0);
+
+	points[TouchScreenCtrlIDs::BatteryHelium] = Point::Create(mainWindowRect.right - touchScreenControlEdgeSpacing - touchScreenControlSize, mainWindowRect.bottom - touchScreenControlEdgeSpacing - touchScreenControlSize);
+	points[TouchScreenCtrlIDs::Flip] = points[TouchScreenCtrlIDs::BatteryHelium] + Point::Create(0, -touchScreenControlInterSpacing - touchScreenControlSize);
+	points[TouchScreenCtrlIDs::Bands] = points[TouchScreenCtrlIDs::BatteryHelium] + Point::Create(-touchScreenControlInterSpacing - touchScreenControlSize, 0);
+
+	for (int i = 0; i < TouchScreenCtrlIDs::Count; i++)
+		sizes[i] = Point::Create(touchScreenControlSize, touchScreenControlSize);
+
+	for (int i = 0; i < TouchScreenCtrlIDs::Count; i++)
+	{
+		Point lowerRight = points[i] + sizes[i];
+		touchScreen.controls[i].graphicRect = Rect::Create(points[i].v, points[i].h, lowerRight.v, lowerRight.h);
+		touchScreen.controls[i].touchRect = touchScreen.controls[i].graphicRect.Inset(-(touchScreenControlInterSpacing / 2), -(touchScreenControlInterSpacing / 2));
+	}
+
+	// Clear all active touches
+	for (int i = 0; i < touchScreenControlState::kMaxFingers; i++)
+	{
+		touchScreen.fingers[i].fingerID = -1;
+		touchScreen.fingers[i].capturingControl = TouchScreenCtrlIDs::None;
+	}
+}
+
+//--------------------------------------------------------------  InitTouchScreenControlState
+
+void InitTouchScreenControlState(void)
+{
+	if (!thisMac.isTouchscreen)
+		return;
+
+	ResetTouchScreenControlBounds();
+
+	for (int i = 0; i < touchScreenControlGraphics::Count; i++)
+	{
+		if (touchScreen.graphics[i] != nil)
+			continue;
+
+		int resID = touchScreenControlGraphics::kTouchScreenGraphicStartID + i;
+
+		Rect resRect = Rect::Create(0, 0, touchScreenControlSize, touchScreenControlSize);
+		(void)CreateOffScreenGWorld(&touchScreen.graphics[i], &resRect);
+		LoadGraphic(touchScreen.graphics[i], resID);
+	}
+}
+
 //--------------------------------------------------------------  PlayGame
 
 void PlayGame (void)
 {
+	InitTouchScreenControlState();
+
+	touchScreen.controls[TouchScreenCtrlIDs::MoveLeft].isEnabled = true;
+	touchScreen.controls[TouchScreenCtrlIDs::MoveRight].isEnabled = true;
+	touchScreen.controls[TouchScreenCtrlIDs::Flip].isEnabled = true;
+	touchScreen.controls[TouchScreenCtrlIDs::Bands].isEnabled = true;
+	touchScreen.controls[TouchScreenCtrlIDs::BatteryHelium].isEnabled = true;
+
 	while ((playing) && (!quitting))
 	{
+		HandleInGameEvents();
+
 		if (thisMac.isResolutionDirty)
 		{
 			HandleGameResolutionChange();
+			ResetTouchScreenControlBounds();
 		}
 
 		gameFrame++;

GpApp/Render.cpp

@@ -29,6 +29,7 @@ void RenderSparkles (void);
 void RenderStars (void);
 void RenderBands (void);
 void RenderShreds (void);
+void RenderTouchScreenControls (void);
 void CopyRectsQD (void);
 
 
@@ -55,6 +56,7 @@ extern	short		numBands, numStars, numShredded;
 extern	short		numSparkles, numFlyingPts, numPendulums, clockFrame;
 extern	short		numFlames, numSavedMaps, numTikiFlames, numCoals;
 extern	Boolean		evenFrame, shadowVisible, twoPlayerGame, tvOn;
+extern	touchScreenControlState	touchScreen;
 
 
 //==============================================================  Functions
@@ -604,6 +606,66 @@ void RenderShreds (void)
 	}
 }
 
+//--------------------------------------------------------------  RenderTouchScreenControls
+
+void RenderTouchScreenControls (void)
+{
+	DrawSurface *ctrlGraphics[TouchScreenCtrlIDs::Count];
+
+	for (int i = 0; i < TouchScreenCtrlIDs::Count; i++)
+		ctrlGraphics[i] = nullptr;
+
+	ctrlGraphics[TouchScreenCtrlIDs::MoveLeft] = touchScreen.graphics[touchScreenControlGraphics::MoveLeftIdle];
+	ctrlGraphics[TouchScreenCtrlIDs::MoveRight] = touchScreen.graphics[touchScreenControlGraphics::MoveRightIdle];
+	ctrlGraphics[TouchScreenCtrlIDs::Flip] = touchScreen.graphics[touchScreenControlGraphics::FlipIdle];
+	ctrlGraphics[TouchScreenCtrlIDs::Bands] = touchScreen.graphics[touchScreenControlGraphics::BandsDisabled];
+	ctrlGraphics[TouchScreenCtrlIDs::BatteryHelium] = touchScreen.graphics[touchScreenControlGraphics::BatteryDisabled];
+
+	if (batteryTotal < 0)
+		ctrlGraphics[TouchScreenCtrlIDs::BatteryHelium] = touchScreen.graphics[touchScreenControlGraphics::HeliumIdle];
+	else if (batteryTotal > 0)
+		ctrlGraphics[TouchScreenCtrlIDs::BatteryHelium] = touchScreen.graphics[touchScreenControlGraphics::BatteryIdle];
+
+	if (bandsTotal > 0)
+		ctrlGraphics[TouchScreenCtrlIDs::Bands] = touchScreen.graphics[touchScreenControlGraphics::BandsIdle];
+
+	for (int i = 0; i < touchScreenControlState::kMaxFingers; i++)
+	{
+		if (touchScreen.fingers[i].capturingControl == TouchScreenCtrlIDs::BatteryHelium)
+		{
+			if (batteryTotal < 0)
+				ctrlGraphics[TouchScreenCtrlIDs::BatteryHelium] = touchScreen.graphics[touchScreenControlGraphics::HeliumActive];
+			else if (batteryTotal > 0)
+				ctrlGraphics[TouchScreenCtrlIDs::BatteryHelium] = touchScreen.graphics[touchScreenControlGraphics::BandsActive];
+		}
+		else if (touchScreen.fingers[i].capturingControl == TouchScreenCtrlIDs::Bands)
+		{
+			if (bandsTotal > 0)
+				ctrlGraphics[TouchScreenCtrlIDs::Bands] = touchScreen.graphics[touchScreenControlGraphics::BandsActive];
+		}
+		else if (touchScreen.fingers[i].capturingControl == TouchScreenCtrlIDs::Flip)
+			ctrlGraphics[TouchScreenCtrlIDs::Flip] = touchScreen.graphics[touchScreenControlGraphics::FlipActive];
+		else if (touchScreen.fingers[i].capturingControl == TouchScreenCtrlIDs::MoveLeft)
+			ctrlGraphics[TouchScreenCtrlIDs::MoveLeft] = touchScreen.graphics[touchScreenControlGraphics::MoveLeftActive];
+		else if (touchScreen.fingers[i].capturingControl == TouchScreenCtrlIDs::MoveRight)
+			ctrlGraphics[TouchScreenCtrlIDs::MoveRight] = touchScreen.graphics[touchScreenControlGraphics::MoveRightActive];
+	}
+
+	for (int i = 0; i < TouchScreenCtrlIDs::Count; i++)
+	{
+		DrawSurface *graphic = ctrlGraphics[i];
+		if (!graphic)
+			continue;
+
+		const Rect sourceRect = ctrlGraphics[i]->m_port.GetRect();
+		Rect destRect = touchScreen.controls[i].graphicRect;
+
+		CopyMask(*GetGWorldPixMap(ctrlGraphics[i]), *GetGWorldPixMap(ctrlGraphics[i]), *GetGWorldPixMap(workSrcMap), &sourceRect, &sourceRect, &destRect);
+		AddRectToBackRects(&destRect);
+		AddRectToWorkRects(&destRect);
+	}
+}
+
 //--------------------------------------------------------------  CopyRectsQD
 
 void CopyRectsQD (void)
@@ -655,6 +717,7 @@ void RenderFrame (void)
 		RenderGlider(&theGlider2, false);
 	RenderShreds();
 	RenderBands();
+	RenderTouchScreenControls();
 	
 	while (TickCount() < nextFrame)
 	{

PortabilityLayer/Android.mk

@@ -109,4 +109,4 @@ LOCAL_SRC_FILES := \
 
 LOCAL_STATIC_LIBRARIES := zlib MacRomanConversion stb
 
-include $(BUILD_SHARED_LIBRARY)
+include $(BUILD_STATIC_LIBRARY)

PortabilityLayer/HostSystemServices.h

@@ -23,6 +23,8 @@ namespace PortabilityLayer
 		virtual HostThreadEvent *CreateThreadEvent(bool autoReset, bool startSignaled) = 0;
 		virtual uint64_t GetFreeMemoryCosmetic() const = 0;	// Returns free memory in bytes, does not have to be accurate
 		virtual void Beep() const = 0;
+		virtual bool IsTouchscreen() const = 0;
+		virtual bool IsUsingMouseAsTouch() const = 0;
 
 		static void SetInstance(HostSystemServices *instance);
 		static HostSystemServices *GetInstance();