Merge pull request #630 from bSr43/ios-fix

IOS: Fixes the iOS port

1 files changed, 233 insertions, 0 deletions

diff --git a/backends/platform/ios7/ios7_osys_main.h b/backends/platform/ios7/ios7_osys_main.h
new file mode 100644
index 0000000000..eadb49e5ac
--- /dev/null
+++ b/backends/platform/ios7/ios7_osys_main.h
@@ -0,0 +1,233 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef BACKENDS_PLATFORM_IPHONE_OSYS_MAIN_H
+#define BACKENDS_PLATFORM_IPHONE_OSYS_MAIN_H
+
+#include "graphics/surface.h"
+#include "ios7_common.h"
+#include "backends/base-backend.h"
+#include "common/events.h"
+#include "audio/mixer_intern.h"
+#include "backends/fs/posix/posix-fs-factory.h"
+#include "graphics/colormasks.h"
+#include "graphics/palette.h"
+
+#include <AudioToolbox/AudioQueue.h>
+
+#define AUDIO_BUFFERS 3
+#define WAVE_BUFFER_SIZE 2048
+#define AUDIO_SAMPLE_RATE 44100
+
+#define SCUMMVM_ROOT_PATH "/var/mobile/Library/ScummVM"
+#define SCUMMVM_SAVE_PATH SCUMMVM_ROOT_PATH "/Savegames"
+#define SCUMMVM_PREFS_PATH SCUMMVM_ROOT_PATH "/Preferences"
+
+typedef void (*SoundProc)(void *param, byte *buf, int len);
+typedef int (*TimerProc)(int interval);
+
+struct AQCallbackStruct {
+	AudioQueueRef queue;
+	uint32 frameCount;
+	AudioQueueBufferRef buffers[AUDIO_BUFFERS];
+	AudioStreamBasicDescription dataFormat;
+};
+
+class OSystem_iOS7 : public EventsBaseBackend, public PaletteManager {
+protected:
+	static const OSystem::GraphicsMode s_supportedGraphicsModes[];
+	static AQCallbackStruct s_AudioQueue;
+	static SoundProc s_soundCallback;
+	static void *s_soundParam;
+
+	Audio::MixerImpl *_mixer;
+
+	VideoContext *_videoContext;
+
+	Graphics::Surface _framebuffer;
+
+	// For signaling that screen format set up might have failed.
+	TransactionError _gfxTransactionError;
+
+	// For use with the game texture
+	uint16  _gamePalette[256];
+	// For use with the mouse texture
+	uint16  _gamePaletteRGBA5551[256];
+
+	struct timeval _startTime;
+	uint32 _timeSuspended;
+
+	bool _mouseCursorPaletteEnabled;
+	uint16 _mouseCursorPalette[256];
+	Graphics::Surface _mouseBuffer;
+	uint16 _mouseKeyColor;
+	bool _mouseDirty;
+	bool _mouseNeedTextureUpdate;
+
+	long _lastMouseDown;
+	long _lastMouseTap;
+	long _queuedEventTime;
+	Common::Event _queuedInputEvent;
+	bool _secondaryTapped;
+	long _lastSecondaryDown;
+	long _lastSecondaryTap;
+	int _gestureStartX, _gestureStartY;
+	bool _mouseClickAndDragEnabled;
+	bool _touchpadModeEnabled;
+	int _lastPadX;
+	int _lastPadY;
+	int _lastDragPosX;
+	int _lastDragPosY;
+
+	int _timerCallbackNext;
+	int _timerCallbackTimer;
+	TimerProc _timerCallback;
+
+	Common::Array<Common::Rect> _dirtyRects;
+	Common::Array<Common::Rect> _dirtyOverlayRects;
+	ScreenOrientation _screenOrientation;
+	bool _fullScreenIsDirty;
+	bool _fullScreenOverlayIsDirty;
+	int _screenChangeCount;
+
+	char *_lastErrorMessage;
+
+public:
+
+	OSystem_iOS7();
+	virtual ~OSystem_iOS7();
+
+	static OSystem_iOS7 *sharedInstance();
+
+	virtual void initBackend();
+
+	virtual bool hasFeature(Feature f);
+	virtual void setFeatureState(Feature f, bool enable);
+	virtual bool getFeatureState(Feature f);
+	virtual const GraphicsMode *getSupportedGraphicsModes() const;
+	virtual int getDefaultGraphicsMode() const;
+	virtual bool setGraphicsMode(int mode);
+	virtual int getGraphicsMode() const;
+	virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format);
+
+	virtual void beginGFXTransaction();
+	virtual TransactionError endGFXTransaction();
+
+	virtual int16 getHeight();
+	virtual int16 getWidth();
+
+    bool touchpadModeEnabled() const;
+
+#ifdef USE_RGB_COLOR
+	virtual Graphics::PixelFormat getScreenFormat() const { return _framebuffer.format; }
+	virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const;
+#endif
+
+	virtual PaletteManager *getPaletteManager() { return this; }
+protected:
+	// PaletteManager API
+	virtual void setPalette(const byte *colors, uint start, uint num);
+	virtual void grabPalette(byte *colors, uint start, uint num);
+
+public:
+	virtual void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h);
+	virtual void updateScreen();
+	virtual Graphics::Surface *lockScreen();
+	virtual void unlockScreen();
+	virtual void setShakePos(int shakeOffset);
+
+	virtual void showOverlay();
+	virtual void hideOverlay();
+	virtual void clearOverlay();
+	virtual void grabOverlay(void *buf, int pitch);
+	virtual void copyRectToOverlay(const void *buf, int pitch, int x, int y, int w, int h);
+	virtual int16 getOverlayHeight();
+	virtual int16 getOverlayWidth();
+	virtual Graphics::PixelFormat getOverlayFormat() const { return Graphics::createPixelFormat<5551>(); }
+
+	virtual bool showMouse(bool visible);
+
+	virtual void warpMouse(int x, int y);
+	virtual void setMouseCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor = 255, bool dontScale = false, const Graphics::PixelFormat *format = NULL);
+	virtual void setCursorPalette(const byte *colors, uint start, uint num);
+
+	virtual bool pollEvent(Common::Event &event);
+	virtual uint32 getMillis(bool skipRecord = false);
+	virtual void delayMillis(uint msecs);
+
+	virtual MutexRef createMutex(void);
+	virtual void lockMutex(MutexRef mutex);
+	virtual void unlockMutex(MutexRef mutex);
+	virtual void deleteMutex(MutexRef mutex);
+
+	static void mixCallback(void *sys, byte *samples, int len);
+	virtual void setupMixer(void);
+	virtual void setTimerCallback(TimerProc callback, int interval);
+	virtual int getScreenChangeID() const { return _screenChangeCount; }
+	virtual void quit();
+
+	virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0);
+	virtual void getTimeAndDate(TimeDate &t) const;
+
+	virtual Audio::Mixer *getMixer();
+
+	void startSoundsystem();
+	void stopSoundsystem();
+
+	virtual Common::String getDefaultConfigFileName();
+
+	virtual void logMessage(LogMessageType::Type type, const char *message);
+	virtual void fatalError() override;
+
+protected:
+	void initVideoContext();
+	void updateOutputSurface();
+
+	void internUpdateScreen();
+	void dirtyFullScreen();
+	void dirtyFullOverlayScreen();
+	void suspendLoop();
+	void drawDirtyRect(const Common::Rect &dirtyRect);
+	void updateMouseTexture();
+	static void AQBufferCallback(void *in, AudioQueueRef inQ, AudioQueueBufferRef outQB);
+	static int timerHandler(int t);
+
+	bool handleEvent_swipe(Common::Event &event, int direction, int touches);
+	bool handleEvent_tap(Common::Event &event, UIViewTapDescription type, int touches);
+	void handleEvent_keyPressed(Common::Event &event, int keyPressed);
+	void handleEvent_orientationChanged(int orientation);
+	void handleEvent_applicationSuspended();
+	void handleEvent_applicationResumed();
+
+	bool handleEvent_mouseDown(Common::Event &event, int x, int y);
+	bool handleEvent_mouseUp(Common::Event &event, int x, int y);
+
+	bool handleEvent_secondMouseDown(Common::Event &event, int x, int y);
+	bool handleEvent_secondMouseUp(Common::Event &event, int x, int y);
+
+	bool handleEvent_mouseDragged(Common::Event &event, int x, int y);
+	bool handleEvent_mouseSecondDragged(Common::Event &event, int x, int y);
+
+	void rebuildSurface();
+};
+
+#endif