/* 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. * * $URL$ * $Id$ * */ #include "graphics/surface.h" #include "iphone_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 #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); typedef struct AQCallbackStruct { AudioQueueRef queue; uint32 frameCount; AudioQueueBufferRef buffers[AUDIO_BUFFERS]; AudioStreamBasicDescription dataFormat; } AQCallbackStruct; class OSystem_IPHONE : public BaseBackend, public PaletteManager { protected: static const OSystem::GraphicsMode s_supportedGraphicsModes[]; static AQCallbackStruct s_AudioQueue; static SoundProc s_soundCallback; static void *s_soundParam; Common::SaveFileManager *_savefile; Audio::MixerImpl *_mixer; Common::TimerManager *_timer; Graphics::Surface _framebuffer; byte *_offscreen; OverlayColor *_overlayBuffer; uint16 _overlayHeight; uint16 _overlayWidth; uint16 *_fullscreen; uint16 _palette[256]; bool _overlayVisible; uint16 _screenWidth; uint16 _screenHeight; struct timeval _startTime; uint32 _timeSuspended; bool _mouseVisible; byte *_mouseBuf; byte _mouseKeyColor; uint _mouseWidth, _mouseHeight; uint _mouseX, _mouseY; int _mouseHotspotX, _mouseHotspotY; bool _mouseDirty; long _lastMouseDown; long _lastMouseTap; Common::Rect _lastDrawnMouseRect; Common::Event _queuedInputEvent; bool _needEventRestPeriod; 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 _dirtyRects; Common::Array _dirtyOverlayRects; ScreenOrientation _screenOrientation; bool _fullScreenIsDirty; bool _fullScreenOverlayIsDirty; int _screenChangeCount; FilesystemFactory *_fsFactory; public: OSystem_IPHONE(); virtual ~OSystem_IPHONE(); 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; bool setGraphicsMode(const char *name); virtual bool setGraphicsMode(int mode); virtual int getGraphicsMode() const; virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format); virtual int16 getHeight(); virtual int16 getWidth(); 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 byte *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(OverlayColor *buf, int pitch); virtual void copyRectToOverlay(const OverlayColor *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 byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor = 255, int cursorTargetScale = 1, const Graphics::PixelFormat *format = NULL); virtual bool pollEvent(Common::Event &event); virtual uint32 getMillis(); 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(); FilesystemFactory *getFilesystemFactory() { return _fsFactory; } virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0); virtual void getTimeAndDate(TimeDate &t) const; virtual Common::SaveFileManager *getSavefileManager(); virtual Audio::Mixer *getMixer(); virtual Common::TimerManager *getTimerManager(); void startSoundsystem(); void stopSoundsystem(); virtual Common::SeekableReadStream *createConfigReadStream(); virtual Common::WriteStream *createConfigWriteStream(); protected: void internUpdateScreen(); void dirtyFullScreen(); void dirtyFullOverlayScreen(); void clipRectToScreen(int16 &x, int16 &y, int16 &w, int16 &h); void suspendLoop(); void drawDirtyRect(const Common::Rect& dirtyRect); void drawDirtyOverlayRect(const Common::Rect& dirtyRect); void drawMouseCursorOnRectUpdate(const Common::Rect& updatedRect, const Common::Rect& mouseRect); void updateHardwareSurfaceForRect(const Common::Rect& updatedRect); static void AQBufferCallback(void *in, AudioQueueRef inQ, AudioQueueBufferRef outQB); static int timerHandler(int t); bool handleEvent_swipe(Common::Event &event, int direction); void handleEvent_keyPressed(Common::Event &event, int keyPressed); void handleEvent_orientationChanged(int orientation); 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); };