mirror of
https://github.com/libretro/scummvm.git
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209 lines
7.0 KiB
C++
209 lines
7.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "graphics/surface.h"
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#include "iphone_common.h"
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#include "backends/base-backend.h"
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#include "common/events.h"
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#include "sound/mixer_intern.h"
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#include "backends/fs/posix/posix-fs-factory.h"
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#include "graphics/colormasks.h"
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#include <AudioToolbox/AudioQueue.h>
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#define AUDIO_BUFFERS 3
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#define WAVE_BUFFER_SIZE 2048
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#define AUDIO_SAMPLE_RATE 44100
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#define SCUMMVM_ROOT_PATH "/var/mobile/Library/ScummVM"
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#define SCUMMVM_SAVE_PATH SCUMMVM_ROOT_PATH "/Savegames"
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#define SCUMMVM_PREFS_PATH SCUMMVM_ROOT_PATH "/Preferences"
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typedef void (*SoundProc)(void *param, byte *buf, int len);
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typedef int (*TimerProc)(int interval);
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typedef struct AQCallbackStruct {
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AudioQueueRef queue;
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uint32 frameCount;
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AudioQueueBufferRef buffers[AUDIO_BUFFERS];
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AudioStreamBasicDescription dataFormat;
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} AQCallbackStruct;
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class OSystem_IPHONE : public BaseBackend {
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protected:
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static const OSystem::GraphicsMode s_supportedGraphicsModes[];
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static AQCallbackStruct s_AudioQueue;
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static SoundProc s_soundCallback;
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static void *s_soundParam;
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Common::SaveFileManager *_savefile;
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Audio::MixerImpl *_mixer;
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Common::TimerManager *_timer;
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Graphics::Surface _framebuffer;
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byte *_offscreen;
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OverlayColor *_overlayBuffer;
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uint16 *_fullscreen;
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uint16 _palette[256];
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bool _overlayVisible;
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uint16 _screenWidth;
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uint16 _screenHeight;
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struct timeval _startTime;
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uint32 _timeSuspended;
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bool _mouseVisible;
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byte *_mouseBuf;
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byte _mouseKeyColour;
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uint _mouseWidth, _mouseHeight;
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uint _mouseX, _mouseY;
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int _mouseHotspotX, _mouseHotspotY;
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bool _mouseDirty;
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long _lastMouseDown;
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long _lastMouseTap;
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Common::Rect _lastDrawnMouseRect;
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Common::Event _queuedInputEvent;
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bool _needEventRestPeriod;
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bool _secondaryTapped;
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long _lastSecondaryDown;
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long _lastSecondaryTap;
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int _gestureStartX, _gestureStartY;
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bool _mouseClickAndDragEnabled;
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bool _touchpadModeEnabled;
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int _lastPadX;
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int _lastPadY;
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int _lastDragPosX;
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int _lastDragPosY;
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int _timerCallbackNext;
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int _timerCallbackTimer;
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TimerProc _timerCallback;
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Common::Array<Common::Rect> _dirtyRects;
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Common::Array<Common::Rect> _dirtyOverlayRects;
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ScreenOrientation _screenOrientation;
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bool _fullScreenIsDirty;
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bool _fullScreenOverlayIsDirty;
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int _screenChangeCount;
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FilesystemFactory *_fsFactory;
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public:
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OSystem_IPHONE();
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virtual ~OSystem_IPHONE();
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virtual void initBackend();
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virtual bool hasFeature(Feature f);
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virtual void setFeatureState(Feature f, bool enable);
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virtual bool getFeatureState(Feature f);
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virtual const GraphicsMode *getSupportedGraphicsModes() const;
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virtual int getDefaultGraphicsMode() const;
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bool setGraphicsMode(const char *name);
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virtual bool setGraphicsMode(int mode);
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virtual int getGraphicsMode() const;
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virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format);
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virtual int16 getHeight();
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virtual int16 getWidth();
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virtual void setPalette(const byte *colors, uint start, uint num);
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virtual void grabPalette(byte *colors, uint start, uint num);
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virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
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virtual void updateScreen();
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virtual Graphics::Surface *lockScreen();
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virtual void unlockScreen();
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virtual void setShakePos(int shakeOffset);
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virtual void showOverlay();
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virtual void hideOverlay();
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virtual void clearOverlay();
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virtual void grabOverlay(OverlayColor *buf, int pitch);
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virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
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virtual int16 getOverlayHeight();
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virtual int16 getOverlayWidth();
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virtual Graphics::PixelFormat getOverlayFormat() const { return Graphics::createPixelFormat<565>(); }
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virtual bool showMouse(bool visible);
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virtual void warpMouse(int x, int y);
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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);
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virtual bool pollEvent(Common::Event &event);
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virtual uint32 getMillis();
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virtual void delayMillis(uint msecs);
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virtual MutexRef createMutex(void);
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virtual void lockMutex(MutexRef mutex);
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virtual void unlockMutex(MutexRef mutex);
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virtual void deleteMutex(MutexRef mutex);
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static void mixCallback(void *sys, byte *samples, int len);
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virtual void setupMixer(void);
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virtual void setTimerCallback(TimerProc callback, int interval);
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virtual int getScreenChangeID() const { return _screenChangeCount; }
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virtual void quit();
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FilesystemFactory *getFilesystemFactory() { return _fsFactory; }
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virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0);
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virtual void getTimeAndDate(TimeDate &t) const;
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virtual Common::SaveFileManager *getSavefileManager();
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virtual Audio::Mixer *getMixer();
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virtual Common::TimerManager *getTimerManager();
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void startSoundsystem();
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void stopSoundsystem();
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virtual Common::SeekableReadStream *createConfigReadStream();
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virtual Common::WriteStream *createConfigWriteStream();
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protected:
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void internUpdateScreen();
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void dirtyFullScreen();
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void dirtyFullOverlayScreen();
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void clipRectToScreen(int16 &x, int16 &y, int16 &w, int16 &h);
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void suspendLoop();
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void drawDirtyRect(const Common::Rect& dirtyRect);
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void drawDirtyOverlayRect(const Common::Rect& dirtyRect);
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void drawMouseCursorOnRectUpdate(const Common::Rect& updatedRect, const Common::Rect& mouseRect);
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void updateHardwareSurfaceForRect(const Common::Rect& updatedRect);
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static void AQBufferCallback(void *in, AudioQueueRef inQ, AudioQueueBufferRef outQB);
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static int timerHandler(int t);
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bool handleEvent_swipe(Common::Event &event, int direction);
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void handleEvent_keyPressed(Common::Event &event, int keyPressed);
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void handleEvent_orientationChanged(int orientation);
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bool handleEvent_mouseDown(Common::Event &event, int x, int y);
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bool handleEvent_mouseUp(Common::Event &event, int x, int y);
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bool handleEvent_secondMouseDown(Common::Event &event, int x, int y);
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bool handleEvent_secondMouseUp(Common::Event &event, int x, int y);
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bool handleEvent_mouseDragged(Common::Event &event, int x, int y);
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bool handleEvent_mouseSecondDragged(Common::Event &event, int x, int y);
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};
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