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/* 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_IOS7_IOS7_OSYS_MAIN_H
#define BACKENDS_PLATFORM_IOS7_IOS7_OSYS_MAIN_H
#include "graphics/surface.h"
#include "backends/platform/ios7/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;
#ifdef IPHONE_SANDBOXED
Common::String _chrootBasePath;
#endif
public:
OSystem_iOS7();
virtual ~OSystem_iOS7();
static OSystem_iOS7 *sharedInstance();
virtual void initBackend();
virtual void engineInit();
virtual void engineDone();
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) const;
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
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