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osys_psp.h

/* 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-1-0/backends/platform/psp/osys_psp.h $
 * $Id: osys_psp.h 47541 2010-01-25 01:39:44Z lordhoto $
 *
 */

#ifndef OSYS_PSP_H
#define OSYS_PSP_H

#include "common/scummsys.h"
#include "graphics/surface.h"
#include "graphics/colormasks.h"
#include "sound/mixer_intern.h"
#include "backends/base-backend.h"
#include "backends/fs/psp/psp-fs-factory.h"
#include "backends/platform/psp/pspkeyboard.h"

#include <SDL.h>

#include <pspctrl.h>

enum GraphicModeID {
      CENTERED_320X200,
      CENTERED_435X272,
      STRETCHED_480X272,
      CENTERED_362X272
};

class OSystem_PSP : public BaseBackend {
public:
      static const OSystem::GraphicsMode s_supportedGraphicsModes[];
      static OSystem *instance();

protected:
      struct Vertex {
            float u,v;
            float x,y,z;
      };

      uint16      _screenWidth;
      uint16      _screenHeight;
      uint16  _overlayWidth;
      uint16  _overlayHeight;
      byte  *_offscreen;
      OverlayColor  *_overlayBuffer;
      uint16  _palette[256];
      bool  _overlayVisible;
      uint32      _shakePos;
      uint32      _lastScreenUpdate;

      Graphics::Surface _framebuffer;

      bool  _mouseVisible;
      int   _mouseX, _mouseY;
      int _dpadX, _dpadY;
      int   _mouseWidth, _mouseHeight;
      int   _mouseHotspotX, _mouseHotspotY;
      byte  _mouseKeyColour;
      byte  *_mouseBuf;
      bool  _cursorPaletteDisabled;

      int _graphicMode;
      unsigned short* _clut;
      PSPKeyboard *_keyboard;

      uint32      _prevButtons;
      uint32      _lastPadCheck;
      uint32      _padAccel;

      uint32            _samplesPerSec;
      SceCtrlData pad;

      Common::SaveFileManager *_savefile;
      Audio::MixerImpl *_mixer;
      Common::TimerManager *_timer;

      Common::KeyCode getDpadEvent(int x, int y);

public:
      OSystem_PSP();
      virtual ~OSystem_PSP();

      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);
      bool setGraphicsMode(const char *name);
      virtual int getGraphicsMode() const;

      virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format);
      virtual int16 getWidth();
      virtual int16 getHeight();

      virtual void setPalette(const byte *colors, uint start, uint num);
      virtual void grabPalette(byte *colors, uint start, uint num);
      virtual void setCursorPalette(const byte *colors, uint start, uint num);
      virtual void disableCursorPalette(bool disable);
      virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
      virtual Graphics::Surface *lockScreen();
      virtual void unlockScreen();
      virtual void updateScreen();
      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<4444>(); }

      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, int cursorTargetScale, const Graphics::PixelFormat *format);

      virtual bool pollEvent(Common::Event &event);
      virtual bool processInput(Common::Event &event);

      virtual uint32 getMillis();
      virtual void delayMillis(uint msecs);

      typedef int (*TimerProc)(int interval);
      virtual void setTimerCallback(TimerProc callback, int interval);

      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);

      Common::SaveFileManager *getSavefileManager() { return _savefile; }
      Audio::Mixer *getMixer() { return _mixer; }
      Common::TimerManager *getTimerManager() { return _timer; }
      FilesystemFactory *getFilesystemFactory() { return &PSPFilesystemFactory::instance(); }
      void getTimeAndDate(TimeDate &t) const;

      virtual void quit();

      virtual Common::SeekableReadStream *createConfigReadStream();
      virtual Common::WriteStream *createConfigWriteStream();
};


#endif /* OSYS_PSP_H */

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