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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
 * 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 _WII_OSYSTEM_H_
#define _WII_OSYSTEM_H_

#include <gctypes.h>
#include <gccore.h>
#include <ogcsys.h>

#include <gfx/gfx.h>

#include "base/main.h"
#include "common/fs.h"
#include "common/rect.h"
#include "common/events.h"
#include "backends/base-backend.h"
#include "backends/saves/default/default-saves.h"
#include "backends/timer/default/default-timer.h"
#include "graphics/colormasks.h"
#include "graphics/surface.h"
#include "sound/mixer_intern.h"

#ifdef __cplusplus
extern "C" {

extern bool reset_btn_pressed;
extern bool power_btn_pressed;

extern void wii_memstats(void);

#ifdef __cplusplus

class OSystem_Wii : public BaseBackend {
      s64 _startup_time;

      int _cursorScale;
      bool _cursorPaletteDisabled;
      u16 *_cursorPalette;
      bool _cursorPaletteDirty;

      bool _gameRunning;
      u16 _gameWidth, _gameHeight;
      u8 *_gamePixels;
      Graphics::Surface _surface;
      gfx_screen_coords_t _coordsGame;
      gfx_tex_t _texGame;
      bool _gameDirty;

      bool _overlayVisible;
      u16 _overlayWidth, _overlayHeight;
      u32 _overlaySize;
      OverlayColor *_overlayPixels;
      gfx_screen_coords_t _coordsOverlay;
      gfx_tex_t _texOverlay;
      bool _overlayDirty;

      u32 _lastScreenUpdate;
      u16 _currentWidth, _currentHeight;
      f32 _currentXScale, _currentYScale;

      s32 _configGraphicsMode;
      s32 _actualGraphicsMode;
      bool _bilinearFilter;
      const Graphics::PixelFormat _pfRGB565;
      const Graphics::PixelFormat _pfRGB3444;
      Graphics::PixelFormat _pfGame;
      Graphics::PixelFormat _pfGameTexture;
      Graphics::PixelFormat _pfCursor;

      bool _consoleVisible;
      bool _optionsDlgActive;
      bool _fullscreen;
      bool _arCorrection;

      bool _mouseVisible;
      s32 _mouseX, _mouseY;
      s32 _mouseHotspotX, _mouseHotspotY;
      u16 _mouseKeyColor;
      gfx_tex_t _texMouse;

      bool _kbd_active;

      bool _event_quit;

      u32 _lastPadCheck;
      u8 _padSensitivity;
      u8 _padAcceleration;

      void initGfx();
      void deinitGfx();
      void updateScreenResolution();
      void switchVideoMode(int mode);

      void initSfx();
      void deinitSfx();

      void initEvents();
      void deinitEvents();
      void updateEventScreenResolution();
      bool pollKeyboard(Common::Event &event);

      void showOptionsDialog();

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

      enum {
            gmStandard = 0,

      virtual ~OSystem_Wii();

      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 Graphics::PixelFormat getScreenFormat() const;
      virtual Common::List<Graphics::PixelFormat> getSupportedFormats();
      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 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 getOverlayWidth();
      virtual int16 getOverlayHeight();
      virtual Graphics::PixelFormat getOverlayFormat() const;

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

      virtual MutexRef createMutex();
      virtual void lockMutex(MutexRef mutex);
      virtual void unlockMutex(MutexRef mutex);
      virtual void deleteMutex(MutexRef mutex);

      typedef void (*SoundProc)(void *param, byte *buf, int len);

      virtual void quit();

      virtual void setWindowCaption(const char *caption);

      virtual Common::SaveFileManager *getSavefileManager();
      virtual Audio::Mixer *getMixer();
      virtual Common::TimerManager *getTimerManager();
      virtual FilesystemFactory *getFilesystemFactory();
      virtual void getTimeAndDate(TimeDate &t) const;


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