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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.
*
* $URL$
* $Id$
*
*/
#ifndef BE_BASE_H
#define BE_BASE_H
#include <time.h>
#include "PalmVersion.h"
#include "globals.h"
#include "common/scummsys.h"
#include "common/system.h"
#include "common/events.h"
#include "graphics/surface.h"
namespace Audio {
class Mixer;
}
namespace Common {
class SaveFileManager;
class TimerManager;
}
enum {
GFX_NORMAL = 0,
GFX_WIDE,
};
// OSD key state
enum {
kModifierNone = 0,
kModifierCommand,
kModifierAlt,
kModifierCtrl,
kModifierCount
};
// Mouse button event
enum {
vchrMouseLeft = vchrHardKeyMax - 2,
vchrMouseRight = vchrHardKeyMax - 1
};
// OSD resource id
#define kDrawKeyState 3000
#define kDrawNumPad 3010
#define kDrawBatLow 3020
#define kDrawFight 3030
#define computeMsecs(x) ((SysTicksPerSecond() * x) / 1000)
typedef void (*SoundProc)(void *param, byte *buf, int len);
typedef int (*TimerProc)(int interval);
typedef struct {
UInt32 duration, nextExpiry;
Boolean active;
TimerProc callback;
} TimerType, *TimerPtr;
typedef struct {
Boolean active;
void *proc;
void *param;
} SoundType, *SoundPtr;
class OSystem_PalmBase : public OSystem {
private:
virtual void int_initBackend() { }
virtual const GraphicsMode *int_getSupportedGraphicsModes() const;
virtual void int_updateScreen() = 0;
virtual void int_initSize(uint w, uint h) = 0;
virtual void int_setShakePos(int shakeOffset) { }
virtual void extras_palette(uint8 index, uint8 r, uint8 g, uint8 b) { }
virtual void int_quit() { }
virtual void unload_gfx_mode() = 0;
virtual void load_gfx_mode() = 0;
virtual void draw_mouse() = 0;
virtual void undraw_mouse() = 0;
virtual bool check_event(Common::Event &event, EventPtr ev) = 0;
virtual void timer_handler();
void battery_handler();
virtual void get_coordinates(EventPtr ev, Coord &x, Coord &y) = 0;
void simulate_mouse(Common::Event &event, Int8 iHoriz, Int8 iVert, Coord *xr, Coord *yr);
virtual void sound_handler() = 0;
virtual bool setSoundCallback(SoundProc proc, void *param) = 0;
virtual void clearSoundCallback() = 0;
protected:
OSystem_PalmBase();
virtual void draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color = 0);
struct MousePos {
int16 x,y,w,h;
};
TimerType _timer;
SoundType _sound;
Common::SaveFileManager *_saveMgr;
Audio::Mixer *_mixerMgr;
Common::TimerManager *_timerMgr;
RGBColorType _currentPalette[256];
uint _paletteDirtyStart, _paletteDirtyEnd;
int _mode, _setMode;
int16 _screenWidth, _screenHeight;
Boolean _modeChanged, _gfxLoaded;
UInt32 _screenPitch;
PointType _screenOffset;
struct {
Coord w, h;
} _screenDest;
byte *_screenP, *_offScreenP;
WinHandle _screenH, _offScreenH;
int _current_shake_pos;
int _new_shake_pos;
Boolean _overlayVisible;
Boolean _redawOSD, _setPalette;
UInt32 _keyExtraMask, _keyExtraPressed, _keyExtraRepeat, _keyExtraDelay;
struct {
UInt32 bitUp;
UInt32 bitDown;
UInt32 bitLeft;
UInt32 bitRight;
UInt32 bitActionA; // left mouse button
UInt32 bitActionB; // right mouse button
} _keyExtra;
bool _mouseVisible;
bool _mouseDrawn;
MousePos _mouseCurState;
MousePos _mouseOldState;
int16 _mouseHotspotX;
int16 _mouseHotspotY;
byte _mouseKeyColor;
byte *_mouseDataP, *_mouseBackupP;
bool _wasKey;
UInt8 _lastKeyModifier;
UInt32 _lastKeyRepeat;
Boolean _useNumPad, _showBatLow;
UInt32 _batCheckTicks, _batCheckLast;
int _samplesPerSec;
public:
void initBackend();
/*
virtual void setFeatureState(Feature f, bool enable) {};
bool hasFeature(Feature f);
bool getFeatureState(Feature f);
virtual void beginGFXTransaction();
virtual void endGFXTransaction();
virtual int16 getOverlayHeight();
virtual int16 getOverlayWidth();
virtual void setCursorPalette(const byte *colors, uint start, uint num);
virtual void disableCursorPalette(bool disable);
virtual void displayMessageOnOSD(const char *msg);
*/
const GraphicsMode *getSupportedGraphicsModes() const;
int getGraphicsMode() const;
virtual int getDefaultGraphicsMode() const;
virtual bool setGraphicsMode(int mode);
void initSize(uint w, uint h);
int16 getWidth() { return _screenWidth; }
int16 getHeight() { return _screenHeight; }
void setShakePos(int shakeOffset);
virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) = 0;
virtual void updateScreen();
virtual void clearScreen();
bool showMouse(bool visible);
void warpMouse(int x, int y);
void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int cursorTargetScale);
virtual void showOverlay() = 0;
virtual void hideOverlay() = 0;
virtual void clearOverlay() = 0;
virtual void grabOverlay(OverlayColor *buf, int pitch) = 0;
virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) = 0;
void setPalette(const byte *colors, uint start, uint num);
void grabPalette(byte *colors, uint start, uint num);
virtual Graphics::PixelFormat getOverlayFormat() const { return Graphics::createPixelFormat<565>(); }
bool pollEvent(Common::Event &event);
void getTimeAndDate(struct tm &t) const;
virtual uint32 getMillis();
virtual void delayMillis(uint msecs);
virtual void setTimerCallback(TimerProc callback, int interval);
virtual MutexRef createMutex() { return NULL; }
virtual void lockMutex(MutexRef mutex) {}
virtual void unlockMutex(MutexRef mutex) {}
virtual void deleteMutex(MutexRef mutex) {}
int getOutputSampleRate() const { return _samplesPerSec; }
virtual Audio::Mixer *getMixer();
void quit();
virtual void setWindowCaption(const char *caption) = 0;
Common::SaveFileManager *getSavefileManager();
Common::TimerManager *getTimerManager();
virtual Common::SeekableReadStream *openConfigFileForReading();
virtual Common::WriteStream *openConfigFileForWriting();
};
#endif
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