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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 R�diger Hanke (MorphOS port)
*
* 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.
*
* MorphOS-specific header file
*
* $URL$
* $Id$
*
*/
#ifndef MORPHOS_MORPHOS_H
#define MORPHOS_MORPHOS_H
#include <dos/dosextens.h>
#include <graphics/regions.h>
#include <intuition/intuition.h>
#include <intuition/screens.h>
#include <libraries/cdda.h>
#include <proto/exec.h>
#include "backends/intern.h"
#include "morphos_scaler.h"
class OSystem_MorphOS : public OSystem
{
public:
OSystem_MorphOS(SCALERTYPE gfx_mode, bool full_screen);
virtual ~OSystem_MorphOS();
bool Initialise();
// Set colors of the palette
virtual void setPalette(const byte *colors, uint start, uint num);
// Set the size of the video bitmap.
// Typically, 320x200
virtual void initSize(uint w, uint h, int overlayScale);
// Draw a bitmap to screen.
// The screen will not be updated to reflect the new bitmap
virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
// Update the dirty areas of the screen
virtual void updateScreen();
// Either show or hide the mouse cursor
virtual bool showMouse(bool visible);
// Set the position of the mouse cursor
virtual void set_mouse_pos(int x, int y);
// Set the bitmap that's used when drawing the cursor.
virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor);
// Shaking is used in SCUMM. Set current shake position.
virtual void setShakePos(int shake_pos);
// Overlay
virtual void showOverlay();
virtual void hideOverlay();
virtual void clearOverlay();
virtual void grabOverlay(int16 *buf, int pitch);
virtual void copyRectToOverlay(const int16 *buf, int pitch, int x, int y, int w, int h);
virtual int16 getHeight();
virtual int16 getWidth();
// Get the number of milliseconds since the program was started.
virtual uint32 getMillis();
// Delay for a specified amount of milliseconds
virtual void delayMillis(uint msecs);
// Add a new callback timer
virtual void setTimerCallback(TimerProc callback, int timer);
// Mutex handling
virtual MutexRef createMutex();
virtual void lockMutex(MutexRef mutex);
virtual void unlockMutex(MutexRef mutex);
virtual void deleteMutex(MutexRef mutex);
// Get the next event.
// Returns true if an event was retrieved.
virtual bool pollEvent(Event &event);
// Moves mouse pointer to specified position
virtual void warpMouse(int x, int y);
// Set the function to be invoked whenever samples need to be generated
virtual bool setSoundCallback(SoundProc proc, void *param);
void fill_sound (byte * stream, int len);
void clearSoundCallback();
virtual uint32 property(int param, Property *value);
// Poll cdrom status
// Returns true if cd audio is playing
virtual bool pollCD();
// Play cdrom audio track
virtual void playCD(int track, int num_loops, int start_frame, int duration);
// Stop cdrom audio track
virtual void stopCD();
// Update cdrom audio status
virtual void updateCD();
// Quit
virtual void quit();
static OSystem_MorphOS *create(SCALERTYPE gfx_scaler, bool full_screen);
static bool OpenATimer(MsgPort **port, IORequest **req, ULONG unit, bool required = true);
private:
typedef enum { CSDSPTYPE_WINDOWED, CSDSPTYPE_FULLSCREEN, CSDSPTYPE_TOGGLE, CSDSPTYPE_KEEP } CS_DSPTYPE;
static const int MAX_MOUSE_W = 80;
static const int MAX_MOUSE_H = 80;
void CreateScreen(CS_DSPTYPE dspType);
void SwitchScalerTo(SCALERTYPE newScaler);
bool AddUpdateRect(WORD x, WORD y, WORD w, WORD h);
void DrawMouse();
void UndrawMouse();
/* Display-related attributes */
Screen *ScummScreen;
Window *ScummWindow;
char ScummWndTitle[125];
APTR ScummBuffer;
LONG ScummBufferWidth;
LONG ScummBufferHeight;
ScreenBuffer *ScummScreenBuffer[2];
BitMap *ScummRenderTo;
ULONG ScummPaintBuffer;
int ScummScrWidth;
int ScummScrHeight;
int ScummDepth;
bool Scumm16ColFmt16;
UWORD *ScummNoCursor;
ULONG ScummColors[256];
USHORT ScummColors16[256];
WORD ScummWinX;
WORD ScummWinY;
bool ScummDefaultMouse;
bool ScummOrigMouse;
int ScummShakePos;
bool FullScreenMode;
bool ScreenChanged;
UWORD **BlockColors;
bool *DirtyBlocks;
Region *UpdateRegion;
Region *NewUpdateRegion;
ULONG UpdateRects;
SignalSemaphore CritSec;
/* Overlay-related attributes */
APTR OvlBitMap;
APTR OvlSavedBuffer;
ColorMap *OvlCMap;
/* Sound-related attributes */
Process *ScummSoundThread;
SoundProc SoundProc;
void *SoundParam;
MsgPort *ThreadPort;
Message MusicStartup;
Message SoundStartup;
/* CD-ROM related attributes */
CDRIVEPTR CDrive;
ULONG CDDATrackOffset;
/* Scaling-related attributes */
SCALERTYPE ScummScaler;
int ScummScale;
MorphOSScaler *Scaler;
/* Mouse cursor-related attributes */
bool MouseVisible, MouseDrawn;
int MouseX, MouseY;
int MouseWidth, MouseHeight;
int MouseOldX, MouseOldY;
int MouseOldWidth, MouseOldHeight;
int MouseHotspotX, MouseHotspotY;
byte *MouseImage, MouseBackup[MAX_MOUSE_W*MAX_MOUSE_H];
byte MouseKeycolor;
MsgPort* InputMsgPort;
IOStdReq*InputIORequest;
/* Timer-related attributes */
MsgPort *TimerMsgPort;
timerequest *TimerIORequest;
/* Game-related attributes */
int GameID;
};
class AutoLock
{
public:
AutoLock(SignalSemaphore* s) : sem(s) { ObtainSemaphore(sem); }
~AutoLock() { ReleaseSemaphore(sem); }
private:
SignalSemaphore* sem;
};
#define AUTO_LOCK AutoLock cs(&CritSec);
extern OSystem_MorphOS *TheSystem;
#endif
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