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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* MorphOS-specific header file
*
* $Header$
*
*/
#include <exec/semaphores.h>
#include <libraries/cdda.h>
class OSystem_MorphOS : public OSystem
{
public:
typedef enum { ST_INVALID = 0, ST_NONE, ST_POINT, ST_SUPEREAGLE, ST_SUPER2XSAI } SCALERTYPE;
OSystem_MorphOS( int game_id, SCALERTYPE gfx_mode, bool full_screen );
virtual ~OSystem_MorphOS();
// Set colors of the palette
virtual void set_palette(const byte *colors, uint start, uint num);
// Set the size of the video bitmap.
// Typically, 320x200
virtual void init_size(uint w, uint h);
// Draw a bitmap to screen.
// The screen will not be updated to reflect the new bitmap
virtual void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h);
// Update the dirty areas of the screen
virtual void update_screen();
// Either show or hide the mouse cursor
virtual bool show_mouse(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 set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y);
// Shaking is used in SCUMM. Set current shake position.
virtual void set_shake_pos(int shake_pos);
// Get the number of milliseconds since the program was started.
virtual uint32 get_msecs();
// Delay for a specified amount of milliseconds
virtual void delay_msecs(uint msecs);
// Create a thread
virtual void *create_thread(ThreadProc *proc, void *param);
// Get the next event.
// Returns true if an event was retrieved.
virtual bool poll_event(Event *event);
// Set the function to be invoked whenever samples need to be generated
virtual void set_sound_proc(void *param, SoundProc *proc, byte format);
void fill_sound (byte * stream, int len);
virtual uint32 property(int param, uint32 value);
// Quit
virtual void quit();
static OSystem_MorphOS *create ( int game_id, SCALERTYPE gfx_scaler, bool full_screen );
static uint32 make_color( int pixfmt, int r, int g, int b );
static SCALERTYPE FindScaler ( const char *ScalerName );
private:
typedef void (*ScalerFunc)( uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height );
typedef enum { CSDSPTYPE_WINDOWED, CSDSPTYPE_FULLSCREEN, CSDSPTYPE_TOGGLE, CSDSPTYPE_KEEP } CS_DSPTYPE;
struct GfxScaler
{
STRPTR gs_Name;
SCALERTYPE gs_Type;
};
static const int MAX_MOUSE_W = 40;
static const int MAX_MOUSE_H = 40;
void create_screen ( CS_DSPTYPE dspType );
void SwitchScalerTo ( SCALERTYPE newScaler );
void Super2xSaI ( uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height );
void SuperEagle ( uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height );
void PointScaler ( uint32 src_x, uint32 src_y, uint32 dest_x, uint32 dest_y, uint32 width, uint32 height );
void draw_mouse();
void undraw_mouse();
/* Display-related attributes */
struct Screen *ScummScreen;
struct Window *ScummWindow;
char ScummWndTitle[ 125 ];
APTR ScummBuffer;
struct ScreenBuffer *ScummScreenBuffer[ 2 ];
struct BitMap *ScummRenderTo;
bool ScummPCMode;
ULONG ScummPaintBuffer;
int ScummScrWidth;
int ScummScrHeight;
int ScummDepth;
bool Scumm16ColFmt16;
UWORD *ScummNoCursor;
ULONG ScummColors[256];
USHORT ScummColors16[256];
WORD ScummWinX;
WORD ScummWinY;
bool ScummOrigMouse;
int ScummShakePos;
bool FullScreenMode;
/* Scaling-related attributes */
uint32 colorMask;
uint32 lowPixelMask;
uint32 qcolorMask;
uint32 qlowpixelMask;
uint32 redblueMask;
uint32 greenMask;
int PixelsPerMask;
byte *src_line[4];
byte *dst_line[2];
/* Sound-related attributes */
struct Process *ScummMusicThread;
struct Process *ScummSoundThread;
SoundProc *SoundProc;
void *SoundParam;
/* CD-ROM related attributes */
CDRIVEPTR CDrive;
ULONG CDDATrackOffset;
/* Scaling-related attributes */
SCALERTYPE ScummScaler;
int ScummScale;
static GfxScaler ScummScalers[ 10 ];
/* 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 ];
/* Timer-related attributes */
struct MsgPort *TimerMsgPort;
struct timerequest *TimerIORequest;
/* Game-related attributes */
int GameID;
};
int morphos_sound_thread( OSystem_MorphOS *syst, ULONG SampleType );
int morphos_main( int argc, char *argv[] );
extern OSystem_MorphOS *TheSystem;
extern struct SignalSemaphore ScummMusicThreadRunning;
extern struct SignalSemaphore ScummSoundThreadRunning;
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