/* ScummVM - Scumm Interpreter * Copyright (C) 2001 Ludvig Strigeus * Copyright (C) 2001-2004 The ScummVM project * * 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. * * $Header$ * */ #ifndef PALM_H #define PALM_H #include #include "common/system.h" #include "cdaudio.h" #include "PNOLoader.h" Err HwrDisplayPalette(UInt8 operation, Int16 startIndex, UInt16 paletteEntries, RGBColorType *tableP) SYS_TRAP(sysTrapHwrDisplayPalette); typedef struct { OSystem::SoundProc proc; void *param; OSystem::SoundFormat format; SndStreamRef sndRefNum; bool active, useHandler; void *dataP; } SoundDataType; class OSystem_PALMOS : public OSystem { public: // Set colors of the palette void set_palette(const byte *colors, uint start, uint num); // Set the size of the video bitmap. // Typically, 320x200 void init_size(uint w, uint h); // Draw a bitmap to screen. // The screen will not be updated to reflect the new bitmap void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h); // Moves the screen content around by the given amount of pixels // but only the top height pixel rows, the rest stays untouched void move_screen(int dx, int dy, int height); // Update the dirty areas of the screen void update_screen(); // Either show or hide the mouse cursor bool show_mouse(bool visible); // Set the position of the mouse cursor void set_mouse_pos(int x, int y); // Warp the mouse cursor. Where set_mouse_pos() only informs the // backend of the mouse cursor's current position, this function // actually moves the cursor to the specified position. void warp_mouse(int x, int y); // Set the bitmap that's used when drawing the cursor. 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. void set_shake_pos(int shake_pos); // Get the number of milliseconds since the program was started. uint32 get_msecs(); // Delay for a specified amount of milliseconds void delay_msecs(uint msecs); // Get the next event. // Returns true if an event was retrieved. bool poll_event(Event *event); void SimulateArrowKeys(Event *event, Int8 iHoriz, Int8 iVert, Boolean repeat = false); /** @name Sound */ //@{ /** * Set the audio callback which is invoked whenever samples need to be generated. * Currently, only the 16-bit signed mode is ever used for Simon & Scumm * @param proc pointer to the callback. * @param param an arbitrary parameter which is stored and passed to proc. * @param format the sample type format. */ bool set_sound_proc(SoundProc proc, void *param, SoundFormat format); /** * Remove any audio callback previously set via set_sound_proc, thus effectively * stopping all audio output immediately. * @see set_sound_proc */ void clear_sound_proc(); //@} // Poll cdrom status // Returns true if cd audio is playing bool poll_cdrom(); // Play cdrom audio track void play_cdrom(int track, int num_loops, int start_frame, int duration); // Stop cdrom audio track void stop_cdrom(); // Update cdrom audio status void update_cdrom(); // Add a callback timer void set_timer(TimerProc callback, int timer); // Mutex handling MutexRef create_mutex(); void lock_mutex(MutexRef mutex); void unlock_mutex(MutexRef mutex); void delete_mutex(MutexRef mutex); // Quit void quit(); bool _selfQuit; UInt8 _quitCount; // Overlay void show_overlay(); void hide_overlay(); void clear_overlay(); void grab_overlay(byte *buf, int pitch); void copy_rect_overlay(const byte *buf, int pitch, int x, int y, int w, int h); int16 get_width(); int16 get_height(); byte RGBToColor(uint8 r, uint8 g, uint8 b); void ColorToRGB(byte color, uint8 &r, uint8 &g, uint8 &b); // Set a parameter uint32 property(int param, Property *value); // Savefile management SaveFileManager *get_savefile_manager(); static OSystem *create(UInt16 gfx_mode); // UInt8 _sndHandle; // Boolean _isSndPlaying; // UInt8 *convP; protected: byte *_tmpScreenP, *_tmpBackupP; bool _overlayVisible; private: typedef void (OSystem_PALMOS::*RendererProc)(); RendererProc _renderer_proc; void update_screen__flipping(); void update_screen__buffered(); void update_screen__direct(); void update_screen__wide_portrait(); void update_screen__wide_landscape(); void update_screen__wide_zodiac(); void *ptrP[5]; // various ptr WinHandle _screenH; WinHandle _offScreenH; Boolean _fullscreen, _adjustAspectRatio; struct { Coord x; Coord y; UInt32 addr; } _screenOffset; byte *_screenP; byte *_offScreenP; int _offScreenPitch; int _screenPitch; bool _mouseVisible; bool _mouseDrawn; enum { MAX_MOUSE_W = 40, // must be 80x80 with 640x480 games ? MAX_MOUSE_H = 40 }; int _screenWidth, _screenHeight; struct MousePos { int16 x,y,w,h; }; UInt16 _mode; byte *_mouseDataP; byte *_mouseBackupP; MousePos _mouseCurState; MousePos _mouseOldState; int16 _mouseHotspotX; int16 _mouseHotspotY; int _current_shake_pos; int _new_shake_pos; Boolean _vibrate; UInt32 _exit_delay; struct { uint32 duration, nextExpiry; bool active; TimerProc callback; } _timer; SoundDataType _sound; // Palette data RGBColorType *_currentPalette; uint _paletteDirtyStart, _paletteDirtyEnd; void draw_mouse(); void undraw_mouse(); void sound_handler(); void timer_handler(UInt32 current_msecs); void getCoordinates(EventPtr event, Coord *x, Coord *y); void draw1BitGfx(UInt16 id, UInt32 x, UInt32 y, Boolean clear); void load_gfx_mode(); void unload_gfx_mode(); static void autosave(); // ARM struct { PnoDescriptor pnoDesc; MemPtr pnoPtr; } _arm; CDAudio *_cdPlayer; // PALM spec enum { kLastKeyNone = 0, kLastKeyMouseUp = 1 << 0, kLastKeyMouseDown = 1 << 1, kLastKeyMouseLeft = 1 << 2, kLastKeyMouseRight = 1 << 3, kLastKeyMouseButLeft = 1 << 4, kLastKeyMouseButRight = 1 << 5, kLastKeyCalc = 1 << 30, kLastKeyAny = 1 << 31 }; Int32 _lastKeyPressed; UInt32 _lastKeyRepeat; UInt8 _lastKeyModifier; Boolean _useNumPad; Boolean _useHRmode; eventsEnum _lastEvent; OSystem_PALMOS(); void init_intern(UInt16 gfx_mode); }; #endif