/* ScummVM - Scumm Interpreter * Copyright (C) 2001 Ludvig Strigeus * Copyright (C) 2001-2003 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 "system.h" Err HwrDisplayPalette(UInt8 operation, Int16 startIndex, UInt16 paletteEntries, RGBColorType *tableP) SYS_TRAP(sysTrapHwrDisplayPalette); //-- 02-12-17 --//////////////////////////////////////////////////////////////// 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); // Create a thread void create_thread(ThreadProc *proc, void *param); // 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); /** @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 end_frame); // Stop cdrom audio track void stop_cdrom(); // Update cdrom audio status void update_cdrom(); // Add a callback timer void set_timer(int timer, int (*callback)(int)); // Mutex handling void *create_mutex(); void lock_mutex(void *mutex); void unlock_mutex(void *mutex); void delete_mutex(void *mutex); // Quit void quit(); bool _quit; // 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; protected: bool _overlay_visible; private: typedef void (OSystem_PALMOS::*RendererProc)(); RendererProc _renderer_proc; UInt8 *_sndDataP, *_sndTempP; void update_screen__flipping(); void update_screen__dbuffer(); void update_screen__direct(); void update_screen__wide(); WinHandle _screenH; WinHandle _offScreenH; public: byte *_screenP; private: byte *_offScreenP; byte *_tmpScreenP; bool _mouseVisible; bool _mouseDrawn; enum { MAX_MOUSE_W = 40, // must be 80x80 with 640x480 games MAX_MOUSE_H = 40 }; int _screenWidth, _screenHeight; bool _overlaySaved; 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; UInt16 _decaly, _screeny; Boolean _vibrate; UInt32 _exit_delay; struct { uint32 duration, next_expiry; bool active; int (*callback) (int); } _timer; struct { bool active; ThreadProc *proc; void *param; struct { UInt32 value; UInt32 status; } sleep; } _thread; struct { bool active; SoundProc *proc; void *param; SoundFormat format; } _sound; // Palette data RGBColorType *_currentPalette; uint _paletteDirtyStart, _paletteDirtyEnd; void check_sound(); void draw_mouse(); void undraw_mouse(); void load_gfx_mode(); void unload_gfx_mode(); static void autosave(); // cdrom Boolean _isCDRomAvalaible; UInt16 _msaRefNum; AlbumInfoType _msaAlbum; UInt16 _msaLoops; UInt32 _msaPBRate; UInt16 _msaTrack; UInt32 _msaStopTime; UInt32 _msaEndTime; UInt32 _msaStartFrame; UInt32 _msaEndFrame; UInt32 _msaTrackStart; UInt32 _msaTrackLength; // PALM spec Int32 _lastKeyPressed; UInt32 _lastKeyRepeat; UInt8 _lastKeyModifier; Boolean _useNumPad; Boolean _useHRmode; eventsEnum _lastEvent; UInt16 _wideRefNum; Boolean onehalf[320]; OSystem_PALMOS(); }; #endif