2002-04-12 21:26:59 +00:00
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/* Interface to what's below ScummVM */
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class OSystem {
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public:
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typedef int ThreadProc(void *param);
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2002-04-14 18:13:08 +00:00
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typedef void SoundProc(void *param, byte *buf, int len);
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2002-04-12 21:26:59 +00:00
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struct Event {
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int event_code;
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struct {
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uint16 ascii;
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byte flags;
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int keycode;
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} kbd;
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struct {
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int x,y;
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} mouse;
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};
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enum {
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EVENT_KEYDOWN = 1,
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// EVENT_KEYUP = 2,
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EVENT_MOUSEMOVE = 3,
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EVENT_LBUTTONDOWN = 4,
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EVENT_LBUTTONUP = 5,
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EVENT_RBUTTONDOWN = 6,
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EVENT_RBUTTONUP = 7,
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};
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enum {
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KBD_CTRL = 1,
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KBD_ALT = 2,
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KBD_SHIFT = 4,
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};
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enum {
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2002-04-14 18:13:08 +00:00
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PROP_TOGGLE_FULLSCREEN = 1,
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PROP_SET_WINDOW_CAPTION = 2,
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PROP_OPEN_CD = 3,
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PROP_SET_GFX_MODE = 4,
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PROP_SHOW_DEFAULT_CURSOR = 5,
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PROP_GET_SAMPLE_RATE = 6,
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2002-04-12 21:26:59 +00:00
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};
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enum {
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2002-04-14 18:13:08 +00:00
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SOUND_8BIT = 0,
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SOUND_16BIT = 1,
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2002-04-12 21:26:59 +00:00
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};
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// Set colors of the palette
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virtual void set_palette(const byte *colors, uint start, uint num) = 0;
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// Set the size of the video bitmap.
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// Typically, 320x200
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2002-04-14 18:13:08 +00:00
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virtual void init_size(uint w, uint h) = 0;
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2002-04-12 21:26:59 +00:00
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// Draw a bitmap to screen.
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// The screen will not be updated to reflect the new bitmap
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virtual void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h) = 0;
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// Update the dirty areas of the screen
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virtual void update_screen() = 0;
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// Either show or hide the mouse cursor
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virtual bool show_mouse(bool visible) = 0;
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// Set the position of the mouse cursor
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virtual void set_mouse_pos(int x, int y) = 0;
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// Set the bitmap that's used when drawing the cursor.
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virtual void set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y) = 0;
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// Shaking is used in SCUMM. Set current shake position.
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virtual void set_shake_pos(int shake_pos) = 0;
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// Get the number of milliseconds since the program was started.
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virtual uint32 get_msecs() = 0;
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// Delay for a specified amount of milliseconds
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virtual void delay_msecs(uint msecs) = 0;
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// Create a thread
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virtual void *create_thread(ThreadProc *proc, void *param) = 0;
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// Get the next event.
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// Returns true if an event was retrieved.
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virtual bool poll_event(Event *event) = 0;
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// Set the function to be invoked whenever samples need to be generated
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2002-04-14 18:13:08 +00:00
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// Format is the sample type format.
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// Only 16-bit signed mode is needed for simon & scumm
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2002-04-16 12:07:19 +00:00
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virtual bool set_sound_proc(void *param, SoundProc *proc, byte format) = 0;
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2002-04-12 21:26:59 +00:00
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2002-04-14 18:13:08 +00:00
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// Get or set a property
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virtual uint32 property(int param, uint32 value) = 0;
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2002-04-12 21:26:59 +00:00
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2002-04-16 12:18:50 +00:00
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// Poll cdrom status
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// Returns true if cd audio is playing
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2002-04-16 16:11:08 +00:00
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virtual bool poll_cdrom() = 0;
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2002-04-16 12:18:50 +00:00
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// Play cdrom audio track
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2002-04-16 16:11:08 +00:00
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virtual void play_cdrom(int track, int num_loops, int start_frame, int end_frame) = 0;
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2002-04-16 12:18:50 +00:00
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// Stop cdrom audio track
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2002-04-16 16:11:08 +00:00
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virtual void stop_cdrom() = 0;
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2002-04-16 12:18:50 +00:00
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// Update cdrom audio status
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2002-04-16 16:11:08 +00:00
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virtual void update_cdrom() = 0;
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2002-04-16 12:18:50 +00:00
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2002-04-12 21:26:59 +00:00
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// Quit
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virtual void quit() = 0;
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2002-03-21 01:03:27 +00:00
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};
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2002-04-12 21:26:59 +00:00
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/* Factory functions. This means we don't have to include the
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* OSystem_SDL header file. (which in turn would require the SDL headers)
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*/
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/* OSystem_SDL */
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OSystem *OSystem_SDL_create(int gfx_driver, bool full_screen);
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2002-04-13 21:06:48 +00:00
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OSystem *OSystem_NULL_create();
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2002-04-14 19:43:12 +00:00
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OSystem *OSystem_MorphOS_create(int game_id, int gfx_driver, bool full_screen);
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2002-04-12 21:26:59 +00:00
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enum {
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GFX_NORMAL = 0,
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GFX_DOUBLESIZE = 1,
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GFX_TRIPLESIZE = 2,
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GFX_2XSAI = 3,
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GFX_SUPER2XSAI = 4,
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GFX_SUPEREAGLE = 5,
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};
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2002-04-13 18:34:11 +00:00
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/* Graphics drivers */
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enum {
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GD_AUTO = 0,
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GD_SDL = 1,
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GD_WIN32 = 2,
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GD_X = 3,
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2002-04-13 21:06:48 +00:00
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GD_NULL = 4,
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2002-04-16 20:28:56 +00:00
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GD_MORPHOS = 5,
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2002-04-13 18:34:11 +00:00
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};
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