mirror of https://github.com/OpenTTD/OpenTTD.git
48 lines
987 B
C
48 lines
987 B
C
/* $Id$ */
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/** @file hal.h Hardware Abstraction Layer declarations */
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#ifndef HAL_H
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#define HAL_H
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struct HalCommonDriver {
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const char *(*start)(const char * const *parm);
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void (*stop)();
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};
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struct HalVideoDriver {
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const char *(*start)(const char * const *parm);
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void (*stop)();
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void (*make_dirty)(int left, int top, int width, int height);
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void (*main_loop)();
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bool (*change_resolution)(int w, int h);
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void (*toggle_fullscreen)(bool fullscreen);
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};
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struct HalSoundDriver {
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const char *(*start)(const char * const *parm);
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void (*stop)();
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};
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struct HalMusicDriver {
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const char *(*start)(const char * const *parm);
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void (*stop)();
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void (*play_song)(const char *filename);
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void (*stop_song)();
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bool (*is_song_playing)();
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void (*set_volume)(byte vol);
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};
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extern HalMusicDriver *_music_driver;
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extern HalSoundDriver *_sound_driver;
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extern HalVideoDriver *_video_driver;
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enum DriverType {
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VIDEO_DRIVER = 0,
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SOUND_DRIVER = 1,
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MUSIC_DRIVER = 2,
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};
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#endif /* HAL_H */
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