183 lines
5.2 KiB
C++
183 lines
5.2 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Include file for sound hardware.
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*
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*/
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#pragma once
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#include <SDL_version.h>
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#include <type_traits>
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#include "pstypes.h"
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#ifdef __cplusplus
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#include "dxxsconf.h"
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#include "dsx-ns.h"
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#include "fwd-object.h"
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#include "fwd-segment.h"
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#include <utility>
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#ifdef dsx
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namespace dcx {
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enum class sound_pan : int;
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struct sound_object;
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extern int digi_volume;
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enum class sound_stack : uint8_t
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{
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allow_stacking,
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cancel_previous,
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};
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}
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namespace dsx {
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struct digi_sound
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{
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int freq;
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int length;
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uint8_t * data;
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};
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extern int digi_init();
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extern void digi_close();
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// Volume is max at F1_0.
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extern void digi_play_sample( int sndnum, fix max_volume );
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extern void digi_play_sample_once( int sndnum, fix max_volume );
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#if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
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void digi_link_sound_to_object(unsigned soundnum, vcobjptridx_t objnum, uint8_t forever, fix max_volume, sound_stack once);
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void digi_kill_sound_linked_to_segment(vmsegidx_t segnum, sidenum_t sidenum, int soundnum);
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void digi_link_sound_to_pos(unsigned soundnum, vcsegptridx_t segnum, sidenum_t sidenum, const vms_vector &pos, int forever, fix max_volume);
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// Same as above, but you pass the max distance sound can be heard. The old way uses f1_0*256 for max_distance.
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void digi_link_sound_to_object2(unsigned soundnum, vcobjptridx_t objnum, uint8_t forever, fix max_volume, sound_stack once, vm_distance max_distance);
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void digi_link_sound_to_object3(unsigned soundnum, vcobjptridx_t objnum, uint8_t forever, fix max_volume, sound_stack once, vm_distance max_distance, int loop_start, int loop_end);
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void digi_kill_sound_linked_to_object(vcobjptridx_t);
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#endif
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void digi_play_sample_3d(int soundno, sound_pan angle, int volume); // Volume from 0-0x7fff
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extern void digi_init_sounds();
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extern void digi_sync_sounds();
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extern void digi_set_digi_volume( int dvolume );
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extern void digi_pause_digi_sounds();
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extern void digi_resume_digi_sounds();
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extern int digi_xlat_sound(int soundno);
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extern void digi_stop_sound( int channel );
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// Volume 0-F1_0
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constexpr sound_object *sound_object_none = nullptr;
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int digi_start_sound(short soundnum, fix volume, sound_pan pan, int looping, int loop_start, int loop_end, sound_object *);
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// Stops all sounds that are playing
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void digi_stop_all_channels();
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void digi_stop_digi_sounds();
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extern void digi_end_sound( int channel );
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void digi_set_channel_pan(int channel, sound_pan pan);
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extern void digi_set_channel_volume( int channel, int volume );
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extern int digi_is_channel_playing(int channel);
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extern void digi_play_sample_looping( int soundno, fix max_volume,int loop_start, int loop_end );
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extern void digi_change_looping_volume( fix volume );
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extern void digi_stop_looping_sound();
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// Plays a queued voice sound.
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extern void digi_start_sound_queued( short soundnum, fix volume );
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// Following declarations are for the runtime switching system
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#define SAMPLE_RATE_11K 11025
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#define SAMPLE_RATE_22K 22050
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#define SAMPLE_RATE_44K 44100
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#define SDLMIXER_SYSTEM 1
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#define SDLAUDIO_SYSTEM 2
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#define MUSIC_TYPE_NONE 0
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#define MUSIC_TYPE_BUILTIN 1
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#if DXX_USE_SDL_REDBOOK_AUDIO
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#define MUSIC_TYPE_REDBOOK 2
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#endif
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#define MUSIC_TYPE_CUSTOM 3
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#define SOUND_MAX_VOLUME F1_0 / 2
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#if defined(DXX_BUILD_DESCENT_I)
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extern int digi_sample_rate;
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#endif
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extern int Dont_start_sound_objects;
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extern int SoundQ_channel;
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void digi_select_system();
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#ifdef _WIN32
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// Windows native-MIDI stuff.
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void digi_win32_set_midi_volume( int mvolume );
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int digi_win32_play_midi_song(const char * filename, int loop );
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void digi_win32_pause_midi_song();
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void digi_win32_resume_midi_song();
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void digi_win32_stop_midi_song();
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#endif
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void digi_end_soundobj(sound_object &);
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void SoundQ_end();
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#ifndef NDEBUG
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int verify_sound_channel_free( int channel );
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#endif
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}
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namespace dsx {
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class RAIIdigi_sound
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{
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static constexpr auto invalid_channel = std::integral_constant<int, -1>{};
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int channel = invalid_channel;
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static void stop(int channel)
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{
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if (channel != invalid_channel)
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digi_stop_sound(channel);
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}
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public:
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~RAIIdigi_sound()
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{
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stop(channel);
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}
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void reset(int c = invalid_channel)
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{
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stop(std::exchange(channel, c));
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}
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operator int() const = delete;
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explicit operator bool() const
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{
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return channel != invalid_channel;
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}
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};
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}
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#endif
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#endif
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