139 lines
2.3 KiB
C
139 lines
2.3 KiB
C
//
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// Copyright (c) 2017 The Altra64 project contributors
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// See LICENSE file in the project root for full license information.
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//
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#if !defined(SOUND_ENABLED)
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void sndInit(void)
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{
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}
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void sndPlayBGM(char* filename)
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{
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}
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void sndStopAll(void)
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{
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}
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void sndPlaySFX(char* filename)
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{
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}
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void sndUpdate(void)
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{
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}
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#else
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#include <mikmod.h>
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#include <libdragon.h> //needed for audio_get_frequency()
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#include "hashtable.h"
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MODULE *moduleBGM = NULL;
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/* sound effects */
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hashtable* samples = NULL;
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/* voices */
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SBYTE voiceSFX;
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void sndInit(void)
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{
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samples = hashtable_create();
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/* register all the drivers */
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MikMod_RegisterAllDrivers();
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MikMod_RegisterAllLoaders();
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/* initialize the library */
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md_mode = 0;
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md_mode |= DMODE_16BITS;
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md_mode |= DMODE_SOFT_MUSIC;
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md_mode |= DMODE_SOFT_SNDFX;
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md_mode |= DMODE_INTERP;
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md_mixfreq = audio_get_frequency();
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MikMod_Init("");
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/* reserve 2 voices for sound effects */
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MikMod_SetNumVoices(-1, 2);
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/* get ready to play */
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MikMod_EnableOutput();
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}
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void sndPlayBGM(char* filename)
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{
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if (Player_Active())
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{
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Player_Stop();
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}
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Player_Free(moduleBGM);
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moduleBGM = NULL;
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moduleBGM = Player_Load(filename, 64, 0);
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if (moduleBGM)
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{
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Player_Start(moduleBGM);
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Player_SetVolume(20);
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}
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}
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void sndStopAll(void)
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{
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Voice_Stop(voiceSFX);
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Player_Stop();
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MikMod_DisableOutput();
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int index = 0;
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while (index < samples->capacity) {
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Sample_Free(samples->body[index].value);
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index = index + 1;
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}
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hashtable_destroy(samples);
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Player_Free(moduleBGM);
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moduleBGM = NULL;
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samples = hashtable_create();
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//MikMod_Exit(); //I dont think we should ever exit as that would mean reinitialising?!
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}
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void sndPlaySFX(char* filename)
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{
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if (!Voice_Stopped(voiceSFX))
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{
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Voice_Stop(voiceSFX);
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}
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if (hashtable_get(samples, filename) == NULL)
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{
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hashtable_set(samples, filename, Sample_Load(filename));
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}
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//audio_write_silence();
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Voice_SetVolume(voiceSFX, 200);
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voiceSFX = Sample_Play(hashtable_get(samples, filename), 0, 0);
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MikMod_Update(); //force an update so that the voice is registered as playing!
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}
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void sndUpdate(void)
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{
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if (!Voice_Stopped(voiceSFX) || Player_Active())
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{
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MikMod_Update();
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}
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}
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#endif
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