Shipwright/soh/src/code/z_sound_source.c

63 lines
2.0 KiB
C
Raw Normal View History

#include "global.h"
void SoundSource_InitAll(GlobalContext* globalCtx) {
SoundSource* sources = &globalCtx->soundSources[0];
s32 i;
// clang-format off
for (i = 0; i < ARRAY_COUNT(globalCtx->soundSources); i++) { sources[i].countdown = 0; }
// clang-format on
}
void SoundSource_UpdateAll(GlobalContext* globalCtx) {
SoundSource* source = &globalCtx->soundSources[0];
s32 i;
for (i = 0; i < ARRAY_COUNT(globalCtx->soundSources); i++) {
if (source->countdown != 0) {
if (DECR(source->countdown) == 0) {
Audio_StopSfxByPos(&source->projectedPos);
} else {
SkinMatrix_Vec3fMtxFMultXYZ(&globalCtx->viewProjectionMtxF, &source->worldPos, &source->projectedPos);
}
}
source++;
}
}
void SoundSource_PlaySfxAtFixedWorldPos(GlobalContext* globalCtx, Vec3f* worldPos, s32 duration, u16 sfxId) {
s32 countdown;
SoundSource* source;
s32 smallestCountdown = 0xFFFF;
SoundSource* backupSource;
s32 i;
source = &globalCtx->soundSources[0];
for (i = 0; i < ARRAY_COUNT(globalCtx->soundSources); i++) {
if (source->countdown == 0) {
break;
}
// Store the sound source with the smallest remaining countdown
countdown = source->countdown;
if (countdown < smallestCountdown) {
smallestCountdown = countdown;
backupSource = source;
}
source++;
}
// If no sound source is available, replace the sound source with the smallest remaining countdown
if (i >= ARRAY_COUNT(globalCtx->soundSources)) {
source = backupSource;
Audio_StopSfxByPos(&source->projectedPos);
}
source->worldPos = *worldPos;
source->countdown = duration;
SkinMatrix_Vec3fMtxFMultXYZ(&globalCtx->viewProjectionMtxF, &source->worldPos, &source->projectedPos);
Audio_PlaySoundGeneral(sfxId, &source->projectedPos, 4, &D_801333E0, &D_801333E0, &D_801333E8);
}