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alSynAllocVoice

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This commit is contained in:
Mittenshugg
2020-08-06 00:12:16 -05:00
parent b2f070da80
commit 696c691298
2 changed files with 109 additions and 24 deletions
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lib/asm/non_matchings/unknown_0C9C90/alSynAddPlayer.s
-22
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@@ -1,22 +0,0 @@
glabel alSynAddPlayer
/* 0C9FD0 800C93D0 27BDFFE8 */ addiu $sp, $sp, -0x18
/* 0C9FD4 800C93D4 AFBF0014 */ sw $ra, 0x14($sp)
/* 0C9FD8 800C93D8 00803025 */ move $a2, $a0
/* 0C9FDC 800C93DC AFA60018 */ sw $a2, 0x18($sp)
/* 0C9FE0 800C93E0 24040001 */ li $a0, 1
/* 0C9FE4 800C93E4 0C03268C */ jal osSetIntMask
/* 0C9FE8 800C93E8 AFA5001C */ sw $a1, 0x1c($sp)
/* 0C9FEC 800C93EC 8FA60018 */ lw $a2, 0x18($sp)
/* 0C9FF0 800C93F0 8FA5001C */ lw $a1, 0x1c($sp)
/* 0C9FF4 800C93F4 00402025 */ move $a0, $v0
/* 0C9FF8 800C93F8 8CCE0020 */ lw $t6, 0x20($a2)
/* 0C9FFC 800C93FC ACAE0010 */ sw $t6, 0x10($a1)
/* 0CA000 800C9400 8CCF0000 */ lw $t7, ($a2)
/* 0CA004 800C9404 ACAF0000 */ sw $t7, ($a1)
/* 0CA008 800C9408 0C03268C */ jal osSetIntMask
/* 0CA00C 800C940C ACC50000 */ sw $a1, ($a2)
/* 0CA010 800C9410 8FBF0014 */ lw $ra, 0x14($sp)
/* 0CA014 800C9414 27BD0018 */ addiu $sp, $sp, 0x18
/* 0CA018 800C9418 03E00008 */ jr $ra
/* 0CA01C 800C941C 00000000 */ nop
lib/src/unknown_0C9C90.c
+109 -2
View File
@@ -157,7 +157,6 @@ void alEvtqNew(ALEventQueue *evtq, ALEventListItem *items, s32 itemCount){
}
}
//GLOBAL_ASM("lib/asm/non_matchings/unknown_0C9C90/alSynAddPlayer.s")
void alSynAddPlayer(ALSynth *drvr, ALPlayer *client)
{
OSIntMask mask = osSetIntMask(OS_IM_NONE);
@@ -169,5 +168,113 @@ void alSynAddPlayer(ALSynth *drvr, ALPlayer *client)
osSetIntMask(mask);
}
#if 1
GLOBAL_ASM("lib/asm/non_matchings/unknown_0C9C90/_allocatePVoice.s")
GLOBAL_ASM("lib/asm/non_matchings/unknown_0C9C90/alSynAllocVoice.s")
#else
s32 _allocatePVoice(ALSynth *drvr, PVoice **pvoice, s16 priority)
{
ALLink *dl;
PVoice *pv;
s32 stolen = 0;
if ((dl = drvr->pLameList.next) != 0) { /* check the lame list first */
*pvoice = (PVoice *) dl;
alUnlink(dl);
alLink(dl, &drvr->pAllocList);
} else if ((dl = drvr->pFreeList.next) != 0) { /* from the free list */
*pvoice = (PVoice *) dl;
alUnlink(dl);
alLink(dl, &drvr->pAllocList);
} else { /* steal one */
for (dl = drvr->pAllocList.next; dl != 0; dl = dl->next) {
pv = (PVoice *)dl;
/*
* if it is lower priority and not already stolen, keep it
* as a candidate for stealing
*/
if ((pv->vvoice->priority <= priority) && (pv->offset == 0)) {
*pvoice = pv;
priority = pv->vvoice->priority;
stolen = 1;
}
}
}
return stolen;
}
#endif
//GLOBAL_ASM("lib/asm/non_matchings/unknown_0C9C90/alSynAllocVoice.s")
s32 alSynAllocVoice(ALSynth *drvr, ALVoice *voice, ALVoiceConfig *vc)
{
PVoice *pvoice = 0;
ALFilter *f;
ALParam *update;
s32 stolen;
#ifdef _DEBUG
/* need two updates if voice is stolen */
if (drvr->paramList == 0) {
__osError(ERR_ALSYN_NO_UPDATE, 0);
return 0;
} else if (drvr->paramList->next == 0) {
__osError(ERR_ALSYN_NO_UPDATE, 0);
return 0;
}
#endif
voice->priority = vc->priority;
voice->unityPitch = vc->unityPitch;
voice->table = 0;
voice->fxBus = vc->fxBus;
voice->state = AL_STOPPED;
voice->pvoice = 0;
stolen = _allocatePVoice(drvr, &pvoice, vc->priority);
if (pvoice) { /* if we were able to allocate a voice */
f = pvoice->channelKnob;
if (stolen) {
pvoice->offset = 512;
pvoice->vvoice->pvoice = 0; /* zero stolen voice */
/*
* ramp down stolen voice
*/
update = __allocParam();
update->delta = drvr->paramSamples;
update->type = AL_FILTER_SET_VOLUME;
update->data.i = 0;
update->moredata.i = pvoice->offset - 64;
(*f->setParam)(f, AL_FILTER_ADD_UPDATE, update);
/*
* stop stolen voice
*/
update = __allocParam();
if (update) {
update->delta = drvr->paramSamples + pvoice->offset;
update->type = AL_FILTER_STOP_VOICE;
update->next = 0;
(*f->setParam)(f, AL_FILTER_ADD_UPDATE, update);
} else {
#ifdef _DEBUG
__osError(ERR_ALSYN_NO_UPDATE, 0);
#endif
}
} else {
pvoice->offset = 0;
}
pvoice->vvoice = voice; /* assign new voice */
voice->pvoice = pvoice;
}
return (pvoice != 0);
}