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Zelda64Recomp/patches/sound_patches.c

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#include "patches.h"
#include "overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h"
#include "sound.h"
void AudioSeq_ProcessSeqCmd(u32 cmd);
void AudioThread_QueueCmd(u32 opArgs, void** data);
// Direct audio command (skips the queueing system)
#define SEQCMD_SET_SEQPLAYER_VOLUME_NOW(seqPlayerIndex, duration, volume) \
AudioSeq_ProcessSeqCmd((SEQCMD_OP_SET_SEQPLAYER_VOLUME << 28) | ((u8)(seqPlayerIndex) << 24) | \
((u8)(duration) << 16) | ((u8)((volume)*127.0f)));
bool is_bgm_player(u8 player_index) {
return player_index == SEQ_PLAYER_BGM_MAIN || player_index == SEQ_PLAYER_BGM_SUB;
}
/**
* Update different commands and requests for active sequences
*/
RECOMP_PATCH void AudioSeq_UpdateActiveSequences(void) {
u32 tempoCmd;
u16 tempoPrev;
u16 seqId;
u16 channelMask;
u16 tempoTarget;
u8 setupOp;
u8 targetSeqPlayerIndex;
u8 setupVal2;
u8 setupVal1;
u8 tempoOp;
s32 pad[2];
u32 retMsg;
f32 volume;
u8 tempoTimer;
u8 seqPlayerIndex;
u8 j;
u8 channelIndex;
for (seqPlayerIndex = 0; seqPlayerIndex < SEQ_PLAYER_MAX; seqPlayerIndex++) {
// The seqPlayer has finished initializing and is currently playing the active sequences
if (gActiveSeqs[seqPlayerIndex].isSeqPlayerInit && gAudioCtx.seqPlayers[seqPlayerIndex].enabled) {
gActiveSeqs[seqPlayerIndex].isSeqPlayerInit = false;
}
// The seqPlayer is no longer playing the active sequences
if ((AudioSeq_GetActiveSeqId(seqPlayerIndex) != NA_BGM_DISABLED) &&
!gAudioCtx.seqPlayers[seqPlayerIndex].enabled && (!gActiveSeqs[seqPlayerIndex].isSeqPlayerInit)) {
gActiveSeqs[seqPlayerIndex].seqId = NA_BGM_DISABLED;
}
// Check if the requested sequences is waiting for fonts to load
if (gActiveSeqs[seqPlayerIndex].isWaitingForFonts) {
switch ((s32)AudioThread_GetExternalLoadQueueMsg(&retMsg)) {
case SEQ_PLAYER_BGM_MAIN + 1:
case SEQ_PLAYER_FANFARE + 1:
case SEQ_PLAYER_SFX + 1:
case SEQ_PLAYER_BGM_SUB + 1:
case SEQ_PLAYER_AMBIENCE + 1:
// The fonts have been loaded successfully.
gActiveSeqs[seqPlayerIndex].isWaitingForFonts = false;
// Queue the same command that was stored previously, but without the 0x8000
AudioSeq_ProcessSeqCmd(gActiveSeqs[seqPlayerIndex].startAsyncSeqCmd);
break;
case 0xFF:
// There was an error in loading the fonts
gActiveSeqs[seqPlayerIndex].isWaitingForFonts = false;
break;
}
}
// Update global volume
if (gActiveSeqs[seqPlayerIndex].fadeVolUpdate) {
volume = 1.0f;
for (j = 0; j < VOL_SCALE_INDEX_MAX; j++) {
volume *= (gActiveSeqs[seqPlayerIndex].volScales[j] / 127.0f);
}
SEQCMD_SET_SEQPLAYER_VOLUME((u8)(seqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)),
gActiveSeqs[seqPlayerIndex].volFadeTimer, (u8)(volume * 127.0f));
gActiveSeqs[seqPlayerIndex].fadeVolUpdate = false;
}
if (gActiveSeqs[seqPlayerIndex].volTimer != 0) {
gActiveSeqs[seqPlayerIndex].volTimer--;
if (gActiveSeqs[seqPlayerIndex].volTimer != 0) {
gActiveSeqs[seqPlayerIndex].volCur -= gActiveSeqs[seqPlayerIndex].volStep;
} else {
gActiveSeqs[seqPlayerIndex].volCur = gActiveSeqs[seqPlayerIndex].volTarget;
}
}
// @recomp Send a volume scale command regardless of whether volTimer is active and scale it for background music players.
f32 cur_volume = gActiveSeqs[seqPlayerIndex].volCur;
if (is_bgm_player(seqPlayerIndex)) {
cur_volume *= recomp_get_bgm_volume();
}
AUDIOCMD_SEQPLAYER_FADE_VOLUME_SCALE(seqPlayerIndex, cur_volume);
// Process tempo
if (gActiveSeqs[seqPlayerIndex].tempoCmd != 0) {
tempoCmd = gActiveSeqs[seqPlayerIndex].tempoCmd;
tempoTimer = (tempoCmd & 0xFF0000) >> 15;
tempoTarget = tempoCmd & 0xFFF;
if (tempoTimer == 0) {
tempoTimer++;
}
// Process tempo commands
if (gAudioCtx.seqPlayers[seqPlayerIndex].enabled) {
tempoPrev = gAudioCtx.seqPlayers[seqPlayerIndex].tempo / TATUMS_PER_BEAT;
tempoOp = (tempoCmd & 0xF000) >> 12;
switch (tempoOp) {
case SEQCMD_SUB_OP_TEMPO_SPEED_UP:
// Speed up tempo by `tempoTarget` amount
tempoTarget += tempoPrev;
break;
case SEQCMD_SUB_OP_TEMPO_SLOW_DOWN:
// Slow down tempo by `tempoTarget` amount
if (tempoTarget < tempoPrev) {
tempoTarget = tempoPrev - tempoTarget;
}
break;
case SEQCMD_SUB_OP_TEMPO_SCALE:
// Scale tempo by a multiplicative factor
tempoTarget = tempoPrev * (tempoTarget / 100.0f);
break;
case SEQCMD_SUB_OP_TEMPO_RESET:
// Reset tempo to original tempo
tempoTarget = (gActiveSeqs[seqPlayerIndex].tempoOriginal != 0)
? gActiveSeqs[seqPlayerIndex].tempoOriginal
: tempoPrev;
break;
default: // `SEQCMD_SUB_OP_TEMPO_SET`
// `tempoTarget` is the new tempo
break;
}
if (gActiveSeqs[seqPlayerIndex].tempoOriginal == 0) {
gActiveSeqs[seqPlayerIndex].tempoOriginal = tempoPrev;
}
gActiveSeqs[seqPlayerIndex].tempoTarget = tempoTarget;
gActiveSeqs[seqPlayerIndex].tempoCur = gAudioCtx.seqPlayers[seqPlayerIndex].tempo / 0x30;
gActiveSeqs[seqPlayerIndex].tempoStep =
(gActiveSeqs[seqPlayerIndex].tempoCur - gActiveSeqs[seqPlayerIndex].tempoTarget) / tempoTimer;
gActiveSeqs[seqPlayerIndex].tempoTimer = tempoTimer;
gActiveSeqs[seqPlayerIndex].tempoCmd = 0;
}
}
// Step tempo to target
if (gActiveSeqs[seqPlayerIndex].tempoTimer != 0) {
gActiveSeqs[seqPlayerIndex].tempoTimer--;
if (gActiveSeqs[seqPlayerIndex].tempoTimer != 0) {
gActiveSeqs[seqPlayerIndex].tempoCur -= gActiveSeqs[seqPlayerIndex].tempoStep;
} else {
gActiveSeqs[seqPlayerIndex].tempoCur = gActiveSeqs[seqPlayerIndex].tempoTarget;
}
AUDIOCMD_SEQPLAYER_SET_TEMPO(seqPlayerIndex, gActiveSeqs[seqPlayerIndex].tempoCur);
}
// Update channel volumes
if (gActiveSeqs[seqPlayerIndex].volChannelFlags != 0) {
for (channelIndex = 0; channelIndex < SEQ_NUM_CHANNELS; channelIndex++) {
if (gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volTimer != 0) {
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volTimer--;
if (gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volTimer != 0) {
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volCur -=
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volStep;
} else {
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volCur =
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volTarget;
gActiveSeqs[seqPlayerIndex].volChannelFlags ^= (1 << channelIndex);
}
AUDIOCMD_CHANNEL_SET_VOL_SCALE(seqPlayerIndex, channelIndex,
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].volCur);
}
}
}
// Update frequencies
if (gActiveSeqs[seqPlayerIndex].freqScaleChannelFlags != 0) {
for (channelIndex = 0; channelIndex < SEQ_NUM_CHANNELS; channelIndex++) {
if (gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleTimer != 0) {
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleTimer--;
if (gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleTimer != 0) {
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleCur -=
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleStep;
} else {
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleCur =
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleTarget;
gActiveSeqs[seqPlayerIndex].freqScaleChannelFlags ^= (1 << channelIndex);
}
AUDIOCMD_CHANNEL_SET_FREQ_SCALE(seqPlayerIndex, channelIndex,
gActiveSeqs[seqPlayerIndex].channelData[channelIndex].freqScaleCur);
}
}
}
// Process setup commands
if (gActiveSeqs[seqPlayerIndex].setupCmdNum != 0) {
// If there is a SeqCmd to reset the audio heap queued, then drop all setup commands
if (!AudioSeq_IsSeqCmdNotQueued(SEQCMD_OP_RESET_AUDIO_HEAP << 28, SEQCMD_OP_MASK)) {
gActiveSeqs[seqPlayerIndex].setupCmdNum = 0;
break;
}
// Only process setup commands once the timer reaches zero
if (gActiveSeqs[seqPlayerIndex].setupCmdTimer != 0) {
gActiveSeqs[seqPlayerIndex].setupCmdTimer--;
continue;
}
// Only process setup commands if `seqPlayerIndex` if no longer playing
// i.e. the `seqPlayer` is no longer enabled
if (gAudioCtx.seqPlayers[seqPlayerIndex].enabled) {
continue;
}
for (j = 0; j < gActiveSeqs[seqPlayerIndex].setupCmdNum; j++) {
setupOp = (gActiveSeqs[seqPlayerIndex].setupCmd[j] & 0xF00000) >> 20;
targetSeqPlayerIndex = (gActiveSeqs[seqPlayerIndex].setupCmd[j] & 0xF0000) >> 16;
setupVal2 = (gActiveSeqs[seqPlayerIndex].setupCmd[j] & 0xFF00) >> 8;
setupVal1 = gActiveSeqs[seqPlayerIndex].setupCmd[j] & 0xFF;
switch (setupOp) {
case SEQCMD_SUB_OP_SETUP_RESTORE_SEQPLAYER_VOLUME:
// Restore `targetSeqPlayerIndex` volume back to normal levels
AudioSeq_SetVolumeScale(targetSeqPlayerIndex, VOL_SCALE_INDEX_FANFARE, 0x7F, setupVal1);
break;
case SEQCMD_SUB_OP_SETUP_RESTORE_SEQPLAYER_VOLUME_IF_QUEUED:
// Restore `targetSeqPlayerIndex` volume back to normal levels,
// but only if the number of sequence queue requests from `sSeqRequests`
// exactly matches the argument to the command
if (setupVal1 == sNumSeqRequests[seqPlayerIndex]) {
AudioSeq_SetVolumeScale(targetSeqPlayerIndex, VOL_SCALE_INDEX_FANFARE, 0x7F, setupVal2);
}
break;
case SEQCMD_SUB_OP_SETUP_SEQ_UNQUEUE:
// Unqueue `seqPlayerIndex` from sSeqRequests
//! @bug this command does not work as intended as unqueueing
//! the sequence relies on `gActiveSeqs[seqPlayerIndex].seqId`
//! However, `gActiveSeqs[seqPlayerIndex].seqId` is reset before the sequence on
//! `seqPlayerIndex` is requested to stop, i.e. before the sequence is disabled and setup
//! commands (including this command) can run. A simple fix would have been to unqueue based on
//! `gActiveSeqs[seqPlayerIndex].prevSeqId` instead
SEQCMD_UNQUEUE_SEQUENCE((u8)(seqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)), 0,
gActiveSeqs[seqPlayerIndex].seqId);
break;
case SEQCMD_SUB_OP_SETUP_RESTART_SEQ:
// Restart the currently active sequence on `targetSeqPlayerIndex` with full volume.
// Sequence on `targetSeqPlayerIndex` must still be active to play (can be muted)
SEQCMD_PLAY_SEQUENCE((u8)(targetSeqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)), 1,
gActiveSeqs[targetSeqPlayerIndex].seqId);
gActiveSeqs[targetSeqPlayerIndex].fadeVolUpdate = true;
gActiveSeqs[targetSeqPlayerIndex].volScales[1] = 0x7F;
break;
case SEQCMD_SUB_OP_SETUP_TEMPO_SCALE:
// Scale tempo by a multiplicative factor
SEQCMD_SCALE_TEMPO((u8)(targetSeqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)), setupVal2,
setupVal1);
break;
case SEQCMD_SUB_OP_SETUP_TEMPO_RESET:
// Reset tempo to previous tempo
SEQCMD_RESET_TEMPO((u8)(targetSeqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)), setupVal1);
break;
case SEQCMD_SUB_OP_SETUP_PLAY_SEQ:
// Play the requested sequence
// Uses the fade timer set by `SEQCMD_SUB_OP_SETUP_SET_FADE_TIMER`
seqId = gActiveSeqs[seqPlayerIndex].setupCmd[j] & 0xFFFF;
SEQCMD_PLAY_SEQUENCE((u8)(targetSeqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)),
gActiveSeqs[targetSeqPlayerIndex].setupFadeTimer, seqId);
AudioSeq_SetVolumeScale(targetSeqPlayerIndex, VOL_SCALE_INDEX_FANFARE, 0x7F, 0);
gActiveSeqs[targetSeqPlayerIndex].setupFadeTimer = 0;
break;
case SEQCMD_SUB_OP_SETUP_SET_FADE_TIMER:
// A command specifically to support `SEQCMD_SUB_OP_SETUP_PLAY_SEQ`
// Sets the fade timer for the sequence requested in `SEQCMD_SUB_OP_SETUP_PLAY_SEQ`
gActiveSeqs[seqPlayerIndex].setupFadeTimer = setupVal2;
break;
case SEQCMD_SUB_OP_SETUP_RESTORE_SEQPLAYER_VOLUME_WITH_SCALE_INDEX:
// Restore the volume back to default levels
// Allows a `scaleIndex` to be specified.
AudioSeq_SetVolumeScale(targetSeqPlayerIndex, setupVal2, 0x7F, setupVal1);
break;
case SEQCMD_SUB_OP_SETUP_POP_PERSISTENT_CACHE:
// Discard audio data by popping one more audio caches from the audio heap
if (setupVal1 & (1 << SEQUENCE_TABLE)) {
AUDIOCMD_GLOBAL_POP_PERSISTENT_CACHE(SEQUENCE_TABLE);
}
if (setupVal1 & (1 << FONT_TABLE)) {
AUDIOCMD_GLOBAL_POP_PERSISTENT_CACHE(FONT_TABLE);
}
if (setupVal1 & (1 << SAMPLE_TABLE)) {
AUDIOCMD_GLOBAL_POP_PERSISTENT_CACHE(SAMPLE_TABLE);
}
break;
case SEQCMD_SUB_OP_SETUP_SET_CHANNEL_DISABLE_MASK:
// Disable (or reenable) specific channels of `targetSeqPlayerIndex`
channelMask = gActiveSeqs[seqPlayerIndex].setupCmd[j] & 0xFFFF;
SEQCMD_SET_CHANNEL_DISABLE_MASK((u8)(targetSeqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)),
channelMask);
break;
case SEQCMD_SUB_OP_SETUP_SET_SEQPLAYER_FREQ:
// Scale all channels of `targetSeqPlayerIndex`
SEQCMD_SET_SEQPLAYER_FREQ((u8)(targetSeqPlayerIndex + (SEQCMD_ASYNC_ACTIVE >> 24)), setupVal2,
setupVal1 * 10);
break;
default:
break;
}
}
gActiveSeqs[seqPlayerIndex].setupCmdNum = 0;
}
}
}
// @recomp Patched to add the ability to turn off low health beeps.
RECOMP_PATCH void LifeMeter_UpdateSizeAndBeep(PlayState* play) {
InterfaceContext* interfaceCtx = &play->interfaceCtx;
if (interfaceCtx->lifeSizeChangeDirection != 0) {
interfaceCtx->lifeSizeChange--;
if (interfaceCtx->lifeSizeChange <= 0) {
interfaceCtx->lifeSizeChange = 0;
interfaceCtx->lifeSizeChangeDirection = 0;
// @recomp Additional check for whether low health beeps are enabled.
if (recomp_get_low_health_beeps_enabled() && !Player_InCsMode(play) && (play->pauseCtx.state == PAUSE_STATE_OFF) &&
(play->pauseCtx.debugEditor == DEBUG_EDITOR_NONE) && LifeMeter_IsCritical() && !Play_InCsMode(play)) {
Audio_PlaySfx(NA_SE_SY_HITPOINT_ALARM);
}
}
} else {
interfaceCtx->lifeSizeChange++;
if ((s32)interfaceCtx->lifeSizeChange >= 10) {
interfaceCtx->lifeSizeChange = 10;
interfaceCtx->lifeSizeChangeDirection = 1;
}
}
}
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