REDRIVER2/src_rebuild/GAME/C/SOUND.C
2020-04-27 10:36:34 +06:00

2460 lines
45 KiB
C

#include "THISDUST.H"
#include "SOUND.H"
#include "LIBSPU.H"
#include "LIBETC.H"
#include "LIBGTE.H"
#include "GTEREG.H"
#include "CAMERA.H"
#include "XMPLAY.H"
#include "MISSION.H"
#include "GLAUNCH.H"
#include "GAMESND.H"
#include <string.h>
#include <stdlib.h>
long dummylong[4] = { 0, 0, 0, 0 };
long bankaddr[2] = { 0 };
long banksize[2] = { 88064, 412672 };
char banks[24] = { 0 };
SAMPLE_DATA samples[7][35];
int VABID = -1;
unsigned long channel_lookup[16]; // offset 0xDD3D8
CHANNEL_DATA channels[16]; // offset 0xDE480
int master_volume = 0; // why need two?
int gMasterVolume = 0;
int gMusicVolume = 0;
// decompiled code
// original method signature:
// void /*$ra*/ InitSound()
// line 114, offset 0x000790e4
/* begin block 1 */
// Start line: 116
// Start offset: 0x000790E4
// Variables:
// int ct; // $s0
/* end block 1 */
// End offset: 0x000791D4
// End Line: 161
/* begin block 2 */
// Start line: 228
/* end block 2 */
// End Line: 229
/* begin block 3 */
// Start line: 229
/* end block 3 */
// End Line: 230
/* begin block 4 */
// Start line: 231
/* end block 4 */
// End Line: 232
/* WARNING: Unknown calling convention yet parameter storage is locked */
// [D]
void InitSound(void)
{
int i;
SpuInit();
SpuInitMalloc(7, banks);
SpuSetMute(1);
AllocateReverb(3, 16384);
i = 1;
do {
bankaddr[i] = SpuMalloc(banksize[i]);
if (bankaddr[i] == -1)
{
eprintf("Failed to SpuMalloc! Exiting...\n");
exit(-1);
}
i--;
} while (-1 < i);
i = 0;
do {
channel_lookup[i++] = 1 << (i & 0x1f);
} while (i < 16);
ResetSound();
XM_OnceOffInit(1);
SetMasterVolume(gMasterVolume);
VSyncCallback(VsyncProc);
SpuSetMute(0);
}
// decompiled code
// original method signature:
// void /*$ra*/ ClearChannelFields(int channel /*$a0*/)
// line 163, offset 0x000791d4
/* begin block 1 */
// Start line: 331
/* end block 1 */
// End Line: 332
/* begin block 2 */
// Start line: 334
/* end block 2 */
// End Line: 335
/* begin block 3 */
// Start line: 335
/* end block 3 */
// End Line: 336
// [D]
void ClearChannelFields(int channel)
{
channels[channel].loop = '\0';
channels[channel].locked = '\0';
channels[channel].time = 0;
channels[channel].samplerate = 0;
channels[channel].srcvolume = -10000;
channels[channel].srcpitch = 0x1000;
channels[channel].volumeScale = 0x1000;
channels[channel].dopplerScale = 0x1000;
channels[channel].srcposition = NULL;
channels[channel].position.vx = 0;
channels[channel].position.vy = 0;
channels[channel].position.vz = 0;
channels[channel].srcvelocity = dummylong;
channels[channel].player = 0;
}
// decompiled code
// original method signature:
// void /*$ra*/ ResetSound()
// line 187, offset 0x00079250
/* begin block 1 */
// Start line: 189
// Start offset: 0x00079250
// Variables:
// int ct; // $s0
/* end block 1 */
// End offset: 0x00079330
// End Line: 222
/* begin block 2 */
// Start line: 393
/* end block 2 */
// End Line: 394
/* begin block 3 */
// Start line: 394
/* end block 3 */
// End Line: 395
/* begin block 4 */
// Start line: 401
/* end block 4 */
// End Line: 402
/* WARNING: Unknown calling convention yet parameter storage is locked */
int gSoundMode = 1; // mono or stereo
int stop_sound_handler = 0;
int sound_paused = 0;
int music_paused = 0;
SpuCommonAttr sound_attr;
// [D]
void ResetSound(void)
{
int channel;
CHANNEL_DATA *chan;
ulong *puVar3;
stop_sound_handler = 1;
sound_paused = 0;
music_paused = 0;
sound_attr.mvol.left = 0x3fff;
sound_attr.mvol.right = 0x3fff;
sound_attr.mask = 3;
SpuSetCommonAttr(&sound_attr);
chan = channels;
channel = 0;
do {
memset(chan, 0, sizeof(CHANNEL_DATA));
chan->attr.volmode.left = 0;
chan->attr.volmode.right = 0;
chan->attr.voice = channel_lookup[channel];
ClearChannelFields(channel);
chan++;
channel++;
} while (channel < 16);
channel = 0;
do {
SpuSetVoiceRR(channel, 6);
SpuSetVoiceAR(channel, 35);
channel = channel + 1;
} while (channel < 16);
stop_sound_handler = 0;
}
// decompiled code
// original method signature:
// void /*$ra*/ SetReverbState(int on /*$a0*/)
// line 233, offset 0x0007a6c0
/* begin block 1 */
// Start line: 1777
/* end block 1 */
// End Line: 1778
/* begin block 2 */
// Start line: 466
/* end block 2 */
// End Line: 467
/* begin block 3 */
// Start line: 1778
/* end block 3 */
// End Line: 1779
void SetReverbState(int on)
{
if (on == 0) {
SpuSetReverbVoice(0, 0xffffff);
}
else {
SpuSetReverbVoice(1, 0xffffff);
}
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ SetReverbInGameState(int on /*$a0*/)
// line 253, offset 0x0007a704
/* begin block 1 */
// Start line: 254
// Start offset: 0x0007A704
// Variables:
// long cl; // $a1
/* end block 1 */
// End offset: 0x0007A75C
// End Line: 264
/* begin block 2 */
// Start line: 1817
/* end block 2 */
// End Line: 1818
/* begin block 3 */
// Start line: 1820
/* end block 3 */
// End Line: 1821
void SetReverbInGameState(int on)
{
UNIMPLEMENTED();
/*
uint uVar1;
uVar1 = 0xffff;
gSpeechQueue.reverb = (char)on;
if ((on != 0) && (gSpeechQueue.is_playing != '\0')) {
uVar1 = ~(1 << ((uint)(byte)gSpeechQueue.chan & 0x1f)) & 0xffff;
}
SpuSetReverbVoice(on, uVar1);
return;
*/
}
// decompiled code
// original method signature:
// int /*$ra*/ SetReverbChannelState(int ch /*$a0*/, int on /*$s0*/)
// line 274, offset 0x0007a75c
/* begin block 1 */
// Start line: 275
// Start offset: 0x0007A75C
// Variables:
// long cl; // $s1
// int prev; // $s2
/* end block 1 */
// End offset: 0x0007A7B0
// End Line: 281
/* begin block 2 */
// Start line: 1849
/* end block 2 */
// End Line: 1850
/* begin block 3 */
// Start line: 1860
/* end block 3 */
// End Line: 1861
int SetReverbChannelState(int ch, int on)
{
UNIMPLEMENTED();
return 0;
/*
uint uVar1;
uint uVar2;
uVar2 = 1 << (ch & 0x1fU);
uVar1 = SpuGetReverbVoice();
SpuSetReverbVoice(on, uVar2);
return (uint)((uVar1 & uVar2) != 0);*/
}
// decompiled code
// original method signature:
// void SetMasterVolume(int vol /*$a0*/)
// line 288, offset 0x0007a7b0
/* begin block 1 */
// Start line: 1882
/* end block 1 */
// End Line: 1883
/* begin block 2 */
// Start line: 1890
/* end block 2 */
// End Line: 1891
/* begin block 3 */
// Start line: 1891
/* end block 3 */
// End Line: 1892
// [D]
void SetMasterVolume(int vol)
{
int puVar1;
int puVar2;
int puVar3;
puVar2 = 10000 + vol;
puVar3 = puVar2;
if (puVar2 < 0)
puVar3 = 0;
puVar1 = puVar3 / 2;
if (10000 < (int)puVar2)
{
puVar3 = 10000;
puVar1 = 5000;
}
master_volume = puVar3 + puVar1 + (puVar3 / 8) + (puVar3 / 128);
gMasterVolume = vol;
}
// decompiled code
// original method signature:
// char /*$ra*/ SetPlayerOwnsChannel(int chan /*$a0*/, char player /*$a1*/)
// line 307, offset 0x0007aba8
/* begin block 1 */
// Start line: 308
// Start offset: 0x0007ABA8
/* end block 1 */
// End offset: 0x0007ABCC
// End Line: 312
/* begin block 2 */
// Start line: 614
/* end block 2 */
// End Line: 615
/* begin block 3 */
// Start line: 3016
/* end block 3 */
// End Line: 3017
// [D]
char SetPlayerOwnsChannel(int chan, char player)
{
char oldPlayer;
oldPlayer = channels[chan].player;
channels[chan].player = player;
return oldPlayer;
}
// decompiled code
// original method signature:
// int /*$ra*/ StartSound(int channel /*$a0*/, int bank /*$s1*/, int sample /*$s2*/, int volume /*$s0*/, int pitch /*stack 16*/)
// line 323, offset 0x0007a7f8
/* begin block 1 */
// Start line: 1960
/* end block 1 */
// End Line: 1961
/* begin block 2 */
// Start line: 1961
/* end block 2 */
// End Line: 1962
// [D]
int StartSound(int channel, int bank, int sample, int volume, int pitch)
{
int iVar1;
if (channel < 0)
channel = GetFreeChannel();
if (channel < 0x10)
{
channels[channel].srcposition = (VECTOR *)0x0;
channels[channel].srcvolume = volume;
iVar1 = CompleteSoundSetup(channel, bank, sample, pitch, 0);
}
else
iVar1 = -1;
return iVar1;
}
// decompiled code
// original method signature:
// int /*$ra*/ Start3DTrackingSound(int channel /*$s1*/, int bank /*$s0*/, int sample /*$s3*/, struct VECTOR *position /*$s2*/, long *velocity /*stack 16*/)
// line 342, offset 0x0007a994
/* begin block 1 */
// Start line: 684
/* end block 1 */
// End Line: 685
// [D]
int Start3DTrackingSound(int channel, int bank, int sample, VECTOR *position, long *velocity)
{
int channel_00;
if (channel < 0)
channel = GetFreeChannel();
if (channel < 16)
{
channels[channel].srcposition = position;
channels[channel].srcvelocity = velocity;
channels[channel].srcpitch = 0x1000;
channels[channel].srcvolume = 0;
channel_00 = CompleteSoundSetup(channel, bank, sample, 0x1000, 0);
ComputeDoppler(&channels[channel_00]);
SetChannelPitch(channel_00, 0x1000);
}
else
channel_00 = -1;
return channel_00;
}
// decompiled code
// original method signature:
// int /*$ra*/ Start3DSoundVolPitch(int channel /*$s1*/, int bank /*$s0*/, int sample /*$s4*/, int x /*$s3*/, int y /*stack 16*/, int z /*stack 20*/, int volume /*stack 24*/, int pitch /*stack 28*/)
// line 357, offset 0x0007a894
/* begin block 1 */
// Start line: 2034
/* end block 1 */
// End Line: 2035
// [D]
int Start3DSoundVolPitch(int channel, int bank, int sample, int x, int y, int z, int volume, int pitch)
{
if (channel < 0)
channel = GetFreeChannel();
if (channel < 0x10)
{
channels[channel].srcposition = &channels[channel].position;
channels[channel].position.vx = x;
channels[channel].position.vy = y;
channels[channel].position.vz = z;
channels[channel].srcvolume = volume;
channels[channel].srcpitch = pitch;
channel = CompleteSoundSetup(channel, bank, sample, pitch, 0);
ComputeDoppler(&channels[channel]);
SetChannelPitch(channel, pitch);
}
else
channel = -1;
return channel;
}
// decompiled code
// original method signature:
// int /*$ra*/ CompleteSoundSetup(int channel /*$s2*/, int bank /*$s0*/, int sample /*$s5*/, int pitch /*$s1*/, int proximity /*stack 16*/)
// line 399, offset 0x00079330
/* begin block 1 */
// Start line: 400
// Start offset: 0x00079330
// Variables:
// long bpf; // $a1
// long rate; // $a1
/* end block 1 */
// End offset: 0x00079504
// End Line: 443
/* begin block 2 */
// Start line: 669
/* end block 2 */
// End Line: 670
/* begin block 3 */
// Start line: 847
/* end block 3 */
// End Line: 848
// [D]
int CompleteSoundSetup(int channel, int bank, int sample, int pitch, int proximity)
{
int iVar3;
uint uVar4;
int rate;
uint uVar6;
ushort uVar7;
rate = samples[bank][sample].samplerate * pitch;
iVar3 = rate / 44100;
uVar7 = iVar3;
if (16383 < iVar3)
uVar7 = 16383;
uVar4 = (rate / 4096) / 50;
if (uVar4 == 0)
{
channel = -1;
}
else
{
uVar6 = samples[bank][sample].length;
if (uVar4 == 0)
trap(7);
if (gSoundMode == 1)
UpdateVolumeAttributesS(channel, proximity);
else
UpdateVolumeAttributesM(channel);
stop_sound_handler = 1;
channels[channel].attr.mask = 0x9f;
channels[channel].attr.addr = samples[bank][sample].address;
channels[channel].attr.pitch = uVar7;
channels[channel].time = (uVar6 / uVar4) * 2 + 2;
channels[channel].loop = samples[bank][sample].loop;
channels[channel].samplerate = samples[bank][sample].samplerate;
if (sound_paused != 0)
{
channels[channel].attr.volume.left = 0;
channels[channel].attr.volume.right = 0;
}
SpuSetVoiceAttr(&channels[channel].attr);
SpuSetKey(1, channels[channel].attr.voice);
stop_sound_handler = 0;
}
return channel;
}
// decompiled code
// original method signature:
// void /*$ra*/ SetChannelPitch(int channel /*$a0*/, int pitch /*$a1*/)
// line 450, offset 0x00079504
/* begin block 1 */
// Start line: 451
// Start offset: 0x00079504
// Variables:
// long rate; // $a0
/* end block 1 */
// End offset: 0x000795B4
// End Line: 470
/* begin block 2 */
// Start line: 963
/* end block 2 */
// End Line: 964
/* begin block 3 */
// Start line: 971
/* end block 3 */
// End Line: 972
/* begin block 4 */
// Start line: 973
/* end block 4 */
// End Line: 974
// [D]
void SetChannelPitch(int channel, int pitch)
{
long rate;
if (channel < 16 && sound_paused == 0)
{
if (channels[channel].time != 0 && 0x80 < pitch)
{
channels[channel].srcpitch = pitch;
rate = (channels[channel].samplerate * ((channels[channel].dopplerScale * pitch) / 4096)) / 44100;
if (16383 < rate)
rate = 16383;
channels[channel].attr.mask = 0x10;
channels[channel].attr.pitch = rate;
SpuSetVoiceAttr(&channels[channel].attr);
}
}
}
// decompiled code
// original method signature:
// void /*$ra*/ SetChannelVolume(int channel /*$s0*/, int volume /*$t1*/, int proximity /*$a2*/)
// line 477, offset 0x0007aa78
/* begin block 1 */
// Start line: 478
// Start offset: 0x0007AA78
/* end block 1 */
// End offset: 0x0007AB24
// End Line: 495
/* begin block 2 */
// Start line: 2333
/* end block 2 */
// End Line: 2334
// [D]
void SetChannelVolume(int channel, int volume, int proximity)
{
if (channel < 16 && sound_paused == 0 && channels[channel].time != 0)
{
channels[channel].srcvolume = volume;
if (gSoundMode == 1)
UpdateVolumeAttributesS(channel, proximity);
else
UpdateVolumeAttributesM(channel);
channels[channel].attr.mask = 0xf;
SpuSetVoiceAttr(&channels[channel].attr);
}
}
// decompiled code
// original method signature:
// void /*$ra*/ ComputeDoppler(struct CHANNEL_DATA *ch /*$s1*/)
// line 501, offset 0x000795c4
/* begin block 1 */
// Start line: 502
// Start offset: 0x000795C4
// Variables:
// int dist; // $s0
// int seperationrate; // $v0
// struct _PLAYER *pl; // $s0
/* end block 1 */
// End offset: 0x00079720
// End Line: 527
/* begin block 2 */
// Start line: 1078
/* end block 2 */
// End Line: 1079
// D
void ComputeDoppler(CHANNEL_DATA *ch)
{
int iVar1;
long lVar2;
long lVar3;
int iVar4;
VECTOR *srcPos;
int iVar6;
int iVar7;
long *srcVel;
srcPos = ch->srcposition;
if (srcPos == NULL)
{
ch->dopplerScale = 0x1000;
}
else
{
iVar1 = ch->player;
iVar4 = srcPos->vx - player[ch->player].cameraPos.vx;
iVar7 = srcPos->vy + player[ch->player].cameraPos.vy;
iVar6 = srcPos->vz - player[ch->player].cameraPos.vz;
lVar2 = jsqrt(iVar4 * iVar4 + iVar7 * iVar7 + iVar6 * iVar6);
srcPos = ch->srcposition;
srcVel = ch->srcvelocity;
iVar6 = (srcPos->vx - player[ch->player].cameraPos.vx) + (srcVel[0] - player[ch->player].camera_vel[0]) / 4096;
iVar4 = (srcPos->vy + player[ch->player].cameraPos.vy) + (srcVel[1] - player[ch->player].camera_vel[1]) / 4096;
iVar1 = (srcPos->vz - player[ch->player].cameraPos.vz) + (srcVel[2] - player[ch->player].camera_vel[2]) / 4096;
lVar3 = jsqrt(iVar6 * iVar6 + iVar4 * iVar4 + iVar1 * iVar1);
iVar1 = (lVar3 - lVar2) * -3 + 0x1000;
ch->dopplerScale = iVar1;
ch->cameradist = lVar2;
if (iVar1 * 0x10000 < 0)
ch->dopplerScale = 0;
}
}
// decompiled code
// original method signature:
// void /*$ra*/ SetChannelPosition3(int channel /*$s1*/, struct VECTOR *position /*$a0*/, long *velocity /*$t0*/, int volume /*$t2*/, int pitch /*stack 16*/, int proximity /*stack 20*/)
// line 588, offset 0x0007abcc
/* begin block 1 */
// Start line: 589
// Start offset: 0x0007ABCC
/* end block 1 */
// End offset: 0x0007ACC0
// End Line: 612
/* begin block 2 */
// Start line: 3300
/* end block 2 */
// End Line: 3301
/* begin block 3 */
// Start line: 3577
/* end block 3 */
// End Line: 3578
// [D]
void SetChannelPosition3(int channel, VECTOR *position, long *velocity, int volume, int pitch, int proximity)
{
if (camera_change != 1 && old_camera_change != 1 && channel < 16 && sound_paused == 0)
{
if (velocity == NULL)
velocity = dummylong;
channels[channel].srcposition = position;
channels[channel].srcvelocity = velocity;
channels[channel].srcvolume = volume;
if (gSoundMode == 1)
UpdateVolumeAttributesS(channel, proximity);
else
UpdateVolumeAttributesM(channel);
channels[channel].attr.mask = 0xf;
SpuSetVoiceAttr(&channels[channel].attr);
ComputeDoppler(&channels[channel]);
SetChannelPitch(channel, pitch);
}
}
// decompiled code
// original method signature:
// void /*$ra*/ PauseXM()
// line 635, offset 0x00079734
/* begin block 1 */
// Start line: 636
// Start offset: 0x00079734
// Variables:
// int fade; // $v1
/* end block 1 */
// End offset: 0x00079794
// End Line: 655
/* begin block 2 */
// Start line: 1356
/* end block 2 */
// End Line: 1357
/* begin block 3 */
// Start line: 1358
/* end block 3 */
// End Line: 1359
/* WARNING: Unknown calling convention yet parameter storage is locked */
void PauseXM(void)
{
UNIMPLEMENTED();
/*
bool bVar1;
int iVar2;
if (music_paused == 0) {
musps.max = 0;
iVar2 = 0x60;
do {
bVar1 = iVar2 < 0;
iVar2 = iVar2 + 0x60;
} while (bVar1);
XM_Pause(Song_ID);
music_paused = 1;
}
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ PauseSFX()
// line 657, offset 0x00079794
/* begin block 1 */
// Start line: 658
// Start offset: 0x00079794
// Variables:
// int i; // $s1
// int fade; // $s3
/* end block 1 */
// End offset: 0x00079958
// End Line: 681
/* begin block 2 */
// Start line: 1399
/* end block 2 */
// End Line: 1400
/* begin block 3 */
// Start line: 1402
/* end block 3 */
// End Line: 1403
/* begin block 4 */
// Start line: 1404
/* end block 4 */
// End Line: 1405
/* WARNING: Unknown calling convention yet parameter storage is locked */
void PauseSFX(void)
{
UNIMPLEMENTED();
/*
ushort uVar1;
bool bVar2;
short sVar3;
short sVar4;
ushort *puVar5;
__pauseinfo *p_Var6;
int iVar7;
int iVar8;
if (sound_paused == 0) {
pause.max = 0;
iVar7 = 0;
iVar8 = 0xdd488;
puVar5 = pause.voll;
do {
SpuGetVoiceVolume(iVar7, puVar5, iVar8);
if (puVar5[0x10] < *puVar5) {
uVar1 = *puVar5;
}
else {
uVar1 = puVar5[0x10];
}
if (pause.max < uVar1) {
pause.max = puVar5[0x10];
if (puVar5[0x10] < *puVar5) {
pause.max = *puVar5;
}
}
iVar8 = iVar8 + 2;
puVar5 = puVar5 + 1;
iVar7 = iVar7 + 1;
pause.lev = (short)gMasterVolume + 10000;
} while (iVar7 < 0x10);
iVar7 = 0x60;
do {
iVar8 = 0;
puVar5 = pause.volr;
do {
sVar4 = (short)((uint)puVar5[-0x10] - iVar7);
if ((int)((uint)puVar5[-0x10] - iVar7) < 0) {
sVar4 = 0;
}
sVar3 = (short)((uint)*puVar5 - iVar7);
if ((int)((uint)*puVar5 - iVar7) < 0) {
sVar3 = 0;
}
SpuSetVoiceVolume(iVar8, (int)sVar4, (int)sVar3);
iVar8 = iVar8 + 1;
puVar5 = puVar5 + 1;
} while (iVar8 < 0x10);
bVar2 = iVar7 < (int)(uint)pause.max;
iVar7 = iVar7 + 0x60;
} while (bVar2);
iVar7 = 0;
p_Var6 = &pause;
do {
SpuGetVoicePitch(iVar7, p_Var6);
SpuSetVoicePitch(iVar7, 0);
iVar7 = iVar7 + 1;
p_Var6 = (__pauseinfo *)(p_Var6->pitch + 1);
} while (iVar7 < 0x10);
sound_paused = 1;
}
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ PauseSound()
// line 683, offset 0x0007acd8
/* begin block 1 */
// Start line: 3774
/* end block 1 */
// End Line: 3775
/* WARNING: Unknown calling convention yet parameter storage is locked */
void PauseSound(void)
{
UNIMPLEMENTED();
/*
SetReverbInGameState(0);
PauseXM();
PauseSFX();
PauseXA();
return;*/
}
// decompiled code
// original method signature:
// void /*$ra*/ UnPauseXM()
// line 698, offset 0x00079958
/* begin block 1 */
// Start line: 699
// Start offset: 0x00079958
// Variables:
// int fade; // $a1
/* end block 1 */
// End offset: 0x000799B0
// End Line: 717
/* begin block 2 */
// Start line: 1479
/* end block 2 */
// End Line: 1480
/* begin block 3 */
// Start line: 1497
/* end block 3 */
// End Line: 1498
/* begin block 4 */
// Start line: 1499
/* end block 4 */
// End Line: 1500
/* WARNING: Unknown calling convention yet parameter storage is locked */
void UnPauseXM(void)
{
UNIMPLEMENTED();
/*
bool bVar1;
int iVar2;
if (music_paused != 0) {
iVar2 = 0x60;
do {
bVar1 = iVar2 < (int)(uint)musps.max;
iVar2 = iVar2 + 0x60;
} while (bVar1);
XM_Restart(Song_ID);
music_paused = 0;
}
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ UnPauseSFX()
// line 720, offset 0x000799b0
/* begin block 1 */
// Start line: 721
// Start offset: 0x000799B0
// Variables:
// int i; // $s1
// int fade; // $s2
/* end block 1 */
// End offset: 0x00079B38
// End Line: 742
/* begin block 2 */
// Start line: 1539
/* end block 2 */
// End Line: 1540
/* begin block 3 */
// Start line: 1543
/* end block 3 */
// End Line: 1544
/* begin block 4 */
// Start line: 1545
/* end block 4 */
// End Line: 1546
/* WARNING: Unknown calling convention yet parameter storage is locked */
void UnPauseSFX(void)
{
UNIMPLEMENTED();
/*
bool bVar1;
undefined *puVar2;
ushort uVar3;
ushort *puVar4;
ushort uVar5;
__pauseinfo *p_Var6;
int iVar7;
int iVar8;
if (sound_paused != 0) {
p_Var6 = &pause;
iVar8 = 0;
do {
puVar4 = p_Var6->pitch;
p_Var6 = (__pauseinfo *)(p_Var6->pitch + 1);
iVar7 = iVar8 + 1;
SpuSetVoicePitch(iVar8, (uint)*puVar4);
iVar8 = iVar7;
} while (iVar7 < 0x10);
if ((pause.lev != 0) &&
(puVar2 = &DAT_00002710 + gMasterVolume, (undefined *)(uint)pause.lev != puVar2)) {
puVar4 = pause.volr;
iVar8 = 0xf;
do {
if (pause.lev == 0) {
trap(7);
}
puVar4[-0x10] = (ushort)((int)((uint)puVar4[-0x10] * (int)puVar2) / (int)(uint)pause.lev);
if (pause.lev == 0) {
trap(7);
}
*puVar4 = (ushort)((int)((uint)*puVar4 * (int)puVar2) / (int)(uint)pause.lev);
iVar8 = iVar8 + -1;
puVar4 = puVar4 + 1;
} while (-1 < iVar8);
}
iVar8 = 0x60;
do {
iVar7 = 0;
puVar4 = pause.volr;
do {
uVar3 = puVar4[-0x10];
if (iVar8 < (int)(uint)puVar4[-0x10]) {
uVar3 = (ushort)iVar8;
}
uVar5 = *puVar4;
if (iVar8 < (int)(uint)*puVar4) {
uVar5 = (ushort)iVar8;
}
SpuSetVoiceVolume(iVar7, (int)(short)uVar3, (int)(short)uVar5);
iVar7 = iVar7 + 1;
puVar4 = puVar4 + 1;
} while (iVar7 < 0x10);
bVar1 = iVar8 < (int)(uint)pause.max;
iVar8 = iVar8 + 0x60;
} while (bVar1);
sound_paused = 0;
}
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ UnPauseSound()
// line 744, offset 0x0007ad10
/* begin block 1 */
// Start line: 745
// Start offset: 0x0007AD10
/* end block 1 */
// End offset: 0x0007AD40
// End Line: 753
/* begin block 2 */
// Start line: 3896
/* end block 2 */
// End Line: 3897
/* begin block 3 */
// Start line: 3900
/* end block 3 */
// End Line: 3901
/* WARNING: Unknown calling convention yet parameter storage is locked */
void UnPauseSound(void)
{
UNIMPLEMENTED();
/*
UnPauseXM();
UnPauseSFX();
ResumeXA();
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ StopChannel(int channel /*$s2*/)
// line 760, offset 0x0007ad40
/* begin block 1 */
// Start line: 761
// Start offset: 0x0007AD40
/* begin block 1.1 */
// Start line: 763
// Start offset: 0x0007AD64
// Variables:
// unsigned char l; // $s3
// int vsync; // $s0
/* end block 1.1 */
// End offset: 0x0007ADD8
// End Line: 771
/* end block 1 */
// End offset: 0x0007ADF4
// End Line: 773
/* begin block 2 */
// Start line: 3920
/* end block 2 */
// End Line: 3921
/* begin block 3 */
// Start line: 3928
/* end block 3 */
// End Line: 3929
// [D]
void StopChannel(int channel)
{
unsigned char uVar1;
int iVar2;
uint uVar3;
int iVar4;
if (channel < 16)
{
uVar1 = channels[channel].locked;
iVar2 = VSync(-1);
SpuSetKey(0, channels[channel].attr.voice);
do {
uVar3 = SpuGetKeyStatus(channels[channel].attr.voice);
if ((uVar3 & 0xff) == 0)
break;
iVar4 = VSync(-1);
} while (iVar4 - iVar2 < 8);
ClearChannelFields(channel);
channels[channel].locked = uVar1;
}
}
// decompiled code
// original method signature:
// void /*$ra*/ StopAllChannels()
// line 780, offset 0x0007adf4
/* begin block 1 */
// Start line: 782
// Start offset: 0x0007ADF4
// Variables:
// int ct; // $s0
/* end block 1 */
// End offset: 0x0007AE34
// End Line: 790
/* begin block 2 */
// Start line: 3962
/* end block 2 */
// End Line: 3963
/* begin block 3 */
// Start line: 3970
/* end block 3 */
// End Line: 3971
/* begin block 4 */
// Start line: 3971
/* end block 4 */
// End Line: 3972
/* begin block 5 */
// Start line: 3973
/* end block 5 */
// End Line: 3974
/* WARNING: Unknown calling convention yet parameter storage is locked */
// [D]
void StopAllChannels(void)
{
int channel;
channel = 0;
do {
StopChannel(channel);
VSync(0);
channel = channel + 1;
} while (channel < 0x10);
}
// decompiled code
// original method signature:
// void /*$ra*/ LockChannel(int channel /*$a0*/)
// line 797, offset 0x0007ae34
/* begin block 1 */
// Start line: 3999
/* end block 1 */
// End Line: 4000
/* begin block 2 */
// Start line: 4007
/* end block 2 */
// End Line: 4008
/* begin block 3 */
// Start line: 4008
/* end block 3 */
// End Line: 4009
// [D]
void LockChannel(int channel)
{
if (channel < 16)
channels[channel].locked = 1;
}
// decompiled code
// original method signature:
// void /*$ra*/ UnlockChannel(int c /*$a0*/)
// line 811, offset 0x0007ae64
/* begin block 1 */
// Start line: 4035
/* end block 1 */
// End Line: 4036
// [D]
void UnlockChannel(int c)
{
if (c < 16)
channels[c].locked = 0;
}
// decompiled code
// original method signature:
// void /*$ra*/ SoundHandler()
// line 822, offset 0x00079b38
/* begin block 1 */
// Start line: 824
// Start offset: 0x00079B38
// Variables:
// int ct; // $a0
// long off; // $a1
/* end block 1 */
// End offset: 0x00079BBC
// End Line: 838
/* begin block 2 */
// Start line: 1674
/* end block 2 */
// End Line: 1675
/* begin block 3 */
// Start line: 1755
/* end block 3 */
// End Line: 1756
/* begin block 4 */
// Start line: 1756
/* end block 4 */
// End Line: 1757
/* begin block 5 */
// Start line: 1759
/* end block 5 */
// End Line: 1760
/* WARNING: Unknown calling convention yet parameter storage is locked */
// [D]
void SoundHandler(void)
{
ushort uVar1;
CHANNEL_DATA *pCVar2;
uint uVar3;
ulong voice_bit;
voice_bit = 0;
if ((stop_sound_handler == 0) && (sound_paused == 0))
{
uVar3 = 0;
pCVar2 = channels;
do {
uVar1 = pCVar2->time;
if (pCVar2->loop == '\0' && (uVar1 != 0))
{
pCVar2->time = uVar1 - 1;
if (uVar1 == 1) {
voice_bit = voice_bit | 1 << (uVar3 & 0x1f);
}
}
uVar3 = uVar3 + 1;
pCVar2 = pCVar2 + 1;
} while ((int)uVar3 < 16);
if (voice_bit != 0)
{
SpuSetKey(0, voice_bit);
}
}
}
// decompiled code
// original method signature:
// int /*$ra*/ LoadSoundBank(char *address /*$s3*/, int length /*$s2*/, int bank /*$s1*/)
// line 845, offset 0x0007ae90
/* begin block 1 */
// Start line: 846
// Start offset: 0x0007AE90
// Variables:
// int num_samples; // $s4
// int slength; // $s2
// int spuaddress; // $s1
// int ct; // $v1
/* end block 1 */
// End offset: 0x0007AF84
// End Line: 876
/* begin block 2 */
// Start line: 4103
/* end block 2 */
// End Line: 4104
// [D]
int LoadSoundBank(char *address, int length, int bank)
{
SAMPLE_DATA *dest;
int slength;
int spuaddress;
int num_samples;
dest = samples[bank];
num_samples = *(int *)address;
memcpy(dest, address + 4, num_samples * sizeof(SAMPLE_DATA));
slength = num_samples * sizeof(SAMPLE_DATA) + 4;
spuaddress = bankaddr[bank];
SpuSetTransferMode(0);
SpuSetTransferStartAddr(spuaddress);
SpuWrite((unsigned char*)address + slength, length - slength);
SpuIsTransferCompleted(1);
int ct = num_samples;
if (0 < num_samples)
{
do {
ct--;
dest->address += spuaddress;
dest++;;
} while (ct != 0);
}
return num_samples;
}
// decompiled code
// original method signature:
// void /*$ra*/ UpdateXMSamples(int num_samps /*$s2*/)
// line 882, offset 0x0007b1c4
/* begin block 1 */
// Start line: 883
// Start offset: 0x0007B1C4
// Variables:
// int i; // $s0
/* end block 1 */
// End offset: 0x0007B228
// End Line: 888
/* begin block 2 */
// Start line: 1764
/* end block 2 */
// End Line: 1765
/* begin block 3 */
// Start line: 4724
/* end block 3 */
// End Line: 4725
void UpdateXMSamples(int num_samps)
{
UNIMPLEMENTED();
/*
ulong *puVar1;
int slot;
int iVar2;
SAMPLE_DATA *pSVar3;
if (0 < num_samps) {
pSVar3 = samples;
slot = 0;
do {
puVar1 = &pSVar3->address;
pSVar3 = pSVar3 + 1;
iVar2 = slot + 1;
XM_SetVAGAddress(VABID, slot, *puVar1);
slot = iVar2;
} while (iVar2 < num_samps);
}
return;
*/
}
// decompiled code
// original method signature:
// int /*$ra*/ LoadSoundBankDynamic(char *address /*$s2*/, int length /*$s6*/, int dbank /*$a2*/)
// line 904, offset 0x00079bcc
/* begin block 1 */
// Start line: 905
// Start offset: 0x00079BCC
// Variables:
// static struct __LSBDinfo tabs; // offset 0x0
// int i; // $a3
// int num_samples; // $s1
// int slength; // $s0
/* end block 1 */
// End offset: 0x00079E04
// End Line: 977
/* begin block 2 */
// Start line: 1926
/* end block 2 */
// End Line: 1927
// [D]
int LoadSoundBankDynamic(char *address, int length, int dbank)
{
static __LSBDinfo lsbTabs;
int iVar1;
int *piVar2;
ulong uVar3;
int iVar4;
int iVar5;
int iVar6;
if (address == NULL)
{
switch (length) {
case 0:
if (dbank == 0) {
lsbTabs.append = 0;
}
iVar5 = 0;
break;
case 1:
lsbTabs.memtop = lsbTabs.addr;
iVar5 = lsbTabs.addr;
break;
case 2:
lsbTabs.addr = lsbTabs.memtop;
iVar5 = lsbTabs.memtop;
break;
case 3:
lsbTabs.bnktop[dbank] = lsbTabs.count[dbank];
iVar5 = lsbTabs.count[dbank];
break;
case 4:
lsbTabs.count[dbank] = lsbTabs.bnktop[dbank];
iVar5 = lsbTabs.bnktop[dbank];
break;
default:
goto switchD_00079c20_caseD_5;
}
}
else
{
switchD_00079c20_caseD_5:
if (lsbTabs.append == 0)
{
iVar5 = 6;
piVar2 = lsbTabs.count + 6;
lsbTabs.addr = bankaddr[1];
do {
*piVar2 = 0;
iVar5 = iVar5 + -1;
piVar2 = piVar2 + -1;
} while (-1 < iVar5);
lsbTabs.append = 1;
}
piVar2 = lsbTabs.count + dbank;
iVar5 = *(int *)address;
memcpy(&samples[dbank][*piVar2], address + 4, iVar5 * sizeof(SAMPLE_DATA));
iVar6 = iVar5 * sizeof(SAMPLE_DATA) + 4;
length = length - iVar6;
SpuSetTransferMode(SPU_TRANSFER_BY_DMA);
SpuSetTransferStartAddr(lsbTabs.addr);
SpuWrite((unsigned char*)address + iVar6, length);
SpuIsTransferCompleted(SPU_TRANSFER_WAIT);
iVar6 = iVar5;
if (0 < iVar5) {
do {
iVar1 = lsbTabs.addr;
iVar6 = iVar6 + -1;
iVar4 = *piVar2;
uVar3 = samples[dbank][iVar4].address;
*piVar2 = iVar4 + 1;
samples[dbank][iVar4].address = uVar3 + iVar1;
} while (iVar6 != 0);
}
lsbTabs.addr = lsbTabs.addr + length;
}
return iVar5;
}
// decompiled code
// original method signature:
// void /*$ra*/ FreeXM()
// line 993, offset 0x0007af84
/* begin block 1 */
// Start line: 4304
/* end block 1 */
// End Line: 4305
/* begin block 2 */
// Start line: 4422
/* end block 2 */
// End Line: 4423
/* begin block 3 */
// Start line: 4424
/* end block 3 */
// End Line: 4425
/* WARNING: Unknown calling convention yet parameter storage is locked */
void FreeXM(void)
{
UNIMPLEMENTED();
/*
if (Song_ID != -1) {
XM_Exit();
XM_FreeAllSongIDs();
XM_CloseVAB2(VABID);
Song_ID = -1;
VABID = -1;
}
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ StartXM(int reverb /*$s2*/)
// line 1012, offset 0x0007afd0
/* begin block 1 */
// Start line: 1013
// Start offset: 0x0007AFD0
// Variables:
// int ct; // $s0
/* end block 1 */
// End offset: 0x0007B050
// End Line: 1028
/* begin block 2 */
// Start line: 4460
/* end block 2 */
// End Line: 4461
void StartXM(int reverb)
{
UNIMPLEMENTED();
/*
uint uVar1;
uVar1 = 0x10;
XM_PlayStart(Song_ID, -1);
SpuSetReverb(1);
do {
if (reverb == 0) {
SpuSetReverbVoice(0, 1 << (uVar1 & 0x1f));
}
else {
SpuSetReverbVoice(1, 1 << (uVar1 & 0x1f));
}
uVar1 = uVar1 + 1;
} while ((int)uVar1 < 0x18);
return;
*/
}
// decompiled code
// original method signature:
// void /*$ra*/ StopXM()
// line 1035, offset 0x0007b050
/* begin block 1 */
// Start line: 4514
/* end block 1 */
// End Line: 4515
/* begin block 2 */
// Start line: 4522
/* end block 2 */
// End Line: 4523
/* begin block 3 */
// Start line: 4524
/* end block 3 */
// End Line: 4525
/* WARNING: Unknown calling convention yet parameter storage is locked */
void StopXM(void)
{
UNIMPLEMENTED();
//XM_PlayStop(Song_ID);
return;
}
// decompiled code
// original method signature:
// void /*$ra*/ SetXMVolume(int volume /*$a0*/)
// line 1073, offset 0x0007b074
/* begin block 1 */
// Start line: 1074
// Start offset: 0x0007B074
// Variables:
// int vol; // $a1
/* end block 1 */
// End offset: 0x0007B0C4
// End Line: 1085
/* begin block 2 */
// Start line: 4598
/* end block 2 */
// End Line: 4599
/* begin block 3 */
// Start line: 4602
/* end block 3 */
// End Line: 4603
void SetXMVolume(int volume)
{
UNIMPLEMENTED();
/*
undefined *puVar1;
puVar1 = &DAT_00002710 + volume;
if ((int)puVar1 < 0) {
puVar1 = (undefined *)0x0;
}
if (10000 < (int)puVar1) {
puVar1 = &DAT_00002710;
}
gMusicVolume = volume;
XM_SetMasterVol(Song_ID, (char)((int)puVar1 >> 7) + (char)((uint)puVar1 >> 8));
return;
*/
}
// decompiled code
// original method signature:
// int /*$ra*/ GetFreeChannel()
// line 1124, offset 0x00079e04
/* begin block 1 */
// Start line: 1125
// Start offset: 0x00079E04
// Variables:
// int ct; // $a0
// int least; // $s1
// int il; // $s0
// char status[24]; // stack offset -40
/* end block 1 */
// End offset: 0x00079F38
// End Line: 1156
/* begin block 2 */
// Start line: 2232
/* end block 2 */
// End Line: 2233
/* begin block 3 */
// Start line: 2380
/* end block 3 */
// End Line: 2381
/* WARNING: Unknown calling convention yet parameter storage is locked */
// [D]
int GetFreeChannel(void)
{
int channel;
int iVar1;
unsigned char *puVar2;
CHANNEL_DATA *pCVar3;
ushort uVar4;
char status[24];
//sizeof(CHANNEL_DATA); == 120 so
uVar4 = 0;
SpuGetAllKeysStatus(status);
channel = 0;
puVar2 = &channels[0].locked;
while ((*puVar2 != '\0' || (status[channel] != '\0')))
{
channel = channel + 1;
puVar2 = puVar2 + 0x78;
if (0xf < channel)
{
channel = 0;
puVar2 = &channels[0].locked;
while ((*puVar2 != '\0' || (status[channel] != '\x03')))
{
channel = channel + 1;
puVar2 = puVar2 + 0x78;
if (0xf < channel)
{
channel = -1;
iVar1 = 0;
pCVar3 = channels;
do {
if ((pCVar3->locked == '\0') && (pCVar3->loop == '\0'))
{
if ((channel == -1) || (pCVar3->time < uVar4)) {
channel = iVar1;
uVar4 = pCVar3->time;
}
}
iVar1 = iVar1 + 1;
pCVar3 = pCVar3 + 1;
} while (iVar1 < 0x10);
if (channel != -1)
StopChannel(channel);
return channel;
}
}
return channel;
}
}
return channel;
}
// decompiled code
// original method signature:
// void /*$ra*/ UpdateVolumeAttributesS(int channel /*$s2*/, int proximity /*$s5*/)
// line 1163, offset 0x00079f38
/* begin block 1 */
// Start line: 1164
// Start offset: 0x00079F38
// Variables:
// int volume; // $s1
// int vol; // $a2
// long ang; // $s0
// long dist; // $s6
// int player_id; // $a3
// struct VECTOR *pos; // $s3
// struct VECTOR *cam_pos; // $s4
// int cam_ang; // $fp
// long damp; // $v1
/* begin block 1.1 */
// Start line: 1215
// Start offset: 0x0007A1B4
/* end block 1.1 */
// End offset: 0x0007A200
// End Line: 1217
/* end block 1 */
// End offset: 0x0007A330
// End Line: 1230
/* begin block 2 */
// Start line: 2464
/* end block 2 */
// End Line: 2465
/* begin block 3 */
// Start line: 2472
/* end block 3 */
// End Line: 2473
int gSurround = 0;
void UpdateVolumeAttributesS(int channel, int proximity)
{
bool bVar1;
int local_v0_204;
long lVar2;
int iVar3;
short sVar4;
int local_a2_160;
int local_a2_184;
int iVar5;
int iVar6;
int iVar7;
VECTOR *pVVar8;
VECTOR *pVVar9;
long unaff_s6;
int iVar10;
local_a2_160 = CalculateVolume(channel);
iVar5 = gSurround;
iVar6 = channels[channel].player;
pVVar8 = channels[channel].srcposition;
pVVar9 = &player[iVar6].cameraPos;
iVar10 = player[iVar6].snd_cam_ang;
if (camera_change == 1 || (local_a2_160 = (0x2710 + local_a2_160), old_camera_change == 1))
local_a2_160 = 0;
local_a2_184 = local_a2_160;
if (local_a2_160 < 0)
{
local_a2_184 = 0;
}
local_v0_204 = local_a2_184 / 2;
if (10000 < local_a2_160)
{
local_a2_184 = 0x2710;
local_v0_204 = 0x1388;
}
iVar7 = ((local_v0_204 + local_a2_184 + local_a2_184 / 8 + local_a2_184 / 128) * master_volume) / 16384;
sVar4 = iVar7;
channels[channel].attr.volume.left = sVar4;
if (iVar5 != 0) {
sVar4 = -sVar4;
}
channels[channel].attr.volume.right = sVar4;
if (iVar7 == 0)
return;
if (pVVar8 == NULL)
return;
iVar5 = player[iVar6].cameraPos.vz;
if ((pVVar8->vz == iVar5) && (pVVar9->vx == pVVar8->vx))
return;
if (player[iVar6].cameraView == 2)
{
if (channel == player[iVar6].skidding.chan)
return;
if (channel == player[iVar6].wheelnoise.chan)
return;
if (iVar6 == 0)
{
if (channel == 0)
return;
iVar3 = 1;
if (channel == player[iVar6].cameraView)
return;
}
else
{
if (iVar6 != 1)
goto LAB_0007a128;
if (channel == 3)
return;
iVar3 = 4;
if (channel == 5)
return;
}
if (channel == iVar3)
return;
}
LAB_0007a128:
lVar2 = ratan2(pVVar8->vz - iVar5, pVVar9->vx - pVVar8->vx);
iVar3 = -lVar2 + 0x1c00;
iVar5 = iVar3;
if (iVar3 < 0)
iVar5 = -lVar2 + 0x2bff;
iVar10 = (iVar3 + (iVar5 / 4096) * -4096) - (iVar10 + -4096);
iVar5 = iVar10;
if (iVar10 < 0)
iVar5 = iVar10 + 0xfff;
iVar10 = 0x800 - (iVar10 + (iVar5 / 4096) * -4096);
iVar5 = iVar10;
if (iVar10 < 0)
iVar5 = -iVar10;
if ((0x3ff < iVar5) && (bVar1 = iVar10 < 1, iVar10 = 2048 - iVar5, bVar1)) {
iVar10 = -iVar10;
}
if ((proximity != 0) &&
(iVar5 = player[iVar6].cameraPos.vz - pVVar8->vz, iVar6 = pVVar9->vx - pVVar8->vx,
unaff_s6 = jsqrt(iVar5 * iVar5 + iVar6 * iVar6), 11999 < unaff_s6))
{
proximity = 0;
}
if (iVar10 < 1)
{
if (iVar10 < 0)
{
iVar5 = ((iVar7 * 9) / 10) * -iVar10;
//if (iVar5 < 0)
// iVar5 = iVar5 + 0x3ff;
iVar5 = iVar5 / 1024;
if (proximity != 0)
iVar5 = (iVar5 * unaff_s6) / 12000;
sVar4 = (iVar7 - iVar5);
if (iVar7 - iVar5 < 0)
sVar4 = 0;
if (gSurround != 0)
sVar4 = -sVar4;
channels[channel].attr.volume.right = sVar4;
}
}
else
{
iVar10 = ((iVar7 * 9) / 10) * iVar10;
//if (iVar10 < 0)
// iVar10 = iVar10 + 0x3ff;
iVar10 = iVar10 / 1024;
if (proximity != 0)
iVar10 = (iVar10 * unaff_s6) / 12000;
sVar4 = (iVar7 - iVar10);
if (iVar7 - iVar10 < 0)
sVar4 = 0;
channels[channel].attr.volume.left = sVar4;
}
}
// decompiled code
// original method signature:
// void /*$ra*/ UpdateVolumeAttributesM(int channel /*$s0*/)
// line 1232, offset 0x0007b0c4
/* begin block 1 */
// Start line: 1233
// Start offset: 0x0007B0C4
// Variables:
// int volume; // $a1
// int vol; // $a0
/* end block 1 */
// End offset: 0x0007B178
// End Line: 1249
/* begin block 2 */
// Start line: 4797
/* end block 2 */
// End Line: 4798
/* begin block 3 */
// Start line: 4916
/* end block 3 */
// End Line: 4917
// [D]
void UpdateVolumeAttributesM(int channel)
{
int iVar1;
int puVar2;
int puVar3;
int puVar4;
short sVar5;
iVar1 = CalculateVolume(channel);
if ((camera_change == 1) || (puVar3 = 10000 + iVar1, old_camera_change == 1))
puVar3 = 0;
puVar4 = puVar3;
if ((int)puVar3 < 0)
puVar4 = 0;
puVar2 = puVar4 / 2;
if (10000 < puVar3)
{
puVar4 = 10000;
puVar2 = 5000;
}
sVar5 = ((puVar4 + puVar2 + (puVar4 / 8) + (puVar4 / 128)) * master_volume) / 16384;
channels[channel].attr.volume.left = sVar5;
channels[channel].attr.volume.right = sVar5;
}
// decompiled code
// original method signature:
// int /*$ra*/ CalculateVolume(int channel /*$a2*/)
// line 1257, offset 0x0007a360
/* begin block 1 */
// Start line: 1258
// Start offset: 0x0007A360
// Variables:
// int volume; // $s0
// struct VECTOR *pp; // $a3
/* begin block 1.1 */
// Start line: 1266
// Start offset: 0x0007A3F4
// Variables:
// int distance; // $v1
/* begin block 1.1.1 */
// Start line: 1271
// Start offset: 0x0007A3F4
// Variables:
// struct VECTOR ofse; // stack offset -24
/* end block 1.1.1 */
// End offset: 0x0007A3F4
// End Line: 1274
/* begin block 1.1.2 */
// Start line: 1286
// Start offset: 0x0007A4AC
// Variables:
// int fade; // $a0
/* end block 1.1.2 */
// End offset: 0x0007A504
// End Line: 1291
/* end block 1.1 */
// End offset: 0x0007A520
// End Line: 1293
/* end block 1 */
// End offset: 0x0007A534
// End Line: 1295
/* begin block 2 */
// Start line: 2673
/* end block 2 */
// End Line: 2674
// [D]
int CalculateVolume(int channel)
{
int iVar1;
int iVar2;
VECTOR *pVVar3;
int puVar4;
int iVar5;
puVar4 = 10000 + channels[channel].srcvolume;
if ((1 < NumPlayers) && (NoPlayerControl == 0))
{
iVar1 = (int)puVar4 * 3;
puVar4 = (iVar1 / 4);
if (iVar1 < 0) {
puVar4 = (iVar1 + 3) / 4;
}
}
pVVar3 = channels[channel].srcposition;
if (pVVar3 != NULL) // [A]
{
iVar1 = channels[channel].player;
IR1 = (pVVar3->vx - player[iVar1].cameraPos.vx);
IR2 = (pVVar3->vy + player[iVar1].cameraPos.vy);
IR3 = (pVVar3->vz - player[iVar1].cameraPos.vz);
docop2(0xa00428);
iVar1 = MAC1;
iVar2 = MAC2;
iVar5 = MAC3;
iVar1 = SquareRoot0(iVar1 + iVar2 + iVar5);
iVar2 = iVar1 + -16000;
if (iVar1 < 1024) {
iVar1 = 1024;
iVar2 = -0x3a80;
}
if (iVar2 < 0) {
iVar2 = 0;
}
else if (0x1000 < iVar2) {
iVar2 = 4069;
}
iVar5 = 0xbd0000 / (iVar1 + 2000);
if (iVar1 + 2000 == 0) {
trap(7);
}
if (iVar2 != 0) {
iVar5 = iVar5 * (4096 - iVar2) / 4096;
}
iVar5 = iVar5 * puVar4;
puVar4 = iVar5 / 4096;
if (iVar5 < 0) {
puVar4 = (iVar5 + 0xfff) / 4096;
}
}
return puVar4-10000;
}
// decompiled code
// original method signature:
// void /*$ra*/ AllocateReverb(long mode /*$s1*/, long depth /*$s0*/)
// line 1303, offset 0x0007ab3c
/* begin block 1 */
// Start line: 1304
// Start offset: 0x0007AB3C
// Variables:
// struct SpuReverbAttr r_attr; // stack offset -40
/* end block 1 */
// End offset: 0x0007AB94
// End Line: 1319
/* begin block 2 */
// Start line: 3989
/* end block 2 */
// End Line: 3990
void AllocateReverb(long mode, long depth)
{
UNIMPLEMENTED();
/*
int iVar1;
undefined4 local_28;
uint local_24;
undefined2 local_20;
undefined2 local_1e;
iVar1 = SpuReserveReverbWorkArea(1);
if (iVar1 == 1) {
local_24 = mode | 0x100;
local_28 = 7;
local_20 = (undefined2)depth;
local_1e = local_20;
SpuSetReverbModeParam(&local_28);
SpuSetReverbDepth(&local_28);
SpuSetReverb(1);
}
return;
*/
}
// decompiled code
// original method signature:
// int /*$ra*/ FESound(int sample /*$s0*/)
// line 1326, offset 0x0007a534
/* begin block 1 */
// Start line: 1327
// Start offset: 0x0007A534
// Variables:
// long bpf; // $a1
// long rate; // $a1
// long pitch; // $s5
// int channel; // $s6
/* end block 1 */
// End offset: 0x0007A6C0
// End Line: 1358
/* begin block 2 */
// Start line: 2783
/* end block 2 */
// End Line: 2784
/* begin block 3 */
// Start line: 2815
/* end block 3 */
// End Line: 2816
// [D]
int FESound(int sample)
{
int iVar2;
uint uVar3;
int channel;
int iVar4;
uint uVar5;
ushort uVar6;
channel = GetFreeChannel();
iVar4 = samples[1][sample].samplerate * 2048;
iVar2 = iVar4 / 44100;
uVar6 = iVar2;
if (0x3fff < iVar2)
{
uVar6 = 0x3fff;
}
uVar3 = (iVar4 / 4096) / 50;
if (uVar3 == 0)
{
channel = -1;
}
else {
uVar5 = samples[1][sample].length;
if (uVar3 == 0)
trap(7);
channels[channel].srcvolume = 0;
channels[channel].srcposition = (VECTOR *)0x0;
UpdateVolumeAttributesM(channel);
stop_sound_handler = 1;
channels[channel].attr.mask = 0x9f;
channels[channel].attr.addr = samples[1][sample].address;
channels[channel].attr.pitch = uVar6;
channels[channel].loop = samples[1][sample].loop;
channels[channel].time = (uVar5 / uVar3) * 2 + 2;
channels[channel].samplerate = samples[1][sample].samplerate;
SpuSetVoiceAttr(&channels[channel].attr);
SpuSetKey(1, channels[channel].attr.voice);
stop_sound_handler = 0;
}
return channel;
}
// decompiled code
// original method signature:
// void /*$ra*/ VsyncProc()
// line 1371, offset 0x0007b178
/* begin block 1 */
// Start line: 5076
/* end block 1 */
// End Line: 5077
/* begin block 2 */
// Start line: 5199
/* end block 2 */
// End Line: 5200
/* begin block 3 */
// Start line: 5200
/* end block 3 */
// End Line: 5201
/* WARNING: Unknown calling convention yet parameter storage is locked */
int vblcounter = 0; // vblank counter
// [D]
void VsyncProc(void)
{
vblcounter = vblcounter + 1;
if (Song_ID != -1) {
XM_Update();
}
SoundHandler();
}