Implemented audio sliders

src/audio/effects.c

@@ -12,7 +12,7 @@ void sequence_channel_process_sound(struct SequenceChannel* seqChannel, s32 reca
     s32 i;
 
     if (seqChannel->changes.as_bitfields.volume || recalculateVolume) {
-        channelVolume = seqChannel->volume * seqChannel->volumeScale * seqChannel->seqPlayer->appliedFadeVolume;
+        channelVolume = (seqChannel->volume * (seqChannel->volumeScale * seqChannel->seqPlayer->fadeVolume)) * seqChannel->seqPlayer->gameVolume;
         if (seqChannel->seqPlayer->muted && (seqChannel->muteBehavior & MUTE_BEHAVIOR_SOFTEN) != 0) {
             channelVolume = seqChannel->seqPlayer->muteVolumeScale * channelVolume;
         }

src/audio/external.c

@@ -3547,6 +3547,11 @@ void func_800CB14C() {
     }
 }
 
+void audio_set_player_volume(u8 player, f32 volume) {
+    gSequencePlayers[player].gameVolume = volume;
+    gSequencePlayers[player].recalculateVolume = 1;
+}
+
 // run audio?
 void func_800CB2C4() {
     func_800C1F8C();

src/audio/external.h

@@ -322,6 +322,8 @@ void func_800CB14C(void);
 void func_800CB2C4(void);
 void func_800CBC24(void);
 
+extern void audio_set_player_volume(u8 player, f32 volume);
+
 // This is some from other file, its definitely not part of audio's data/bss
 extern s8 D_801657E5;
 

src/audio/internal.h

@@ -228,6 +228,7 @@ struct SequencePlayer {
     /*0x130, 0x13C*/ u8* bankDmaCurrMemAddr;
     /*0x138, 0x140*/ uintptr_t bankDmaCurrDevAddr;
     /*0x13C, 0x144*/ size_t bankDmaRemaining;
+    f32 gameVolume;
 }; // size = 0x140, 0x148 on EU, 0x14C on SH
 
 struct AdsrSettings {

src/audio/load.c

@@ -5,6 +5,7 @@
 #include "audio/data.h"
 #include "audio/heap.h"
 #include "audio/internal.h"
+#include "audio/external.h"
 #include "audio/playback.h"
 #include "audio/synthesis.h"
 #include "audio/seqplayer.h"
@@ -803,6 +804,11 @@ void audio_init(void) {
     sound_alloc_pool_init(&gUnkPool1.pool, soundAlloc(&gAudioInitPool, (u32) D_800EA5D8), (u32) D_800EA5D8);
     init_sequence_players();
     gAudioLoadLock = 0x76557364;
+
+    audio_set_player_volume(SEQ_PLAYER_LEVEL, CVarGetFloat("gMainMusicVolume", 1.0f));
+    audio_set_player_volume(SEQ_PLAYER_ENV, CVarGetFloat("gEnvironmentVolume", 1.0f));
+    audio_set_player_volume(SEQ_PLAYER_SFX, CVarGetFloat("gSFXMusicVolume", 1.0f));
+
 }
 #else
 #ifdef VERSION_EU

src/audio/playback.c

@@ -71,6 +71,10 @@ void note_set_vel_pan_reverb(struct Note* note, f32 velocity, u8 pan, u8 reverbV
         velocity = 1.0f;
     }
 
+    float master_vol = CVarGetFloat("gGameMasterVolume", 1.0f);
+    volLeft *= master_vol;
+    volRight *= master_vol;
+
     sub->targetVolLeft = ((s32) (velocity * volLeft * 4095.999f));
     sub->targetVolRight = ((s32) (velocity * volRight * 4095.999f));