initial decompilation of sound code

1 files changed, 578 insertions, 0 deletions

diff --git a/src/sound.c b/src/sound.c
new file mode 100644
index 000000000..141902b1f
--- /dev/null
+++ b/src/sound.c
@@ -0,0 +1,578 @@
+#include "global.h"
+#include "gba/m4a_internal.h"
+#include "task.h"
+
+struct Fanfare
+{
+    u16 songNum;
+    u16 duration;
+};
+
+extern u32 speciesid_conv(u32);
+
+void sound_sources_off(void);
+
+void map_music_set_to_zero(void);
+
+extern u16 gUnknown_020239F8;
+extern struct MusicPlayerInfo *gUnknown_0202F79C;
+extern u8 gUnknown_0202F7A0;
+
+extern u16 gUnknown_030006D4;
+extern u16 gUnknown_030006D6;
+extern u8 gUnknown_030006D8;
+extern u8 gUnknown_030006D9;
+extern u16 gUnknown_030006DA;
+
+extern u8 gUnknown_03004AEC;
+extern struct MusicPlayerInfo gUnknown_03007380;
+extern struct MusicPlayerInfo gUnknown_030073C0;
+extern struct MusicPlayerInfo gUnknown_03007400;
+extern struct MusicPlayerInfo gUnknown_03007450;
+
+extern struct Fanfare gUnknown_0837DEF4[];
+
+extern struct ToneData voicegroup_8452590[];
+extern struct ToneData voicegroup_8452B90[];
+extern struct ToneData voicegroup_8453190[];
+extern struct ToneData voicegroup_8453790[];
+
+extern struct ToneData voicegroup_84537C0[];
+extern struct ToneData voicegroup_8453DC0[];
+extern struct ToneData voicegroup_84543C0[];
+extern struct ToneData voicegroup_84549C0[];
+
+u8 sub_8075028(void);
+u8 task_is_not_running_overworld_fanfare(void);
+u8 sub_8074E14(void);
+void sub_8074F6C(u16, u8);
+void task50_overworld_fanfare(u8);
+void task_add_50_overworld_fanfare_if_not_running(void);
+void play_sound_effect(u8);
+void sub_80751C0(u16 species, s8 a2, s8 a3, u8 a4, u8 a5);
+void sub_8075408(u8);
+void sub_8075450(void);
+void sub_8075474(u16);
+
+void sound_sources_off(void)
+{
+    gUnknown_03004AEC = 0;
+    map_music_set_to_zero();
+}
+
+void sound_something(void)
+{
+    switch (gUnknown_030006D8)
+    {
+    case 0:
+        break;
+    case 1:
+        gUnknown_030006D8 = 2;
+        sub_8075474(gUnknown_030006D4);
+        break;
+    case 2:
+    case 3:
+    case 4:
+        break;
+    case 5:
+        if (sub_8075028())
+        {
+            gUnknown_030006D6 = 0;
+            gUnknown_030006D8 = 0;
+        }
+        break;
+    case 6:
+        if (sub_8075028() && task_is_not_running_overworld_fanfare())
+        {
+            gUnknown_030006D4 = gUnknown_030006D6;
+            gUnknown_030006D6 = 0;
+            gUnknown_030006D8 = 2;
+            sub_8075474(gUnknown_030006D4);
+        }
+        break;
+    case 7:
+        if (sub_8075028() && task_is_not_running_overworld_fanfare())
+        {
+            sub_8074F6C(gUnknown_030006D6, gUnknown_030006D9);
+            gUnknown_030006D4 = gUnknown_030006D6;
+            gUnknown_030006D6 = 0;
+            gUnknown_030006D8 = 2;
+            gUnknown_030006D9 = 0;
+        }
+        break;
+    }
+}
+
+void map_music_set_to_zero(void)
+{
+    gUnknown_030006D4 = 0;
+    gUnknown_030006D6 = 0;
+    gUnknown_030006D8 = 0;
+    gUnknown_030006D9 = 0;
+}
+
+u16 current_map_music_get(void)
+{
+    return gUnknown_030006D4;
+}
+
+void current_map_music_set(u16 a1)
+{
+    gUnknown_030006D4 = a1;
+    gUnknown_030006D6 = 0;
+    gUnknown_030006D8 = 1;
+}
+
+void sub_8074D08(void)
+{
+    gUnknown_030006D4 = 0;
+    gUnknown_030006D6 = 0;
+    gUnknown_030006D8 = 1;
+}
+
+void sub_8074D28(u8 a1)
+{
+    if (sub_8074E14())
+        play_sound_effect(a1);
+    gUnknown_030006D4 = 0;
+    gUnknown_030006D6 = 0;
+    gUnknown_030006D8 = 5;
+}
+
+void sub_8074D60(u16 a1, u8 a2)
+{
+    sub_8074D28(a2);
+    gUnknown_030006D4 = 0;
+    gUnknown_030006D6 = a1;
+    gUnknown_030006D8 = 6;
+}
+
+void sub_8074D94(u16 a1, u8 a2, u8 a3)
+{
+    sub_8074D28(a2);
+    gUnknown_030006D4 = 0;
+    gUnknown_030006D6 = a1;
+    gUnknown_030006D8 = 7;
+    gUnknown_030006D9 = a3;
+}
+
+void unref_sub_8074DD8(u16 a1, u8 a2)
+{
+    sub_8074F6C(a1, a2);
+    gUnknown_030006D4 = a1;
+    gUnknown_030006D6 = 0;
+    gUnknown_030006D8 = 2;
+    gUnknown_030006D9 = 0;
+}
+
+bool8 sub_8074E14(void)
+{
+    if (gUnknown_030006D8 == 6)
+        return FALSE;
+    if (gUnknown_030006D8 == 5)
+        return FALSE;
+    if (gUnknown_030006D8 == 7)
+        return FALSE;
+    return TRUE;
+}
+
+void pause_music_for_sound_maybe(u8 a1)
+{
+    struct Fanfare *fanfares;
+    struct Fanfare *fanfare;
+    u16 songNum;
+    m4aMPlayStop(&gUnknown_03007380);
+    fanfares = gUnknown_0837DEF4;
+    fanfare = &fanfares[a1];
+    songNum = fanfare->songNum;
+    gUnknown_030006DA = fanfare->duration;
+    m4aSongNumStart(songNum);
+}
+
+bool8 ducking_tick(u8 a1)
+{
+    if (gUnknown_030006DA)
+    {
+        gUnknown_030006DA--;
+        return FALSE;
+    }
+    else
+    {
+        if (!a1)
+            m4aMPlayContinue(&gUnknown_03007380);
+        else
+            m4aSongNumStart(0);
+            
+        return TRUE;
+    }
+}
+
+void unref_sub_8074EA4(u8 a1)
+{
+    m4aSongNumStop(gUnknown_0837DEF4[a1].songNum);
+}
+
+void fanfare_play(u16 a1)
+{
+    s32 i;
+    for (i = 0; (u32)i < 12; i++)
+    {
+        struct Fanfare *fanfare = &gUnknown_0837DEF4[i];
+        if (fanfare->songNum == a1)
+        {
+            pause_music_for_sound_maybe(i);
+            task_add_50_overworld_fanfare_if_not_running();
+            return;
+        }
+    }
+
+    pause_music_for_sound_maybe(0);
+    task_add_50_overworld_fanfare_if_not_running();
+}
+
+bool8 task_is_not_running_overworld_fanfare(void)
+{
+    if (FuncIsActiveTask(task50_overworld_fanfare) == TRUE)
+        return FALSE;
+    return TRUE;
+}
+
+void task50_overworld_fanfare(u8 taskId)
+{
+    if (gUnknown_030006DA)
+    {
+        gUnknown_030006DA--;
+    }
+    else
+    {
+        m4aMPlayContinue(&gUnknown_03007380);
+        DestroyTask(taskId);
+    }
+}
+
+void task_add_50_overworld_fanfare_if_not_running(void)
+{
+    if (FuncIsActiveTask(task50_overworld_fanfare) != TRUE)
+        CreateTask(task50_overworld_fanfare, 80);
+}
+
+void sub_8074F6C(u16 a1, u8 a2)
+{
+    if (gUnknown_03004AEC)
+        a1 = 0;
+    m4aSongNumStart(a1);
+    m4aMPlayImmInit(&gUnknown_03007380);
+    m4aMPlayVolumeControl(&gUnknown_03007380, 0xFFFF, 0);
+    m4aSongNumStop(a1);
+    sub_81DE0F0(&gUnknown_03007380, a2);
+}
+
+void sub_8074FB8(u8 a1)
+{
+    sub_81DE0D0(&gUnknown_03007380, a1);
+}
+
+bool8 sub_8074FD0(void)
+{
+    if (gUnknown_03007380.status & MUSICPLAYER_STATUS_PAUSE)
+        return TRUE;
+    if (!(gUnknown_03007380.status & MUSICPLAYER_STATUS_TRACK))
+        return TRUE;
+    return FALSE;
+}
+
+void sub_8074FF8(u8 a1)
+{
+    sub_81DE0F0(&gUnknown_03007380, a1);
+}
+
+void play_sound_effect(u8 a1)
+{
+    m4aMPlayFadeOut(&gUnknown_03007380, a1);
+}
+
+bool8 sub_8075028(void)
+{
+    if (!(gUnknown_03007380.status & MUSICPLAYER_STATUS_TRACK))
+        return TRUE;
+    return FALSE;
+}
+
+void cry_related(u16 a1, u8 a2)
+{
+    m4aMPlayVolumeControl(&gUnknown_03007380, 0xFFFF, 85);
+    sub_80751C0(a1, a2, 0x7D, 0xA, 0);
+    gUnknown_0202F7A0 = 2;
+    sub_8075450();
+}
+
+void sub_8075090(u16 a1, s8 a2, s8 a3, u8 a4)
+{
+    sub_80751C0(a1, a2, a3, a4, 0);
+}
+
+void sub_80750B4(u16 a1, s8 a2, u8 a3)
+{
+    if (a3 == 1)
+    {
+        sub_80751C0(a1, a2, 0x7D, 0xA, 1);
+    }
+    else
+    {
+        m4aMPlayVolumeControl(&gUnknown_03007380, 0xFFFF, 85);
+        sub_80751C0(a1, a2, 0x7D, 0xA, a3);
+        gUnknown_0202F7A0 = 2;
+        sub_8075450();
+    }
+}
+
+void sub_8075114(u16 a1, s8 a2, u8 a3)
+{
+    if (a3 == 1)
+    {
+        sub_80751C0(a1, a2, 0x7D, 0xA, 1);
+    }
+    else
+    {
+        if (!(gUnknown_020239F8 & 0x40))
+            m4aMPlayVolumeControl(&gUnknown_03007380, 0xFFFF, 85);
+        sub_80751C0(a1, a2, 0x7D, 0xA, a3);
+    }
+}
+
+void sub_8075178(u16 a1, u8 a2)
+{
+    m4aMPlayVolumeControl(&gUnknown_03007380, 0xFFFF, 85);
+    sub_80751C0(a1, 0, 0x7D, 0xA, a2);
+    gUnknown_0202F7A0 = 2;
+    sub_8075450();
+}
+
+#define GET_CRY_PTR(a, b)\
+{\
+    u32 ptr1;\
+    struct MusicPlayerInfo *ptr2;\
+    if (v0)\
+        ptr1 = (u32)&a[index];\
+    else\
+        ptr1 = (u32)&b[index];\
+    ptr2 = sub_81DF43C(ptr1);\
+    gUnknown_0202F79C = ptr2;\
+    break;\
+}
+
+void sub_80751C0(u16 species, s8 a2, s8 a3, u8 a4, u8 a5)
+{
+    u32 cryId;
+    u32 v0;
+    u32 v1;
+    u32 v2;
+    u32 v3;
+    u32 v4;
+    u32 index;
+    u8 table;
+
+    species--;
+
+    cryId = species;
+
+    v0 = 0;
+    v1 = 0;
+    v2 = 140;
+    v3 = 15360;
+    v4 = 0;
+
+    switch (a5)
+    {
+    case 0:
+        break;
+    case 1:
+        v2 = 20;
+        v1 = 225;
+        break;
+    case 2:
+        v2 = 30;
+        v1 = 225;
+        v3 = 15600;
+        v4 = 20;
+        a3 = 80;
+        break;
+    case 3:
+        v2 = 50;
+        v1 = 200;
+        v3 = 14800;
+        break;
+    case 4:
+        v2 = 20;
+        v1 = 220;
+        v3 = 15800;
+        break;
+    case 5:
+        v1 = 200;
+        v3 = 14500;
+        break;
+    }
+
+    sub_81DF50C(a3);
+    sub_81DF520(a2);
+    sub_81DF538(v3);
+    sub_81DF570(v2);
+    sub_81DF588(0);
+    sub_81DF57C(v1);
+    sub_81DF5AC(v4);
+    sub_81DF618(a4);
+
+    asm("");
+    asm("");
+    asm("");
+    asm("");
+    asm("");
+    asm("");
+    asm("");
+
+    cryId = speciesid_conv(cryId);
+    index = 0x7F;
+    asm("" ::: "r0");
+    index &= cryId;
+    table = cryId >> 7;
+
+    switch (table)
+    {
+    case 0: GET_CRY_PTR(voicegroup_84537C0, voicegroup_8452590);
+    case 1: GET_CRY_PTR(voicegroup_8453DC0, voicegroup_8452B90);
+    case 2: GET_CRY_PTR(voicegroup_84543C0, voicegroup_8453190);
+    case 3: GET_CRY_PTR(voicegroup_84549C0, voicegroup_8453790);
+    }
+}
+
+bool8 sub_8075374(void)
+{
+    if (FuncIsActiveTask(sub_8075408) == TRUE)
+    {
+        return FALSE;
+    }
+    else
+    {
+        ClearPokemonCrySongs();
+        return TRUE;
+    }
+}
+
+void sub_8075398(void)
+{
+    m4aMPlayStop(gUnknown_0202F79C);
+    ClearPokemonCrySongs();
+}
+
+void sub_80753B0(void)
+{
+    m4aMPlayStop(gUnknown_0202F79C);
+}
+
+bool8 sub_80753C4(void)
+{
+    if (sub_81DF594(gUnknown_0202F79C))
+    {
+        return TRUE;
+    }
+    else
+    {
+        ClearPokemonCrySongs();
+        return FALSE;
+    }
+}
+
+bool8 sub_80753E8(void)
+{
+    if (sub_81DF594(gUnknown_0202F79C))
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void sub_8075408(u8 taskId)
+{
+    if (gUnknown_0202F7A0)
+    {
+        gUnknown_0202F7A0--;
+    }
+    else if (!sub_81DF594(gUnknown_0202F79C))
+    {
+        m4aMPlayVolumeControl(&gUnknown_03007380, 0xFFFF, 256);
+        DestroyTask(taskId);
+    }
+}
+
+void sub_8075450(void)
+{
+    if (FuncIsActiveTask(sub_8075408) != TRUE)
+        CreateTask(sub_8075408, 80);
+}
+
+void sub_8075474(u16 a1)
+{
+    if (gUnknown_03004AEC)
+        a1 = 0;
+    m4aSongNumStart(a1);
+}
+
+void audio_play(u16 songNum)
+{
+    m4aSongNumStart(songNum);
+}
+
+void audio_play_and_stuff(u16 a1, u8 a2)
+{
+    m4aSongNumStart(a1);
+    m4aMPlayImmInit(&gUnknown_030073C0);
+    m4aMPlayImmInit(&gUnknown_03007400);
+    m4aMPlayPanpotControl(&gUnknown_030073C0, 0xFFFF, a2);
+    m4aMPlayPanpotControl(&gUnknown_03007400, 0xFFFF, a2);
+}
+
+void sub_80754F8(u16 a1, u8 a2)
+{
+    m4aSongNumStart(a1);
+    m4aMPlayImmInit(&gUnknown_030073C0);
+    m4aMPlayPanpotControl(&gUnknown_030073C0, 0xFFFF, a2);
+}
+
+void sub_807552C(u16 a1, u8 a2)
+{
+    m4aSongNumStart(a1);
+    m4aMPlayImmInit(&gUnknown_03007400);
+    m4aMPlayPanpotControl(&gUnknown_03007400, 0xFFFF, a2);
+}
+
+void sub_8075560(u8 a1)
+{
+    m4aMPlayPanpotControl(&gUnknown_030073C0, 0xFFFF, a1);
+    m4aMPlayPanpotControl(&gUnknown_03007400, 0xFFFF, a1);
+}
+
+bool8 mplay_has_finished_maybe(void)
+{
+    if ((gUnknown_030073C0.status & MUSICPLAYER_STATUS_PAUSE) && (gUnknown_03007400.status & MUSICPLAYER_STATUS_PAUSE))
+        return FALSE;
+    if (!(gUnknown_030073C0.status & MUSICPLAYER_STATUS_TRACK) && !(gUnknown_03007400.status & MUSICPLAYER_STATUS_TRACK))
+        return FALSE;
+    return TRUE;
+}
+
+bool8 sub_80755D4(void)
+{
+    if (gUnknown_03007380.status & MUSICPLAYER_STATUS_PAUSE)
+        return FALSE;
+    if (!(gUnknown_03007380.status & MUSICPLAYER_STATUS_TRACK))
+        return FALSE;
+    return TRUE;
+}
+
+bool8 sub_80755FC(void)
+{
+    if (gUnknown_03007450.status & MUSICPLAYER_STATUS_PAUSE)
+        return FALSE;
+    if (!(gUnknown_03007450.status & MUSICPLAYER_STATUS_TRACK))
+        return FALSE;
+    return TRUE;
+}