Started decompiling move animation sfx

1 files changed, 113 insertions, 0 deletions

diff --git a/src/battle/anim/sfx.c b/src/battle/anim/sfx.c
index 265271ac5..a66a15371 100644
--- a/src/battle/anim/sfx.c
+++ b/src/battle/anim/sfx.c
@@ -1,2 +1,115 @@
 #include "global.h"
+#include "battle_anim.h"
+#include "sound.h"
+#include "task.h"
+
+extern s16 gBattleAnimArgs[];
+
+void sub_812AF98(u8 taskId);
+void sub_812B004(u8 taskId);
+void sub_812B004(u8 taskId);
+
+void sub_812AF30(u8 taskId)
+{
+    s8 sourcePan, targetPan, incrementPan;
+    
+    TASK.data[0] = gBattleAnimArgs[0];
+    TASK.data[1] = gBattleAnimArgs[1];
+
+    sourcePan = BattleAnimAdjustPanning(-64);
+    targetPan = BattleAnimAdjustPanning(63);
+    incrementPan = CalculatePanIncrement(sourcePan, targetPan, 2);
+
+    TASK.data[2] = sourcePan;
+    TASK.data[3] = targetPan;
+    TASK.data[4] = incrementPan;
+    TASK.data[10] = 10;
+
+    TASK.func = sub_812AF98;
+}
+
+#ifdef NONMATCHING
+void sub_812AF98(u8 taskId) // r4 := TASK
+{
+    s16 pan = TASK.data[2]; // r5
+    s8 var0 = TASK.data[4]; // r6
+
+    if (++TASK.data[11] == 111)
+    {
+        TASK.data[10] = 5;
+        TASK.data[11] = 0;
+        TASK.func = sub_812B004;
+    } 
+    else
+    {
+        if (++TASK.data[10] == 11)
+        {
+            TASK.data[10] = 0;
+            PlaySE12WithPanning(TASK.data[0], pan);
+        }
+        TASK.data[2] = sub_8077104(var0 + pan);
+    }
+}
+#else
+__attribute__((naked))
+void sub_812AF98(u8 taskId)
+{
+    asm(".syntax unified\n\
+    push {r4-r6,lr}\n\
+    lsls r0, 24\n\
+    lsrs r0, 24\n\
+    ldr r2, _0812AFC8 @ =gTasks\n\
+    lsls r1, r0, 2\n\
+    adds r1, r0\n\
+    lsls r1, 3\n\
+    adds r4, r1, r2\n\
+    ldrh r5, [r4, 0xC]\n\
+    ldrb r6, [r4, 0x10]\n\
+    ldrh r0, [r4, 0x1E]\n\
+    adds r0, 0x1\n\
+    movs r1, 0\n\
+    strh r0, [r4, 0x1E]\n\
+    lsls r0, 16\n\
+    asrs r0, 16\n\
+    cmp r0, 0x6F\n\
+    bne _0812AFD0\n\
+    movs r0, 0x5\n\
+    strh r0, [r4, 0x1C]\n\
+    strh r1, [r4, 0x1E]\n\
+    ldr r0, _0812AFCC @ =sub_812B004\n\
+    str r0, [r4]\n\
+    b _0812AFFE\n\
+    .align 2, 0\n\
+_0812AFC8: .4byte gTasks\n\
+_0812AFCC: .4byte sub_812B004\n\
+_0812AFD0:\n\
+    ldrh r0, [r4, 0x1C]\n\
+    adds r0, 0x1\n\
+    strh r0, [r4, 0x1C]\n\
+    lsls r0, 16\n\
+    asrs r0, 16\n\
+    cmp r0, 0xB\n\
+    bne _0812AFEA\n\
+    strh r1, [r4, 0x1C]\n\
+    ldrh r0, [r4, 0x8]\n\
+    lsls r1, r5, 24\n\
+    asrs r1, 24\n\
+    bl PlaySE12WithPanning\n\
+_0812AFEA:\n\
+    lsls r1, r6, 24\n\
+    asrs r1, 24\n\
+    lsls r0, r5, 16\n\
+    asrs r0, 16\n\
+    adds r0, r1\n\
+    lsls r0, 16\n\
+    asrs r0, 16\n\
+    bl sub_8077104\n\
+    strh r0, [r4, 0xC]\n\
+_0812AFFE:\n\
+    pop {r4-r6}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .syntax divided\n");
+}
+#endif // NONMATCHING