Decompile ground.c

asm/battle_anim_815A0D4.s

@@ -125,7 +125,7 @@ sub_815A1B0: @ 815A1B0
 	adds r4, r0, 0
 	movs r0, 0x5A
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	movs r0, 0x7
 	strh r0, [r4, 0x30]
@@ -824,7 +824,7 @@ sub_815A73C: @ 815A73C
 	movs r0, 0x1E
 	strh r0, [r4, 0x2E]
 	strh r1, [r4, 0x30]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =sub_815A76C
 	adds r0, r4, 0

asm/battle_anim_effects_1.s

@@ -553,7 +553,7 @@ sub_80FECB8: @ 80FECB8
 	strb r0, [r2]
 	movs r0, 0xA
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =sub_80FECF0
 	adds r0, r4, 0
@@ -581,7 +581,7 @@ sub_80FECF0: @ 80FECF0
 	bl StartSpriteAnim
 	movs r0, 0x3C
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	adds r0, r4, 0
@@ -4624,7 +4624,7 @@ _08100CF2:
 	bl StoreSpriteCallbackInData6
 	movs r0, 0x3
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 _08100D28:
 	pop {r4}
@@ -5704,7 +5704,7 @@ sub_81015AC: @ 81015AC
 	strh r1, [r0, 0x22]
 	movs r1, 0x14
 	strh r1, [r0, 0x2E]
-	ldr r1, =sub_80A64B0
+	ldr r1, =WaitAnimForDuration
 	str r1, [r0, 0x1C]
 	ldr r1, =sub_81015D4
 	bl StoreSpriteCallbackInData6
@@ -5728,7 +5728,7 @@ sub_81015D4: @ 81015D4
 	b _0810166A
 _081015EA:
 	strh r1, [r5, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r5, 0x1C]
 	ldr r1, =sub_81015D4
 	adds r0, r5, 0
@@ -5806,7 +5806,7 @@ sub_8101684: @ 8101684
 	bne _081016AC
 	movs r0, 0xA
 	strh r0, [r2, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r2, 0x1C]
 	ldr r1, =sub_81016B8
 	adds r0, r2, 0
@@ -5833,7 +5833,7 @@ sub_81016B8: @ 81016B8
 	strh r0, [r5, 0x2E]
 	strh r1, [r5, 0x30]
 	strh r1, [r5, 0x32]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r5, 0x1C]
 	ldr r1, =sub_8101774
 	adds r0, r5, 0
@@ -9019,7 +9019,7 @@ _08102FDE:
 	strh r0, [r5, 0x22]
 	movs r0, 0x8
 	strh r0, [r5, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r5, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	adds r0, r5, 0

asm/battle_anim_effects_2.s

@@ -248,7 +248,7 @@ sub_8103620: @ 8103620
 	strh r0, [r4, 0x30]
 	ldrh r0, [r1, 0x8]
 	strh r0, [r4, 0x38]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =sub_8103658
 	adds r0, r4, 0
@@ -5667,7 +5667,7 @@ sub_810624C: @ 810624C
 	strh r1, [r0, 0x2E]
 	ldrh r1, [r2, 0x2]
 	strh r1, [r0, 0x30]
-	ldr r1, =sub_80A64B0
+	ldr r1, =WaitAnimForDuration
 	str r1, [r0, 0x1C]
 	ldr r1, =sub_810627C
 	bl StoreSpriteCallbackInData6

asm/electric.s

@@ -744,7 +744,7 @@ _0810A7B6:
 	ldr r0, =gBattleAnimArgs
 	ldrh r0, [r0, 0x4]
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	adds r0, r4, 0

asm/fight.s

@@ -20,7 +20,7 @@ unc_080B08A0: @ 810CE2C
 	strh r0, [r4, 0x22]
 	movs r0, 0xF
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	adds r0, r4, 0
@@ -115,7 +115,7 @@ _0810CF0C:
 	ldr r0, =gBattleAnimArgs
 	ldrh r0, [r0, 0x4]
 	strh r0, [r5, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r5, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	adds r0, r5, 0
@@ -537,7 +537,7 @@ sub_810D278: @ 810D278
 	bl StartSpriteAnim
 	ldrh r0, [r5, 0x6]
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =sub_810D2B0
 	adds r0, r4, 0
@@ -562,7 +562,7 @@ sub_810D2B0: @ 810D2B0
 	strb r0, [r2]
 	movs r0, 0x14
 	strh r0, [r4, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	adds r0, r4, 0
@@ -635,7 +635,7 @@ sub_810D360: @ 810D360
 	push {lr}
 	movs r1, 0xF
 	strh r1, [r0, 0x2E]
-	ldr r1, =sub_80A64B0
+	ldr r1, =WaitAnimForDuration
 	str r1, [r0, 0x1C]
 	ldr r1, =DestroyAnimSprite
 	bl StoreSpriteCallbackInData6

asm/fire.s

@@ -625,7 +625,7 @@ sub_81093A4: @ 81093A4
 	movs r1, 0x4
 	orrs r0, r1
 	strb r0, [r2]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	ldr r1, =sub_81093E4
 	adds r0, r4, 0

asm/ghost.s

@@ -2525,7 +2525,7 @@ _08112A5E:
 	bne _08112AC0
 	movs r0, 0x1E
 	strh r0, [r3, 0x2E]
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r3, 0x1C]
 	ldr r1, =sub_8112ACC
 	adds r0, r3, 0

asm/normal.s

@@ -1803,7 +1803,7 @@ _08116584:
 	ldr r1, =DestroyAnimSprite
 	adds r0, r4, 0
 	bl StoreSpriteCallbackInData6
-	ldr r0, =sub_80A64B0
+	ldr r0, =WaitAnimForDuration
 	str r0, [r4, 0x1C]
 	pop {r4}
 	pop {r0}

asm/water.s

@@ -329,7 +329,7 @@ sub_8107430: @ 8107430
 	push {lr}
 	movs r1, 0xA
 	strh r1, [r0, 0x2E]
-	ldr r1, =sub_80A64B0
+	ldr r1, =WaitAnimForDuration
 	str r1, [r0, 0x1C]
 	ldr r1, =move_anim_8074EE0
 	bl StoreSpriteCallbackInData6

include/battle_anim.h

@@ -95,6 +95,7 @@ void sub_80A67D8(struct Sprite *sprite);
 void sub_80A6864(struct Sprite *sprite, s16 a2);
 s16 sub_80A861C(u8 battlerId, u8 a2);
 u8 GetBattlerYCoordWithElevation(u8 battlerId);
+void WaitAnimForDuration(struct Sprite *sprite);
 void sub_80A8278(void);
 void sub_80A6B30(struct UnknownAnimStruct2*);
 void sub_80A6B90(struct UnknownAnimStruct2*, u32 arg1);

ld_script.txt

@@ -171,7 +171,7 @@ SECTIONS {
         asm/ghost.o(.text);
         src/dragon.o(.text);
         asm/dark.o(.text);
-        asm/ground.o(.text);
+        src/ground.o(.text);
         asm/normal.o(.text);
         src/battle_anim_utility_funcs.o(.text);
         asm/battle_intro.o(.text);

src/battle_anim_80A5C6C.c

@@ -532,7 +532,7 @@ void sub_80A6450(struct Sprite *sprite)
 // Simply waits until the sprite's data[0] hits zero.
 // This is used to let sprite anims or affine anims to run for a designated
 // duration.
-void sub_80A64B0(struct Sprite *sprite)
+void WaitAnimForDuration(struct Sprite *sprite)
 {
     if (sprite->data[0] > 0)
         sprite->data[0]--;

src/ground.c

@@ -1,14 +1,31 @@
 #include "global.h"
 #include "battle_anim.h"
+#include "random.h"
+#include "scanline_effect.h"
+#include "task.h"
+#include "trig.h"
 #include "constants/rgb.h"
 
-extern void sub_8114994(struct Sprite *);
+void AnimBonemerangProjectile(struct Sprite *);
-extern void sub_8114A7C(struct Sprite *);
+void AnimBoneHitProjectile(struct Sprite *);
-extern void sub_8114AF0(struct Sprite *);
+void AnimDirtScatter(struct Sprite *);
-extern void sub_8114AF0(struct Sprite *);
+void AnimMudSportDirt(struct Sprite *);
-extern void sub_8114B80(struct Sprite *);
+void AnimFissureDirtPlumeParticle(struct Sprite *);
-extern void sub_81151A0(struct Sprite *);
+void AnimDigDirtMound(struct Sprite *);
-extern void sub_8115244(struct Sprite *);
+static void AnimBonemerangProjectileStep(struct Sprite *);
+static void AnimBonemerangProjectileEnd(struct Sprite *);
+static void AnimMudSportDirtRising(struct Sprite *);
+static void AnimMudSportDirtFalling(struct Sprite *);
+static void sub_8114CFC(u8);
+static void sub_8114EB4(u8);
+static void sub_8114F54(u8);
+static void sub_8114FD8(u8);
+static void sub_81150E0(u8, s16, s16);
+static void AnimFissureDirtPlumeParticleStep(struct Sprite *);
+static void sub_81153AC(u8);
+static void sub_81154A4(u8);
+static void sub_8115588(struct Task *);
+static void sub_81156D0(u8);
 
 const union AffineAnimCmd gUnknown_08597150[] =
 {
@@ -40,7 +57,7 @@ const struct SpriteTemplate gUnknown_08597178 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gUnknown_08597170,
-    .callback = sub_8114994,
+    .callback = AnimBonemerangProjectile,
 };
 
 const struct SpriteTemplate gUnknown_08597190 =
@@ -51,7 +68,7 @@ const struct SpriteTemplate gUnknown_08597190 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gUnknown_08597174,
-    .callback = sub_8114A7C,
+    .callback = AnimBoneHitProjectile,
 };
 
 const struct SpriteTemplate gUnknown_085971A8 =
@@ -62,7 +79,7 @@ const struct SpriteTemplate gUnknown_085971A8 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_8114AF0,
+    .callback = AnimDirtScatter,
 };
 
 const union AnimCmd gUnknown_085971C0[] =
@@ -84,7 +101,7 @@ const struct SpriteTemplate gUnknown_085971CC =
     .anims = gUnknown_085971C8,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_8114AF0,
+    .callback = AnimDirtScatter,
 };
 
 const struct SpriteTemplate gUnknown_085971E4 =
@@ -95,7 +112,7 @@ const struct SpriteTemplate gUnknown_085971E4 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_8114B80,
+    .callback = AnimMudSportDirt,
 };
 
 const struct SpriteTemplate gUnknown_085971FC =
@@ -106,7 +123,7 @@ const struct SpriteTemplate gUnknown_085971FC =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_81151A0,
+    .callback = AnimFissureDirtPlumeParticle,
 };
 
 const struct SpriteTemplate gUnknown_08597214 =
@@ -117,5 +134,615 @@ const struct SpriteTemplate gUnknown_08597214 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_8115244,
+    .callback = AnimDigDirtMound,
 };
+
+// Moves a bone projectile towards the target mon, which moves like
+// a boomerang. After hitting the target mon, it comes back to the user.
+void AnimBonemerangProjectile(struct Sprite *sprite)
+{
+    sprite->pos1.x = GetBattlerSpriteCoord(gBattleAnimAttacker, 2);
+    sprite->pos1.y = GetBattlerSpriteCoord(gBattleAnimAttacker, 3);
+    sprite->data[0] = 20;
+    sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
+    sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3);
+    sprite->data[5] = -40;
+    InitAnimArcTranslation(sprite);
+    sprite->callback = AnimBonemerangProjectileStep;
+}
+
+static void AnimBonemerangProjectileStep(struct Sprite *sprite)
+{
+    if (TranslateAnimArc(sprite))
+    {
+        sprite->pos1.x += sprite->pos2.x;
+        sprite->pos1.y += sprite->pos2.y;
+        sprite->pos2.y = 0;
+        sprite->pos2.x = 0;
+        sprite->data[0] = 20;
+        sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimAttacker, 2);
+        sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimAttacker, 3);
+        sprite->data[5] = 40;
+        InitAnimArcTranslation(sprite);
+        sprite->callback = AnimBonemerangProjectileEnd;
+    }
+}
+
+static void AnimBonemerangProjectileEnd(struct Sprite *sprite)
+{
+    if (TranslateAnimArc(sprite))
+        DestroyAnimSprite(sprite);
+}
+
+// Moves a bone projectile towards the target mon, starting right next to
+// the target mon.
+// arg 0: initial x pixel offset
+// arg 1: initial y pixel offset
+// arg 2: target x pixel offset
+// arg 3: target y pixel offset
+// arg 4: duration
+void AnimBoneHitProjectile(struct Sprite *sprite)
+{
+    sub_80A6980(sprite, TRUE);
+    if (GetBattlerSide(gBattleAnimAttacker) != B_SIDE_PLAYER)
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+    
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2) + gBattleAnimArgs[2];
+    sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3) + gBattleAnimArgs[3];
+    sprite->callback = StartAnimLinearTranslation;
+    StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
+}
+
+// Moves a small dirt projectile towards the target mon.
+// arg 0: initial x pixel offset
+// arg 1: initial y pixel offset
+// arg 2: duration
+// arg 3: target x pixel offset
+// arg 4: target y pixel offset
+void AnimDirtScatter(struct Sprite *sprite)
+{
+    u8 targetXPos, targetYPos;
+    s16 xOffset, yOffset;
+
+    InitAnimSpritePos(sprite, 1);
+
+    targetXPos = GetBattlerSpriteCoord2(gBattleAnimTarget, 2);
+    targetYPos = GetBattlerSpriteCoord2(gBattleAnimTarget, 3);
+
+    xOffset = Random2() & 0x1F;
+    yOffset = Random2() & 0x1F;
+    if (xOffset > 16)
+        xOffset = 16 - xOffset;
+    if (yOffset > 16)
+        yOffset = 16 - yOffset;
+
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[2] = targetXPos + xOffset;
+    sprite->data[4] = targetYPos + yOffset;
+    sprite->callback = StartAnimLinearTranslation;
+    StoreSpriteCallbackInData6(sprite, move_anim_8074EE0);
+}
+
+// Moves a particle of dirt in the Mud Sport animation.
+// The dirt can either be rising upward, or falling down.
+// arg 0: 0 = dirt is rising into the air, 1 = dirt is falling down
+// arg 1: initial x pixel offset
+// arg 2: initial y pixel offset
+void AnimMudSportDirt(struct Sprite *sprite)
+{
+    sprite->oam.tileNum++;
+    if (gBattleAnimArgs[0] == 0)
+    {
+        sprite->pos1.x = GetBattlerSpriteCoord(gBattleAnimAttacker, 2) + gBattleAnimArgs[1];
+        sprite->pos1.y = GetBattlerSpriteCoord(gBattleAnimAttacker, 3) + gBattleAnimArgs[2];
+        sprite->data[0] = gBattleAnimArgs[1] > 0 ? 1 : -1;
+        sprite->callback = AnimMudSportDirtRising;
+    }
+    else
+    {
+        sprite->pos1.x = gBattleAnimArgs[1];
+        sprite->pos1.y = gBattleAnimArgs[2];
+        sprite->pos2.y = -gBattleAnimArgs[2];
+        sprite->callback = AnimMudSportDirtFalling;
+    }
+}
+
+static void AnimMudSportDirtRising(struct Sprite *sprite)
+{
+    if (++sprite->data[1] > 1)
+    {
+        sprite->data[1] = 0;
+        sprite->pos1.x += sprite->data[0];
+    }
+
+    sprite->pos1.y -= 4;
+    if (sprite->pos1.y < -4)
+        DestroyAnimSprite(sprite);
+}
+
+static void AnimMudSportDirtFalling(struct Sprite *sprite)
+{
+    switch (sprite->data[0])
+    {
+    case 0:
+        sprite->pos2.y += 4;
+        if (sprite->pos2.y >= 0)
+        {
+            sprite->pos2.y = 0;
+            sprite->data[0]++;
+        }
+        break;
+    case 1:
+        if (++sprite->data[1] > 0)
+        {
+            sprite->data[1] = 0;
+            sprite->invisible ^= 1;
+            if (++sprite->data[2] == 10)
+                DestroyAnimSprite(sprite);
+        }
+        break;
+    }
+}
+
+void sub_8114CBC(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    if (gBattleAnimArgs[0] == 0)
+        task->func = sub_8114CFC;
+    else
+        task->func = sub_8114EB4;
+
+    task->func(taskId);
+}
+
+static void sub_8114CFC(u8 taskId)
+{
+    u8 var0;
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[10] = GetAnimBattlerSpriteId(0);
+        task->data[11] = sub_80A8364(gBattleAnimAttacker);
+        if (task->data[11] == 1)
+        {
+            task->data[12] = gBattle_BG1_X;
+            task->data[13] = gBattle_BG1_Y;
+        }
+        else
+        {
+            task->data[12] = gBattle_BG2_X;
+            task->data[13] = gBattle_BG2_Y;
+        }
+
+        var0 = GetBattlerYCoordWithElevation(gBattleAnimAttacker);
+        task->data[14] = var0 - 32;
+        task->data[15] = var0 + 32;
+        if (task->data[14] < 0)
+            task->data[14] = 0;
+
+        gSprites[task->data[10]].invisible = 1;
+        task->data[0]++;
+        break;
+    case 1:
+        sub_81150E0(task->data[11], task->data[14], task->data[15]);
+        task->data[0]++;
+        break;
+    case 2:
+        task->data[2] = (task->data[2] + 6) & 0x7F;
+        if (++task->data[4] > 2)
+        {
+            task->data[4] = 0;
+            task->data[3]++;
+        }
+
+        task->data[5] = task->data[3] + (gSineTable[task->data[2]] >> 4);
+        if (task->data[11] == 1)
+            gBattle_BG1_Y = task->data[13] - task->data[5];
+        else
+            gBattle_BG2_Y = task->data[13] - task->data[5];
+
+        if (task->data[5] > 63)
+        {
+            task->data[5] = 120 - task->data[14];
+            if (task->data[11] == 1)
+                gBattle_BG1_Y = task->data[13] - task->data[5];
+            else
+                gBattle_BG2_Y = task->data[13] - task->data[5];
+
+            gSprites[task->data[10]].pos2.x = 272 - gSprites[task->data[10]].pos1.x;
+            task->data[0]++;
+        }
+        break;
+    case 3:
+        gScanlineEffect.state = 3;
+        task->data[0]++;
+        break;
+    case 4:
+        DestroyAnimVisualTask(taskId);
+        gSprites[task->data[10]].invisible = 1;
+        break;
+    }
+}
+
+static void sub_8114EB4(u8 taskId)
+{
+    u8 spriteId = GetAnimBattlerSpriteId(0);
+    gSprites[spriteId].invisible = 1;
+    gSprites[spriteId].pos2.x = 0;
+    gSprites[spriteId].pos2.y = 0;
+
+    if (sub_80A8364(gBattleAnimAttacker) == 1)
+        gBattle_BG1_Y = 0;
+    else
+        gBattle_BG2_Y = 0;
+
+    DestroyAnimVisualTask(taskId);
+}
+
+void sub_8114F14(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    if (gBattleAnimArgs[0] == 0)
+        task->func = sub_8114F54;
+    else
+        task->func = sub_8114FD8;
+
+    task->func(taskId);
+}
+
+static void sub_8114F54(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[10] = GetAnimBattlerSpriteId(0);
+        gSprites[task->data[10]].invisible = 0;
+        gSprites[task->data[10]].pos2.x = 0;
+        gSprites[task->data[10]].pos2.y = 160 - gSprites[task->data[10]].pos1.y;
+        task->data[0]++;
+        break;
+    case 1:
+        DestroyAnimVisualTask(taskId);
+    }
+}
+
+static void sub_8114FD8(u8 taskId)
+{
+    u8 var0;
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[10] = GetAnimBattlerSpriteId(0);
+        task->data[11] = sub_80A8364(gBattleAnimAttacker);
+        if (task->data[11] == 1)
+            task->data[12] = gBattle_BG1_X;
+        else
+            task->data[12] = gBattle_BG2_X;
+
+        var0 =  GetBattlerYCoordWithElevation(gBattleAnimAttacker);
+        task->data[14] = var0 - 32;
+        task->data[15] = var0 + 32;
+        task->data[0]++;
+        break;
+    case 1:
+        sub_81150E0(task->data[11], 0, task->data[15]);
+        task->data[0]++;
+        break;
+    case 2:
+        gSprites[task->data[10]].pos2.y = 96;
+        task->data[0]++;
+        break;
+    case 3:
+        gSprites[task->data[10]].pos2.y -= 8;
+        if (gSprites[task->data[10]].pos2.y == 0)
+        {
+            gScanlineEffect.state = 3;
+            task->data[0]++;
+        }
+        break;
+    case 4:
+        DestroyAnimVisualTask(taskId);
+        break;
+    }
+}
+
+static void sub_81150E0(u8 useBG1, s16 y, s16 endY)
+{
+    s16 bgX;
+    struct ScanlineEffectParams scanlineParams;
+
+    if (useBG1 == 1)
+    {
+        bgX = gBattle_BG1_X;
+        scanlineParams.dmaDest = &REG_BG1HOFS;
+    }
+    else
+    {
+        bgX = gBattle_BG2_X;
+        scanlineParams.dmaDest = &REG_BG2HOFS;
+    }
+
+    if (y < 0)
+        y = 0;
+
+    while (y < endY)
+    {
+        gScanlineEffectRegBuffers[0][y] = bgX;
+        gScanlineEffectRegBuffers[1][y] = bgX;
+        y++;
+    }
+
+    while (y < 160)
+    {
+        gScanlineEffectRegBuffers[0][y] = bgX + 240;
+        gScanlineEffectRegBuffers[1][y] = bgX + 240;
+        y++;
+    }
+
+    scanlineParams.dmaControl = SCANLINE_EFFECT_DMACNT_16BIT;
+    scanlineParams.initState = 1;
+    scanlineParams.unused9 = 0;
+    ScanlineEffect_SetParams(scanlineParams);
+}
+
+// Moves a particle of dirt in a plume of dirt. Used in Fissure and Dig.
+// arg 0: which mon (0 = attacker, 1 = target)
+// arg 1: which side of mon (0 = left, 1 = right)
+// arg 2: target x offset
+// arg 3: target y offset
+// arg 4: wave amplitude
+// arg 5: duration
+void AnimFissureDirtPlumeParticle(struct Sprite *sprite)
+{
+    s8 battler;
+    s16 xOffset;
+
+    if (gBattleAnimArgs[0] == 0)
+        battler = gBattleAnimAttacker;
+    else
+        battler = gBattleAnimTarget;
+
+    xOffset = 24;
+    if (gBattleAnimArgs[1] == 1)
+    {
+        xOffset *= -1;
+        gBattleAnimArgs[2] *= -1;
+    }
+
+    sprite->pos1.x = GetBattlerSpriteCoord(battler, 2) + xOffset;
+    sprite->pos1.y = GetBattlerYCoordWithElevation(battler) + 30;
+    sprite->data[0] = gBattleAnimArgs[5];
+    sprite->data[2] = sprite->pos1.x + gBattleAnimArgs[2];
+    sprite->data[4] = sprite->pos1.y + gBattleAnimArgs[3];
+    sprite->data[5] = gBattleAnimArgs[4];
+    InitAnimArcTranslation(sprite);
+    sprite->callback = AnimFissureDirtPlumeParticleStep;
+}
+
+static void AnimFissureDirtPlumeParticleStep(struct Sprite *sprite)
+{
+    if (TranslateAnimArc(sprite))
+        DestroyAnimSprite(sprite);
+}
+
+// Displays the dirt mound seen in the move Dig for set duration.
+// The dirt mound image is too large for a single sprite, so two
+// sprites are lined up next to each other.
+// arg 0: which mon (0 = attacker, 1 = target)
+// arg 1: oam tile num (0 = left half of image, 1 = right half of image)
+// arg 2: duration
+void AnimDigDirtMound(struct Sprite *sprite)
+{
+    s8 battler;
+
+    if (gBattleAnimArgs[0] == 0)
+        battler = gBattleAnimAttacker;
+    else
+        battler = gBattleAnimTarget;
+
+    sprite->pos1.x = GetBattlerSpriteCoord(battler, 0) - 16 + (gBattleAnimArgs[1] * 32);
+    sprite->pos1.y = GetBattlerYCoordWithElevation(battler) + 32;
+    sprite->oam.tileNum += gBattleAnimArgs[1] * 8;
+    StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->callback = WaitAnimForDuration;
+}
+
+void sub_81152DC(u8 taskId)
+{
+    u16 i;
+    struct Task *task = &gTasks[taskId];
+
+    if (gBattleAnimArgs[1])
+        task->data[14] = task->data[15] = gBattleAnimArgs[1] + 3;
+    else
+        task->data[14] = task->data[15] = (gAnimMovePower / 10) + 3;
+
+    task->data[3] = gBattleAnimArgs[2];
+    switch (gBattleAnimArgs[0])
+    {
+    case 5:
+        task->data[13] = gBattle_BG3_X;
+        task->func = sub_81153AC;
+        break;
+    case 4:
+        task->data[13] = 0;
+        for (i = 0; i < MAX_BATTLERS_COUNT; i++)
+        {
+            if (IsBattlerSpriteVisible(i))
+            {
+                task->data[task->data[13] + 9] = gBattlerSpriteIds[i];
+                task->data[13]++;
+            }
+        }
+        task->func = sub_81154A4;
+        break;
+    default:
+        task->data[9] = GetAnimBattlerSpriteId(gBattleAnimArgs[0]);
+        if (task->data[9] == 0xFF)
+        {
+            DestroyAnimVisualTask(taskId);
+        }
+        else
+        {
+            task->data[13] = 1;
+            task->func = sub_81154A4;
+        }
+
+        break;
+    }
+}
+
+static void sub_81153AC(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        if (++task->data[1] > 1)
+        {
+            task->data[1] = 0;
+            if ((task->data[2] & 1) == 0)
+                gBattle_BG3_X = task->data[13] + task->data[15];
+            else
+                gBattle_BG3_X = task->data[13] - task->data[15];
+
+            if (++task->data[2] == task->data[3])
+            {
+                task->data[2] = 0;
+                task->data[14]--;
+                task->data[0]++;
+            }
+        }
+        break;
+    case 1:
+        if (++task->data[1] > 1)
+        {
+            task->data[1] = 0;
+            if ((task->data[2] & 1) == 0)
+                gBattle_BG3_X = task->data[13] + task->data[14];
+            else
+                gBattle_BG3_X = task->data[13] - task->data[14];
+
+            if (++task->data[2] == 4)
+            {
+                task->data[2] = 0;
+                if (--task->data[14] == 0)
+                    task->data[0]++;
+            }
+        }
+        break;
+    case 2:
+        gBattle_BG3_X = task->data[13];
+        DestroyAnimVisualTask(taskId);
+        break;
+    }
+}
+
+static void sub_81154A4(u8 taskId)
+{
+    u16 i;
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        if (++task->data[1] > 1)
+        {
+            task->data[1] = 0;
+            sub_8115588(task);
+            if (++task->data[2] == task->data[3])
+            {
+                task->data[2] = 0;
+                task->data[14]--;
+                task->data[0]++;
+            }
+        }
+        break;
+    case 1:
+        if (++task->data[1] > 1)
+        {
+            task->data[1] = 0;
+            sub_8115588(task);
+            if (++task->data[2] == 4)
+            {
+                task->data[2] = 0;
+                if (--task->data[14] == 0)
+                    task->data[0]++;
+            }
+        }
+        break;
+    case 2:
+        for (i = 0; i < task->data[13]; i++)
+            gSprites[task->data[9 + i]].pos2.x = 0;
+
+        DestroyAnimVisualTask(taskId);
+        break;
+    }
+}
+
+static void sub_8115588(struct Task *task)
+{
+    u16 i;
+    u16 xOffset;
+
+    if ((task->data[2] & 1) == 0)
+        xOffset = (task->data[14] / 2) + (task->data[14] & 1);
+    else
+        xOffset = -(task->data[14] / 2);
+
+    for (i = 0; i < task->data[13]; i++)
+    {
+        gSprites[task->data[9 + i]].pos2.x = xOffset;
+    }
+}
+
+void AnimTask_IsPowerOver99(u8 taskId)
+{
+    gBattleAnimArgs[15] = gAnimMovePower > 99;
+    DestroyAnimVisualTask(taskId);
+}
+
+void sub_8115628(u8 taskId)
+{
+    struct Task *newTask;
+    u8 battler = (gBattleAnimArgs[0] & 1) ? gBattleAnimTarget : gBattleAnimAttacker;
+
+    if (gBattleAnimArgs[0] > 1)
+        battler ^= 2;
+
+    newTask = &gTasks[CreateTask(sub_81156D0, gBattleAnimArgs[1])];
+    newTask->data[1] = (32 - GetBattlerSpriteCoord(battler, 2)) & 0x1FF;
+    newTask->data[2] = (64 - GetBattlerSpriteCoord(battler, 3)) & 0xFF;
+    gBattle_BG3_X = newTask->data[1];
+    gBattle_BG3_Y = newTask->data[2];
+    newTask->data[3] = gBattleAnimArgs[2];
+    DestroyAnimVisualTask(taskId);
+}
+
+static void sub_81156D0(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    if (gBattleAnimArgs[7] == task->data[3])
+    {
+        gBattle_BG3_X = 0;
+        gBattle_BG3_Y = 0;
+        DestroyTask(taskId);
+    }
+    else
+    {
+        gBattle_BG3_X = task->data[1];
+        gBattle_BG3_Y = task->data[2];
+    }
+}