ground

2 files changed, 725 insertions, 1 deletions

diff --git a/src/battle_anim_utility_funcs.c b/src/battle_anim_utility_funcs.c
index 5708785c0..e3624b6d9 100644
--- a/src/battle_anim_utility_funcs.c
+++ b/src/battle_anim_utility_funcs.c
@@ -148,7 +148,7 @@ void AnimTask_BlendParticle(u8 taskId)
     StartBlendAnimSpriteColor(taskId, selectedPalettes);
 }
 
-void StartBlendAnimSpriteColor(u8 taskId, u32 selectedPalettes)
+static void StartBlendAnimSpriteColor(u8 taskId, u32 selectedPalettes)
 {
     gTasks[taskId].data[0] = selectedPalettes;
     gTasks[taskId].data[1] = selectedPalettes >> 16;
diff --git a/src/ground.c b/src/ground.c
new file mode 100644
index 000000000..4e2a7bcf9
--- /dev/null
+++ b/src/ground.c
@@ -0,0 +1,724 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "random.h"
+#include "scanline_effect.h"
+#include "task.h"
+#include "trig.h"
+
+static void AnimBonemerangProjectile(struct Sprite *sprite);
+static void AnimBoneHitProjectile(struct Sprite *sprite);
+static void AnimDirtScatter(struct Sprite *sprite);
+static void AnimMudSportDirt(struct Sprite *sprite);
+static void AnimFissureDirtPlumeParticle(struct Sprite *sprite);
+static void AnimDigDirtMound(struct Sprite *sprite);
+static void AnimBonemerangProjectileStep(struct Sprite *sprite);
+static void AnimBonemerangProjectileEnd(struct Sprite *sprite);
+static void AnimMudSportDirtRising(struct Sprite *sprite);
+static void AnimMudSportDirtFalling(struct Sprite *sprite);
+static void sub_80B8ED4(u8 taskId);
+static void sub_80B908C(u8 taskId);
+static void sub_80B92B8(u8 useBg1, s16 y, s16 endY);
+static void sub_80B912C(u8 taskId);
+static void sub_80B91B0(u8 taskId);
+static void AnimFissureDirtPlumeParticleStep(struct Sprite *sprite);
+static void sub_80B9584(u8 taskId);
+static void sub_80B967C(u8 taskId);
+static void sub_80B9760(struct Task *task);
+static void sub_80B98A8(u8 taskId);
+
+static const union AffineAnimCmd gUnknown_83E7A00[] =
+{
+    AFFINEANIMCMD_FRAME(0x0, 0x0, 15, 1),
+    AFFINEANIMCMD_JUMP(0),
+};
+
+static const union AffineAnimCmd gUnknown_83E7A10[] =
+{
+    AFFINEANIMCMD_FRAME(0x0, 0x0, 20, 1),
+    AFFINEANIMCMD_JUMP(0),
+};
+
+static const union AffineAnimCmd *const gUnknown_83E7A20[] =
+{
+    gUnknown_83E7A00,
+};
+
+static const union AffineAnimCmd *const gUnknown_83E7A24[] =
+{
+    gUnknown_83E7A10,
+};
+
+const struct SpriteTemplate gUnknown_83E7A28 =
+{
+    .tileTag = ANIM_TAG_BONE,
+    .paletteTag = ANIM_TAG_BONE,
+    .oam = &gOamData_83ACA38,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gUnknown_83E7A20,
+    .callback = AnimBonemerangProjectile,
+};
+
+const struct SpriteTemplate gUnknown_83E7A40 =
+{
+    .tileTag = ANIM_TAG_BONE,
+    .paletteTag = ANIM_TAG_BONE,
+    .oam = &gOamData_83ACA38,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gUnknown_83E7A24,
+    .callback = AnimBoneHitProjectile,
+};
+
+const struct SpriteTemplate gUnknown_83E7A58 =
+{
+    .tileTag = ANIM_TAG_MUD_SAND,
+    .paletteTag = ANIM_TAG_MUD_SAND,
+    .oam = &gOamData_83AC9C8,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimDirtScatter,
+};
+
+static const union AnimCmd gUnknown_83E7A70[] =
+{
+    ANIMCMD_FRAME(1, 1),
+    ANIMCMD_END,
+};
+
+static const union AnimCmd *const gUnknown_83E7A78[] =
+{
+    gUnknown_83E7A70,
+};
+
+const struct SpriteTemplate gUnknown_83E7A7C =
+{
+    .tileTag = ANIM_TAG_MUD_SAND,
+    .paletteTag = ANIM_TAG_MUD_SAND,
+    .oam = &gOamData_83AC9D0,
+    .anims = gUnknown_83E7A78,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimDirtScatter,
+};
+
+const struct SpriteTemplate gUnknown_83E7A94 =
+{
+    .tileTag = ANIM_TAG_MUD_SAND,
+    .paletteTag = ANIM_TAG_MUD_SAND,
+    .oam = &gOamData_83AC9D0,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimMudSportDirt,
+};
+
+const struct SpriteTemplate gUnknown_83E7AAC =
+{
+    .tileTag = ANIM_TAG_MUD_SAND,
+    .paletteTag = ANIM_TAG_MUD_SAND,
+    .oam = &gOamData_83AC9C8,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimFissureDirtPlumeParticle,
+};
+
+const struct SpriteTemplate gUnknown_83E7AC4 =
+{
+    .tileTag = ANIM_TAG_DIRT_MOUND,
+    .paletteTag = ANIM_TAG_DIRT_MOUND,
+    .oam = &gOamData_83AC9F8,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .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.
+static 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 (TranslateAnimHorizontalArc(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 (TranslateAnimHorizontalArc(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
+static void AnimBoneHitProjectile(struct Sprite *sprite)
+{
+    InitSpritePosToAnimTarget(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
+static void AnimDirtScatter(struct Sprite *sprite)
+{
+    u8 targetXPos, targetYPos;
+    s16 xOffset, yOffset;
+
+    InitSpritePosToAnimAttacker(sprite, 1);
+    targetXPos = GetBattlerSpriteCoord2(gBattleAnimTarget, 2);
+    targetYPos = GetBattlerSpriteCoord2(gBattleAnimTarget, 3);
+    xOffset = Random() & 0x1F;
+    yOffset = Random() & 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, DestroySpriteAndMatrix);
+}
+
+// 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
+static 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_80B8E94(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    if (gBattleAnimArgs[0] == 0)
+        task->func = sub_80B8ED4;
+    else
+        task->func = sub_80B908C;
+    task->func(taskId);
+}
+
+static void sub_80B8ED4(u8 taskId)
+{
+    u8 var0;
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[10] = GetAnimBattlerSpriteId(0);
+        task->data[11] = GetBattlerSpriteBGPriorityRank(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_80B92B8(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_80B908C(u8 taskId)
+{
+    u8 spriteId = GetAnimBattlerSpriteId(0);
+
+    gSprites[spriteId].invisible = 1;
+    gSprites[spriteId].pos2.x = 0;
+    gSprites[spriteId].pos2.y = 0;
+    if (GetBattlerSpriteBGPriorityRank(gBattleAnimAttacker) == 1)
+        gBattle_BG1_Y = 0;
+    else
+        gBattle_BG2_Y = 0;
+    DestroyAnimVisualTask(taskId);
+}
+
+void sub_80B90EC(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    if (gBattleAnimArgs[0] == 0)
+        task->func = sub_80B912C;
+    else
+        task->func = sub_80B91B0;
+
+    task->func(taskId);
+}
+
+static void sub_80B912C(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_80B91B0(u8 taskId)
+{
+    u8 var0;
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[10] = GetAnimBattlerSpriteId(0);
+        task->data[11] = GetBattlerSpriteBGPriorityRank(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_80B92B8(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_80B92B8(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
+static 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 (TranslateAnimHorizontalArc(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
+static 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_80B94B4(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_80B9584;
+        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_80B967C;
+        break;
+    default:
+        task->data[9] = GetAnimBattlerSpriteId(gBattleAnimArgs[0]);
+        if (task->data[9] == 0xFF)
+        {
+            DestroyAnimVisualTask(taskId);
+        }
+        else
+        {
+            task->data[13] = 1;
+            task->func = sub_80B967C;
+        }
+
+        break;
+    }
+}
+
+static void sub_80B9584(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_80B967C(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_80B9760(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_80B9760(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_80B9760(struct Task *task)
+{
+    u16 i, 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_80B9800(u8 taskId)
+{
+    struct Task *newTask;
+    u8 battler = (gBattleAnimArgs[0] & 1) ? gBattleAnimTarget : gBattleAnimAttacker;
+
+    if (gBattleAnimArgs[0] > 1)
+        battler ^= BIT_FLANK;
+    newTask = &gTasks[CreateTask(sub_80B98A8, 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_80B98A8(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];
+    }
+}