1 files changed, 492 insertions, 0 deletions
diff --git a/src/battle_anim_bug.c b/src/battle_anim_bug.c
new file mode 100644
index 000000000..ea3df8098
--- /dev/null
+++ b/src/battle_anim_bug.c
@@ -0,0 +1,492 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "gpu_regs.h"
+#include "trig.h"
+#include "constants/rgb.h"
+
+static void AnimMegahornHorn(struct Sprite *);
+static void AnimLeechLifeNeedle(struct Sprite *);
+static void AnimTranslateWebThread(struct Sprite *);
+static void AnimTranslateWebThread_Step(struct Sprite *);
+static void AnimStringWrap(struct Sprite *);
+static void AnimStringWrap_Step(struct Sprite *);
+static void AnimSpiderWeb(struct Sprite *);
+static void AnimSpiderWeb_Step(struct Sprite *);
+static void AnimSpiderWeb_End(struct Sprite *);
+static void AnimTranslateStinger(struct Sprite *);
+static void AnimMissileArc(struct Sprite *);
+static void AnimMissileArc_Step(struct Sprite *);
+static void AnimTailGlowOrb(struct Sprite *);
+
+static const union AffineAnimCmd sAffineAnim_MegahornHorn_0[] =
+{
+    AFFINEANIMCMD_FRAME(0x100, 0x100, 30, 0),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd sAffineAnim_MegahornHorn_1[] =
+{
+    AFFINEANIMCMD_FRAME(0x100, 0x100, -99, 0),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd sAffineAnim_MegahornHorn_2[] =
+{
+    AFFINEANIMCMD_FRAME(0x100, 0x100, 94, 0),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd *const sAffineAnims_MegahornHorn[] =
+{
+    sAffineAnim_MegahornHorn_0,
+    sAffineAnim_MegahornHorn_1,
+    sAffineAnim_MegahornHorn_2,
+};
+
+const struct SpriteTemplate gMegahornHornSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_HORN_HIT_2,
+    .paletteTag = ANIM_TAG_HORN_HIT_2,
+    .oam = &gOamData_AffineDouble_ObjNormal_32x16,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = sAffineAnims_MegahornHorn,
+    .callback = AnimMegahornHorn,
+};
+
+static const union AffineAnimCmd sAffineAnim_LeechLifeNeedle_0[] =
+{
+    AFFINEANIMCMD_FRAME(0x0, 0x0, -33, 1),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd sAffineAnim_LeechLifeNeedle_1[] =
+{
+    AFFINEANIMCMD_FRAME(0x0, 0x0, 96, 1),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd sAffineAnim_LeechLifeNeedle_2[] =
+{
+    AFFINEANIMCMD_FRAME(0x0, 0x0, -96, 1),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd *const sAffineAnims_LeechLifeNeedle[] =
+{
+    sAffineAnim_LeechLifeNeedle_0,
+    sAffineAnim_LeechLifeNeedle_1,
+    sAffineAnim_LeechLifeNeedle_2,
+};
+
+const struct SpriteTemplate gLeechLifeNeedleSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_NEEDLE,
+    .paletteTag = ANIM_TAG_NEEDLE,
+    .oam = &gOamData_AffineNormal_ObjNormal_16x16,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = sAffineAnims_LeechLifeNeedle,
+    .callback = AnimLeechLifeNeedle,
+};
+
+const struct SpriteTemplate gWebThreadSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_WEB_THREAD,
+    .paletteTag = ANIM_TAG_WEB_THREAD,
+    .oam = &gOamData_AffineOff_ObjNormal_8x8,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimTranslateWebThread,
+};
+
+const struct SpriteTemplate gStringWrapSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_STRING,
+    .paletteTag = ANIM_TAG_STRING,
+    .oam = &gOamData_AffineOff_ObjNormal_64x32,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimStringWrap,
+};
+
+static const union AffineAnimCmd sAffineAnim_SpiderWeb[] =
+{
+    AFFINEANIMCMD_FRAME(0x10, 0x10, 0, 0),
+    AFFINEANIMCMD_FRAME(0x6, 0x6, 0, 1),
+    AFFINEANIMCMD_JUMP(1),
+};
+
+static const union AffineAnimCmd *const sAffineAnims_SpiderWeb[] =
+{
+    sAffineAnim_SpiderWeb,
+};
+
+const struct SpriteTemplate gSpiderWebSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_SPIDER_WEB,
+    .paletteTag = ANIM_TAG_SPIDER_WEB,
+    .oam = &gOamData_AffineDouble_ObjBlend_64x64,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = sAffineAnims_SpiderWeb,
+    .callback = AnimSpiderWeb,
+};
+
+const struct SpriteTemplate gLinearStingerSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_NEEDLE,
+    .paletteTag = ANIM_TAG_NEEDLE,
+    .oam = &gOamData_AffineNormal_ObjNormal_16x16,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimTranslateStinger,
+};
+
+const struct SpriteTemplate gPinMissileSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_NEEDLE,
+    .paletteTag = ANIM_TAG_NEEDLE,
+    .oam = &gOamData_AffineNormal_ObjNormal_16x16,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimMissileArc,
+};
+
+const struct SpriteTemplate gIcicleSpearSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_ICICLE_SPEAR,
+    .paletteTag = ANIM_TAG_ICICLE_SPEAR,
+    .oam = &gOamData_AffineNormal_ObjNormal_32x32,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimMissileArc,
+};
+
+static const union AffineAnimCmd sAffineAnim_TailGlowOrb[] =
+{
+    AFFINEANIMCMD_FRAME(0x10, 0x10, 0, 0),
+    AFFINEANIMCMD_FRAME(0x8, 0x8, 0, 18),
+    AFFINEANIMCMD_LOOP(0),
+    AFFINEANIMCMD_FRAME(0xFFFB, 0xFFFB, 0, 8),
+    AFFINEANIMCMD_FRAME(0x5, 0x5, 0, 8),
+    AFFINEANIMCMD_LOOP(5),
+    AFFINEANIMCMD_END,
+};
+
+static const union AffineAnimCmd *const sAffineAnims_TailGlowOrb[] =
+{
+    sAffineAnim_TailGlowOrb,
+};
+
+const struct SpriteTemplate gTailGlowOrbSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_CIRCLE_OF_LIGHT,
+    .paletteTag = ANIM_TAG_CIRCLE_OF_LIGHT,
+    .oam = &gOamData_AffineNormal_ObjBlend_64x64,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = sAffineAnims_TailGlowOrb,
+    .callback = AnimTailGlowOrb,
+};
+
+static void AnimMegahornHorn(struct Sprite *sprite)
+{
+    if (IsContest())
+    {
+        StartSpriteAffineAnim(sprite, 2);
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+    }
+    else if (!GetBattlerSide(gBattleAnimTarget))
+    {
+        StartSpriteAffineAnim(sprite, 1);
+        gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+        gBattleAnimArgs[3] = -gBattleAnimArgs[3];
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+    }
+
+    sprite->pos1.x = GetBattlerSpriteCoord2(gBattleAnimTarget, 2) + gBattleAnimArgs[0];
+    sprite->pos1.y = GetBattlerSpriteCoord2(gBattleAnimTarget, 3) + gBattleAnimArgs[1];
+    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);
+}
+
+static void AnimLeechLifeNeedle(struct Sprite *sprite)
+{
+    if (IsContest())
+    {
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+        StartSpriteAffineAnim(sprite, 2);
+    }
+    else if (!GetBattlerSide(gBattleAnimTarget))
+    {
+        gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+    }
+
+    sprite->pos1.x = GetBattlerSpriteCoord2(gBattleAnimTarget, 2) + gBattleAnimArgs[0];
+    sprite->pos1.y = GetBattlerSpriteCoord2(gBattleAnimTarget, 3) + gBattleAnimArgs[1];
+    sprite->data[0] = gBattleAnimArgs[2];
+
+    sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
+    sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3);
+
+    sprite->callback = StartAnimLinearTranslation;
+    StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
+}
+
+// Creates a single web thread that travels from attacker to target.
+// Used by MOVE_STRING_SHOT and MOVE_SPIDER_WEB in their first move phase.
+// arg 0: x
+// arg 1: y
+// arg 2: controls the left-to-right movement
+// arg 3: amplitude
+// arg 4: if targets both opponents
+static void AnimTranslateWebThread(struct Sprite *sprite)
+{
+    if (IsContest())
+        gBattleAnimArgs[2] /= 2;
+
+    InitSpritePosToAnimAttacker(sprite, TRUE);
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[1] = sprite->pos1.x;
+    sprite->data[3] = sprite->pos1.y;
+
+    if (!gBattleAnimArgs[4])
+    {
+        sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
+        sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3);
+    }
+    else
+    {
+        SetAverageBattlerPositions(gBattleAnimTarget, 1, &sprite->data[2], &sprite->data[4]);
+    }
+
+    sub_80A6FD4(sprite);
+    sprite->data[5] = gBattleAnimArgs[3];
+    sprite->callback = AnimTranslateWebThread_Step;
+}
+
+static void AnimTranslateWebThread_Step(struct Sprite *sprite)
+{
+    if (AnimTranslateLinear(sprite))
+    {
+        DestroyAnimSprite(sprite);
+        return;
+    }
+
+    sprite->pos2.x += Sin(sprite->data[6], sprite->data[5]);
+    sprite->data[6] = (sprite->data[6] + 13) & 0xFF;
+}
+
+// Second stage of String Shot
+static void AnimStringWrap(struct Sprite *sprite)
+{
+    SetAverageBattlerPositions(gBattleAnimTarget, 0, &sprite->pos1.x, &sprite->pos1.y);
+    if (GetBattlerSide(gBattleAnimAttacker))
+        sprite->pos1.x -= gBattleAnimArgs[0];
+    else
+        sprite->pos1.x += gBattleAnimArgs[0];
+
+    sprite->pos1.y += gBattleAnimArgs[1];
+    if (!GetBattlerSide(gBattleAnimTarget))
+        sprite->pos1.y += 8;
+
+    sprite->callback = AnimStringWrap_Step;
+}
+
+static void AnimStringWrap_Step(struct Sprite *sprite)
+{
+    if (++sprite->data[0] == 3)
+    {
+        sprite->data[0] = 0;
+        sprite->invisible ^= 1;
+    }
+
+    if (++sprite->data[1] == 51)
+    {
+        DestroyAnimSprite(sprite);
+    }
+}
+
+static void AnimSpiderWeb(struct Sprite *sprite)
+{
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT2_ALL | BLDCNT_EFFECT_BLEND);
+    SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(16, 0));
+
+    sprite->data[0] = 16;
+    sprite->callback = AnimSpiderWeb_Step;
+}
+
+static void AnimSpiderWeb_Step(struct Sprite *sprite)
+{
+    if (sprite->data[2] < 20)
+    {
+        sprite->data[2]++;
+    }
+    else if (sprite->data[1]++ & 1)
+    {
+        sprite->data[0]--;
+        SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(sprite->data[0], 16 - sprite->data[0]));
+
+        if (sprite->data[0] == 0)
+        {
+            sprite->invisible = TRUE;
+            sprite->callback = AnimSpiderWeb_End;
+        }
+    }
+}
+
+static void AnimSpiderWeb_End(struct Sprite *sprite)
+{
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    DestroyAnimSprite(sprite);
+}
+
+// Translates a stinger sprite linearly to a destination location. The sprite is
+// initially rotated so that it appears to be traveling in a straight line.
+// 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 AnimTranslateStinger(struct Sprite *sprite)
+{
+    s16 lVarX, lVarY;
+    u16 rot;
+
+    if (IsContest())
+    {
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+    }
+    else
+    {
+        if (GetBattlerSide(gBattleAnimAttacker))
+        {
+            gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+            gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+            gBattleAnimArgs[3] = -gBattleAnimArgs[3];
+        }
+    }
+
+    if (!IsContest() && GetBattlerSide(gBattleAnimAttacker) == GetBattlerSide(gBattleAnimTarget))
+    {
+        if (GetBattlerPosition(gBattleAnimTarget) == B_POSITION_PLAYER_LEFT
+         || GetBattlerPosition(gBattleAnimTarget) == B_POSITION_OPPONENT_LEFT)
+        {
+            s16 temp1, temp2;
+
+            temp1 = gBattleAnimArgs[2];
+            gBattleAnimArgs[2] = -temp1;
+
+            temp2 = gBattleAnimArgs[0];
+            gBattleAnimArgs[0] = -temp2;
+        }
+    }
+
+    InitSpritePosToAnimAttacker(sprite, 1);
+
+    lVarX = GetBattlerSpriteCoord(gBattleAnimTarget, 2) + gBattleAnimArgs[2];
+    lVarY = GetBattlerSpriteCoord(gBattleAnimTarget, 3) + gBattleAnimArgs[3];
+    rot = ArcTan2Neg(lVarX - sprite->pos1.x, lVarY - sprite->pos1.y);
+    rot += 0xC000;
+    TrySetSpriteRotScale(sprite, FALSE, 0x100, 0x100, rot);
+
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[2] = lVarX;
+    sprite->data[4] = lVarY;
+
+    sprite->callback = StartAnimLinearTranslation;
+    StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
+}
+
+// Rotates sprite and moves it in an arc, so that it appears like a missle or arrow traveling.
+// 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
+// arg 5: wave amplitude
+static void AnimMissileArc(struct Sprite *sprite)
+{
+    InitSpritePosToAnimAttacker(sprite, 1);
+
+    if (GetBattlerSide(gBattleAnimAttacker))
+        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->data[5] = gBattleAnimArgs[5];
+    InitAnimArcTranslation(sprite);
+
+    sprite->callback = AnimMissileArc_Step;
+    sprite->invisible = TRUE;
+}
+
+static void AnimMissileArc_Step(struct Sprite *sprite)
+{
+    sprite->invisible = FALSE;
+
+    if (TranslateAnimHorizontalArc(sprite))
+    {
+        DestroyAnimSprite(sprite);
+    }
+    else
+    {
+        s16 tempData[8];
+        u16 *data = sprite->data;
+        u16 x1 = sprite->pos1.x;
+        s16 x2 = sprite->pos2.x;
+        u16 y1 = sprite->pos1.y;
+        s16 y2 = sprite->pos2.y;
+        int i;
+
+        for (i = 0; i < 8; i++)
+            tempData[i] = data[i];
+
+        x2 += x1;
+        y2 += y1;
+
+        if (!TranslateAnimHorizontalArc(sprite))
+        {
+            u16 rotation = ArcTan2Neg(sprite->pos1.x + sprite->pos2.x - x2,
+                                  sprite->pos1.y + sprite->pos2.y - y2);
+            rotation += 0xC000;
+            TrySetSpriteRotScale(sprite, FALSE, 0x100, 0x100, rotation);
+
+            for (i = 0; i < 8; i++)
+                data[i] = tempData[i];
+        }
+    }
+}
+
+static void AnimTailGlowOrb(struct Sprite *sprite)
+{
+    if (gBattleAnimArgs[0] == ANIM_ATTACKER)
+    {
+        sprite->pos1.x = GetBattlerSpriteCoord(gBattleAnimAttacker, 2);
+        sprite->pos1.y = GetBattlerSpriteCoord(gBattleAnimAttacker, 3) + 18;
+    }
+    else
+    {
+        sprite->pos1.x = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
+        sprite->pos1.y = GetBattlerSpriteCoord(gBattleAnimTarget, 3) + 18;
+    }
+
+    StoreSpriteCallbackInData6(sprite, DestroySpriteAndMatrix);
+    sprite->callback = RunStoredCallbackWhenAffineAnimEnds;
+}