Merge branch 'master' into assert

6 files changed, 1070 insertions, 17 deletions

diff --git a/src/battle/anim/bug.c b/src/battle/anim/bug.c
new file mode 100644
index 000000000..dbc0f75a5
--- /dev/null
+++ b/src/battle/anim/bug.c
@@ -0,0 +1,302 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "contest.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+// #include "util.h"
+
+extern s16 gBattleAnimArgs[];
+extern u8 gAnimBankAttacker;
+extern u8 gAnimBankTarget;
+
+static void sub_80DCA38(struct Sprite *sprite);
+static void sub_80DCAEC(struct Sprite *sprite);
+static void sub_80DCB5C(struct Sprite *sprite);
+static void sub_80DCBB4(struct Sprite *sprite);
+void sub_80DCD78(struct Sprite *sprite);
+
+// used in Move_MEGAHORN
+void sub_80DC824(struct Sprite *sprite)
+{
+    if (IsContest())
+    {
+        StartSpriteAffineAnim(sprite, 2);
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+    }
+    else if (!GetBankSide(gAnimBankTarget))
+    {
+        StartSpriteAffineAnim(sprite, 1);
+        gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+        gBattleAnimArgs[3] = -gBattleAnimArgs[3];
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+    }
+
+    sprite->pos1.x = sub_8077EE4(gAnimBankTarget, 2) + gBattleAnimArgs[0];
+    sprite->pos1.y = sub_8077EE4(gAnimBankTarget, 3) + gBattleAnimArgs[1];
+    sprite->data[0] = gBattleAnimArgs[4];
+
+    sprite->data[2] = GetBankPosition(gAnimBankTarget, 2) + gBattleAnimArgs[2];
+    sprite->data[4] = GetBankPosition(gAnimBankTarget, 3) + gBattleAnimArgs[3];
+
+    sprite->callback = sub_8078B34;
+    StoreSpriteCallbackInData(sprite, DestroyAnimSprite);
+}
+
+// used in Move_LEECH_LIFE
+void sub_80DC8F4(struct Sprite *sprite)
+{
+    if (IsContest())
+    {
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+        StartSpriteAffineAnim(sprite, 2);
+    }
+    else if (!GetBankSide(gAnimBankTarget))
+    {
+        gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+    }
+
+    sprite->pos1.x = sub_8077EE4(gAnimBankTarget, 2) + gBattleAnimArgs[0];
+    sprite->pos1.y = sub_8077EE4(gAnimBankTarget, 3) + gBattleAnimArgs[1];
+    sprite->data[0] = gBattleAnimArgs[2];
+
+    sprite->data[2] = GetBankPosition(gAnimBankTarget, 2);
+    sprite->data[4] = GetBankPosition(gAnimBankTarget, 3);
+
+    sprite->callback = sub_8078B34;
+    StoreSpriteCallbackInData(sprite, DestroyAnimSprite);
+}
+
+// used in 2 moves:
+//         Move_STRING_SHOT, Move_SPIDER_WEB
+void sub_80DC9A0(struct Sprite *sprite)
+{
+    if (IsContest())
+        gBattleAnimArgs[2] /= 2;
+
+    sub_80787B0(sprite, 1);
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[1] = sprite->pos1.x;
+    sprite->data[3] = sprite->pos1.y;
+
+    if (!gBattleAnimArgs[4])
+    {
+        sprite->data[2] = GetBankPosition(gAnimBankTarget, 2);
+        sprite->data[4] = GetBankPosition(gAnimBankTarget, 3);
+    }
+    else
+    {
+        sub_807A3FC(gAnimBankTarget, 1, &sprite->data[2], &sprite->data[4]);
+    }
+
+    sub_8078BD4(sprite);
+    sprite->data[5] = gBattleAnimArgs[3];
+    sprite->callback = sub_80DCA38;
+}
+
+static void sub_80DCA38(struct Sprite *sprite)
+{
+    if (sub_8078B5C(sprite))
+    {
+        DestroyAnimSprite(sprite);
+        return;
+    }
+
+    sprite->pos2.x += Sin(sprite->data[6], sprite->data[5]);
+    sprite->data[6] = (sprite->data[6] + 13) & 0xFF;
+}
+
+// used in Move_STRING_SHOT
+void sub_80DCA70(struct Sprite *sprite)
+{
+    sub_807A3FC(gAnimBankTarget, 0, &sprite->pos1.x, &sprite->pos1.y);
+    if (GetBankSide(gAnimBankAttacker))
+        sprite->pos1.x -= gBattleAnimArgs[0];
+    else
+        sprite->pos1.x += gBattleAnimArgs[0];
+
+    sprite->pos1.y += gBattleAnimArgs[1];
+    if (!GetBankSide(gAnimBankTarget))
+        sprite->pos1.y += 8;
+
+    sprite->callback = sub_80DCAEC;
+}
+
+static void sub_80DCAEC(struct Sprite *sprite)
+{
+    if (++sprite->data[0] == 3)
+    {
+        sprite->data[0] = 0;
+        sprite->invisible ^= 1;
+    }
+
+    if (++sprite->data[1] == 51)
+    {
+        DestroyAnimSprite(sprite);
+    }
+}
+
+// used in Move_SPIDER_WEB
+void sub_80DCB38(struct Sprite *sprite)
+{
+    REG_BLDCNT = 0x3F40;
+    REG_BLDALPHA = 16;
+
+    sprite->data[0] = 16;
+    sprite->callback = sub_80DCB5C;
+}
+
+static void sub_80DCB5C(struct Sprite *sprite)
+{
+    if (sprite->data[2] < 20)
+    {
+        sprite->data[2]++;
+    }
+    else if (sprite->data[1]++ & 1)
+    {
+        sprite->data[0]--;
+        REG_BLDALPHA = sprite->data[0] | ((16 - sprite->data[0]) << 8);
+
+        if (sprite->data[0] == 0)
+        {
+            sprite->invisible = TRUE;
+            sprite->callback = sub_80DCBB4;
+        }
+    }
+}
+
+static void sub_80DCBB4(struct Sprite *sprite)
+{
+    REG_BLDCNT = 0;
+    REG_BLDALPHA = 0;
+    DestroyAnimSprite(sprite);
+}
+
+// used in 3 moves:
+//         Move_POISON_STING, Move_TWINEEDLE, Move_SPIKE_CANNON
+void sub_80DCBCC(struct Sprite *sprite)
+{
+    s16 lVarX, lVarY;
+    u16 rot;
+
+    if (IsContest())
+    {
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+    }
+    else
+    {
+        if (GetBankSide(gAnimBankAttacker))
+        {
+            gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+            gBattleAnimArgs[1] = -gBattleAnimArgs[1];
+            gBattleAnimArgs[3] = -gBattleAnimArgs[3];
+        }
+    }
+
+    if (!IsContest())
+    {
+        if (GetBankSide(gAnimBankAttacker) == GetBankSide(gAnimBankTarget))
+        {
+            if (GetBankIdentity(gAnimBankTarget) == 0 || GetBankIdentity(gAnimBankTarget) == 1)
+            {
+                s16 temp1, temp2;
+
+                temp1 = gBattleAnimArgs[2];
+                gBattleAnimArgs[2] = -temp1;
+
+                temp2 = gBattleAnimArgs[0];
+                gBattleAnimArgs[0] = -temp2;
+            }
+        }
+    }
+
+    sub_80787B0(sprite, 1);
+
+    lVarX = GetBankPosition(gAnimBankTarget, 2) + gBattleAnimArgs[2];
+    lVarY = GetBankPosition(gAnimBankTarget, 3) + gBattleAnimArgs[3];
+    rot = sub_80790F0(lVarX - sprite->pos1.x, lVarY - sprite->pos1.y);
+    rot += 0xC000;
+    sub_8078FDC(sprite, FALSE, 0x100, 0x100, rot);
+
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[2] = lVarX;
+    sprite->data[4] = lVarY;
+
+    sprite->callback = sub_8078B34;
+    StoreSpriteCallbackInData(sprite, DestroyAnimSprite);
+}
+
+// used in 2 moves:
+//         Move_PIN_MISSILE, Move_ICICLE_SPEAR
+void sub_80DCCFC(struct Sprite *sprite)
+{
+    sub_80787B0(sprite, 1);
+
+    if (GetBankSide(gAnimBankAttacker))
+        gBattleAnimArgs[2] = -gBattleAnimArgs[2];
+
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[2] = GetBankPosition(gAnimBankTarget, 2) + gBattleAnimArgs[2];
+    sprite->data[4] = GetBankPosition(gAnimBankTarget, 3) + gBattleAnimArgs[3];
+    sprite->data[5] = gBattleAnimArgs[5];
+    sub_80786EC(sprite);
+
+    sprite->callback = sub_80DCD78;
+    sprite->invisible = TRUE;
+}
+
+void sub_80DCD78(struct Sprite *sprite)
+{
+    sprite->invisible = FALSE;
+
+    if (sub_8078718(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 (!sub_8078718(sprite))
+        {
+            u16 rot = sub_80790F0(sprite->pos1.x + sprite->pos2.x - x2,
+                                  sprite->pos1.y + sprite->pos2.y - y2);
+            rot += 0xC000;
+            sub_8078FDC(sprite, FALSE, 0x100, 0x100, rot);
+
+            for (i = 0; i < 8; i++)
+                data[i] = tempData[i];
+        }
+    }
+}
+
+void sub_80DCE40(struct Sprite *sprite)
+{
+    if (gBattleAnimArgs[0] == 0)
+    {
+        sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2);
+        sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3) + 18;
+    }
+    else
+    {
+        sprite->pos1.x = GetBankPosition(gAnimBankTarget, 2);
+        sprite->pos1.y = GetBankPosition(gAnimBankTarget, 3) + 18;
+    }
+
+    StoreSpriteCallbackInData(sprite, move_anim_8074EE0);
+    sprite->callback = sub_80785E4;
+}
diff --git a/src/battle/anim/dark.c b/src/battle/anim/dark.c
new file mode 100755
index 000000000..8ceb00298
--- /dev/null
+++ b/src/battle/anim/dark.c
@@ -0,0 +1,138 @@
+#include "global.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+#include "battle_anim.h"
+#include "sound.h"
+#include "scanline_effect.h"
+
+void sub_80DFE90(struct Sprite *sprite);
+
+void sub_80DFC9C(u8 taskId);
+void sub_80DFD58(u8 taskId);
+
+extern s16 gBattleAnimArgs[];
+extern u8 gAnimBankAttacker;
+extern u8 gAnimBankTarget;
+extern u8 gObjectBankIDs[];
+
+// used in Smoke Ball escape, Sky Attack, Feint Attack and Camouflage
+
+void sub_80DFC24(u8 taskId)
+{
+    int bank;
+    gTasks[taskId].data[0] = gBattleAnimArgs[0];
+    bank = gAnimBankAttacker;
+    gTasks[taskId].data[1] = 16;
+    REG_BLDALPHA = 16;
+    if (GetBankIdentity_permutated(bank) == 1)
+        REG_BLDCNT = 0x3F42;
+    else
+        REG_BLDCNT = 0x3F44;
+    gTasks[taskId].func = sub_80DFC9C;
+}
+
+void sub_80DFC9C(u8 taskId)
+{
+    u8 r2 = gTasks[taskId].data[1] >> 8;
+    u8 r1 = gTasks[taskId].data[1];
+    if (gTasks[taskId].data[2] == (u8)gTasks[taskId].data[0])
+    {
+        r2++;
+        r1--;
+        gTasks[taskId].data[1] = (r2 << 8) | r1;
+        REG_BLDALPHA = (r2 << 8) | r1;
+        gTasks[taskId].data[2] = 0;
+        if (r2 == 16)
+        {
+            gSprites[gObjectBankIDs[gAnimBankAttacker]].invisible = 1;
+            DestroyAnimVisualTask(taskId);
+        }
+    }
+    else
+        gTasks[taskId].data[2]++;
+}
+
+void sub_80DFD24(u8 taskId)
+{
+    gTasks[taskId].data[0] = gBattleAnimArgs[0];
+    gTasks[taskId].data[1] = 0x1000;
+    gTasks[taskId].func = sub_80DFD58;
+    REG_BLDALPHA = 0x1000;
+}
+
+void sub_80DFD58(u8 taskId)
+{
+    u8 r1 = gTasks[taskId].data[1] >> 8;
+    u8 r5 = gTasks[taskId].data[1];
+    if (gTasks[taskId].data[2] == (u8)gTasks[taskId].data[0])
+    {
+        r1--;
+        r5++;
+        gTasks[taskId].data[1] = (r1 << 8) | r5;
+        REG_BLDALPHA = (r1 << 8) | r5;
+        gTasks[taskId].data[2] = 0;
+        if (r1 == 0)
+        {
+            REG_BLDCNT = 0;
+            REG_BLDALPHA = 0;
+            DestroyAnimVisualTask(taskId);
+        }
+    }
+    else
+        gTasks[taskId].data[2]++;
+}
+
+// unlike the above is only used in Feint Attack
+
+void sub_80DFDC0(u8 taskId)
+{
+    REG_BLDALPHA = 0x1000;
+    if (GetBankIdentity_permutated(gAnimBankAttacker) == 1)
+        REG_BLDCNT = 0x3F42;
+    else
+        REG_BLDCNT = 0x3F44;
+    DestroyAnimVisualTask(taskId);
+}
+
+// unused sprite template's callback
+
+void sub_80DFE14(struct Sprite *sprite)
+{
+    sprite->data[1] = GetBankPosition(gAnimBankTarget, 2);
+    sprite->data[2] = GetBankPosition(gAnimBankAttacker, 2);
+    sprite->data[3] = GetBankPosition(gAnimBankTarget, 3);
+    sprite->data[4] = GetBankPosition(gAnimBankAttacker, 3);
+    sprite->data[0] = 0x7E;
+    sub_8078A5C(sprite);
+    sprite->data[3] = -sprite->data[1];
+    sprite->data[4] = -sprite->data[2];
+    sprite->data[6] = 0xFFD8;
+    sprite->callback = sub_80DFE90;
+    sub_80DFE90(sprite);
+}
+
+void sub_80DFE90(struct Sprite *sprite)
+{
+    sprite->data[3] += sprite->data[1];
+    sprite->data[4] += sprite->data[2];
+    sprite->pos2.x = sprite->data[3] >> 8;
+    sprite->pos2.y = sprite->data[4] >> 8;
+    if (sprite->data[7] == 0)
+    {
+        sprite->data[3] += sprite->data[1];
+        sprite->data[4] += sprite->data[2];
+        sprite->pos2.x = sprite->data[3] >> 8;
+        sprite->pos2.y = sprite->data[4] >> 8;
+        sprite->data[0]--;
+    }
+    sprite->pos2.y += Sin(sprite->data[5], sprite->data[6]);
+    sprite->data[5] = (sprite->data[5] + 3) & 0xFF;
+    if (sprite->data[5] > 0x7F)
+    {
+        sprite->data[5] = 0;
+        sprite->data[6] += 20;
+        sprite->data[7]++;
+    }
+    if (--sprite->data[0] == 0)
+        DestroyAnimSprite(sprite);
+}
diff --git a/src/battle/anim/dragon.c b/src/battle/anim/dragon.c
new file mode 100755
index 000000000..bf39e01c0
--- /dev/null
+++ b/src/battle/anim/dragon.c
@@ -0,0 +1,275 @@
+#include "global.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+#include "battle_anim.h"
+#include "sound.h"
+#include "scanline_effect.h"
+
+void sub_80DF81C(struct Sprite *sprite);
+void sub_80DFBD8(struct Sprite *sprite);
+
+void sub_80DF9F4(u8 taskId);
+
+void sub_80DFAB0(struct Task *task);
+
+extern s16 gBattleAnimArgs[];
+extern u8 gAnimBankAttacker;
+extern u8 gAnimBankTarget;
+extern u8 gBankAttacker;
+extern u16 gBattle_BG1_X;
+extern u16 gBattle_BG2_X;
+extern u16 gUnknown_03000730[];
+extern u8 gObjectBankIDs[];
+
+// Outrage
+
+void sub_80DF5A0(struct Sprite *sprite)
+{
+    sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2);
+    sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3);
+    if (GetBankSide(gAnimBankAttacker))
+    {
+        sprite->pos1.x -= gBattleAnimArgs[0];
+        gBattleAnimArgs[3] = -gBattleAnimArgs[3];
+        gBattleAnimArgs[4] = -gBattleAnimArgs[4];
+    }
+    else
+        sprite->pos1.x += gBattleAnimArgs[0];
+    sprite->pos1.y += gBattleAnimArgs[1];
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[1] = gBattleAnimArgs[3];
+    sprite->data[3] = gBattleAnimArgs[4];
+    sprite->data[5] = gBattleAnimArgs[5];
+    sprite->invisible = 1;
+    StoreSpriteCallbackInData(sprite, move_anim_8074EE0);
+    sprite->callback = sub_8078504;
+}
+
+// part of Dragon Breath
+
+void sub_80DF63C(struct Sprite *sprite)
+{
+    sub_8078650(sprite);
+    sprite->data[2] = GetBankPosition(gAnimBankTarget, 2);
+    sprite->data[4] = GetBankPosition(gAnimBankTarget, 3);
+    if (GetBankSide(gAnimBankAttacker))
+    {
+        sprite->pos1.x -= gBattleAnimArgs[1];
+        sprite->pos1.y += gBattleAnimArgs[1];
+        sprite->data[2] -= gBattleAnimArgs[2];
+        sprite->data[4] += gBattleAnimArgs[3];
+    }
+    else
+    {
+        sprite->pos1.x += gBattleAnimArgs[0];
+        sprite->pos1.y += gBattleAnimArgs[1];
+        sprite->data[2] += gBattleAnimArgs[2];
+        sprite->data[4] += gBattleAnimArgs[3];
+        StartSpriteAnim(sprite, 1);
+    }
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->callback = sub_8078B34;
+    StoreSpriteCallbackInData(sprite, move_anim_8074EE0);
+}
+
+// Dragon Rage
+
+void sub_80DF6F0(struct Sprite *sprite)
+{
+    if (gBattleAnimArgs[0] == 0)
+    {
+        sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 0);
+        sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 1);
+    }
+    else
+    {
+        sprite->pos1.x = GetBankPosition(gAnimBankTarget, 0);
+        sprite->pos1.y = GetBankPosition(gAnimBankTarget, 1);
+    }
+    sub_807867C(sprite, gBattleAnimArgs[1]);
+    sprite->pos1.y += gBattleAnimArgs[2];
+    sprite->callback = sub_8078600;
+    StoreSpriteCallbackInData(sprite, move_anim_8074EE0);
+}
+
+// Dragon Breath init
+
+void sub_80DF760(struct Sprite *sprite)
+{
+    if (GetBankSide(gAnimBankAttacker))
+        StartSpriteAffineAnim(sprite, 1);
+    sub_80DF63C(sprite);
+}
+
+//next 2 tasks might be Dragon Dance orbs?
+
+void sub_80DF78C(struct Sprite *sprite)
+{
+    u16 r5;
+    u16 r0;
+    sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2);
+    sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3);
+    sprite->data[4] = 0;
+    sprite->data[5] = 1;
+    sprite->data[6] = gBattleAnimArgs[0];
+    r5 = sub_807A100(gBankAttacker, 0);
+    r0 = sub_807A100(gBankAttacker, 1);
+    if (r5 > r0)
+        sprite->data[7] = r5 / 2;
+    else
+        sprite->data[7] = r0 / 2;
+    sprite->pos2.x = Cos(sprite->data[6], sprite->data[7]);
+    sprite->pos2.y = Sin(sprite->data[6], sprite->data[7]);
+    sprite->callback = sub_80DF81C;
+}
+
+void sub_80DF81C(struct Sprite *sprite)
+{
+    switch (sprite->data[0])
+    {
+    case 0:
+        sprite->data[6] = (sprite->data[6] - sprite->data[5]) & 0xFF;
+        sprite->pos2.x = Cos(sprite->data[6], sprite->data[7]);
+        sprite->pos2.y = Sin(sprite->data[6], sprite->data[7]);
+        if (++sprite->data[4] > 5)
+        {
+            sprite->data[4] = 0;
+            if (sprite->data[5] <= 15 && ++sprite->data[5] > 15)
+                sprite->data[5] = 16;
+        }
+        if (++sprite->data[3] > 0x3C)
+        {
+            sprite->data[3] = 0;
+            sprite->data[0]++;
+        }
+        break;
+    case 1:
+        sprite->data[6] = (sprite->data[6] - sprite->data[5]) & 0xFF;
+        if (sprite->data[7] <= 0x95 && (sprite->data[7] += 8) > 0x95)
+            sprite->data[7] = 0x96;
+        sprite->pos2.x = Cos(sprite->data[6], sprite->data[7]);
+        sprite->pos2.y = Sin(sprite->data[6], sprite->data[7]);
+        if (++sprite->data[4] > 5)
+        {
+            sprite->data[4] = 0;
+            if (sprite->data[5] <= 15 && ++sprite->data[5] > 15)
+                sprite->data[5] = 16;
+        }
+        if (++sprite->data[3] > 20)
+            DestroyAnimSprite(sprite);
+        break;
+    }
+}
+
+// Dragon Dance scanline eff
+
+void sub_80DF924(u8 taskId)
+{
+    struct ScanlineEffectParams sp;
+    struct Task *task = &gTasks[taskId];
+    u16 i;
+    u8 r1;
+    if (GetBankIdentity_permutated(gAnimBankAttacker) == 1)
+    {
+        sp.dmaDest = &REG_BG1HOFS;
+        task->data[2] = gBattle_BG1_X;
+    }
+    else
+    {
+        sp.dmaDest = &REG_BG2HOFS;
+        task->data[2] = gBattle_BG2_X;
+    }
+    sp.dmaControl = 0xA2600001;
+    sp.initState = 1;
+    sp.unused9 = 0;
+    r1 = sub_8077FC0(gAnimBankAttacker);
+    task->data[3] = r1 - 32;
+    task->data[4] = r1 + 32;
+    if (task->data[3] < 0)
+        task->data[3] = 0;
+    for(i = task->data[3];i <= task->data[4];i++)
+    {
+        gScanlineEffectRegBuffers[0][i] = task->data[2];
+        gScanlineEffectRegBuffers[1][i] = task->data[2];
+    }
+    ScanlineEffect_SetParams(sp);
+    task->func = sub_80DF9F4;
+}
+
+void sub_80DF9F4(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+    switch (task->data[0])
+    {
+    case 0:
+        if (++task->data[7] > 1)
+        {
+            task->data[7] = 0;
+            if (++task->data[6] == 3)
+                task->data[0]++;
+        }
+        sub_80DFAB0(task);
+        break;
+    case 1:
+        if (++task->data[1] > 0x3C)
+            task->data[0]++;
+        sub_80DFAB0(task);
+        break;
+    case 2:
+        if (++task->data[7] > 1)
+        {
+            task->data[7] = 0;
+            if (--task->data[6] == 0)
+                task->data[0]++;
+        }
+        sub_80DFAB0(task);
+        break;
+    case 3:
+        gScanlineEffect.state = 3;
+        task->data[0]++;
+        break;
+    case 4:
+        DestroyAnimVisualTask(taskId);
+        break;
+    }
+}
+
+void sub_80DFAB0(struct Task *task)
+{
+    u16 r3 = task->data[5];
+    u16 i;
+    for (i = task->data[3]; i <= task->data[4]; i++)
+    {
+        gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer][i] = ((gSineTable[r3] * task->data[6]) >> 7) + task->data[2];
+        r3 = (r3 + 8) & 0xFF;
+    }
+    task->data[5] = (task->data[5] + 9) & 0xFF;
+}
+
+// Overheat
+
+void sub_80DFB28(struct Sprite *sprite)
+{
+    int r6 = (gBattleAnimArgs[2] * 3) / 5;
+    int i;
+    sprite->pos1.x = GetBankPosition(gAnimBankAttacker, 2);
+    sprite->pos1.y = GetBankPosition(gAnimBankAttacker, 3) + gBattleAnimArgs[4];
+    sprite->data[1] = Cos(gBattleAnimArgs[1], gBattleAnimArgs[2]);
+    sprite->data[2] = Sin(gBattleAnimArgs[1], r6);
+    sprite->pos1.x += sprite->data[1] * gBattleAnimArgs[0];
+    sprite->pos1.y += sprite->data[2] * gBattleAnimArgs[0];
+    sprite->data[3] = gBattleAnimArgs[3];
+    sprite->callback = sub_80DFBD8;
+    for (i = 0; i <= 6; i++)
+        gUnknown_03000730[i] = sprite->data[i];
+}
+
+void sub_80DFBD8(struct Sprite *sprite)
+{
+    sprite->data[4] += sprite->data[1];
+    sprite->data[5] += sprite->data[2];
+    sprite->pos2.x = sprite->data[4] / 10;
+    sprite->pos2.y = sprite->data[5] / 10;
+    if (++sprite->data[0] > sprite->data[3])
+        DestroyAnimSprite(sprite);
+}
diff --git a/src/battle/anim/draw.c b/src/battle/anim/draw.c
index 3adb62e06..f9e505bf2 100755
--- a/src/battle/anim/draw.c
+++ b/src/battle/anim/draw.c
@@ -3,7 +3,7 @@
 #include "trig.h"
 #include "battle_anim.h"
 #include "sound.h"
-#include "unknown_task.h"
+#include "scanline_effect.h"
 
 extern s16 gBattleAnimArgs[];
 extern u8 gAnimBankAttacker;
@@ -21,7 +21,8 @@ static void sub_80D0E8C(struct Sprite* sprite);
 void sub_80D0C88(u8 taskId)
 {
     struct Task* task = &gTasks[taskId];
-    struct UnknownTaskStruct sp;
+    struct ScanlineEffectParams params;
+
     s16 i;
     task->data[0] = sub_8077FC0(gAnimBankTarget) + 32;
     task->data[1] = 4;
@@ -30,30 +31,31 @@ void sub_80D0C88(u8 taskId)
     task->data[4] = 0;
     task->data[5] = 0;
     task->data[15] = sub_807A100(gAnimBankTarget, 0);
+
     if (GetBankIdentity_permutated(gAnimBankTarget) == 1)
     {
         task->data[6] = gBattle_BG1_X;
-        sp.dest = (u16 *)REG_ADDR_BG1HOFS;
+        params.dmaDest = (u16 *)REG_ADDR_BG1HOFS;
     }
     else
     {
         task->data[6] = gBattle_BG2_X;
-        sp.dest = (u16 *)REG_ADDR_BG2HOFS;
+        params.dmaDest = (u16 *)REG_ADDR_BG2HOFS;
     }
 
     for (i = task->data[0] - 0x40; i <= task->data[0];i++)
     {
         if (i >= 0)
         {
-            gUnknown_03004DE0[0][i] = task->data[6] + 0xF0;
-            gUnknown_03004DE0[1][i] = task->data[6] + 0xF0;
+            gScanlineEffectRegBuffers[0][i] = task->data[6] + 0xF0;
+            gScanlineEffectRegBuffers[1][i] = task->data[6] + 0xF0;
         }
     }
 
-    sp.control = 0xa2600001;
-    sp.unk8 = 1;
-    sp.unk9 = 0;
-    sub_80895F8(sp);
+    params.dmaControl = SCANLINE_EFFECT_DMACNT_16BIT;
+    params.initState = 1;
+    params.unused9 = 0;
+    ScanlineEffect_SetParams(params);
     task->func = sub_80D0D68;
 }
 
@@ -91,13 +93,13 @@ void sub_80D0D68(u8 taskId)
 
             if (task->data[5] >= 0)
             {
-                gUnknown_03004DE0[0][task->data[5]] = task->data[6];
-                gUnknown_03004DE0[1][task->data[5]] = task->data[6];
+                gScanlineEffectRegBuffers[0][task->data[5]] = task->data[6];
+                gScanlineEffectRegBuffers[1][task->data[5]] = task->data[6];
             }
 
             if (++task->data[3] >= task->data[15])
             {
-                gUnknown_03004DC0.unk15 = 3;
+                gScanlineEffect.unk15 = 3;
                 DestroyAnimVisualTask(taskId);
             }
         }
@@ -178,7 +180,7 @@ _080D0DE0:\n\
 	ldrsh r0, [r3, r1]\n\
 	cmp r0, 0\n\
 	blt _080D0E04\n\
-	ldr r2, _080D0E28 @ =gUnknown_03004DE0\n\
+	ldr r2, _080D0E28 @ =gScanlineEffectRegBuffers\n\
 	lsls r0, 1\n\
 	adds r0, r2\n\
 	ldrh r1, [r3, 0x14]\n\
@@ -202,7 +204,7 @@ _080D0E04:\n\
 	ldrsh r1, [r3, r2]\n\
 	cmp r0, r1\n\
 	blt _080D0E22\n\
-	ldr r1, _080D0E2C @ =gUnknown_03004DC0\n\
+	ldr r1, _080D0E2C @ =gScanlineEffect\n\
 	movs r0, 0x3\n\
 	strb r0, [r1, 0x15]\n\
 	adds r0, r4, 0\n\
@@ -212,8 +214,8 @@ _080D0E22:\n\
 	pop {r0}\n\
 	bx r0\n\
 	.align 2, 0\n\
-_080D0E28: .4byte gUnknown_03004DE0\n\
-_080D0E2C: .4byte gUnknown_03004DC0\n\
+_080D0E28: .4byte gScanlineEffectRegBuffers\n\
+_080D0E2C: .4byte gScanlineEffect\n\
 .syntax divided\n");
 }
 #endif
diff --git a/src/battle/anim/poison.c b/src/battle/anim/poison.c
new file mode 100644
index 000000000..f31c441fb
--- /dev/null
+++ b/src/battle/anim/poison.c
@@ -0,0 +1,140 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+
+extern s16 gBattleAnimArgs[];
+extern u8 gAnimBankAttacker;
+extern u8 gAnimBankTarget;
+
+void sub_80D9DD4(struct Sprite *sprite);
+void sub_80D9E78(struct Sprite *sprite);
+void sub_80D9EE8(struct Sprite *sprite);
+void sub_80D9FF0(struct Sprite *sprite);
+
+void sub_80D9D70(struct Sprite *sprite)
+{
+    if (!gBattleAnimArgs[3])
+        StartSpriteAnim(sprite, 2);
+
+    sub_80787B0(sprite, 1);
+
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[2] = GetBankPosition(gAnimBankTarget, 2);
+    sprite->data[4] = GetBankPosition(gAnimBankTarget, 3);
+    sprite->data[5] = -30;
+
+    sub_80786EC(sprite);
+
+    sprite->callback = sub_80D9DD4;
+}
+
+void sub_80D9DD4(struct Sprite *sprite) // same as sub_80D9E78
+{
+    if (sub_8078718(sprite))
+        DestroyAnimSprite(sprite);
+}
+
+void sub_80D9DF0(struct Sprite *sprite)
+{
+    s16 l1, l2;
+    if (!gBattleAnimArgs[3])
+        StartSpriteAnim(sprite, 2);
+
+    sub_80787B0(sprite, 1);
+    sub_807A3FC(gAnimBankTarget, 1, &l1, &l2);
+
+    if (GetBankSide(gAnimBankAttacker))
+        gBattleAnimArgs[4] = -gBattleAnimArgs[4];
+
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[2] = l1 + gBattleAnimArgs[4];
+    sprite->data[4] = l2 + gBattleAnimArgs[5];
+    sprite->data[5] = -30;
+
+    sub_80786EC(sprite);
+
+    sprite->callback = sub_80D9E78;
+}
+
+void sub_80D9E78(struct Sprite *sprite) // same as sub_80D9DD4
+{
+    if (sub_8078718(sprite))
+        DestroyAnimSprite(sprite);
+}
+
+void sub_80D9E94(struct Sprite *sprite)
+{
+    sprite->data[0] = gBattleAnimArgs[2];
+    sprite->data[1] = sprite->pos1.x;
+    sprite->data[2] = sprite->pos1.x + gBattleAnimArgs[0];
+    sprite->data[3] = sprite->pos1.y;
+    sprite->data[4] = sprite->pos1.y + gBattleAnimArgs[1];
+
+    sub_8078A5C(sprite);
+
+    sprite->data[5] = sprite->data[1] / gBattleAnimArgs[2];
+    sprite->data[6] = sprite->data[2] / gBattleAnimArgs[2];
+
+    sprite->callback = sub_80D9EE8;
+}
+
+void sub_80D9EE8(struct Sprite *sprite)
+{
+    sub_8078394(sprite);
+
+    sprite->data[1] -= sprite->data[5];
+    sprite->data[2] -= sprite->data[6];
+
+    if (!sprite->data[0])
+        DestroyAnimSprite(sprite);
+}
+
+void sub_80D9F14(struct Sprite *sprite)
+{
+    sub_807A3FC(gAnimBankTarget, TRUE, &sprite->pos1.x, &sprite->pos1.y);
+
+    if (GetBankSide(gAnimBankAttacker))
+        gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+
+    sprite->pos1.x += gBattleAnimArgs[0];
+    sprite->pos1.y += gBattleAnimArgs[1];
+
+    sprite->data[0] = gBattleAnimArgs[4];
+    sprite->data[2] = sprite->pos1.x + gBattleAnimArgs[2];
+    sprite->data[4] = sprite->pos1.y + sprite->data[0];
+
+    sprite->callback = sub_8078B34;
+    StoreSpriteCallbackInData(sprite, DestroyAnimSprite);
+}
+
+void sub_80D9F88(struct Sprite *sprite)
+{
+    if (!gBattleAnimArgs[2])
+    {
+        sub_8078764(sprite, TRUE);
+    }
+    else
+    {
+        sub_807A3FC(gAnimBankTarget, TRUE, &sprite->pos1.x, &sprite->pos1.y);
+
+        if (GetBankSide(gAnimBankAttacker))
+            gBattleAnimArgs[0] = -gBattleAnimArgs[0];
+
+        sprite->pos1.x += gBattleAnimArgs[0];
+        sprite->pos1.y += gBattleAnimArgs[1];
+    }
+
+    sprite->callback = sub_80D9FF0;
+}
+
+void sub_80D9FF0(struct Sprite *sprite)
+{
+    sprite->data[0] = (sprite->data[0] + 0xB) & 0xFF;
+    sprite->pos2.x = Sin(sprite->data[0], 4);
+    sprite->data[1] += 0x30;
+    sprite->pos2.y = -(sprite->data[1] >> 8);
+
+    if (sprite->affineAnimEnded)
+        DestroyAnimSprite(sprite);
+}
\ No newline at end of file
diff --git a/src/battle/anim/wisp_fire.c b/src/battle/anim/wisp_fire.c
new file mode 100644
index 000000000..348ce6426
--- /dev/null
+++ b/src/battle/anim/wisp_fire.c
@@ -0,0 +1,196 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "blend_palette.h"
+#include "main.h"
+#include "rom_8077ABC.h"
+#include "task.h"
+#include "trig.h"
+
+extern s16 gBattleAnimArgs[];
+extern u8 gAnimBankTarget;
+extern u8 gAnimBankAttacker;
+
+extern u8 gObjectBankIDs[];
+extern s8 gUnknown_083D9794[16];
+extern s8 gUnknown_083D97A4[16];
+
+void sub_80D5E4C(u8 taskId);
+
+void sub_80D5CC0(struct Sprite *sprite)
+{
+    if (!sprite->data[0])
+    {
+        sprite->data[1] = gBattleAnimArgs[0];
+        sprite->data[0] += 1;
+    }
+
+    sprite->data[3] += 0xC0 * 2;
+    sprite->data[4] += 0xA0;
+
+    sprite->pos2.x = Sin(sprite->data[1], sprite->data[3] >> 8);
+    sprite->pos2.y = Cos(sprite->data[1], sprite->data[4] >> 8);
+
+    sprite->data[1] = (sprite->data[1] + 7) & 0xFF;
+
+    if (gMain.inBattle)
+    {
+        if (sprite->data[1] < 64 || sprite->data[1] > 195)
+            sprite->oam.priority = sub_8079ED4(gAnimBankTarget);
+        else
+            sprite->oam.priority = sub_8079ED4(gAnimBankTarget) + 1;
+    }
+    else
+    {
+        if (sprite->data[1] < 64 || sprite->data[1] > 195)
+            sprite->subpriority = 0x1D;
+        else
+            sprite->subpriority = 0x1F;
+    }
+
+    if (++sprite->data[2] > 0x14)
+        sprite->invisible ^= 1;
+
+    if (sprite->data[2] == 0x1E)
+        DestroyAnimSprite(sprite);
+}
+
+void sub_80D5DDC(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    task->data[12] = !GetBankSide(gAnimBankAttacker) ? 1 : -1;
+    task->data[13] = IsAnimBankSpriteVisible(gAnimBankTarget ^ 2) + 1;
+    task->data[14] = GetAnimBankSpriteId(1);
+    task->data[15] = GetAnimBankSpriteId(3);
+
+    task->func = sub_80D5E4C;
+}
+
+void sub_80D5E4C(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+        case 0:
+            task->data[10] += task->data[12] * 2;
+            if (++task->data[1] >= 2)
+            {
+                task->data[1] = 0;
+                task->data[2]++;
+                if (task->data[2] & 1)
+                    task->data[11] = 2;
+                else
+                    task->data[11] = -2;
+            }
+
+            for (task->data[3] = 0; task->data[3] < task->data[13]; task->data[3]++)
+            {
+                gSprites[task->data[task->data[3] + 14]].pos2.x = task->data[10] + task->data[11];
+            }
+
+            if (++task->data[9] == 16)
+            {
+                task->data[9] = 0;
+                task->data[0]++;
+            }
+            break;
+        case 1:
+            if (++task->data[1] >= 5)
+            {
+                task->data[1] = 0;
+                task->data[2]++;
+
+                if (task->data[2] & 1)
+                    task->data[11] = 2;
+                else
+                    task->data[11] = -2;
+            }
+
+            for (task->data[3] = 0; task->data[3] < task->data[13]; task->data[3]++)
+            {
+                gSprites[task->data[task->data[3] + 14]].pos2.x = task->data[10] + task->data[11];
+            }
+
+            if (++task->data[9] == 96)
+            {
+                task->data[9] = 0;
+                task->data[0]++;
+            }
+            break;
+        case 2:
+            task->data[10] -= task->data[12] * 2;
+
+            if (++task->data[1] >= 2)
+            {
+                task->data[1] = 0;
+                task->data[2]++;
+
+                if (task->data[2] & 1)
+                    task->data[11] = 2;
+                else
+                    task->data[11] = -2;
+            }
+
+            for (task->data[3] = 0; task->data[3] < task->data[13]; task->data[3]++)
+            {
+                gSprites[task->data[task->data[3] + 14]].pos2.x = task->data[10] + task->data[11];
+            }
+
+            if (++task->data[9] == 16)
+            {
+                task->data[0]++;
+            }
+            break;
+        case 3:
+            for (task->data[3] = 0; task->data[3] < task->data[13]; task->data[3]++)
+            {
+                gSprites[task->data[task->data[3] + 14]].pos2.x = 0;
+            }
+
+            DestroyAnimVisualTask(taskId);
+            break;
+    }
+}
+
+void sub_80D6080(u8 taskId)
+{
+    struct Struct_sub_8078914 unk;
+    sub_8078914(&unk);
+    BlendPalette(unk.field_8 << 4, 16, gBattleAnimArgs[0], gBattleAnimArgs[1]); // u16 palOffset, u16 numEntries, u8 coeff, u16 blendColor
+    DestroyAnimVisualTask(taskId);
+}
+
+void sub_80D60B4(u8 taskId)
+{
+    s8 unk;
+    u8 spriteId;
+
+    if (gTasks[taskId].data[0] == 0)
+    {
+        gTasks[taskId].data[1] = gBattleAnimArgs[0];
+        gTasks[taskId].data[2] = gBattleAnimArgs[1];
+        gTasks[taskId].data[3] = gBattleAnimArgs[2];
+        gTasks[taskId].data[4] = gBattleAnimArgs[3];
+    }
+    gTasks[taskId].data[0]++;
+
+    spriteId = gObjectBankIDs[gAnimBankTarget];
+
+    if (!gTasks[taskId].data[4])
+        unk = gUnknown_083D9794[gTasks[taskId].data[0] % 10];
+    else
+        unk = gUnknown_083D97A4[gTasks[taskId].data[0] % 10];
+
+    if (gTasks[taskId].data[3] == 1)
+        gSprites[spriteId].pos2.y = gBattleAnimArgs[1] * unk < 0 ? -(gBattleAnimArgs[1] * unk) : gBattleAnimArgs[1] * unk;
+    else
+        gSprites[spriteId].pos2.x = gBattleAnimArgs[1] * unk;
+
+    if (gTasks[taskId].data[0] == gTasks[taskId].data[1])
+    {
+        gSprites[spriteId].pos2.x = 0;
+        gSprites[spriteId].pos2.y = 0;
+        DestroyAnimVisualTask(taskId);
+    }
+}
\ No newline at end of file