1 files changed, 160 insertions, 0 deletions
diff --git a/src/battle/anim/hop.c b/src/battle/anim/hop.c
new file mode 100755
index 000000000..60f3b8a48
--- /dev/null
+++ b/src/battle/anim/hop.c
@@ -0,0 +1,160 @@
+#include "global.h"
+#include "rom_8077ABC.h"
+#include "trig.h"
+#include "battle_anim.h"
+
+extern s16 gBattleAnimArgs[];
+extern u8 gBattleAnimBankAttacker;
+extern u8 gBattleAnimBankTarget;
+
+// hop (where a sprite "hops" across the screen)
+// Used by Present, Trick, and the item knock off effect.
+
+void sub_80CB7EC(struct Sprite* sprite, s16 c)
+{
+    s32 a = (sprite->pos1.x * 256) | sprite->pos1.y;
+    s32 b = (sprite->data[6] * 256) | sprite->data[7];
+    c *= 256;
+    sprite->data[5] = a;
+    sprite->data[6] = b;
+    sprite->data[7] = c;
+}
+
+bool8 sub_80CB814(struct Sprite* sprite)
+{
+    u16 r10 = (u8)(sprite->data[5] >> 8);
+    u16 r9 = (u8)sprite->data[5];
+    s32 r2 = (u8)(sprite->data[6] >> 8);
+    s32 r4 = (u8)sprite->data[6];
+    s16 r6 = sprite->data[7] >> 8;
+    s16 r3 = sprite->data[7] & 0xFF;
+    s16 r4_2;
+    s16 r0;
+    s32 var1;
+    s32 var2;
+
+    if (r2 == 0)
+    {
+        r2 = -32;
+    }
+    else if (r2 == 255)
+    {
+        r2 = 0x110;
+    }
+
+    r4_2 = r4 - r9;
+    r0 = r2 - r10;
+    var1 = r0 * r3 / r6;
+    var2 = r4_2 * r3 / r6;
+    sprite->pos1.x = var1 + r10;
+    sprite->pos1.y = var2 + r9;
+    if (++r3 == r6)
+        return TRUE;
+
+    sprite->data[7] = (r6 << 8) | r3;
+    return FALSE;
+}
+
+void sub_80CB8B8(struct Sprite* sprite)
+{
+    if (sprite->data[0] == 10)
+    {
+        StartSpriteAffineAnim(sprite, 1);
+    }
+
+    sprite->data[0]++;
+    if (sprite->data[0] > 50)
+    {
+        move_anim_8072740(sprite);
+    }
+}
+
+void sub_80CB8E8(struct Sprite* sprite)
+{
+    sprite->data[0] += sprite->data[3] * 128 / sprite->data[4];
+    if (sprite->data[0] >= 128)
+    {
+        sprite->data[1]++;
+        sprite->data[0] = 0;
+    }
+
+    sprite->pos2.y = Sin(sprite->data[0] + 128, 30 - sprite->data[1] * 8);
+    if (sub_80CB814(sprite))
+    {
+        sprite->pos2.y = 0;
+        sprite->data[0] = 0;
+        sprite->callback = sub_80CB8B8;
+    }
+}
+
+void sub_80CB94C(struct Sprite* sprite)
+{
+    s16 e1;
+    s16 e2;
+    sub_80787B0(sprite, 0);
+    e1 = sub_8077ABC(gBattleAnimBankTarget, 0);
+    e2 = sub_8077ABC(gBattleAnimBankTarget, 1);
+    if ((gBattleAnimBankAttacker ^ 2) == gBattleAnimBankTarget)
+    {
+        sprite->data[6] = e1;
+        sprite->data[7] = e2 + 10;
+        sub_80CB7EC(sprite, 0x3C);
+        sprite->data[3] = 1;
+    }
+    else
+    {
+        sprite->data[6] = e1;
+        sprite->data[7] = e2 + 10;
+        sub_80CB7EC(sprite, 0x3C);
+        sprite->data[3] = 3;
+    }
+
+    sprite->data[4] = 0x3C;
+    sprite->callback = sub_80CB8E8;
+}
+
+void sub_80CB9C4(struct Sprite* sprite)
+{
+    int zero;
+    sprite->data[0] += ((sprite->data[3] * 128) / sprite->data[4]);
+    zero = 0;
+    if (sprite->data[0] > 0x7F)
+    {
+        sprite->data[1]++;
+        sprite->data[0] = zero;
+    }
+
+    sprite->pos2.y = Sin(sprite->data[0] + 0x80, 30 - sprite->data[1] * 8);
+    if (sub_80CB814(sprite))
+    {
+        sprite->pos2.y = zero;
+        sprite->data[0] = zero;
+        move_anim_8072740(sprite);
+    }
+}
+
+void sub_80CBA28(struct Sprite* sprite)
+{
+    s16 e = sub_8077ABC(gBattleAnimBankTarget, 1);
+    if (GetBankSide(gBattleAnimBankTarget) == 0)
+    {
+        sprite->data[6] = 0;
+        sprite->data[7] = e + 10;
+        sub_80CB7EC(sprite, 0x28);
+        sprite->data[3] = 3;
+        sprite->data[4] = 0x3C;
+        sprite->callback = sub_80CB8E8;
+    }
+    else
+    {
+        sprite->data[6] = 255;
+        sprite->data[7] = e + 10;
+        if (NotInBattle())
+            sprite->data[6] = 0;
+
+        sub_80CB7EC(sprite, 0x28);
+        sprite->data[3] = 3;
+        sprite->data[4] = 0x3C;
+        sprite->callback = sub_80CB9C4;
+    }
+}