#include "global.h"
#include "rom_8077ABC.h"
#include "trig.h"
#include "battle_anim.h"

extern s16 gBattleAnimArgs[];
extern u8 gBattleAnimBankAttacker;
extern u8 gBattleAnimBankTarget;

static void sub_80CAF20(struct Sprite* sprite);
static void sub_80CAF6C(struct Sprite* sprite);

// leaf
// Used by Razor Leaf and Twister.

void sub_80CAED8(struct Sprite* sprite)
{
    sprite->pos1.x = sub_8077ABC(gBattleAnimBankAttacker, 2);
    sprite->pos1.y = sub_8077ABC(gBattleAnimBankAttacker, 3);
    sprite->data[0] = gBattleAnimArgs[0];
    sprite->data[1] = gBattleAnimArgs[1];
    sprite->data[2] = gBattleAnimArgs[2];
    sprite->callback = sub_80CAF20;
}

void sub_80CAF20(struct Sprite* sprite)
{
    if (!sprite->data[2])
    {
        if (sprite->data[1] & 1)
        {
            sprite->data[0] = 0x80;
            sprite->data[1] = 0;
            sprite->data[2] = 0;
        }
        else
        {
            sprite->data[0] = sprite->data[1] & 1;
            sprite->data[1] = sprite->data[1] & 1;
            sprite->data[2] = sprite->data[1] & 1;
        }
        sprite->callback = sub_80CAF6C;
    }
    else
    {
        sprite->data[2]--;
        sprite->pos1.x += sprite->data[0];
        sprite->pos1.y += sprite->data[1];
    }
}

void sub_80CAF6C(struct Sprite* sprite)
{
    if (GetBankSide(gBattleAnimBankAttacker))
    {
        sprite->pos2.x = -Sin(sprite->data[0], 0x19);
    }
    else
    {
        sprite->pos2.x = Sin(sprite->data[0], 0x19);
    }

    sprite->data[0] = (sprite->data[0] + 2) & 0xFF;
    sprite->data[1]++;
    if (!(sprite->data[1] & 1))
    {
        sprite->pos2.y++;
    }

    if (sprite->data[1] > 0x50)
    {
        move_anim_8072740(sprite);
    }
}