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path: root/src/battle/anim/wisp_orb.c
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#include "global.h"
#include "battle_anim.h"
#include "constants/songs.h"
#include "rom_8077ABC.h"
#include "sound.h"
#include "trig.h"

extern s16 gBattleAnimArgs[8];
extern u8 gBattleAnimBankAttacker;
extern u8 gBattleAnimBankTarget;
extern u16 gBattleTypeFlags;
extern u8 gUnknown_0202F7D2;

static void sub_80D5C5C(struct Sprite *);

// wisp_orb (animates the wisp orbs)
// Used in Will-O-Wisp

void sub_80D5B0C(struct Sprite *sprite)
{
    switch (sprite->data[0])
    {
    case 0:
        sub_80787B0(sprite, 0);
        StartSpriteAnim(sprite, gBattleAnimArgs[2]);
        sprite->data[7] = gBattleAnimArgs[2];

        if (GetBankSide(gBattleAnimBankAttacker) != 0)
        {
            sprite->data[4] = 4;
        }
        else
        {
            sprite->data[4] = -4;
        }

        sprite->oam.priority = sub_8079ED4(gBattleAnimBankTarget);
        sprite->data[0]++;
        break;
    case 1:
        sprite->data[1] += 192;
        if (GetBankSide(gBattleAnimBankAttacker) != 0)
        {
            sprite->pos2.y = -(sprite->data[1] >> 8);
        }
        else
        {
            sprite->pos2.y = sprite->data[1] >> 8;
        }

        sprite->pos2.x = Sin(sprite->data[2], sprite->data[4]);
        sprite->data[2] = (sprite->data[2] + 4) & 0xFF;

        if (++sprite->data[3] == 1)
        {
            sprite->data[3] = 0;
            sprite->data[0]++;
        }
        break;
    case 2:
        sprite->pos2.x = Sin(sprite->data[2], sprite->data[4]);
        sprite->data[2] = (sprite->data[2] + 4) & 0xFF;
        
        if (++sprite->data[3] == 31)
        {
            sprite->pos1.x += sprite->pos2.x;
            sprite->pos1.y += sprite->pos2.y;
            sprite->pos2.y = 0;
            sprite->pos2.x = 0;

            sprite->data[0] = 256;
            sprite->data[1] = sprite->pos1.x;
            sprite->data[2] = sub_8077ABC(gBattleAnimBankTarget, 2);
            sprite->data[3] = sprite->pos1.y;
            sprite->data[4] = sub_8077ABC(gBattleAnimBankTarget, 3);

            sub_8078BD4(sprite);
            sprite->callback = sub_80D5C5C;
        }
        break;
    }
}

static void sub_80D5C5C(struct Sprite *sprite)
{
    s16 initialData5;
    s16 newData5;

    if (!sub_8078B5C(sprite))
    {
        sprite->pos2.x += Sin(sprite->data[5], 16);
        initialData5 = sprite->data[5];
        sprite->data[5] = (sprite->data[5] + 4) & 0xFF;
        newData5 = sprite->data[5];

        if ((initialData5 == 0 || initialData5 > 196) && newData5 > 0 && sprite->data[7] == 0)
        {
            PlaySE12WithPanning(SE_W172, gUnknown_0202F7D2);
        }
    }
    else
    {
        move_anim_8072740(sprite);
    }
}