pokeemerald/src/battle_util.c

#include "global.h"
#include "battle.h"
#include "battle_controllers.h"
#include "battle_interface.h"
#include "constants/battle_script_commands.h"
#include "constants/abilities.h"
#include "constants/moves.h"
#include "constants/hold_effects.h"
#include "constants/battle_anim.h"
#include "pokemon.h"
#include "constants/species.h"
#include "item.h"
#include "constants/items.h"
#include "util.h"
#include "constants/battle_move_effects.h"
#include "battle_scripts.h"
#include "random.h"
#include "text.h"
#include "string_util.h"
#include "battle_message.h"
#include "constants/battle_string_ids.h"
#include "battle_ai_script_commands.h"
#include "event_data.h"
#include "link.h"
#include "berry.h"
#include "pokedex.h"
#include "mail.h"
#include "constants/battle_config.h"

extern u8 weather_get_current(void);

// rom const data

static const u8 sAbilitiesAffectedByMoldBreaker[] =
{
    [ABILITY_BATTLE_ARMOR] = 1,
    [ABILITY_CLEAR_BODY] = 1,
    [ABILITY_DAMP] = 1,
    [ABILITY_DRY_SKIN] = 1,
    [ABILITY_FILTER] = 1,
    [ABILITY_FLASH_FIRE] = 1,
    [ABILITY_FLOWER_GIFT] = 1,
    [ABILITY_HEATPROOF] = 1,
    [ABILITY_HYPER_CUTTER] = 1,
    [ABILITY_IMMUNITY] = 1,
    [ABILITY_INNER_FOCUS] = 1,
    [ABILITY_INSOMNIA] = 1,
    [ABILITY_KEEN_EYE] = 1,
    [ABILITY_LEAF_GUARD] = 1,
    [ABILITY_LEVITATE] = 1,
    [ABILITY_LIGHTNING_ROD] = 1,
    [ABILITY_LIMBER] = 1,
    [ABILITY_MAGMA_ARMOR] = 1,
    [ABILITY_MARVEL_SCALE] = 1,
    [ABILITY_MOTOR_DRIVE] = 1,
    [ABILITY_OBLIVIOUS] = 1,
    [ABILITY_OWN_TEMPO] = 1,
    [ABILITY_SAND_VEIL] = 1,
    [ABILITY_SHELL_ARMOR] = 1,
    [ABILITY_SHIELD_DUST] = 1,
    [ABILITY_SIMPLE] = 1,
    [ABILITY_SNOW_CLOAK] = 1,
    [ABILITY_SOLID_ROCK] = 1,
    [ABILITY_SOUNDPROOF] = 1,
    [ABILITY_STICKY_HOLD] = 1,
    [ABILITY_STORM_DRAIN] = 1,
    [ABILITY_STURDY] = 1,
    [ABILITY_SUCTION_CUPS] = 1,
    [ABILITY_TANGLED_FEET] = 1,
    [ABILITY_THICK_FAT] = 1,
    [ABILITY_UNAWARE] = 1,
    [ABILITY_VITAL_SPIRIT] = 1,
    [ABILITY_VOLT_ABSORB] = 1,
    [ABILITY_WATER_ABSORB] = 1,
    [ABILITY_WATER_VEIL] = 1,
    [ABILITY_WHITE_SMOKE] = 1,
    [ABILITY_WONDER_GUARD] = 1,
    [ABILITY_BIG_PECKS] = 1,
    [ABILITY_CONTRARY] = 1,
    [ABILITY_FRIEND_GUARD] = 1,
    [ABILITY_HEAVY_METAL] = 1,
    [ABILITY_LIGHT_METAL] = 1,
    [ABILITY_MAGIC_BOUNCE] = 1,
    [ABILITY_MULTISCALE] = 1,
    [ABILITY_SAP_SIPPER] = 1,
    [ABILITY_TELEPATHY] = 1,
    [ABILITY_WONDER_SKIN] = 1,
    [ABILITY_AROMA_VEIL] = 1,
    [ABILITY_BULLETPROOF] = 1,
    [ABILITY_FLOWER_VEIL] = 1,
    [ABILITY_FUR_COAT] = 1,
    [ABILITY_OVERCOAT] = 1,
    [ABILITY_SWEET_VEIL] = 1,
    [ABILITY_DAZZLING] = 1,
    [ABILITY_DISGUISE] = 1,
    [ABILITY_FLUFFY] = 1,
    [ABILITY_QUEENLY_MAJESTY] = 1,
    [ABILITY_WATER_BUBBLE] = 1,
};

static const u8 sFlailHpScaleToPowerTable[] =
{
    1, 200,
    4, 150,
    9, 100,
    16, 80,
    32, 40,
    48, 20
};

// format: min. weight (hectograms), base power
static const u16 sWeightToDamageTable[] =
{
    100, 20,
    250, 40,
    500, 60,
    1000, 80,
    2000, 100,
    0xFFFF, 0xFFFF
};

static const u16 sSpeedDiffToDmgTable[] =
{
    40, 60, 80, 120, 150
};

static const u8 sHoldEffectToType[][2] =
{
    {HOLD_EFFECT_BUG_POWER, TYPE_BUG},
    {HOLD_EFFECT_STEEL_POWER, TYPE_STEEL},
    {HOLD_EFFECT_GROUND_POWER, TYPE_GROUND},
    {HOLD_EFFECT_ROCK_POWER, TYPE_ROCK},
    {HOLD_EFFECT_GRASS_POWER, TYPE_GRASS},
    {HOLD_EFFECT_DARK_POWER, TYPE_DARK},
    {HOLD_EFFECT_FIGHTING_POWER, TYPE_FIGHTING},
    {HOLD_EFFECT_ELECTRIC_POWER, TYPE_ELECTRIC},
    {HOLD_EFFECT_WATER_POWER, TYPE_WATER},
    {HOLD_EFFECT_FLYING_POWER, TYPE_FLYING},
    {HOLD_EFFECT_POISON_POWER, TYPE_POISON},
    {HOLD_EFFECT_ICE_POWER, TYPE_ICE},
    {HOLD_EFFECT_GHOST_POWER, TYPE_GHOST},
    {HOLD_EFFECT_PSYCHIC_POWER, TYPE_PSYCHIC},
    {HOLD_EFFECT_FIRE_POWER, TYPE_FIRE},
    {HOLD_EFFECT_DRAGON_POWER, TYPE_DRAGON},
    {HOLD_EFFECT_NORMAL_POWER, TYPE_NORMAL},
    {HOLD_EFFECT_FAIRY_POWER, TYPE_FAIRY},
};

// percent in UQ_4_12 format
static const u16 sPercentToModifier[] =
{
    UQ_4_12(0.00), // 0
    UQ_4_12(0.01), // 1
    UQ_4_12(0.02), // 2
    UQ_4_12(0.03), // 3
    UQ_4_12(0.04), // 4
    UQ_4_12(0.05), // 5
    UQ_4_12(0.06), // 6
    UQ_4_12(0.07), // 7
    UQ_4_12(0.08), // 8
    UQ_4_12(0.09), // 9
    UQ_4_12(0.10), // 10
    UQ_4_12(0.11), // 11
    UQ_4_12(0.12), // 12
    UQ_4_12(0.13), // 13
    UQ_4_12(0.14), // 14
    UQ_4_12(0.15), // 15
    UQ_4_12(0.16), // 16
    UQ_4_12(0.17), // 17
    UQ_4_12(0.18), // 18
    UQ_4_12(0.19), // 19
    UQ_4_12(0.20), // 20
    UQ_4_12(0.21), // 21
    UQ_4_12(0.22), // 22
    UQ_4_12(0.23), // 23
    UQ_4_12(0.24), // 24
    UQ_4_12(0.25), // 25
    UQ_4_12(0.26), // 26
    UQ_4_12(0.27), // 27
    UQ_4_12(0.28), // 28
    UQ_4_12(0.29), // 29
    UQ_4_12(0.30), // 30
    UQ_4_12(0.31), // 31
    UQ_4_12(0.32), // 32
    UQ_4_12(0.33), // 33
    UQ_4_12(0.34), // 34
    UQ_4_12(0.35), // 35
    UQ_4_12(0.36), // 36
    UQ_4_12(0.37), // 37
    UQ_4_12(0.38), // 38
    UQ_4_12(0.39), // 39
    UQ_4_12(0.40), // 40
    UQ_4_12(0.41), // 41
    UQ_4_12(0.42), // 42
    UQ_4_12(0.43), // 43
    UQ_4_12(0.44), // 44
    UQ_4_12(0.45), // 45
    UQ_4_12(0.46), // 46
    UQ_4_12(0.47), // 47
    UQ_4_12(0.48), // 48
    UQ_4_12(0.49), // 49
    UQ_4_12(0.50), // 50
    UQ_4_12(0.51), // 51
    UQ_4_12(0.52), // 52
    UQ_4_12(0.53), // 53
    UQ_4_12(0.54), // 54
    UQ_4_12(0.55), // 55
    UQ_4_12(0.56), // 56
    UQ_4_12(0.57), // 57
    UQ_4_12(0.58), // 58
    UQ_4_12(0.59), // 59
    UQ_4_12(0.60), // 60
    UQ_4_12(0.61), // 61
    UQ_4_12(0.62), // 62
    UQ_4_12(0.63), // 63
    UQ_4_12(0.64), // 64
    UQ_4_12(0.65), // 65
    UQ_4_12(0.66), // 66
    UQ_4_12(0.67), // 67
    UQ_4_12(0.68), // 68
    UQ_4_12(0.69), // 69
    UQ_4_12(0.70), // 70
    UQ_4_12(0.71), // 71
    UQ_4_12(0.72), // 72
    UQ_4_12(0.73), // 73
    UQ_4_12(0.74), // 74
    UQ_4_12(0.75), // 75
    UQ_4_12(0.76), // 76
    UQ_4_12(0.77), // 77
    UQ_4_12(0.78), // 78
    UQ_4_12(0.79), // 79
    UQ_4_12(0.80), // 80
    UQ_4_12(0.81), // 81
    UQ_4_12(0.82), // 82
    UQ_4_12(0.83), // 83
    UQ_4_12(0.84), // 84
    UQ_4_12(0.85), // 85
    UQ_4_12(0.86), // 86
    UQ_4_12(0.87), // 87
    UQ_4_12(0.88), // 88
    UQ_4_12(0.89), // 89
    UQ_4_12(0.90), // 90
    UQ_4_12(0.91), // 91
    UQ_4_12(0.92), // 92
    UQ_4_12(0.93), // 93
    UQ_4_12(0.94), // 94
    UQ_4_12(0.95), // 95
    UQ_4_12(0.96), // 96
    UQ_4_12(0.97), // 97
    UQ_4_12(0.98), // 98
    UQ_4_12(0.99), // 99
    UQ_4_12(1.00), // 100
};

#define X UQ_4_12

static const u16 sTypeEffectivenessTable[NUMBER_OF_MON_TYPES][NUMBER_OF_MON_TYPES] =
{
//   normal  fight   flying  poison  ground  rock    bug     ghost   steel   mystery fire    water   grass  electric psychic ice     dragon  dark    fairy
	{X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(0.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0)}, // normal
	{X(2.0), X(1.0), X(0.5), X(0.5), X(1.0), X(2.0), X(0.5), X(0.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(2.0), X(1.0), X(2.0), X(0.5)}, // fight
	{X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(0.5), X(2.0), X(1.0), X(0.5), X(1.0), X(1.0), X(1.0), X(2.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0)}, // flying
	{X(1.0), X(1.0), X(1.0), X(0.5), X(0.5), X(0.5), X(1.0), X(0.5), X(0.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0)}, // poison
	{X(1.0), X(1.0), X(0.0), X(2.0), X(1.0), X(2.0), X(0.5), X(1.0), X(2.0), X(1.0), X(2.0), X(1.0), X(0.5), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0)}, // ground
	{X(1.0), X(0.5), X(2.0), X(1.0), X(0.5), X(1.0), X(2.0), X(1.0), X(0.5), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0)}, // rock
	{X(1.0), X(0.5), X(0.5), X(0.5), X(1.0), X(1.0), X(1.0), X(0.5), X(0.5), X(1.0), X(0.5), X(1.0), X(2.0), X(1.0), X(2.0), X(1.0), X(1.0), X(2.0), X(0.5)}, // bug
	{X(0.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(0.5), X(1.0)}, // ghost
	{X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(0.5), X(1.0), X(0.5), X(0.5), X(1.0), X(0.5), X(1.0), X(2.0), X(1.0), X(1.0), X(2.0)}, // steel
	{X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0)}, // mystery
	{X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(2.0), X(1.0), X(2.0), X(1.0), X(0.5), X(0.5), X(2.0), X(1.0), X(1.0), X(2.0), X(0.5), X(1.0), X(1.0)}, // fire
	{X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(0.5), X(0.5), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(1.0)}, // water
	{X(1.0), X(1.0), X(0.5), X(0.5), X(2.0), X(2.0), X(0.5), X(1.0), X(0.5), X(1.0), X(0.5), X(2.0), X(0.5), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(1.0)}, // grass
	{X(1.0), X(1.0), X(2.0), X(1.0), X(0.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(0.5), X(0.5), X(1.0), X(1.0), X(0.5), X(1.0), X(1.0)}, // electric
	{X(1.0), X(2.0), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(1.0), X(0.0), X(1.0)}, // psychic
	{X(1.0), X(1.0), X(2.0), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(0.5), X(0.5), X(2.0), X(1.0), X(1.0), X(0.5), X(2.0), X(1.0), X(1.0)}, // ice
	{X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(0.0)}, // dragon
	{X(1.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(1.0), X(1.0), X(0.5), X(0.5)}, // dark
	{X(1.0), X(2.0), X(1.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(0.5), X(1.0), X(0.5), X(1.0), X(1.0), X(1.0), X(1.0), X(1.0), X(2.0), X(2.0), X(1.0)}, // fairy
};

#undef X

// code
u8 GetBattlerForBattleScript(u8 caseId)
{
    u8 ret = 0;
    switch (caseId)
    {
    case BS_TARGET:
        ret = gBattlerTarget;
        break;
    case BS_ATTACKER:
        ret = gBattlerAttacker;
        break;
    case BS_EFFECT_BATTLER:
        ret = gEffectBattler;
        break;
    case BS_BATTLER_0:
        ret = 0;
        break;
    case BS_SCRIPTING:
        ret = gBattleScripting.battler;
        break;
    case BS_FAINTED:
        ret = gBattlerFainted;
        break;
    case 5:
        ret = gBattlerFainted;
        break;
    case 4:
    case 6:
    case 8:
    case 9:
    case BS_PLAYER1:
        ret = GetBattlerAtPosition(B_POSITION_PLAYER_LEFT);
        break;
    case BS_OPPONENT1:
        ret = GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT);
        break;
    case BS_PLAYER2:
        ret = GetBattlerAtPosition(B_POSITION_PLAYER_RIGHT);
        break;
    case BS_OPPONENT2:
        ret = GetBattlerAtPosition(B_POSITION_OPPONENT_RIGHT);
        break;
    case BS_ABILITY_BATTLER:
        ret = gBattlerAbility;
    }
    return ret;
}

void PressurePPLose(u8 defender, u8 attacker, u16 move)
{
    s32 i;

    if (gBattleMons[defender].ability != ABILITY_PRESSURE)
        return;

    for (i = 0; i < 4; i++)
    {
        if (gBattleMons[attacker].moves[i] == move)
            break;
    }

    if (i == 4) // mons don't share any moves
        return;

    if (gBattleMons[attacker].pp[i] != 0)
        gBattleMons[attacker].pp[i]--;

    if (!(gBattleMons[attacker].status2 & STATUS2_TRANSFORMED)
        && !(gDisableStructs[attacker].unk18_b & gBitTable[i]))
    {
        gActiveBattler = attacker;
        BtlController_EmitSetMonData(0, REQUEST_PPMOVE1_BATTLE + i, 0, 1, &gBattleMons[gActiveBattler].pp[i]);
        MarkBattlerForControllerExec(gActiveBattler);
    }
}

void PressurePPLoseOnUsingImprision(u8 attacker)
{
    s32 i, j;
    s32 imprisionPos = 4;
    u8 atkSide = GetBattlerSide(attacker);

    for (i = 0; i < gBattlersCount; i++)
    {
        if (atkSide != GetBattlerSide(i) && gBattleMons[i].ability == ABILITY_PRESSURE)
        {
            for (j = 0; j < 4; j++)
            {
                if (gBattleMons[attacker].moves[j] == MOVE_IMPRISON)
                    break;
            }
            if (j != 4)
            {
                imprisionPos = j;
                if (gBattleMons[attacker].pp[j] != 0)
                    gBattleMons[attacker].pp[j]--;
            }
        }
    }

    if (imprisionPos != 4
        && !(gBattleMons[attacker].status2 & STATUS2_TRANSFORMED)
        && !(gDisableStructs[attacker].unk18_b & gBitTable[imprisionPos]))
    {
        gActiveBattler = attacker;
        BtlController_EmitSetMonData(0, REQUEST_PPMOVE1_BATTLE + imprisionPos, 0, 1, &gBattleMons[gActiveBattler].pp[imprisionPos]);
        MarkBattlerForControllerExec(gActiveBattler);
    }
}

void PressurePPLoseOnUsingPerishSong(u8 attacker)
{
    s32 i, j;
    s32 perishSongPos = 4;

    for (i = 0; i < gBattlersCount; i++)
    {
        if (gBattleMons[i].ability == ABILITY_PRESSURE && i != attacker)
        {
            for (j = 0; j < 4; j++)
            {
                if (gBattleMons[attacker].moves[j] == MOVE_PERISH_SONG)
                    break;
            }
            if (j != 4)
            {
                perishSongPos = j;
                if (gBattleMons[attacker].pp[j] != 0)
                    gBattleMons[attacker].pp[j]--;
            }
        }
    }

    if (perishSongPos != 4
        && !(gBattleMons[attacker].status2 & STATUS2_TRANSFORMED)
        && !(gDisableStructs[attacker].unk18_b & gBitTable[perishSongPos]))
    {
        gActiveBattler = attacker;
        BtlController_EmitSetMonData(0, REQUEST_PPMOVE1_BATTLE + perishSongPos, 0, 1, &gBattleMons[gActiveBattler].pp[perishSongPos]);
        MarkBattlerForControllerExec(gActiveBattler);
    }
}

void MarkAllBattlersForControllerExec(void) // unused
{
    s32 i;

    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
    {
        for (i = 0; i < gBattlersCount; i++)
            gBattleControllerExecFlags |= gBitTable[i] << 0x1C;
    }
    else
    {
        for (i = 0; i < gBattlersCount; i++)
            gBattleControllerExecFlags |= gBitTable[i];
    }
}

void MarkBattlerForControllerExec(u8 battlerId)
{
    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
        gBattleControllerExecFlags |= gBitTable[battlerId] << 0x1C;
    else
        gBattleControllerExecFlags |= gBitTable[battlerId];
}

void sub_803F850(u8 arg0)
{
    s32 i;

    for (i = 0; i < GetLinkPlayerCount(); i++)
        gBattleControllerExecFlags |= gBitTable[arg0] << (i << 2);

    gBattleControllerExecFlags &= ~(0x10000000 << arg0);
}

void CancelMultiTurnMoves(u8 battler)
{
    gBattleMons[battler].status2 &= ~(STATUS2_MULTIPLETURNS);
    gBattleMons[battler].status2 &= ~(STATUS2_LOCK_CONFUSE);
    gBattleMons[battler].status2 &= ~(STATUS2_UPROAR);
    gBattleMons[battler].status2 &= ~(STATUS2_BIDE);

    gStatuses3[battler] &= ~(STATUS3_SEMI_INVULNERABLE);

    gDisableStructs[battler].rolloutTimer = 0;
    gDisableStructs[battler].furyCutterCounter = 0;
}

bool8 WasUnableToUseMove(u8 battler)
{
    if (gProtectStructs[battler].prlzImmobility
        || gProtectStructs[battler].targetNotAffected
        || gProtectStructs[battler].usedImprisionedMove
        || gProtectStructs[battler].loveImmobility
        || gProtectStructs[battler].usedDisabledMove
        || gProtectStructs[battler].usedTauntedMove
        || gProtectStructs[battler].usedGravityPreventedMove
        || gProtectStructs[battler].usedHealBlockedMove
        || gProtectStructs[battler].flag2Unknown
        || gProtectStructs[battler].flinchImmobility
        || gProtectStructs[battler].confusionSelfDmg)
        return TRUE;
    else
        return FALSE;
}

void PrepareStringBattle(u16 stringId, u8 battler)
{
    gActiveBattler = battler;
    BtlController_EmitPrintString(0, stringId);
    MarkBattlerForControllerExec(gActiveBattler);
}

void ResetSentPokesToOpponentValue(void)
{
    s32 i;
    u32 bits = 0;

    gSentPokesToOpponent[0] = 0;
    gSentPokesToOpponent[1] = 0;

    for (i = 0; i < gBattlersCount; i += 2)
        bits |= gBitTable[gBattlerPartyIndexes[i]];

    for (i = 1; i < gBattlersCount; i += 2)
        gSentPokesToOpponent[(i & BIT_FLANK) >> 1] = bits;
}

void sub_803F9EC(u8 battler)
{
    s32 i = 0;
    u32 bits = 0;

    if (GetBattlerSide(battler) == B_SIDE_OPPONENT)
    {
        u8 flank = ((battler & BIT_FLANK) >> 1);
        gSentPokesToOpponent[flank] = 0;

        for (i = 0; i < gBattlersCount; i += 2)
        {
            if (!(gAbsentBattlerFlags & gBitTable[i]))
                bits |= gBitTable[gBattlerPartyIndexes[i]];
        }

        gSentPokesToOpponent[flank] = bits;
    }
}

void sub_803FA70(u8 battler)
{
    if (GetBattlerSide(battler) == B_SIDE_OPPONENT)
    {
        sub_803F9EC(battler);
    }
    else
    {
        s32 i;
        for (i = 1; i < gBattlersCount; i++)
            gSentPokesToOpponent[(i & BIT_FLANK) >> 1] |= gBitTable[gBattlerPartyIndexes[battler]];
    }
}

void BattleScriptPush(const u8 *bsPtr)
{
    gBattleResources->battleScriptsStack->ptr[gBattleResources->battleScriptsStack->size++] = bsPtr;
}

void BattleScriptPushCursor(void)
{
    gBattleResources->battleScriptsStack->ptr[gBattleResources->battleScriptsStack->size++] = gBattlescriptCurrInstr;
}

void BattleScriptPop(void)
{
    gBattlescriptCurrInstr = gBattleResources->battleScriptsStack->ptr[--gBattleResources->battleScriptsStack->size];
}

static bool32 IsGravityPreventingMove(u32 move)
{
    if (!(gFieldStatuses & STATUS_FIELD_GRAVITY))
        return FALSE;

    switch (move)
    {
    case MOVE_BOUNCE:
    case MOVE_FLY:
    case MOVE_FLYING_PRESS:
    case MOVE_HI_JUMP_KICK:
    case MOVE_JUMP_KICK:
    case MOVE_MAGNET_RISE:
    case MOVE_SKY_DROP:
    case MOVE_SPLASH:
    case MOVE_TELEKINESIS:
        return TRUE;
    default:
        return FALSE;
    }
}

static bool32 IsHealBlockPreventingMove(u8 battler, u32 move)
{
    if (!(gStatuses3[battler] & STATUS3_HEAL_BLOCK))
        return FALSE;

    switch (gBattleMoves[move].effect)
    {
    case EFFECT_ABSORB:
    case EFFECT_MORNING_SUN:
    case EFFECT_MOONLIGHT:
    case EFFECT_RESTORE_HP:
    case EFFECT_REST:
    case EFFECT_ROOST:
    case EFFECT_HEALING_WISH:
    case EFFECT_WISH:
        return TRUE;
    default:
        return FALSE;
    }
}

u8 TrySetCantSelectMoveBattleScript(void)
{
    u8 limitations = 0;
	u8 moveId = gBattleBufferB[gActiveBattler][2] & ~(RET_MEGA_EVOLUTION);
    u32 move = gBattleMons[gActiveBattler].moves[moveId];
    u32 holdEffect = GetBattlerHoldEffect(gActiveBattler, TRUE);
    u16* choicedMove = &gBattleStruct->choicedMove[gActiveBattler];

    if (gDisableStructs[gActiveBattler].disabledMove == move && move != 0)
    {
        gBattleScripting.battler = gActiveBattler;
        gCurrentMove = move;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gPalaceSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingDisabledMoveInPalace;
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingDisabledMove;
            limitations++;
        }
    }

    if (move == gLastMoves[gActiveBattler] && move != MOVE_STRUGGLE && (gBattleMons[gActiveBattler].status2 & STATUS2_TORMENT))
    {
        CancelMultiTurnMoves(gActiveBattler);
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gPalaceSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingTormentedMoveInPalace;
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingTormentedMove;
            limitations++;
        }
    }

    if (gDisableStructs[gActiveBattler].tauntTimer != 0 && gBattleMoves[move].power == 0)
    {
        gCurrentMove = move;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gPalaceSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveTauntInPalace;
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveTaunt;
            limitations++;
        }
    }

    if (GetImprisonedMovesCount(gActiveBattler, move))
    {
        gCurrentMove = move;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gPalaceSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingImprisionedMoveInPalace;
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingImprisionedMove;
            limitations++;
        }
    }

    if (IsGravityPreventingMove(move))
    {
        gCurrentMove = move;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gPalaceSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveGravityInPalace;
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveGravity;
            limitations++;
        }
    }

    if (IsHealBlockPreventingMove(gActiveBattler, move))
    {
        gCurrentMove = move;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gPalaceSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveHealBlockInPalace;
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveHealBlock;
            limitations++;
        }
    }

    gPotentialItemEffectBattler = gActiveBattler;
    if (HOLD_EFFECT_CHOICE(holdEffect) && *choicedMove != 0 && *choicedMove != 0xFFFF && *choicedMove != move)
    {
        gCurrentMove = *choicedMove;
        gLastUsedItem = gBattleMons[gActiveBattler].item;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveChoiceItem;
            limitations++;
        }
    }
    else if (holdEffect == HOLD_EFFECT_ASSAULT_VEST && gBattleMoves[move].power == 0)
    {
        gCurrentMove = move;
        gLastUsedItem = gBattleMons[gActiveBattler].item;
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingNotAllowedMoveAssaultVest;
            limitations++;
        }
    }

    if (gBattleMons[gActiveBattler].pp[moveId] == 0)
    {
        if (gBattleTypeFlags & BATTLE_TYPE_PALACE)
        {
            gProtectStructs[gActiveBattler].flag_x10 = 1;
        }
        else
        {
            gSelectionBattleScripts[gActiveBattler] = BattleScript_SelectingMoveWithNoPP;
            limitations++;
        }
    }

    return limitations;
}

u8 CheckMoveLimitations(u8 battlerId, u8 unusableMoves, u8 check)
{
    u8 holdEffect = GetBattlerHoldEffect(battlerId, TRUE);
    u16 *choicedMove = &gBattleStruct->choicedMove[battlerId];
    s32 i;

    gPotentialItemEffectBattler = battlerId;

    for (i = 0; i < 4; i++)
    {
        if (gBattleMons[battlerId].moves[i] == 0 && check & MOVE_LIMITATION_ZEROMOVE)
            unusableMoves |= gBitTable[i];
        else if (gBattleMons[battlerId].pp[i] == 0 && check & MOVE_LIMITATION_PP)
            unusableMoves |= gBitTable[i];
        else if (gBattleMons[battlerId].moves[i] == gDisableStructs[battlerId].disabledMove && check & MOVE_LIMITATION_DISABLED)
            unusableMoves |= gBitTable[i];
        else if (gBattleMons[battlerId].moves[i] == gLastMoves[battlerId] && check & MOVE_LIMITATION_TORMENTED && gBattleMons[battlerId].status2 & STATUS2_TORMENT)
            unusableMoves |= gBitTable[i];
        else if (gDisableStructs[battlerId].tauntTimer && check & MOVE_LIMITATION_TAUNT && gBattleMoves[gBattleMons[battlerId].moves[i]].power == 0)
            unusableMoves |= gBitTable[i];
        else if (GetImprisonedMovesCount(battlerId, gBattleMons[battlerId].moves[i]) && check & MOVE_LIMITATION_IMPRISION)
            unusableMoves |= gBitTable[i];
        else if (gDisableStructs[battlerId].encoreTimer && gDisableStructs[battlerId].encoredMove != gBattleMons[battlerId].moves[i])
            unusableMoves |= gBitTable[i];
        else if (HOLD_EFFECT_CHOICE(holdEffect) && *choicedMove != 0 && *choicedMove != 0xFFFF && *choicedMove != gBattleMons[battlerId].moves[i])
            unusableMoves |= gBitTable[i];
        else if (holdEffect == HOLD_EFFECT_ASSAULT_VEST && gBattleMoves[gBattleMons[battlerId].moves[i]].power == 0)
            unusableMoves |= gBitTable[i];
        else if (IsGravityPreventingMove(gBattleMons[battlerId].moves[i]))
            unusableMoves |= gBitTable[i];
        else if (IsHealBlockPreventingMove(battlerId, gBattleMons[battlerId].moves[i]))
            unusableMoves |= gBitTable[i];
    }
    return unusableMoves;
}

bool8 AreAllMovesUnusable(void)
{
    u8 unusable;
    unusable = CheckMoveLimitations(gActiveBattler, 0, 0xFF);

    if (unusable == 0xF) // All moves are unusable.
    {
        gProtectStructs[gActiveBattler].noValidMoves = 1;
        gSelectionBattleScripts[gActiveBattler] = BattleScript_NoMovesLeft;
    }
    else
    {
        gProtectStructs[gActiveBattler].noValidMoves = 0;
    }

    return (unusable == 0xF);
}

u8 GetImprisonedMovesCount(u8 battlerId, u16 move)
{
    s32 i;
    u8 imprisionedMoves = 0;
    u8 battlerSide = GetBattlerSide(battlerId);

    for (i = 0; i < gBattlersCount; i++)
    {
        if (battlerSide != GetBattlerSide(i) && gStatuses3[i] & STATUS3_IMPRISONED_OTHERS)
        {
            s32 j;
            for (j = 0; j < 4; j++)
            {
                if (move == gBattleMons[i].moves[j])
                    break;
            }
            if (j < 4)
                imprisionedMoves++;
        }
    }

    return imprisionedMoves;
}

enum
{
	ENDTURN_ORDER,
	ENDTURN_REFLECT,
	ENDTURN_LIGHT_SCREEN,
	ENDTURN_AURORA_VEIL,
	ENDTURN_MIST,
	ENDTURN_LUCKY_CHANT,
	ENDTURN_SAFEGUARD,
	ENDTURN_TAILWIND,
	ENDTURN_WISH,
	ENDTURN_RAIN,
	ENDTURN_SANDSTORM,
	ENDTURN_SUN,
	ENDTURN_HAIL,
	ENDTURN_GRAVITY,
	ENDTURN_WATER_SPORT,
	ENDTURN_MUD_SPORT,
	ENDTURN_TRICK_ROOM,
	ENDTURN_WONDER_ROOM,
	ENDTURN_MAGIC_ROOM,
	ENDTURN_ELECTRIC_TERRAIN,
	ENDTURN_MISTY_TERRAIN,
	ENDTURN_GRASSY_TERRAIN,
	ENDTURN_PSYCHIC_TERRAIN,
	ENDTURN_ION_DELUGE,
	ENDTURN_FIELD_COUNT,
};

u8 DoFieldEndTurnEffects(void)
{
    u8 effect = 0;

    for (gBattlerAttacker = 0; gBattlerAttacker < gBattlersCount && gAbsentBattlerFlags & gBitTable[gBattlerAttacker]; gBattlerAttacker++)
    {
    }
    for (gBattlerTarget = 0; gBattlerTarget < gBattlersCount && gAbsentBattlerFlags & gBitTable[gBattlerTarget]; gBattlerTarget++)
    {
    }

    do
    {
        s32 i;
        u8 side;

        switch (gBattleStruct->turnCountersTracker)
        {
        case ENDTURN_ORDER:
            for (i = 0; i < gBattlersCount; i++)
            {
                gBattlerByTurnOrder[i] = i;
            }
            for (i = 0; i < gBattlersCount - 1; i++)
            {
                s32 j;
                for (j = i + 1; j < gBattlersCount; j++)
                {
                    if (GetWhoStrikesFirst(gBattlerByTurnOrder[i], gBattlerByTurnOrder[j], 0))
                        SwapTurnOrder(i, j);
                }
            }

            gBattleStruct->turnCountersTracker++;
            gBattleStruct->turnEffectsSide = 0;
            // fall through
        case ENDTURN_REFLECT:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].reflectBattlerId;
                if (gSideStatuses[side] & SIDE_STATUS_REFLECT)
                {
                    if (--gSideTimers[side].reflectTimer == 0)
                    {
                        gSideStatuses[side] &= ~SIDE_STATUS_REFLECT;
                        BattleScriptExecute(BattleScript_SideStatusWoreOff);
                        PREPARE_MOVE_BUFFER(gBattleTextBuff1, MOVE_REFLECT);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_LIGHT_SCREEN:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].lightscreenBattlerId;
                if (gSideStatuses[side] & SIDE_STATUS_LIGHTSCREEN)
                {
                    if (--gSideTimers[side].lightscreenTimer == 0)
                    {
                        gSideStatuses[side] &= ~SIDE_STATUS_LIGHTSCREEN;
                        BattleScriptExecute(BattleScript_SideStatusWoreOff);
                        gBattleCommunication[MULTISTRING_CHOOSER] = side;
                        PREPARE_MOVE_BUFFER(gBattleTextBuff1, MOVE_LIGHT_SCREEN);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_AURORA_VEIL:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].auroraVeilBattlerId;
                if (gSideStatuses[side] & SIDE_STATUS_AURORA_VEIL)
                {
                    if (--gSideTimers[side].auroraVeilTimer == 0)
                    {
                        gSideStatuses[side] &= ~SIDE_STATUS_AURORA_VEIL;
                        BattleScriptExecute(BattleScript_SideStatusWoreOff);
                        gBattleCommunication[MULTISTRING_CHOOSER] = side;
                        PREPARE_MOVE_BUFFER(gBattleTextBuff1, MOVE_AURORA_VEIL);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_MIST:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].mistBattlerId;
                if (gSideTimers[side].mistTimer != 0
                 && --gSideTimers[side].mistTimer == 0)
                {
                    gSideStatuses[side] &= ~SIDE_STATUS_MIST;
                    BattleScriptExecute(BattleScript_SideStatusWoreOff);
                    gBattleCommunication[MULTISTRING_CHOOSER] = side;
                    PREPARE_MOVE_BUFFER(gBattleTextBuff1, MOVE_MIST);
                    effect++;
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_SAFEGUARD:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].safeguardBattlerId;
                if (gSideStatuses[side] & SIDE_STATUS_SAFEGUARD)
                {
                    if (--gSideTimers[side].safeguardTimer == 0)
                    {
                        gSideStatuses[side] &= ~SIDE_STATUS_SAFEGUARD;
                        BattleScriptExecute(BattleScript_SafeguardEnds);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_LUCKY_CHANT:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].luckyChantBattlerId;
                if (gSideStatuses[side] & SIDE_STATUS_LUCKY_CHANT)
                {
                    if (--gSideTimers[side].luckyChantTimer == 0)
                    {
                        gSideStatuses[side] &= ~SIDE_STATUS_LUCKY_CHANT;
                        BattleScriptExecute(BattleScript_LuckyChantEnds);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_TAILWIND:
            while (gBattleStruct->turnEffectsSide < 2)
            {
                side = gBattleStruct->turnEffectsSide;
                gActiveBattler = gBattlerAttacker = gSideTimers[side].tailwindBattlerId;
                if (gSideStatuses[side] & SIDE_STATUS_TAILWIND)
                {
                    if (--gSideTimers[side].tailwindTimer == 0)
                    {
                        gSideStatuses[side] &= ~SIDE_STATUS_TAILWIND;
                        BattleScriptExecute(BattleScript_TailwindEnds);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
                gBattleStruct->turnEffectsSide = 0;
            }
            break;
        case ENDTURN_WISH:
            while (gBattleStruct->turnEffectsSide < gBattlersCount)
            {
                gActiveBattler = gBattlerByTurnOrder[gBattleStruct->turnEffectsSide];
                if (gWishFutureKnock.wishCounter[gActiveBattler] != 0
                 && --gWishFutureKnock.wishCounter[gActiveBattler] == 0
                 && gBattleMons[gActiveBattler].hp != 0)
                {
                    gBattlerTarget = gActiveBattler;
                    BattleScriptExecute(BattleScript_WishComesTrue);
                    effect++;
                }
                gBattleStruct->turnEffectsSide++;
                if (effect)
                    break;
            }
            if (!effect)
            {
                gBattleStruct->turnCountersTracker++;
            }
            break;
        case ENDTURN_RAIN:
            if (gBattleWeather & WEATHER_RAIN_ANY)
            {
                if (!(gBattleWeather & WEATHER_RAIN_PERMANENT))
                {
                    if (--gWishFutureKnock.weatherDuration == 0)
                    {
                        gBattleWeather &= ~WEATHER_RAIN_TEMPORARY;
                        gBattleWeather &= ~WEATHER_RAIN_DOWNPOUR;
                        gBattleCommunication[MULTISTRING_CHOOSER] = 2;
                    }
                    else if (gBattleWeather & WEATHER_RAIN_DOWNPOUR)
                        gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                    else
                        gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                }
                else if (gBattleWeather & WEATHER_RAIN_DOWNPOUR)
                {
                    gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                }
                else
                {
                    gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                }

                BattleScriptExecute(BattleScript_RainContinuesOrEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_SANDSTORM:
            if (gBattleWeather & WEATHER_SANDSTORM_ANY)
            {
                if (!(gBattleWeather & WEATHER_SANDSTORM_PERMANENT) && --gWishFutureKnock.weatherDuration == 0)
                {
                    gBattleWeather &= ~WEATHER_SANDSTORM_TEMPORARY;
                    gBattlescriptCurrInstr = BattleScript_SandStormHailEnds;
                }
                else
                {
                    gBattlescriptCurrInstr = BattleScript_DamagingWeatherContinues;
                }

                gBattleScripting.animArg1 = B_ANIM_SANDSTORM_CONTINUES;
                gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                BattleScriptExecute(gBattlescriptCurrInstr);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_SUN:
            if (gBattleWeather & WEATHER_SUN_ANY)
            {
                if (!(gBattleWeather & WEATHER_SUN_PERMANENT) && --gWishFutureKnock.weatherDuration == 0)
                {
                    gBattleWeather &= ~WEATHER_SUN_TEMPORARY;
                    gBattlescriptCurrInstr = BattleScript_SunlightFaded;
                }
                else
                {
                    gBattlescriptCurrInstr = BattleScript_SunlightContinues;
                }

                BattleScriptExecute(gBattlescriptCurrInstr);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_HAIL:
            if (gBattleWeather & WEATHER_HAIL_ANY)
            {
                if (!(gBattleWeather & WEATHER_HAIL_PERMANENT) && --gWishFutureKnock.weatherDuration == 0)
                {
                    gBattleWeather &= ~WEATHER_HAIL_TEMPORARY;
                    gBattlescriptCurrInstr = BattleScript_SandStormHailEnds;
                }
                else
                {
                    gBattlescriptCurrInstr = BattleScript_DamagingWeatherContinues;
                }

                gBattleScripting.animArg1 = B_ANIM_HAIL_CONTINUES;
                gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                BattleScriptExecute(gBattlescriptCurrInstr);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_TRICK_ROOM:
            if (gFieldStatuses & STATUS_FIELD_TRICK_ROOM && --gFieldTimers.trickRoomTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_TRICK_ROOM);
                BattleScriptExecute(BattleScript_TrickRoomEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_WONDER_ROOM:
            if (gFieldStatuses & STATUS_FIELD_WONDER_ROOM && --gFieldTimers.wonderRoomTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_WONDER_ROOM);
                BattleScriptExecute(BattleScript_WonderRoomEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_MAGIC_ROOM:
            if (gFieldStatuses & STATUS_FIELD_MAGIC_ROOM && --gFieldTimers.magicRoomTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_MAGIC_ROOM);
                BattleScriptExecute(BattleScript_MagicRoomEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_ELECTRIC_TERRAIN:
            if (gFieldStatuses & STATUS_FIELD_ELECTRIC_TERRAIN && --gFieldTimers.electricTerrainTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_ELECTRIC_TERRAIN);
                BattleScriptExecute(BattleScript_ElectricTerrainEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_MISTY_TERRAIN:
            if (gFieldStatuses & STATUS_FIELD_MISTY_TERRAIN && --gFieldTimers.mistyTerrainTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_MISTY_TERRAIN);
                BattleScriptExecute(BattleScript_MistyTerrainEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_GRASSY_TERRAIN:
            if (gFieldStatuses & STATUS_FIELD_GRASSY_TERRAIN && --gFieldTimers.grassyTerrainTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_GRASSY_TERRAIN);
                BattleScriptExecute(BattleScript_GrassyTerrainEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_PSYCHIC_TERRAIN:
            if (gFieldStatuses & STATUS_FIELD_PSYCHIC_TERRAIN && --gFieldTimers.psychicTerrainTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_PSYCHIC_TERRAIN);
                BattleScriptExecute(BattleScript_PsychicTerrainEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_WATER_SPORT:
            if (gFieldStatuses & STATUS_FIELD_WATERSPORT && --gFieldTimers.waterSportTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_WATERSPORT);
                BattleScriptExecute(BattleScript_WaterSportEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_MUD_SPORT:
            if (gFieldStatuses & STATUS_FIELD_MUDSPORT && --gFieldTimers.mudSportTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_MUDSPORT);
                BattleScriptExecute(BattleScript_MudSportEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_GRAVITY:
            if (gFieldStatuses & STATUS_FIELD_GRAVITY && --gFieldTimers.gravityTimer == 0)
            {
                gFieldStatuses &= ~(STATUS_FIELD_GRAVITY);
                BattleScriptExecute(BattleScript_GravityEnds);
                effect++;
            }
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_ION_DELUGE:
            gFieldStatuses &= ~(STATUS_FIELD_ION_DELUGE);
            gBattleStruct->turnCountersTracker++;
            break;
        case ENDTURN_FIELD_COUNT:
            effect++;
            break;
        }
    } while (effect == 0);

    return (gBattleMainFunc != BattleTurnPassed);
}

enum
{
    ENDTURN_INGRAIN,
    ENDTURN_AQUA_RING,
    ENDTURN_ABILITIES,
	ENDTURN_ITEMS1,
	ENDTURN_LEECH_SEED,
	ENDTURN_POISON,
	ENDTURN_BAD_POISON,
	ENDTURN_BURN,
	ENDTURN_NIGHTMARES,
	ENDTURN_CURSE,
	ENDTURN_WRAP,
	ENDTURN_UPROAR,
	ENDTURN_THRASH,
	ENDTURN_DISABLE,
	ENDTURN_ENCORE,
	ENDTURN_MAGNET_RISE,
	ENDTURN_TELEKINESIS,
	ENDTURN_HEALBLOCK,
	ENDTURN_EMBARGO,
	ENDTURN_LOCK_ON,
	ENDTURN_CHARGE,
	ENDTURN_LASER_FOCUS,
	ENDTURN_TAUNT,
	ENDTURN_YAWN,
	ENDTURN_ITEMS2,
	ENDTURN_ROOST,
	ENDTURN_ELECTRIFY,
	ENDTURN_BATTLER_COUNT
};

u8 DoBattlerEndTurnEffects(void)
{
    u8 effect = FALSE;

    gHitMarker |= (HITMARKER_GRUDGE | HITMARKER_x20);
    while (gBattleStruct->turnEffectsBattlerId < gBattlersCount && gBattleStruct->turnEffectsTracker <= ENDTURN_BATTLER_COUNT)
    {
        gActiveBattler = gBattlerAttacker = gBattlerByTurnOrder[gBattleStruct->turnEffectsBattlerId];
        if (gAbsentBattlerFlags & gBitTable[gActiveBattler])
        {
            gBattleStruct->turnEffectsBattlerId++;
        }
        else
        {
            u8 ability = GetBattlerAbility(gActiveBattler);
            switch (gBattleStruct->turnEffectsTracker)
            {
            case ENDTURN_INGRAIN:  // ingrain
                if ((gStatuses3[gActiveBattler] & STATUS3_ROOTED)
                 && !BATTLER_MAX_HP(gActiveBattler)
                 && !(gStatuses3[gActiveBattler] & STATUS3_HEAL_BLOCK)
                 && gBattleMons[gActiveBattler].hp != 0)
                {
                    gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 16;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    gBattleMoveDamage *= -1;
                    BattleScriptExecute(BattleScript_IngrainTurnHeal);
                    effect++;
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_AQUA_RING:  // aqua ring
                if ((gStatuses3[gActiveBattler] & STATUS3_AQUA_RING)
                 && !BATTLER_MAX_HP(gActiveBattler)
                 && !(gStatuses3[gActiveBattler] & STATUS3_HEAL_BLOCK)
                 && gBattleMons[gActiveBattler].hp != 0)
                {
                    gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 16;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    gBattleMoveDamage *= -1;
                    BattleScriptExecute(BattleScript_AquaRingHeal);
                    effect++;
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_ABILITIES:  // end turn abilities
                if (AbilityBattleEffects(ABILITYEFFECT_ENDTURN, gActiveBattler, 0, 0, 0))
                    effect++;
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_ITEMS1:  // item effects
                if (ItemBattleEffects(1, gActiveBattler, FALSE))
                    effect++;
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_ITEMS2:  // item effects again
                if (ItemBattleEffects(1, gActiveBattler, TRUE))
                    effect++;
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_LEECH_SEED:  // leech seed
                if ((gStatuses3[gActiveBattler] & STATUS3_LEECHSEED)
                 && gBattleMons[gStatuses3[gActiveBattler] & STATUS3_LEECHSEED_BATTLER].hp != 0
                 && gBattleMons[gActiveBattler].hp != 0)
                {
                    gBattlerTarget = gStatuses3[gActiveBattler] & STATUS3_LEECHSEED_BATTLER; // Notice gBattlerTarget is actually the HP receiver.
                    gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 8;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    gBattleScripting.animArg1 = gBattlerTarget;
                    gBattleScripting.animArg2 = gBattlerAttacker;
                    BattleScriptExecute(BattleScript_LeechSeedTurnDrain);
                    effect++;
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_POISON:  // poison
                if ((gBattleMons[gActiveBattler].status1 & STATUS1_POISON)
                    && gBattleMons[gActiveBattler].hp != 0
                    && ability != ABILITY_MAGIC_GUARD)
                {
                    if (ability == ABILITY_POISON_HEAL)
                    {
                        if (!BATTLER_MAX_HP(gActiveBattler) && !(gStatuses3[gActiveBattler] & STATUS3_HEAL_BLOCK))
                        {
                            gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 8;
                            if (gBattleMoveDamage == 0)
                                gBattleMoveDamage = 1;
                            gBattleMoveDamage *= -1;
                            BattleScriptExecute(BattleScript_PoisonHealActivates);
                            effect++;
                        }
                    }
                    else
                    {
                        gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 8;
                        if (gBattleMoveDamage == 0)
                            gBattleMoveDamage = 1;
                        BattleScriptExecute(BattleScript_PoisonTurnDmg);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_BAD_POISON:  // toxic poison
                if ((gBattleMons[gActiveBattler].status1 & STATUS1_TOXIC_POISON)
                    && gBattleMons[gActiveBattler].hp != 0
                    && ability != ABILITY_MAGIC_GUARD)
                {
                    if (ability == ABILITY_POISON_HEAL)
                    {
                        if (!BATTLER_MAX_HP(gActiveBattler) && !(gStatuses3[gActiveBattler] & STATUS3_HEAL_BLOCK))
                        {
                            gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 8;
                            if (gBattleMoveDamage == 0)
                                gBattleMoveDamage = 1;
                            gBattleMoveDamage *= -1;
                            BattleScriptExecute(BattleScript_PoisonHealActivates);
                            effect++;
                        }
                    }
                    else
                    {
                        gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 16;
                        if (gBattleMoveDamage == 0)
                            gBattleMoveDamage = 1;
                        if ((gBattleMons[gActiveBattler].status1 & STATUS1_TOXIC_COUNTER) != STATUS1_TOXIC_COUNTER) // not 16 turns
                            gBattleMons[gActiveBattler].status1 += 0x100;
                        gBattleMoveDamage *= (gBattleMons[gActiveBattler].status1 & STATUS1_TOXIC_COUNTER) >> 8;
                        BattleScriptExecute(BattleScript_PoisonTurnDmg);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_BURN:  // burn
                if ((gBattleMons[gActiveBattler].status1 & STATUS1_BURN)
                    && gBattleMons[gActiveBattler].hp != 0
                    && ability != ABILITY_MAGIC_GUARD)
                {
                    gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 8;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    BattleScriptExecute(BattleScript_BurnTurnDmg);
                    effect++;
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_NIGHTMARES:  // spooky nightmares
                if ((gBattleMons[gActiveBattler].status2 & STATUS2_NIGHTMARE)
                    && gBattleMons[gActiveBattler].hp != 0
                    && ability != ABILITY_MAGIC_GUARD)
                {
                    // R/S does not perform this sleep check, which causes the nightmare effect to
                    // persist even after the affected Pokemon has been awakened by Shed Skin.
                    if (gBattleMons[gActiveBattler].status1 & STATUS1_SLEEP)
                    {
                        gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 4;
                        if (gBattleMoveDamage == 0)
                            gBattleMoveDamage = 1;
                        BattleScriptExecute(BattleScript_NightmareTurnDmg);
                        effect++;
                    }
                    else
                    {
                        gBattleMons[gActiveBattler].status2 &= ~STATUS2_NIGHTMARE;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_CURSE:  // curse
                if ((gBattleMons[gActiveBattler].status2 & STATUS2_CURSED)
                    && gBattleMons[gActiveBattler].hp != 0
                    && ability != ABILITY_MAGIC_GUARD)
                {
                    gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 4;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    BattleScriptExecute(BattleScript_CurseTurnDmg);
                    effect++;
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_WRAP:  // wrap
                if ((gBattleMons[gActiveBattler].status2 & STATUS2_WRAPPED) && gBattleMons[gActiveBattler].hp != 0)
                {
                    if (--gDisableStructs[gActiveBattler].wrapTurns != 0)  // damaged by wrap
                    {
                        // This is the only way I could get this array access to match.
                        gBattleScripting.animArg1 = *(gBattleStruct->wrappedMove + gActiveBattler * 2 + 0);
                        gBattleScripting.animArg2 = *(gBattleStruct->wrappedMove + gActiveBattler * 2 + 1);
                        gBattleTextBuff1[0] = B_BUFF_PLACEHOLDER_BEGIN;
                        gBattleTextBuff1[1] = B_BUFF_MOVE;
                        gBattleTextBuff1[2] = *(gBattleStruct->wrappedMove + gActiveBattler * 2 + 0);
                        gBattleTextBuff1[3] = *(gBattleStruct->wrappedMove + gActiveBattler * 2 + 1);
                        gBattleTextBuff1[4] = EOS;
                        gBattlescriptCurrInstr = BattleScript_WrapTurnDmg;
                        if (GetBattlerHoldEffect(gBattleStruct->wrappedBy[gActiveBattler], TRUE) == HOLD_EFFECT_BINDING_BAND)
                            gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 8;
                        else
                            gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / 16;

                        if (gBattleMoveDamage == 0)
                            gBattleMoveDamage = 1;
                    }
                    else  // broke free
                    {
                        gBattleMons[gActiveBattler].status2 &= ~(STATUS2_WRAPPED);
                        gBattleTextBuff1[0] = B_BUFF_PLACEHOLDER_BEGIN;
                        gBattleTextBuff1[1] = B_BUFF_MOVE;
                        gBattleTextBuff1[2] = *(gBattleStruct->wrappedMove + gActiveBattler * 2 + 0);
                        gBattleTextBuff1[3] = *(gBattleStruct->wrappedMove + gActiveBattler * 2 + 1);
                        gBattleTextBuff1[4] = EOS;
                        gBattlescriptCurrInstr = BattleScript_WrapEnds;
                    }
                    BattleScriptExecute(gBattlescriptCurrInstr);
                    effect++;
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_UPROAR:  // uproar
                if (gBattleMons[gActiveBattler].status2 & STATUS2_UPROAR)
                {
                    for (gBattlerAttacker = 0; gBattlerAttacker < gBattlersCount; gBattlerAttacker++)
                    {
                        if ((gBattleMons[gBattlerAttacker].status1 & STATUS1_SLEEP)
                         && gBattleMons[gBattlerAttacker].ability != ABILITY_SOUNDPROOF)
                        {
                            gBattleMons[gBattlerAttacker].status1 &= ~(STATUS1_SLEEP);
                            gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_NIGHTMARE);
                            gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                            BattleScriptExecute(BattleScript_MonWokeUpInUproar);
                            gActiveBattler = gBattlerAttacker;
                            BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gActiveBattler].status1);
                            MarkBattlerForControllerExec(gActiveBattler);
                            break;
                        }
                    }
                    if (gBattlerAttacker != gBattlersCount)
                    {
                        effect = 2;  // a pokemon was awaken
                        break;
                    }
                    else
                    {
                        gBattlerAttacker = gActiveBattler;
                        gBattleMons[gActiveBattler].status2 -= 0x10;  // uproar timer goes down
                        if (WasUnableToUseMove(gActiveBattler))
                        {
                            CancelMultiTurnMoves(gActiveBattler);
                            gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                        }
                        else if (gBattleMons[gActiveBattler].status2 & STATUS2_UPROAR)
                        {
                            gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                            gBattleMons[gActiveBattler].status2 |= STATUS2_MULTIPLETURNS;
                        }
                        else
                        {
                            gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                            CancelMultiTurnMoves(gActiveBattler);
                        }
                        BattleScriptExecute(BattleScript_PrintUproarOverTurns);
                        effect = 1;
                    }
                }
                if (effect != 2)
                    gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_THRASH:  // thrash
                if (gBattleMons[gActiveBattler].status2 & STATUS2_LOCK_CONFUSE)
                {
                    gBattleMons[gActiveBattler].status2 -= 0x400;
                    if (WasUnableToUseMove(gActiveBattler))
                        CancelMultiTurnMoves(gActiveBattler);
                    else if (!(gBattleMons[gActiveBattler].status2 & STATUS2_LOCK_CONFUSE)
                     && (gBattleMons[gActiveBattler].status2 & STATUS2_MULTIPLETURNS))
                    {
                        gBattleMons[gActiveBattler].status2 &= ~(STATUS2_MULTIPLETURNS);
                        if (!(gBattleMons[gActiveBattler].status2 & STATUS2_CONFUSION))
                        {
                            gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_CONFUSION | MOVE_EFFECT_AFFECTS_USER;
                            SetMoveEffect(1, 0);
                            if (gBattleMons[gActiveBattler].status2 & STATUS2_CONFUSION)
                                BattleScriptExecute(BattleScript_ThrashConfuses);
                            effect++;
                        }
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_DISABLE:  // disable
                if (gDisableStructs[gActiveBattler].disableTimer != 0)
                {
                    s32 i;
                    for (i = 0; i < 4; i++)
                    {
                        if (gDisableStructs[gActiveBattler].disabledMove == gBattleMons[gActiveBattler].moves[i])
                            break;
                    }
                    if (i == 4)  // pokemon does not have the disabled move anymore
                    {
                        gDisableStructs[gActiveBattler].disabledMove = 0;
                        gDisableStructs[gActiveBattler].disableTimer = 0;
                    }
                    else if (--gDisableStructs[gActiveBattler].disableTimer == 0)  // disable ends
                    {
                        gDisableStructs[gActiveBattler].disabledMove = 0;
                        BattleScriptExecute(BattleScript_DisabledNoMore);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_ENCORE:  // encore
                if (gDisableStructs[gActiveBattler].encoreTimer != 0)
                {
                    if (gBattleMons[gActiveBattler].moves[gDisableStructs[gActiveBattler].encoredMovePos] != gDisableStructs[gActiveBattler].encoredMove)  // pokemon does not have the encored move anymore
                    {
                        gDisableStructs[gActiveBattler].encoredMove = 0;
                        gDisableStructs[gActiveBattler].encoreTimer = 0;
                    }
                    else if (--gDisableStructs[gActiveBattler].encoreTimer == 0
                     || gBattleMons[gActiveBattler].pp[gDisableStructs[gActiveBattler].encoredMovePos] == 0)
                    {
                        gDisableStructs[gActiveBattler].encoredMove = 0;
                        gDisableStructs[gActiveBattler].encoreTimer = 0;
                        BattleScriptExecute(BattleScript_EncoredNoMore);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_LOCK_ON:  // lock-on decrement
                if (gStatuses3[gActiveBattler] & STATUS3_ALWAYS_HITS)
                    gStatuses3[gActiveBattler] -= 0x8;
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_CHARGE:  // charge
                if (gDisableStructs[gActiveBattler].chargeTimer && --gDisableStructs[gActiveBattler].chargeTimer == 0)
                    gStatuses3[gActiveBattler] &= ~STATUS3_CHARGED_UP;
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_TAUNT:  // taunt
                if (gDisableStructs[gActiveBattler].tauntTimer)
                    gDisableStructs[gActiveBattler].tauntTimer--;
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_YAWN:  // yawn
                if (gStatuses3[gActiveBattler] & STATUS3_YAWN)
                {
                    gStatuses3[gActiveBattler] -= 0x800;
                    if (!(gStatuses3[gActiveBattler] & STATUS3_YAWN) && !(gBattleMons[gActiveBattler].status1 & STATUS1_ANY)
                     && gBattleMons[gActiveBattler].ability != ABILITY_VITAL_SPIRIT
                     && gBattleMons[gActiveBattler].ability != ABILITY_INSOMNIA && !UproarWakeUpCheck(gActiveBattler))
                    {
                        CancelMultiTurnMoves(gActiveBattler);
                        gBattleMons[gActiveBattler].status1 |= (Random() & 3) + 2;
                        BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gActiveBattler].status1);
                        MarkBattlerForControllerExec(gActiveBattler);
                        gEffectBattler = gActiveBattler;
                        BattleScriptExecute(BattleScript_YawnMakesAsleep);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_LASER_FOCUS:
                if (gStatuses3[gActiveBattler] & STATUS3_LASER_FOCUS)
                {
                    if (gDisableStructs[gActiveBattler].laserFocusTimer != 0)
                        gDisableStructs[gActiveBattler].laserFocusTimer--;
                    if (gDisableStructs[gActiveBattler].laserFocusTimer == 0)
                        gStatuses3[gActiveBattler] &= ~(STATUS3_LASER_FOCUS);
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_EMBARGO:
                if (gStatuses3[gActiveBattler] & STATUS3_EMBARGO)
                {
                    if (gDisableStructs[gActiveBattler].embargoTimer != 0)
                        gDisableStructs[gActiveBattler].embargoTimer--;
                    if (gDisableStructs[gActiveBattler].embargoTimer == 0)
                    {
                        gStatuses3[gActiveBattler] &= ~(STATUS3_EMBARGO);
                        BattleScriptExecute(BattleScript_EmbargoEndTurn);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_MAGNET_RISE:
                if (gStatuses3[gActiveBattler] & STATUS3_MAGNET_RISE)
                {
                    if (gDisableStructs[gActiveBattler].magnetRiseTimer != 0)
                        gDisableStructs[gActiveBattler].magnetRiseTimer--;
                    if (gDisableStructs[gActiveBattler].magnetRiseTimer == 0)
                    {
                        gStatuses3[gActiveBattler] &= ~(STATUS3_MAGNET_RISE);
                        BattleScriptExecute(BattleScript_MagnetRiseEndTurn);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_TELEKINESIS:
                if (gStatuses3[gActiveBattler] & STATUS3_TELEKINESIS)
                {
                    if (gDisableStructs[gActiveBattler].telekinesisTimer != 0)
                        gDisableStructs[gActiveBattler].telekinesisTimer--;
                    if (gDisableStructs[gActiveBattler].telekinesisTimer == 0)
                    {
                        gStatuses3[gActiveBattler] &= ~(STATUS3_TELEKINESIS);
                        BattleScriptExecute(BattleScript_TelekinesisEndTurn);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_HEALBLOCK:
                if (gStatuses3[gActiveBattler] & STATUS3_HEAL_BLOCK)
                {
                    if (gDisableStructs[gActiveBattler].healBlockTimer != 0)
                        gDisableStructs[gActiveBattler].healBlockTimer--;
                    if (gDisableStructs[gActiveBattler].healBlockTimer == 0)
                    {
                        gStatuses3[gActiveBattler] &= ~(STATUS3_HEAL_BLOCK);
                        BattleScriptExecute(BattleScript_HealBlockEndTurn);
                        effect++;
                    }
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_ROOST: // Return flying type.
                if (gBattleResources->flags->flags[gActiveBattler] & RESOURCE_FLAG_ROOST)
                {
                    gBattleResources->flags->flags[gActiveBattler] &= ~(RESOURCE_FLAG_ROOST);
                    gBattleMons[gActiveBattler].type1 = gBattleStruct->roostTypes[gActiveBattler][0];
                    gBattleMons[gActiveBattler].type2 = gBattleStruct->roostTypes[gActiveBattler][1];
                }
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_ELECTRIFY:
                gStatuses3[gActiveBattler] &= ~(STATUS3_ELECTRIFIED);
                gBattleStruct->turnEffectsTracker++;
                break;
            case ENDTURN_BATTLER_COUNT:  // done
                gBattleStruct->turnEffectsTracker = 0;
                gBattleStruct->turnEffectsBattlerId++;
                break;
            }
            if (effect != 0)
                return effect;
        }
    }
    gHitMarker &= ~(HITMARKER_GRUDGE | HITMARKER_x20);
    return 0;
}

bool8 HandleWishPerishSongOnTurnEnd(void)
{
    gHitMarker |= (HITMARKER_GRUDGE | HITMARKER_x20);

    switch (gBattleStruct->wishPerishSongState)
    {
    case 0:
        while (gBattleStruct->wishPerishSongBattlerId < gBattlersCount)
        {
            gActiveBattler = gBattleStruct->wishPerishSongBattlerId;
            if (gAbsentBattlerFlags & gBitTable[gActiveBattler])
            {
                gBattleStruct->wishPerishSongBattlerId++;
                continue;
            }

            gBattleStruct->wishPerishSongBattlerId++;
            if (gWishFutureKnock.futureSightCounter[gActiveBattler] != 0
             && --gWishFutureKnock.futureSightCounter[gActiveBattler] == 0
             && gBattleMons[gActiveBattler].hp != 0)
            {
                if (gWishFutureKnock.futureSightMove[gActiveBattler] == MOVE_FUTURE_SIGHT)
                    gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                else
                    gBattleCommunication[MULTISTRING_CHOOSER] = 1;

                PREPARE_MOVE_BUFFER(gBattleTextBuff1, gWishFutureKnock.futureSightMove[gActiveBattler]);

                gBattlerTarget = gActiveBattler;
                gBattlerAttacker = gWishFutureKnock.futureSightAttacker[gActiveBattler];
                gBattleMoveDamage = gWishFutureKnock.futureSightDmg[gActiveBattler];
                gSpecialStatuses[gBattlerTarget].dmg = 0xFFFF;
                BattleScriptExecute(BattleScript_MonTookFutureAttack);

                if (gWishFutureKnock.futureSightCounter[gActiveBattler] == 0
                 && gWishFutureKnock.futureSightCounter[gActiveBattler ^ BIT_FLANK] == 0)
                {
                    gSideStatuses[GET_BATTLER_SIDE(gBattlerTarget)] &= ~(SIDE_STATUS_FUTUREATTACK);
                }
                return TRUE;
            }
        }
        // Why do I have to keep doing this to match?
        {
            u8 *state = &gBattleStruct->wishPerishSongState;
            *state = 1;
            gBattleStruct->wishPerishSongBattlerId = 0;
        }
        // fall through
    case 1:
        while (gBattleStruct->wishPerishSongBattlerId < gBattlersCount)
        {
            gActiveBattler = gBattlerAttacker = gBattlerByTurnOrder[gBattleStruct->wishPerishSongBattlerId];
            if (gAbsentBattlerFlags & gBitTable[gActiveBattler])
            {
                gBattleStruct->wishPerishSongBattlerId++;
                continue;
            }
            gBattleStruct->wishPerishSongBattlerId++;
            if (gStatuses3[gActiveBattler] & STATUS3_PERISH_SONG)
            {
                PREPARE_BYTE_NUMBER_BUFFER(gBattleTextBuff1, 1, gDisableStructs[gActiveBattler].perishSongTimer);
                if (gDisableStructs[gActiveBattler].perishSongTimer == 0)
                {
                    gStatuses3[gActiveBattler] &= ~STATUS3_PERISH_SONG;
                    gBattleMoveDamage = gBattleMons[gActiveBattler].hp;
                    gBattlescriptCurrInstr = BattleScript_PerishSongTakesLife;
                }
                else
                {
                    gDisableStructs[gActiveBattler].perishSongTimer--;
                    gBattlescriptCurrInstr = BattleScript_PerishSongCountGoesDown;
                }
                BattleScriptExecute(gBattlescriptCurrInstr);
                return TRUE;
            }
        }
        // Hm...
        {
            u8 *state = &gBattleStruct->wishPerishSongState;
            *state = 2;
            gBattleStruct->wishPerishSongBattlerId = 0;
        }
        // fall through
    case 2:
        if ((gBattleTypeFlags & BATTLE_TYPE_ARENA)
         && gBattleStruct->field_DA == 2
         && gBattleMons[0].hp != 0 && gBattleMons[1].hp != 0)
        {
            s32 i;

            for (i = 0; i < 2; i++)
                CancelMultiTurnMoves(i);

            gBattlescriptCurrInstr = BattleScript_ArenaDoJudgment;
            BattleScriptExecute(BattleScript_ArenaDoJudgment);
            gBattleStruct->wishPerishSongState++;
            return TRUE;
        }
        break;
    }

    gHitMarker &= ~(HITMARKER_GRUDGE | HITMARKER_x20);

    return FALSE;
}

#define FAINTED_ACTIONS_MAX_CASE 7

bool8 HandleFaintedMonActions(void)
{
    if (gBattleTypeFlags & BATTLE_TYPE_SAFARI)
        return FALSE;
    do
    {
        s32 i;
        switch (gBattleStruct->faintedActionsState)
        {
        case 0:
            gBattleStruct->faintedActionsBattlerId = 0;
            gBattleStruct->faintedActionsState++;
            for (i = 0; i < gBattlersCount; i++)
            {
                if (gAbsentBattlerFlags & gBitTable[i] && !HasNoMonsToSwitch(i, 6, 6))
                    gAbsentBattlerFlags &= ~(gBitTable[i]);
            }
            // fall through
        case 1:
            do
            {
                gBattlerFainted = gBattlerTarget = gBattleStruct->faintedActionsBattlerId;
                if (gBattleMons[gBattleStruct->faintedActionsBattlerId].hp == 0
                 && !(gBattleStruct->field_DF & gBitTable[gBattlerPartyIndexes[gBattleStruct->faintedActionsBattlerId]])
                 && !(gAbsentBattlerFlags & gBitTable[gBattleStruct->faintedActionsBattlerId]))
                {
                    BattleScriptExecute(BattleScript_GiveExp);
                    gBattleStruct->faintedActionsState = 2;
                    return TRUE;
                }
            } while (++gBattleStruct->faintedActionsBattlerId != gBattlersCount);
            gBattleStruct->faintedActionsState = 3;
            break;
        case 2:
            sub_803F9EC(gBattlerFainted);
            if (++gBattleStruct->faintedActionsBattlerId == gBattlersCount)
                gBattleStruct->faintedActionsState = 3;
            else
                gBattleStruct->faintedActionsState = 1;
            break;
        case 3:
            gBattleStruct->faintedActionsBattlerId = 0;
            gBattleStruct->faintedActionsState++;
            // fall through
        case 4:
            do
            {
                gBattlerFainted = gBattlerTarget = gBattleStruct->faintedActionsBattlerId;
                if (gBattleMons[gBattleStruct->faintedActionsBattlerId].hp == 0
                 && !(gAbsentBattlerFlags & gBitTable[gBattleStruct->faintedActionsBattlerId]))
                {
                    BattleScriptExecute(BattleScript_HandleFaintedMon);
                    gBattleStruct->faintedActionsState = 5;
                    return TRUE;
                }
            } while (++gBattleStruct->faintedActionsBattlerId != gBattlersCount);
            gBattleStruct->faintedActionsState = 6;
            break;
        case 5:
            if (++gBattleStruct->faintedActionsBattlerId == gBattlersCount)
                gBattleStruct->faintedActionsState = 6;
            else
                gBattleStruct->faintedActionsState = 4;
            break;
        case 6:
            if (AbilityBattleEffects(ABILITYEFFECT_INTIMIDATE1, 0, 0, 0, 0) || AbilityBattleEffects(ABILITYEFFECT_TRACE, 0, 0, 0, 0) || ItemBattleEffects(1, 0, TRUE) || AbilityBattleEffects(ABILITYEFFECT_FORECAST, 0, 0, 0, 0))
                return TRUE;
            gBattleStruct->faintedActionsState++;
            break;
        case FAINTED_ACTIONS_MAX_CASE:
            break;
        }
    } while (gBattleStruct->faintedActionsState != FAINTED_ACTIONS_MAX_CASE);
    return FALSE;
}

void TryClearRageAndFuryCutter(void)
{
    s32 i;
    for (i = 0; i < gBattlersCount; i++)
    {
        if ((gBattleMons[i].status2 & STATUS2_RAGE) && gChosenMoveByBattler[i] != MOVE_RAGE)
            gBattleMons[i].status2 &= ~(STATUS2_RAGE);
        if (gDisableStructs[i].furyCutterCounter != 0 && gChosenMoveByBattler[i] != MOVE_FURY_CUTTER)
            gDisableStructs[i].furyCutterCounter = 0;
    }
}

enum
{
	CANCELLER_FLAGS,
	CANCELLER_ASLEEP,
	CANCELLER_FROZEN,
	CANCELLER_TRUANT,
	CANCELLER_RECHARGE,
	CANCELLER_FLINCH,
	CANCELLER_DISABLED,
	CANCELLER_GRAVITY,
	CANCELLER_HEAL_BLOCKED,
	CANCELLER_TAUNTED,
	CANCELLER_IMPRISONED,
	CANCELLER_CONFUSED,
	CANCELLER_PARALYSED,
	CANCELLER_IN_LOVE,
	CANCELLER_BIDE,
	CANCELLER_THAW,
	CANCELLER_END,
};

u8 AtkCanceller_UnableToUseMove(void)
{
    u8 effect = 0;
    s32 *bideDmg = &gBattleScripting.bideDmg;
    do
    {
        switch (gBattleStruct->atkCancellerTracker)
        {
        case CANCELLER_FLAGS: // flags clear
            gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_DESTINY_BOND);
            gStatuses3[gBattlerAttacker] &= ~(STATUS3_GRUDGE);
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_ASLEEP: // check being asleep
            if (gBattleMons[gBattlerAttacker].status1 & STATUS1_SLEEP)
            {
                if (UproarWakeUpCheck(gBattlerAttacker))
                {
                    gBattleMons[gBattlerAttacker].status1 &= ~(STATUS1_SLEEP);
                    gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_NIGHTMARE);
                    BattleScriptPushCursor();
                    gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                    gBattlescriptCurrInstr = BattleScript_MoveUsedWokeUp;
                    effect = 2;
                }
                else
                {
                    u8 toSub;
                    if (gBattleMons[gBattlerAttacker].ability == ABILITY_EARLY_BIRD)
                        toSub = 2;
                    else
                        toSub = 1;
                    if ((gBattleMons[gBattlerAttacker].status1 & STATUS1_SLEEP) < toSub)
                        gBattleMons[gBattlerAttacker].status1 &= ~(STATUS1_SLEEP);
                    else
                        gBattleMons[gBattlerAttacker].status1 -= toSub;
                    if (gBattleMons[gBattlerAttacker].status1 & STATUS1_SLEEP)
                    {
                        if (gCurrentMove != MOVE_SNORE && gCurrentMove != MOVE_SLEEP_TALK)
                        {
                            gBattlescriptCurrInstr = BattleScript_MoveUsedIsAsleep;
                            gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                            effect = 2;
                        }
                    }
                    else
                    {
                        gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_NIGHTMARE);
                        BattleScriptPushCursor();
                        gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                        gBattlescriptCurrInstr = BattleScript_MoveUsedWokeUp;
                        effect = 2;
                    }
                }
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_FROZEN: // check being frozen
            if (gBattleMons[gBattlerAttacker].status1 & STATUS1_FREEZE)
            {
                if (Random() % 5)
                {
                    if (gBattleMoves[gCurrentMove].effect != EFFECT_THAW_HIT) // unfreezing via a move effect happens in case 13
                    {
                        gBattlescriptCurrInstr = BattleScript_MoveUsedIsFrozen;
                        gHitMarker |= HITMARKER_NO_ATTACKSTRING;
                    }
                    else
                    {
                        gBattleStruct->atkCancellerTracker++;
                        break;
                    }
                }
                else // unfreeze
                {
                    gBattleMons[gBattlerAttacker].status1 &= ~(STATUS1_FREEZE);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_MoveUsedUnfroze;
                    gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                }
                effect = 2;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_TRUANT: // truant
            if (gBattleMons[gBattlerAttacker].ability == ABILITY_TRUANT && gDisableStructs[gBattlerAttacker].truantCounter)
            {
                CancelMultiTurnMoves(gBattlerAttacker);
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                gBattlerAbility = gBattlerAttacker;
                gBattlescriptCurrInstr = BattleScript_MoveUsedLoafingAround;
                gMoveResultFlags |= MOVE_RESULT_MISSED;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_RECHARGE: // recharge
            if (gBattleMons[gBattlerAttacker].status2 & STATUS2_RECHARGE)
            {
                gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_RECHARGE);
                gDisableStructs[gBattlerAttacker].rechargeTimer = 0;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedMustRecharge;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_FLINCH: // flinch
            if (gBattleMons[gBattlerAttacker].status2 & STATUS2_FLINCHED)
            {
                gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_FLINCHED);
                gProtectStructs[gBattlerAttacker].flinchImmobility = 1;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedFlinched;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_DISABLED: // disabled move
            if (gDisableStructs[gBattlerAttacker].disabledMove == gCurrentMove && gDisableStructs[gBattlerAttacker].disabledMove != 0)
            {
                gProtectStructs[gBattlerAttacker].usedDisabledMove = 1;
                gBattleScripting.battler = gBattlerAttacker;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedIsDisabled;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_HEAL_BLOCKED:
            if (gStatuses3[gBattlerAttacker] & STATUS3_HEAL_BLOCK && IsHealBlockPreventingMove(gBattlerAttacker, gCurrentMove))
            {
                gProtectStructs[gBattlerAttacker].usedHealBlockedMove = 1;
                gBattleScripting.battler = gBattlerAttacker;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedHealBlockPrevents;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_GRAVITY:
            if (gFieldStatuses & STATUS_FIELD_GRAVITY && IsGravityPreventingMove(gCurrentMove))
            {
                gProtectStructs[gBattlerAttacker].usedGravityPreventedMove = 1;
                gBattleScripting.battler = gBattlerAttacker;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedGravityPrevents;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_TAUNTED: // taunt
            if (gDisableStructs[gBattlerAttacker].tauntTimer && gBattleMoves[gCurrentMove].power == 0)
            {
                gProtectStructs[gBattlerAttacker].usedTauntedMove = 1;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedIsTaunted;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_IMPRISONED: // imprisoned
            if (GetImprisonedMovesCount(gBattlerAttacker, gCurrentMove))
            {
                gProtectStructs[gBattlerAttacker].usedImprisionedMove = 1;
                CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedIsImprisoned;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_CONFUSED: // confusion
            if (gBattleMons[gBattlerAttacker].status2 & STATUS2_CONFUSION)
            {
                gBattleMons[gBattlerAttacker].status2--;
                if (gBattleMons[gBattlerAttacker].status2 & STATUS2_CONFUSION)
                {
                    if (Random() & 1)
                    {
                        gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                        BattleScriptPushCursor();
                    }
                    else // confusion dmg
                    {
                        gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                        gBattlerTarget = gBattlerAttacker;
                        gBattleMoveDamage = CalculateMoveDamage(MOVE_NONE, gBattlerAttacker, gBattlerAttacker, TYPE_MYSTERY, 40, FALSE, FALSE);
                        gProtectStructs[gBattlerAttacker].confusionSelfDmg = 1;
                        gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                    }
                    gBattlescriptCurrInstr = BattleScript_MoveUsedIsConfused;
                }
                else // snapped out of confusion
                {
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_MoveUsedIsConfusedNoMore;
                }
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_PARALYSED: // paralysis
            if ((gBattleMons[gBattlerAttacker].status1 & STATUS1_PARALYSIS) && (Random() % 4) == 0)
            {
                gProtectStructs[gBattlerAttacker].prlzImmobility = 1;
                // This is removed in Emerald for some reason
                //CancelMultiTurnMoves(gBattlerAttacker);
                gBattlescriptCurrInstr = BattleScript_MoveUsedIsParalyzed;
                gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_IN_LOVE: // infatuation
            if (gBattleMons[gBattlerAttacker].status2 & STATUS2_INFATUATION)
            {
                gBattleScripting.battler = CountTrailingZeroBits((gBattleMons[gBattlerAttacker].status2 & STATUS2_INFATUATION) >> 0x10);
                if (Random() & 1)
                {
                    BattleScriptPushCursor();
                }
                else
                {
                    BattleScriptPush(BattleScript_MoveUsedIsParalyzedCantAttack);
                    gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
                    gProtectStructs[gBattlerAttacker].loveImmobility = 1;
                    CancelMultiTurnMoves(gBattlerAttacker);
                }
                gBattlescriptCurrInstr = BattleScript_MoveUsedIsInLove;
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_BIDE: // bide
            if (gBattleMons[gBattlerAttacker].status2 & STATUS2_BIDE)
            {
                gBattleMons[gBattlerAttacker].status2 -= 0x100;
                if (gBattleMons[gBattlerAttacker].status2 & STATUS2_BIDE)
                {
                    gBattlescriptCurrInstr = BattleScript_BideStoringEnergy;
                }
                else
                {
                    // This is removed in Emerald for some reason
                    //gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_MULTIPLETURNS);
                    if (gTakenDmg[gBattlerAttacker])
                    {
                        gCurrentMove = MOVE_BIDE;
                        *bideDmg = gTakenDmg[gBattlerAttacker] * 2;
                        gBattlerTarget = gTakenDmgByBattler[gBattlerAttacker];
                        if (gAbsentBattlerFlags & gBitTable[gBattlerTarget])
                            gBattlerTarget = GetMoveTarget(MOVE_BIDE, 1);
                        gBattlescriptCurrInstr = BattleScript_BideAttack;
                    }
                    else
                    {
                        gBattlescriptCurrInstr = BattleScript_BideNoEnergyToAttack;
                    }
                }
                effect = 1;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_THAW: // move thawing
            if (gBattleMons[gBattlerAttacker].status1 & STATUS1_FREEZE)
            {
                if (gBattleMoves[gCurrentMove].effect == EFFECT_THAW_HIT)
                {
                    gBattleMons[gBattlerAttacker].status1 &= ~(STATUS1_FREEZE);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_MoveUsedUnfroze;
                    gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                }
                effect = 2;
            }
            gBattleStruct->atkCancellerTracker++;
            break;
        case CANCELLER_END:
            break;
        }

    } while (gBattleStruct->atkCancellerTracker != CANCELLER_END && effect == 0);

    if (effect == 2)
    {
        gActiveBattler = gBattlerAttacker;
        BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gActiveBattler].status1);
        MarkBattlerForControllerExec(gActiveBattler);
    }
    return effect;
}

bool8 HasNoMonsToSwitch(u8 battler, u8 partyIdBattlerOn1, u8 partyIdBattlerOn2)
{
    struct Pokemon *party;
    u8 id1, id2;
    s32 i;

    if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
        return FALSE;

    if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER)
    {
        if (GetBattlerSide(battler) == B_SIDE_PLAYER)
            party = gPlayerParty;
        else
            party = gEnemyParty;

        id1 = ((battler & BIT_FLANK) / 2);
        for (i = id1 * 3; i < id1 * 3 + 3; i++)
        {
            if (GetMonData(&party[i], MON_DATA_HP) != 0
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_NONE
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_EGG)
                break;
        }
        return (i == id1 * 3 + 3);
    }
    else if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
    {
        if (gBattleTypeFlags & BATTLE_TYPE_x800000)
        {
            if (GetBattlerSide(battler) == B_SIDE_PLAYER)
            {
                party = gPlayerParty;
                id2 = GetBattlerMultiplayerId(battler);
                id1 = GetLinkTrainerFlankId(id2);
            }
            else
            {
                // FIXME: Compiler insists on moving r4 into r1 before doing the eor.
                #ifndef NONMATCHING
                    register u32 var asm("r1");
                #else
                    u32 var;
                #endif // NONMATCHING

                party = gEnemyParty;
                var = battler ^ BIT_SIDE;
                if (var == 0)
                    id1 = 0;
                else
                    id1 = 1;
            }
        }
        else
        {
            id2 = GetBattlerMultiplayerId(battler);

            if (GetBattlerSide(battler) == B_SIDE_PLAYER)
                party = gPlayerParty;
            else
                party = gEnemyParty;

            id1 = GetLinkTrainerFlankId(id2);
        }

        for (i = id1 * 3; i < id1 * 3 + 3; i++)
        {
            if (GetMonData(&party[i], MON_DATA_HP) != 0
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_NONE
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_EGG)
                break;
        }
        return (i == id1 * 3 + 3);
    }
    else if ((gBattleTypeFlags & BATTLE_TYPE_TWO_OPPONENTS) && GetBattlerSide(battler) == B_SIDE_OPPONENT)
    {
        party = gEnemyParty;

        if (battler == 1)
            id1 = 0;
        else
            id1 = 3;

        for (i = id1; i < id1 + 3; i++)
        {
            if (GetMonData(&party[i], MON_DATA_HP) != 0
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_NONE
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_EGG)
                break;
        }
        return (i == id1 + 3);
    }
    else
    {
        if (GetBattlerSide(battler) == B_SIDE_OPPONENT)
        {
            id2 = GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT);
            id1 = GetBattlerAtPosition(B_POSITION_OPPONENT_RIGHT);
            party = gEnemyParty;
        }
        else
        {
            id2 = GetBattlerAtPosition(B_POSITION_PLAYER_LEFT);
            id1 = GetBattlerAtPosition(B_POSITION_PLAYER_RIGHT);
            party = gPlayerParty;
        }

        if (partyIdBattlerOn1 == PARTY_SIZE)
            partyIdBattlerOn1 = gBattlerPartyIndexes[id2];
        if (partyIdBattlerOn2 == PARTY_SIZE)
            partyIdBattlerOn2 = gBattlerPartyIndexes[id1];

        for (i = 0; i < PARTY_SIZE; i++)
        {
            if (GetMonData(&party[i], MON_DATA_HP) != 0
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_NONE
             && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_EGG
             && i != partyIdBattlerOn1 && i != partyIdBattlerOn2
             && i != *(gBattleStruct->monToSwitchIntoId + id2) && i != id1[gBattleStruct->monToSwitchIntoId])
                break;
        }
        return (i == PARTY_SIZE);
    }
}

enum
{
    CASTFORM_NO_CHANGE, //0
    CASTFORM_TO_NORMAL, //1
    CASTFORM_TO_FIRE,   //2
    CASTFORM_TO_WATER,  //3
    CASTFORM_TO_ICE,    //4
};

u8 CastformDataTypeChange(u8 battler)
{
    u8 formChange = 0;
    if (gBattleMons[battler].species != SPECIES_CASTFORM || gBattleMons[battler].ability != ABILITY_FORECAST || gBattleMons[battler].hp == 0)
        return CASTFORM_NO_CHANGE;
    if (!WEATHER_HAS_EFFECT && !IS_BATTLER_OF_TYPE(battler, TYPE_NORMAL))
    {
        SET_BATTLER_TYPE(battler, TYPE_NORMAL);
        return CASTFORM_TO_NORMAL;
    }
    if (!WEATHER_HAS_EFFECT)
        return CASTFORM_NO_CHANGE;
    if (!(gBattleWeather & (WEATHER_RAIN_ANY | WEATHER_SUN_ANY | WEATHER_HAIL_ANY)) && !IS_BATTLER_OF_TYPE(battler, TYPE_NORMAL))
    {
        SET_BATTLER_TYPE(battler, TYPE_NORMAL);
        formChange = CASTFORM_TO_NORMAL;
    }
    if (gBattleWeather & WEATHER_SUN_ANY && !IS_BATTLER_OF_TYPE(battler, TYPE_FIRE))
    {
        SET_BATTLER_TYPE(battler, TYPE_FIRE);
        formChange = CASTFORM_TO_FIRE;
    }
    if (gBattleWeather & WEATHER_RAIN_ANY && !IS_BATTLER_OF_TYPE(battler, TYPE_WATER))
    {
        SET_BATTLER_TYPE(battler, TYPE_WATER);
        formChange = CASTFORM_TO_WATER;
    }
    if (gBattleWeather & WEATHER_HAIL_ANY && !IS_BATTLER_OF_TYPE(battler, TYPE_ICE))
    {
        SET_BATTLER_TYPE(battler, TYPE_ICE);
        formChange = CASTFORM_TO_ICE;
    }
    return formChange;
}

static const u16 sWeatherFlagsInfo[][3] =
{
    [ENUM_WEATHER_RAIN] = {WEATHER_RAIN_TEMPORARY, WEATHER_RAIN_PERMANENT, HOLD_EFFECT_DAMP_ROCK},
    [ENUM_WEATHER_SUN] = {WEATHER_SUN_TEMPORARY, WEATHER_SUN_PERMANENT, HOLD_EFFECT_HEAT_ROCK},
    [ENUM_WEATHER_SANDSTORM] = {WEATHER_SANDSTORM_TEMPORARY, WEATHER_SANDSTORM_PERMANENT, HOLD_EFFECT_SMOOTH_ROCK},
    [ENUM_WEATHER_HAIL] = {WEATHER_HAIL_TEMPORARY, WEATHER_HAIL_PERMANENT, HOLD_EFFECT_ICY_ROCK},
};

bool32 TryChangeBattleWeather(u8 battler, u32 weatherEnumId, bool32 viaAbility)
{
    if (viaAbility && B_ABILITY_WEATHER <= GEN_5
        && !(gBattleWeather & sWeatherFlagsInfo[weatherEnumId][1]))
    {
        gBattleWeather = (sWeatherFlagsInfo[weatherEnumId][0] | sWeatherFlagsInfo[weatherEnumId][1]);
        return TRUE;
    }
    else if (B_ABILITY_WEATHER > GEN_5
        && !(gBattleWeather & (sWeatherFlagsInfo[weatherEnumId][0] | sWeatherFlagsInfo[weatherEnumId][1])))
    {
        gBattleWeather = (sWeatherFlagsInfo[weatherEnumId][0]);
        if (GetBattlerHoldEffect(battler, TRUE) == sWeatherFlagsInfo[weatherEnumId][2])
            gWishFutureKnock.weatherDuration = 8;
        else
            gWishFutureKnock.weatherDuration = 5;

        return TRUE;
    }
    else
    {
        return FALSE;
    }
}

u8 AbilityBattleEffects(u8 caseID, u8 battler, u8 ability, u8 special, u16 moveArg)
{
    u8 effect = 0;
    u32 speciesAtk, speciesDef;
    u32 pidAtk, pidDef;
    u32 moveType;
    u32 i;
    u32 move;
    u8 side;
    u8 target1;

    if (gBattleTypeFlags & BATTLE_TYPE_SAFARI)
        return;

    if (gBattlerAttacker >= gBattlersCount)
        gBattlerAttacker = battler;

    speciesAtk = gBattleMons[gBattlerAttacker].species;
    pidAtk = gBattleMons[gBattlerAttacker].personality;

    speciesDef = gBattleMons[gBattlerTarget].species;
    pidDef = gBattleMons[gBattlerTarget].personality;

    gLastUsedAbility = GetBattlerAbility(battler);

    if (moveArg)
        move = moveArg;
    else
        move = gCurrentMove;

    GET_MOVE_TYPE(move, moveType);

    switch (caseID)
    {
    case ABILITYEFFECT_ON_SWITCHIN: // 0
        switch (gLastUsedAbility)
        {
        case ABILITYEFFECT_SWITCH_IN_WEATHER:
            if (!(gBattleTypeFlags & BATTLE_TYPE_RECORDED))
            {
                switch (weather_get_current())
                {
                case 3:
                case 5:
                case 13:
                    if (!(gBattleWeather & WEATHER_RAIN_ANY))
                    {
                        gBattleWeather = (WEATHER_RAIN_TEMPORARY | WEATHER_RAIN_PERMANENT);
                        gBattleScripting.animArg1 = B_ANIM_RAIN_CONTINUES;
                        gBattleScripting.battler = battler;
                        effect++;
                    }
                    break;
                case 8:
                    if (!(gBattleWeather & WEATHER_SANDSTORM_ANY))
                    {
                        gBattleWeather = (WEATHER_SANDSTORM_PERMANENT | WEATHER_SANDSTORM_TEMPORARY);
                        gBattleScripting.animArg1 = B_ANIM_SANDSTORM_CONTINUES;
                        gBattleScripting.battler = battler;
                        effect++;
                    }
                    break;
                case 12:
                    if (!(gBattleWeather & WEATHER_SUN_ANY))
                    {
                        gBattleWeather = (WEATHER_SUN_PERMANENT | WEATHER_SUN_TEMPORARY);
                        gBattleScripting.animArg1 = B_ANIM_SUN_CONTINUES;
                        gBattleScripting.battler = battler;
                        effect++;
                    }
                    break;
                }
            }
            if (effect)
            {
                gBattleCommunication[MULTISTRING_CHOOSER] = weather_get_current();
                BattleScriptPushCursorAndCallback(BattleScript_OverworldWeatherStarts);
            }
            break;
        case ABILITY_IMPOSTER:
            if (IsBattlerAlive(BATTLE_OPPOSITE(battler))
                && !(gBattleMons[BATTLE_OPPOSITE(battler)].status2 & (STATUS2_TRANSFORMED | STATUS2_SUBSTITUTE))
                && !(gBattleMons[battler].status2 & STATUS2_TRANSFORMED))
            {
                gBattlerTarget = BATTLE_OPPOSITE(battler);
                BattleScriptPushCursorAndCallback(BattleScript_ImposterActivates);
                effect++;
            }
            break;
        case ABILITY_MOLD_BREAKER:
            if (!gSpecialStatuses[battler].switchInAbilityDone)
            {
                gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                gSpecialStatuses[battler].switchInAbilityDone = 1;
                BattleScriptPushCursorAndCallback(BattleScript_SwitchInAbilityMsg);
                effect++;
            }
            break;
        case ABILITY_TERAVOLT:
            if (!gSpecialStatuses[battler].switchInAbilityDone)
            {
                gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                gSpecialStatuses[battler].switchInAbilityDone = 1;
                BattleScriptPushCursorAndCallback(BattleScript_SwitchInAbilityMsg);
                effect++;
            }
            break;
        case ABILITY_TURBOBLAZE:
            if (!gSpecialStatuses[battler].switchInAbilityDone)
            {
                gBattleCommunication[MULTISTRING_CHOOSER] = 2;
                gSpecialStatuses[battler].switchInAbilityDone = 1;
                BattleScriptPushCursorAndCallback(BattleScript_SwitchInAbilityMsg);
                effect++;
            }
            break;
        case ABILITY_SLOW_START:
            if (!gSpecialStatuses[battler].switchInAbilityDone)
            {
                gBattleCommunication[MULTISTRING_CHOOSER] = 3;
                gSpecialStatuses[battler].switchInAbilityDone = 1;
                BattleScriptPushCursorAndCallback(BattleScript_SwitchInAbilityMsg);
                effect++;
            }
            break;
        case ABILITY_UNNERVE:
            if (!gSpecialStatuses[battler].switchInAbilityDone)
            {
                gBattleCommunication[MULTISTRING_CHOOSER] = 4;
                gSpecialStatuses[battler].switchInAbilityDone = 1;
                BattleScriptPushCursorAndCallback(BattleScript_SwitchInAbilityMsg);
                effect++;
            }
            break;
        case ABILITY_DOWNLOAD:
            if (!gSpecialStatuses[battler].switchInAbilityDone)
            {
                u8 statId;
                u32 opposingBattler = BATTLE_OPPOSITE(battler);
                u32 opposingDef = gBattleMons[opposingBattler].defense
                                * gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_DEF]][0]
                                / gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_DEF]][1];
                u32 opposingSpDef = gBattleMons[opposingBattler].spDefense
                                  * gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_SPDEF]][0]
                                  / gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_SPDEF]][1];

                opposingBattler = BATTLE_PARTNER(opposingBattler);
                if (IsBattlerAlive(opposingBattler))
                {
                    opposingDef += gBattleMons[opposingBattler].defense
                                * gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_DEF]][0]
                                / gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_DEF]][1];
                    opposingSpDef += gBattleMons[opposingBattler].spDefense
                                  * gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_SPDEF]][0]
                                  / gStatStageRatios[gBattleMons[opposingBattler].statStages[STAT_SPDEF]][1];
                }

                if (opposingSpDef > opposingDef)
                    statId = STAT_SPATK;
                else
                    statId = STAT_ATK;

                gSpecialStatuses[battler].switchInAbilityDone = 1;

                if (gBattleMons[battler].statStages[statId] != 0xC)
                {
                    gBattleMons[battler].statStages[statId]++;
                    SET_STATCHANGER(statId, 1, FALSE);
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, statId);
                    BattleScriptPushCursorAndCallback(BattleScript_AttackerAbilityStatRaiseEnd3);
                    effect++;
                }
            }
            break;
        case ABILITY_DRIZZLE:
            if (TryChangeBattleWeather(battler, ENUM_WEATHER_RAIN, TRUE))
            {
                BattleScriptPushCursorAndCallback(BattleScript_DrizzleActivates);
                gBattleScripting.battler = battler;
                effect++;
            }
            break;
        case ABILITY_SAND_STREAM:
            if (TryChangeBattleWeather(battler, ENUM_WEATHER_SANDSTORM, TRUE))
            {
                BattleScriptPushCursorAndCallback(BattleScript_DrizzleActivates);
                gBattleScripting.battler = battler;
                effect++;
            }
            break;
        case ABILITY_DROUGHT:
            if (TryChangeBattleWeather(battler, ENUM_WEATHER_SUN, TRUE))
            {
                BattleScriptPushCursorAndCallback(BattleScript_DroughtActivates);
                gBattleScripting.battler = battler;
                effect++;
            }
            break;
        case ABILITY_SNOW_WARNING:
            if (TryChangeBattleWeather(battler, ENUM_WEATHER_HAIL, TRUE))
            {
                BattleScriptPushCursorAndCallback(BattleScript_SnowWarningActivates);
                gBattleScripting.battler = battler;
                effect++;
            }
            break;
        case ABILITY_INTIMIDATE:
            if (!(gSpecialStatuses[battler].intimidatedMon))
            {
                gStatuses3[battler] |= STATUS3_INTIMIDATE_POKES;
                gSpecialStatuses[battler].intimidatedMon = 1;
            }
            break;
        case ABILITY_FORECAST:
            effect = CastformDataTypeChange(battler);
            if (effect != 0)
            {
                BattleScriptPushCursorAndCallback(BattleScript_CastformChange);
                gBattleScripting.battler = battler;
                *(&gBattleStruct->formToChangeInto) = effect - 1;
            }
            break;
        case ABILITY_TRACE:
            if (!(gSpecialStatuses[battler].traced))
            {
                gStatuses3[battler] |= STATUS3_TRACE;
                gSpecialStatuses[battler].traced = 1;
            }
            break;
        case ABILITY_CLOUD_NINE:
        case ABILITY_AIR_LOCK:
            // that's a weird choice for a variable, why not use i or battler?
            for (target1 = 0; target1 < gBattlersCount; target1++)
            {
                effect = CastformDataTypeChange(target1);
                if (effect != 0)
                {
                    BattleScriptPushCursorAndCallback(BattleScript_CastformChange);
                    gBattleScripting.battler = target1;
                    *(&gBattleStruct->formToChangeInto) = effect - 1;
                    break;
                }
            }
            break;
        }
        break;
    case ABILITYEFFECT_ENDTURN: // 1
        if (gBattleMons[battler].hp != 0)
        {
            gBattlerAttacker = battler;
            switch (gLastUsedAbility)
            {
            case ABILITY_HARVEST:
                if (((WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_SUN_ANY) || Random() % 2 == 0)
                 && gBattleMons[battler].item == ITEM_NONE
                 && gBattleStruct->changedItems[battler] == ITEM_NONE
                 && ItemId_GetPocket(gBattleStruct->usedHeldItems[battler]) == POCKET_BERRIES)
                {
                    gLastUsedItem = gBattleStruct->changedItems[battler] = gBattleStruct->usedHeldItems[battler];
                    gBattleStruct->usedHeldItems[battler] = ITEM_NONE;
                    BattleScriptPushCursorAndCallback(BattleScript_HarvestActivates);
                    effect++;
                }
                break;
            case ABILITY_RAIN_DISH:
                if (WEATHER_HAS_EFFECT
                 && (gBattleWeather & WEATHER_RAIN_ANY)
                 && !BATTLER_MAX_HP(battler)
                 && !(gStatuses3[battler] & STATUS3_HEAL_BLOCK))
                {
                    BattleScriptPushCursorAndCallback(BattleScript_RainDishActivates);
                    gBattleMoveDamage = gBattleMons[battler].maxHP / 16;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    gBattleMoveDamage *= -1;
                    effect++;
                }
                break;
            case ABILITY_HYDRATION:
                if (WEATHER_HAS_EFFECT
                 && (gBattleWeather & WEATHER_RAIN_ANY)
                 && gBattleMons[battler].status1 & STATUS1_ANY)
                {
                    goto ABILITY_HEAL_MON_STATUS;
                }
                break;
            case ABILITY_SHED_SKIN:
                if ((gBattleMons[battler].status1 & STATUS1_ANY) && (Random() % 3) == 0)
                {
                ABILITY_HEAL_MON_STATUS:
                    if (gBattleMons[battler].status1 & (STATUS1_POISON | STATUS1_TOXIC_POISON))
                        StringCopy(gBattleTextBuff1, gStatusConditionString_PoisonJpn);
                    if (gBattleMons[battler].status1 & STATUS1_SLEEP)
                        StringCopy(gBattleTextBuff1, gStatusConditionString_SleepJpn);
                    if (gBattleMons[battler].status1 & STATUS1_PARALYSIS)
                        StringCopy(gBattleTextBuff1, gStatusConditionString_ParalysisJpn);
                    if (gBattleMons[battler].status1 & STATUS1_BURN)
                        StringCopy(gBattleTextBuff1, gStatusConditionString_BurnJpn);
                    if (gBattleMons[battler].status1 & STATUS1_FREEZE)
                        StringCopy(gBattleTextBuff1, gStatusConditionString_IceJpn);

                    gBattleMons[battler].status1 = 0;
                    gBattleMons[battler].status2 &= ~(STATUS2_NIGHTMARE);
                    gBattleScripting.battler = gActiveBattler = battler;
                    BattleScriptPushCursorAndCallback(BattleScript_ShedSkinActivates);
                    BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[battler].status1);
                    MarkBattlerForControllerExec(gActiveBattler);
                    effect++;
                }
                break;
            case ABILITY_SPEED_BOOST:
                if (gBattleMons[battler].statStages[STAT_SPEED] < 0xC && gDisableStructs[battler].isFirstTurn != 2)
                {
                    gBattleMons[battler].statStages[STAT_SPEED]++;
                    gBattleScripting.animArg1 = 0x11;
                    gBattleScripting.animArg2 = 0;
                    BattleScriptPushCursorAndCallback(BattleScript_SpeedBoostActivates);
                    gBattleScripting.battler = battler;
                    effect++;
                }
                break;
            case ABILITY_TRUANT:
                gDisableStructs[gBattlerAttacker].truantCounter ^= 1;
                break;
            case ABILITY_BAD_DREAMS:
                if (gBattleMons[BATTLE_OPPOSITE(battler)].status1 & STATUS1_SLEEP || gBattleMons[BATTLE_OPPOSITE(battler)].status1 & STATUS1_SLEEP)
                {
                    BattleScriptPushCursorAndCallback(BattleScript_BadDreamsActivates);
                    effect++;
                }
                break;
            case ABILITY_SOLAR_POWER:
                if (WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_SUN_ANY)
                {
                    BattleScriptPushCursorAndCallback(BattleScript_SolarPowerActivates);
                    gBattleMoveDamage = gBattleMons[battler].maxHP / 8;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    effect++;
                }
                break;
            }
        }
        break;
    case ABILITYEFFECT_MOVES_BLOCK: // 2
        if ((gLastUsedAbility == ABILITY_SOUNDPROOF && gBattleMoves[move].flags & FLAG_SOUND)
            || (gLastUsedAbility == ABILITY_BULLETPROOF && gBattleMoves[move].flags & FLAG_BALLISTIC))
        {
            if (gBattleMons[gBattlerAttacker].status2 & STATUS2_MULTIPLETURNS)
                gHitMarker |= HITMARKER_NO_PPDEDUCT;
            gBattlescriptCurrInstr = BattleScript_SoundproofProtected;
            effect = 1;
        }
        break;
    case ABILITYEFFECT_ABSORBING: // 3
        if (move != MOVE_NONE)
        {
            u8 statId;
            switch (gLastUsedAbility)
            {
            case ABILITY_VOLT_ABSORB:
                if (moveType == TYPE_ELECTRIC)
                    effect = 1;
                break;
            case ABILITY_WATER_ABSORB:
            case ABILITY_DRY_SKIN:
                if (moveType == TYPE_WATER)
                    effect = 1;
                break;
            case ABILITY_MOTOR_DRIVE:
                if (moveType == TYPE_ELECTRIC)
                    effect = 2, statId = STAT_SPEED;
                break;
            case ABILITY_LIGHTNING_ROD:
                if (moveType == TYPE_ELECTRIC)
                    effect = 2, statId = STAT_SPATK;
                break;
            case ABILITY_STORM_DRAIN:
                if (moveType == TYPE_WATER)
                    effect = 2, statId = STAT_SPATK;
                break;
            case ABILITY_SAP_SIPPER:
                if (moveArg == TYPE_GRASS)
                    effect = 2, statId = STAT_ATK;
                break;
            case ABILITY_FLASH_FIRE:
                if (moveType == TYPE_FIRE && !(gBattleMons[battler].status1 & STATUS1_FREEZE))
                {
                    if (!(gBattleResources->flags->flags[battler] & RESOURCE_FLAG_FLASH_FIRE))
                    {
                        gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                        if (gProtectStructs[gBattlerAttacker].notFirstStrike)
                            gBattlescriptCurrInstr = BattleScript_FlashFireBoost;
                        else
                            gBattlescriptCurrInstr = BattleScript_FlashFireBoost_PPLoss;

                        gBattleResources->flags->flags[battler] |= RESOURCE_FLAG_FLASH_FIRE;
                        effect = 2;
                    }
                    else
                    {
                        gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                        if (gProtectStructs[gBattlerAttacker].notFirstStrike)
                            gBattlescriptCurrInstr = BattleScript_FlashFireBoost;
                        else
                            gBattlescriptCurrInstr = BattleScript_FlashFireBoost_PPLoss;

                        effect = 2;
                    }
                }
                break;
            }

            if (effect == 1) // Drain Hp ability.
            {
                if (BATTLER_MAX_HP(battler) || gStatuses3[battler] & STATUS3_HEAL_BLOCK)
                {
                    if ((gProtectStructs[gBattlerAttacker].notFirstStrike))
                        gBattlescriptCurrInstr = BattleScript_MonMadeMoveUseless;
                    else
                        gBattlescriptCurrInstr = BattleScript_MonMadeMoveUseless_PPLoss;
                }
                else
                {
                    if (gProtectStructs[gBattlerAttacker].notFirstStrike)
                        gBattlescriptCurrInstr = BattleScript_MoveHPDrain;
                    else
                        gBattlescriptCurrInstr = BattleScript_MoveHPDrain_PPLoss;

                    gBattleMoveDamage = gBattleMons[battler].maxHP / 4;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    gBattleMoveDamage *= -1;
                }
            }
            else if (effect == 2) // Boost Stat ability;
            {
                if (gBattleMons[battler].statStages[statId] == 0xC)
                {
                    if ((gProtectStructs[gBattlerAttacker].notFirstStrike))
                        gBattlescriptCurrInstr = BattleScript_MonMadeMoveUseless;
                    else
                        gBattlescriptCurrInstr = BattleScript_MonMadeMoveUseless_PPLoss;
                }
                else
                {
                    if (gProtectStructs[gBattlerAttacker].notFirstStrike)
                        gBattlescriptCurrInstr = BattleScript_MoveStatDrain;
                    else
                        gBattlescriptCurrInstr = BattleScript_MoveStatDrain_PPLoss;

                    SET_STATCHANGER(statId, 1, FALSE);
                    gBattleMons[battler].statStages[statId]++;
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, statId);
                }
            }
        }
        break;
    case ABILITYEFFECT_MOVE_END: // Think contact abilities.
        switch (gLastUsedAbility)
        {
        case ABILITY_JUSTIFIED:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && TARGET_TURN_DAMAGED
             && IsBattlerAlive(battler)
             && moveType == TYPE_DARK
             && gBattleMons[battler].statStages[STAT_ATK] != 0xC)
            {
                gBattleMons[battler].statStages[STAT_ATK]++;
                SET_STATCHANGER(STAT_ATK, 1, FALSE);
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_TargetAbilityStatRaise;
                effect++;
            }
            break;
        case ABILITY_RATTLED:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && TARGET_TURN_DAMAGED
             && IsBattlerAlive(battler)
             && (moveType == TYPE_DARK || moveType == TYPE_BUG || moveType == TYPE_GHOST)
             && gBattleMons[battler].statStages[STAT_SPEED] != 0xC)
            {
                gBattleMons[battler].statStages[STAT_SPEED]++;
                SET_STATCHANGER(STAT_SPEED, 1, FALSE);
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_TargetAbilityStatRaise;
                effect++;
            }
            break;
        case ABILITY_WEAK_ARMOR:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && TARGET_TURN_DAMAGED
             && IsBattlerAlive(battler)
             && (gBattleMons[battler].statStages[STAT_SPEED] != 0xC || gBattleMons[battler].statStages[STAT_DEF] != 0))
            {
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_WeakArmorActivates;
                effect++;
            }
            break;
        case ABILITY_CURSED_BODY:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && TARGET_TURN_DAMAGED
             && gDisableStructs[gBattlerAttacker].disabledMove == MOVE_NONE
             && IsBattlerAlive(gBattlerAttacker)
             && ((i = GetBattleMonMoveSlot(&gBattleMons[gBattlerAttacker], gChosenMove)) != 4)
             && (Random() % 3) == 0)
            {
                gDisableStructs[gBattlerAttacker].disabledMove = gChosenMove;
                gDisableStructs[gBattlerAttacker].disableTimer = 4;
                PREPARE_MOVE_BUFFER(gBattleTextBuff1, gChosenMove);
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_CursedBodyActivates;
                effect++;
            }
            break;
        case ABILITY_MUMMY:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && IsBattlerAlive(gBattlerAttacker)
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT))
            {
                switch (gBattleMons[gBattlerAttacker].ability)
                {
                case ABILITY_MUMMY:
                case ABILITY_BATTLE_BOND:
                case ABILITY_COMATOSE:
                case ABILITY_DISGUISE:
                case ABILITY_MULTITYPE:
                case ABILITY_POWER_CONSTRUCT:
                case ABILITY_RKS_SYSTEM:
                case ABILITY_SCHOOLING:
                case ABILITY_SHIELDS_DOWN:
                case ABILITY_STANCE_CHANGE:
                    break;
                default:
                    gLastUsedAbility = gBattleMons[gBattlerAttacker].ability = ABILITY_MUMMY;
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_MummyActivates;
                    effect++;
                    break;
                }
            }
            break;
        case ABILITY_ANGER_POINT:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gIsCriticalHit
             && TARGET_TURN_DAMAGED
             && IsBattlerAlive(battler)
             && gBattleMons[battler].statStages[STAT_ATK] != 0xC)
            {
                gBattleMons[battler].statStages[STAT_ATK] = 0xC;
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_AngryPointActivates;
                effect++;
            }
            break;
        case ABILITY_COLOR_CHANGE:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && move != MOVE_STRUGGLE
             && gBattleMoves[move].power != 0
             && TARGET_TURN_DAMAGED
             && !IS_BATTLER_OF_TYPE(battler, moveType)
             && gBattleMons[battler].hp != 0)
            {
                SET_BATTLER_TYPE(battler, moveType);
                PREPARE_TYPE_BUFFER(gBattleTextBuff1, moveType);
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_ColorChangeActivates;
                effect++;
            }
            break;
        case ABILITY_ROUGH_SKIN:
        case ABILITY_IRON_BARBS:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gBattleMons[gBattlerAttacker].hp != 0
             && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
             && TARGET_TURN_DAMAGED
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT))
            {
                gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 8;
                if (gBattleMoveDamage == 0)
                    gBattleMoveDamage = 1;
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_RoughSkinActivates;
                effect++;
            }
            break;
        case ABILITY_EFFECT_SPORE:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gBattleMons[gBattlerAttacker].hp != 0
             && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
             && TARGET_TURN_DAMAGED
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT)
             && (Random() % 10) == 0)
            {
                do
                {
                    gBattleCommunication[MOVE_EFFECT_BYTE] = Random() & 3;
                } while (gBattleCommunication[MOVE_EFFECT_BYTE] == 0);

                if (gBattleCommunication[MOVE_EFFECT_BYTE] == MOVE_EFFECT_BURN)
                    gBattleCommunication[MOVE_EFFECT_BYTE] += 2; // 5 MOVE_EFFECT_PARALYSIS

                gBattleCommunication[MOVE_EFFECT_BYTE] += MOVE_EFFECT_AFFECTS_USER;
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_ApplySecondaryEffect;
                gHitMarker |= HITMARKER_IGNORE_SAFEGUARD;
                effect++;
            }
            break;
        case ABILITY_POISON_POINT:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gBattleMons[gBattlerAttacker].hp != 0
             && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
             && TARGET_TURN_DAMAGED
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT)
             && (Random() % 3) == 0)
            {
                gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_POISON;
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_ApplySecondaryEffect;
                gHitMarker |= HITMARKER_IGNORE_SAFEGUARD;
                effect++;
            }
            break;
        case ABILITY_STATIC:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gBattleMons[gBattlerAttacker].hp != 0
             && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
             && TARGET_TURN_DAMAGED
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT)
             && (Random() % 3) == 0)
            {
                gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_PARALYSIS;
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_ApplySecondaryEffect;
                gHitMarker |= HITMARKER_IGNORE_SAFEGUARD;
                effect++;
            }
            break;
        case ABILITY_FLAME_BODY:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gBattleMons[gBattlerAttacker].hp != 0
             && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT)
             && TARGET_TURN_DAMAGED
             && (Random() % 3) == 0)
            {
                gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_BURN;
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_ApplySecondaryEffect;
                gHitMarker |= HITMARKER_IGNORE_SAFEGUARD;
                effect++;
            }
            break;
        case ABILITY_CUTE_CHARM:
            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
             && gBattleMons[gBattlerAttacker].hp != 0
             && !gProtectStructs[gBattlerAttacker].confusionSelfDmg
             && (gBattleMoves[move].flags & FLAG_MAKES_CONTACT)
             && TARGET_TURN_DAMAGED
             && gBattleMons[gBattlerTarget].hp != 0
             && (Random() % 3) == 0
             && gBattleMons[gBattlerAttacker].ability != ABILITY_OBLIVIOUS
             && GetGenderFromSpeciesAndPersonality(speciesAtk, pidAtk) != GetGenderFromSpeciesAndPersonality(speciesDef, pidDef)
             && !(gBattleMons[gBattlerAttacker].status2 & STATUS2_INFATUATION)
             && GetGenderFromSpeciesAndPersonality(speciesAtk, pidAtk) != MON_GENDERLESS
             && GetGenderFromSpeciesAndPersonality(speciesDef, pidDef) != MON_GENDERLESS)
            {
                gBattleMons[gBattlerAttacker].status2 |= STATUS2_INFATUATED_WITH(gBattlerTarget);
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_CuteCharmActivates;
                effect++;
            }
            break;
        }
        break;
    case ABILITYEFFECT_IMMUNITY: // 5
        for (battler = 0; battler < gBattlersCount; battler++)
        {
            switch (gBattleMons[battler].ability)
            {
            case ABILITY_IMMUNITY:
                if (gBattleMons[battler].status1 & (STATUS1_POISON | STATUS1_TOXIC_POISON | STATUS1_TOXIC_COUNTER))
                {
                    StringCopy(gBattleTextBuff1, gStatusConditionString_PoisonJpn);
                    effect = 1;
                }
                break;
            case ABILITY_OWN_TEMPO:
                if (gBattleMons[battler].status2 & STATUS2_CONFUSION)
                {
                    StringCopy(gBattleTextBuff1, gStatusConditionString_ConfusionJpn);
                    effect = 2;
                }
                break;
            case ABILITY_LIMBER:
                if (gBattleMons[battler].status1 & STATUS1_PARALYSIS)
                {
                    StringCopy(gBattleTextBuff1, gStatusConditionString_ParalysisJpn);
                    effect = 1;
                }
                break;
            case ABILITY_INSOMNIA:
            case ABILITY_VITAL_SPIRIT:
                if (gBattleMons[battler].status1 & STATUS1_SLEEP)
                {
                    gBattleMons[battler].status2 &= ~(STATUS2_NIGHTMARE);
                    StringCopy(gBattleTextBuff1, gStatusConditionString_SleepJpn);
                    effect = 1;
                }
                break;
            case ABILITY_WATER_VEIL:
                if (gBattleMons[battler].status1 & STATUS1_BURN)
                {
                    StringCopy(gBattleTextBuff1, gStatusConditionString_BurnJpn);
                    effect = 1;
                }
                break;
            case ABILITY_MAGMA_ARMOR:
                if (gBattleMons[battler].status1 & STATUS1_FREEZE)
                {
                    StringCopy(gBattleTextBuff1, gStatusConditionString_IceJpn);
                    effect = 1;
                }
                break;
            case ABILITY_OBLIVIOUS:
                if (gBattleMons[battler].status2 & STATUS2_INFATUATION)
                {
                    StringCopy(gBattleTextBuff1, gStatusConditionString_LoveJpn);
                    effect = 3;
                }
                break;
            }
            if (effect)
            {
                switch (effect)
                {
                case 1: // status cleared
                    gBattleMons[battler].status1 = 0;
                    break;
                case 2: // get rid of confusion
                    gBattleMons[battler].status2 &= ~(STATUS2_CONFUSION);
                    break;
                case 3: // get rid of infatuation
                    gBattleMons[battler].status2 &= ~(STATUS2_INFATUATION);
                    break;
                }

                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_AbilityCuredStatus;
                gBattleScripting.battler = battler;
                gActiveBattler = battler;
                BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gActiveBattler].status1);
                MarkBattlerForControllerExec(gActiveBattler);
                return effect;
            }
        }
        break;
    case ABILITYEFFECT_FORECAST: // 6
        for (battler = 0; battler < gBattlersCount; battler++)
        {
            if (gBattleMons[battler].ability == ABILITY_FORECAST)
            {
                effect = CastformDataTypeChange(battler);
                if (effect)
                {
                    BattleScriptPushCursorAndCallback(BattleScript_CastformChange);
                    gBattleScripting.battler = battler;
                    *(&gBattleStruct->formToChangeInto) = effect - 1;
                    return effect;
                }
            }
        }
        break;
    case ABILITYEFFECT_SYNCHRONIZE: // 7
        if (gLastUsedAbility == ABILITY_SYNCHRONIZE && (gHitMarker & HITMARKER_SYNCHRONISE_EFFECT))
        {
            gHitMarker &= ~(HITMARKER_SYNCHRONISE_EFFECT);
            gBattleStruct->synchronizeMoveEffect &= ~(MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_CERTAIN);
            if (gBattleStruct->synchronizeMoveEffect == MOVE_EFFECT_TOXIC)
                gBattleStruct->synchronizeMoveEffect = MOVE_EFFECT_POISON;

            gBattleCommunication[MOVE_EFFECT_BYTE] = gBattleStruct->synchronizeMoveEffect + MOVE_EFFECT_AFFECTS_USER;
            gBattleScripting.battler = gBattlerTarget;
            BattleScriptPushCursor();
            gBattlescriptCurrInstr = BattleScript_SynchronizeActivates;
            gHitMarker |= HITMARKER_IGNORE_SAFEGUARD;
            effect++;
        }
        break;
    case ABILITYEFFECT_ATK_SYNCHRONIZE: // 8
        if (gLastUsedAbility == ABILITY_SYNCHRONIZE && (gHitMarker & HITMARKER_SYNCHRONISE_EFFECT))
        {
            gHitMarker &= ~(HITMARKER_SYNCHRONISE_EFFECT);
            gBattleStruct->synchronizeMoveEffect &= ~(MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_CERTAIN);
            if (gBattleStruct->synchronizeMoveEffect == MOVE_EFFECT_TOXIC)
                gBattleStruct->synchronizeMoveEffect = MOVE_EFFECT_POISON;

            gBattleCommunication[MOVE_EFFECT_BYTE] = gBattleStruct->synchronizeMoveEffect;
            gBattleScripting.battler = gBattlerAttacker;
            BattleScriptPushCursor();
            gBattlescriptCurrInstr = BattleScript_SynchronizeActivates;
            gHitMarker |= HITMARKER_IGNORE_SAFEGUARD;
            effect++;
        }
        break;
    case ABILITYEFFECT_INTIMIDATE1: // 9
        for (i = 0; i < gBattlersCount; i++)
        {
            if (gBattleMons[i].ability == ABILITY_INTIMIDATE && gStatuses3[i] & STATUS3_INTIMIDATE_POKES)
            {
                gLastUsedAbility = ABILITY_INTIMIDATE;
                gStatuses3[i] &= ~(STATUS3_INTIMIDATE_POKES);
                BattleScriptPushCursorAndCallback(BattleScript_IntimidateActivatesEnd3);
                gBattlerAbility = gBattleStruct->intimidateBattler = i;
                effect++;
                break;
            }
        }
        break;
    case ABILITYEFFECT_TRACE: // 11
        for (i = 0; i < gBattlersCount; i++)
        {
            if (gBattleMons[i].ability == ABILITY_TRACE && (gStatuses3[i] & STATUS3_TRACE))
            {
                u8 target2;
                side = (GetBattlerPosition(i) ^ BIT_SIDE) & BIT_SIDE; // side of the opposing pokemon
                target1 = GetBattlerAtPosition(side);
                target2 = GetBattlerAtPosition(side + BIT_FLANK);
                if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
                {
                    if (gBattleMons[target1].ability != 0 && gBattleMons[target1].hp != 0
                     && gBattleMons[target2].ability != 0 && gBattleMons[target2].hp != 0)
                    {
                        gActiveBattler = GetBattlerAtPosition(((Random() & 1) * 2) | side);
                        gBattleMons[i].ability = gBattleMons[gActiveBattler].ability;
                        gLastUsedAbility = gBattleMons[gActiveBattler].ability;
                        effect++;
                    }
                    else if (gBattleMons[target1].ability != 0 && gBattleMons[target1].hp != 0)
                    {
                        gActiveBattler = target1;
                        gBattleMons[i].ability = gBattleMons[gActiveBattler].ability;
                        gLastUsedAbility = gBattleMons[gActiveBattler].ability;
                        effect++;
                    }
                    else if (gBattleMons[target2].ability != 0 && gBattleMons[target2].hp != 0)
                    {
                        gActiveBattler = target2;
                        gBattleMons[i].ability = gBattleMons[gActiveBattler].ability;
                        gLastUsedAbility = gBattleMons[gActiveBattler].ability;
                        effect++;
                    }
                }
                else
                {
                    gActiveBattler = target1;
                    if (gBattleMons[target1].ability && gBattleMons[target1].hp)
                    {
                        gBattleMons[i].ability = gBattleMons[target1].ability;
                        gLastUsedAbility = gBattleMons[target1].ability;
                        effect++;
                    }
                }
                if (effect)
                {
                    BattleScriptPushCursorAndCallback(BattleScript_TraceActivates);
                    gStatuses3[i] &= ~(STATUS3_TRACE);
                    gBattleScripting.battler = i;

                    PREPARE_MON_NICK_WITH_PREFIX_BUFFER(gBattleTextBuff1, gActiveBattler, gBattlerPartyIndexes[gActiveBattler])
                    PREPARE_ABILITY_BUFFER(gBattleTextBuff2, gLastUsedAbility)
                    break;
                }
            }
        }
        break;
    case ABILITYEFFECT_INTIMIDATE2: // 10
        for (i = 0; i < gBattlersCount; i++)
        {
            if (gBattleMons[i].ability == ABILITY_INTIMIDATE && (gStatuses3[i] & STATUS3_INTIMIDATE_POKES))
            {
                gLastUsedAbility = ABILITY_INTIMIDATE;
                gStatuses3[i] &= ~(STATUS3_INTIMIDATE_POKES);
                BattleScriptPushCursor();
                gBattlescriptCurrInstr = BattleScript_IntimidateActivates;
                gBattleStruct->intimidateBattler = i;
                effect++;
                break;
            }
        }
        break;
    case ABILITYEFFECT_CHECK_OTHER_SIDE: // 12
        side = GetBattlerSide(battler);
        for (i = 0; i < gBattlersCount; i++)
        {
            if (GetBattlerSide(i) != side && gBattleMons[i].ability == ability)
            {
                gLastUsedAbility = ability;
                effect = i + 1;
            }
        }
        break;
    case ABILITYEFFECT_CHECK_BATTLER_SIDE: // 13
        side = GetBattlerSide(battler);
        for (i = 0; i < gBattlersCount; i++)
        {
            if (GetBattlerSide(i) == side && gBattleMons[i].ability == ability)
            {
                gLastUsedAbility = ability;
                effect = i + 1;
            }
        }
        break;
    case ABILITYEFFECT_CHECK_ON_FIELD: // 19
        for (i = 0; i < gBattlersCount; i++)
        {
            if (gBattleMons[i].ability == ability && gBattleMons[i].hp != 0)
            {
                gLastUsedAbility = ability;
                effect = i + 1;
            }
        }
        break;
    case ABILITYEFFECT_CHECK_FIELD_EXCEPT_BATTLER: // 15
        for (i = 0; i < gBattlersCount; i++)
        {
            if (gBattleMons[i].ability == ability && i != battler)
            {
                gLastUsedAbility = ability;
                effect = i + 1;
            }
        }
        break;
    case ABILITYEFFECT_COUNT_OTHER_SIDE: // 16
        side = GetBattlerSide(battler);
        for (i = 0; i < gBattlersCount; i++)
        {
            if (GetBattlerSide(i) != side && gBattleMons[i].ability == ability)
            {
                gLastUsedAbility = ability;
                effect++;
            }
        }
        break;
    case ABILITYEFFECT_COUNT_BATTLER_SIDE: // 17
        side = GetBattlerSide(battler);
        for (i = 0; i < gBattlersCount; i++)
        {
            if (GetBattlerSide(i) == side && gBattleMons[i].ability == ability)
            {
                gLastUsedAbility = ability;
                effect++;
            }
        }
        break;
    case ABILITYEFFECT_COUNT_ON_FIELD: // 18
        for (i = 0; i < gBattlersCount; i++)
        {
            if (gBattleMons[i].ability == ability && i != battler)
            {
                gLastUsedAbility = ability;
                effect++;
            }
        }
        break;
    }

    if (effect && caseID < ABILITYEFFECT_CHECK_OTHER_SIDE && gLastUsedAbility != 0xFF)
        RecordAbilityBattle(battler, gLastUsedAbility);
    if (effect && caseID <= ABILITYEFFECT_MOVE_END)
        gBattlerAbility = battler;

    return effect;
}

void BattleScriptExecute(const u8 *BS_ptr)
{
    gBattlescriptCurrInstr = BS_ptr;
    gBattleResources->battleCallbackStack->function[gBattleResources->battleCallbackStack->size++] = gBattleMainFunc;
    gBattleMainFunc = RunBattleScriptCommands_PopCallbacksStack;
    gCurrentActionFuncId = 0;
}

void BattleScriptPushCursorAndCallback(const u8 *BS_ptr)
{
    BattleScriptPushCursor();
    gBattlescriptCurrInstr = BS_ptr;
    gBattleResources->battleCallbackStack->function[gBattleResources->battleCallbackStack->size++] = gBattleMainFunc;
    gBattleMainFunc = RunBattleScriptCommands;
}

enum
{
    ITEM_NO_EFFECT, // 0
    ITEM_STATUS_CHANGE, // 1
    ITEM_EFFECT_OTHER, // 2
    ITEM_PP_CHANGE, // 3
    ITEM_HP_CHANGE, // 4
    ITEM_STATS_CHANGE, // 5
};

// second argument is 1/X of current hp compared to max hp
static bool32 HasEnoughHpToEatBerry(u8 battlerId, u32 hpFraction)
{
    if (gBattleMons[battlerId].hp <= gBattleMons[battlerId].maxHP / hpFraction)
    {
        return TRUE;
    }
    else if (hpFraction <= 4 && GetBattlerAbility(battlerId) == ABILITY_GLUTTONY
             && gBattleMons[battlerId].hp <= gBattleMons[battlerId].maxHP / 2)
    {
        RecordAbilityBattle(battlerId, ABILITY_GLUTTONY);
        return TRUE;
    }
    else
    {
        return FALSE;
    }
}

u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
{
    int i = 0;
    u8 effect = ITEM_NO_EFFECT;
    u8 changedPP = 0;
    u8 battlerHoldEffect, atkHoldEffect;
    u8 battlerHoldEffectParam, atkHoldEffectParam;
    u16 atkItem;

    gLastUsedItem = gBattleMons[battlerId].item;
    battlerHoldEffect = GetBattlerHoldEffect(battlerId, TRUE);
    battlerHoldEffectParam = GetBattlerHoldEffectParam(battlerId);

    atkItem = gBattleMons[gBattlerAttacker].item;
    atkHoldEffect = GetBattlerHoldEffect(gBattlerAttacker, TRUE);
    atkHoldEffectParam = GetBattlerHoldEffectParam(gBattlerAttacker);

    switch (caseID)
    {
    case ITEMEFFECT_ON_SWITCH_IN:
        switch (battlerHoldEffect)
        {
        case HOLD_EFFECT_DOUBLE_PRIZE:
            if (GetBattlerSide(battlerId) == B_SIDE_PLAYER)
                gBattleStruct->moneyMultiplier = 2;
            break;
        case HOLD_EFFECT_RESTORE_STATS:
            for (i = 0; i < BATTLE_STATS_NO; i++)
            {
                if (gBattleMons[battlerId].statStages[i] < 6)
                {
                    gBattleMons[battlerId].statStages[i] = 6;
                    effect = ITEM_STATS_CHANGE;
                }
            }
            if (effect)
            {
                gBattleScripting.battler = battlerId;
                gPotentialItemEffectBattler = battlerId;
                gActiveBattler = gBattlerAttacker = battlerId;
                BattleScriptExecute(BattleScript_WhiteHerbEnd2);
            }
            break;
        }
        break;
    case 1:
        if (gBattleMons[battlerId].hp)
        {
            switch (battlerHoldEffect)
            {
            case HOLD_EFFECT_RESTORE_HP:
                if (!moveTurn && HasEnoughHpToEatBerry(battlerId, 2))
                {
                    gBattleMoveDamage = battlerHoldEffectParam;
                    if (gBattleMons[battlerId].hp + battlerHoldEffectParam > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    BattleScriptExecute(BattleScript_ItemHealHP_RemoveItem);
                    effect = 4;
                }
                break;
            case HOLD_EFFECT_RESTORE_PP:
                if (!moveTurn)
                {
                    struct Pokemon *mon;
                    u8 ppBonuses;
                    u16 move;

                    if (GetBattlerSide(battlerId) == B_SIDE_PLAYER)
                        mon = &gPlayerParty[gBattlerPartyIndexes[battlerId]];
                    else
                        mon = &gEnemyParty[gBattlerPartyIndexes[battlerId]];
                    for (i = 0; i < 4; i++)
                    {
                        move = GetMonData(mon, MON_DATA_MOVE1 + i);
                        changedPP = GetMonData(mon, MON_DATA_PP1 + i);
                        ppBonuses = GetMonData(mon, MON_DATA_PP_BONUSES);
                        if (move && changedPP == 0)
                            break;
                    }
                    if (i != 4)
                    {
                        u8 maxPP = CalculatePPWithBonus(move, ppBonuses, i);
                        if (changedPP + battlerHoldEffectParam > maxPP)
                            changedPP = maxPP;
                        else
                            changedPP = changedPP + battlerHoldEffectParam;

                        PREPARE_MOVE_BUFFER(gBattleTextBuff1, move);

                        BattleScriptExecute(BattleScript_BerryPPHealEnd2);
                        BtlController_EmitSetMonData(0, i + REQUEST_PPMOVE1_BATTLE, 0, 1, &changedPP);
                        MarkBattlerForControllerExec(gActiveBattler);
                        effect = ITEM_PP_CHANGE;
                    }
                }
                break;
            case HOLD_EFFECT_RESTORE_STATS:
                for (i = 0; i < BATTLE_STATS_NO; i++)
                {
                    if (gBattleMons[battlerId].statStages[i] < 6)
                    {
                        gBattleMons[battlerId].statStages[i] = 6;
                        effect = ITEM_STATS_CHANGE;
                    }
                }
                if (effect)
                {
                    gBattleScripting.battler = battlerId;
                    gPotentialItemEffectBattler = battlerId;
                    gActiveBattler = gBattlerAttacker = battlerId;
                    BattleScriptExecute(BattleScript_WhiteHerbEnd2);
                }
                break;
            case HOLD_EFFECT_LEFTOVERS:
                if (gBattleMons[battlerId].hp < gBattleMons[battlerId].maxHP && !moveTurn)
                {
                    gBattleMoveDamage = gBattleMons[battlerId].maxHP / 16;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    if (gBattleMons[battlerId].hp + gBattleMoveDamage > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    BattleScriptExecute(BattleScript_ItemHealHP_End2);
                    effect = ITEM_HP_CHANGE;
                    RecordItemEffectBattle(battlerId, battlerHoldEffect);
                }
                break;
            // nice copy/paste there gamefreak, making a function for confuse berries was too much eh?
            case HOLD_EFFECT_CONFUSE_SPICY:
                if (!moveTurn && HasEnoughHpToEatBerry(battlerId, 2))
                {
                    PREPARE_FLAVOR_BUFFER(gBattleTextBuff1, FLAVOR_SPICY);

                    gBattleMoveDamage = gBattleMons[battlerId].maxHP / battlerHoldEffectParam;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    if (gBattleMons[battlerId].hp + gBattleMoveDamage > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    if (GetFlavorRelationByPersonality(gBattleMons[battlerId].personality, FLAVOR_SPICY) < 0)
                        BattleScriptExecute(BattleScript_BerryConfuseHealEnd2);
                    else
                        BattleScriptExecute(BattleScript_ItemHealHP_RemoveItem);
                    effect = ITEM_HP_CHANGE;
                }
                break;
            case HOLD_EFFECT_CONFUSE_DRY:
                if (!moveTurn && HasEnoughHpToEatBerry(battlerId, 2))
                {
                    PREPARE_FLAVOR_BUFFER(gBattleTextBuff1, FLAVOR_DRY);

                    gBattleMoveDamage = gBattleMons[battlerId].maxHP / battlerHoldEffectParam;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    if (gBattleMons[battlerId].hp + gBattleMoveDamage > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    if (GetFlavorRelationByPersonality(gBattleMons[battlerId].personality, FLAVOR_DRY) < 0)
                        BattleScriptExecute(BattleScript_BerryConfuseHealEnd2);
                    else
                        BattleScriptExecute(BattleScript_ItemHealHP_RemoveItem);
                    effect = ITEM_HP_CHANGE;
                }
                break;
            case HOLD_EFFECT_CONFUSE_SWEET:
                if (!moveTurn && HasEnoughHpToEatBerry(battlerId, 2))
                {
                    PREPARE_FLAVOR_BUFFER(gBattleTextBuff1, FLAVOR_SWEET);

                    gBattleMoveDamage = gBattleMons[battlerId].maxHP / battlerHoldEffectParam;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    if (gBattleMons[battlerId].hp + gBattleMoveDamage > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    if (GetFlavorRelationByPersonality(gBattleMons[battlerId].personality, FLAVOR_SWEET) < 0)
                        BattleScriptExecute(BattleScript_BerryConfuseHealEnd2);
                    else
                        BattleScriptExecute(BattleScript_ItemHealHP_RemoveItem);
                    effect = ITEM_HP_CHANGE;
                }
                break;
            case HOLD_EFFECT_CONFUSE_BITTER:
                if (!moveTurn && HasEnoughHpToEatBerry(battlerId, 2))
                {
                    PREPARE_FLAVOR_BUFFER(gBattleTextBuff1, FLAVOR_BITTER);

                    gBattleMoveDamage = gBattleMons[battlerId].maxHP / battlerHoldEffectParam;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    if (gBattleMons[battlerId].hp + gBattleMoveDamage > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    if (GetFlavorRelationByPersonality(gBattleMons[battlerId].personality, FLAVOR_BITTER) < 0)
                        BattleScriptExecute(BattleScript_BerryConfuseHealEnd2);
                    else
                        BattleScriptExecute(BattleScript_ItemHealHP_RemoveItem);
                    effect = ITEM_HP_CHANGE;
                }
                break;
            case HOLD_EFFECT_CONFUSE_SOUR:
                if (!moveTurn && HasEnoughHpToEatBerry(battlerId, 2))
                {
                    PREPARE_FLAVOR_BUFFER(gBattleTextBuff1, FLAVOR_SOUR);

                    gBattleMoveDamage = gBattleMons[battlerId].maxHP / battlerHoldEffectParam;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = 1;
                    if (gBattleMons[battlerId].hp + gBattleMoveDamage > gBattleMons[battlerId].maxHP)
                        gBattleMoveDamage = gBattleMons[battlerId].maxHP - gBattleMons[battlerId].hp;
                    gBattleMoveDamage *= -1;
                    if (GetFlavorRelationByPersonality(gBattleMons[battlerId].personality, FLAVOR_SOUR) < 0)
                        BattleScriptExecute(BattleScript_BerryConfuseHealEnd2);
                    else
                        BattleScriptExecute(BattleScript_ItemHealHP_RemoveItem);
                    effect = ITEM_HP_CHANGE;
                }
                break;
            // copy/paste again, smh
            case HOLD_EFFECT_ATTACK_UP:
                if (!moveTurn && gBattleMons[battlerId].statStages[STAT_ATK] < 0xC && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                {
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, STAT_ATK);
                    PREPARE_STRING_BUFFER(gBattleTextBuff2, STRINGID_STATROSE);

                    gEffectBattler = battlerId;
                    SET_STATCHANGER(STAT_ATK, 1, FALSE);
                    gBattleScripting.animArg1 = 0xE + STAT_ATK;
                    gBattleScripting.animArg2 = 0;
                    BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
                    effect = ITEM_STATS_CHANGE;
                }
                break;
            case HOLD_EFFECT_DEFENSE_UP:
                if (!moveTurn && gBattleMons[battlerId].statStages[STAT_DEF] < 0xC && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                {
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, STAT_DEF);

                    gEffectBattler = battlerId;
                    SET_STATCHANGER(STAT_DEF, 1, FALSE);
                    gBattleScripting.animArg1 = 0xE + STAT_DEF;
                    gBattleScripting.animArg2 = 0;
                    BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
                    effect = ITEM_STATS_CHANGE;
                }
                break;
            case HOLD_EFFECT_SPEED_UP:
                if (!moveTurn && gBattleMons[battlerId].statStages[STAT_SPEED] < 0xC && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                {
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, STAT_SPEED);

                    gEffectBattler = battlerId;
                    SET_STATCHANGER(STAT_SPEED, 1, FALSE);
                    gBattleScripting.animArg1 = 0xE + STAT_SPEED;
                    gBattleScripting.animArg2 = 0;
                    BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
                    effect = ITEM_STATS_CHANGE;
                }
                break;
            case HOLD_EFFECT_SP_ATTACK_UP:
                if (!moveTurn && gBattleMons[battlerId].statStages[STAT_SPATK] < 0xC && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                {
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, STAT_SPATK);

                    gEffectBattler = battlerId;
                    SET_STATCHANGER(STAT_SPATK, 1, FALSE);
                    gBattleScripting.animArg1 = 0xE + STAT_SPATK;
                    gBattleScripting.animArg2 = 0;
                    BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
                    effect = ITEM_STATS_CHANGE;
                }
                break;
            case HOLD_EFFECT_SP_DEFENSE_UP:
                if (!moveTurn && gBattleMons[battlerId].statStages[STAT_SPDEF] < 0xC && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                {
                    PREPARE_STAT_BUFFER(gBattleTextBuff1, STAT_SPDEF);

                    gEffectBattler = battlerId;
                    SET_STATCHANGER(STAT_SPDEF, 1, FALSE);
                    gBattleScripting.animArg1 = 0xE + STAT_SPDEF;
                    gBattleScripting.animArg2 = 0;
                    BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
                    effect = ITEM_STATS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CRITICAL_UP:
                if (!moveTurn && !(gBattleMons[battlerId].status2 & STATUS2_FOCUS_ENERGY) && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                {
                    gBattleMons[battlerId].status2 |= STATUS2_FOCUS_ENERGY;
                    BattleScriptExecute(BattleScript_BerryFocusEnergyEnd2);
                    effect = ITEM_EFFECT_OTHER;
                }
                break;
            case HOLD_EFFECT_RANDOM_STAT_UP:
                if (!moveTurn)
                {
                    for (i = 0; i < 5; i++)
                    {
                        if (gBattleMons[battlerId].statStages[STAT_ATK + i] < 0xC)
                            break;
                    }
                    if (i != 5 && HasEnoughHpToEatBerry(battlerId, battlerHoldEffectParam))
                    {
                        do
                        {
                            i = Random() % 5;
                        } while (gBattleMons[battlerId].statStages[STAT_ATK + i] == 0xC);

                        PREPARE_STAT_BUFFER(gBattleTextBuff1, i + 1);

                        gBattleTextBuff2[0] = B_BUFF_PLACEHOLDER_BEGIN;
                        gBattleTextBuff2[1] = B_BUFF_STRING;
                        gBattleTextBuff2[2] = STRINGID_STATSHARPLY;
                        gBattleTextBuff2[3] = STRINGID_STATSHARPLY >> 8;
                        gBattleTextBuff2[4] = B_BUFF_STRING;
                        gBattleTextBuff2[5] = STRINGID_STATROSE;
                        gBattleTextBuff2[6] = STRINGID_STATROSE >> 8;
                        gBattleTextBuff2[7] = EOS;

                        gEffectBattler = battlerId;
                        SET_STATCHANGER(i + 1, 2, FALSE);
                        gBattleScripting.animArg1 = 0x21 + i + 6;
                        gBattleScripting.animArg2 = 0;
                        BattleScriptExecute(BattleScript_BerryStatRaiseEnd2);
                        effect = ITEM_STATS_CHANGE;
                    }
                }
                break;
            case HOLD_EFFECT_CURE_PAR:
                if (gBattleMons[battlerId].status1 & STATUS1_PARALYSIS)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_PARALYSIS);
                    BattleScriptExecute(BattleScript_BerryCurePrlzEnd2);
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_PSN:
                if (gBattleMons[battlerId].status1 & STATUS1_PSN_ANY)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_PSN_ANY | STATUS1_TOXIC_COUNTER);
                    BattleScriptExecute(BattleScript_BerryCurePsnEnd2);
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_BRN:
                if (gBattleMons[battlerId].status1 & STATUS1_BURN)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_BURN);
                    BattleScriptExecute(BattleScript_BerryCureBrnEnd2);
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_FRZ:
                if (gBattleMons[battlerId].status1 & STATUS1_FREEZE)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_FREEZE);
                    BattleScriptExecute(BattleScript_BerryCureFrzEnd2);
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_SLP:
                if (gBattleMons[battlerId].status1 & STATUS1_SLEEP)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_SLEEP);
                    gBattleMons[battlerId].status2 &= ~(STATUS2_NIGHTMARE);
                    BattleScriptExecute(BattleScript_BerryCureSlpEnd2);
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_CONFUSION:
                if (gBattleMons[battlerId].status2 & STATUS2_CONFUSION)
                {
                    gBattleMons[battlerId].status2 &= ~(STATUS2_CONFUSION);
                    BattleScriptExecute(BattleScript_BerryCureConfusionEnd2);
                    effect = ITEM_EFFECT_OTHER;
                }
                break;
            case HOLD_EFFECT_CURE_STATUS:
                if (gBattleMons[battlerId].status1 & STATUS1_ANY || gBattleMons[battlerId].status2 & STATUS2_CONFUSION)
                {
                    i = 0;
                    if (gBattleMons[battlerId].status1 & STATUS1_PSN_ANY)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_PoisonJpn);
                        i++;
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_SLEEP)
                    {
                        gBattleMons[battlerId].status2 &= ~(STATUS2_NIGHTMARE);
                        StringCopy(gBattleTextBuff1, gStatusConditionString_SleepJpn);
                        i++;
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_PARALYSIS)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_ParalysisJpn);
                        i++;
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_BURN)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_BurnJpn);
                        i++;
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_FREEZE)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_IceJpn);
                        i++;
                    }
                    if (gBattleMons[battlerId].status2 & STATUS2_CONFUSION)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_ConfusionJpn);
                        i++;
                    }
                    if (!(i > 1))
                        gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                    else
                        gBattleCommunication[MULTISTRING_CHOOSER] = 1;
                    gBattleMons[battlerId].status1 = 0;
                    gBattleMons[battlerId].status2 &= ~(STATUS2_CONFUSION);
                    BattleScriptExecute(BattleScript_BerryCureChosenStatusEnd2);
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_ATTRACT:
                if (gBattleMons[battlerId].status2 & STATUS2_INFATUATION)
                {
                    gBattleMons[battlerId].status2 &= ~(STATUS2_INFATUATION);
                    StringCopy(gBattleTextBuff1, gStatusConditionString_LoveJpn);
                    BattleScriptExecute(BattleScript_BerryCureChosenStatusEnd2);
                    gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                    effect = ITEM_EFFECT_OTHER;
                }
                break;
            }
            if (effect)
            {
                gBattleScripting.battler = battlerId;
                gPotentialItemEffectBattler = battlerId;
                gActiveBattler = gBattlerAttacker = battlerId;
                switch (effect)
                {
                case ITEM_STATUS_CHANGE:
                    BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[battlerId].status1);
                    MarkBattlerForControllerExec(gActiveBattler);
                    break;
                case ITEM_PP_CHANGE:
                    if (!(gBattleMons[battlerId].status2 & STATUS2_TRANSFORMED) && !(gDisableStructs[battlerId].unk18_b & gBitTable[i]))
                        gBattleMons[battlerId].pp[i] = changedPP;
                    break;
                }
            }
        }
        break;
    case 2:
        break;
    case ITEMEFFECT_MOVE_END:
        for (battlerId = 0; battlerId < gBattlersCount; battlerId++)
        {
            gLastUsedItem = gBattleMons[battlerId].item;
            battlerHoldEffect = GetBattlerHoldEffect(battlerId, TRUE);
            battlerHoldEffectParam = GetBattlerHoldEffectParam(battlerId);
            switch (battlerHoldEffect)
            {
            case HOLD_EFFECT_CURE_PAR:
                if (gBattleMons[battlerId].status1 & STATUS1_PARALYSIS)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_PARALYSIS);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_BerryCureParRet;
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_PSN:
                if (gBattleMons[battlerId].status1 & STATUS1_PSN_ANY)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_PSN_ANY | STATUS1_TOXIC_COUNTER);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_BerryCurePsnRet;
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_BRN:
                if (gBattleMons[battlerId].status1 & STATUS1_BURN)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_BURN);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_BerryCureBrnRet;
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_FRZ:
                if (gBattleMons[battlerId].status1 & STATUS1_FREEZE)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_FREEZE);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_BerryCureFrzRet;
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_SLP:
                if (gBattleMons[battlerId].status1 & STATUS1_SLEEP)
                {
                    gBattleMons[battlerId].status1 &= ~(STATUS1_SLEEP);
                    gBattleMons[battlerId].status2 &= ~(STATUS2_NIGHTMARE);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_BerryCureSlpRet;
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_CURE_CONFUSION:
                if (gBattleMons[battlerId].status2 & STATUS2_CONFUSION)
                {
                    gBattleMons[battlerId].status2 &= ~(STATUS2_CONFUSION);
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_BerryCureConfusionRet;
                    effect = ITEM_EFFECT_OTHER;
                }
                break;
            case HOLD_EFFECT_CURE_ATTRACT:
                if (gBattleMons[battlerId].status2 & STATUS2_INFATUATION)
                {
                    gBattleMons[battlerId].status2 &= ~(STATUS2_INFATUATION);
                    StringCopy(gBattleTextBuff1, gStatusConditionString_LoveJpn);
                    BattleScriptPushCursor();
                    gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                    gBattlescriptCurrInstr = BattleScript_BerryCureChosenStatusRet;
                    effect = ITEM_EFFECT_OTHER;
                }
                break;
            case HOLD_EFFECT_CURE_STATUS:
                if (gBattleMons[battlerId].status1 & STATUS1_ANY || gBattleMons[battlerId].status2 & STATUS2_CONFUSION)
                {
                    if (gBattleMons[battlerId].status1 & STATUS1_PSN_ANY)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_PoisonJpn);
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_SLEEP)
                    {
                        gBattleMons[battlerId].status2 &= ~(STATUS2_NIGHTMARE);
                        StringCopy(gBattleTextBuff1, gStatusConditionString_SleepJpn);
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_PARALYSIS)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_ParalysisJpn);
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_BURN)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_BurnJpn);
                    }
                    if (gBattleMons[battlerId].status1 & STATUS1_FREEZE)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_IceJpn);
                    }
                    if (gBattleMons[battlerId].status2 & STATUS2_CONFUSION)
                    {
                        StringCopy(gBattleTextBuff1, gStatusConditionString_ConfusionJpn);
                    }
                    gBattleMons[battlerId].status1 = 0;
                    gBattleMons[battlerId].status2 &= ~(STATUS2_CONFUSION);
                    BattleScriptPushCursor();
                    gBattleCommunication[MULTISTRING_CHOOSER] = 0;
                    gBattlescriptCurrInstr = BattleScript_BerryCureChosenStatusRet;
                    effect = ITEM_STATUS_CHANGE;
                }
                break;
            case HOLD_EFFECT_RESTORE_STATS:
                for (i = 0; i < BATTLE_STATS_NO; i++)
                {
                    if (gBattleMons[battlerId].statStages[i] < 6)
                    {
                        gBattleMons[battlerId].statStages[i] = 6;
                        effect = ITEM_STATS_CHANGE;
                    }
                }
                if (effect)
                {
                    gBattleScripting.battler = battlerId;
                    gPotentialItemEffectBattler = battlerId;
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_WhiteHerbRet;
                    return effect;
                }
                break;
            }
            if (effect)
            {
                gBattleScripting.battler = battlerId;
                gPotentialItemEffectBattler = battlerId;
                gActiveBattler = battlerId;
                BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gActiveBattler].status1);
                MarkBattlerForControllerExec(gActiveBattler);
                break;
            }
        }
        break;
    case ITEMEFFECT_KINGSROCK_SHELLBELL:
        if (gBattleMoveDamage)
        {
            switch (atkHoldEffect)
            {
            case HOLD_EFFECT_FLINCH:
                if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
                    && TARGET_TURN_DAMAGED
                    && (Random() % 100) < atkHoldEffectParam
                    && gBattleMoves[gCurrentMove].flags & FLAG_KINGSROCK_AFFECTED
                    && gBattleMons[gBattlerTarget].hp)
                {
                    gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_FLINCH;
                    BattleScriptPushCursor();
                    SetMoveEffect(0, 0);
                    BattleScriptPop();
                }
                break;
            case HOLD_EFFECT_SHELL_BELL:
                if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
                    && gSpecialStatuses[gBattlerTarget].dmg != 0
                    && gSpecialStatuses[gBattlerTarget].dmg != 0xFFFF
                    && gBattlerAttacker != gBattlerTarget
                    && gBattleMons[gBattlerAttacker].hp != gBattleMons[gBattlerAttacker].maxHP
                    && gBattleMons[gBattlerAttacker].hp != 0)
                {
                    gLastUsedItem = atkItem;
                    gPotentialItemEffectBattler = gBattlerAttacker;
                    gBattleScripting.battler = gBattlerAttacker;
                    gBattleMoveDamage = (gSpecialStatuses[gBattlerTarget].dmg / atkHoldEffectParam) * -1;
                    if (gBattleMoveDamage == 0)
                        gBattleMoveDamage = -1;
                    gSpecialStatuses[gBattlerTarget].dmg = 0;
                    BattleScriptPushCursor();
                    gBattlescriptCurrInstr = BattleScript_ItemHealHP_Ret;
                    effect++;
                }
                break;
            }
        }
        break;
    }

    return effect;
}

void ClearFuryCutterDestinyBondGrudge(u8 battlerId)
{
    gDisableStructs[battlerId].furyCutterCounter = 0;
    gBattleMons[battlerId].status2 &= ~(STATUS2_DESTINY_BOND);
    gStatuses3[battlerId] &= ~(STATUS3_GRUDGE);
}

void HandleAction_RunBattleScript(void) // identical to RunBattleScriptCommands
{
    if (gBattleControllerExecFlags == 0)
        gBattleScriptingCommandsTable[*gBattlescriptCurrInstr]();
}

u8 GetMoveTarget(u16 move, u8 setTarget)
{
    u8 targetBattler = 0;
    u8 moveTarget;
    u8 side;

    if (setTarget)
        moveTarget = setTarget - 1;
    else
        moveTarget = gBattleMoves[move].target;

    switch (moveTarget)
    {
    case MOVE_TARGET_SELECTED:
        side = GetBattlerSide(gBattlerAttacker) ^ BIT_SIDE;
        if (gSideTimers[side].followmeTimer && gBattleMons[gSideTimers[side].followmeTarget].hp)
            targetBattler = gSideTimers[side].followmeTarget;
        else
        {
            side = GetBattlerSide(gBattlerAttacker);
            do
            {
                targetBattler = Random() % gBattlersCount;
            } while (targetBattler == gBattlerAttacker || side == GetBattlerSide(targetBattler) || gAbsentBattlerFlags & gBitTable[targetBattler]);
            if (gBattleMoves[move].type == TYPE_ELECTRIC
                && AbilityBattleEffects(ABILITYEFFECT_COUNT_OTHER_SIDE, gBattlerAttacker, ABILITY_LIGHTNING_ROD, 0, 0)
                && gBattleMons[targetBattler].ability != ABILITY_LIGHTNING_ROD)
            {
                targetBattler ^= BIT_FLANK;
                RecordAbilityBattle(targetBattler, gBattleMons[targetBattler].ability);
                gSpecialStatuses[targetBattler].lightningRodRedirected = 1;
            }
            else if (gBattleMoves[move].type == TYPE_WATER
                && AbilityBattleEffects(ABILITYEFFECT_COUNT_OTHER_SIDE, gBattlerAttacker, ABILITY_STORM_DRAIN, 0, 0)
                && gBattleMons[targetBattler].ability != ABILITY_STORM_DRAIN)
            {
                targetBattler ^= BIT_FLANK;
                RecordAbilityBattle(targetBattler, gBattleMons[targetBattler].ability);
                gSpecialStatuses[targetBattler].stormDrainRedirected = 1;
            }
        }
        break;
    case MOVE_TARGET_DEPENDS:
    case MOVE_TARGET_BOTH:
    case MOVE_TARGET_FOES_AND_ALLY:
    case MOVE_TARGET_OPPONENTS_FIELD:
        targetBattler = GetBattlerAtPosition((GetBattlerPosition(gBattlerAttacker) & BIT_SIDE) ^ BIT_SIDE);
        if (gAbsentBattlerFlags & gBitTable[targetBattler])
            targetBattler ^= BIT_FLANK;
        break;
    case MOVE_TARGET_RANDOM:
        side = GetBattlerSide(gBattlerAttacker) ^ BIT_SIDE;
        if (gSideTimers[side].followmeTimer && gBattleMons[gSideTimers[side].followmeTarget].hp)
            targetBattler = gSideTimers[side].followmeTarget;
        else if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && moveTarget & MOVE_TARGET_RANDOM)
        {
            if (GetBattlerSide(gBattlerAttacker) == B_SIDE_PLAYER)
            {
                if (Random() & 1)
                    targetBattler = GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT);
                else
                    targetBattler = GetBattlerAtPosition(B_POSITION_OPPONENT_RIGHT);
            }
            else
            {
                if (Random() & 1)
                    targetBattler = GetBattlerAtPosition(B_POSITION_PLAYER_LEFT);
                else
                    targetBattler = GetBattlerAtPosition(B_POSITION_PLAYER_RIGHT);
            }
            if (gAbsentBattlerFlags & gBitTable[targetBattler])
                targetBattler ^= BIT_FLANK;
        }
        else
            targetBattler = GetBattlerAtPosition((GetBattlerPosition(gBattlerAttacker) & BIT_SIDE) ^ BIT_SIDE);
        break;
    case MOVE_TARGET_USER_OR_SELECTED:
    case MOVE_TARGET_USER:
        targetBattler = gBattlerAttacker;
        break;
    }

    *(gBattleStruct->moveTarget + gBattlerAttacker) = targetBattler;

    return targetBattler;
}

static bool32 HasObedientBitSet(u8 battlerId)
{
    if (GetBattlerSide(battlerId) == B_SIDE_OPPONENT)
        return TRUE;
    if (GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES, NULL) != SPECIES_DEOXYS
        && GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES, NULL) != SPECIES_MEW)
            return TRUE;
    return GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_OBEDIENCE, NULL);
}

u8 IsMonDisobedient(void)
{
    s32 rnd;
    s32 calc;
    u8 obedienceLevel = 0;

    if (gBattleTypeFlags & (BATTLE_TYPE_LINK | BATTLE_TYPE_x2000000))
        return 0;
    if (GetBattlerSide(gBattlerAttacker) == B_SIDE_OPPONENT)
        return 0;

    if (HasObedientBitSet(gBattlerAttacker)) // only if species is Mew or Deoxys
    {
        if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER && GetBattlerPosition(gBattlerAttacker) == 2)
            return 0;
        if (gBattleTypeFlags & BATTLE_TYPE_FRONTIER)
            return 0;
        if (gBattleTypeFlags & BATTLE_TYPE_RECORDED)
            return 0;
        if (!IsOtherTrainer(gBattleMons[gBattlerAttacker].otId, gBattleMons[gBattlerAttacker].otName))
            return 0;
        if (FlagGet(FLAG_BADGE08_GET))
            return 0;

        obedienceLevel = 10;

        if (FlagGet(FLAG_BADGE02_GET))
            obedienceLevel = 30;
        if (FlagGet(FLAG_BADGE04_GET))
            obedienceLevel = 50;
        if (FlagGet(FLAG_BADGE06_GET))
            obedienceLevel = 70;
    }

    if (gBattleMons[gBattlerAttacker].level <= obedienceLevel)
        return 0;
    rnd = (Random() & 255);
    calc = (gBattleMons[gBattlerAttacker].level + obedienceLevel) * rnd >> 8;
    if (calc < obedienceLevel)
        return 0;

    // is not obedient
    if (gCurrentMove == MOVE_RAGE)
        gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_RAGE);
    if (gBattleMons[gBattlerAttacker].status1 & STATUS1_SLEEP && (gCurrentMove == MOVE_SNORE || gCurrentMove == MOVE_SLEEP_TALK))
    {
        gBattlescriptCurrInstr = BattleScript_IgnoresWhileAsleep;
        return 1;
    }

    rnd = (Random() & 255);
    calc = (gBattleMons[gBattlerAttacker].level + obedienceLevel) * rnd >> 8;
    if (calc < obedienceLevel)
    {
        calc = CheckMoveLimitations(gBattlerAttacker, gBitTable[gCurrMovePos], 0xFF);
        if (calc == 0xF) // all moves cannot be used
        {
            gBattleCommunication[MULTISTRING_CHOOSER] = Random() & 3;
            gBattlescriptCurrInstr = BattleScript_MoveUsedLoafingAround;
            return 1;
        }
        else // use a random move
        {
            do
            {
                gCurrMovePos = gChosenMovePos = Random() & 3;
            } while (gBitTable[gCurrMovePos] & calc);

            gCalledMove = gBattleMons[gBattlerAttacker].moves[gCurrMovePos];
            gBattlescriptCurrInstr = BattleScript_IgnoresAndUsesRandomMove;
            gBattlerTarget = GetMoveTarget(gCalledMove, 0);
            gHitMarker |= HITMARKER_x200000;
            return 2;
        }
    }
    else
    {
        obedienceLevel = gBattleMons[gBattlerAttacker].level - obedienceLevel;

        calc = (Random() & 255);
        if (calc < obedienceLevel && !(gBattleMons[gBattlerAttacker].status1 & STATUS1_ANY) && gBattleMons[gBattlerAttacker].ability != ABILITY_VITAL_SPIRIT && gBattleMons[gBattlerAttacker].ability != ABILITY_INSOMNIA)
        {
            // try putting asleep
            int i;
            for (i = 0; i < gBattlersCount; i++)
            {
                if (gBattleMons[i].status2 & STATUS2_UPROAR)
                    break;
            }
            if (i == gBattlersCount)
            {
                gBattlescriptCurrInstr = BattleScript_IgnoresAndFallsAsleep;
                return 1;
            }
        }
        calc -= obedienceLevel;
        if (calc < obedienceLevel)
        {
            gBattleMoveDamage = CalculateMoveDamage(MOVE_NONE, gBattlerAttacker, gBattlerAttacker, TYPE_MYSTERY, 40, FALSE, FALSE);
            gBattlerTarget = gBattlerAttacker;
            gBattlescriptCurrInstr = BattleScript_IgnoresAndHitsItself;
            gHitMarker |= HITMARKER_UNABLE_TO_USE_MOVE;
            return 2;
        }
        else
        {
            gBattleCommunication[MULTISTRING_CHOOSER] = Random() & 3;
            gBattlescriptCurrInstr = BattleScript_MoveUsedLoafingAround;
            return 1;
        }
    }
}

u32 GetBattlerAbility(u8 battlerId)
{
    if (gStatuses3[battlerId] & STATUS3_GASTRO_ACID)
        return ABILITY_NONE;
    else if ((gBattleMons[gBattlerAttacker].ability == ABILITY_MOLD_BREAKER
            || gBattleMons[gBattlerAttacker].ability == ABILITY_TERAVOLT
            || gBattleMons[gBattlerAttacker].ability == ABILITY_TURBOBLAZE)
        && sAbilitiesAffectedByMoldBreaker[gBattleMons[battlerId].ability]
        && gBattlerByTurnOrder[gCurrentTurnActionNumber] == gBattlerAttacker
        && gActionsByTurnOrder[gBattlerByTurnOrder[gBattlerAttacker]] == B_ACTION_USE_MOVE
        && gCurrentTurnActionNumber < gBattlersCount
        && !(gStatuses3[gBattlerAttacker] & STATUS3_GASTRO_ACID))
        return ABILITY_NONE;
	else
		return gBattleMons[battlerId].ability;
}

u32 GetBattlerHoldEffect(u8 battlerId, bool32 checkNegating)
{
    if (checkNegating)
    {
        if (gStatuses3[battlerId] & STATUS3_EMBARGO)
            return HOLD_EFFECT_NONE;
        if (gFieldStatuses & STATUS_FIELD_MAGIC_ROOM)
            return HOLD_EFFECT_NONE;
        if (gBattleMons[battlerId].ability == ABILITY_KLUTZ && !(gStatuses3[battlerId] & STATUS3_GASTRO_ACID))
            return HOLD_EFFECT_NONE;
    }

    gPotentialItemEffectBattler = battlerId;

    if (gBattleMons[battlerId].item == ITEM_ENIGMA_BERRY)
        return gEnigmaBerries[battlerId].holdEffect;
    else
        return ItemId_GetHoldEffect(gBattleMons[battlerId].item);
}

u32 GetBattlerHoldEffectParam(u8 battlerId)
{
    if (gBattleMons[battlerId].item == ITEM_ENIGMA_BERRY)
        return gEnigmaBerries[battlerId].holdEffectParam;
    else
        return ItemId_GetHoldEffectParam(gBattleMons[battlerId].item);
}

bool32 IsMoveMakingContact(u16 move, u8 battlerAtk)
{
    if (!(gBattleMoves[move].flags & FLAG_MAKES_CONTACT))
        return FALSE;
    else if (GetBattlerAbility(battlerAtk) == ABILITY_LONG_REACH)
        return FALSE;
    else if (GetBattlerHoldEffect(battlerAtk, TRUE) == HOLD_EFFECT_PROTECTIVE_PADS)
        return FALSE;
	else
		return TRUE;
}

bool32 IsBattlerGrounded(u8 battlerId)
{
    if (GetBattlerHoldEffect(battlerId, TRUE) == HOLD_EFFECT_IRON_BALL)
        return TRUE;
    else if (gFieldStatuses & STATUS_FIELD_GRAVITY)
        return TRUE;
    else if (gStatuses3[battlerId] & STATUS3_ROOTED)
        return TRUE;
    else if (gStatuses3[battlerId] & STATUS3_SMACKED_DOWN)
        return TRUE;

    else if (gStatuses3[battlerId] & STATUS3_TELEKINESIS)
        return FALSE;
    else if (gStatuses3[battlerId] & STATUS3_MAGNET_RISE)
        return FALSE;
    else if (GetBattlerAbility(battlerId) == ABILITY_LEVITATE)
        return FALSE;
    else if (IS_BATTLER_OF_TYPE(battlerId, TYPE_FLYING))
        return FALSE;

    else
		return TRUE;
}

bool32 IsBattlerAlive(u8 battlerId)
{
    if (gBattleMons[battlerId].hp == 0)
        return FALSE;
    else if (battlerId >= gBattlersCount)
        return FALSE;
    else if (gAbsentBattlerFlags & gBitTable[battlerId])
        return FALSE;
	else
		return TRUE;
}

u8 GetBattleMonMoveSlot(struct BattlePokemon *battleMon, u16 move)
{
    u8 i;

    for (i = 0; i < 4; i++)
    {
        if (battleMon->moves[i] == move)
            break;
    }
    return i;
}

u32 GetBattlerWeight(u8 battlerId)
{
    u32 i;
    u32 weight = GetPokedexHeightWeight(SpeciesToNationalPokedexNum(gBattleMons[battlerId].species), 1);
    u32 ability = GetBattlerAbility(battlerId);
    u32 holdEffect = GetBattlerHoldEffect(battlerId, TRUE);

    if (ability == ABILITY_HEAVY_METAL)
        weight *= 2;
    else if (ability == ABILITY_LIGHT_METAL)
        weight /= 2;

    if (holdEffect == HOLD_EFFECT_FLOAT_STONE)
        weight /= 2;

    for (i = 0; i < gDisableStructs[battlerId].autonomizeCount; i++)
    {
        if (weight > 1000)
        {
            weight -= 1000;
        }
        else if (weight <= 1000)
        {
            weight = 1;
            break;
        }
    }

    if (weight == 0)
        weight = 1;

    return weight;
}

u32 CountBattlerStatIncreases(u8 battlerId, bool32 countEvasionAcc)
{
    u32 i;
    u32 count = 0;

    for (i = 0; i < BATTLE_STATS_NO; i++)
    {
        if ((i == STAT_ACC || i == STAT_EVASION) && !countEvasionAcc)
            continue;
        if (gBattleMons[battlerId].statStages[i] > 6) // Stat is increased.
            count += gBattleMons[battlerId].statStages[i] - 6;
    }

    return count;
}

u32 GetMoveTargetCount(u16 move, u8 battlerAtk, u8 battlerDef)
{
    switch (gBattleMoves[move].target)
    {
    case MOVE_TARGET_BOTH:
        return IsBattlerAlive(battlerDef)
             + IsBattlerAlive(BATTLE_PARTNER(battlerDef));
    case MOVE_TARGET_FOES_AND_ALLY:
        return IsBattlerAlive(battlerDef)
             + IsBattlerAlive(BATTLE_PARTNER(battlerDef))
             + IsBattlerAlive(BATTLE_PARTNER(battlerAtk));
    case MOVE_TARGET_OPPONENTS_FIELD:
        return 1;
    case MOVE_TARGET_DEPENDS:
    case MOVE_TARGET_SELECTED:
    case MOVE_TARGET_RANDOM:
    case MOVE_TARGET_USER_OR_SELECTED:
        return IsBattlerAlive(battlerDef);
    case MOVE_TARGET_USER:
        return IsBattlerAlive(battlerAtk);
    default:
        return 0;
    }
}

static void MulModifier(u16 *modifier, u16 val)
{
    *modifier = UQ_4_12_TO_INT((*modifier * val) + UQ_4_12_ROUND);
}

static u32 ApplyModifier(u16 modifier, u32 val)
{
    return UQ_4_12_TO_INT((modifier * val) + UQ_4_12_ROUND);
}

static u16 CalcMoveBasePower(u16 move, u8 battlerAtk, u8 battlerDef)
{
    u32 i;
    u16 basePower = gBattleMoves[move].power;
    u32 weight, hpFraction, speed;

    switch (gBattleMoves[move].effect)
    {
    case EFFECT_PLEDGE:
        // todo
        break;
    case EFFECT_FLING:
        // todo
        break;
    case EFFECT_ERUPTION:
        basePower = gBattleMons[battlerAtk].hp * basePower / gBattleMons[battlerAtk].maxHP;
        break;
    case EFFECT_FLAIL:
        hpFraction = GetScaledHPFraction(gBattleMons[battlerAtk].hp, gBattleMons[battlerAtk].maxHP, 48);
        for (i = 0; i < sizeof(sFlailHpScaleToPowerTable); i += 2)
        {
            if (hpFraction <= sFlailHpScaleToPowerTable[i])
                break;
        }
        basePower = sFlailHpScaleToPowerTable[i + 1];
        break;
    case EFFECT_RETURN:
        basePower = 10 * (gBattleMons[battlerAtk].friendship) / 25;
        break;
    case EFFECT_FRUSTRATION:
        basePower = 10 * (255 - gBattleMons[battlerAtk].friendship) / 25;
        break;
    case EFFECT_FURY_CUTTER:
        for (i = 1; i < gDisableStructs[battlerAtk].furyCutterCounter; i++)
            basePower *= 2;
        break;
    case EFFECT_ROLLOUT:
        for (i = 1; i < (5 - gDisableStructs[battlerAtk].rolloutTimer); i++)
            basePower *= 2;
        if (gBattleMons[battlerAtk].status2 & STATUS2_DEFENSE_CURL)
            basePower *= 2;
        break;
    case EFFECT_MAGNITUDE:
        basePower = gBattleStruct->magnitudeBasePower;
        break;
    case EFFECT_PRESENT:
        basePower = gBattleStruct->presentBasePower;
        break;
    case EFFECT_TRIPLE_KICK:
        basePower += gBattleScripting.tripleKickPower;
        break;
    case EFFECT_SPIT_UP:
        basePower = 100 * gDisableStructs[battlerAtk].stockpileCounter;
        break;
    case EFFECT_REVENGE:
        if ((gProtectStructs[battlerAtk].physicalDmg
                && gProtectStructs[battlerAtk].physicalBattlerId == battlerDef)
            || (gProtectStructs[battlerAtk].specialDmg
                && gProtectStructs[battlerAtk].specialBattlerId == battlerDef))
            basePower *= 2;
        break;
    case EFFECT_WEATHER_BALL:
        if (WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_ANY)
            basePower *= 2;
        break;
    case EFFECT_PURSUIT:
        if (gCurrentActionFuncId == B_ACTION_SWITCH)
            basePower *= 2;
        break;
    case EFFECT_NATURAL_GIFT:
        // todo
        break;
    case EFFECT_WAKE_UP_SLAP:
        if (gBattleMons[battlerDef].status1 & STATUS1_SLEEP)
            basePower *= 2;
        break;
    case EFFECT_SMELLINGSALT:
        if (gBattleMons[battlerDef].status1 & STATUS1_PARALYSIS)
            basePower *= 2;
        break;
    case EFFECT_WRING_OUT:
        basePower = 120 * gBattleMons[battlerDef].hp / gBattleMons[battlerDef].maxHP;
        break;
    case EFFECT_HEX:
        if (gBattleMons[battlerDef].status1 & STATUS1_ANY)
            basePower *= 2;
        break;
    case EFFECT_ASSURANCE:
        if (gSpecialStatuses[battlerDef].physicalDmg != 0 || gSpecialStatuses[battlerDef].specialDmg != 0)
            basePower *= 2;
        break;
    case EFFECT_TRUMP_CARD:
        i = GetBattleMonMoveSlot(&gBattleMons[battlerAtk], move);
        if (i != 4)
        {
            switch (gBattleMons[battlerAtk].pp[i])
            {
            case 0:
                basePower = 200;
                break;
            case 1:
                basePower = 80;
                break;
            case 2:
                basePower = 60;
                break;
            case 3:
                basePower = 50;
                break;
            default:
                basePower = 40;
                break;
            }
        }
        break;
    case EFFECT_ACROBATICS:
        if (gBattleMons[battlerAtk].item == ITEM_NONE)
            basePower *= 2;
        break;
    case EFFECT_LOW_KICK:
        weight = GetBattlerWeight(battlerDef);
        for (i = 0; sWeightToDamageTable[i] != 0xFFFF; i += 2)
        {
            if (sWeightToDamageTable[i] > weight)
                break;
        }
        if (sWeightToDamageTable[i] != 0xFFFF)
            basePower = sWeightToDamageTable[i + 1];
        else
            basePower = 120;
        break;
    case EFFECT_HEAT_CRASH:
        weight = GetBattlerWeight(battlerAtk) / GetBattlerWeight(battlerDef);
        if (weight >= 5)
            basePower = 120;
        else if (weight == 4)
            basePower = 100;
        else if (weight == 3)
            basePower = 80;
        else if (weight == 2)
            basePower = 60;
        else
            basePower = 40;
        break;
    case EFFECT_PUNISHMENT:
        basePower = 60 + (CountBattlerStatIncreases(battlerAtk, FALSE) * 20);
        if (basePower > 200)
            basePower = 200;
        break;
    case EFFECT_STORED_POWER:
        basePower = 60 + (CountBattlerStatIncreases(battlerAtk, TRUE) * 20);
        break;
    case EFFECT_ELECTRO_BALL:
        speed = GetBattlerTotalSpeedStat(battlerAtk) / GetBattlerTotalSpeedStat(battlerDef);
        if (speed >= ARRAY_COUNT(sSpeedDiffToDmgTable))
            speed = ARRAY_COUNT(sSpeedDiffToDmgTable) - 1;
        basePower = sSpeedDiffToDmgTable[speed];
        break;
    case EFFECT_GYRO_BALL:
        basePower = ((25 * GetBattlerTotalSpeedStat(battlerDef)) / GetBattlerTotalSpeedStat(battlerAtk)) + 1;
        if (basePower > 150)
            basePower = 150;
        break;
    case EFFECT_ECHOED_VOICE:
        if (gFieldTimers.echoVoiceCounter != 0)
        {
            if (gFieldTimers.echoVoiceCounter >= 5)
                basePower *= 5;
            else
                basePower *= gFieldTimers.echoVoiceCounter;
        }
        break;
    case EFFECT_PAYBACK:
        if (GetBattlerTurnOrderNum(battlerAtk) > GetBattlerTurnOrderNum(battlerDef))
            basePower *= 2;
        break;
    case EFFECT_GUST:
    case EFFECT_TWISTER:
        if (gStatuses3[battlerDef] & STATUS3_ON_AIR)
            basePower *= 2;
        break;
    case EFFECT_ROUND:
        if (gChosenMoveByBattler[BATTLE_PARTNER(battlerAtk)] == MOVE_ROUND && !(gAbsentBattlerFlags & gBitTable[BATTLE_PARTNER(battlerAtk)]))
            basePower *= 2;
        break;
    case EFFECT_FUSION_COMBO:
        if (gBattleMoves[gLastUsedMove].effect == EFFECT_FUSION_COMBO && move != gLastUsedMove)
            basePower *= 2;
        break;
    }

    if (basePower == 0)
        basePower = 1;
    return basePower;
}

static u32 CalcMoveBasePowerAfterModifiers(u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType)
{
    u32 i;
    u32 holdEffectAtk, holdEffectParamAtk;
    u16 basePower = CalcMoveBasePower(move, battlerAtk, battlerDef);
    u16 holdEffectModifier;
    u16 modifier = UQ_4_12(1.0);

    // attacker's abilities
    switch (GetBattlerAbility(battlerAtk))
    {
    case ABILITY_TECHNICIAN:
        if (basePower <= 60)
           MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_FLARE_BOOST:
        if (gBattleMons[battlerAtk].status1 & STATUS1_BURN && IS_MOVE_SPECIAL(move))
           MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_TOXIC_BOOST:
        if (gBattleMons[battlerAtk].status1 & STATUS1_PSN_ANY && IS_MOVE_PHYSICAL(move))
           MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_RECKLESS:
        if (gBattleMoves[move].flags & FLAG_RECKLESS_BOOST)
           MulModifier(&modifier, UQ_4_12(1.2));
        break;
    case ABILITY_IRON_FIST:
        if (gBattleMoves[move].flags & FLAG_IRON_FIST_BOOST)
           MulModifier(&modifier, UQ_4_12(1.2));
        break;
    case ABILITY_SHEER_FORCE:
        if (gBattleMoves[move].flags & FLAG_SHEER_FORCE_BOOST)
           MulModifier(&modifier, UQ_4_12(1.3));
        break;
    case ABILITY_SAND_FORCE:
        if (moveType == TYPE_STEEL || moveType == TYPE_ROCK || moveType == TYPE_GROUND)
           MulModifier(&modifier, UQ_4_12(1.3));
        break;
    case ABILITY_RIVALRY:
        if (GetGenderFromSpeciesAndPersonality(gBattleMons[battlerAtk].species, gBattleMons[battlerAtk].personality) != MON_GENDERLESS
            && GetGenderFromSpeciesAndPersonality(gBattleMons[battlerDef].species, gBattleMons[battlerDef].personality) != MON_GENDERLESS)
        {
            if (GetGenderFromSpeciesAndPersonality(gBattleMons[battlerAtk].species, gBattleMons[battlerAtk].personality)
             == GetGenderFromSpeciesAndPersonality(gBattleMons[battlerDef].species, gBattleMons[battlerDef].personality))
               MulModifier(&modifier, UQ_4_12(1.25));
            else
               MulModifier(&modifier, UQ_4_12(0.75));
        }
        break;
    case ABILITY_ANALYTIC:
        if (GetBattlerTurnOrderNum(battlerAtk) == gBattlersCount - 1 && move != MOVE_FUTURE_SIGHT && move != MOVE_DOOM_DESIRE)
           MulModifier(&modifier, UQ_4_12(1.3));
        break;
    case ABILITY_TOUGH_CLAWS:
        if (gBattleMoves[move].flags & FLAG_MAKES_CONTACT)
           MulModifier(&modifier, UQ_4_12(1.3));
        break;
    case ABILITY_STRONG_JAW:
        if (gBattleMoves[move].flags & FLAG_STRONG_JAW_BOOST)
           MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_MEGA_LAUNCHER:
        if (gBattleMoves[move].flags & FLAG_MEGA_LAUNCHER_BOOST)
           MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_WATER_BUBBLE:
        if (moveType == TYPE_WATER)
           MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case ABILITY_STEELWORKER:
        if (moveType == TYPE_STEEL)
           MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_PIXILATE:
        if (moveType == TYPE_FAIRY && gBattleStruct->ateBoost[battlerAtk])
            MulModifier(&modifier, UQ_4_12(1.2));
        break;
    case ABILITY_GALVANIZE:
        if (moveType == TYPE_ELECTRIC && gBattleStruct->ateBoost[battlerAtk])
            MulModifier(&modifier, UQ_4_12(1.2));
        break;
    case ABILITY_REFRIGERATE:
        if (moveType == TYPE_ICE && gBattleStruct->ateBoost[battlerAtk])
            MulModifier(&modifier, UQ_4_12(1.2));
        break;
    case ABILITY_AERILATE:
        if (moveType == TYPE_FLYING && gBattleStruct->ateBoost[battlerAtk])
            MulModifier(&modifier, UQ_4_12(1.2));
        break;
    case ABILITY_NORMALIZE:
        if (moveType == TYPE_NORMAL && gBattleStruct->ateBoost[battlerAtk])
            MulModifier(&modifier, UQ_4_12(1.2));
        break;
    }

    // field abilities
    if ((ABILITY_ON_FIELD(ABILITY_DARK_AURA) && moveType == TYPE_DARK)
        || (ABILITY_ON_FIELD(ABILITY_FAIRY_AURA) && moveType == TYPE_FAIRY))
    {
        if (ABILITY_ON_FIELD(ABILITY_AURA_BREAK))
            MulModifier(&modifier, UQ_4_12(0.75));
        else
            MulModifier(&modifier, UQ_4_12(1.25));
    }

    // attacker partner's abilities
    if (IsBattlerAlive(BATTLE_PARTNER(battlerAtk)))
    {
        switch (GetBattlerAbility(BATTLE_PARTNER(battlerAtk)))
        {
        case ABILITY_BATTERY:
            if (IS_MOVE_SPECIAL(move))
                MulModifier(&modifier, UQ_4_12(1.3));
            break;
        }
    }

    // target's abilities
    switch (GetBattlerAbility(battlerDef))
    {
    case ABILITY_HEATPROOF:
    case ABILITY_WATER_BUBBLE:
        if (moveType == TYPE_FIRE)
            MulModifier(&modifier, UQ_4_12(0.5));
        break;
    case ABILITY_DRY_SKIN:
        if (moveType == TYPE_FIRE)
            MulModifier(&modifier, UQ_4_12(1.25));
        break;
    case ABILITY_FLUFFY:
        if (IsMoveMakingContact(move, battlerAtk))
            MulModifier(&modifier, UQ_4_12(0.5));
        if (moveType == TYPE_FIRE)
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    }

    holdEffectAtk = GetBattlerHoldEffect(battlerAtk, TRUE);
    holdEffectParamAtk = GetBattlerHoldEffectParam(battlerAtk);
    if (holdEffectParamAtk > 100)
        holdEffectParamAtk = 100;

    holdEffectModifier = UQ_4_12(1.0) + sPercentToModifier[holdEffectParamAtk];

    // attacker's hold effect
    switch (holdEffectAtk)
    {
    case HOLD_EFFECT_MUSCLE_BAND:
        if (IS_MOVE_PHYSICAL(move))
            MulModifier(&modifier, holdEffectModifier);
        break;
    case HOLD_EFFECT_WISE_GLASSES:
        if (IS_MOVE_SPECIAL(move))
            MulModifier(&modifier, holdEffectModifier);
        break;
    case HOLD_EFFECT_LUSTROUS_ORB:
        if (gBattleMons[battlerAtk].species == SPECIES_PALKIA && (moveType == TYPE_WATER || moveType == TYPE_DRAGON))
            MulModifier(&modifier, holdEffectModifier);
        break;
    case HOLD_EFFECT_ADAMANT_ORB:
        if (gBattleMons[battlerAtk].species == SPECIES_DIALGA && (moveType == TYPE_STEEL || moveType == TYPE_DRAGON))
            MulModifier(&modifier, holdEffectModifier);
        break;
    case HOLD_EFFECT_GRISEOUS_ORB:
        if (gBattleMons[battlerAtk].species == SPECIES_GIRATINA && (moveType == TYPE_GHOST || moveType == TYPE_DRAGON))
            MulModifier(&modifier, holdEffectModifier);
        break;
    case HOLD_EFFECT_SOUL_DEW:
        if ((gBattleMons[battlerAtk].species == SPECIES_LATIAS || gBattleMons[battlerAtk].species == SPECIES_LATIOS) && !(gBattleTypeFlags & BATTLE_TYPE_FRONTIER))
            MulModifier(&modifier, holdEffectModifier);
        break;
    case HOLD_EFFECT_BUG_POWER:
    case HOLD_EFFECT_STEEL_POWER:
    case HOLD_EFFECT_GROUND_POWER:
    case HOLD_EFFECT_ROCK_POWER:
    case HOLD_EFFECT_GRASS_POWER:
    case HOLD_EFFECT_DARK_POWER:
    case HOLD_EFFECT_FIGHTING_POWER:
    case HOLD_EFFECT_ELECTRIC_POWER:
    case HOLD_EFFECT_WATER_POWER:
    case HOLD_EFFECT_FLYING_POWER:
    case HOLD_EFFECT_POISON_POWER:
    case HOLD_EFFECT_ICE_POWER:
    case HOLD_EFFECT_GHOST_POWER:
    case HOLD_EFFECT_PSYCHIC_POWER:
    case HOLD_EFFECT_FIRE_POWER:
    case HOLD_EFFECT_DRAGON_POWER:
    case HOLD_EFFECT_NORMAL_POWER:
    case HOLD_EFFECT_FAIRY_POWER:
        for (i = 0; i < ARRAY_COUNT(sHoldEffectToType); i++)
        {
            if (holdEffectAtk == sHoldEffectToType[i][0])
            {
                if (moveType == sHoldEffectToType[i][1])
                    MulModifier(&modifier, holdEffectModifier);
                break;
            }
        }
        break;
    }

    // move effect
    switch (gBattleMoves[move].effect)
    {
    case EFFECT_FACADE:
        if (gBattleMons[battlerAtk].status1 & (STATUS1_BURN | STATUS1_PSN_ANY | STATUS1_PARALYSIS))
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case EFFECT_BRINE:
        if (gBattleMons[battlerAtk].hp <= (gBattleMons[battlerAtk].maxHP / 2))
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case EFFECT_VENOSHOCK:
        if (gBattleMons[battlerAtk].status1 & STATUS1_PSN_ANY)
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case EFFECT_RETALITATE:
        // todo
        break;
    case EFFECT_SOLARBEAM:
        if (WEATHER_HAS_EFFECT && gBattleWeather & (WEATHER_HAIL_ANY | WEATHER_SANDSTORM_ANY | WEATHER_RAIN_ANY))
            MulModifier(&modifier, UQ_4_12(0.5));
        break;
    case EFFECT_BULLDOZE:
    case EFFECT_MAGNITUDE:
    case EFFECT_EARTHQUAKE:
        if (gFieldStatuses & STATUS_FIELD_GRASSY_TERRAIN && IsBattlerGrounded(battlerDef))
            MulModifier(&modifier, UQ_4_12(0.5));
        break;
    case EFFECT_KNOCK_OFF:
        if (gBattleMons[battlerDef].item != ITEM_NONE && GetBattlerAbility(battlerDef) != ABILITY_STICKY_HOLD)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    }

    // various effecs
    if (gProtectStructs[battlerAtk].helpingHand)
        MulModifier(&modifier, UQ_4_12(1.5));
    if (gStatuses3[battlerAtk] & STATUS3_CHARGED_UP && moveType == TYPE_ELECTRIC)
        MulModifier(&modifier, UQ_4_12(2.0));
    if (gStatuses3[battlerAtk] & STATUS3_ME_FIRST)
        MulModifier(&modifier, UQ_4_12(1.5));
    if (gFieldStatuses & STATUS_FIELD_GRASSY_TERRAIN && moveType == TYPE_GRASS && IsBattlerGrounded(battlerAtk))
        MulModifier(&modifier, UQ_4_12(1.5));
    if (gFieldStatuses & STATUS_FIELD_MISTY_TERRAIN && moveType == TYPE_DRAGON && IsBattlerGrounded(battlerDef))
        MulModifier(&modifier, UQ_4_12(0.5));
    if (gFieldStatuses & STATUS_FIELD_ELECTRIC_TERRAIN && moveType == TYPE_ELECTRIC && IsBattlerGrounded(battlerAtk))
        MulModifier(&modifier, UQ_4_12(1.5));
    if (gFieldStatuses & STATUS_FIELD_PSYCHIC_TERRAIN && moveType == TYPE_PSYCHIC && IsBattlerGrounded(battlerAtk))
        MulModifier(&modifier, UQ_4_12(1.5));

    return ApplyModifier(modifier, basePower);
}

static u32 CalcAttackStat(u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType, bool32 isCrit)
{
    u8 atkStage;
    u32 atkStat;
    u16 modifier;

    if (gBattleMoves[move].effect == EFFECT_FOUL_PLAY)
    {
        if (IS_MOVE_PHYSICAL(move))
            atkStat = gBattleMons[battlerDef].attack;
        else
            atkStat = gBattleMons[battlerDef].spAttack;

        atkStage = gBattleMons[battlerDef].statStages[STAT_ATK];
    }
    else
    {
        if (IS_MOVE_PHYSICAL(move))
            atkStat = gBattleMons[battlerAtk].attack;
        else
            atkStat = gBattleMons[battlerAtk].spAttack;

        atkStage = gBattleMons[battlerAtk].statStages[STAT_SPATK];
    }

    // critical hits ignore attack stat's stage drops
    if (isCrit && atkStage < 6)
        atkStage = 6;
    // pokemon with unaware ignore attack stat changes while taking damage
    if (GetBattlerAbility(battlerDef) == ABILITY_UNAWARE)
        atkStage = 6;

    atkStat *= gStatStageRatios[atkStage][0];
    atkStat /= gStatStageRatios[atkStage][1];

    // apply attack stat modifiers
    modifier = UQ_4_12(1.0);

    // attacker's abilities
    switch (GetBattlerAbility(battlerAtk))
    {
    case ABILITY_HUGE_POWER:
    case ABILITY_PURE_POWER:
        if (IS_MOVE_PHYSICAL(move))
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case ABILITY_SLOW_START:
        if (gDisableStructs[battlerAtk].slowStartTimer != 0)
            MulModifier(&modifier, UQ_4_12(0.5));
        break;
    case ABILITY_SOLAR_POWER:
        if (IS_MOVE_SPECIAL(move) && WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_SUN_ANY)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_DEFEATIST:
        if (gBattleMons[battlerAtk].hp <= (gBattleMons[battlerDef].maxHP / 2))
            MulModifier(&modifier, UQ_4_12(0.5));
        break;
    case ABILITY_FLASH_FIRE:
        if (moveType == TYPE_FIRE && gBattleResources->flags->flags[battlerAtk] & RESOURCE_FLAG_FLASH_FIRE)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_SWARM:
        if (moveType == TYPE_BUG && gBattleMons[battlerAtk].hp <= (gBattleMons[battlerAtk].maxHP / 3))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_TORRENT:
        if (moveType == TYPE_WATER && gBattleMons[battlerAtk].hp <= (gBattleMons[battlerAtk].maxHP / 3))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_BLAZE:
        if (moveType == TYPE_FIRE && gBattleMons[battlerAtk].hp <= (gBattleMons[battlerAtk].maxHP / 3))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_OVERGROW:
        if (moveType == TYPE_GRASS && gBattleMons[battlerAtk].hp <= (gBattleMons[battlerAtk].maxHP / 3))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_PLUS:
    case ABILITY_MINUS:
        if (IsBattlerAlive(BATTLE_PARTNER(battlerAtk)))
        {
            u32 partnerAbility = GetBattlerAbility(BATTLE_PARTNER(battlerAtk));
            if (partnerAbility == ABILITY_PLUS || partnerAbility == ABILITY_MINUS)
                MulModifier(&modifier, UQ_4_12(1.5));
        }
        break;
    case ABILITY_FLOWER_GIFT:
        if (gBattleMons[battlerAtk].species == SPECIES_CHERRIM && WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_SUN_ANY)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_HUSTLE:
        if (IS_MOVE_PHYSICAL(move))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    }

    // target's abilities
    switch (GetBattlerAbility(battlerDef))
    {
    case ABILITY_THICK_FAT:
        if (moveType == TYPE_FIRE || moveType == TYPE_ICE)
            MulModifier(&modifier, UQ_4_12(0.5));
        break;
    }

    // ally's abilities
    if (IsBattlerAlive(BATTLE_PARTNER(battlerAtk)))
    {
        switch (GetBattlerAbility(BATTLE_PARTNER(battlerAtk)))
        {
        case ABILITY_FLOWER_GIFT:
            if (gBattleMons[BATTLE_PARTNER(battlerAtk)].species == SPECIES_CHERRIM)
                MulModifier(&modifier, UQ_4_12(1.5));
            break;
        }
    }

    // attacker's hold effect
    switch (GetBattlerHoldEffect(battlerAtk, TRUE))
    {
    case HOLD_EFFECT_THICK_CLUB:
        if ((gBattleMons[battlerAtk].species == SPECIES_CUBONE || gBattleMons[battlerAtk].species == SPECIES_MAROWAK) && IS_MOVE_PHYSICAL(move))
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case HOLD_EFFECT_DEEP_SEA_TOOTH:
        if (gBattleMons[battlerAtk].species == SPECIES_CLAMPERL && IS_MOVE_SPECIAL(move))
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case HOLD_EFFECT_LIGHT_BALL:
        if (gBattleMons[battlerAtk].species == SPECIES_PIKACHU)
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case HOLD_EFFECT_CHOICE_BAND:
        if (IS_MOVE_PHYSICAL(move))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case HOLD_EFFECT_CHOICE_SPECS:
        if (IS_MOVE_SPECIAL(move))
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    }

    return ApplyModifier(modifier, atkStat);
}

static u32 CalcDefenseStat(u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType, bool32 isCrit)
{
    bool32 usesDefStat;
    u8 defStage;
    u32 defStat, def, spDef;
    u16 modifier;

    if (gFieldStatuses & STATUS_FIELD_WONDER_ROOM) // the defense stats are swapped
    {
        def = gBattleMons[battlerDef].spDefense;
        spDef = gBattleMons[battlerDef].defense;
    }
    else
    {
        def = gBattleMons[battlerDef].defense;
        spDef = gBattleMons[battlerDef].spDefense;
    }

    if (gBattleMoves[move].effect == EFFECT_PSYSHOCK || IS_MOVE_PHYSICAL(move)) // uses defense stat instead of sp.def
    {
        defStat = def;
        defStage = gBattleMons[battlerDef].statStages[STAT_DEF];
        usesDefStat = TRUE;
    }
    else // is special
    {
        defStat = spDef;
        defStage = gBattleMons[battlerDef].statStages[STAT_SPDEF];
        usesDefStat = FALSE;
    }

    // critical hits ignore positive stat changes
    if (isCrit && defStage > 6)
        defStage = 6;
    // pokemon with unaware ignore defense stat changes while dealing damage
    if (GetBattlerAbility(battlerAtk) == ABILITY_UNAWARE)
        defStage = 6;
    // certain moves also ignore stat changes
    if (gBattleMoves[move].flags & FLAG_STAT_STAGES_IGNORED)
        defStage = 6;

    defStat *= gStatStageRatios[defStage][0];
    defStat /= gStatStageRatios[defStage][1];

    // apply defense stat modifiers
    modifier = UQ_4_12(1.0);

    // target's abilities
    switch (GetBattlerAbility(battlerDef))
    {
    case ABILITY_MARVEL_SCALE:
        if (gBattleMons[battlerDef].status1 & STATUS1_ANY && usesDefStat)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_FUR_COAT:
        if (usesDefStat)
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case ABILITY_GRASS_PELT:
        if (gFieldStatuses & STATUS_FIELD_GRASSY_TERRAIN && usesDefStat)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    case ABILITY_FLOWER_GIFT:
        if (gBattleMons[battlerDef].species == SPECIES_CHERRIM && WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_SUN_ANY && !usesDefStat)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    }

    // ally's abilities
    if (IsBattlerAlive(BATTLE_PARTNER(battlerDef)))
    {
        switch (GetBattlerAbility(BATTLE_PARTNER(battlerDef)))
        {
        case ABILITY_FLOWER_GIFT:
            if (gBattleMons[BATTLE_PARTNER(battlerDef)].species == SPECIES_CHERRIM && !usesDefStat)
                MulModifier(&modifier, UQ_4_12(1.5));
            break;
        }
    }

    // target's hold effects
    switch (GetBattlerHoldEffect(battlerDef, TRUE))
    {
    case HOLD_EFFECT_DEEP_SEA_SCALE:
        if (gBattleMons[battlerDef].species == SPECIES_CLAMPERL && !usesDefStat)
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case HOLD_EFFECT_METAL_POWDER:
        if (gBattleMons[battlerDef].species == SPECIES_DITTO && usesDefStat && !(gBattleMons[battlerDef].status2 & STATUS2_TRANSFORMED))
            MulModifier(&modifier, UQ_4_12(2.0));
        break;
    case HOLD_EFFECT_EVIOLITE:
        // todo
        break;
    case HOLD_EFFECT_ASSAULT_VEST:
        if (!usesDefStat)
            MulModifier(&modifier, UQ_4_12(1.5));
        break;
    }

    return ApplyModifier(modifier, defStat);
}

static u32 CalcFinalDmg(u32 dmg, u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType, u16 typeEffectivenessModifier, bool32 isCrit)
{
    u32 abilityAtk = GetBattlerAbility(battlerAtk);
    u32 abilityDef = GetBattlerAbility(battlerDef);
    u32 defSide = GET_BATTLER_SIDE(battlerDef);
    u16 finalModifier = UQ_4_12(1.0);

    // check multiple targets in double battle
    if (GetMoveTargetCount(move, battlerAtk, battlerDef) >= 2)
        MulModifier(&finalModifier, UQ_4_12(0.75));

    // take type effectiveness
    MulModifier(&finalModifier, typeEffectivenessModifier);

    // check crit
    if (isCrit)
        dmg = ApplyModifier(UQ_4_12(1.5), dmg);

    // check burn
    if (gBattleMons[battlerAtk].status1 & STATUS1_BURN && gBattleMoves[move].effect != EFFECT_FACADE && abilityAtk != ABILITY_GUTS)
        dmg = ApplyModifier(UQ_4_12(0.5), dmg);

    // check sunny/rain weather
    if (WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_RAIN_ANY)
    {
        if (moveType == TYPE_FIRE)
            dmg = ApplyModifier(UQ_4_12(0.5), dmg);
        else if (moveType == TYPE_WATER)
            dmg = ApplyModifier(UQ_4_12(1.5), dmg);
    }
    else if (WEATHER_HAS_EFFECT && gBattleWeather & WEATHER_SUN_ANY)
    {
        if (moveType == TYPE_FIRE)
            dmg = ApplyModifier(UQ_4_12(1.5), dmg);
        else if (moveType == TYPE_WATER)
            dmg = ApplyModifier(UQ_4_12(0.5), dmg);
    }

    // check stab
    if (IS_BATTLER_OF_TYPE(battlerAtk, moveType) && move != MOVE_STRUGGLE)
    {
        if (abilityAtk == ABILITY_ADAPTABILITY)
            MulModifier(&finalModifier, UQ_4_12(2.0));
        else
            MulModifier(&finalModifier, UQ_4_12(1.5));
    }

    // reflect, light screen, aurora veil
    if ((gSideStatuses[defSide] & SIDE_STATUS_REFLECT && IS_MOVE_PHYSICAL(move))
        || (gSideStatuses[defSide] & SIDE_STATUS_LIGHTSCREEN && IS_MOVE_SPECIAL(move))
        || (gSideStatuses[defSide] & SIDE_STATUS_AURORA_VEIL))
    {
        if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
            MulModifier(&finalModifier, UQ_4_12(0.66));
        else
            MulModifier(&finalModifier, UQ_4_12(0.5));
    }

    // attacker's abilities
    switch (abilityAtk)
    {
    case ABILITY_TINTED_LENS:
        if (typeEffectivenessModifier <= UQ_4_12(0.5))
            MulModifier(&finalModifier, UQ_4_12(2.0));
        break;
    case ABILITY_SNIPER:
        if (isCrit)
            MulModifier(&finalModifier, UQ_4_12(1.5));
        break;
    }

    // target's abilities
    switch (abilityDef)
    {
    case ABILITY_MULTISCALE:
        if (BATTLER_MAX_HP(battlerDef))
            MulModifier(&finalModifier, UQ_4_12(0.5));
        break;
    case ABILITY_FILTER:
    case ABILITY_SOLID_ROCK:
    case ABILITY_PRISM_ARMOR:
        if (typeEffectivenessModifier >= UQ_4_12(2.0))
            MulModifier(&finalModifier, UQ_4_12(0.75));
        break;
    }

    // target's ally's abilities
    if (IsBattlerAlive(BATTLE_PARTNER(battlerDef)))
    {
        switch (GetBattlerAbility(BATTLE_PARTNER(battlerDef)))
        {
        case ABILITY_FRIEND_GUARD:
            MulModifier(&finalModifier, UQ_4_12(0.75));
            break;
        }
    }

    // attacker's hold effect
    switch (GetBattlerHoldEffect(battlerAtk, TRUE))
    {
    case HOLD_EFFECT_METRONOME:
        // todo
        break;
    case HOLD_EFFECT_EXPERT_BELT:
        if (typeEffectivenessModifier >= UQ_4_12(2.0))
            MulModifier(&finalModifier, UQ_4_12(1.2));
        break;
    case HOLD_EFFECT_LIFE_ORB:
        MulModifier(&finalModifier, UQ_4_12(1.3));
        break;
    }

    // target's hold effect
    switch (GetBattlerHoldEffect(battlerDef, TRUE))
    {
        // berries reducing dmg
    }

    if (gBattleMoves[move].flags & FLAG_DMG_MINIMIZE    && gStatuses3[battlerDef] & STATUS3_MINIMIZED)
        MulModifier(&finalModifier, UQ_4_12(2.0));
    if (gBattleMoves[move].flags & FLAG_DMG_UNDERGROUND && gStatuses3[battlerDef] & STATUS3_UNDERGROUND)
        MulModifier(&finalModifier, UQ_4_12(2.0));
    if (gBattleMoves[move].flags & FLAG_DMG_UNDERWATER  && gStatuses3[battlerDef] & STATUS3_UNDERWATER)
        MulModifier(&finalModifier, UQ_4_12(2.0));

    dmg = ApplyModifier(finalModifier, dmg);
    if (dmg == 0)
        dmg = 1;

    return dmg;
}

s32 CalculateMoveDamage(u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType, s32 fixedBasePower, bool32 isCrit, bool32 randomFactor)
{
    s32 dmg;
    u16 finalModifier, typeEffectivenessModifier;

    typeEffectivenessModifier = CalcTypeEffectivenessMultiplier(move, moveType, battlerAtk, battlerDef, randomFactor);

    // Don't calculate damage if the move has no effect on target.
    if (typeEffectivenessModifier == UQ_4_12(0))
        return 0;

    if (fixedBasePower)
        gBattleMovePower = fixedBasePower;
    else
        gBattleMovePower = CalcMoveBasePowerAfterModifiers(move, battlerAtk, battlerDef, moveType);

    // long dmg basic formula
    dmg = ((gBattleMons[battlerAtk].level * 2) / 5) + 2;
    dmg *= gBattleMovePower;
    dmg *= CalcAttackStat(move, battlerAtk, battlerDef, moveType, isCrit);
    dmg /= CalcDefenseStat(move, battlerAtk, battlerDef, moveType, isCrit);
    dmg = (dmg / 50) + 2;

    // Calculate final modifiers.
    dmg = CalcFinalDmg(dmg, move, battlerAtk, battlerDef, moveType, typeEffectivenessModifier, isCrit);

    // Add a random factor.
    if (randomFactor)
    {
        dmg *= 100 - (Random() % 16);
        dmg /= 100;
    }

    if (dmg == 0)
        dmg = 1;

    return dmg;
}

static inline void MulByTypeEffectiveness(u16 *modifier, u16 move, u8 moveType, u8 battlerDef, u8 defType, u8 atkAblity)
{
    u16 mod = sTypeEffectivenessTable[moveType][defType];

    if ((moveType == TYPE_FIGHTING || moveType == TYPE_NORMAL) && defType == TYPE_GHOST && gBattleMons[battlerDef].status2 & STATUS2_FORESIGHT)
        mod = UQ_4_12(1.0);
    if ((moveType == TYPE_FIGHTING || moveType == TYPE_NORMAL) && defType == TYPE_GHOST && atkAblity == ABILITY_SCRAPPY)
        mod = UQ_4_12(1.0);
    if (moveType == TYPE_PSYCHIC && defType == TYPE_DARK && gStatuses3[battlerDef] & STATUS3_MIRACLE_EYED)
        mod = UQ_4_12(1.0);
    if (gBattleMoves[move].effect == EFFECT_FREEZE_DRY && defType == TYPE_WATER)
        mod = UQ_4_12(2.0);
    if (moveType == TYPE_GROUND && defType == TYPE_FLYING && IsBattlerGrounded(battlerDef))
        mod = UQ_4_12(1.0);

    MulModifier(modifier, mod);
}

static void UpdateMoveResultFlags(u16 modifier)
{
    if (modifier == UQ_4_12(0.0))
    {
        gMoveResultFlags |= MOVE_RESULT_DOESNT_AFFECT_FOE;
        gMoveResultFlags &= ~(MOVE_RESULT_NOT_VERY_EFFECTIVE | MOVE_RESULT_SUPER_EFFECTIVE);
    }
    else if (modifier == UQ_4_12(1.0))
    {
        gMoveResultFlags &= ~(MOVE_RESULT_NOT_VERY_EFFECTIVE | MOVE_RESULT_SUPER_EFFECTIVE | MOVE_RESULT_DOESNT_AFFECT_FOE);
    }
    else if (modifier > UQ_4_12(1.0))
    {
        gMoveResultFlags |= MOVE_RESULT_SUPER_EFFECTIVE;
        gMoveResultFlags &= ~(MOVE_RESULT_NOT_VERY_EFFECTIVE | MOVE_RESULT_DOESNT_AFFECT_FOE);
    }
    else //if (modifier < UQ_4_12(1.0))
    {
        gMoveResultFlags |= MOVE_RESULT_NOT_VERY_EFFECTIVE;
        gMoveResultFlags &= ~(MOVE_RESULT_SUPER_EFFECTIVE | MOVE_RESULT_DOESNT_AFFECT_FOE);
    }
}

static u16 CalcTypeEffectivenessMultiplierInternal(u16 move, u8 moveType, u8 battlerAtk, u8 battlerDef, bool32 recordAbilities, u16 modifier)
{
    u32 atkAbility = GetBattlerAbility(battlerAtk);
    MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type1, atkAbility);
    if (gBattleMons[battlerDef].type2 != gBattleMons[battlerDef].type1)
        MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type2, atkAbility);

    if (moveType == TYPE_GROUND && !IsBattlerGrounded(battlerDef))
    {
        modifier = UQ_4_12(0.0);
        if (recordAbilities && GetBattlerAbility(battlerDef) == ABILITY_LEVITATE)
        {
            gLastUsedAbility = ABILITY_LEVITATE;
            gMoveResultFlags |= (MOVE_RESULT_MISSED | MOVE_RESULT_DOESNT_AFFECT_FOE);
            gLastLandedMoves[battlerDef] = 0;
            gBattleCommunication[6] = moveType;
            RecordAbilityBattle(battlerDef, ABILITY_LEVITATE);
        }
    }
    if (GetBattlerAbility(battlerDef) == ABILITY_WONDER_GUARD && modifier <= UQ_4_12(1.0) && gBattleMoves[move].power)
    {
        modifier = UQ_4_12(0.0);
        if (recordAbilities)
        {
            gLastUsedAbility = ABILITY_WONDER_GUARD;
            gMoveResultFlags |= MOVE_RESULT_MISSED;
            gLastLandedMoves[battlerDef] = 0;
            gBattleCommunication[6] = 3;
            RecordAbilityBattle(battlerDef, ABILITY_WONDER_GUARD);
        }
    }

    return modifier;
}

u16 CalcTypeEffectivenessMultiplier(u16 move, u8 moveType, u8 battlerAtk, u8 battlerDef, bool32 recordAbilities)
{
    u16 modifier = UQ_4_12(1.0);

    if (move != MOVE_STRUGGLE && moveType != TYPE_MYSTERY)
    {
        modifier = CalcTypeEffectivenessMultiplierInternal(move, moveType, battlerAtk, battlerDef, recordAbilities, modifier);
        if (gBattleMoves[move].effect == EFFECT_TWO_TYPED_MOVE)
            modifier = CalcTypeEffectivenessMultiplierInternal(move, gBattleMoves[move].argument, battlerAtk, battlerDef, recordAbilities, modifier);
    }

    UpdateMoveResultFlags(modifier);
    return modifier;
}

u16 CalcPartyMonTypeEffectivenessMultiplier(u16 move, u16 speciesDef, u8 abilityDef)
{
    u16 modifier = UQ_4_12(1.0);
    u8 moveType = gBattleMoves[move].type;

    if (move != MOVE_STRUGGLE && moveType != TYPE_MYSTERY)
    {
        MulByTypeEffectiveness(&modifier, move, moveType, 0, gBaseStats[speciesDef].type1, ABILITY_NONE);
        if (gBaseStats[speciesDef].type2 != gBaseStats[speciesDef].type1)
            MulByTypeEffectiveness(&modifier, move, moveType, 0, gBaseStats[speciesDef].type2, ABILITY_NONE);

        if (moveType == TYPE_GROUND && abilityDef == ABILITY_LEVITATE && !(gFieldStatuses & STATUS_FIELD_GRAVITY))
            modifier = UQ_4_12(0.0);
        if (abilityDef == ABILITY_WONDER_GUARD && modifier <= UQ_4_12(1.0) && gBattleMoves[move].power)
            modifier = UQ_4_12(0.0);
    }

    UpdateMoveResultFlags(modifier);
    return modifier;
}

u16 GetTypeModifier(u8 atkType, u8 defType)
{
    return sTypeEffectivenessTable[atkType][defType];
}

s32 GetStealthHazardDamage(u8 hazardType, u8 battlerId)
{
    u8 type1 = gBattleMons[battlerId].type1;
    u8 type2 = gBattleMons[battlerId].type2;
    u32 maxHp = gBattleMons[battlerId].maxHP;
    s32 dmg = 0;
    u16 modifier = UQ_4_12(1.0);

    MulModifier(&modifier, GetTypeModifier(hazardType, type1));
    if (type2 != type1)
        MulModifier(&modifier, GetTypeModifier(hazardType, type2));

    switch (modifier)
    {
    case UQ_4_12(0.0):
        dmg = 0;
        break;
    case UQ_4_12(0.25):
        dmg = maxHp / 32;
        if (dmg == 0)
            dmg = 1;
        break;
    case UQ_4_12(0.5):
        dmg = maxHp / 16;
        if (dmg == 0)
            dmg = 1;
        break;
    case UQ_4_12(1.0):
        dmg = maxHp / 8;
        if (dmg == 0)
            dmg = 1;
        break;
    case UQ_4_12(2.0):
        dmg = maxHp / 4;
        if (dmg == 0)
            dmg = 1;
        break;
    case UQ_4_12(4.0):
        dmg = maxHp / 2;
        if (dmg == 0)
            dmg = 1;
        break;
    }

    return dmg;
}

static bool32 IsPartnerMonFromSameTrainer(u8 battlerId)
{
    if (GetBattlerSide(battlerId) == B_SIDE_OPPONENT && gBattleTypeFlags & BATTLE_TYPE_TWO_OPPONENTS)
        return FALSE;
    else if (GetBattlerSide(battlerId) == B_SIDE_PLAYER && gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER)
        return FALSE;
    else if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
        return FALSE;
    else
        return TRUE;
}

u16 GetMegaEvolutionSpecies(u16 preEvoSpecies, u16 heldItemId)
{
    u32 i;

    for (i = 0; i < EVOS_PER_MON; i++)
    {
        if (gEvolutionTable[preEvoSpecies][i].method == EVO_MEGA_EVOLUTION
            && gEvolutionTable[preEvoSpecies][i].param == heldItemId)
                return gEvolutionTable[preEvoSpecies][i].targetSpecies;
    }
    return SPECIES_NONE;
}

bool32 CanMegaEvolve(u8 battlerId)
{
    u32 itemId, holdEffect;
    struct Pokemon *mon;
    u8 battlerPosition = GetBattlerPosition(battlerId);
    u8 partnerPosition = GetBattlerPosition(BATTLE_PARTNER(battlerId));
    struct MegaEvolutionData *mega = &(((struct ChooseMoveStruct*)(&gBattleBufferA[gActiveBattler][4]))->mega);

    // Check if trainer already mega evolved a pokemon.
    if (mega->alreadyEvolved[battlerPosition])
        return FALSE;
    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
    {
        if (IsPartnerMonFromSameTrainer(battlerId)
            && (mega->alreadyEvolved[partnerPosition] || (mega->toEvolve & gBitTable[BATTLE_PARTNER(battlerId)])))
            return FALSE;
    }

    // Check if the pokemon holds an appropriate item.
    if (GetBattlerSide(battlerId) == B_SIDE_OPPONENT)
        mon = &gEnemyParty[gBattlerPartyIndexes[battlerId]];
    else
        mon = &gPlayerParty[gBattlerPartyIndexes[battlerId]];

    itemId = GetMonData(mon, MON_DATA_HELD_ITEM);
    if (itemId != ITEM_ENIGMA_BERRY)
        holdEffect = ItemId_GetHoldEffect(itemId);
    else
        holdEffect = gEnigmaBerries[battlerId].holdEffect;

    if (holdEffect != HOLD_EFFECT_MEGA_STONE)
        return FALSE;

    // Check if there is an entry in the evolution table.
    if (GetMegaEvolutionSpecies(GetMonData(mon, MON_DATA_SPECIES), itemId) == SPECIES_NONE)
        return FALSE;

    // All checks passed, the mon CAN mega evolve.
    return TRUE;
}

void UndoMegaEvolution(u8 monId)
{
    if (gBattleStruct->mega.evolvedPartyIds[B_SIDE_PLAYER] & gBitTable[monId])
    {
        gBattleStruct->mega.evolvedPartyIds[B_SIDE_PLAYER] &= ~(gBitTable[monId]);
        SetMonData(&gPlayerParty[monId], MON_DATA_SPECIES, &gBattleStruct->mega.playerEvolvedSpecies);
        CalculateMonStats(&gPlayerParty[monId]);
    }
}

bool32 DoBattlersShareType(u32 battler1, u32 battler2)
{
    if (gBattleMons[battler1].type1 == gBattleMons[battler2].type1 || gBattleMons[battler1].type1 == gBattleMons[battler2].type2)
        return TRUE;
    else if (gBattleMons[battler1].type2 == gBattleMons[battler2].type1 || gBattleMons[battler1].type2 == gBattleMons[battler2].type2)
        return TRUE;
    else
        return FALSE;
}

bool32 CanBattlerGetOrLoseItem(u8 battlerId, u16 itemId)
{
    u16 species = gBattleMons[battlerId].species;

    if (IS_ITEM_MAIL(itemId))
        return FALSE;
    else if (itemId == ITEM_ENIGMA_BERRY)
        return FALSE;
    else if (species == SPECIES_KYOGRE && itemId == ITEM_BLUE_ORB)
        return FALSE;
    else if (species == SPECIES_GROUDON && itemId == ITEM_RED_ORB)
        return FALSE;
    else if (ItemId_GetHoldEffect(itemId) == HOLD_EFFECT_MEGA_STONE && GetMegaEvolutionSpecies(species, itemId) != SPECIES_NONE)
        return FALSE;
    else
        return TRUE;
}