function scr_damage_calculation_plat(arg0, arg1)
{
    if (arg0 <= 0)
        return arg0;
    var _tdamage = arg0;
    var _tdef = global.battledf[arg1];
    var _finaldamage = 1;
    _tdamage -= _tdef;
    return max(_tdamage, _finaldamage);
}

function scr_damage_all_platmode()
{
    if (global.inv < 0)
    {
        gameover = 1;
        if (global.char[0] != 0 && global.hp[global.char[0]] > 1)
            gameover = 0;
        if (global.char[1] != 0 && global.hp[global.char[1]] > 1)
            gameover = 0;
        if (global.char[2] != 0 && global.hp[global.char[2]] > 1)
            gameover = 0;
        if (global.chapter == 5 && gameover && global.tempflag[57] == 1)
        {
            if (global.char[0] != 0)
                global.hp[global.char[0]] = 0;
            if (global.char[1] != 0)
                global.hp[global.char[1]] = 0;
            if (global.char[2] != 0)
                global.hp[global.char[2]] = 0;
            exit;
        }
        if (gameover == 1)
            scr_gameover();
        remdamage = damage;
        remtarget = target;
        if (!instance_exists(obj_shake))
            instance_create(0, 0, obj_shake);
        with (obj_dmgwriter)
            killactive = 1;
        snd_stop(snd_hurt1);
        snd_play(snd_hurt1);
        var maxhpdiff = 0;
        for (ti = 0; ti < 3; ti += 1)
        {
            global.inv = -1;
            damage = remdamage;
            target = ti;
            tdamage = scr_damage_calculation_plat(damage, target);
            with (global.charinstance[target])
            {
                hurt = 1;
                hurttimer = 0;
            }
            hpdiff = tdamage;
            if (hpdiff >= global.hp[global.char[target]])
                hpdiff = global.hp[global.char[target]] - 1;
            maxhpdiff = max(hpdiff, maxhpdiff);
            d_cancel = 0;
            if (hpdiff <= 1)
            {
                if (global.hp[global.char[target]] <= 0)
                {
                    hpdiff = 0;
                    d_cancel = 1;
                }
                else
                {
                    hpdiff = 1;
                }
            }
            if (d_cancel == 0)
            {
                doomtype = -1;
                global.hp[global.char[target]] -= hpdiff;
                if ((instance_exists(global.charinstance[target]) && global.charinstance[target].visible == true) || i_ex(obj_climb_kris) || i_ex(obj_plat_player))
                {
                    var trg = -4;
                    var nowriter = false;
                    if (i_ex(obj_plat_player))
                    {
                        trg = 910;
                        if (ti > 0)
                        {
                            with (obj_plat_follower)
                            {
                                if (name == "susie" && other.ti == 1)
                                    trg = self;
                                if (name == "ralsei" && other.ti == 2)
                                    trg = self;
                            }
                            if (trg == 910)
                            {
                                if (hpdiff == maxhpdiff)
                                {
                                    with (dmgwriter)
                                        damage = maxhpdiff;
                                }
                                nowriter = true;
                            }
                        }
                    }
                    else if (i_ex(obj_climb_kris))
                    {
                        trg = 1164;
                        if (ti > 0)
                        {
                            with (obj_climb_susie)
                            {
                                if (name == "susie" && other.ti == 1)
                                    trg = self;
                                if (name == "ralsei" && other.ti == 2)
                                    trg = self;
                            }
                            if (trg == 1164)
                            {
                                if (hpdiff == maxhpdiff)
                                {
                                    with (dmgwriter)
                                        damage = maxhpdiff;
                                }
                                nowriter = true;
                            }
                        }
                    }
                    if (!nowriter)
                    {
                        dmgwriter = instance_create(x, y, obj_dmgwriter);
                        dmgwriter.damage = hpdiff;
                        dmgwriter.type = doomtype;
                        if (i_ex(obj_climb_kris) || i_ex(obj_plat_player))
                        {
                            dmgwriter.x = trg.x;
                            dmgwriter.y = trg.y;
                            dmgwriter.ystart = trg.y;
                            dmgwriter.depth = trg.depth - 100;
                            if (i_ex(obj_plat_player))
                            {
                                dmgwriter.depth = 1650;
                                if (obj_plat_player.dashing)
                                    dmgwriter.slidespeedx = obj_plat_player.hspeed;
                            }
                            if (variable_instance_exists(trg, "onrotatingtower") && trg.onrotatingtower == true)
                                dmgwriter.x = camerax() + (camerawidth() / 2);
                        }
                        else if (instance_exists(global.charinstance[target]))
                        {
                            dmgwriter.x = global.charinstance[target].x;
                            dmgwriter.y = (global.charinstance[target].y + global.charinstance[target].myheight) - 24;
                        }
                    }
                }
                if (global.hp[global.char[target]] < 1)
                    global.hp[global.char[target]] = 1;
            }
        }
        target = remtarget;
        global.inv = global.invc * 40;
    }
}