TurnBasedMinecraftMod/src/main/java/com/burnedkirby/TurnBasedMinecraft/common/Battle.java

package com.burnedkirby.TurnBasedMinecraft.common;

import com.burnedkirby.TurnBasedMinecraft.common.networking.PacketBattleInfo;
import com.burnedkirby.TurnBasedMinecraft.common.networking.PacketBattleMessage;
import net.minecraft.resources.ResourceKey;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.effect.MobEffects;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.entity.monster.Creeper;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.*;
import net.minecraft.world.level.Level;
import net.neoforged.neoforge.common.CreativeModeTabRegistry;
import net.neoforged.neoforge.network.PacketDistributor;

import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;

public class Battle {
    private final int id;
    private Map<Integer, Combatant> sideA;
    private Map<Integer, Combatant> sideB;
    private Map<Integer, Combatant> players;
    private PriorityQueue<Combatant> turnOrderQueue;
    private Queue<Combatant> sideAEntryQueue;
    private Queue<Combatant> sideBEntryQueue;

    private State state;
    private AtomicInteger playerCount;
    private AtomicInteger undecidedCount;
    private long lastInstant;
    private long timer;

    private boolean timerForever;

    private boolean isServer;
    private boolean battleEnded;

    private BattleManager battleManager;

    private Random random;

    public String debugLog; // TODO remove after freeze bug has been found

    private ResourceKey<Level> dimension;

    public enum State {
        DECISION(0),
        ACTION(1),
        DECISION_PLAYER_READY(2);

        private int value;
        private static Map<Integer, State> map = new HashMap<Integer, State>();

        State(int value) {
            this.value = value;
        }

        public int getValue() {
            return value;
        }

        static {
            for (State state : State.values()) {
                map.put(state.value, state);
            }
        }

        public static State valueOf(int stateType) {
            return map.get(stateType);
        }
    }

    public enum Decision {
        UNDECIDED(0),
        ATTACK(1),
        DEFEND(2),
        FLEE(3),
        USE_ITEM(4),
        SWITCH_ITEM(5),
        CREEPER_WAIT(6),
        CREEPER_EXPLODE(7);

        private int value;
        private static Map<Integer, Decision> map = new HashMap<Integer, Decision>();

        Decision(int value) {
            this.value = value;
        }

        public int getValue() {
            return value;
        }

        static {
            for (Decision decision : Decision.values()) {
                map.put(decision.value, decision);
            }
        }

        public static Decision valueOf(int decisionType) {
            return map.get(decisionType);
        }
    }

    public Battle(BattleManager battleManager, int id, Collection<Entity> sideA, Collection<Entity> sideB, boolean isServer, ResourceKey<Level> dimension) {
        this.battleManager = battleManager;
        this.isServer = isServer;
        this.id = id;
        this.sideA = new ConcurrentHashMap<Integer, Combatant>();
        this.sideB = new ConcurrentHashMap<Integer, Combatant>();
        players = new ConcurrentHashMap<Integer, Combatant>();
        turnOrderQueue = new PriorityQueue<Combatant>(new Combatant.CombatantComparator());
        sideAEntryQueue = new ArrayDeque<Combatant>();
        sideBEntryQueue = new ArrayDeque<Combatant>();
        playerCount = new AtomicInteger(0);
        undecidedCount = new AtomicInteger(0);
        random = new Random();
        this.dimension = dimension;
        if (sideA != null) {
            for (Entity e : sideA) {
                EntityInfo entityInfo;
                try {
                    entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getCustomEntityInfoReference(e.getCustomName().getString());
                } catch (NullPointerException exception) {
                    entityInfo = null;
                }
                if (entityInfo == null) {
                    entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getMatchingEntityInfo(e);
                }

                if (entityInfo == null && !(e instanceof Player) && TurnBasedMinecraftMod.proxy.isServerRunning()) {
                    continue;
                }
                Combatant newCombatant = new Combatant(e, entityInfo);
                newCombatant.isSideA = true;
                newCombatant.battleID = getId();
                this.sideA.put(e.getId(), newCombatant);
                if (e instanceof Player) {
                    newCombatant.recalcSpeedOnCompare = true;
                    playerCount.incrementAndGet();
                    players.put(e.getId(), newCombatant);
                }
                if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
                    newCombatant.x = e.getX();
                    newCombatant.z = e.getZ();
                    newCombatant.yaw = e.getXRot();
                    newCombatant.pitch = e.getYRot();
                }
            }
        }
        if (sideB != null) {
            for (Entity e : sideB) {
                EntityInfo entityInfo;
                try {
                    entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getCustomEntityInfoReference(e.getCustomName().getString());
                } catch (NullPointerException exception) {
                    entityInfo = null;
                }
                if (entityInfo == null) {
                    entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getMatchingEntityInfo(e);
                }

                if (entityInfo == null && !(e instanceof Player) && TurnBasedMinecraftMod.proxy.isServerRunning()) {
                    continue;
                }
                Combatant newCombatant = new Combatant(e, entityInfo);
                newCombatant.isSideA = false;
                newCombatant.battleID = getId();
                this.sideB.put(e.getId(), newCombatant);
                if (e instanceof Player) {
                    newCombatant.recalcSpeedOnCompare = true;
                    playerCount.incrementAndGet();
                    players.put(e.getId(), newCombatant);
                }
                if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
                    newCombatant.x = e.getX();
                    newCombatant.z = e.getZ();
                    newCombatant.yaw = e.getXRot();
                    newCombatant.pitch = e.getYRot();
                }
            }
        }

        if (isServer) {
            for (Combatant c : this.sideA.values()) {
                if (c.entityInfo != null) {
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, c.entity.getId(), 0, id, c.entityInfo.category);
                } else if (c.entity instanceof Player) {
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, c.entity.getId(), 0, id, "player");
                } else {
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, c.entity.getId(), 0, id);
                }
            }
            for (Combatant c : this.sideB.values()) {
                if (c.entityInfo != null) {
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, c.entity.getId(), 0, id, c.entityInfo.category);
                } else if (c.entity instanceof Player) {
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, c.entity.getId(), 0, id, "player");
                } else {
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, c.entity.getId(), 0, id);
                }
            }
        }

        lastInstant = System.nanoTime();
        state = State.DECISION;
        undecidedCount.set(playerCount.get());
        timer = TurnBasedMinecraftMod.proxy.getConfig().getDecisionDurationNanos();
        timerForever = TurnBasedMinecraftMod.proxy.getConfig().isBattleDecisionDurationForever();
        battleEnded = false;

        notifyPlayersBattleInfo();
    }

    public int getId() {
        return id;
    }

    public Entity getCombatantEntity(int entityID) {
        Combatant c = sideA.get(entityID);
        if (c != null) {
            return c.entity;
        }
        c = sideB.get(entityID);
        if (c != null) {
            return c.entity;
        }
        return null;
    }

    public boolean hasCombatant(int entityID) {
        for (Combatant c : sideAEntryQueue) {
            if (c.entity.getId() == entityID) {
                return true;
            }
        }
        for (Combatant c : sideBEntryQueue) {
            if (c.entity.getId() == entityID) {
                return true;
            }
        }
        return sideA.containsKey(entityID) || sideB.containsKey(entityID);
    }

    public boolean hasCombatantInSideA(int entityID) {
        for (Combatant c : sideAEntryQueue) {
            if (c.entity.getId() == entityID) {
                return true;
            }
        }
        return sideA.containsKey(entityID);
    }

    public void addCombatantToSideA(Entity e) {
        EntityInfo entityInfo;
        try {
            entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getCustomEntityInfoReference(e.getCustomName().getString());
        } catch (NullPointerException exception) {
            entityInfo = null;
        }
        if (entityInfo == null) {
            entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getMatchingEntityInfo(e);
        }

        if (isServer && entityInfo == null && !(e instanceof Player) && TurnBasedMinecraftMod.proxy.isServerRunning()) {
            return;
        }
        Combatant newCombatant = new Combatant(e, entityInfo);
        newCombatant.isSideA = true;
        newCombatant.battleID = getId();
        if (isServer) {
            sideAEntryQueue.add(newCombatant);
        } else {
            sideA.put(e.getId(), newCombatant);
        }
        if (e instanceof Player) {
            newCombatant.recalcSpeedOnCompare = true;
            playerCount.incrementAndGet();
            players.put(e.getId(), newCombatant);
            if (state == State.DECISION) {
                undecidedCount.incrementAndGet();
            }
        }
        if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
            newCombatant.x = e.getX();
            newCombatant.z = e.getZ();
            newCombatant.yaw = e.getXRot();
            newCombatant.pitch = e.getYRot();
        }
        if (isServer) {
            if (newCombatant.entityInfo != null) {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, newCombatant.entity.getId(), 0, id, newCombatant.entityInfo.category);
            } else if (newCombatant.entity instanceof Player) {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, newCombatant.entity.getId(), 0, id, "player");
            } else {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, newCombatant.entity.getId(), 0, id);
            }
        }
        notifyPlayersBattleInfo();
    }

    public void addCombatantToSideB(Entity e) {
        EntityInfo entityInfo;
        try {
            entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getCustomEntityInfoReference(e.getCustomName().getString());
        } catch (NullPointerException exception) {
            entityInfo = null;
        }
        if (entityInfo == null) {
            entityInfo = TurnBasedMinecraftMod.proxy.getConfig().getMatchingEntityInfo(e);
        }

        if (isServer && entityInfo == null && !(e instanceof Player) && TurnBasedMinecraftMod.proxy.isServerRunning()) {
            return;
        }
        Combatant newCombatant = new Combatant(e, entityInfo);
        newCombatant.isSideA = false;
        newCombatant.battleID = getId();
        if (isServer) {
            sideBEntryQueue.add(newCombatant);
        } else {
            sideB.put(e.getId(), newCombatant);
        }
        if (e instanceof Player) {
            newCombatant.recalcSpeedOnCompare = true;
            playerCount.incrementAndGet();
            players.put(e.getId(), newCombatant);
            if (state == State.DECISION) {
                undecidedCount.incrementAndGet();
            }
        }
        if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
            newCombatant.x = e.getX();
            newCombatant.z = e.getZ();
            newCombatant.yaw = e.getXRot();
            newCombatant.pitch = e.getYRot();
        }
        if (isServer) {
            if (newCombatant.entityInfo != null) {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, newCombatant.entity.getId(), 0, id, newCombatant.entityInfo.category);
            } else if (newCombatant.entity instanceof Player) {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, newCombatant.entity.getId(), 0, id, "player");
            } else {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.ENTERED, newCombatant.entity.getId(), 0, id);
            }
        }
        notifyPlayersBattleInfo();
    }

    public void clearCombatants() {
        sideA.clear();
        sideB.clear();
        sideAEntryQueue.clear();
        sideBEntryQueue.clear();
        players.clear();
        playerCount.set(0);
        undecidedCount.set(0);
    }

    public Collection<Combatant> getSideA() {
        return sideA.values();
    }

    public Collection<Combatant> getSideB() {
        return sideB.values();
    }

    public Set<Map.Entry<Integer, Combatant>> getSideAEntrySet() {
        return sideA.entrySet();
    }

    public Set<Map.Entry<Integer, Combatant>> getSideBEntrySet() {
        return sideB.entrySet();
    }

    public Collection<Integer> getSideAIDs() {
        Collection<Integer> sideAIDs = new ArrayList<Integer>(sideA.size());
        for (Combatant combatant : sideA.values()) {
            sideAIDs.add(combatant.entity.getId());
        }
        return sideAIDs;
    }

    public Collection<Integer> getSideBIDs() {
        Collection<Integer> sideBIDs = new ArrayList<Integer>(sideB.size());
        for (Combatant combatant : sideB.values()) {
            sideBIDs.add(combatant.entity.getId());
        }
        return sideBIDs;
    }

    public Combatant getCombatantByID(int entityID) {
        Combatant combatant = sideA.get(entityID);
        if (combatant == null) {
            combatant = sideB.get(entityID);
        }
        return combatant;
    }

    public void setDecision(int entityID, Decision decision, int targetIDOrItemID) {
        if (state != State.DECISION) {
            return;
        }
        Combatant combatant = players.get(entityID);
        if (combatant == null || combatant.decision != Decision.UNDECIDED) {
            return;
        }
        combatant.decision = decision;
        if (decision == Decision.ATTACK) {
            combatant.targetEntityID = targetIDOrItemID;
        } else if (decision == Decision.USE_ITEM || decision == Decision.SWITCH_ITEM) {
            combatant.itemToUse = targetIDOrItemID;
        }
        undecidedCount.decrementAndGet();
    }

    public State getState() {
        return state;
    }

    public void setState(State state) {
        this.state = state;
    }

    public long getTimerSeconds() {
        return timer / 1000000000L;
    }

    public long getTimerNanos() {
        return timer;
    }

    public int getSize() {
        int size = sideA.size() + sideB.size();
        size += sideAEntryQueue.size();
        size += sideBEntryQueue.size();
        return size;
    }

    protected void notifyPlayersBattleInfo() {
        if (!isServer) {
            return;
        }
        PacketBattleInfo infoPacket = new PacketBattleInfo(getSideAIDs(), getSideBIDs(), timer, TurnBasedMinecraftMod.proxy.getConfig().getDecisionDurationNanos(), !TurnBasedMinecraftMod.proxy.getConfig().isBattleDecisionDurationForever());
        for (Combatant p : players.values()) {
            PacketDistributor.PLAYER.with((ServerPlayer)p.entity).send(infoPacket);
        }
    }

    protected void sendMessageToAllPlayers(PacketBattleMessage.MessageType type, int from, int to, int amount) {
        sendMessageToAllPlayers(type, from, to, amount, new String());
    }

    protected void sendMessageToAllPlayers(PacketBattleMessage.MessageType type, int from, int to, int amount, String custom) {
        if (!isServer) {
            return;
        }
        PacketBattleMessage packet = new PacketBattleMessage(type, from, to, dimension, amount, custom);
        for (Combatant p : players.values()) {
            if (p.entity.isAlive()) {
                PacketDistributor.PLAYER.with((ServerPlayer)p.entity).send(packet);
            }
        }
    }

    /**
     * @return true if at least one combatant was removed
     */
    private boolean healthCheck() {
        boolean didRemove = false;
        for (Iterator<Map.Entry<Integer, Combatant>> iter = sideA.entrySet().iterator(); iter.hasNext(); ) {
            Map.Entry<Integer, Combatant> entry = iter.next();
            if (!entry.getValue().entity.isAlive()) {
                iter.remove();
                players.remove(entry.getKey());
                removeCombatantPostRemove(entry.getValue());
                didRemove = true;
                String category = null;
                if (entry.getValue().entityInfo != null) {
                    category = entry.getValue().entityInfo.category;
                } else if (entry.getValue().entity instanceof Player) {
                    category = "player";
                }
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.DIED, entry.getValue().entity.getId(), 0, 0, category);
            }
        }
        for (Iterator<Map.Entry<Integer, Combatant>> iter = sideB.entrySet().iterator(); iter.hasNext(); ) {
            Map.Entry<Integer, Combatant> entry = iter.next();
            if (!entry.getValue().entity.isAlive()) {
                iter.remove();
                players.remove(entry.getKey());
                removeCombatantPostRemove(entry.getValue());
                didRemove = true;
                String category = null;
                if (entry.getValue().entityInfo != null) {
                    category = entry.getValue().entityInfo.category;
                } else if (entry.getValue().entity instanceof Player) {
                    category = "player";
                }
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.DIED, entry.getValue().entity.getId(), 0, 0, category);
            }
        }
        if (players.isEmpty() || sideA.isEmpty() || sideB.isEmpty()) {
            battleEnded = true;
        } else if (didRemove) {
            resetUndecidedCount();
        }

        return didRemove;
    }

    /**
     * @return true if at least one combatant was removed
     */
    private boolean isCreativeCheck() {
        boolean didRemove = false;
        for (Iterator<Map.Entry<Integer, Combatant>> iter = players.entrySet().iterator(); iter.hasNext(); ) {
            Map.Entry<Integer, Combatant> entry = iter.next();
            if (entry.getValue().entity != null && ((Player) entry.getValue().entity).isCreative()) {
                sendMessageToAllPlayers(PacketBattleMessage.MessageType.BECAME_CREATIVE, entry.getValue().entity.getId(), 0, 0);
                iter.remove();
                sideA.remove(entry.getKey());
                sideB.remove(entry.getKey());
                playerCount.decrementAndGet();
                removeCombatantPostRemove(entry.getValue());
                didRemove = true;
            }
        }
        if (didRemove) {
            resetUndecidedCount();
        }

        return didRemove;
    }

    private void resetUndecidedCount() {
        if (state == State.DECISION) {
            undecidedCount.set(0);
            for (Combatant p : players.values()) {
                if (p.decision == Decision.UNDECIDED) {
                    undecidedCount.incrementAndGet();
                }
            }
        }
    }

    private void enforceFreezePositions() {
        for (Combatant c : sideA.values()) {
            c.entity.setPos(c.x, c.entity.getY(), c.z);
            c.entity.setYBodyRot(c.yaw);
            c.entity.setYHeadRot(c.pitch);
        }
        for (Combatant c : sideB.values()) {
            c.entity.setPos(c.x, c.entity.getY(), c.z);
            c.entity.setYBodyRot(c.yaw);
            c.entity.setYHeadRot(c.pitch);
        }
    }

    private void removeCombatant(Combatant c) {
        sideA.remove(c.entity.getId());
        sideB.remove(c.entity.getId());
        if (players.remove(c.entity.getId()) != null) {
            playerCount.decrementAndGet();
        }
        removeCombatantPostRemove(c);
    }

    private void removeCombatantPostRemove(Combatant c) {
        if (c.entity instanceof Player) {
            PacketDistributor.PLAYER.with((ServerPlayer)c.entity).send(new PacketBattleMessage(PacketBattleMessage.MessageType.ENDED, 0, 0, dimension, 0));
        }
        battleManager.addRecentlyLeftBattle(c);
    }

    public void forceRemoveCombatant(EntityIDDimPair e) {
        sideA.remove(e.id);
        sideB.remove(e.id);
        if (players.remove(e.id) != null) {
            playerCount.decrementAndGet();
        }
        for (Iterator<Combatant> iter = sideAEntryQueue.iterator(); iter.hasNext(); ) {
            Combatant c = iter.next();
            if (c.entity.getId() == e.id) {
                iter.remove();
                break;
            }
        }
        for (Iterator<Combatant> iter = sideBEntryQueue.iterator(); iter.hasNext(); ) {
            Combatant c = iter.next();
            if (c.entity.getId() == e.id) {
                iter.remove();
                break;
            }
        }
    }

    private void setDecisionState() {
        for (Combatant c : sideA.values()) {
            c.decision = Decision.UNDECIDED;
        }
        for (Combatant c : sideB.values()) {
            c.decision = Decision.UNDECIDED;
        }
        state = State.DECISION;
        undecidedCount.set(players.size());
    }

    /**
     * @return True if battle has ended
     */
    public boolean update() {
        if (!isServer) {
            return false;
        } else if (battleEnded) {
            Collection<Combatant> combatants = new ArrayList<Combatant>();
            combatants.addAll(sideA.values());
            combatants.addAll(sideB.values());
            for (Combatant c : combatants) {
                removeCombatant(c);
            }
            return true;
        }
        long nextInstant = System.nanoTime();
        long dt = nextInstant - lastInstant;
        lastInstant = nextInstant;
        try {
            return update(dt);
        } catch (Throwable t) {
            TurnBasedMinecraftMod.logger.error("Update: ", t);
            setDecisionState();
            boolean changed = false;
            if (healthCheck()) {
                changed = true;
            }
            if (isCreativeCheck()) {
                changed = true;
            }
            sendMessageToAllPlayers(PacketBattleMessage.MessageType.TURN_END, 0, 0, 1);
            if (changed) {
                notifyPlayersBattleInfo();
            }
            return battleEnded;
        }
    }

    private boolean update(final long dt) {
        if (battleEnded) {
            Collection<Combatant> combatants = new ArrayList<Combatant>();
            combatants.addAll(sideA.values());
            combatants.addAll(sideB.values());
            for (Combatant c : combatants) {
                removeCombatant(c);
            }
            return true;
        }
        boolean combatantsChanged = false;
        for (Combatant c = sideAEntryQueue.poll(); c != null; c = sideAEntryQueue.poll()) {
            sideA.put(c.entity.getId(), c);
            combatantsChanged = true;
        }
        for (Combatant c = sideBEntryQueue.poll(); c != null; c = sideBEntryQueue.poll()) {
            sideB.put(c.entity.getId(), c);
            combatantsChanged = true;
        }
        if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
            enforceFreezePositions();
        }
        defuseCreepers();
        switch (state) {
            case DECISION:
                timer -= dt;
                if ((!timerForever && timer <= 0) || undecidedCount.get() <= 0) {
                    for (Combatant c : sideA.values()) {
                        // picking decision for sideA non-players
                        if (!(c.entity instanceof Player) && c.decision == Decision.UNDECIDED && c.entityInfo != null) {
                            if (c.entity instanceof Creeper) {
                                if (c.creeperTurns++ < TurnBasedMinecraftMod.proxy.getConfig().getCreeperExplodeTurn()) {
                                    c.decision = Decision.CREEPER_WAIT;
                                } else {
                                    c.decision = Decision.CREEPER_EXPLODE;
                                }
                                continue;
                            }
                            int percentage = random.nextInt(100);
                            if (percentage < c.entityInfo.decisionAttack) {
                                c.decision = Decision.ATTACK;
                            } else if (percentage - c.entityInfo.decisionAttack < c.entityInfo.decisionDefend) {
                                c.decision = Decision.DEFEND;
                            } else if (percentage - c.entityInfo.decisionAttack - c.entityInfo.decisionDefend < c.entityInfo.decisionFlee) {
                                c.decision = Decision.FLEE;
                            }
                        }
                    }
                    for (Combatant c : sideB.values()) {
                        if (!(c.entity instanceof Player) && c.decision == Decision.UNDECIDED && c.entityInfo != null) {
                            if (c.entity instanceof Creeper) {
                                if (c.creeperTurns++ < TurnBasedMinecraftMod.proxy.getConfig().getCreeperExplodeTurn()) {
                                    c.decision = Decision.CREEPER_WAIT;
                                } else {
                                    c.decision = Decision.CREEPER_EXPLODE;
                                }
                                continue;
                            }
                            int percentage = random.nextInt(100);
                            if (percentage < c.entityInfo.decisionAttack) {
                                c.decision = Decision.ATTACK;
                            } else if (percentage - c.entityInfo.decisionAttack < c.entityInfo.decisionDefend) {
                                c.decision = Decision.DEFEND;
                            } else if (percentage - c.entityInfo.decisionAttack - c.entityInfo.decisionDefend < c.entityInfo.decisionFlee) {
                                c.decision = Decision.FLEE;
                            }
                        }
                    }
                    state = State.ACTION;
                    timer = TurnBasedMinecraftMod.proxy.getConfig().getDecisionDurationNanos();
                    timerForever = TurnBasedMinecraftMod.proxy.getConfig().isBattleDecisionDurationForever();
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.TURN_BEGIN, 0, 0, 0);
                    turnOrderQueue.clear();
                    for (Combatant c : sideA.values()) {
                        turnOrderQueue.add(c);
                    }
                    for (Combatant c : sideB.values()) {
                        turnOrderQueue.add(c);
                    }
                    return update(0);
                } else {
                    if (healthCheck()) {
                        combatantsChanged = true;
                    }
                    if (isCreativeCheck()) {
                        combatantsChanged = true;
                    }
                }
                break;
            case ACTION: {
                do {
                    // depend on BattleUpdater's tick limit as rate-of-update for doing Battle decisions
                    Combatant next = turnOrderQueue.poll();
                    if (next == null || !next.entity.isAlive()) {
                        break;
                    }

                    debugLog = next.entity.getDisplayName().getString();

                    next.remainingDefenses = 0;

                    Decision decision = next.decision;
                    next.decision = Decision.UNDECIDED;

                    switch (decision) {
                        case UNDECIDED:
                            debugLog += " undecided";
                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.DID_NOTHING, next.entity.getId(), 0, 0);
                            break;
                        case ATTACK:
                            debugLog += " attack";
                            Combatant target = null;
                            if (next.entity instanceof Player) {
                                debugLog += " as player";
                                target = sideA.get(next.targetEntityID);
                                if (target == null) {
                                    target = sideB.get(next.targetEntityID);
                                }
                                if (target == null || !target.entity.isAlive() || target == next) {
                                    continue;
                                }
                                ItemStack heldItemStack = ((Player) next.entity).getMainHandItem();
                                if (heldItemStack.getItem() instanceof BowItem) {
                                    debugLog += " with bow";
                                    if (Utility.doesPlayerHaveArrows((Player) next.entity)) {
                                        final Entity nextEntity = next.entity;
                                        final Entity targetEntity = target.entity;
                                        final float yawDirection = Utility.yawDirection(next.entity.getX(), next.entity.getZ(), target.entity.getX(), target.entity.getZ());
                                        final float pitchDirection = Utility.pitchDirection(next.entity.getX(), next.entity.getY(), next.entity.getZ(), target.entity.getX(), target.entity.getY(), target.entity.getZ());
                                        final int randomTimeLeft = random.nextInt(heldItemStack.getItem().getUseDuration(heldItemStack) / 3);
                                        if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
                                            next.yaw = yawDirection;
                                            next.pitch = pitchDirection;
                                        }
                                        // have player look at attack target
                                        ((ServerPlayer) nextEntity).connection.teleport(nextEntity.getX(), nextEntity.getY(), nextEntity.getZ(), yawDirection, pitchDirection);
                                        BowItem itemBow = (BowItem) heldItemStack.getItem();
                                        TurnBasedMinecraftMod.proxy.getAttackerViaBowSet().add(new AttackerViaBow(nextEntity, getId()));
                                        itemBow.releaseUsing(((Player) nextEntity).getMainHandItem(), nextEntity.level(), (LivingEntity) nextEntity, randomTimeLeft);
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.FIRED_ARROW, nextEntity.getId(), targetEntity.getId(), 0);
                                    } else {
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.BOW_NO_AMMO, next.entity.getId(), 0, 0);
                                    }
                                    continue;
                                } else if (heldItemStack.getItem() instanceof CrossbowItem) {
                                    debugLog += " with crossbow";
                                    if (Utility.doesPlayerHaveArrows((Player) next.entity)) {
                                        final Entity nextEntity = next.entity;
                                        final Entity targetEntity = target.entity;
                                        final float yawDirection = Utility.yawDirection(next.entity.getX(), next.entity.getZ(), target.entity.getX(), target.entity.getZ());
                                        final float pitchDirection = Utility.pitchDirection(next.entity.getX(), next.entity.getY(), next.entity.getZ(), target.entity.getX(), target.entity.getY(), target.entity.getZ());
                                        if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
                                            next.yaw = yawDirection;
                                            next.pitch = pitchDirection;
                                        }
                                        // have player look at attack target
                                        ((ServerPlayer) nextEntity).connection.teleport(nextEntity.getX(), nextEntity.getY(), nextEntity.getZ(), yawDirection, pitchDirection);
                                        CrossbowItem itemCrossbow = (CrossbowItem) heldItemStack.getItem();
                                        TurnBasedMinecraftMod.proxy.getAttackerViaBowSet().add(new AttackerViaBow(nextEntity, getId()));
                                        itemCrossbow.releaseUsing(heldItemStack, nextEntity.level(), (LivingEntity)nextEntity, -100);
                                        itemCrossbow.use(nextEntity.level(), (Player)nextEntity, InteractionHand.MAIN_HAND);
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.FIRED_ARROW, nextEntity.getId(), targetEntity.getId(), 0);
                                    } else {
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.CROSSBOW_NO_AMMO, next.entity.getId(), 0, 0);
                                    }
                                    continue;
                                }
                                debugLog += " without bow";
                                int hitChance = TurnBasedMinecraftMod.proxy.getConfig().getPlayerAttackProbability();
                                if (target.entity instanceof Player) {
                                    hitChance = hitChance * (100 - TurnBasedMinecraftMod.proxy.getConfig().getPlayerEvasion()) / 100;
                                } else {
                                    hitChance = hitChance * (100 - target.entityInfo.evasion) / 100;
                                }
                                if (hitChance < TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage()) {
                                    hitChance = TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage();
                                }
                                if (random.nextInt(100) < hitChance) {
                                    if (target.remainingDefenses <= 0) {
                                        debugLog += " hit success";
                                        // attack
                                        final Entity nextEntity = next.entity;
                                        final Entity targetEntity = target.entity;
                                        final EntityInfo targetEntityInfo = target.entityInfo;
                                        final float yawDirection = Utility.yawDirection(next.entity.getX(), next.entity.getZ(), target.entity.getX(), target.entity.getZ());
                                        final float pitchDirection = Utility.pitchDirection(next.entity.getX(), next.entity.getY(), next.entity.getZ(), target.entity.getX(), target.entity.getY(), target.entity.getZ());
                                        final boolean defenseDamageTriggered;
                                        if (!(targetEntity instanceof Player) && targetEntityInfo.defenseDamage > 0 && targetEntityInfo.defenseDamageProbability > 0) {
                                            if (random.nextInt(100) < targetEntityInfo.defenseDamageProbability) {
                                                defenseDamageTriggered = true;
                                            } else {
                                                defenseDamageTriggered = false;
                                            }
                                        } else {
                                            defenseDamageTriggered = false;
                                        }
                                        if (TurnBasedMinecraftMod.proxy.getConfig().isFreezeCombatantsEnabled()) {
                                            next.yaw = yawDirection;
                                            next.pitch = pitchDirection;
                                        }
                                        // have player look at attack target
                                        ((ServerPlayer) nextEntity).connection.teleport(nextEntity.getX(), nextEntity.getY(), nextEntity.getZ(), yawDirection, pitchDirection);
                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(nextEntity);
                                        TurnBasedMinecraftMod.proxy.setAttackingDamage(0);
                                        ((Player) nextEntity).attack(targetEntity);
                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(null);
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.ATTACK, nextEntity.getId(), targetEntity.getId(), TurnBasedMinecraftMod.proxy.getAttackingDamage());
                                        if (defenseDamageTriggered) {
                                            // defense damage
                                            DamageSource defenseDamageSource = targetEntity.damageSources().mobAttack((LivingEntity) targetEntity);
                                            TurnBasedMinecraftMod.proxy.setAttackingEntity(targetEntity);
                                            nextEntity.invulnerableTime = 0;
                                            nextEntity.hurt(defenseDamageSource, targetEntityInfo.defenseDamage);
                                            TurnBasedMinecraftMod.proxy.setAttackingEntity(null);
                                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.DEFENSE_DAMAGE, targetEntity.getId(), nextEntity.getId(), targetEntityInfo.defenseDamage);
                                        }
                                    } else {
                                        debugLog += " hit blocked";
                                        // blocked
                                        --target.remainingDefenses;
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.DEFEND, target.entity.getId(), next.entity.getId(), 0);
                                    }
                                } else {
                                    debugLog += " hit missed";
                                    // miss
                                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.MISS, next.entity.getId(), target.entity.getId(), 0);
                                }
                            } else {
                                debugLog += " as mob";
                                LivingEntity attackTarget = ((Mob) next.entity).getTarget();
                                if (attackTarget != null && hasCombatant(attackTarget.getId())) {
                                    debugLog += " to targeted";
                                    target = getCombatantByID(attackTarget.getId());
                                } else {
                                    debugLog += " to random other side";
                                    if (next.isSideA) {
                                        if (sideB.size() > 0) {
                                            int randomTargetIndex = random.nextInt(sideB.size());
                                            for (Combatant c : sideB.values()) {
                                                if (randomTargetIndex-- == 0) {
                                                    target = c;
                                                    break;
                                                }
                                            }
                                        }
                                    } else {
                                        if (sideA.size() > 0) {
                                            int randomTargetIndex = random.nextInt(sideA.size());
                                            for (Combatant c : sideA.values()) {
                                                if (randomTargetIndex-- == 0) {
                                                    target = c;
                                                    break;
                                                }
                                            }
                                        }
                                    }
                                }
                                if (target == null || !target.entity.isAlive() || target == next) {
                                    continue;
                                }
                                int hitChance = next.entityInfo.attackProbability;
                                if (target.entity instanceof Player) {
                                    hitChance = hitChance * (100 - TurnBasedMinecraftMod.proxy.getConfig().getPlayerEvasion()) / 100;
                                } else {
                                    hitChance = hitChance * (100 - target.entityInfo.evasion) / 100;
                                }
                                if (hitChance < TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage()) {
                                    hitChance = TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage();
                                }
                                if (random.nextInt(100) < hitChance) {
                                    if (target.remainingDefenses <= 0) {
                                        debugLog += " hit success";
                                        DamageSource damageSource = next.entity.damageSources().mobAttack((LivingEntity) next.entity);
                                        int damageAmount = next.entityInfo.attackPower;
                                        if (next.entityInfo.attackVariance > 0) {
                                            damageAmount += random.nextInt(next.entityInfo.attackVariance * 2 + 1) - next.entityInfo.attackVariance;
                                        }
                                        if (damageAmount < 0) {
                                            damageAmount = 0;
                                        }
                                        // attack
                                        final Entity nextEntity = next.entity;
                                        final EntityInfo nextEntityInfo = next.entityInfo;
                                        final Entity targetEntity = target.entity;
                                        final EntityInfo targetEntityInfo = target.entityInfo;
                                        final int finalDamageAmount = damageAmount;
                                        final boolean defenseDamageTriggered;
                                        final boolean attackEffectTriggered;

                                        if (!(targetEntity instanceof Player) && targetEntityInfo.defenseDamage > 0 && targetEntityInfo.defenseDamageProbability > 0) {
                                            if (random.nextInt(100) < targetEntityInfo.defenseDamageProbability) {
                                                defenseDamageTriggered = true;
                                            } else {
                                                defenseDamageTriggered = false;
                                            }
                                        } else {
                                            defenseDamageTriggered = false;
                                        }

                                        if (nextEntityInfo.attackEffect != EntityInfo.Effect.UNKNOWN && nextEntityInfo.attackEffectProbability > 0) {
                                            if (random.nextInt(100) < nextEntityInfo.attackEffectProbability) {
                                                attackEffectTriggered = true;
                                            } else {
                                                attackEffectTriggered = false;
                                            }
                                        } else {
                                            attackEffectTriggered = false;
                                        }

                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(nextEntity);
                                        targetEntity.invulnerableTime = 0;
                                        targetEntity.hurt(damageSource, finalDamageAmount);
                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(null);
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.ATTACK, nextEntity.getId(), targetEntity.getId(), finalDamageAmount);
                                        if (defenseDamageTriggered) {
                                            // defense damage
                                            DamageSource defenseDamageSource = targetEntity.damageSources().mobAttack((LivingEntity) targetEntity);
                                            TurnBasedMinecraftMod.proxy.setAttackingEntity(targetEntity);
                                            nextEntity.invulnerableTime = 0;
                                            nextEntity.hurt(defenseDamageSource, targetEntityInfo.defenseDamage);
                                            TurnBasedMinecraftMod.proxy.setAttackingEntity(null);
                                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.DEFENSE_DAMAGE, targetEntity.getId(), nextEntity.getId(), targetEntityInfo.defenseDamage);
                                        }
                                        // attack effect
                                        if (attackEffectTriggered) {
                                            nextEntityInfo.attackEffect.applyEffectToEntity((LivingEntity) targetEntity);
                                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.WAS_AFFECTED, nextEntity.getId(), targetEntity.getId(), 0, nextEntityInfo.attackEffect.getAffectedString());
                                        }
                                    } else {
                                        debugLog += " hit blocked";
                                        // blocked
                                        --target.remainingDefenses;
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.DEFEND, target.entity.getId(), next.entity.getId(), 0);
                                    }
                                } else {
                                    debugLog += " hit missed";
                                    // miss
                                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.MISS, next.entity.getId(), target.entity.getId(), 0);
                                }
                            }
                            break;
                        case DEFEND:
                            debugLog += " defend";
                            next.remainingDefenses = TurnBasedMinecraftMod.proxy.getConfig().getDefenseDuration();
                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.DEFENDING, next.entity.getId(), 0, 0);
                            break;
                        case FLEE:
                            debugLog += " flee";
                            int fastestEnemySpeed = 0;
                            if (next.isSideA) {
                                for (Combatant c : sideB.values()) {
                                    if (c.entity instanceof Player) {
                                        int playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSpeed();
                                        if (((Player) c.entity).hasEffect(MobEffects.MOVEMENT_SPEED)) {
                                            playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerHasteSpeed();
                                        } else if (((Player) c.entity).hasEffect(MobEffects.MOVEMENT_SLOWDOWN)) {
                                            playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSlowSpeed();
                                        }
                                        if (playerSpeed > fastestEnemySpeed) {
                                            fastestEnemySpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSpeed();
                                        }
                                    } else {
                                        if (c.entityInfo.speed > fastestEnemySpeed) {
                                            fastestEnemySpeed = c.entityInfo.speed;
                                        }
                                    }
                                }
                            } else {
                                for (Combatant c : sideA.values()) {
                                    if (c.entity instanceof Player) {
                                        int playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSpeed();
                                        if (((Player) c.entity).hasEffect(MobEffects.MOVEMENT_SPEED)) {
                                            playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerHasteSpeed();
                                        } else if (((Player) c.entity).hasEffect(MobEffects.MOVEMENT_SLOWDOWN)) {
                                            playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSlowSpeed();
                                        }
                                        if (playerSpeed > fastestEnemySpeed) {
                                            fastestEnemySpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSpeed();
                                        }
                                    } else {
                                        if (c.entityInfo.speed > fastestEnemySpeed) {
                                            fastestEnemySpeed = c.entityInfo.speed;
                                        }
                                    }
                                }
                            }
                            int fleeProbability = 0;
                            if (next.entity instanceof Player) {
                                int playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSpeed();
                                if (((Player) next.entity).hasEffect(MobEffects.MOVEMENT_SPEED)) {
                                    playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerHasteSpeed();
                                } else if (((Player) next.entity).hasEffect(MobEffects.MOVEMENT_SLOWDOWN)) {
                                    playerSpeed = TurnBasedMinecraftMod.proxy.getConfig().getPlayerSlowSpeed();
                                }
                                if (fastestEnemySpeed >= playerSpeed) {
                                    fleeProbability = TurnBasedMinecraftMod.proxy.getConfig().getFleeBadProbability();
                                } else {
                                    fleeProbability = TurnBasedMinecraftMod.proxy.getConfig().getFleeGoodProbability();
                                }
                            } else {
                                if (fastestEnemySpeed >= next.entityInfo.speed) {
                                    fleeProbability = TurnBasedMinecraftMod.proxy.getConfig().getFleeBadProbability();
                                } else {
                                    fleeProbability = TurnBasedMinecraftMod.proxy.getConfig().getFleeGoodProbability();
                                }
                            }
                            if (random.nextInt(100) < fleeProbability) {
                                debugLog += " success";
                                // flee success
                                combatantsChanged = true;
                                String fleeingCategory = new String();
                                if (next.entityInfo != null) {
                                    fleeingCategory = next.entityInfo.category;
                                } else if (next.entity instanceof Player) {
                                    fleeingCategory = "player";
                                }
                                removeCombatant(next);
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.FLEE, next.entity.getId(), 0, 1, fleeingCategory);
                            } else {
                                debugLog += " fail";
                                // flee fail
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.FLEE, next.entity.getId(), 0, 0);
                            }
                            break;
                        case USE_ITEM:
                            debugLog += " use item";
                            if (next.itemToUse < 0 || next.itemToUse > 8) {
                                debugLog += " invalid";
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.USED_ITEM, next.entity.getId(), 0, PacketBattleMessage.UsedItemAction.USED_INVALID.getValue());
                                break;
                            }
                            ItemStack targetItemStack = ((Player) next.entity).getInventory().getItem(next.itemToUse);
                            Item targetItem = targetItemStack.getItem();
                            if (targetItem == null) {
                                debugLog += " null";
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.USED_ITEM, next.entity.getId(), 0, PacketBattleMessage.UsedItemAction.USED_NOTHING.getValue());
                                break;
                            } else if (targetItem.isEdible()) {
                                debugLog += " food";
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.USED_ITEM, next.entity.getId(), 0, PacketBattleMessage.UsedItemAction.USED_FOOD.getValue(), targetItemStack.getDisplayName().getString());
                                final Entity nextEntity = next.entity;
                                final int nextItemToUse = next.itemToUse;
                                ((Player) nextEntity).getInventory().setItem(nextItemToUse, targetItem.finishUsingItem(targetItemStack, nextEntity.level(), (LivingEntity) nextEntity));
                            } else {
                                // then check vanilla foods
                                final CreativeModeTab foodAndDrinksTab = CreativeModeTabRegistry.getTab(CreativeModeTabs.FOOD_AND_DRINKS.location());
                                if (foodAndDrinksTab.contains(targetItemStack) && targetItem.isEdible()) {
                                    debugLog += " food";
                                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.USED_ITEM, next.entity.getId(), 0, PacketBattleMessage.UsedItemAction.USED_FOOD.getValue(), targetItemStack.getDisplayName().getString());
                                    final Entity nextEntity = next.entity;
                                    final int nextItemToUse = next.itemToUse;
                                    ((Player) nextEntity).getInventory().setItem(nextItemToUse, targetItem.finishUsingItem(targetItemStack, nextEntity.level(), (LivingEntity) nextEntity));
                                } else if (targetItem instanceof PotionItem && !(targetItem instanceof ThrowablePotionItem)) {
                                    debugLog += " potion";
                                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.USED_ITEM, next.entity.getId(), 0, PacketBattleMessage.UsedItemAction.USED_POTION.getValue(), targetItemStack.getDisplayName().getString());
                                    final Entity nextEntity = next.entity;
                                    final int nextItemToUse = next.itemToUse;
                                    ((Player) nextEntity).getInventory().setItem(nextItemToUse, targetItem.finishUsingItem(targetItemStack, nextEntity.level(), (LivingEntity) nextEntity));
                                } else {
                                    debugLog += " non-consumable";
                                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.USED_ITEM, next.entity.getId(), 0, PacketBattleMessage.UsedItemAction.USED_INVALID.getValue(), targetItemStack.getDisplayName().getString());
                                    final Entity nextEntity = next.entity;
                                    final int nextItemToUse = next.itemToUse;
                                    final int prevItem = ((Player)nextEntity).getInventory().selected;
                                    ((Player)nextEntity).getInventory().selected = nextItemToUse;
                                    ((Player)nextEntity).getInventory().setItem(nextItemToUse, targetItem.use(nextEntity.level(), (Player)nextEntity, InteractionHand.MAIN_HAND).getObject());
                                    ((Player)nextEntity).getInventory().selected = prevItem;
                                }
                            }
                            break;
                        case SWITCH_ITEM: {
                            debugLog += " switch item";
                            if (next.itemToUse < 0 || next.itemToUse > 8) {
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.SWITCHED_ITEM, next.entity.getId(), 0, 0);
                                break;
                            }
                            final Entity nextEntity = next.entity;
                            final int nextItemToUse = next.itemToUse;
                            ((Player) nextEntity).getInventory().selected = nextItemToUse;
                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.SWITCHED_ITEM, next.entity.getId(), 0, 1);
                        }
                        break;
                        case CREEPER_WAIT:
                            debugLog += " creeper wait";
                            if (next.creeperTurns < TurnBasedMinecraftMod.proxy.getConfig().getCreeperExplodeTurn()) {
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.CREEPER_WAIT, next.entity.getId(), 0, 0);
                            } else {
                                sendMessageToAllPlayers(PacketBattleMessage.MessageType.CREEPER_WAIT_FINAL, next.entity.getId(), 0, 0);
                            }
                            break;
                        case CREEPER_EXPLODE: {
                            debugLog += " creeper explode";
                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.CREEPER_EXPLODE, next.entity.getId(), 0, 0);
                            final Entity nextEntity = next.entity;
                            final EntityInfo nextEntityInfo = next.entityInfo;
                            for (Combatant c : sideA.values()) {
                                if (c.entity.getId() != next.entity.getId()) {
                                    int hitChance = next.entityInfo.attackProbability;
                                    if (c.entity instanceof Player) {
                                        hitChance = hitChance * (100 - TurnBasedMinecraftMod.proxy.getConfig().getPlayerEvasion()) / 100;
                                    } else {
                                        hitChance = hitChance * (100 - c.entityInfo.evasion) / 100;
                                    }
                                    if (hitChance < TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage()) {
                                        hitChance = TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage();
                                    }
                                    if (random.nextInt(100) < hitChance) {
                                        final Entity targetEntity = c.entity;
                                        final EntityInfo targetEntityInfo = c.entityInfo;
                                        int damageAmount = nextEntityInfo.attackPower;
                                        if (nextEntityInfo.attackVariance > 0) {
                                            damageAmount += random.nextInt(nextEntityInfo.attackVariance * 2 + 1) - nextEntityInfo.attackVariance;
                                        }
                                        if (damageAmount < 0) {
                                            damageAmount = 0;
                                        }
                                        final int finalDamageAmount = damageAmount;
                                        final boolean attackEffectTriggered;
                                        if (nextEntityInfo.attackEffect != EntityInfo.Effect.UNKNOWN && nextEntityInfo.attackEffectProbability > 0) {
                                            if (random.nextInt(100) < nextEntityInfo.attackEffectProbability) {
                                                attackEffectTriggered = true;
                                            } else {
                                                attackEffectTriggered = false;
                                            }
                                        } else {
                                            attackEffectTriggered = false;
                                        }

                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(nextEntity);
                                        targetEntity.invulnerableTime = 0;
                                        targetEntity.hurt(nextEntity.damageSources().mobAttack((LivingEntity) nextEntity), finalDamageAmount);
                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(null);
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.ATTACK, nextEntity.getId(), targetEntity.getId(), finalDamageAmount);
                                        if (attackEffectTriggered) {
                                            nextEntityInfo.attackEffect.applyEffectToEntity((LivingEntity) targetEntity);
                                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.WAS_AFFECTED, nextEntity.getId(), targetEntity.getId(), 0, nextEntityInfo.attackEffect.getAffectedString());
                                        }
                                    }
                                }
                            }
                            for (Combatant c : sideB.values()) {
                                if (c.entity.getId() != next.entity.getId()) {
                                    int hitChance = next.entityInfo.attackProbability;
                                    if (c.entity instanceof Player) {
                                        hitChance = hitChance * (100 - TurnBasedMinecraftMod.proxy.getConfig().getPlayerEvasion()) / 100;
                                    } else {
                                        hitChance = hitChance * (100 - c.entityInfo.evasion) / 100;
                                    }
                                    if (hitChance < TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage()) {
                                        hitChance = TurnBasedMinecraftMod.proxy.getConfig().getMinimumHitPercentage();
                                    }
                                    if (random.nextInt(100) < hitChance) {
                                        final Entity targetEntity = c.entity;
                                        final EntityInfo targetEntityInfo = c.entityInfo;
                                        int damageAmount = nextEntityInfo.attackPower;
                                        if (nextEntityInfo.attackVariance > 0) {
                                            damageAmount += random.nextInt(nextEntityInfo.attackVariance * 2 + 1) - nextEntityInfo.attackVariance;
                                        }
                                        if (damageAmount < 0) {
                                            damageAmount = 0;
                                        }
                                        final int finalDamageAmount = damageAmount;
                                        final boolean attackEffectTriggered;
                                        if (nextEntityInfo.attackEffect != EntityInfo.Effect.UNKNOWN && nextEntityInfo.attackEffectProbability > 0) {
                                            if (random.nextInt(100) < nextEntityInfo.attackEffectProbability) {
                                                attackEffectTriggered = true;
                                            } else {
                                                attackEffectTriggered = false;
                                            }
                                        } else {
                                            attackEffectTriggered = false;
                                        }

                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(nextEntity);
                                        targetEntity.invulnerableTime = 0;
                                        targetEntity.hurt(nextEntity.damageSources().mobAttack((LivingEntity) nextEntity), finalDamageAmount);
                                        TurnBasedMinecraftMod.proxy.setAttackingEntity(null);
                                        sendMessageToAllPlayers(PacketBattleMessage.MessageType.ATTACK, nextEntity.getId(), targetEntity.getId(), finalDamageAmount);
                                        if (attackEffectTriggered) {
                                            nextEntityInfo.attackEffect.applyEffectToEntity((LivingEntity) targetEntity);
                                            sendMessageToAllPlayers(PacketBattleMessage.MessageType.WAS_AFFECTED, nextEntity.getId(), targetEntity.getId(), 0, nextEntityInfo.attackEffect.getAffectedString());
                                        }
                                    }
                                }
                            }
                            ((Creeper) nextEntity).setSwellDir(1000000);
                        }
                        break;
                    }
                } while (false);
                debugLog = "Action almost end";
                if (turnOrderQueue.isEmpty()) {
                    setDecisionState();
                    if (healthCheck()) {
                        combatantsChanged = true;
                    }
                    if (isCreativeCheck()) {
                        combatantsChanged = true;
                    }
                    debugLog += ", adding task";
                    sendMessageToAllPlayers(PacketBattleMessage.MessageType.TURN_END, 0, 0, 0);
                }
                debugLog = "Actions end";
                break;
            } // case ACTION
            default:
                state = State.DECISION;
                break;
        } // switch(state)
        debugLog = "Update almost end";
        if (combatantsChanged) {
            notifyPlayersBattleInfo();
        }
        if (battleEnded) {
            Collection<Combatant> combatants = new ArrayList<Combatant>();
            combatants.addAll(sideA.values());
            combatants.addAll(sideB.values());
            for (Combatant c : combatants) {
                removeCombatant(c);
            }
        }
        debugLog = "Update end";
        return battleEnded;
    } // update(final long dt)

    private void defuseCreepers() {
        for (Combatant c : sideA.values()) {
            if (c.entity instanceof Creeper) {
                if (c.creeperTurns <= TurnBasedMinecraftMod.proxy.getConfig().getCreeperExplodeTurn()) {
                    ((Creeper) c.entity).setSwellDir(-10);
                } else {
                    ((Creeper) c.entity).setSwellDir(1000000);
                }
            }
        }
        for (Combatant c : sideB.values()) {
            if (c.entity instanceof Creeper) {
                if (c.creeperTurns <= TurnBasedMinecraftMod.proxy.getConfig().getCreeperExplodeTurn()) {
                    ((Creeper) c.entity).setSwellDir(-10);
                } else {
                    ((Creeper) c.entity).setSwellDir(1000000);
                }
            }
        }
    }
}