/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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* or implied, of BetaSteward_at_googlemail.com.
*/
package mage.player.ai.simulators;
import mage.game.Game;
import mage.game.permanent.Permanent;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public class CombatGroupSimulator implements Serializable {
public List<CreatureSimulator> attackers = new ArrayList<>();
public List<CreatureSimulator> blockers = new ArrayList<>();
public UUID defenderId;
public boolean defenderIsPlaneswalker;
public int unblockedDamage;
private CreatureSimulator attacker;
public CombatGroupSimulator(UUID defenderId, List<UUID> attackers, List<UUID> blockers, Game game) {
this.defenderId = defenderId;
for (UUID attackerId: attackers) {
Permanent permanent = game.getPermanent(attackerId);
this.attackers.add(new CreatureSimulator(permanent));
}
for (UUID blockerId: blockers) {
Permanent permanent = game.getPermanent(blockerId);
this.blockers.add(new CreatureSimulator(permanent));
}
//NOTE: assumes no banding
attacker = this.attackers.get(0);
}
private boolean hasFirstOrDoubleStrike() {
for (CreatureSimulator creature: attackers) {
if (creature.hasDoubleStrike || creature.hasFirstStrike)
return true;
}
for (CreatureSimulator creature: blockers) {
if (creature.hasDoubleStrike || creature.hasFirstStrike)
return true;
}
return false;
}
public boolean canBlock(Permanent blocker, Game game) {
return blocker.canBlock(attacker.id, game);
}
public void simulateCombat() {
unblockedDamage = 0;
if (hasFirstOrDoubleStrike())
assignDamage(true);
assignDamage(false);
}
private void assignDamage(boolean first) {
if (blockers.isEmpty()) {
if (canDamage(attacker, first))
unblockedDamage += attacker.power;
}
else if (blockers.size() == 1) {
CreatureSimulator blocker = blockers.get(0);
if (canDamage(attacker, first)) {
if (attacker.hasTrample) {
int lethalDamage = blocker.getLethalDamage();
if (attacker.power > lethalDamage) {
blocker.damage += lethalDamage;
unblockedDamage += attacker.power - lethalDamage;
}
else {
blocker.damage += attacker.power;
}
}
}
if (canDamage(blocker, first)) {
attacker.damage += blocker.power;
}
}
else {
int damage = attacker.power;
for (CreatureSimulator blocker: blockers) {
if (damage > 0 && canDamage(attacker, first)) {
int lethalDamage = blocker.getLethalDamage();
if (damage > lethalDamage) {
blocker.damage += lethalDamage;
damage -= lethalDamage;
}
else {
blocker.damage += damage;
damage = 0;
}
}
if (canDamage(blocker, first)) {
attacker.damage += blocker.power;
}
}
if (damage > 0) {
if (attacker.hasTrample) {
unblockedDamage += damage;
}
else {
blockers.get(0).damage += damage;
}
}
}
}
private boolean canDamage(CreatureSimulator creature, boolean first) {
if (first && (creature.hasFirstStrike || creature.hasDoubleStrike))
return true;
if (!first && (!creature.hasFirstStrike || creature.hasDoubleStrike))
return true;
return false;
}
/**
* returns 3 attacker survives blockers destroyed
* returns 2 both destroyed
* returns 1 both survive
* returns 0 attacker destroyed blockers survive
*
* @return int
*/
public int evaluateCombat() {
int survivingBlockers = 0;
for (CreatureSimulator blocker: blockers) {
if (blocker.damage < blocker.toughness)
survivingBlockers++;
}
if (attacker.isDead()) {
if (survivingBlockers > 0) {
return 0;
}
return 2;
}
else {
if (survivingBlockers > 0) {
return 1;
}
return 3;
}
}
}