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- Improvements and cleanup in AiAttackController.

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Sloth
2015-04-16 19:05:35 +00:00
parent 45b44121b9
commit ca84d46eec
1 changed files with 63 additions and 71 deletions
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106
forge-ai/src/main/java/forge/ai/AiAttackController.java
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@@ -68,8 +68,7 @@ public class AiAttackController {
private final Player ai;
private Player defendingOpponent;
private int aiAggression = 0; // added by Masher, how aggressive the ai is
// attack will be depending on circumstances
private int aiAggression = 0; // added by Masher, how aggressive the ai is attack will be depending on circumstances
/**
@@ -204,7 +203,8 @@ public class AiAttackController {
if (ComputerUtilCombat.poisonIfUnblocked(attacker, opp) > 0) {
return true;
}
if (this.attackers.size() == 1 && attacker.hasKeyword("Exalted") && ComputerUtilCombat.predictDamageTo(opp, 1, attacker, true) > 0) {
if (this.attackers.size() == 1 && attacker.hasKeyword("Exalted")
&& ComputerUtilCombat.predictDamageTo(opp, 1, attacker, true) > 0) {
return true;
}
@@ -224,27 +224,26 @@ public class AiAttackController {
possibleBlockers = CardLists.filter(possibleBlockers, new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
return canBlockAnAttacker(c, attackers);
return canBlockAnAttacker(c, attackers, false);
}
});
return possibleBlockers;
}
public final static boolean canBlockAnAttacker(final Card c, final List<Card> attackers) {
public final static boolean canBlockAnAttacker(final Card c, final List<Card> attackers, final boolean nextTurn) {
final List<Card> attackerList = new ArrayList<Card>(attackers);
if (!c.isCreature()) {
return false;
}
for (final Card attacker : attackerList) {
if (CombatUtil.canBlock(attacker, c)) {
if (CombatUtil.canBlock(attacker, c, nextTurn)) {
return true;
}
}
return false;
}
// this checks to make sure that the computer player
// doesn't lose when the human player attacks
// this checks to make sure that the computer player doesn't lose when the human player attacks
// this method is used by getAttackers()
public final List<Card> notNeededAsBlockers(final Player ai, final List<Card> attackers) {
final List<Card> notNeededAsBlockers = new ArrayList<Card>(attackers);
@@ -254,13 +253,20 @@ public class AiAttackController {
if (ai.getGame().getPhaseHandler().getNextTurn().equals(ai)) {
return attackers;
}
List<Card> opponentsAttackers = new ArrayList<Card>(oppList);
opponentsAttackers = CardLists.filter(opponentsAttackers, new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
return ComputerUtilCombat.canAttackNextTurn(c) && c.getNetCombatDamage() > 0;
}
});
for (final Card c : this.myList) {
if (c.getName().equals("Masako the Humorless")) {
// "Tapped creatures you control can block as though they were untapped."
return attackers;
}
if (!attackers.contains(c)) { // this creature can't attack anyway
if (canBlockAnAttacker(c, this.oppList)) {
if (canBlockAnAttacker(c, opponentsAttackers, false)) {
fixedBlockers++;
}
continue;
@@ -268,16 +274,16 @@ public class AiAttackController {
if (c.hasKeyword("Vigilance")) {
vigilantes.add(c);
notNeededAsBlockers.remove(c); // they will be re-added later
if (canBlockAnAttacker(c, this.oppList)) {
if (canBlockAnAttacker(c, opponentsAttackers, false)) {
fixedBlockers++;
}
}
}
CardLists.sortByPowerAsc(attackers);
int blockersNeeded = this.oppList.size();
int blockersNeeded = opponentsAttackers.size();
// don't hold back creatures that can't block any of the human creatures
final List<Card> list = getPossibleBlockers(attackers, this.oppList);
final List<Card> list = getPossibleBlockers(attackers, opponentsAttackers);
//Calculate the amount of creatures necessary
for (int i = 0; i < list.size(); i++) {
@@ -313,9 +319,7 @@ public class AiAttackController {
final boolean finestHour = opp.isCardInPlay("Finest Hour");
if ((blockersNeeded == 0 || finestHour) && !this.oppList.isEmpty()) {
//
// total attack = biggest creature + exalted, *2 if Rafiq is in
// play
// total attack = biggest creature + exalted, *2 if Rafiq is in play
int humanBasePower = getAttack(this.oppList.get(0)) + humanExaltedBonus;
if (finestHour) {
// For Finest Hour, one creature could attack and get the
@@ -326,7 +330,7 @@ public class AiAttackController {
: humanBasePower;
if (ai.getLife() - 3 <= totalExaltedAttack) {
// We will lose if there is an Exalted attack -- keep one blocker
if ((blockersNeeded == 0) && !notNeededAsBlockers.isEmpty()) {
if (blockersNeeded == 0 && !notNeededAsBlockers.isEmpty()) {
notNeededAsBlockers.remove(0);
}
@@ -362,8 +366,7 @@ public class AiAttackController {
totalPoison += ComputerUtilCombat.poisonIfUnblocked(attacker, ai);
}
if (totalAttack > 0 && ai.getLife() <= totalAttack
&& !ai.cantLoseForZeroOrLessLife()) {
if (totalAttack > 0 && ai.getLife() <= totalAttack && !ai.cantLoseForZeroOrLessLife()) {
return true;
}
return ai.getPoisonCounters() + totalPoison > 9;
@@ -371,8 +374,7 @@ public class AiAttackController {
private boolean doAssault(final Player ai) {
// Beastmaster Ascension
if (ai.isCardInPlay("Beastmaster Ascension")
&& (this.attackers.size() > 1)) {
if (ai.isCardInPlay("Beastmaster Ascension") && this.attackers.size() > 1) {
final CardCollectionView beastions = ai.getCardsIn(ZoneType.Battlefield, "Beastmaster Ascension");
int minCreatures = 7;
for (final Card beastion : beastions) {
@@ -446,11 +448,11 @@ public class AiAttackController {
if (ComputerUtilCombat.sumDamageIfUnblocked(unblockedAttackers, opp) + ComputerUtil.possibleNonCombatDamage(ai)
+ trampleDamage >= opp.getLife()
&& !((opp.cantLoseForZeroOrLessLife() || ai.cantWin()) && (opp.getLife() < 1))) {
&& !((opp.cantLoseForZeroOrLessLife() || ai.cantWin()) && opp.getLife() < 1)) {
return true;
}
if (ComputerUtilCombat.sumPoisonIfUnblocked(unblockedAttackers, opp) >= (10 - opp.getPoisonCounters())) {
if (ComputerUtilCombat.sumPoisonIfUnblocked(unblockedAttackers, opp) >= 10 - opp.getPoisonCounters()) {
return true;
}
@@ -613,19 +615,29 @@ public class AiAttackController {
final List<Card> nextTurnAttackers = new ArrayList<Card>();
int candidateCounterAttackDamage = 0;
final Player opp = this.defendingOpponent;
// get the potential damage and strength of the AI forces
final List<Card> candidateAttackers = new ArrayList<Card>();
int candidateUnblockedDamage = 0;
for (final Card pCard : this.myList) {
// if the creature can attack then it's a potential attacker this
// turn, assume summoning sickness creatures will be able to
if (ComputerUtilCombat.canAttackNextTurn(pCard) && pCard.getNetCombatDamage() > 0) {
candidateAttackers.add(pCard);
candidateUnblockedDamage += ComputerUtilCombat.damageIfUnblocked(pCard, opp, null, false);
computerForces += 1;
}
}
for (final Card pCard : this.oppList) {
// if the creature can attack next turn add it to counter attackers
// list
if (ComputerUtilCombat.canAttackNextTurn(pCard)) {
// if the creature can attack next turn add it to counter attackers list
if (ComputerUtilCombat.canAttackNextTurn(pCard) && pCard.getNetCombatDamage() > 0) {
nextTurnAttackers.add(pCard);
if (pCard.getNetCombatDamage() > 0) {
candidateCounterAttackDamage += pCard.getNetCombatDamage();
humanForces += 1; // player forces they might use to attack
}
}
// increment player forces that are relevant to an attritional
// attack - includes walls
if (CombatUtil.canBlock(pCard, true)) {
// increment player forces that are relevant to an attritional attack - includes walls
if (canBlockAnAttacker(pCard, candidateAttackers, true)) {
humanForcesForAttritionalAttack += 1;
}
}
@@ -636,22 +648,6 @@ public class AiAttackController {
aiLifeToPlayerDamageRatio = (double) ai.getLife() / candidateCounterAttackDamage;
}
final Player opp = this.defendingOpponent;
// get the potential damage and strength of the AI forces
final List<Card> candidateAttackers = new ArrayList<Card>();
int candidateUnblockedDamage = 0;
for (final Card pCard : this.myList) {
// if the creature can attack then it's a potential attacker this
// turn, assume summoning sickness creatures will be able to
if (ComputerUtilCombat.canAttackNextTurn(pCard)) {
candidateAttackers.add(pCard);
if (pCard.getNetCombatDamage() > 0) {
candidateUnblockedDamage += ComputerUtilCombat.damageIfUnblocked(pCard, opp, null, false);
computerForces += 1;
}
}
}
// find the potential damage ratio the AI can cause
double humanLifeToDamageRatio = 1000000;
if (candidateUnblockedDamage > 0) {
@@ -751,8 +747,7 @@ public class AiAttackController {
nextUnblockableDamage += ComputerUtilCombat.damageIfUnblocked(attacker, opp, null, false);
}
}
if (unblockableDamage > 0 && !opp.cantLoseForZeroOrLessLife()
&& opp.canLoseLife()) {
if (unblockableDamage > 0 && !opp.cantLoseForZeroOrLessLife() && opp.canLoseLife()) {
turnsUntilDeathByUnblockable = 1 + (opp.getLife() - unblockableDamage) / nextUnblockableDamage;
}
if (opp.canLoseLife()) {
@@ -796,7 +791,7 @@ public class AiAttackController {
if ( LOG_AI_ATTACKS )
System.out.println("Normal attack");
attackersLeft = this.notNeededAsBlockers(ai, attackersLeft);
attackersLeft = notNeededAsBlockers(ai, attackersLeft);
attackersLeft = sortAttackers(attackersLeft);
if ( LOG_AI_ATTACKS )
@@ -971,8 +966,7 @@ public class AiAttackController {
canBeKilledByOne = true;
isWorthLessThanAllKillers = false;
hasCombatEffect = false;
}
else if (ComputerUtilCard.canBeBlockedProfitably(defendingOpponent, attacker)) {
} else if (ComputerUtilCard.canBeBlockedProfitably(defendingOpponent, attacker)) {
canKillAllDangerous = false;
canBeKilled = true;
}
@@ -1013,8 +1007,7 @@ public class AiAttackController {
return true;
}
break;
case 3: // expecting to at least kill a creature of equal value, not be
// blocked
case 3: // expecting to at least kill a creature of equal value or not be blocked
if ((canKillAll && isWorthLessThanAllKillers)
|| ((canKillAllDangerous || hasAttackEffect || hasCombatEffect) && !canBeKilledByOne)
|| !canBeBlocked) {
@@ -1023,10 +1016,9 @@ public class AiAttackController {
return true;
}
break;
case 2: // attack expecting to attract a group block or destroying a
// single blocker and surviving
if ((((canKillAll || hasAttackEffect || hasCombatEffect) && !canBeKilledByOne) || !canBeBlocked) &&
(canKillAllDangerous || !canBeKilled)) {
case 2: // attack expecting to attract a group block or destroying a single blocker and surviving
if (!canBeBlocked || ((canKillAll || hasAttackEffect || hasCombatEffect) && !canBeKilledByOne &&
(canKillAllDangerous || !canBeKilled))) {
if (LOG_AI_ATTACKS)
System.out.println(attacker.getName() + " = attacking expecting to survive or attract group block");
return true;