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- Improved AI chump-blocking Tramplers.

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This commit is contained in:
Sloth
2013-06-04 13:18:07 +00:00
parent ea5a00a2dd
commit fda88dcabf
1 changed files with 60 additions and 55 deletions
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111
src/main/java/forge/game/ai/ComputerUtilBlock.java
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@@ -567,26 +567,56 @@ public class ComputerUtilBlock {
private static Combat makeChumpBlocks(final Player ai, final Combat combat) {
List<Card> currentAttackers = new ArrayList<Card>(ComputerUtilBlock.getAttackersLeft());
List<Card> chumpBlockers;
for (final Card attacker : ComputerUtilBlock.getAttackersLeft()) {
return makeChumpBlocks(ai, combat, currentAttackers);
}
if (attacker.hasKeyword("CARDNAME can't be blocked except by two or more creatures.")
|| attacker.hasKeyword("You may have CARDNAME assign its combat damage as though it weren't blocked.")) {
continue;
}
private static Combat makeChumpBlocks(final Player ai, final Combat combat, List<Card> attackers) {
chumpBlockers = ComputerUtilBlock
.getPossibleBlockers(attacker, ComputerUtilBlock.getBlockersLeft(), combat, true);
if ((chumpBlockers.size() > 0) && ComputerUtilCombat.lifeInDanger(ai, combat)) {
final Card blocker = ComputerUtilCard.getWorstCreatureAI(chumpBlockers);
combat.addBlocker(attacker, blocker);
currentAttackers.remove(attacker);
ComputerUtilBlock.getBlockedButUnkilled().add(attacker);
}
if (attackers.isEmpty() || !ComputerUtilCombat.lifeInDanger(ai, combat)) {
return combat;
}
ComputerUtilBlock.setAttackersLeft(new ArrayList<Card>(currentAttackers));
return combat;
Card attacker = attackers.get(0);
if (attacker.hasKeyword("CARDNAME can't be blocked except by two or more creatures.")
|| attacker.hasKeyword("You may have CARDNAME assign its combat damage as though it weren't blocked.")) {
attackers.remove(0);
return makeChumpBlocks(ai, combat, attackers);
}
List<Card> chumpBlockers = ComputerUtilBlock
.getPossibleBlockers(attacker, ComputerUtilBlock.getBlockersLeft(), combat, true);
if (!chumpBlockers.isEmpty()) {
final Card blocker = ComputerUtilCard.getWorstCreatureAI(chumpBlockers);
// check if it's better to block a creature with lower power and without trample
if (attacker.hasKeyword("Trample")) {
final int damageAbsorbed = blocker.getLethalDamage();
if (attacker.getNetCombatDamage() > damageAbsorbed) {
for (Card other : attackers) {
if (other.equals(attacker)) {
continue;
}
if (other.getNetCombatDamage() >= damageAbsorbed
&& !other.hasKeyword("Trample")
&& CombatUtil.canBlock(other, blocker, combat)) {
combat.addBlocker(other, blocker);
ComputerUtilBlock.getAttackersLeft().remove(other);
ComputerUtilBlock.getBlockedButUnkilled().add(other);
attackers.remove(other);
return makeChumpBlocks(ai, combat, attackers);
}
}
}
}
combat.addBlocker(attacker, blocker);
ComputerUtilBlock.getAttackersLeft().remove(attacker);
ComputerUtilBlock.getBlockedButUnkilled().add(attacker);
}
attackers.remove(0);
return makeChumpBlocks(ai, combat, attackers);
}
// Reinforce blockers blocking attackers with trample (should only be made
@@ -777,13 +807,7 @@ public class ComputerUtilBlock {
List<Card> blockers;
List<Card> chumpBlockers;
ComputerUtilBlock.setDiff((ai.getLife() * 2) - 5); // This
// is
// the
// minimal gain
// for an
// unnecessary
// trade
ComputerUtilBlock.setDiff((ai.getLife() * 2) - 5); // This is the minimal gain for an unnecessary trade
// remove all attackers that can't be blocked anyway
for (final Card a : ComputerUtilBlock.getAttackers()) {
@@ -810,15 +834,11 @@ public class ComputerUtilBlock {
combat = ComputerUtilBlock.makeGoodBlocks(ai, combat);
combat = ComputerUtilBlock.makeGangBlocks(ai, combat);
if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
combat = ComputerUtilBlock.makeTradeBlocks(ai, combat); // choose
// necessary
// trade blocks
combat = ComputerUtilBlock.makeTradeBlocks(ai, combat); // choose necessary trade blocks
}
// if life is in danger
if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
combat = ComputerUtilBlock.makeChumpBlocks(ai, combat); // choose
// necessary
// chump blocks
combat = ComputerUtilBlock.makeChumpBlocks(ai, combat); // choose necessary chump blocks
}
// if life is still in danger
// Reinforce blockers blocking attackers with trample if life is still
@@ -836,22 +856,14 @@ public class ComputerUtilBlock {
// ==
if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
lifeInDanger = true;
combat = ComputerUtilBlock.resetBlockers(combat, possibleBlockers); // reset
// every
// block
// assignment
combat = ComputerUtilBlock.makeTradeBlocks(ai, combat); // choose
// necessary
// trade blocks
combat = ComputerUtilBlock.resetBlockers(combat, possibleBlockers); // reset every block assignment
combat = ComputerUtilBlock.makeTradeBlocks(ai, combat); // choose necessary trade blocks
// if life is in danger
combat = ComputerUtilBlock.makeGoodBlocks(ai, combat);
// choose necessary chump blocks if life is still in danger
if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
combat = ComputerUtilBlock.makeChumpBlocks(ai, combat); // choose
// necessary
// chump
combat = ComputerUtilBlock.makeChumpBlocks(ai, combat);
}
// blocks if life is still in
// danger
// Reinforce blockers blocking attackers with trample if life is
// still in danger
if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
@@ -861,19 +873,12 @@ public class ComputerUtilBlock {
combat = ComputerUtilBlock.reinforceBlockersToKill(ai, combat);
}
// == 3. If the AI life would be in serious danger make an even safer
// approach ==
if (ComputerUtilCombat.lifeInSeriousDanger(ai, combat)) {
combat = ComputerUtilBlock.resetBlockers(combat, possibleBlockers); // reset
// every
// block
// assignment
combat = ComputerUtilBlock.makeChumpBlocks(ai, combat); // choose chump
// blocks
// == 3. If the AI life would be in serious danger make an even safer approach ==
if (lifeInDanger && ComputerUtilCombat.lifeInSeriousDanger(ai, combat)) {
combat = ComputerUtilBlock.resetBlockers(combat, possibleBlockers); // reset every block assignment
combat = ComputerUtilBlock.makeChumpBlocks(ai, combat); // choose chump blocks
if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
combat = ComputerUtilBlock.makeTradeBlocks(ai, combat); // choose
// necessary
// trade
combat = ComputerUtilBlock.makeTradeBlocks(ai, combat); // choose necessary trade
}
if (!ComputerUtilCombat.lifeInDanger(ai, combat)) {