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- Attempted fix for the Token AI crashing when the AI is trying to decide which player/planeswalker to attack with a spawned token. Consider improving.

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This commit is contained in:
Agetian
2016-07-19 19:34:02 +00:00
parent 28f7df0933
commit 1acd48be9e
2 changed files with 19 additions and 5 deletions
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2
forge-ai/src/main/java/forge/ai/SpellAbilityAi.java
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@@ -244,7 +244,7 @@ public abstract class SpellAbilityAi {
}
protected Player chooseSinglePlayer(Player ai, SpellAbility sa, Iterable<Player> options) {
protected GameEntity chooseSinglePlayer(Player ai, SpellAbility sa, Iterable<Player> options) {
System.err.println("Warning: default (ie. inherited from base class) implementation of chooseSingleEntity is used for " + this.getClass().getName() + ". Consider declaring an overloaded method");
return Iterables.getFirst(options, null);
}

20
forge-ai/src/main/java/forge/ai/ability/TokenAi.java
View File

@@ -12,6 +12,7 @@ import forge.ai.ComputerUtilMana;
import forge.ai.SpellAbilityAi;
import forge.ai.SpellApiToAi;
import forge.game.Game;
import forge.game.GameEntity;
import forge.game.ability.AbilityFactory;
import forge.game.ability.AbilityUtils;
import forge.game.ability.ApiType;
@@ -308,14 +309,27 @@ public class TokenAi extends SpellAbilityAi {
* @see forge.card.ability.SpellAbilityAi#chooseSinglePlayer(forge.game.player.Player, forge.card.spellability.SpellAbility, Iterable<forge.game.player.Player> options)
*/
@Override
protected Player chooseSinglePlayer(Player ai, SpellAbility sa, Iterable<Player> options) {
protected GameEntity chooseSinglePlayer(Player ai, SpellAbility sa, Iterable<Player> options) {
// TODO: AILogic
Combat combat = ai.getGame().getCombat();
// TokenAttacking
if (combat != null && sa.hasParam("TokenAttacking")) {
// 1. If the card that spawned the token was sent at a planeswalker, attack the same planeswalker with the token. Consider improving.
GameEntity def = combat.getDefenderByAttacker(sa.getHostCard());
if (def != null && def instanceof Card) {
if (((Card)def).isPlaneswalker()) {
return def;
}
}
// 2. Otherwise, go through the list of options one by one, choose the first one that can't be blocked profitably.
Card attacker = spawnToken(ai, sa);
for (Player p : options) {
if (!ComputerUtilCard.canBeBlockedProfitably(p, attacker)) {
// TODO: this list potentially includes planeswalkers represented as Card objects. This may need further improvement
// (SpellAbilityAi::chooseSingleGameEntity normally expects the list of options to be of the same type).
for (GameEntity p : options) {
if (p instanceof Player && !ComputerUtilCard.canBeBlockedProfitably((Player)p, attacker)) {
return p;
}
if (p instanceof Card && !ComputerUtilCard.canBeBlockedProfitably(((Card)p).getController(), attacker)) {
return p;
}
}