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- Improved useRemovalNow AI function.

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This commit is contained in:
Sloth
2015-09-30 11:51:15 +00:00
parent a6140c2aff
commit e94fd1b439
2 changed files with 64 additions and 26 deletions
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4
forge-ai/src/main/java/forge/ai/AiAttackController.java
View File

@@ -134,6 +134,10 @@ public class AiAttackController {
return defenders;
}
public void removeBlocker(Card blocker) {
this.oppList.remove(blocker);
}
/** Choose opponent for AI to attack here. Expand as necessary. */
private Player choosePreferredDefenderPlayer() {
Player defender = ai.getWeakestOpponent(); //Gets opponent with the least life

84
forge-ai/src/main/java/forge/ai/ComputerUtilCard.java
View File

@@ -822,8 +822,24 @@ public class ComputerUtilCard {
return true;
}
//interrupt 1:remove blocker to save my attacker
if (ph.is(PhaseType.COMBAT_DECLARE_BLOCKERS)) {
//interrupt 1: Check whether a possible blocker will be killed for the AI to make a bigger attack
if (ph.is(PhaseType.MAIN1) && ph.isPlayerTurn(ai) && c.isCreature()) {
AiAttackController aiAtk = new AiAttackController(ai);
final Combat combat = new Combat(ai);
aiAtk.removeBlocker(c);
aiAtk.declareAttackers(combat);
if (!combat.getAttackers().isEmpty()) {
AiAttackController aiAtk2 = new AiAttackController(ai);
final Combat combat2 = new Combat(ai);
aiAtk2.declareAttackers(combat2);
if (combat.getAttackers().size() > combat2.getAttackers().size()) {
return true;
}
}
}
// interrupt 2: remove blocker to save my attacker
if (ph.is(PhaseType.COMBAT_DECLARE_BLOCKERS) && !ph.isPlayerTurn(ai)) {
Combat currCombat = game.getCombat();
if (currCombat != null && !currCombat.getAllBlockers().isEmpty() && currCombat.getAllBlockers().contains(c)) {
for (Card attacker : currCombat.getAttackersBlockedBy(c)) {
@@ -846,6 +862,29 @@ public class ComputerUtilCard {
}
}
// interrupt 3: two for one = good
if (c.isEnchanted()) {
boolean myEnchants = false;
for (Card enc : c.getEnchantedBy(false)) {
if (enc.getOwner().equals(ai)) {
myEnchants = true;
break;
}
}
if (!myEnchants) {
return true; //card advantage > tempo
}
}
//interrupt 4: opponent pumping target (only works if the pump target is the chosen best target to begin with)
final MagicStack stack = game.getStack();
if (!stack.isEmpty()) {
final SpellAbility topStack = stack.peekAbility();
if (topStack.getActivatingPlayer().equals(opp) && c.equals(topStack.getTargetCard()) && topStack.isSpell()) {
return true;
}
}
//burn and curse spells
float valueBurn = 0;
if (dmg > 0) {
@@ -857,6 +896,9 @@ public class ComputerUtilCard {
if (sa.getTargetRestrictions().canTgtPlayer()) {
valueBurn /= 2; //preserve option to burn to the face
}
if (valueBurn >= 0.8 && ph.getPhase().isBefore(PhaseType.COMBAT_END)) {
return true;
}
}
//evaluate tempo gain
@@ -880,37 +922,29 @@ public class ComputerUtilCard {
if (c.isLand()) {
valueTempo += 0.5f / opp.getLandsInPlay().size(); //set back opponent's mana
}
if (c.isEnchanted()) {
boolean myEnchants = false;
for (Card enc : c.getEnchantedBy(false)) {
if (enc.getOwner().equals(ai)) {
myEnchants = true;
break;
}
}
if (!myEnchants) {
valueTempo += 1; //card advantage > tempo
}
}
if (!ph.isPlayerTurn(ai) && ph.getPhase().equals(PhaseType.END_OF_TURN)) {
valueTempo *= 2; //prefer to cast at opponent EOT
}
//interrupt 2:opponent pumping target (only works if the pump target is the chosen best target to begin with)
final MagicStack stack = ai.getGame().getStack();
if (!stack.isEmpty()) {
final SpellAbility topStack = stack.peekAbility();
if (topStack.getActivatingPlayer().equals(opp) && c.equals(topStack.getTargetCard()) && topStack.isSpell()) {
valueTempo += 1;
}
if (valueTempo >= 0.8 && ph.getPhase().isBefore(PhaseType.COMBAT_END)) {
return true;
}
//evaluate threat of targeted card
float threat = 0;
if (c.isCreature() && ai.getLife() > 0) {
Combat combat = ai.getGame().getCombat();
threat = 1.0f * ComputerUtilCombat.damageIfUnblocked(c, opp, combat, true) / ai.getLife();
if (c.isCreature()) {
// the base value for evaluate creature is 100
threat += (-1 + 1.0f * ComputerUtilCard.evaluateCreature(c) / 100) / costRemoval;
if (ai.getLife() > 0 && ComputerUtilCombat.canAttackNextTurn(c)) {
Combat combat = game.getCombat();
threat += 1.0f * ComputerUtilCombat.damageIfUnblocked(c, opp, combat, true) / ai.getLife();
//TODO:add threat from triggers and other abilities (ie. Master of Cruelties)
}
if (ph.isPlayerTurn(ai) && ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_BLOCKERS)) {
threat *= 0.1;
}
if (!ph.isPlayerTurn(ai) && ph.getPhase().isBefore(PhaseType.COMBAT_BEGIN)) {
threat *= 0.1;
}
} else {
for (final StaticAbility stAb : c.getStaticAbilities()) {
final Map<String, String> params = stAb.getMapParams();