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- Somewhat more advanced land-for-land removal logic in DestroyAi.

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This commit is contained in:
Agetian
2017-06-05 16:56:09 +00:00
parent 7587e7a399
commit 989ce5fb4b
1 changed files with 34 additions and 11 deletions
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45
forge-ai/src/main/java/forge/ai/ability/DestroyAi.java
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@@ -63,17 +63,6 @@ public class DestroyAi extends SpellAbilityAi {
return false;
}
// Special logic not related to targeting
if ("LandForLand".equals(logic)) {
// Strip Mine and Wasteland
int numLandsInHand = CardLists.filter(ai.getCardsIn(ZoneType.Hand), CardPredicates.Presets.LANDS_PRODUCING_MANA).size();
int numLandsOTB = CardLists.filter(ai.getCardsIn(ZoneType.Battlefield), CardPredicates.Presets.LANDS_PRODUCING_MANA).size();
// TODO: improve this logic
boolean isViable = numLandsInHand > 0 && numLandsInHand + numLandsOTB > 2;
if (!isViable) { return false; }
}
// Targeting
if (abTgt != null) {
sa.resetTargets();
@@ -228,6 +217,13 @@ public class DestroyAi extends SpellAbilityAi {
}
else if (CardLists.getNotType(list, "Land").isEmpty()) {
choice = ComputerUtilCard.getBestLandAI(list);
if ("LandForLand".equals(logic)) {
// Strip Mine, Wasteland - cut short if the relevant logic fails
if (!doLandForLandRemovalLogic(sa, ai, choice)) {
return false;
}
}
}
else {
choice = ComputerUtilCard.getMostExpensivePermanentAI(list, sa, true);
@@ -402,4 +398,31 @@ public class DestroyAi extends SpellAbilityAi {
return true;
}
public boolean doLandForLandRemovalLogic(SpellAbility sa, Player ai, Card tgtLand) {
if (tgtLand == null) { return false; }
Player tgtPlayer = tgtLand.getController();
int oppLandsOTB = tgtPlayer.getLandsInPlay().size();
// if the opponent didn't play a land and has few lands OTB, might be worth mana-locking him
boolean oppSkippedLandDrop = tgtPlayer.getLandsPlayedThisTurn() == 0 && tgtPlayer.getLandsPlayedLastTurn() == 0;
boolean canManaLock = oppLandsOTB <= 3 && oppSkippedLandDrop;
// Best target is a basic land, and there's only one of it, so destroying it may potentially color-lock the opponent
CardCollection oppLands = tgtPlayer.getLandsInPlay();
boolean canColorLock = oppSkippedLandDrop && tgtLand.isBasicLand() && CardLists.filter(oppLands, CardPredicates.nameEquals(tgtLand.getName())).size() == 1;
// Non-basic lands are currently not ranked in any way in ComputerUtilCard#getBestLandAI, so if a non-basic land is best target,
// consider killing it off unless there's too much potential tempo loss.
// TODO: actually rank non-basics in that method and then kill off the potentially dangerous (manlands, Valakut) or lucrative
// (dual/triple mana that opens access to a certain color) lands
boolean nonBasicTgt = !tgtLand.isBasicLand();
// Try not to lose tempo too much and not to mana-screw yourself when considering this logic
int numLandsInHand = CardLists.filter(ai.getCardsIn(ZoneType.Hand), CardPredicates.Presets.LANDS_PRODUCING_MANA).size();
int numLandsOTB = CardLists.filter(ai.getCardsIn(ZoneType.Battlefield), CardPredicates.Presets.LANDS_PRODUCING_MANA).size();
boolean tempoCheck = numLandsOTB > 5 || (numLandsInHand > 0 && ((numLandsInHand + numLandsOTB > 2) || canManaLock || canColorLock || nonBasicTgt));
return tempoCheck;
}
}