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- Experimental: attempting to improve the AI choice for all-in assault for battlefield situations where the defender will have several, but not enough, defenders with evasion (e.g. Flying).

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- Currently only enabled for the Experimental AI profile for the testing period.
This commit is contained in:
Agetian
2017-08-21 17:07:46 +00:00
parent a0f640c739
commit 92b985d24d
7 changed files with 86 additions and 3 deletions
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58
forge-game/src/main/java/forge/game/combat/CombatUtil.java
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@@ -624,6 +624,30 @@ public class CombatUtil {
return canAttackerBeBlockedWithAmount(attacker, blocks, combat);
}
public static List<Card> getPotentialBestBlockers(final Card attacker, final List<Card> blockers, final Combat combat) {
List<Card> potentialBlockers = Lists.newArrayList();
if (blockers.isEmpty() || attacker == null) {
return potentialBlockers;
}
for (final Card blocker : blockers) {
if (CombatUtil.canBeBlocked(attacker, blocker.getController()) && CombatUtil.canBlock(attacker, blocker)) {
potentialBlockers.add(blocker);
}
}
int minBlockers = getMinNumBlockersForAttacker(attacker, blockers.get(0).getController());
CardLists.sortByPowerDesc(potentialBlockers);
List<Card> minBlockerList = Lists.newArrayList();
for (int i = 0; i < minBlockers && i < potentialBlockers.size(); i++) {
minBlockerList.add(potentialBlockers.get(i));
}
return minBlockerList;
}
/**
* <p>
* needsMoreBlockers.
@@ -1077,7 +1101,7 @@ public class CombatUtil {
if (defender != null) {
return amount >= defender.getCreaturesInPlay().size();
}
System.out.println("Warning: it was impossible to deduce the defending player in CombatUtil::canAttackerBeBlockedWithAmount, returning 'true' (safest default).");
System.out.println("Warning: it was impossible to deduce the defending player in CombatUtil#canAttackerBeBlockedWithAmount, returning 'true' (safest default).");
return true;
}
if (amount < defender.getCreaturesInPlay().size()) {
@@ -1088,4 +1112,36 @@ public class CombatUtil {
return true;
}
public static int getMinNumBlockersForAttacker(Card attacker, Player defender) {
List<String> restrictions = Lists.newArrayList();
for (String kw : attacker.getKeywords()) {
if (kw.startsWith("CantBeBlockedByAmount")) {
restrictions.add(TextUtil.split(kw, ' ', 2)[1]);
}
if (kw.equals("Menace")) {
restrictions.add("LT2");
}
}
int minBlockers = 1;
for ( String res : restrictions ) {
int operand = Integer.parseInt(res.substring(2));
String operator = res.substring(0, 2);
if (operator.equals("LT") || operator.equals("GE")) {
if (minBlockers < operand) {
minBlockers = operand;
}
} else if (operator.equals("LE") || operator.equals("GT") || operator.equals("EQ")) {
if (minBlockers < operand + 1) {
minBlockers = operand + 1;
}
}
}
if (attacker.hasKeyword("CARDNAME can't be blocked unless all creatures defending player controls block it.")) {
if (defender != null) {
minBlockers = defender.getCreaturesInPlay().size();
}
}
return minBlockers;
}
} // end class CombatUtil