From 12dc19e67c36bf03dfa10d0f63b0a8b30794680f Mon Sep 17 00:00:00 2001
From: Sloth <sloth@cardforge.org>
Date: Tue, 2 Oct 2012 19:36:19 +0000
Subject: [PATCH] - Improved isUsefulCurseKeyword for better AI use of Detain.

---
 .../abilityfactory/AbilityFactoryPump.java    | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java
index 57ba4000fad..bfdbb20e83c 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryPump.java
@@ -328,6 +328,24 @@ public class AbilityFactoryPump {
                     || ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_ATTACKERS)) {
                 return false;
             }
+        } else if (keyword.endsWith("CARDNAME can't attack or block.")) {
+            if (ph.isPlayerTurn(human)) {
+                if (!CombatUtil.canAttack(card)
+                        || (card.getNetCombatDamage() <= 0)
+                        || ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_ATTACKERS)) {
+                    return false;
+                }
+            } else {
+                if (ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_BLOCKERS)
+                        || ph.getPhase().isBefore(PhaseType.MAIN1)) {
+                    return false;
+                }
+
+                List<Card> attackers = CardListUtil.filter(AllZone.getComputerPlayer().getCardsIn(ZoneType.Battlefield), CardPredicates.possibleAttackers);
+                if (!CombatUtil.canBlockAtLeastOne(card, attackers)) {
+                    return false;
+                }
+            }
         } else if (keyword.endsWith("CARDNAME can't block.")) {
             if (ph.isPlayerTurn(human) || ph.getPhase().isAfter(PhaseType.COMBAT_DECLARE_BLOCKERS)
                     || ph.getPhase().isBefore(PhaseType.MAIN1)) {
@@ -365,6 +383,8 @@ public class AbilityFactoryPump {
             if (card.getShield() <= 0) {
                 return false;
             }
+        } else if (keyword.endsWith("CARDNAME's activated abilities can't be activated.")) {
+            return false; //too complex
         }
         return true;
     }