From 6d1dc0f2b509f2e925698be20b023d2e4cfca7d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Rosen?= <jeremy.rosen@enst-bretagne.fr>
Date: Sat, 18 Mar 2006 13:17:59 +0000
Subject: [PATCH] prevent all AI from attacking twice with the same unit

---
 changelog  | 1 +
 src/ai.cpp | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/changelog b/changelog
index 56708f7bf25..b73201e58e6 100644
--- a/changelog
+++ b/changelog
@@ -160,6 +160,7 @@ SVN trunk (1.1.1+svn):
    * force a refresh after calls to ONSCREEN scrolls, to avoid refresh
      problems.
    * add sort_topics command to the WML of help
+   * check in ai code that ai doesn't use the same unit to attack twice
 
 Version 1.1.1:
  * campaigns
diff --git a/src/ai.cpp b/src/ai.cpp
index 7eeff0500d2..070223a8258 100644
--- a/src/ai.cpp
+++ b/src/ai.cpp
@@ -1006,6 +1006,10 @@ void ai_interface::attack_enemy(const location& u, const location& target, int w
 			LOG_STREAM(err, ai) << "attempt to attack unit that is turned to stone\n";
 			return;
 		}
+		if(!info_.units.find(u)->second.can_attack()) {
+			LOG_STREAM(err, ai) << "attempt to attack twice with the same unit\n";
+			return;
+		}
 
 		recorder.add_attack(u,target,weapon);