*Let creature search nearby target before enter evade mode

*Add function canStartAttack to reduce code in MoveInLineOfSight
*Fix a bug that cancelling bind sight auras may crash the server

--HG--
branch : trunk

1 files changed, 10 insertions, 0 deletions

diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 9a78c50857f..94f647cdd46 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -8542,6 +8542,9 @@ bool Unit::canAttack(Unit const* target) const
 {
     assert(target);
 
+    if(!IsHostileTo(target))
+        return false;
+
     if(!target->isAttackableByAOE() || target->hasUnitState(UNIT_STAT_DIED))
         return false;
 
@@ -9126,6 +9129,13 @@ bool Unit::SelectHostilTarget()
         }
     }
 
+    // search nearby enemy before enter evade mode
+    if(Unit *target = ((Creature*)this)->SelectNearestTarget())
+    {
+        ((Creature*)this)->AI()->AttackStart(target);
+        return true;
+    }
+
     // enter in evade mode in other case
     ((Creature*)this)->AI()->EnterEvadeMode();