From 9d4c2c5b1e30472de035e1a72806d07af88fec52 Mon Sep 17 00:00:00 2001
From: Discover- <amort11@hotmail.com>
Date: Wed, 7 Aug 2013 19:59:06 +0100
Subject: Core/SmartAI: Implement SMART_TARGET_CLOSEST_ENEMY (25)

Required for upcoming EAI to SAI conversion.

Closes #10482
---
 src/server/game/AI/SmartScripts/SmartScript.cpp    | 11 ++++++++++-
 src/server/game/AI/SmartScripts/SmartScriptMgr.cpp |  1 +
 src/server/game/AI/SmartScripts/SmartScriptMgr.h   |  8 +++++++-
 3 files changed, 18 insertions(+), 2 deletions(-)

(limited to 'src/server')

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 04940858062..1a445435d4e 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -1422,7 +1422,8 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
                 e.GetTargetType() == SMART_TARGET_CREATURE_DISTANCE || e.GetTargetType() == SMART_TARGET_GAMEOBJECT_RANGE ||
                 e.GetTargetType() == SMART_TARGET_GAMEOBJECT_GUID || e.GetTargetType() == SMART_TARGET_GAMEOBJECT_DISTANCE ||
                 e.GetTargetType() == SMART_TARGET_CLOSEST_CREATURE || e.GetTargetType() == SMART_TARGET_CLOSEST_GAMEOBJECT ||
-                e.GetTargetType() == SMART_TARGET_OWNER_OR_SUMMONER || e.GetTargetType() == SMART_TARGET_ACTION_INVOKER)
+                e.GetTargetType() == SMART_TARGET_OWNER_OR_SUMMONER || e.GetTargetType() == SMART_TARGET_ACTION_INVOKER ||
+                e.GetTargetType() == SMART_TARGET_CLOSEST_ENEMY)
             {
                 ObjectList* targets = GetTargets(e, unit);
                 if (!targets)
@@ -2485,6 +2486,14 @@ ObjectList* SmartScript::GetTargets(SmartScriptHolder const& e, Unit* invoker /*
             }
             break;
         }
+        case SMART_TARGET_CLOSEST_ENEMY:
+        {
+            if (me)
+                if (Unit* target = me->SelectNearestTarget(e.target.closestAttackable.maxDist))
+                    l->push_back(target);
+
+            break;
+        }
         case SMART_TARGET_POSITION:
         default:
             break;
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index 872808a7516..2fad3886535 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -300,6 +300,7 @@ bool SmartAIMgr::IsTargetValid(SmartScriptHolder const& e)
         case SMART_TARGET_THREAT_LIST:
         case SMART_TARGET_CLOSEST_GAMEOBJECT:
         case SMART_TARGET_CLOSEST_CREATURE:
+        case SMART_TARGET_CLOSEST_ENEMY:
         case SMART_TARGET_STORED:
             break;
         default:
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index 2fcee55ed14..d6ebfd3535f 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -992,7 +992,8 @@ enum SMARTAI_TARGETS
     SMART_TARGET_ACTION_INVOKER_VEHICLE         = 22,   // Unit's vehicle who caused this Event to occur
     SMART_TARGET_OWNER_OR_SUMMONER              = 23,   // Unit's owner or summoner
     SMART_TARGET_THREAT_LIST                    = 24,   // All units on creature's threat list
-    SMART_TARGET_END                            = 25
+    SMART_TARGET_CLOSEST_ENEMY                  = 25,   // maxDist
+    SMART_TARGET_END                            = 26
 };
 
 struct SmartTarget
@@ -1074,6 +1075,11 @@ struct SmartTarget
             uint32 dead;
         } closest;
 
+        struct
+        {
+            uint32 maxDist;
+        } closestAttackable;
+
         struct
         {
             uint32 param1;
-- 
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