Big update.

src/strategy/values/LeastHpTargetValue.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#include "LeastHpTargetValue.h"
+#include "AttackersValue.h"
+#include "Playerbots.h"
+
+class FindLeastHpTargetStrategy : public FindNonCcTargetStrategy
+{
+    public:
+        FindLeastHpTargetStrategy(PlayerbotAI* botAI) : FindNonCcTargetStrategy(botAI), minHealth(0) { }
+
+        void CheckAttacker(Unit* attacker, ThreatMgr* threatMgr) override
+        {
+            Player* bot = botAI->GetBot();
+            if (IsCcTarget(attacker))
+                return;
+
+            if (!result || result->GetHealth() > attacker->GetHealth())
+                result = attacker;
+        }
+
+    protected:
+        float minHealth;
+};
+
+Unit* LeastHpTargetValue::Calculate()
+{
+    FindLeastHpTargetStrategy strategy(botAI);
+    return FindTarget(&strategy);
+}