Big update.

src/ServerFacade.cpp

@@ -0,0 +1,72 @@
+/*
+ * 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 "ServerFacade.h"
+#include "Playerbots.h"
+#include "TargetedMovementGenerator.h"
+
+float ServerFacade::GetDistance2d(Unit* unit, WorldObject* wo)
+{
+    ASSERT_NOTNULL(unit);
+    ASSERT_NOTNULL(wo);
+
+    float dist = unit->GetDistance2d(wo);
+    return std::round(dist * 10.0f) / 10.0f;
+}
+
+float ServerFacade::GetDistance2d(Unit *unit, float x, float y)
+{
+    float dist = unit->GetDistance2d(x, y);
+    return std::round(dist * 10.0f) / 10.0f;
+}
+
+bool ServerFacade::IsDistanceLessThan(float dist1, float dist2)
+{
+    return dist1 - dist2 < sPlayerbotAIConfig->targetPosRecalcDistance;
+}
+
+bool ServerFacade::IsDistanceGreaterThan(float dist1, float dist2)
+{
+    return dist1 - dist2 > sPlayerbotAIConfig->targetPosRecalcDistance;
+}
+
+bool ServerFacade::IsDistanceGreaterOrEqualThan(float dist1, float dist2)
+{
+    return !IsDistanceLessThan(dist1, dist2);
+}
+
+bool ServerFacade::IsDistanceLessOrEqualThan(float dist1, float dist2)
+{
+    return !IsDistanceGreaterThan(dist1, dist2);
+}
+
+void ServerFacade::SetFacingTo(Player* bot, WorldObject* wo, bool force)
+{
+    float angle = bot->GetAngle(wo);
+    if (!force && bot->isMoving())
+        bot->SetFacingTo(bot->GetAngle(wo));
+    else
+    {
+        bot->SetOrientation(angle);
+        bot->SendMovementFlagUpdate();
+    }
+}
+
+Unit* ServerFacade::GetChaseTarget(Unit* target)
+{
+    MovementGenerator* movementGen = target->GetMotionMaster()->top();
+    if (movementGen && movementGen->GetMovementGeneratorType() == CHASE_MOTION_TYPE)
+    {
+        if (target->GetTypeId() == TYPEID_PLAYER)
+        {
+            return static_cast<ChaseMovementGenerator<Player> const*>(movementGen)->GetTarget();
+        }
+        else
+        {
+            return static_cast<ChaseMovementGenerator<Creature> const*>(movementGen)->GetTarget();
+        }
+    }
+
+    return nullptr;
+}