Big update.

src/strategy/actions/VehicleActions.cpp

@@ -0,0 +1,66 @@
+/*
+ * 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 "VehicleActions.h"
+#include "ItemVisitors.h"
+#include "Playerbots.h"
+#include "ServerFacade.h"
+#include "Vehicle.h"
+
+bool EnterVehicleAction::Execute(Event event)
+{
+    // do not switch vehicles yet
+    if (bot->GetVehicle())
+        return false;
+
+    GuidVector npcs = AI_VALUE(GuidVector, "nearest vehicles");
+    for (GuidVector::iterator i = npcs.begin(); i != npcs.end(); i++)
+    {
+        Unit* vehicleBase = botAI->GetUnit(*i);
+        if (!vehicleBase)
+            return false;
+
+        if (!vehicleBase->IsFriendlyTo(bot))
+            return false;
+
+        if (!vehicleBase->GetVehicleKit()->GetAvailableSeatCount())
+            return false;
+
+        if (fabs(bot->GetPositionZ() - vehicleBase->GetPositionZ()) < 20.0f)
+
+        //if (sServerFacade->GetDistance2d(bot, vehicle) > 100.0f)
+        //    continue;
+
+        if (sServerFacade->GetDistance2d(bot, vehicleBase) > 10.0f)
+            return MoveTo(vehicleBase, INTERACTION_DISTANCE);
+
+        bot->EnterVehicle(vehicleBase);
+
+        if (!bot->IsOnVehicle(vehicleBase))
+            return false;
+
+        // dismount because bots can enter vehicle on mount
+        WorldPacket emptyPacket;
+        bot->GetSession()->HandleCancelMountAuraOpcode(emptyPacket);
+        return true;
+    }
+
+	return false;
+}
+
+bool LeaveVehicleAction::Execute(Event event)
+{
+    Vehicle* myVehicle = bot->GetVehicle();
+    if (!myVehicle)
+        return false;
+
+    VehicleSeatEntry const* seat = myVehicle->GetSeatForPassenger(bot);
+    if (!seat || !seat->CanEnterOrExit())
+        return false;
+
+    WorldPacket p;
+    bot->GetSession()->HandleRequestVehicleExit(p);
+
+    return true;
+}