-Crash fix: When looking at random-teleport locations beyond 200000 y…

…ards.

playerbot/TravelMgr.cpp

@@ -2568,6 +2568,17 @@ vector<WorldPosition*> TravelMgr::getNextPoint(WorldPosition* center, vector<Wor
 
     std::transform(retVec.begin(), retVec.end(), std::back_inserter(weights), [center](WorldPosition* point) { return 200000 / (1 + point->distance(*center)); });
 
+    //If any weight is 0 add 1 to all weights.
+    for (auto& w : weights)
+    {
+        if (w > 0)
+            continue;
+
+        std::for_each(weights.begin(), weights.end(), [](uint32& d) { d += 1; });
+        break;
+
+    }
+
     std::mt19937 gen(time(0));
 
     weighted_shuffle(retVec.begin(), retVec.end(), weights.begin(), weights.end(), gen);

playerbot/TravelMgr.h

@@ -358,14 +358,6 @@ namespace ai
             , W first_weight, W last_weight
             , URBG&& g)
         {
-            //Only shuffle if there is atleast 1 non-zero value.
-            W check_weight = first_weight;
-            while (check_weight != last_weight && !*check_weight)
-                ++check_weight;
-
-            if (check_weight == last_weight)
-                return;
-
             while (first != last && first_weight != last_weight)
             {
                 std::discrete_distribution<int> dd(first_weight, last_weight);