Cleaned up the distribution logic.

src/ToSMapMgr.cpp

@@ -120,3 +120,14 @@ Creature* ToSMapManager::SpawnNPC(uint32 entry, Map* map, Position* position)
 
     return map->SummonCreature(entry, *position);
 }
+
+double ToSMapManager::LinearDistribution(double min, double max, double count, double index)
+{
+    double min = -4;
+    double max = 4;
+    double total = abs(min) + abs(max);
+
+    double amount = total / count;
+
+    return (min + (amount * index) + (amount / 2.0));
+}

src/ToSMapMgr.h

@@ -28,6 +28,7 @@ class ToSMapManager
     std::vector<ToSRewardTemplate>* GetRewardTemplates(uint32 rewardId);
     std::vector<uint32> GetSubGroups(uint32 groupId);
     Creature* SpawnNPC(uint32 entry, Map* map, Position* position);
+    double LinearDistribution(double min, double max, double count, double index);
 public:
     std::unordered_map<uint32, ToSWaveTemplate> WaveTemplates;
     std::unordered_map<uint32, ToSEnemyGroup> EnemyGroups;

src/scripts/ToSInstanceScript.cpp

@@ -71,20 +71,14 @@ void ToSInstanceScript::SpawnNextWave(ToSWaveTemplate* waveTemplate = nullptr)
     CleanupCreatures();
     ApplyCursesToPlayers();
 
-    double min = -4;
-    double max = 4;
-    double total = abs(min) + abs(max);
-
-    double count = enemies.size();
-    double amount = total / count;
-
     uint32 i = 0;
 
     for (auto it = enemies.begin(); it != enemies.end(); ++it)
     {
         auto enemy = (*it);
 
-        auto diff = (min + (amount * i) + (amount / 2.0));
+        auto diff = sToSMapMgr->LinearDistribution(-4, 4, enemies.size(), i);
+
         LOG_INFO("module", "Spawning at {}:{}", diff, combatantPosStart->GetPositionY() + diff);
         Position tempPos(combatantPosStart->GetPositionX(), combatantPosStart->GetPositionY() + diff, combatantPosStart->GetPositionZ(), combatantPosStart->GetOrientation());