fixed nil pointer issue

classes/spearhead_events.lua

@@ -1,9 +1,6 @@
 
 local SpearheadEvents = {}
 do
-    local SpearheadLogger = Spearhead.LoggerTemplate:new("Spearhead Events",
-        Spearhead.LoggerTemplate.LogLevelOptions.INFO)
-
     do -- STAGE NUMBER CHANGED
         local OnStageNumberChangedListeners = {}
         local OnStageNumberChangedHandlers = {}
@@ -48,18 +45,24 @@ do
         end
     end
 
+    local warn = function(text)
+        env.warn("[Spearhead][Events] " .. (text or "nil"))
+    end
+
+    local error = function(text)
+        env.error("[Spearhead][Events] " .. (text or "nil"))
+    end
+
     local onLandEventListeners = {}
     ---Add an event listener to a specific unit
     ---@param unitName string to call when the unit lands
     ---@param landListener table table with function OnUnitLanded(self, initiatorUnit, airbase)
     SpearheadEvents.addOnUnitLandEventListener = function(unitName, landListener)
         if type(landListener) ~= "table" then
-            SpearheadLogger:warn("Event handler not of type table/object")
+            warn("Event handler not of type table/object")
             return
         end
 
-        SpearheadLogger:debug("Added Land event handler for unit: " .. unitName)
-
         if onLandEventListeners[unitName] == nil then
             onLandEventListeners[unitName] = {}
         end
@@ -92,7 +95,7 @@ do
         ---@param handlingObject table object with OnGroupRTB(self, groupName)
         SpearheadEvents.addOnGroupRTBListener = function(groupName, handlingObject)
             if type(handlingObject) ~= "table" then
-                SpearheadLogger:warn("Event handler not of type table/object")
+                warn("Event handler not of type table/object")
                 return
             end
 
@@ -106,7 +109,6 @@ do
         ---Publish the Group to RTB
         ---@param groupName string
         SpearheadEvents.PublishRTB = function(groupName)
-            SpearheadLogger:debug("Publishing RTB event for group " .. groupName)
             if groupName ~= nil then
                 if OnGroupRTBListeners[groupName] then
                     for _, callable in pairs(OnGroupRTBListeners[groupName]) do
@@ -114,7 +116,7 @@ do
                             callable:OnGroupRTB(groupName)
                         end)
                         if err then
-                            SpearheadLogger:error(err)
+                            error(err)
                         end
                     end
                 end
@@ -128,7 +130,7 @@ do
         ---@param handlingObject table object with OnGroupRTBInTen(self, groupName)
         SpearheadEvents.addOnGroupRTBInTenListener = function(groupName, handlingObject)
             if type(handlingObject) ~= "table" then
-                SpearheadLogger:warn("Event handler not of type table/object")
+                warn("Event handler not of type table/object")
                 return
             end
 
@@ -142,7 +144,6 @@ do
         ---Publish the Group is RTB
         ---@param groupName string
         SpearheadEvents.PublishRTBInTen = function(groupName)
-            SpearheadLogger:debug("Publishing RTB in TEN event for group " .. groupName)
             if groupName ~= nil then
                 if OnGroupRTBInTenListeners[groupName] then
                     for _, callable in pairs(OnGroupRTBInTenListeners[groupName]) do
@@ -150,7 +151,7 @@ do
                             callable:OnGroupRTBInTen(groupName)
                         end)
                         if err then
-                            SpearheadLogger:error(err)
+                            error(err)
                         end
                     end
                 end
@@ -165,7 +166,7 @@ do
         ---@param groupName string the groupname to expect
         SpearheadEvents.addOnGroupOnStationListener = function(groupName, handlingObject)
             if type(handlingObject) ~= "table" then
-                SpearheadLogger:warn("Event handler not of type table/object")
+                warn("Event handler not of type table/object")
                 return
             end
 
@@ -179,7 +180,6 @@ do
         ---Publish the Group to RTB
         ---@param groupName string
         SpearheadEvents.PublishOnStation = function(groupName)
-            SpearheadLogger:debug("Publishing onStation event for group " .. groupName)
             if groupName ~= nil then
                 if OnGroupOnStationListeners[groupName] then
                     for _, callable in pairs(OnGroupOnStationListeners[groupName]) do
@@ -187,7 +187,7 @@ do
                             callable:OnGroupOnStation(groupName)
                         end)
                         if err then
-                            SpearheadLogger:error(err)
+                            error(err)
                         end
                     end
                 end
@@ -202,7 +202,7 @@ do
             ---@param listener table object with OnStatusRequestReceived(self, groupId)
             SpearheadEvents.AddOnStatusRequestReceivedListener = function(listener)
                 if type(listener) ~= "table" then
-                    SpearheadLogger:warn("Unit lost Event listener not of type table/object")
+                    warn("Unit lost Event listener not of type table/object")
                     return
                 end
 
@@ -234,7 +234,7 @@ do
         ---@param listener table object with OnPlayerEnterUnit(self, unit)
         SpearheadEvents.AddOnPlayerEnterUnitListener = function(listener)
             if type(listener) ~= "table" then
-                SpearheadLogger:warn("Unit lost Event listener not of type table/object")
+                warn("Unit lost Event listener not of type table/object")
                 return
             end
 
@@ -249,7 +249,7 @@ do
                             callable:OnPlayerEnterUnit(unit)
                         end)
                         if err then
-                            SpearheadLogger:error(err)
+                           error(err)
                         end
                     end
                 end
@@ -270,7 +270,7 @@ do
                             callable:OnUnitLanded(unit, airbase)
                         end)
                         if err then
-                            SpearheadLogger:error(err)
+                            error(err)
                         end
                     end
                 end
@@ -289,7 +289,7 @@ do
                     end)
 
                     if err then
-                        SpearheadLogger:error(err)
+                        error(err)
                     end
                 end
             end