get player units fixed

classes/spearhead_events.lua

@@ -302,13 +302,15 @@ do
 
         local function CheckAndTriggerSpawnAsync(unit, time)
             local function isPlayer(unit)
-
-                if unit and unit:isExist() then
-                    if Spearhead.DcsUtil.IsGroupStatic(unit:getName()) == true then
+                if unit == nil then return false, "unit is nil" end
+                if unit:isExist() ~= true then return false, "unit does not exist" end
+                local group = unit:getGroup()
+                if group ~= nil then
+                    if Spearhead.DcsUtil.IsGroupStatic(group:getName()) == true then
                         return false
                     end
 
-                    if AI_GROUPS[unit:getGroup():getName()] == true then
+                    if AI_GROUPS[group:getName()] == true then
                         return false
                     end
 
@@ -319,15 +321,15 @@ do
                             return true
                         end
                     end
-                    AI_GROUPS[unit:getGroup():getName()] = true
+                    AI_GROUPS[group:getName()] = true
                 end
-                return false
+                return false, "unit is nil or does not exist"
             end
 
-            if isPlayer(event.initiator) == true then
-                local groupId = event.initiator:getGroup():getID()
+            if isPlayer(unit) == true then
+                local groupId = unit:getGroup():getID()
                 SpearheadEvents.AddCommandsToGroup(groupId)
-                SpearheadEvents.TriggerPlayerEntersUnit(event.initiator)
+                SpearheadEvents.TriggerPlayerEntersUnit(unit)
             end
 
             return nil