Make the function environment optional in global callbacks.

source/Core.cpp

@@ -525,6 +525,28 @@ void Core::CompilerErrorHandler(HSQUIRRELVM /*vm*/, CSStr desc, CSStr src, SQInt
     LogFtl("Message: %s\n[\n=>Location: %s\n=>Line: %d\n=>Column: %d\n]", desc, src, line, column);
 }
 
+// ------------------------------------------------------------------------------------------------
+void Core::BindEvent(Int32 id, Object & env, Function & func)
+{
+    // Obtain the function instance called for this event
+    Function & event = GetEvent(id);
+    // Is the specified callback function null?
+    if (func.IsNull())
+    {
+        event.Release(); // Then release the current callback
+    }
+    // Does this function need a custom environment?
+    else if (env.IsNull())
+    {
+        event = func;
+    }
+    // Assign the specified environment and function
+    else
+    {
+        event = Function(env.GetVM(), env, func.GetFunc());
+    }
+}
+
 // ------------------------------------------------------------------------------------------------
 Core::BlipInst::~BlipInst()
 {

source/CoreEntity.cpp

@@ -860,23 +860,6 @@ bool Core::DelVehicle(Int32 id, Int32 header, Object & payload)
     return true;
 }
 
-// ------------------------------------------------------------------------------------------------
-void Core::BindEvent(Int32 id, Object & env, Function & func)
-{
-    // Obtain the function instance called for this event
-    Function & event = GetEvent(id);
-    // Is the specified callback function null?
-    if (func.IsNull())
-    {
-        event.Release(); // Then release the current callback
-    }
-    // Assign the specified environment and function
-    else
-    {
-        event = Function(env.GetVM(), env, func.GetFunc());
-    }
-}
-
 // --------------------------------------------------------------------------------------------
 void Core::ConnectPlayer(Int32 id, Int32 header, Object & payload)
 {