Add setting to enable mouse control by default

heli_entities.lua

@@ -50,7 +50,7 @@ minetest.register_entity("helicopter:heli", {
     hp_max = 50,
     color = "#0063b0",
     _passenger = nil,
-    _by_mouse = false,
+    _by_mouse = helicopter.turn_player_look,
 
     get_staticdata = function(self) -- unloaded/unloads ... is now saved
         return minetest.serialize({

settings.lua

@@ -1,6 +1,12 @@
 
 --- Determines handling of punched helicopter.
 --
--- If `false`, helicopter is destroyed. Otherwise, it is added to inventory.
---   - Default: false
+--  If `false`, helicopter is destroyed. Otherwise, it is added to inventory.
+--    - Default: false
 helicopter.pick_up = minetest.settings:get_bool("helicopter.pick_up", false)
+
+--- Determines default control of helicopter.
+--
+--  Use facing direction to turn instead of a/d keys by default.
+--    - Default: false
+helicopter.turn_player_look = minetest.settings:get_bool("mount_turn_player_look", false)

settingtypes.txt

@@ -2,3 +2,6 @@
 # If enabled, places helicopter in inventory instead of destroying it
 # when punched.
 helicopter.pick_up (Place in inventory) bool false
+
+# Use facing direction to turn instead of a/d keys by default.
+mount_turn_player_look (Turn with look direction) bool false