Add /enderdebug command to study staring detection

mods/ENTITIES/mobs_mc/enderman.lua

@@ -26,6 +26,8 @@
 
 local S = minetest.get_translator("mobs_mc")
 
+local enderdebug = false
+
 local telesound = function(pos, is_source)
 	local snd
 	if is_source then
@@ -391,11 +393,18 @@ mcl_mobs:register_mob("mobs_mc:enderman", {
 						--if looking in general head position, turn hostile
 						if minetest.line_of_sight(ender_eye_pos, look_pos_base) and vector.distance(look_pos, ender_eye_pos) <= 0.4 then
 							self.provoked = "staring"
-							self.attack = minetest.get_player_by_name(obj:get_player_name())
+							if not enderdebug then 
+								self.attack = minetest.get_player_by_name(obj:get_player_name())
+							else
+								minetest.log("staring")
+							end
 							break
 						else -- I'm not sure what this part does, but I don't want to break anything - jordan4ibanez
 							if self.provoked == "staring" then
 								self.provoked = "broke_contact"
+								if enderdebug then
+									minetest.log("stopped staring")
+								end
 							end
 						end
 
@@ -778,3 +787,15 @@ mcl_vars.mg_nether_max)
 
 -- spawn eggs
 mcl_mobs:register_egg("mobs_mc:enderman", S("Enderman"), "mobs_mc_spawn_icon_enderman.png", 0)
+
+minetest.register_chatcommand("enderdebug",{
+	description = S("Toggle between enderman aggro behavior and just signal staring"),
+	privs = { debug = true },
+	func=function()
+		enderdebug = not enderdebug
+		if enderdebug then
+			return true, "Endermen will not attack"
+		end
+		return true, "Endermen back to normal"
+	end
+})