Add setting for mob-movement stop range

mods/ENTITIES/mcl_mobs/api.lua

@@ -18,7 +18,10 @@ local PATHFINDING = "gowp"
 -- Localize
 local S = minetest.get_translator("mcl_mobs")
 
+local mob_active_range = tonumber(minetest.settings:get("mcl_mob_active_range")) or 48
+
 local LOGGING_ON = minetest.settings:get_bool("mcl_logging_mobs_villager",false)
+
 local LOG_MODULE = "[Mobs]"
 local function mcl_log (message)
 	if LOGGING_ON and message then
@@ -216,7 +219,7 @@ end
 
 local function player_in_active_range(self)
 	for _,p in pairs(minetest.get_connected_players()) do
-		if vector.distance(self.object:get_pos(),p:get_pos()) <= 38 then return true end
+		if vector.distance(self.object:get_pos(),p:get_pos()) <= mob_active_range then return true end
 		-- slightly larger than the mc 32 since mobs spawn on that circle and easily stand still immediately right after spawning.
 	end
 end

settingtypes.txt

@@ -127,6 +127,11 @@ mcl_mob_cap_ambient (Mob cap ambient mobs) int 15 0 1024
 #Display mob icons in inventory instead of mc-like spawn eggs
 mcl_old_spawn_icons (Old spawn icons instead of eggs) bool false
 
+# How far from players should mobs stop moving
+# Larger values will have a larger performance impact (default:48)
+mcl_mob_active_range (Active mob range) int 48 0 256
+
+
 [Audio]
 # Enable flame sound.
 flame_sound (Flame sound) bool true