Fix wither crash on certain version of Lua.

mods/ENTITIES/mcl_mobs/api.lua

@@ -24,11 +24,6 @@ local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= fa
 local mobs_debug = minetest.settings:get_bool("mobs_debug", false) -- Shows helpful debug info above each mob
 local spawn_logging = minetest.settings:get_bool("mcl_logging_mobs_spawn",true)
 
-local MAPGEN_LIMIT = mcl_vars.mapgen_limit
-local MAPGEN_MOB_LIMIT = MAPGEN_LIMIT - 90
--- 30927 seems to be the edge of the world, so could be closer, but this is safer
-
-
 -- Peaceful mode message so players will know there are no monsters
 if minetest.settings:get_bool("only_peaceful_mobs", false) then
 	minetest.register_on_joinplayer(function(player)
@@ -333,37 +328,12 @@ local function update_timers (self, dtime)
 	end
 end
 
-function mob_class:outside_limits()
-	local pos = self.object:get_pos()
-	if pos then
-		local posx = math.abs(pos.x)
-		local posy = math.abs(pos.y)
-		local posz = math.abs(pos.z)
-		if posx > MAPGEN_MOB_LIMIT or posy > MAPGEN_MOB_LIMIT or posz > MAPGEN_MOB_LIMIT then
-			--minetest.log("action", "Getting close to limits of worldgen: " .. minetest.pos_to_string(pos))
-			if posx > MAPGEN_LIMIT or posy > MAPGEN_LIMIT or posz > MAPGEN_LIMIT then
-				minetest.log("action", "Warning mob past limits of worldgen: " .. minetest.pos_to_string(pos))
-			else
-				if self.state ~= "stand" then
-					minetest.log("action", "Warning mob close to limits of worldgen: " .. minetest.pos_to_string(pos))
-					self.state = "stand"
-					self:set_animation("stand")
-					self.object:set_acceleration(vector.zero())
-					self.object:set_velocity(vector.zero())
-				end
-			end
-			return true
-		end
-	end
-end
-
 -- main mob function
 function mob_class:on_step(dtime)
 	local pos = self.object:get_pos()
 	if not pos then return end
 
 	if self:check_despawn(pos, dtime) then return true end
-	if self:outside_limits() then return end
 
 	if self:check_death_and_slow_mob() then
 		--minetest.log("action", "Mob is dying: ".. tostring(self.name))

mods/ENTITIES/mcl_mobs/effects.lua

@@ -298,7 +298,14 @@ local function who_are_you_looking_at (self)
 	elseif not self._locked_object then
 		if math.random(1, 30) then
 			--minetest.log("Change look check: ".. self.name)
-			local look_at_player_chance = math.random(20/self.curiosity)
+
+			-- For the wither this was 20/60=0.33, so probably need to rebalance and divide rates.
+			-- but frequency of check isn't good as it is costly. Making others too infrequent requires testing
+			local chance = 20/self.curiosity
+
+			if chance < 1 then chance = 1 end
+			local look_at_player_chance = math.random(chance)
+
 			-- was 5000 but called in loop based on entities. so div by 12 as estimate avg of entities found,
 			-- then div by 20 as less freq lookup
 

mods/ENTITIES/mobs_mc/villager.lua

@@ -172,7 +172,6 @@ local professions = {
 			{ { "mcl_mobitems:string", 15, 20 }, E1 },
 			{ E1, { "mcl_bows:arrow", 8, 12 } },
 			{ { "mcl_core:gravel", 10, 10, "mcl_core:emerald", 1, 1 }, { "mcl_core:flint", 6, 10 } },
-			{ { "mcl_core:stick", 32, 32 }, E1 },
 			},
 			{
 			{ { "mcl_core:flint", 26, 26 }, E1 },