mods/ENTITIES/mobs_mc/blaze.lua

@@ -11,6 +11,9 @@ local mod_target = minetest.get_modpath("mcl_target")
 --################### BLAZE
 --###################
 
+local function spawn_check(pos, environmental_light, artificial_light, sky_light)
+	return artificial_light <= 11
+end
 
 mcl_mobs.register_mob("mobs_mc:blaze", {
 	description = S("Blaze"),
@@ -137,6 +140,7 @@ mcl_mobs.register_mob("mobs_mc:blaze", {
 			},
 		})
 	end,
+	spawn_check = spawn_check,
 })
 
 mcl_mobs:spawn_specific(

mods/ENTITIES/mobs_mc/piglin.lua

@@ -219,6 +219,10 @@ mcl_mobs.register_mob("mobs_mc:sword_piglin", sword_piglin)
 -- Zombified Piglin --
 
 
+local function spawn_check(pos, environmental_light, artificial_light, sky_light)
+	return artificial_light <= 11
+end
+
 local zombified_piglin = {
 	description = S("Zombie Piglin"),
 	-- type="animal", passive=false: This combination is needed for a neutral mob which becomes hostile, if attacked
@@ -256,6 +260,7 @@ local zombified_piglin = {
 	},
 	jump = true,
 	makes_footstep_sound = true,
+	spawn_check = spawn_check,
 	walk_velocity = .8,
 	run_velocity = 2.6,
 	pathfinding = 1,

mods/ENTITIES/mobs_mc/silverfish.lua

@@ -4,6 +4,10 @@
 
 local S = minetest.get_translator("mobs_mc")
 
+local function spawn_check(pos, environmental_light, artificial_light, sky_light)
+	return artificial_light <= 11
+end
+
 mcl_mobs.register_mob("mobs_mc:silverfish", {
 	description = S("Silverfish"),
 	type = "monster",
@@ -53,6 +57,7 @@ mcl_mobs.register_mob("mobs_mc:silverfish", {
 	view_range = 16,
 	attack_type = "dogfight",
 	damage = 1,
+	spawn_check = spawn_check,
 })
 
 mcl_mobs.register_egg("mobs_mc:silverfish", S("Silverfish"), "#6d6d6d", "#313131", 0)