Update mobs_mc and update gameconfig

This updates and fixes mob spawn height for new realms.
Also: Small zombie pigman size fixed.

mods/ENTITIES/mobs_mc/0_gameconfig.lua

@@ -249,8 +249,9 @@ mobs_mc.spawn = {
 	desert = { "default:desert_sand", "group:sand" },
 	jungle = { "default:dirt_with_rainforest_litter", "default:jungleleaves", "default:junglewood", "mcl_core:jungleleaves", "mcl_core:junglewood" },
 	snow = { "default:snow", "default:snowblock", "default:dirt_with_snow" },
-	end_city = { "default:cobble", "mcl_end:purpur_block", "mcl_end:end_stone", "mcl_portals:void"},
+	end_city = { "default:sandstonebrick", "mcl_end:purpur_block", "mcl_end:end_stone" },
 	wolf = { mobs_mc.items.grass_block, "default:dirt_with_rainforest_litter", "default:dirt", "default:dirt_with_snow", "default:snow", "default:snowblock" },
+	village = { "mg_villages:road" },
 
 	-- These probably don't need overrides
 	mushroom_island = { mobs_mc.items.mycelium, "mcl_core:mycelium" },
@@ -260,13 +261,31 @@ mobs_mc.spawn = {
 	water = { mobs_mc.items.water_source, "mcl_core:water_source", "default:water_source" },
 }
 
+-- This table contains important spawn height references for the mob spawn height.
+-- Please base your mob spawn height on these numbers to keep things clean.
+mobs_mc.spawn_height = {
+	water = tonumber(minetest.setting_get("water_level")) or 0, -- Water level in the Overworld
+
+	-- Overworld boundaries (inclusive)
+	overworld_min = -2999,
+	overworld_max = 31000,
+
+	-- Nether boundaries (inclusive)
+	nether_min = -3369,
+	nether_max = -3000,
+
+	-- End boundaries (inclusive)
+	end_min = -6200,
+	end_max = -6000,
+}
+
 mobs_mc.misc = {
 	shears_wear = 276, -- Wear to add per shears usage (238 uses)
 }
 
 -- Item name overrides from mobs_mc_gameconfig (if present)
 if minetest.get_modpath("mobs_mc_gameconfig") and mobs_mc.override then
-	local tables = {"items", "follow", "replace", "spawn", "misc"}
+	local tables = {"items", "follow", "replace", "spawn", "spawn_height", "misc"}
 	for t=1, #tables do
 		local tbl = tables[t]
 		if mobs_mc.override[tbl] then

mods/ENTITIES/mobs_mc/bat.lua

@@ -54,7 +54,7 @@ else
 end
 
 -- Spawn on solid blocks at or below Sea level and the selected light level
-mobs:spawn_specific("mobs_mc:bat", mobs_mc.spawn.solid,{"air"},0, maxlight, 20, 5000, 2, -500, 0)
+mobs:spawn_specific("mobs_mc:bat", mobs_mc.spawn.solid, {"air"}, 0, maxlight, 20, 5000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.water-1)
 
 
 -- spawn eggs

mods/ENTITIES/mobs_mc/blaze.lua

@@ -71,7 +71,7 @@ mobs:register_mob("mobs_mc:blaze", {
 	blood_amount = 0,
 })
 
-mobs:register_spawn("mobs_mc:blaze", mobs_mc.spawn.nether_fortress, minetest.LIGHT_MAX+1, 0, 5000, 1, -1000, true)
+mobs:spawn_specific("mobs_mc:blaze", mobs_mc.spawn.nether_fortress, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 5000, 3, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
 
 -- Blaze fireball
 mobs:register_arrow("mobs_mc:blaze_fireball", {

mods/ENTITIES/mobs_mc/chicken.lua

@@ -95,7 +95,7 @@ mobs:register_mob("mobs_mc:chicken", {
 })
 
 --spawn
-mobs:register_spawn("mobs_mc:chicken", mobs_mc.spawn.grassland, minetest.LIGHT_MAX+1, 9, 17000, 3, 31000)
+mobs:spawn_specific("mobs_mc:chicken", mobs_mc.spawn.grassland, {"air"}, 9, minetest.LIGHT_MAX+1, 30, 17000, 3, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:chicken", S("Chicken"), "mobs_mc_spawn_icon_chicken.png", 0)

mods/ENTITIES/mobs_mc/cow+mooshroom.lua

@@ -134,9 +134,8 @@ mobs:register_mob("mobs_mc:mooshroom", mooshroom_def)
 
 
 -- Spawning
-mobs:register_spawn("mobs_mc:cow", mobs_mc.spawn.grassland, minetest.LIGHT_MAX+1, 9, 17000, 20, 31000)
+mobs:spawn_specific("mobs_mc:cow", mobs_mc.spawn.grassland, {"air"}, 9, minetest.LIGHT_MAX+1, 30, 17000, 20, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-mobs:register_spawn("mobs_mc:mooshroom", mobs_mc.spawn.mushroom_island, minetest.LIGHT_MAX+1, 9, 17000, 10, 31000)
+mobs:spawn_specific("mobs_mc:mooshroom", mobs_mc.spawn.mushroom_island, {"air"}, 9, minetest.LIGHT_MAX+1, 30, 17000, 10, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-
 
 -- compatibility
 mobs:alias_mob("mobs_animal:cow", "mobs_mc:cow")

mods/ENTITIES/mobs_mc/creeper.lua

@@ -122,7 +122,7 @@ mobs:register_mob("mobs_mc:creeper", {
 })
 
 
-mobs:spawn_specific("mobs_mc:creeper", mobs_mc.spawn.solid, {"air"},0, 7, 20, 16500, 1, -310, 31000)
+mobs:spawn_specific("mobs_mc:creeper", mobs_mc.spawn.solid, {"air"}, 0, 7, 20, 16500, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
 
 -- compatibility
 mobs:alias_mob("mobs:creeper", "mobs_mc:creeper")

mods/ENTITIES/mobs_mc/enderman.lua

@@ -146,12 +146,13 @@ mobs:register_mob("mobs_mc:enderman", {
 })
 
 
+-- End spawn
+mobs:spawn_specific("mobs_mc:enderman", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 3000, 4, mobs_mc.spawn_height.end_min, mobs_mc.spawn_height.end_max)
+-- Overworld spawn
+mobs:spawn_specific("mobs_mc:enderman", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 9000, 4, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
+-- Nether spawn (rare)
+mobs:spawn_specific("mobs_mc:enderman", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 27500, 4, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
 
---spawn on solid blocks
-mobs:register_spawn("mobs_mc:enderman", mobs_mc.spawn.desert, 7, 0, 9000, -31000, 31000)
---mobs:register_spawn("mobs_mc:enderman", mobs_mc.end_city, minetest.LIGHT_MAX+1, 0, 9000, -31000, -5000)
-mobs:spawn_specific("mobs_mc:enderman",  "mcl_end:end_stone", {"air"}, 0, minetest.LIGHT_MAX+1, 5, 20, 2, -31000, -5000)
-mobs:spawn_specific("mobs_mc:enderman",  "mcl_end:end_stone", {"mcl_portals:void"}, 0, minetest.LIGHT_MAX+1, 5, 20, 2, -31000, -5000)
 -- spawn eggs
 mobs:register_egg("mobs_mc:enderman", S("Enderman"), "mobs_mc_spawn_icon_enderman.png", 0)
 

mods/ENTITIES/mobs_mc/ghast.lua

@@ -77,8 +77,8 @@ mobs:register_mob("mobs_mc:ghast", {
 })
 
 
---mobs:register_spawn("mobs_mc:ghast", {"default:flowing_lava", "nether:rack","air"}, 17, -1, 5000, 1, -2000)
+mobs:spawn_specific("mobs_mc:ghast", mobs_mc.spawn.nether, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 18000, 2, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
-mobs:spawn_specific("mobs_mc:ghast", mobs_mc.spawn.nether, {"air"},0, minetest.LIGHT_MAX+1, 0, 18000, 2, -3610, -2100)
+
 -- fireball (weapon)
 mobs:register_arrow(":mobs_monster:fireball", {
 	visual = "sprite",

mods/ENTITIES/mobs_mc/guardian.lua

@@ -81,7 +81,7 @@ mobs:register_mob("mobs_mc:guardian", {
 	blood_amount = 0,
 })
 
-mobs:register_spawn("mobs_mc:guardian", mobs_mc.spawn.water, minetest.LIGHT_MAX+1, 0, 5000, 2, -1000, true)
+mobs:spawn_specific("mobs_mc:guardian", mobs_mc.spawn.water, mobs_mc.spawn_water, 0, minetest.LIGHT_MAX+1, 30, 25000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.water - 10)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:guardian", S("Guardian"), "mobs_mc_spawn_icon_guardian.png", 0)

mods/ENTITIES/mobs_mc/guardian_elder.lua

@@ -86,7 +86,7 @@ mobs:register_mob("mobs_mc:guardian_elder", {
 	blood_amount = 0,
 })
 
-mobs:register_spawn("mobs_mc:guardian_elder", mobs_mc.spawn.water, minetest.LIGHT_MAX+1, 0, 5000, 2, -1000, true)
+mobs:spawn_specific("mobs_mc:guardian_elder", mobs_mc.spawn.water, mobs_mc.spawn_water, 0, minetest.LIGHT_MAX+1, 30, 40000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.water-18)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:guardian_elder", S("Elder Guardian"), "mobs_mc_spawn_icon_guardian_elder.png", 0)

mods/ENTITIES/mobs_mc/horse.lua

@@ -330,9 +330,8 @@ mobs:register_mob("mobs_mc:mule", mule)
 
 --===========================
 --Spawn Function
-mobs:register_spawn("mobs_mc:horse", mobs_mc.spawn.grassland_savanna, minetest.LIGHT_MAX+1, 0, 15000, 12, 31000)
+mobs:spawn_specific("mobs_mc:horse", mobs_mc.spawn.grassland_savanna, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 12, mobs_mc.spawn_height.water+3, mobs_mc.spawn_height.overworld_max)
-mobs:register_spawn("mobs_mc:donkey", mobs_mc.spawn.grassland_savanna, minetest.LIGHT_MAX+1, 0, 15000, 12, 31000)
+mobs:spawn_specific("mobs_mc:donkey", mobs_mc.spawn.grassland_savanna, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 12, mobs_mc.spawn_height.water+3, mobs_mc.spawn_height.overworld_max)
-
 
 -- compatibility
 mobs:alias_mob("mobs:horse", "mobs_mc:horse")

mods/ENTITIES/mobs_mc/llama.lua

@@ -139,7 +139,7 @@ mobs:register_mob("mobs_mc:llama", {
 })
 
 --spawn
-mobs:register_spawn("mobs_mc:llama", mobs_mc.spawn.savanna, minetest.LIGHT_MAX+1, 0, 15000, 1, 40)
+mobs:spawn_specific("mobs_mc:llama", mobs_mc.spawn.savanna, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 5, mobs_mc.spawn_height.water+15, mobs_mc.spawn_height.overworld_max)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:llama", S("Llama"), "mobs_mc_spawn_icon_llama.png", 0)

mods/ENTITIES/mobs_mc/ocelot.lua

@@ -140,12 +140,13 @@ local base_spawn_chance = 5000
 mobs:spawn({
 	name = "mobs_mc:ocelot",
 	nodes = mobs_mc.spawn.jungle,
+	neighbors = {"air"},
 	light_max = minetest.LIGHT_MAX+1,
 	light_min = 0,
 	chance = math.ceil(base_spawn_chance * 1.5), -- emulates 1/3 spawn failure rate
 	active_object_count = 12,
-	min_height = 1, -- Right above ocean level
+	min_height = mobs_mc.spawn_height.water+1, -- Right above ocean level
-	max_height = 31000,
+	max_height = mobs_mc.spawn_height.overworld_max,
 	on_spawn = function(self, pos)
 		--[[ Note: Minecraft has a 1/3 spawn failure rate.
 		In this mod it is emulated by reducing the spawn rate accordingly (see above). ]]

mods/ENTITIES/mobs_mc/parrot.lua

@@ -89,7 +89,7 @@ mobs:register_mob("mobs_mc:parrot", {
 
 --spawn
 -- TODO: Increase spawn chance if polished
-mobs:spawn_specific("mobs_mc:parrot", mobs_mc.spawn.jungle, {"air"}, 0, minetest.LIGHT_MAX+1, 20, 20000, 2, 15, 20)
+--mobs:spawn_specific("mobs_mc:parrot", mobs_mc.spawn.jungle, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 30000, 1, mobs_mc.spawn_height.water+1, mobs_mc.spawn_height.overworld_max)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:parrot", S("Parrot"), "mobs_mc_spawn_icon_parrot.png", 0)

mods/ENTITIES/mobs_mc/pig.lua

@@ -168,7 +168,7 @@ mobs:register_mob("mobs_mc:pig", {
 	end,
 })
 
-mobs:register_spawn("mobs_mc:pig", mobs_mc.spawn.grassland, minetest.LIGHT_MAX+1, 9, 15000, 30, 31000)
+mobs:spawn_specific("mobs_mc:pig", mobs_mc.spawn.grassland, {"air"}, 9, minetest.LIGHT_MAX+1, 30, 15000, 30, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
 
 -- compatibility
 mobs:alias_mob("mobs:pig", "mobs_mc:pig")

mods/ENTITIES/mobs_mc/polar_bear.lua

@@ -69,13 +69,9 @@ mobs:register_mob("mobs_mc:polar_bear", {
 mobs:alias_mob("mobs_mc:polarbear", "mobs_mc:polar_bear")
 
 
-mobs:register_spawn("mobs_mc:polar_bear", mobs_mc.spawn.snow, minetest.LIGHT_MAX+1, 0, 7000, 3, 31000)
+mobs:spawn_specific("mobs_mc:polar_bear", mobs_mc.spawn.snow, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 7000, 3, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-
 
 -- spawn egg
-
-
-
 mobs:register_egg("mobs_mc:polar_bear", S("Polar Bear"), "mobs_mc_spawn_icon_polarbear.png", 0)
 
 

mods/ENTITIES/mobs_mc/rabbit.lua

@@ -104,10 +104,13 @@ mobs:register_mob("mobs_mc:killer_bunny", killer_bunny)
 
 local spawn = {
 	name = "mobs_mc:rabbit",
+	neighbors = {"air"},
 	chance = 15000,
 	active_object_count = 99,
 	min_light = 0,
 	max_light = minetest.LIGHT_MAX+1,
+	min_height = mobs_mc.spawn_height.overworld_min,
+	max_height = mobs_mc.spawn_height.overworld_max,
 }
 
 local spawn_desert = table.copy(spawn)

mods/ENTITIES/mobs_mc/sheep.lua

@@ -202,7 +202,7 @@ mobs:register_mob("mobs_mc:sheep", {
 		if mobs:capture_mob(self, clicker, 0, 5, 70, false, nil) then return end
 	end,
 })
-mobs:register_spawn("mobs_mc:sheep", mobs_mc.spawn.grassland, minetest.LIGHT_MAX+1, 0, 15000, 3, 31000)
+mobs:spawn_specific("mobs_mc:sheep", mobs_mc.spawn.grassland, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 3, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
 
 -- compatibility
 mobs:alias_mob("mobs_animal:sheep", "mobs_mc:sheep")

mods/ENTITIES/mobs_mc/shulker.lua

@@ -83,12 +83,7 @@ mobs:register_arrow("mobs_mc:shulkerbullet", {
 
 mobs:register_egg("mobs_mc:shulker", S("Shulker"), "mobs_mc_spawn_icon_shulker.png", 0)
 
---mobs:spawn_specific("mobs_mc:shulker", mobs_mc.spawn.end_city, 0, minetest.LIGHT_MAX+1, 5, 3, 1, -31000, -5000)
+mobs:spawn_specific("mobs_mc:shulker",  "mcl_end:purpur_block", {"air"}, 0, minetest.LIGHT_MAX+1, 30, 5000, 2, mobs_mc.spawn_height.end_min, mobs_mc.spawn_height.end_max)
-mobs:spawn_specific("mobs_mc:shulker",  "mcl_end:purpur_block", {"air"}, 0, minetest.LIGHT_MAX+1, 5, 20, 2, -31000, -5000)
-mobs:spawn_specific("mobs_mc:shulker",  "mcl_end:purpur_block", {"mcl_portals:void"}, 0, minetest.LIGHT_MAX+1, 5, 20, 2, -31000, -5000)
-
-
-
 
 if minetest.settings:get_bool("log_mods") then
 	minetest.log("action", "MC Shulkers loaded")

mods/ENTITIES/mobs_mc/skeleton+stray.lua

@@ -122,10 +122,15 @@ mobs:register_mob("mobs_mc:stray", stray)
 -- compatibility
 mobs:alias_mob("mobs:skeleton", "mobs_mc:skeleton")
 
---spawn
+-- Overworld spawn
-mobs:spawn_specific("mobs_mc:skeleton", mobs_mc.spawn.solid,{"air"}, 0, 7, 20, 17000, 2, -110, 31000)
+mobs:spawn_specific("mobs_mc:skeleton", mobs_mc.spawn.solid, {"air"}, 0, 7, 20, 17000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
+-- Nether spawn
+mobs:spawn_specific("mobs_mc:skeleton", mobs_mc.spawn.nether_fortress, {"air"}, 0, 7, 30, 10000, 3, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
+
+-- Stray spawn
 -- TODO: Spawn directly under the sky
-mobs:spawn_specific("mobs_mc:stray", mobs_mc.spawn.snow, {"air"}, 0, 7, 20, 19000, 2, -110, 31000)
+mobs:spawn_specific("mobs_mc:stray", mobs_mc.spawn.snow, {"air"}, 0, 7, 20, 19000, 2, mobs_mc.spawn_height.water, mobs_mc.spawn_height.overworld_max)
+
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:skeleton", S("Skeleton"), "mobs_mc_spawn_icon_skeleton.png", 0)

mods/ENTITIES/mobs_mc/skeleton_wither.lua

@@ -94,7 +94,8 @@ mobs:register_mob("mobs_mc:witherskeleton", {
 })
 
 --spawn
-mobs:register_spawn("mobs_mc:witherskeleton", mobs_mc.spawn.nether_fortress, 7, 0, 5000, 3, -3000, true)
+mobs:spawn_specific("mobs_mc:witherskeleton", mobs_mc.spawn.nether_fortress, {"air"}, 0, 7, 30, 5000, 5, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
+
 -- spawn eggs
 mobs:register_egg("mobs_mc:witherskeleton", S("Wither Skeleton"), "mobs_mc_spawn_icon_witherskeleton.png", 0)
 

mods/ENTITIES/mobs_mc/slime+magma_cube.lua

@@ -118,11 +118,12 @@ slime_tiny.on_die = nil
 
 mobs:register_mob("mobs_mc:slime_tiny", slime_tiny)
 
+local smin = mobs_mc.spawn_height.overworld_min
+local smax = mobs_mc.spawn_height.water - 23
 
-mobs:register_spawn("mobs_mc:slime_tiny", mobs_mc.spawn.solid, minetest.LIGHT_MAX+1, 0, 35000, 4, -12)
+mobs:spawn_specific("mobs_mc:slime_tiny", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 12000, 4, smin, smax)
-mobs:register_spawn("mobs_mc:slime_small", mobs_mc.spawn.solid, minetest.LIGHT_MAX+1, 0, 35000, 4, -12)
+mobs:spawn_specific("mobs_mc:slime_small", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 8500, 4, smin, smax)
-mobs:register_spawn("mobs_mc:slime_big", mobs_mc.spawn.solid, minetest.LIGHT_MAX+1, 0, 35000, 4, -12)
+mobs:spawn_specific("mobs_mc:slime_big", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 10000, 4, smin, smax)
-
 
 -- Magma cube
 local magma_cube_big = {
@@ -240,14 +241,17 @@ magma_cube_tiny.on_die = nil
 mobs:register_mob("mobs_mc:magma_cube_tiny", magma_cube_tiny)
 
 
+local mmin = mobs_mc.spawn_height.nether_min
+local mmax = mobs_mc.spawn_height.nether_max
 
-mobs:register_spawn("mobs_mc:magma_cube_tiny", mobs_mc.spawn.nether, minetest.LIGHT_MAX+1, 0, 15000, 4, -1000)
+mobs:spawn_specific("mobs_mc:magma_cube_tiny", mobs_mc.spawn.nether, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 4, mmin, mmax)
-mobs:register_spawn("mobs_mc:magma_cube_small", mobs_mc.spawn.nether, minetest.LIGHT_MAX+1, 0, 15500, 4, -1000)
+mobs:spawn_specific("mobs_mc:magma_cube_small", mobs_mc.spawn.nether, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15500, 4, mmin, mmax)
-mobs:register_spawn("mobs_mc:magma_cube_big", mobs_mc.spawn.nether, minetest.LIGHT_MAX+1, 0, 16000, 4, -1000)
+mobs:spawn_specific("mobs_mc:magma_cube_big", mobs_mc.spawn.nether, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 16000, 4, mmin, mmax)
+
+mobs:spawn_specific("mobs_mc:magma_cube_tiny", mobs_mc.spawn.nether_fortress, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 11000, 4, mmin, mmax)
+mobs:spawn_specific("mobs_mc:magma_cube_small", mobs_mc.spawn.nether_fortress, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 11100, 4, mmin, mmax)
+mobs:spawn_specific("mobs_mc:magma_cube_big", mobs_mc.spawn.nether_fortress, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 11200, 4, mmin, mmax)
 
-mobs:register_spawn("mobs_mc:magma_cube_tiny", mobs_mc.spawn.nether_fortress, minetest.LIGHT_MAX+1, 0, 11000, 4, -1000)
-mobs:register_spawn("mobs_mc:magma_cube_small", mobs_mc.spawn.nether_fortress, minetest.LIGHT_MAX+1, 0, 11100, 4, -1000)
-mobs:register_spawn("mobs_mc:magma_cube_big", mobs_mc.spawn.nether_fortress, minetest.LIGHT_MAX+1, 0, 11200, 4, -1000)
 
 -- Compability
 mobs:alias_mob("mobs_mc:greensmall", "mobs_mc:slime_tiny")

mods/ENTITIES/mobs_mc/spider.lua

@@ -77,8 +77,7 @@ cave_spider.walk_velocity = 4.1
 mobs:register_mob("mobs_mc:cave_spider", cave_spider)
 
 
-mobs:register_spawn("mobs_mc:spider", mobs_mc.spawn.solid, 7, 0, 19500, 2, 3000)
+mobs:spawn_specific("mobs_mc:spider", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 17000, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-
 
 -- compatibility
 mobs:alias_mob("mobs:spider", "mobs_mc:spider")

mods/ENTITIES/mobs_mc/squid.lua

@@ -60,7 +60,7 @@ mobs:register_mob("mobs_mc:squid", {
 
 -- Spawn near the water surface
 
-local water = tonumber(minetest.settings:get("water_level")) or 0
+local water = mobs_mc.spawn_height.water
 --name, nodes, neighbours, minlight, maxlight, interval, chance, active_object_count, min_height, max_height
 mobs:spawn_specific("mobs_mc:squid", mobs_mc.spawn.water, {mobs_mc.items.water_source}, 0, minetest.LIGHT_MAX+1, 30, 5500, 3, water-16, water)
 

mods/ENTITIES/mobs_mc/villager.lua

@@ -168,8 +168,7 @@ mobs:register_mob("mobs_mc:villager", {
 	]]
 })
 
---mobs:register_spawn("mobs_mc:villager", {"default:gravel"},  7, -1, 4090, 4, 31000)
+mobs:spawn_specific("mobs_mc:villager", mobs_mc.spawn.village, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 8000, 4, mobs_mc.spawn_height.water+1, mobs_mc.spawn_height.overworld_max)
-mobs:register_spawn("mobs_mc:villager", {"mg_villages:road"}, minetest.LIGHT_MAX+1, -1,8000, 4, 31000)
 
 -- compatibility
 mobs:alias_mob("mobs:villager", "mobs_mc:villager")

mods/ENTITIES/mobs_mc/villager_zombie.lua

@@ -83,11 +83,8 @@ mobs:register_mob("mobs_mc:villager_zombie", {
 	fear_height = 5,
 
 })
---mobs:register_spawn("mobs_mc:villager", {"default:gravel"},  7, -1, 4090, 4, 31000)
-mobs:register_spawn("mobs_mc:villager_zombie", {"mg_villages:road"}, 7, -1, 4090, 4, 31000)
-
-
 
+mobs:spawn_specific("mobs_mc:villager_zombie", mobs_mc.spawn.village, {"air"}, 0, 7, 30, 4090, 4, mobs_mc.spawn_height.water+1, mobs_mc.spawn_height.overworld_max)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:villager_zombie", S("Zombie Villager"), "mobs_mc_spawn_icon_zombie_villager.png", 0)

mods/ENTITIES/mobs_mc/witch.lua

@@ -110,7 +110,7 @@ mobs:register_arrow(":mobs:potion_arrow", {
 })
 
 -- TODO: Spawn when witch works properly
---mobs:spawn_specific("mobs_mc:witch", mobs_mc.spawn.jungle, {"air"}, 0, minetest.LIGHT_MAX-6, 12, 20000, 2, 1, 30)
+--mobs:spawn_specific("mobs_mc:witch", mobs_mc.spawn.jungle, {"air"}, 0, minetest.LIGHT_MAX-6, 12, 20000, 2, mobs_mc.spawn_height.water-6, mobs_mc.spawn_height.overworld_max)
 
 -- spawn eggs
 mobs:register_egg("mobs_mc:witch", S("Witch"), "mobs_mc_spawn_icon_witch.png", 0)

mods/ENTITIES/mobs_mc/wolf.lua

@@ -207,7 +207,7 @@ end
 mobs:register_mob("mobs_mc:dog", dog)
 
 -- Spawn
-mobs:register_spawn("mobs_mc:wolf", mobs_mc.spawn.wolf, minetest.LIGHT_MAX+1, 0, 9000, 20, 31000)
+mobs:spawn_specific("mobs_mc:wolf", mobs_mc.spawn.wolf, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 9000, 20, mobs_mc.spawn_height.water+3, mobs_mc.spawn_height.overworld_max)
 
 -- Compatibility
 mobs:alias_mob("mobs:wolf", "mobs_mc:wolf")

mods/ENTITIES/mobs_mc/zombie.lua

@@ -122,12 +122,11 @@ mobs:register_mob("mobs_mc:baby_husk", baby_husk)
 
 -- Spawning
 
-mobs:register_spawn("mobs_mc:zombie", mobs_mc.spawn.solid, 7, 0, 6000, 4, 31000)
+mobs:spawn_specific("mobs_mc:zombie", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 6000, 4, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
 -- Baby zombie is 20 times less likely than regular zombies
-mobs:register_spawn("mobs_mc:baby_zombie", mobs_mc.spawn.solid, 7, 0, 60000, 4, 31000)
+mobs:spawn_specific("mobs_mc:baby_zombie", mobs_mc.spawn.solid, {"air"}, 0, 7, 30, 60000, 4, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-mobs:register_spawn("mobs_mc:husk", mobs_mc.spawn.desert, 7, 0, 6500, 4, 31000)
+mobs:spawn_specific("mobs_mc:husk", mobs_mc.spawn.desert, {"air"}, 0, 7, 30, 6500, 4, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-mobs:register_spawn("mobs_mc:baby_husk", mobs_mc.spawn.desert, 7, 0, 65000, 4, 31000)
+mobs:spawn_specific("mobs_mc:baby_husk", mobs_mc.spawn.desert, {"air"}, 0, 7, 30, 65000, 4, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-
 
 -- Compatibility
 mobs:alias_mob("mobs:zombie", "mobs_mc:zombie")

mods/ENTITIES/mobs_mc/zombiepig.lua

@@ -80,7 +80,7 @@ mobs:register_mob("mobs_mc:pigman", pigman)
 
 local baby_pigman = table.copy(pigman)
 baby_pigman.collisionbox = {-0.25, -0.01, -0.25, 0.25, 0.94, 0.25}
-baby_pigman.visual_size = {x=0.5, y=0.5}
+baby_pigman.visual_size = {x=pigman.visual_size.x/2, y=pigman.visual_size.y/2}
 baby_pigman.textures = {{"mobs_mc_zombie_pigman.png"}}
 baby_pigman.walk_velocity = 1.2
 baby_pigman.run_velocity = 2.4
@@ -88,13 +88,13 @@ baby_pigman.light_damage = 0
 
 mobs:register_mob("mobs_mc:baby_pigman", baby_pigman)
 
+-- Regular spawning in the Nether
+mobs:spawn_specific("mobs_mc:pigman", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 6000, 3, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
 -- Baby zombie is 20 times less likely than regular zombies
-mobs:register_spawn("mobs_mc:baby_pigman", mobs_mc.spawn.nether, minetest.LIGHT_MAX+1, 0, 100000, 4, 31000)
+mobs:spawn_specific("mobs_mc:baby_pigman", mobs_mc.spawn.solid, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 100000, 4, mobs_mc.spawn_height.nether_min, mobs_mc.spawn_height.nether_max)
 
---mobs:register_spawn("mobs_mc:pigman", {"nether:rack"},  17, -1, 5000, 3, -2000)
+-- Spawning in Nether portals in the Overworld
-mobs:register_spawn("mobs_mc:pigman", mobs_mc.spawn.nether, minetest.LIGHT_MAX+1, 0, 6000, 3, -2000)
+mobs:spawn_specific("mobs_mc:pigman", mobs_mc.spawn.nether_portal, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 500, 4, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)
-mobs:register_spawn("mobs_mc:pigman", mobs_mc.spawn.nether_portal, minetest.LIGHT_MAX+1, 0, 500, 4, 31000)
-mobs:spawn_specific("mobs_mc:pigman", mobs_mc.spawn.nether_portal, {"air", "mcl_portals:nether_air"},0, minetest.LIGHT_MAX+1, 7, 9000, 2, -31000, 31000)
 
 -- compatibility
 mobs:alias_mob("mobs:pigman", "mobs_mc:pigman")

mods/ENTITIES/mobs_mc_gameconfig/depends.txt

@@ -0,0 +1 @@
+mcl_init

mods/ENTITIES/mobs_mc_gameconfig/init.lua

@@ -179,6 +179,26 @@ mobs_mc.override.spawn = {
 	jungle = { "mcl_core:podzol", "mcl_core:jungletree", "mcl_core:jungleleaves", "mcl_flowers:fern" },
 	snow = { "mcl_core:snow", "mcl_core:snowblock", "mcl_core:dirt_with_grass_snow" },
 	end_city = { "mcl_end:purpur_block" },
+	nether = { "mcl_nether:netherrack", "mcl_nether:quartz_ore" },
+	-- Netherrack added because there are no Nether fortresses yet. TODO: Remove netherrac from list as soon they're available
+	nether_fortress = { "mcl_nether:nether_brick", "mcl_nether:netherrack" },
 	wolf = { mobs_mc.override.items.grass_block, "mcl_core:dirt", "mcl_core:dirt_with_grass_snow", "mcl_core:snow", "mcl_core:snowblock", "mcl_core:podzol" },
 }
 
+-- This table contains important spawn height references for the mob spawn height.
+mobs_mc.override.spawn_height = {
+	water = tonumber(minetest.setting_get("water_level")) or 0, -- Water level in the Overworld
+
+	-- Overworld boundaries (inclusive)
+	overworld_min = mcl_vars.mg_overworld_min,
+	overworld_max = mcl_vars.mg_overworld_max,
+
+	-- Nether boundaries (inclusive)
+	nether_min = mcl_vars.mg_nether_min,
+	nether_max = mcl_vars.mg_nether_max,
+
+	-- End boundaries (inclusive)
+	end_min = mcl_vars.mg_end_min,
+	end_max = mcl_vars.mg_end_max,
+}
+