add different dirt and stone type monsters

dirt_monster.lua

@@ -1,6 +1,16 @@
 
 local S = mobs.intllib
 
+local dirt_types = {
+
+	{	nodes = {"ethereal:dry_dirt"},
+		skins = {"mobs_dirt_monster3.png"},
+		drops = {
+			{name = "ethereal:dry_dirt", chance = 1, min = 0, max = 2}
+		}
+	}
+}
+
 
 -- Dirt Monster by PilzAdam
 
@@ -19,6 +29,7 @@ mobs:register_mob("mobs_monster:dirt_monster", {
 	mesh = "mobs_stone_monster.b3d",
 	textures = {
 		{"mobs_dirt_monster.png"},
+		{"mobs_dirt_monster2.png"},
 	},
 	blood_texture = "default_dirt.png",
 	makes_footstep_sound = true,
@@ -48,19 +59,39 @@ mobs:register_mob("mobs_monster:dirt_monster", {
 		punch_start = 40,
 		punch_end = 63,
 	},
+
+	-- check surrounding nodes and spawn a specific spider
+	on_spawn = function(self)
+
+		local pos = self.object:get_pos() ; pos.y = pos.y - 1
+		local tmp
+
+		for n = 1, #dirt_types do
+
+			tmp = dirt_types[n]
+
+			if minetest.find_node_near(pos, 1, tmp.nodes) then
+
+				self.base_texture = tmp.skins
+				self.object:set_properties({textures = tmp.skins})
+
+				if tmp.drops then
+					self.drops = tmp.drops
+				end
+
+				return true
+			end
+		end
+
+		return true -- run only once, false/nil runs every activation
+	end
 })
 
 
-local spawn_on = "default:dirt_with_grass"
-
-if minetest.get_modpath("ethereal") then
-	spawn_on = "ethereal:gray_dirt"
-end
-
 if not mobs.custom_spawn_monster then
 mobs:spawn({
 	name = "mobs_monster:dirt_monster",
-	nodes = {spawn_on},
+	nodes = {"default:dirt_with_grass", "ethereal:gray_dirt", "ethereal:dry_dirt"},
 	min_light = 0,
 	max_light = 7,
 	chance = 6000,