Modified the respawn function and added the do_custom for the "hydra procedure"

masticone.lua

@@ -36,9 +36,9 @@ nssm:register_mob("nssm:masticone", {
 	armor = 60,
 	drawtype = "front",
 	water_damage = 0,
-	lava_damage = 5,
+	lava_damage = 0,
 	floats=0,
-	hydra = true,
+	--hydra = true,
 	light_damage = 0,
 	on_rightclick = nil,
 	attack_type = "dogfight",
@@ -73,10 +73,43 @@ nssm:register_mob("nssm:masticone", {
 				false, --collisiondetection
 				"tnt_smoke.png" --texture
 			)
-				local pos1 = {x=pos.x+math.random(-1,1), y=pos.y+0.5, z=pos.z+math.random(-1,1)}
+			for i = 1,2 do
-				local pos2 = {x=pos.x+math.random(-1,1), y=pos.y+0.5, z=pos.z+math.random(-1,1)}
+				local pos = {x=pos.x+math.random(-1,1), y=pos.y+0.5, z=pos.z+math.random(-1,1)}
-				minetest.add_entity(pos1, "nssm:masticone")
+				local n = minetest.env:get_node(pos).name
-				minetest.add_entity(pos2, "nssm:masticone")
+				if n == "air" then
+				minetest.add_entity(pos, "nssm:masticone")
+			end
 		end)
 	end,
+
+	do_custom = function (self)
+		local pos = self.object:getpos()
+		local n = minetest.env:get_node(pos).name
+
+		if n == "default:lava_source" or n == "default:lava_flowing" then
+			self.object:set_hp(self.object:get_hp()-5)
+			if self.object:get_hp() <=0 then
+
+				for _,drop in pairs(self.drops) do
+
+					if math.random(1, drop.chance) == 1 then
+
+						obj = minetest.add_item(pos,
+							ItemStack(drop.name .. " "
+								.. math.random(drop.min, drop.max)))
+
+						if obj then
+
+							obj:setvelocity({
+								x = math.random(-1, 1),
+								y = 6,
+								z = math.random(-1, 1)
+							})
+						end
+					end
+				end
+				self.object:remove()
+			end
+		end
+	end,
 })