add optional loot mod support

depends.txt

@@ -1,3 +1,4 @@
 default
 mg?
-intllib?
+intllib?
+loot?

init.lua

@@ -15,11 +15,8 @@ local modpath = minetest.get_modpath("moreores")
 local S, NS = dofile(modpath.."/intllib.lua")
 
 dofile(modpath .. "/readsettings.lua")
-
--- `mg` support:
-if minetest.get_modpath("mg") then
-	dofile(modpath .. "/mg.lua")
-end
+dofile(modpath .. "/loot.lua")
+dofile(modpath .. "/mg.lua")
 
 -- Utility functions
 -- =================

loot.lua

@@ -0,0 +1,63 @@
+if not minetest.get_modpath("loot") then
+	return
+end
+
+if moreores.tin_enabled then
+	loot.register_loot({
+		weights = { generic = 500 },
+		payload = {
+			stack = ItemStack("moreores:tin_ingot"),
+			min_size = 1,
+			max_size = 10,
+		},
+	})
+	
+	loot.register_loot({
+		weights = { generic = 500 },
+		payload = {
+			stack = ItemStack("moreores:tin_lump"),
+			min_size = 1,
+			max_size = 10,
+		},
+	})
+end
+
+if moreores.silver_enabled then
+	loot.register_loot({
+		weights = { generic = 200, valuable = 200, },
+		payload = {
+			stack = ItemStack("moreores:silver_ingot"),
+			min_size = 1,
+			max_size = 10,
+		},
+	})
+
+	loot.register_loot({
+		weights = { generic = 200, valuable = 200, },
+		payload = {
+			stack = ItemStack("moreores:silver_lump"),
+			min_size = 1,
+			max_size = 10,
+		},
+	})
+end
+
+if moreores.mithril_enabled then
+	loot.register_loot({
+		weights = { generic = 25, valuable = 25, },
+		payload = {
+			stack = ItemStack("moreores:mithril_ingot"),
+			min_size = 1,
+			max_size = 5,
+		},
+	})
+
+	loot.register_loot({
+		weights = { generic = 25, valuable = 25, },
+		payload = {
+			stack = ItemStack("moreores:mithril_lump"),
+			min_size = 1,
+			max_size = 5,
+		},
+	})
+end

mg.lua

@@ -4,6 +4,10 @@ More Ores: `mg` mod support
 Copyright (c) 2011-2015 Calinou and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
+if not minetest.get_modpath("mg") then
+	return
+end
+
 
 if moreores.tin_enabled then
 mg.register_ore({