From 649fca5aff6829c2dfface024eb20e6471132daa Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Tue, 21 Feb 2017 03:00:48 +0100
Subject: [PATCH] Add mcl_util.is_fuel

---
 mods/CORE/mcl_util/init.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mods/CORE/mcl_util/init.lua b/mods/CORE/mcl_util/init.lua
index 64ecd7303..52f9caf64 100644
--- a/mods/CORE/mcl_util/init.lua
+++ b/mods/CORE/mcl_util/init.lua
@@ -188,3 +188,9 @@ function mcl_util.get_first_occupied_inventory_slot(inventory, listname)
 	end
 	return nil
 end
+
+-- Returns true if item (itemstring or ItemStack) can be used as a furnace fuel.
+-- Returns false otherwise
+function mcl_util.is_fuel(item)
+	return minetest.get_craft_result({method="fuel", width=1, items={item}}).time ~= 0
+end