From 646fea1b9e97a9be60c805320b4cbdd6cde18f93 Mon Sep 17 00:00:00 2001
From: Quentin Bazin <quent42340@gmail.com>
Date: Sat, 18 Jul 2020 07:44:49 +0200
Subject: [PATCH] [mods/default] Fixed a bug causing furnace to update the
 chunk every tick.

---
 mods/default/blocks/furnace.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mods/default/blocks/furnace.lua b/mods/default/blocks/furnace.lua
index 7f8c27cb..335aa478 100644
--- a/mods/default/blocks/furnace.lua
+++ b/mods/default/blocks/furnace.lua
@@ -215,7 +215,7 @@ mod:block {
 			else
 				item_progress = 0
 			end
-		elseif ticks_remaining == 0 then
+		elseif ticks_remaining == 0 and current_state ~= 0 then
 			current_burn_time = 0
 			world:set_block_state(pos.x, pos.y, pos.z, 0)
 		end