From 1f1a1e81ddef3d9b7be555ce7f428866743dea57 Mon Sep 17 00:00:00 2001
From: Fernando Carmona Varo <ferkiwi@gmail.com>
Date: Sun, 13 Nov 2016 16:08:07 +0100
Subject: [PATCH] TNT: Gunpowder (and tnt.burn) will trigger the on_ignite of
 nodes

The previous behaviour is kept as fallback for compatibility, for when the on_ignite
is not defined in the node.
---
 init.lua | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/init.lua b/init.lua
index 9870f89..e5ad5b1 100644
--- a/init.lua
+++ b/init.lua
@@ -260,13 +260,15 @@ end
 
 function tnt.burn(pos, nodename)
 	local name = nodename or minetest.get_node(pos).name
-	local group = minetest.get_item_group(name, "tnt")
-	if group > 0 then
+	local def = minetest.registered_nodes[name]
+	if not def then
+		return
+	elseif def.on_ignite then
+		def.on_ignite(pos)
+	elseif minetest.get_item_group(name, "tnt") > 0 then
 		minetest.sound_play("tnt_ignite", {pos = pos})
 		minetest.set_node(pos, {name = name .. "_burning"})
 		minetest.get_node_timer(pos):start(1)
-	elseif name == "tnt:gunpowder" then
-		minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
 	end
 end