From 846e22a06b3abdc87ef993a662b1db6f81f972c8 Mon Sep 17 00:00:00 2001
From: SmallJoker <SmallJoker@users.noreply.github.com>
Date: Sat, 29 Jul 2017 18:09:15 +0200
Subject: [PATCH] TNT: Only burn visually connected powder (#1857)

---
 init.lua | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/init.lua b/init.lua
index 5500d64..606ab6a 100644
--- a/init.lua
+++ b/init.lua
@@ -513,17 +513,17 @@ minetest.register_node("tnt:gunpowder_burning", {
 	on_timer = function(pos, elapsed)
 		for dx = -1, 1 do
 		for dz = -1, 1 do
-		for dy = -1, 1 do
-			if not (dx == 0 and dz == 0) then
-				tnt.burn({
-					x = pos.x + dx,
-					y = pos.y + dy,
-					z = pos.z + dz,
-				})
+			if math.abs(dx) + math.abs(dz) == 1 then
+				for dy = -1, 1 do
+					tnt.burn({
+						x = pos.x + dx,
+						y = pos.y + dy,
+						z = pos.z + dz,
+					})
+				end
 			end
 		end
 		end
-		end
 		minetest.remove_node(pos)
 	end,
 	-- unaffected by explosions