prevent burning TNT from exploding

init.lua

@@ -1,6 +1,6 @@
 -- ANTI GRIEF by rnd
 -- Copyright 2016 rnd
--- modified by SaKeL for Survival X Server 
+-- modified by SaKeL for Survival X Server
 
 ----------------------------------------------------------------------------
 -- This program is free software: you can redistribute it and/or modify
@@ -29,13 +29,13 @@ function prevent_place_above(name)
 	local old_on_place = minetest.registered_craftitems[name] -- on_place
 	local old_after_place_node = minetest.registered_nodes[name] --after_place_node
 	--after_place_node = func(pos, placer, itemstack, pointed_thing)
-	
+
 	if old_on_place and old_on_place.on_place then
 
 		old_on_place = old_on_place.on_place
 
 		minetest.registered_craftitems[name].on_place = function(itemstack, placer, pointed_thing)
-			
+
 			local pos = pointed_thing.above
 			local placer_name = placer:get_player_name()
 			local item_name = string.split(itemstack:get_name(), ":")[2]
@@ -61,14 +61,14 @@ function prevent_place_above(name)
 	if old_after_place_node then
 
 		old_after_place_node = old_after_place_node.after_place_node
-		
+
 		local table = minetest.registered_nodes[name]
 		local table2 = {}
-		
+
 		for i,v in pairs(table) do
 			table2[i] = v
 		end
-		
+
 		table2.after_place_node = function(pos, placer, itemstack, pointed_thing)
 
 			--after_place_node = func(pos, placer, itemstack, pointed_thing)
@@ -97,11 +97,54 @@ function prevent_place_above(name)
 
 		minetest.register_node(":"..name, table2)
 		return
-	end 
-		
+	end
+
 	return
 end
-	
+
+-- prevent TNT explosion
+minetest.after(0, function ()
+	local old_on_timer = minetest.registered_nodes["tnt:tnt_burning"]
+
+	if old_on_timer and old_on_timer.on_timer then
+		old_on_timer = old_on_timer.on_timer
+
+		minetest.registered_nodes["tnt:tnt_burning"].on_timer = function(pos, elapsed)
+
+			local meta = minetest.get_meta(pos)
+			local owner = meta:get_string("owner")
+
+			if not owner then
+				owner = ""
+			end
+
+			if pos.y > -150 and owner ~= "ADMIN" and owner ~= "SaKeL" then
+				minetest.sound_play("antigrief_fart", {pos = pos, gain = 1.5, max_hear_distance = 2*64})
+				minetest.remove_node(pos)
+
+				-- add effect
+				minetest.add_particlespawner({
+					amount = 64,
+					time = 0.5,
+					minpos = vector.subtract(pos, 1 / 2),
+					maxpos = vector.add(pos, 1 / 2),
+					minvel = {x = -10, y = -10, z = -10},
+					maxvel = {x = 10, y = 10, z = 10},
+					minacc = vector.new(),
+					maxacc = vector.new(),
+					minexptime = 1,
+					maxexptime = 2.5,
+					minsize = 1 * 3,
+					maxsize = 1 * 5,
+					texture = "tnt_smoke.png",
+				})
+			else
+				return old_on_timer(pos, elapsed)
+			end
+		
+		end
+	end
+end)
 
 minetest.after(0, function ()
 	prevent_place_above("bucket:bucket_water")