updated with tnt stick

README.txt

@@ -23,22 +23,35 @@ All gunpowder textures except tnt_gunpowder_inventory.png.
 sofar (sofar@foo-projects.org) (CC BY-SA 3.0):
 tnt_blast.png
 
+paramat (CC BY-SA 3.0)
+tnt_tnt_stick.png - Derived from a texture by benrob0329.
+
 Introduction
 ------------
 This mod adds TNT to Minetest. TNT is a tool to help the player
 in mining.
 
 How to use the mod:
-Craft gunpowder by placing coal and gravel in the crafting area.
-The gunpowder can be used to craft TNT or as fuse for TNT.
-To craft TNT place items like this:
--- wood - gunpowder -- wood -
-gunpowder gunpowder gunpowder
--- wood - gunpowder -- wood -
 
-There are different ways to blow up TNT:
+Craft gunpowder by placing coal and gravel in the crafting area.
+The gunpowder can be used to craft TNT sticks or as a fuse trail for TNT.
+
+To craft 2 TNT sticks:
+G_G
+GPG
+G_G
+G = gunpowder
+P = paper
+The sticks are not usable as an explosive.
+
+Craft TNT from 9 TNT sticks.
+
+There are different ways to ignite TNT:
   1. Hit it with a torch.
-  2. Hit a gunpowder fuse that leads to a TNT block with a torch or flint-and-steel.
+  2. Hit a gunpowder fuse trail that leads to TNT with a torch or
+     flint-and-steel.
   3. Activate it with mesecons (fastest way).
 
-Be aware of the damage radius of 6 blocks!
+For 1 TNT:
+Node destruction radius is 3 nodes.
+Player and object damage radius is 6 nodes.

init.lua

@@ -154,7 +154,7 @@ end
 local function entity_physics(pos, radius, drops)
 	local objs = minetest.get_objects_inside_radius(pos, radius)
 	for _, obj in pairs(objs) do
-		local obj_pos = obj:getpos()
+		local obj_pos = obj:get_pos()
 		local dist = math.max(1, vector.distance(pos, obj_pos))
 
 		local damage = (4 / dist) * radius
@@ -404,7 +404,7 @@ end
 	local drops, radius = tnt_explode(pos, def.radius, def.ignore_protection,
 			def.ignore_on_blast, owner, def.explode_center)
 	-- append entity drops
-	local damage_radius = (radius / def.radius) * def.damage_radius
+	local damage_radius = (radius / math.max(1, def.radius)) * def.damage_radius
 	entity_physics(pos, damage_radius, drops)
 	if not def.disable_drops then
 		eject_drops(drops, pos, radius)
@@ -557,13 +557,28 @@ minetest.register_craft({
 	recipe = {"default:coal_lump", "default:gravel"}
 })
 
+minetest.register_craftitem("tnt:tnt_stick", {
+	description = "TNT Stick",
+	inventory_image = "tnt_tnt_stick.png",
+	groups = {flammable = 5},
+})
+
 if enable_tnt then
+	minetest.register_craft({
+		output = "tnt:tnt_stick 2",
+		recipe = {
+			{"tnt:gunpowder", "", "tnt:gunpowder"},
+			{"tnt:gunpowder", "default:paper", "tnt:gunpowder"},
+			{"tnt:gunpowder", "", "tnt:gunpowder"},
+		}
+	})
+
 	minetest.register_craft({
 		output = "tnt:tnt",
 		recipe = {
-			{"group:wood",    "tnt:gunpowder", "group:wood"},
+			{"tnt:tnt_stick", "tnt:tnt_stick", "tnt:tnt_stick"},
-			{"tnt:gunpowder", "tnt:gunpowder", "tnt:gunpowder"},
+			{"tnt:tnt_stick", "tnt:tnt_stick", "tnt:tnt_stick"},
-			{"group:wood",    "tnt:gunpowder", "group:wood"}
+			{"tnt:tnt_stick", "tnt:tnt_stick", "tnt:tnt_stick"}
 		}
 	})
 

license.txt

@@ -35,6 +35,7 @@ Copyright (C) 2014-2016 BlockMen
 Copyright (C) 2014-2016 ShadowNinja
 Copyright (C) 2015-2016 Wuzzy
 Copyright (C) 2016 sofar (sofar@foo-projects.org)
+Copyright (C) 2018 paramat
 
 You are free to:
 Share — copy and redistribute the material in any medium or format.
@@ -62,4 +63,4 @@ for your intended use. For example, other rights such as publicity, privacy, or
 rights may limit how you use the material.
 
 For more details:
-http://creativecommons.org/licenses/by-sa/3.0/
+http://creativecommons.org/licenses/by-sa/3.0/