tnt: redo faulty merge, add infomessage for when privilege missing

mods/tnt/init.lua

@@ -1,6 +1,12 @@
 tnt = {}
 core.register_privilege("trusted_player", "special grantings, used for tnt for example")
 
+-- Default to enabled when in singleplayer
+local enable_tnt = minetest.settings:get_bool("enable_tnt")
+if enable_tnt == nil then
+	enable_tnt = minetest.is_singleplayer()
+end
+
 -- loss probabilities array (one in X will be lost)
 local loss_prob = {}
 
@@ -78,7 +84,6 @@ local function add_drop(drops, item)
 	end
 end
 
-=======
 local basic_flame_on_construct -- cached value
 local function destroy(drops, npos, cid, c_air, c_fire,
 		on_blast_queue, on_construct_queue,
@@ -92,9 +97,16 @@ local function destroy(drops, npos, cid, c_air, c_fire,
 	if not def then
 		return c_air
 	elseif not ignore_on_blast and def.on_blast then
-		on_blast_queue[#on_blast_queue + 1] = {pos = vector.new(npos), on_blast = def.on_blast}
+		on_blast_queue[#on_blast_queue + 1] = {
+			pos = vector.new(npos),
+			on_blast = def.on_blast
+		}
 		return cid
 	elseif def.flammable then
+		on_construct_queue[#on_construct_queue + 1] = {
+			fn = basic_flame_on_construct,
+			pos = vector.new(npos)
+		}
 		return c_fire
 	else
 		local node_drops = minetest.get_node_drops(def.name, "")
@@ -307,6 +319,8 @@ local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast, owne
 
 	local drops = {}
 	local on_blast_queue = {}
+	local on_construct_queue = {}
+	basic_flame_on_construct = minetest.registered_nodes["fire:basic_flame"].on_construct
 
 	local c_fire = minetest.get_content_id("fire:basic_flame")
 	for z = -radius, radius do
@@ -428,13 +442,14 @@ minetest.register_node("tnt:gunpowder", {
 	on_punch = function(pos, node, puncher)
 		if puncher:get_wielded_item():get_name() == "default:torch" then
             if(minetest.check_player_privs(puncher:get_player_name(), {trusted_player=true})) then
-                --tnt.burn(pos)
                 minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
                 minetest.log("action", puncher:get_player_name() ..
-				" ignites tnt:gunpowder at " ..
-				minetest.pos_to_string(pos))
-            end
-        end
+                    " ignites tnt:gunpowder at " ..
+                    minetest.pos_to_string(pos))
+                else
+                    minetest.chat_send_player(puncher, "missing privilege trusted_player")
+                end
+		end
 	end,
 	on_blast = function(pos, intensity)
 		minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
@@ -527,29 +542,30 @@ minetest.register_node("tnt:gunpowder_burning", {
 minetest.register_craft({
 	output = "tnt:gunpowder 5",
 	type = "shapeless",
-	groups = {gunpowder = 1},
 	recipe = {"default:coal_lump", "default:gravel"}
 })
 
-minetest.register_craft({
-    output = "tnt:tnt",
-    recipe = {
-        {"group:wood",    "tnt:gunpowder", "group:wood"},
-        {"tnt:gunpowder", "tnt:gunpowder", "tnt:gunpowder"},
-        {"group:wood",    "tnt:gunpowder", "group:wood"}
-    }
-})
+if enable_tnt then
+	minetest.register_craft({
+		output = "tnt:tnt",
+		recipe = {
+			{"group:wood",    "tnt:gunpowder", "group:wood"},
+			{"tnt:gunpowder", "tnt:gunpowder", "tnt:gunpowder"},
+			{"group:wood",    "tnt:gunpowder", "group:wood"}
+		}
+	})
 
-minetest.register_abm({
-    label = "TNT ignition",
-    nodenames = {"group:tnt", "tnt:gunpowder"},
-    neighbors = {"fire:basic_flame", "default:lava_source", "default:lava_flowing"},
-    interval = 4,
-    chance = 1,
-    action = function(pos, node)
-        tnt.burn(pos, node.name)
-    end,
-})
+	minetest.register_abm({
+		label = "TNT ignition",
+		nodenames = {"group:tnt", "tnt:gunpowder"},
+		neighbors = {"fire:basic_flame", "default:lava_source", "default:lava_flowing"},
+		interval = 4,
+		chance = 1,
+		action = function(pos, node)
+			tnt.burn(pos, node.name)
+		end,
+	})
+end
 
 function tnt.register_tnt(def)
 	local name
@@ -566,7 +582,7 @@ function tnt.register_tnt(def)
 	local tnt_burning = def.tiles.burning or def.name .. "_top_burning_animated.png"
 	if not def.damage_radius then def.damage_radius = def.radius * 2 end
 
-	--if enable_tnt then
+	if enable_tnt then
 		minetest.register_node(":" .. name, {
 			description = def.description,
 			tiles = {tnt_top, tnt_bottom, tnt_side},
@@ -609,7 +625,7 @@ function tnt.register_tnt(def)
 				minetest.registered_nodes[name .. "_burning"].on_construct(pos)
 			end,
 		})
-	--end
+	end
 
 	minetest.register_node(":" .. name .. "_burning", {
 		tiles = {
@@ -635,7 +651,7 @@ function tnt.register_tnt(def)
 		on_blast = function() end,
 		on_construct = function(pos)
 			minetest.sound_play("tnt_ignite", {pos = pos})
-			minetest.get_node_timer(pos):start(6)
+			minetest.get_node_timer(pos):start(4)
 			minetest.check_for_falling(pos)
 		end,
 	})