Fix TNT mod crash when entities disappear during explosion (#2616)

init.lua

@@ -163,9 +163,8 @@ local function entity_physics(pos, radius, drops)
 
 		local damage = (4 / dist) * radius
 		if obj:is_player() then
-			-- currently the engine has no method to set
-			-- player velocity. See #2960
-			-- instead, we knock the player back 1.0 node, and slightly upwards
+			-- we knock the player back 1.0 node, and slightly upwards
+			-- TODO: switch to add_player_velocity() introduced in 5.1
 			local dir = vector.normalize(vector.subtract(obj_pos, pos))
 			local moveoff = vector.multiply(dir, dist + 1.0)
 			local newpos = vector.add(pos, moveoff)
@@ -174,10 +173,13 @@ local function entity_physics(pos, radius, drops)
 
 			obj:set_hp(obj:get_hp() - damage)
 		else
+			local luaobj = obj:get_luaentity()
+
+			-- object might have disappeared somehow
+			if luaobj then
 				local do_damage = true
 				local do_knockback = true
 				local entity_drops = {}
-			local luaobj = obj:get_luaentity()
 				local objdef = minetest.registered_entities[luaobj.name]
 
 				if objdef and objdef.on_blast then
@@ -202,6 +204,7 @@ local function entity_physics(pos, radius, drops)
 				end
 			end
 		end
+	end
 end
 
 local function add_effects(pos, radius, drops)
@@ -274,7 +277,7 @@ function tnt.burn(pos, nodename)
 		def.on_ignite(pos)
 	elseif minetest.get_item_group(name, "tnt") > 0 then
 		minetest.swap_node(pos, {name = name .. "_burning"})
-		minetest.sound_play("tnt_ignite", {pos = pos})
+		minetest.sound_play("tnt_ignite", {pos = pos}, true)
 		minetest.get_node_timer(pos):start(1)
 	end
 end
@@ -403,7 +406,7 @@ function tnt.boom(pos, def)
 	end
 	local sound = def.sound or "tnt_explode"
 	minetest.sound_play(sound, {pos = pos, gain = 2.5,
-			max_hear_distance = math.min(def.radius * 20, 128)})
+			max_hear_distance = math.min(def.radius * 20, 128)}, true)
 	local drops, radius = tnt_explode(pos, def.radius, def.ignore_protection,
 			def.ignore_on_blast, owner, def.explode_center)
 	-- append entity drops
@@ -541,7 +544,8 @@ minetest.register_node("tnt:gunpowder_burning", {
 	-- unaffected by explosions
 	on_blast = function() end,
 	on_construct = function(pos)
-		minetest.sound_play("tnt_gunpowder_burning", {pos = pos, gain = 2})
+		minetest.sound_play("tnt_gunpowder_burning", {pos = pos,
+			gain = 2}, true)
 		minetest.get_node_timer(pos):start(1)
 	end,
 })
@@ -672,7 +676,7 @@ function tnt.register_tnt(def)
 		-- unaffected by explosions
 		on_blast = function() end,
 		on_construct = function(pos)
-			minetest.sound_play("tnt_ignite", {pos = pos})
+			minetest.sound_play("tnt_ignite", {pos = pos}, true)
 			minetest.get_node_timer(pos):start(4)
 			minetest.check_for_falling(pos)
 		end,

locale/tnt.ms.tr

@@ -0,0 +1,4 @@
+# textdomain: tnt
+Gun Powder=Serbuk Senjata Api
+TNT Stick=Batang TNT
+TNT=TNT

locale/tnt.ru.tr

@@ -0,0 +1,4 @@
+# textdomain: tnt
+Gun Powder=Порох
+TNT Stick=Тротиловая Палка
+TNT=Тротил

locale/tnt.se.tr

@@ -0,0 +1,4 @@
+# textdomain: tnt
+Gun Powder=Krut
+TNT Stick=Dynamitpinne
+TNT=Dynamit

locale/tnt.zh_CN.tr

@@ -0,0 +1,4 @@
+# textdomain: tnt
+Gun Powder=火药粉
+TNT Stick=炸药棒
+TNT=炸药包

locale/tnt.zh_TW.tr

@@ -0,0 +1,4 @@
+# textdomain: tnt
+Gun Powder=火藥粉
+TNT Stick=炸藥棒
+TNT=炸藥包