Fix some placer nil checks

* backported upstream 70cf7a26fd

mods/bucket/init.lua

@@ -65,6 +65,7 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, name
 				end
 
 				local node = minetest.get_node_or_nil(pointed_thing.under)
+				if not node then return end
 				local ndef = node and minetest.registered_nodes[node.name]
 
 				-- Call on_rightclick if the pointed node defines it
@@ -125,6 +126,7 @@ minetest.register_craftitem("bucket:bucket_empty", {
 		end
 		-- Check if pointing to a liquid source
 		local node = minetest.get_node(pointed_thing.under)
+		if not node then return end
 		local liquiddef = bucket.liquids[node.name]
 		local item_count = user:get_wielded_item():get_count()
 
@@ -148,7 +150,7 @@ minetest.register_craftitem("bucket:bucket_empty", {
 				if inv:room_for_item("main", {name=liquiddef.itemname}) then
 					inv:add_item("main", liquiddef.itemname)
 				else
-					local pos = user:getpos()
+					local pos = user:get_pos()
 					pos.y = math.floor(pos.y + 0.5)
 					minetest.add_item(pos, liquiddef.itemname)
 				end

mods/default/craftitems.lua

@@ -121,7 +121,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			if inv:room_for_item("main", new_stack) then
 				inv:add_item("main", new_stack)
 			else
-				minetest.add_item(player:getpos(), new_stack)
+				minetest.add_item(player:get_pos(), new_stack)
 			end
 		else
 			stack:get_meta():from_table({ fields = data })
@@ -216,7 +216,8 @@ minetest.register_craftitem("default:skeleton_key", {
 			return itemstack
 		end
 
-		local on_skeleton_key_use = minetest.registered_nodes[node.name].on_skeleton_key_use
+		local node_reg = minetest.registered_nodes[node.name]
+		local on_skeleton_key_use = node_reg and node_reg.on_skeleton_key_use
 		if not on_skeleton_key_use then
 			return itemstack
 		end

mods/default/functions.lua

@@ -562,7 +562,7 @@ minetest.register_abm({
 --
 
 function default.can_interact_with_node(player, pos)
-	if player then
+	if player and player:is_player() then
 		if minetest.check_player_privs(player, "protection_bypass") then
 			return true
 		end

mods/default/item_entity.lua

@@ -48,7 +48,11 @@ local item = {
 			if self.ignite_timer > 10 then
 				self.ignite_timer = 0
 
-				local node = minetest.get_node_or_nil(self.object:getpos())
+				local pos = self.object:get_pos()
+				if pos == nil then
+					return -- object already deleted
+				end
+				local node = minetest.get_node_or_nil(pos)
 				if not node then
 					return
 				end

mods/default/legacy.lua

@@ -49,3 +49,14 @@ else
 	player_api.set_animation = default.player_set_animation
 end
 
+-- Chests
+default.register_chest = default.chest.register_chest
+
+-- Check for a volume intersecting protection
+if minetest.is_area_protected then
+	function default.intersects_protection(minp, maxp, player_name, interval)
+		minetest.log("warning", "default.intersects_protection() is " ..
+			"deprecated, use minetest.is_area_protected() instead.")
+		return minetest.is_area_protected(minp, maxp, player_name, interval)
+	end
+end

mods/default/torch.lua

@@ -110,6 +110,9 @@ minetest.register_node("default:torch_wall", {
 		wall_side = {-1/2, -1/2, -1/8, -1/8, 1/8, 1/8},
 	},
 	sounds = default.node_sound_wood_defaults(),
+	floodable = true,
+	on_flood = on_flood,
+	on_rotate = false
 })
 
 minetest.register_node("default:torch_ceiling", {
@@ -132,6 +135,9 @@ minetest.register_node("default:torch_ceiling", {
 		wall_top = {-1/8, -1/16, -5/16, 1/8, 1/2, 1/8},
 	},
 	sounds = default.node_sound_wood_defaults(),
+	floodable = true,
+	on_flood = on_flood,
+	on_rotate = false
 })
 
 minetest.register_lbm({

mods/doors/init.lua

@@ -82,6 +82,7 @@ minetest.register_node("doors:hidden", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	sunlight_propagates = true,
+	use_texture_alpha = (is_54 and "clip" or true),
 	-- has to be walkable for falling nodes to stop falling.
 	walkable = true,
 	pointable = false,
@@ -89,7 +90,6 @@ minetest.register_node("doors:hidden", {
 	buildable_to = false,
 	floodable = false,
 	drop = "",
-	use_texture_alpha = (is_54 and "clip" or true),
 	groups = {not_in_creative_inventory = 1},
 	on_blast = function() end,
 	tiles = {"doors_blank.png"},
@@ -323,6 +323,9 @@ function doors.register(name, def)
 			meta:set_int("state", state)
 
 			if def.protected then
+
+				local pn = placer:get_player_name()
+
 				meta:set_string("owner", pn)
 				meta:set_string("infotext", "Owned by " .. pn)
 			end

mods/mobs/spawner.lua

@@ -41,9 +41,8 @@ minetest.register_node("mobs:spawner", {
 	end,
 
 	on_right_click = function(pos, placer)
-
+		if placer and type(placer) == "userdata" then
-		if minetest.is_protected(pos, placer:get_player_name()) then
+			if minetest.is_protected(pos, placer:get_player_name()) then return end
-			return
 		end
 	end,
 

mods/mobs_jam/chicken.lua

@@ -262,8 +262,8 @@ minetest.register_node(":mobs:egg", {
 	},
 	groups = {food_egg = 1, snappy = 2, dig_immediate = 3},
 	after_place_node = function(pos, placer, itemstack)
-		if placer:is_player() then
+		if placer then
-			minetest.set_node(pos, {name = "mobs:egg", param2 = 1})
+			if placer:is_player() then minetest.set_node(pos, {name = "mobs:egg", param2 = 1}) end
 		end
 	end,
 	on_use = mobs_shoot_egg

mods/nsspf/spawn.lua

@@ -16,6 +16,7 @@ function place_spore(itemstack, placer, pointed_thing, name, topoint, soilblock)
 	end
 
 	-- if not protected then add node and remove 1 item from the itemstack
+	if not placer then return end
 	if not minetest.is_protected(pt.under, placer:get_player_name()) then
 		if (under.name == topoint) and (minetest.get_node(uu).name == soilblock) then
 			minetest.set_node(uu, {name = name})

mods/tnt/init.lua

@@ -589,9 +589,9 @@ function tnt.register_tnt(def)
 			groups = {dig_immediate = 2, mesecon = 2, tnt = 1, flammable = 5},
 			sounds = default.node_sound_wood_defaults(),
 			after_place_node = function(pos, placer)
-				if placer:is_player() then
+				if placer then
 					local meta = minetest.get_meta(pos)
-					meta:set_string("owner", placer:get_player_name())
+					meta:set_string("owner", placer and placer:get_player_name() or "")
 				end
 			end,
 			on_punch = function(pos, node, puncher)