Merge remote-tracking branch 'upstream/master'

And optimize textures with optipng

digicode.lua

@@ -122,7 +122,7 @@ minetest.register_node("scifi_nodes:digicode_on", {
 	paramtype2 = "wallmounted",
 	light_source = 5,
 	groups = {cracky=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1, mesecon_needs_receiver = 1},
-	drop = {items = {"scifi_nodes:digicode_off"}},
+	drop = "scifi_nodes:digicode_off",
 	mesecons = {
 		receptor = {
 			state = (has_mesecons and mesecon.state.on)

init.lua

@@ -22,3 +22,4 @@ dofile(MP.."/digicode.lua")
 dofile(MP.."/models.lua")
 dofile(MP.."/octagon_panes.lua")
 dofile(MP.."/crafts.lua")
+minetest.log("action", "[scifi_nodes] loaded.")

palm_scanner.lua

@@ -22,6 +22,8 @@ local function activate_palm_scanner(pos, node, player)
 
 	-- check protection
 	minetest.after(2, function()
+		if minetest.get_node(pos).name ~= node.name then return end
+
 		if minetest.is_protected(pos, name or "") then
 			-- clicker has no access to area
 			minetest.chat_send_player(name, "Access denied !")
@@ -36,6 +38,7 @@ local function activate_palm_scanner(pos, node, player)
 
 		-- reset state
 		minetest.after(1, function()
+			if minetest.get_node(pos).name ~= node.name then return end
 			node.name = "scifi_nodes:palm_scanner_off"
 			minetest.swap_node(pos, node)
 			mesecon.receptor_off(pos, scifi_nodes.get_switch_rules(node.param2))