split it into separate files

scripts/portaltarget.lua

@@ -0,0 +1,52 @@
+stone_sounds = {}
+stone_sounds.footstep = {name = "stone_walk", gain = 1.0}
+stone_sounds.dug = {name = "stone_break", gain = 1.0}
+stone_sounds.place = {name = "block_place", gain = 1.0}
+glass_sounds = {}
+glass_sounds.footstep = {name = "glass_walk", gain = 1.0}
+glass_sounds.dug = {name = "glass_break", gain = 1.0}
+glass_sounds.place = {name = "block_place", gain = 1.0}
+wood_sounds = {}
+wood_sounds.footstep = {name = "wood_walk", gain = 1.0}
+wood_sounds.dug = {name = "wood_break", gain = 1.0}
+wood_sounds.place = {name = "block_place", gain = 1.0}
+local portaltarget_sig = {
+    {1, "portalgun_blue.png"},
+    {2, "portalgun_orange.png"}
+}
+
+for ii = 1, #portaltarget_sig, 1 do
+    minetest.register_node(
+        "portalgun:portaltarget_" .. portaltarget_sig[ii][1],
+        {
+            description = "Portal target " .. portaltarget_sig[ii][1],
+            tiles = {"portalgun_testblock.png^" .. portaltarget_sig[ii][2]},
+            groups = {mesecon = 2, cracky = 2},
+            mesecons = {receptor = {state = "off"}},
+            sounds = stone_sounds,
+            is_ground_content = false,
+            paramtype2 = "facedir",
+            paramtype = "light",
+            on_timer = function(pos, elapsed)
+                for i, ob in pairs(minetest.get_objects_inside_radius(pos, 2)) do
+                    if
+                        ob:get_luaentity() and ob:get_luaentity().portalgun and
+                            ob:get_luaentity().project == portaltarget_sig[ii][1]
+                     then
+                        mesecon.receptor_on(pos)
+
+                        return true
+                    end
+                end
+                mesecon.receptor_off(pos)
+                return true
+            end,
+            on_construct = function(pos)
+                if not mesecon then
+                    return false
+                end
+                minetest.get_node_timer(pos):start(2)
+            end
+        }
+    )
+end