add mesecons mods

mods/mesecons/mesecons_extrawires/mesewire.lua

@@ -0,0 +1,58 @@
+local S = minetest.get_translator(minetest.get_current_modname())
+
+local mese_nodename = minetest.registered_aliases["mesecons_gamecompat:mese"]
+if mese_nodename then
+	-- Convert placeholders.
+	minetest.register_alias("mesecons_extrawires:mese", mese_nodename)
+else
+	-- Register placeholder.
+	mese_nodename = "mesecons_extrawires:mese"
+	minetest.register_node("mesecons_extrawires:mese", {
+		description = S("Mese Wire"),
+		tiles = {"mesecons_wire_off.png"},
+		paramtype = "light",
+		light_source = 3,
+		groups = {cracky = 1},
+		sounds = mesecon.node_sound.stone,
+	})
+end
+
+local mesewire_rules =
+{
+	{x = 1, y = 0, z = 0},
+	{x =-1, y = 0, z = 0},
+	{x = 0, y = 1, z = 0},
+	{x = 0, y =-1, z = 0},
+	{x = 0, y = 0, z = 1},
+	{x = 0, y = 0, z =-1},
+}
+
+minetest.override_item(mese_nodename, {
+	mesecons = {conductor = {
+		state = mesecon.state.off,
+		onstate = "mesecons_extrawires:mese_powered",
+		rules = mesewire_rules
+	}}
+})
+
+-- Copy node definition of powered mese from normal mese
+-- and brighten texture tiles to indicate mese is powered
+local unpowered_def = minetest.registered_nodes[mese_nodename]
+local powered_def = mesecon.merge_tables(unpowered_def, {
+	drop = mese_nodename,
+	paramtype = "light",
+	light_source = math.min(unpowered_def.light_source + 2, minetest.LIGHT_MAX),
+	mesecons = {conductor = {
+		state = mesecon.state.on,
+		offstate = mese_nodename,
+		rules = mesewire_rules
+	}},
+	groups = mesecon.merge_tables(unpowered_def.groups or {}, {not_in_creative_inventory = 1}),
+	on_blast = mesecon.on_blastnode,
+})
+
+for i, v in pairs(powered_def.tiles) do
+	powered_def.tiles[i] = v .. "^[brighten"
+end
+
+minetest.register_node("mesecons_extrawires:mese_powered", powered_def)