Blackhole: Add support for liquids

Left side is used for items; right side is used for liquids.
As far as I know, there is no other way to get rid of liquids.

basic_machines/blackhole.lua

@@ -8,11 +8,32 @@
 	GPL v3
 	See LICENSE.txt for more information
 
-	All items disappear.
+	All items and liquids disappear.
 	
 ]]--
 
 local S = techage.S
+local Pipe = techage.LiquidPipe
+local liquid = techage.liquid
+
+local function take_liquid(pos, indir, name, amount)
+	return 0, name
+end
+
+local function put_liquid(pos, indir, name, amount)
+	return 0
+end
+
+local function peek_liquid(pos, indir)
+	return nil
+end
+
+local networks_def = {
+	pipe2 = {
+		sides = {R=1}, -- Pipe connection sides
+		ntype = "tank",
+	},
+}
 
 minetest.register_node("techage:blackhole", {
 	description = S("TechAge Black Hole"),
@@ -20,7 +41,7 @@ minetest.register_node("techage:blackhole", {
 		-- up, down, right, left, back, front
 		"techage_filling_ta2.png^techage_frame_ta2.png",
 		"techage_filling_ta2.png^techage_frame_ta2.png",
-		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_blackhole.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_blackhole.png^techage_appl_hole_pipe.png",
 		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_blackhole.png^techage_appl_inp.png",
 		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_blackhole.png",
 		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_blackhole.png",
@@ -30,7 +51,14 @@ minetest.register_node("techage:blackhole", {
 		local meta = minetest.get_meta(pos)
 		local node = minetest.get_node(pos)
 		meta:set_int("push_dir", techage.side_to_indir("L", node.param2))
-		meta:set_string("infotext", S("TechAge Black Hole (let items disappear)"))
+		meta:set_string("infotext", S("TechAge Black Hole (let items and liquids disappear)"))
+		Pipe:after_place_node(pos)
+	end,
+	after_dig_node = function(pos, oldnode)
+		Pipe:after_dig_node(pos)
+	end,
+	tubelib2_on_update2 = function(pos, outdir, tlib2, node)
+		liquid.update_network(pos, outdir)
 	end,
 
 	on_rotate = screwdriver.disallow,
@@ -38,13 +66,20 @@ minetest.register_node("techage:blackhole", {
 	groups = {choppy=2, cracky=2, crumbly=2},
 	is_ground_content = false,
 	sounds = default.node_sound_wood_defaults(),
+	liquid = {
+		capa = 999999,
+		peek = peek_liquid,
+		put = put_liquid,
+		take = take_liquid,
+	},
+	networks = networks_def,
 })
 
 minetest.register_craft({
 	output = "techage:blackhole",
 	recipe = {
 		{"group:wood", "", "group:wood"},
-		{"techage:tubeS", "default:coal_lump", ""},
+		{"techage:tubeS", "default:coal_lump", "techage:ta3_pipeS"},
 		{"group:wood", "techage:iron_ingot", "group:wood"},
 	},
 })
@@ -61,3 +96,4 @@ techage.register_node({"techage:blackhole"}, {
 	end,
 })
 
+Pipe:add_secondary_node_names({"techage:blackhole"})

locale/techage.de.tr

@@ -355,7 +355,7 @@ TA4 Wind Turbine=TA4 Windkraftanlage
 TA4 Wind Turbine Nacelle=TA4 Windkraftanlagengondel
 TA4 Wind Turbine Signal Lamp=TA4 Windkraftanlagenlampe
 TechAge Black Hole=TechAge Schwarzes Loch
-TechAge Black Hole (let items disappear)=TechAge Schwarzes Loch (Gegenstände verschwinden)
+TechAge Black Hole (let items and liquids disappear)=TechAge Schwarzes Loch (Gegenstände und Flüssigkeiten verschwinden)
 TechAge Door Block=TechAge Türblock
 TechAge Gate Block=TechAge Torblock
 TechAge Gravel=TechAge Kies

locale/template.txt

@@ -353,7 +353,7 @@ TA4 Wind Turbine=
 TA4 Wind Turbine Nacelle=
 TA4 Wind Turbine Signal Lamp=
 TechAge Black Hole=
-TechAge Black Hole (let items disappear)=
+TechAge Black Hole (let items and liquids disappear)=
 TechAge Door Block=
 TechAge Gate Block=
 TechAge Gravel=