Liquid spigots: modify texture to appear blue (better optical distinction), add craft recipes

advtrains/techage.lua

@@ -127,7 +127,7 @@ minetest.register_node("advtrains:ta_liquid_loader", {
 	node_box = {
 		type = "fixed",
 		fixed = {
-			{-1/8, -7/8,  -1/8, 1/8,  1/8,  1/8},
+			{-1/8, -6/8,  -1/8, 1/8,  1/8,  1/8},
 			{-2/8, -5/8,  -2/8, 2/8, -1/4,  2/8},
 			{-1/8, -1/8,   1/8, 1/8,  1/8,  4/8},
 			{-2/8, -2/8, 13/32, 2/8,  2/8,  1/2},
@@ -224,4 +224,20 @@ liquid.register_nodes({"advtrains:ta_liquid_unloader"},
 			return tankcar_put_liquid(loader_relpos(pos), name, amount)
 		end,
 	}
-)
+)
+
+minetest.register_craft({
+	output = "advtrains:ta_liquid_loader",
+	recipe = {
+		{"techage:ta3_pipeS"},
+		{"minecart:hopper"},
+	},
+})
+
+minetest.register_craft({
+	output = "advtrains:ta_liquid_unloader",
+	recipe = {
+		{"minecart:hopper"},
+		{"techage:ta3_pipeS"},
+	},
+})