added blueprints

mods/blueprint/depends.txt

@@ -0,0 +1 @@
+default

mods/blueprint/init.lua

@@ -0,0 +1,26 @@
+blueprint = {}
+blueprint.all = {}
+
+function blueprint.register_blueprint(name, def)
+	table.insert(def.materials, "blueprint:"..name)
+	table.insert(blueprint.all, "blueprint:"..name)
+
+	minetest.register_craftitem(":blueprint:"..name, {
+		description = "Blueprint : " .. def.description,
+		inventory_image = "blueprint_blueprint.png",
+	})
+
+	minetest.register_craft({
+		type = "shapeless",
+		output = def.out,
+		recipe = def.materials,
+		replacements = {
+			{"blueprint:"..name, "blueprint:"..name}
+		}
+	})
+end
+
+minetest.register_craftitem("blueprint:empty", {
+	description = "Empty Blueprint",
+	inventory_image = "blueprint_empty.png",
+})

mods/pipe/depends.txt

@@ -1 +1,2 @@
 default
+blueprint

mods/pipe/init.lua

@@ -106,3 +106,17 @@ minetest.register_abm({
 		end	
 	end,
 })
+
+-- craft
+
+blueprint.register_blueprint("pipe", {
+	description = "Pipe",
+	materials = {"furnace:iron_plate"},
+	out = "pipe:pipe"
+})
+
+blueprint.register_blueprint("pump", {
+	description = "Pump",
+	materials = {"furnace:iron_plate", "furnace:iron_plate", "furnace:iron_plate", "pipe:pipe"},
+	out = "pipe:pump"
+})