Add basic minecarts and powered rails

mods/mcl_minecarts/rails.lua

@@ -0,0 +1,46 @@
+-- Speed up
+
+minetest.register_node("mcl_minecarts:golden_rail", {
+	description = "Powered Rail",
+	drawtype = "raillike",
+	tiles = {"carts_rail_pwr.png", "carts_rail_curved_pwr.png", "carts_rail_t_junction_pwr.png", "carts_rail_crossing_pwr.png"},
+	inventory_image = "carts_rail_pwr.png",
+	wield_image = "carts_rail_pwr.png",
+	paramtype = "light",
+	is_ground_content = true,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		-- but how to specify the dimensions for curved and sideways rails?
+		fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+	},
+	groups = {dig_immediate = 2, attached_node = 1, rail = 1, connect_to_raillike = 1},
+	
+	after_place_node = function(pos, placer, itemstack)
+		if not mesecon then
+			minetest.get_meta(pos):set_string("cart_acceleration", "0.5")
+		end
+	end,
+	
+	mesecons = {
+		effector = {
+			action_on = function(pos, node)
+				mcl_minecarts:boost_rail(pos, 0.5)
+			end,
+			
+			action_off = function(pos, node)
+				minetest.get_meta(pos):set_string("cart_acceleration", "0")
+			end,
+		},
+	},
+})
+
+minetest.register_craft({
+	output = "mcl_minecarts:golden_rail 6",
+	recipe = {
+		{"default:gold_ingot", "", "default:gold_ingot"},
+		{"default:gold_ingot", "default:stick", "default:gold_ingot"},
+		{"default:gold_ingot", "mesecons:redstone_dust", "default:gold_ingot"},
+	}
+})
+