1 files changed, 50 insertions, 0 deletions
diff --git a/boost_cart/detector.lua b/boost_cart/detector.lua
new file mode 100644
index 0000000..17d1f16
--- /dev/null
+++ b/boost_cart/detector.lua
@@ -0,0 +1,50 @@
+local mesecons_rules = mesecon.rules.flat
+
+function boost_cart:turnoff_detector_rail(pos)
+	local node = minetest.get_node(pos)
+	if minetest.get_item_group(node.name, "detector_rail") == 1 then
+		if node.name == "boost_cart:detectorrail_on" then --has not been dug
+			minetest.swap_node(pos, {name = "boost_cart:detectorrail", param2=node.param2})
+		end
+		mesecon.receptor_off(pos, mesecons_rules)
+	end
+end
+
+function boost_cart:signal_detector_rail(pos)
+	local node = minetest.get_node(pos)
+	if minetest.get_item_group(node.name, "detector_rail") ~= 1 then
+		return
+	end
+	--minetest.log("action", "Signaling detector at " .. minetest.pos_to_string(pos))
+	if node.name == "boost_cart:detectorrail" then
+		minetest.swap_node(pos, {name = "boost_cart:detectorrail_on", param2=node.param2})
+	end
+	mesecon.receptor_on(pos, mesecons_rules)
+	minetest.after(0.5, boost_cart.turnoff_detector_rail, boost_cart, pos)
+end
+
+boost_cart:register_rail("boost_cart:detectorrail", {
+	description = "Detector rail",
+	tiles = {"carts_rail_dtc.png", "carts_rail_curved_dtc.png", "carts_rail_t_junction_dtc.png", "carts_rail_crossing_dtc.png"},
+	groups = {dig_immediate = 2, attached_node = 1, rail = 1, connect_to_raillike = 1, detector_rail = 1},
+
+	mesecons = {receptor = {state = "off", rules = mesecons_rules }},
+})
+
+boost_cart:register_rail("boost_cart:detectorrail_on", {
+	description = "Detector rail ON (you hacker you)",
+	tiles = {"carts_rail_dtc_on.png", "carts_rail_curved_dtc_on.png", "carts_rail_t_junction_dtc_on.png", "carts_rail_crossing_dtc_on.png"},
+	groups = {dig_immediate = 2, attached_node = 1, rail = 1, connect_to_raillike = 1, detector_rail = 1, not_in_creative_inventory = 1},
+	drop = "boost_cart:detectorrail",
+
+	mesecons = {receptor = {state = "on", rules = mesecons_rules }},
+})
+
+minetest.register_craft({
+	output = "boost_cart:detectorrail 6",
+	recipe = {
+		{"default:steel_ingot", "mesecons:wire_00000000_off", "default:steel_ingot"},
+		{"default:steel_ingot", "group:stick", "default:steel_ingot"},
+		{"default:steel_ingot", "mesecons:wire_00000000_off", "default:steel_ingot"},
+	},
+})