Add pulsar and flip-flop

mesecons_digital/init.lua

@@ -0,0 +1,149 @@
+local selection_box = {
+	type = "fixed",
+	fixed = { -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }
+}
+
+local nodebox = {
+	type = "fixed",
+	fixed = {
+		{ -8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }, -- bottom slab
+		{ -6/16, -7/16, -6/16, 6/16, -6/16, 6/16 }
+	},
+}
+
+local function gate_rotate_rules(node, rules)
+	for rotations = 0, node.param2 - 1 do
+		rules = mesecon.rotate_rules_left(rules)
+	end
+	return rules
+end
+
+local function gate_get_output_rules(node)
+	return gate_rotate_rules(node, {{x=1, y=0, z=0}})
+end
+
+local function gate_get_input_rules(node)
+	return gate_rotate_rules(node, {{x=-1, y=0, z=0}})
+end
+
+local function start_pulse(pos, node)
+	local def = minetest.registered_nodes[node.name]
+	if mesecon.do_overheat(pos) then
+		minetest.remove_node(pos)
+		minetest.add_item(pos, def.drop)
+		return
+	end
+	node.name = def.onstate
+	minetest.swap_node(pos, node)
+	local rules = gate_get_output_rules(node)
+	mesecon.receptor_on(pos, rules)
+	mesecon.queue:add_action(pos, "mesecons_digital:pulsar_off", {rules, node.name, 1}, 0)
+end
+
+local function end_pulse(pos, rules, nodename, delay)
+	if delay ~= 0 then
+		mesecon.queue:add_action(pos, "mesecons_digital:pulsar_off", {rules, nodename, delay - 1}, 0)
+		return
+	end
+	local node = minetest.get_node(pos)
+	if node.name ~= nodename then return end -- don’t crash if the node was replaced!
+	local def = minetest.registered_nodes[node.name]
+	node.name = def.offstate
+	minetest.swap_node(pos, node)
+	mesecon.receptor_off(pos, rules)
+end
+
+mesecon.queue:add_function("mesecons_digital:pulsar_off", end_pulse)
+
+local function flip_on(pos, node)
+	local def = minetest.registered_nodes[node.name]
+	if mesecon.do_overheat(pos) then
+		minetest.remove_node(pos)
+		minetest.add_item(pos, def.drop)
+		return
+	end
+	node.name = def.onstate
+	minetest.swap_node(pos, node)
+	local rules = gate_get_output_rules(node)
+	mesecon.receptor_on(pos, rules)
+end
+
+local function flip_off(pos, node)
+	local def = minetest.registered_nodes[node.name]
+	if mesecon.do_overheat(pos) then
+		minetest.remove_node(pos)
+		minetest.add_item(pos, def.drop)
+		return
+	end
+	node.name = def.offstate
+	minetest.swap_node(pos, node)
+	local rules = gate_get_output_rules(node)
+	mesecon.receptor_off(pos, rules)
+end
+
+local function register_component(name, effector_off, effector_on, recipe, description)
+	local basename = "mesecons_digital:"..name
+	mesecon.register_node(basename, {
+		description = description,
+		inventory_image = "jeija_gate_off.png^mesecons_digital_"..name..".png",
+		paramtype = "light",
+		paramtype2 = "facedir",
+		is_ground_content = false,
+		drawtype = "nodebox",
+		drop = basename.."_off",
+		selection_box = selection_box,
+		node_box = nodebox,
+		walkable = true,
+		sounds = default.node_sound_stone_defaults(),
+		onstate = basename.."_on",
+		offstate = basename.."_off",
+		after_dig_node = mesecon.do_cooldown,
+	},{
+		tiles = {
+			"jeija_microcontroller_bottom.png^".."jeija_gate_off.png^"..
+			"jeija_gate_output_off.png^".."mesecons_digital_"..name..".png",
+			"jeija_microcontroller_bottom.png^".."jeija_gate_output_off.png^"..
+			"[transformFY",
+			"jeija_gate_side.png^".."jeija_gate_side_output_off.png",
+			"jeija_gate_side.png",
+			"jeija_gate_side.png",
+			"jeija_gate_side.png"
+		},
+		groups = {dig_immediate = 2, overheat = 1},
+		mesecons = { receptor = {
+			state = "off",
+			rules = gate_get_output_rules
+		}, effector = effector_off
+		}
+	},{
+		tiles = {
+			"jeija_microcontroller_bottom.png^".."jeija_gate_on.png^"..
+			"jeija_gate_output_on.png^".."mesecons_digital_"..name..".png",
+			"jeija_microcontroller_bottom.png^".."jeija_gate_output_on.png^"..
+			"[transformFY",
+			"jeija_gate_side.png^".."jeija_gate_side_output_on.png",
+			"jeija_gate_side.png",
+			"jeija_gate_side.png",
+			"jeija_gate_side.png"
+		},
+		groups = {dig_immediate = 2, not_in_creative_inventory = 1, overheat = 1},
+		mesecons = { receptor = {
+			state = "on",
+			rules = gate_get_output_rules
+		}, effector = effector_on
+		}
+	})
+	minetest.register_craft({output = basename.."_off", recipe = recipe})
+end
+
+register_component("pulsar",
+	{ rules = gate_get_input_rules, action_on = start_pulse },
+	{ rules = gate_get_input_rules },
+	{{"air"}},
+	"Pulsar")
+
+register_component("flipflop",
+	{ rules = gate_get_input_rules, action_on = flip_on },
+	{ rules = gate_get_input_rules, action_on = flip_off },
+	{{"air"}},
+	"Flip-Flop")

mesecons_digital/mod.conf

@@ -0,0 +1,2 @@
+name = mesecons_digital
+depends = mesecons