Add pulse gate

Sends a mesecons signal of a fixed length (punch to adjust, like a delayer) when power is applied.
Uses texture by numberZero from upstream #536

6 files changed, 101 insertions, 0 deletions

diff --git a/mesecons_gates/init.lua b/mesecons_gates/init.lua
index c30f9f8..58872c8 100644
--- a/mesecons_gates/init.lua
+++ b/mesecons_gates/init.lua
@@ -165,3 +165,104 @@ register_gate("or", 2, function (val1, val2) return (val1 or val2) end,
 	 {"", "mesecons:mesecon", "mesecons:mesecon"},
 	 {"mesecons:mesecon", "", ""}},
 	"OR Gate")
+	
+local pulsetime = { 0.1, 0.3, 0.5, 1.0 } --Same as the delayer
+
+local function pulsegate_on(pos,node)
+	local basename = "mesecons_gates:pulse_"
+	if string.sub(node.name,1,#basename) ~= basename or string.sub(node.name,-2,-1) == "on" then
+		--Gate no longer exists or is already on
+		return
+	end
+	local delay = tonumber(string.sub(node.name,#basename+1,#basename+1))
+	node.name = basename..delay.."_on"
+	minetest.swap_node(pos,node)
+	mesecon.receptor_on(pos,gate_get_output_rules(node))
+	if delay and pulsetime[delay] then minetest.get_node_timer(pos):start(pulsetime[delay]) end
+end
+
+local function pulsegate_off(pos)
+	local node = minetest.get_node(pos)
+	local basename = "mesecons_gates:pulse_"
+	if string.sub(node.name,1,#basename) ~= basename or string.sub(node.name,-3,-1) == "off" then
+		--Gate no longer exists or is already off
+		return
+	end
+	local delay = string.sub(node.name,#basename+1,#basename+1)
+	node.name = basename..delay.."_off"
+	minetest.swap_node(pos,node)
+	mesecon.receptor_off(pos,gate_get_output_rules(node))
+end
+
+for i=1,4,1 do
+	mesecon.register_node("mesecons_gates:pulse_"..i, {
+		description = "Logic Gate: Pulse",
+		inventory_image = "jeija_gate_off.png^jeija_gate_pulse.png",
+		paramtype = "light",
+		paramtype2 = "facedir",
+		is_ground_content = false,
+		drawtype = "nodebox",
+		drop = "mesecons_gates:pulse_1_off",
+		selection_box = selection_box,
+		node_box = nodebox,
+		walkable = true,
+		sounds = default.node_sound_stone_defaults(),
+		onstate = "mesecons_gates:pulse_"..i.."_on",
+		offstate = "mesecons_gates:pulse_"..i.."_off",
+		after_dig_node = mesecon.do_cooldown,
+	},{
+		tiles = {
+			"jeija_microcontroller_bottom.png^".."jeija_gate_off.png^"..
+			"jeija_gate_output_off.png^".."jeija_gate_pulse.png^".."mesecons_gates_pulse_setting_"..i..".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"
+		},
+		on_punch = function(pos, node, puncher)
+			if minetest.is_protected(pos, puncher and puncher:get_player_name() or "") then
+				return
+			end
+			minetest.swap_node(pos, {
+				name = "mesecons_gates:pulse_"..tostring(i % 4 + 1).."_off",
+				param2 = node.param2
+			})
+		end,
+		groups = i == 1 and {dig_immediate = 2} or {dig_immediate = 2,not_in_creative_inventory = 1},
+		mesecons = { receptor = {
+			state = "off",
+			rules = gate_get_output_rules
+		}, effector = {
+			rules = gate_get_input_rules_oneinput,
+			action_on = pulsegate_on,
+		}}
+	},{
+		tiles = {
+			"jeija_microcontroller_bottom.png^".."jeija_gate_on.png^"..
+			"jeija_gate_output_on.png^".."jeija_gate_pulse.png^".."mesecons_gates_pulse_setting_"..i..".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"
+		},
+		on_timer = pulsegate_off,
+		groups = {dig_immediate = 2, not_in_creative_inventory = 1},
+		mesecons = { receptor = {
+			state = "on",
+			rules = gate_get_output_rules
+		}}
+	})
+end
+
+minetest.register_craft({
+	output = "mesecons_gates:pulse_1_off",
+	recipe = {
+		{"group:mesecon_conductor_craftable","",""},
+		{"mesecons_materials:silicon","mesecons_materials:silicon","group:mesecon_conductor_craftable"},
+		{"group:mesecon_conductor_craftable","",""},
+	},
+})
diff --git a/mesecons_gates/textures/jeija_gate_pulse.png b/mesecons_gates/textures/jeija_gate_pulse.png
new file mode 100644
index 0000000..183ce4f
--- /dev/null
+++ b/mesecons_gates/textures/jeija_gate_pulse.png
diff --git a/mesecons_gates/textures/mesecons_gates_pulse_setting_1.png b/mesecons_gates/textures/mesecons_gates_pulse_setting_1.png
new file mode 100644
index 0000000..5c04ca1
--- /dev/null
+++ b/mesecons_gates/textures/mesecons_gates_pulse_setting_1.png
diff --git a/mesecons_gates/textures/mesecons_gates_pulse_setting_2.png b/mesecons_gates/textures/mesecons_gates_pulse_setting_2.png
new file mode 100644
index 0000000..6f670d4
--- /dev/null
+++ b/mesecons_gates/textures/mesecons_gates_pulse_setting_2.png
diff --git a/mesecons_gates/textures/mesecons_gates_pulse_setting_3.png b/mesecons_gates/textures/mesecons_gates_pulse_setting_3.png
new file mode 100644
index 0000000..67dc004
--- /dev/null
+++ b/mesecons_gates/textures/mesecons_gates_pulse_setting_3.png
diff --git a/mesecons_gates/textures/mesecons_gates_pulse_setting_4.png b/mesecons_gates/textures/mesecons_gates_pulse_setting_4.png
new file mode 100644
index 0000000..0bee893
--- /dev/null
+++ b/mesecons_gates/textures/mesecons_gates_pulse_setting_4.png