From b5f5beeb3d450940e9eb465e7764ce68c6f913fd Mon Sep 17 00:00:00 2001
From: Anthony Zhang <azhang9@gmail.com>
Date: Sat, 15 Dec 2012 17:53:03 -0500
Subject: [PATCH] Attempt to update the wire crossing.

---
 mesecons_extrawires/crossing.lua | 147 ++++++-------------------------
 1 file changed, 28 insertions(+), 119 deletions(-)

diff --git a/mesecons_extrawires/crossing.lua b/mesecons_extrawires/crossing.lua
index 53f12b2..2b35af1 100644
--- a/mesecons_extrawires/crossing.lua
+++ b/mesecons_extrawires/crossing.lua
@@ -1,126 +1,35 @@
 -- CODE NOT ACTIVE
 
-for x=-1, 1 do for z=-1, 1 do
-	rules = {}
-	nodename = "mesecons_extrawires:crossing"
-	if x == -1 then
-		nodename = nodename .. "A"
-		table.insert(rules, {x=-1, y=0, z=0})
-	end
-	if z == 1 then
-		nodename = nodename .. "B"
-		table.insert(rules, {x=0, y=0, z=1})
-	end
-	if x == 1 then
-		nodename = nodename .. "C"
-		table.insert(rules, {x=1, y=0, z=0})
-	end
-	if z == -1 then
-		nodename = nodename .. "D"
-		table.insert(rules, {x=0, y=0, z=-1})
-	end
-	mesecon:add_rules(nodename, rules)
-	mesecon:register_effector(nodename, nodename, all_rules)
-	if nodename == "mesecons_extrawires:crossing" then
-		description = "Insulated Crossing"
-		groups = {dig_immediate = 3, mesecon = 3, mesecon_conductor_craftable=1}
-	else
-		description = "You hacker you!"
-		drop = "mesecons_extrawires:crossing"
-		groups = {dig_immediate = 3, not_in_creative_inventory=1, mesecon = 3}
-		mesecon:add_receptor_node(nodename, rules)
-	end
-	minetest.register_node(nodename, {
-		drawtype = "nodebox",
-		description = description,
-		tiles = {
-			"jeija_insulated_wire_sides.png",
-		},
-		paramtype = "light",
-		walkable = false,
-		stack_max = 99,
-		selection_box = {
-			type = "fixed",
-			fixed = { -16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001 },
-		},
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
-				{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
-				{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
-				{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
-				{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
-				{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
-			},
-		},
-		groups = groups,
-		drop = drop,
-	})
-end end
-
-function receptor_set(pos, rules, on)
-	if on then
-		mesecon:receptor_on(pos, rules)
-	else
-		mesecon:receptor_off(pos, rules)
-	end
+local crossing_get_rules = function(node)
+	--TODO: calculate the real port states and use rules to link to them only if 
 end
 
-function update_plus(pos, name)
-	vL = {
-		a = string.find(name, "A")~=nil,
-		b = string.find(name, "B")~=nil,
-		c = string.find(name, "C")~=nil,
-		d = string.find(name, "D")~=nil,
-	}
-	rL = yc_get_real_portstates(pos)
-	L = {
-		a = rL.c and not vL.c,
-		b = rL.d and not vL.d,
-		c = rL.a and not vL.a,
-		d = rL.b and not vL.b,
-	}
-	newname = "mesecons_extrawires:crossing"
-	if L.a then newname = newname .. "A" end
-	if L.b then newname = newname .. "B" end
-	if L.c then newname = newname .. "C" end
-	if L.d then newname = newname .. "D" end
-	if newname ~= name then
-		minetest.env:add_node(pos, {name = newname})
-	end
-	if L.a ~= vL.a then
-		receptor_set(pos, mesecon:get_rules("mesecons_extrawires:crossingA"), L.a)
-		if not L.a and yc_get_real_portstates(pos).a then
-			--catch signal changing direction while on
-			update_plus(pos, newname)
-		end
-	end
-	if L.b ~= vL.b then
-		receptor_set(pos, mesecon:get_rules("mesecons_extrawires:crossingB"), L.b)
-		if not L.b and yc_get_real_portstates(pos).b then
-			update_plus(pos, newname)
-		end
-	end
-	if L.c ~= vL.c then
-		receptor_set(pos, mesecon:get_rules("mesecons_extrawires:crossingC"), L.c)
-		if not L.c and yc_get_real_portstates(pos).c then
-			update_plus(pos, newname)
-		end
-	end
-	if L.d ~= vL.d then
-		receptor_set(pos, mesecon:get_rules("mesecons_extrawires:crossingD"), L.d)
-		if not L.c and yc_get_real_portstates(pos).d then
-			update_plus(pos, newname)
-		end
-	end
-end
-
-mesecon:register_on_signal_change(function(pos, node)
-	if string.find(node.name, "mesecons_extrawires:crossing")~=nil then
-		update_plus(pos, node.name)
-	end
-end)
+minetest.register_node("mesecons_extrawires:crossing_on", {
+	drawtype = "nodebox",
+	tiles = {"jeija_insulated_wire_sides.png"},
+	paramtype = "light",
+	walkable = false,
+	stack_max = 99,
+	selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
+			{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
+			{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
+			{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
+			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
+		},
+	},
+	groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
+	mesecons = {
+		receptor = {
+			state = mesecon.state.on,
+			rules = crossing_get_rules,
+		}
+	},
+})
 
 minetest.register_craft({
 	type = "shapeless",