From 3928d54d0cb9992c1aca8d86c77b10a5a77083f8 Mon Sep 17 00:00:00 2001
From: Jeija <norrepli@gmail.com>
Date: Thu, 6 Sep 2012 09:53:30 +0200
Subject: [PATCH] Implement mesecon:register_receptor(onstate, offstate, rules,
 get_rules) and make add_receptor_node(_off) deprecated

---
 mesecons/init.lua        | 28 +++++++++++++++-------------
 mesecons/internal.lua    | 20 ++++----------------
 mesecons/legacy.lua      | 13 +++++++++++++
 mesecons_switch/init.lua |  3 +--
 4 files changed, 33 insertions(+), 31 deletions(-)
 create mode 100644 mesecons/legacy.lua

diff --git a/mesecons/init.lua b/mesecons/init.lua
index 467ebf1..babfca4 100644
--- a/mesecons/init.lua
+++ b/mesecons/init.lua
@@ -20,7 +20,6 @@ mesecon.actions_on={} -- Saves registered function callbacks for mesecon on
 mesecon.actions_off={} -- Saves registered function callbacks for mesecon off
 mesecon.actions_change={} -- Saves registered function callbacks for mesecon change
 mesecon.receptors={}
-mesecon.receptors_off={}
 mesecon.effectors={}
 mesecon.rules={}
 mesecon.conductors={}
@@ -33,25 +32,26 @@ dofile(minetest.get_modpath("mesecons").."/internal.lua");
 
 -- API API API API API API API API API API API API API API API API API API
 
-function mesecon:add_receptor_node(name, rules, get_rules) --rules table is optional; if rules depend on param2 pass (nodename, nil, function get_rules)
-	if get_rules==nil and rules==nil then
-		rules=mesecon:get_rules("default")
+function mesecon:register_receptor(onstate, offstate, rules, get_rules)
+	if get_rules == nil and rules == nil then
+		rules = mesecon:get_rules("default")
 	end
-	table.insert(mesecon.receptors, {name = name, rules = rules, get_rules = get_rules})
-end
-
-function mesecon:add_receptor_node_off(name, rules, get_rules)
-	if get_rules==nil and rules==nil then
-		rules=mesecon:get_rules("default")
-	end
-	table.insert(mesecon.receptors_off, {name = name, rules = rules, get_rules = get_rules})
+	table.insert(mesecon.receptors, 
+		{onstate = onstate, 
+		 offstate = offstate, 
+		 rules = rules,
+		 get_rules = get_rules})
 end
 
 function mesecon:register_effector(onstate, offstate, input_rules, get_input_rules)
 	if get_input_rules==nil and input_rules==nil then
 		rules=mesecon:get_rules("default")
 	end
-	table.insert(mesecon.effectors, {onstate = onstate, offstate = offstate, input_rules = input_rules, get_input_rules = get_input_rules})
+	table.insert(mesecon.effectors, 
+		{onstate = onstate, 
+		 offstate = offstate, 
+		 input_rules = input_rules, 
+		 get_input_rules = get_input_rules})
 end
 
 function mesecon:receptor_on(pos, rules)
@@ -130,3 +130,5 @@ dofile(minetest.get_modpath("mesecons").."/wires.lua");
 
 --Services like turnoff receptor on dignode and so on
 dofile(minetest.get_modpath("mesecons").."/services.lua");
+--Deprecated stuff
+dofile(minetest.get_modpath("mesecons").."/legacy.lua");
diff --git a/mesecons/internal.lua b/mesecons/internal.lua
index 4270a22..71b5172 100644
--- a/mesecons/internal.lua
+++ b/mesecons/internal.lua
@@ -4,7 +4,7 @@
 function mesecon:is_receptor_node(nodename)
 	local i = 1
 	for i, receptor in ipairs(mesecon.receptors) do
-		if receptor.name == nodename then
+		if receptor.onstate == nodename then
 			return true
 		end
 		i = i + 1
@@ -14,8 +14,8 @@ end
 
 function mesecon:is_receptor_node_off(nodename, pos, ownpos)
 	local i = 1
-	for i, receptor in ipairs(mesecon.receptors_off) do
-		if receptor.name == nodename then
+	for i, receptor in ipairs(mesecon.receptors) do
+		if receptor.offstate == nodename then
 			return true
 		end
 		i = i + 1
@@ -25,7 +25,7 @@ end
 
 function mesecon:receptor_get_rules(node)
 	for i, receptor in ipairs(mesecon.receptors) do
-		if receptor.name == node.name then
+		if receptor.onstate == node.name or receptor.offstate == node.name then
 			if receptor.get_rules ~= nil then
 				return receptor.get_rules(node.param2)
 			elseif mesecon.receptors[i].rules ~=nil then
@@ -35,18 +35,6 @@ function mesecon:receptor_get_rules(node)
 			end
 		end
 	end
-
-	for i, receptor in ipairs(mesecon.receptors_off) do
-		if receptor.name == node.name then
-			if receptor.get_rules ~= nil then
-				return receptor.get_rules(node.param2)
-			elseif mesecon.receptors_off[i].rules ~=nil then
-				return receptor.rules
-			else
-				return mesecon:get_rules("default")
-			end
-		end
-	end
 	return nil
 end
 
diff --git a/mesecons/legacy.lua b/mesecons/legacy.lua
new file mode 100644
index 0000000..4fd73dd
--- /dev/null
+++ b/mesecons/legacy.lua
@@ -0,0 +1,13 @@
+function mesecon:add_receptor_node(name, rules, get_rules)
+	if get_rules==nil and rules==nil then
+		rules=mesecon:get_rules("default")
+	end
+	table.insert(mesecon.receptors, {onstate = name, rules = rules, get_rules = get_rules})
+end
+
+function mesecon:add_receptor_node_off(name, rules, get_rules)
+	if get_rules==nil and rules==nil then
+		rules=mesecon:get_rules("default")
+	end
+	table.insert(mesecon.receptors, {offstate = name, rules = rules, get_rules = get_rules})
+end
diff --git a/mesecons_switch/init.lua b/mesecons_switch/init.lua
index 1213f6e..a8b3415 100644
--- a/mesecons_switch/init.lua
+++ b/mesecons_switch/init.lua
@@ -15,8 +15,7 @@ minetest.register_node("mesecons_switch:mesecon_switch_on", {
 	description="Switch",
 })
 
-mesecon:add_receptor_node("mesecons_switch:mesecon_switch_on")
-mesecon:add_receptor_node_off("mesecons_switch:mesecon_switch_off")
+mesecon:register_receptor("mesecons_switch:mesecon_switch_on", "mesecons_switch:mesecon_switch_off")
 
 minetest.register_on_punchnode(function(pos, node, puncher)
 	if node.name == "mesecons_switch:mesecon_switch_on" then