From f221aeb06655e9753b4404737c95f505397c81aa Mon Sep 17 00:00:00 2001
From: Anthony Zhang <azhang9@gmail.com>
Date: Mon, 9 Jan 2012 20:52:19 -0500
Subject: Update position finding code and fix indentation.

---
 jeija/temperest.lua | 291 ++++++++++++++++++++++++++++------------------------
 1 file changed, 159 insertions(+), 132 deletions(-)

diff --git a/jeija/temperest.lua b/jeija/temperest.lua
index e8fb84d..8bd9507 100644
--- a/jeija/temperest.lua
+++ b/jeija/temperest.lua
@@ -1,182 +1,209 @@
 --TEMPEREST-PLUG
 
 minetest.register_node("jeija:mesecon_plug", {
-    drawtype = "raillike",
-    paramtype = "light",
-    is_ground_content = true,
-    tile_images = {"jeija_mesecon_plug.png"},
-    inventory_image = "jeija_mesecon_plug.png",
-    material = minetest.digprop_constanttime(0.1),
-    walkable = false,
-    selection_box = {
-        type = "fixed",
-    },
+	drawtype = "raillike",
+	paramtype = "light",
+	is_ground_content = true,
+	tile_images = {"jeija_mesecon_plug.png"},
+	inventory_image = "jeija_mesecon_plug.png",
+	material = minetest.digprop_constanttime(0.1),
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+	},
 })
 
 mesecon:register_on_signal_on(function(pos, node)
-    if node.name=="jeija:mesecon_plug" then
-        for x = -2,2,2 do
-        for z = -2,2,2 do
-            lpos = {x=pos.x+x, y=pos.y, z=pos.z+z}
-            lnode = minetest.env:get_node(lpos)
-            if lnode.name=="jeija:mesecon_socket_off" then
-                minetest.env:add_node(lpos, {name="jeija:mesecon_socket_on"})
-                nodeupdate(lpos)
-                mesecon:receptor_on(lpos)
-            elseif lnode.name=="jeija:mesecon_inverter_on" then
-                minetest.env:add_node(lpos, {name="jeija:mesecon_inverter_off"})
-                nodeupdate(lpos)
-                mesecon:receptor_off(lpos)
-            end
-        end
-        end
-    end
+	if node.name=="jeija:mesecon_plug" then
+	local set_node_on = function(pos)
+	node = minetest.env:get_node(pos)
+	if node.name=="jeija:mesecon_socket_off" then
+		minetest.env:add_node(pos, {name="jeija:mesecon_socket_on"})
+		nodeupdate(pos)
+		mesecon:receptor_on(pos)
+	elseif node.name=="jeija:mesecon_inverter_on" then
+		minetest.env:add_node(pos, {name="jeija:mesecon_inverter_off"})
+		nodeupdate(pos)
+		mesecon:receptor_off(pos)
+	end
+	end
+	
+	lnode = minetest.env:get_node({x=pos.x-1, y=pos.y, z=pos.z}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_on({x=pos.x-2, y=pos.y, z=pos.z}) end
+	
+	lnode = minetest.env:get_node({x=pos.x+1, y=pos.y, z=pos.z}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_on({x=pos.x+2, y=pos.y, z=pos.z}) end
+	
+	lnode = minetest.env:get_node({x=pos.x, y=pos.y, z=pos.z-1}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_on({x=pos.x, y=pos.y, z=pos.z-2}) end
+	
+	lnode = minetest.env:get_node({x=pos.x, y=pos.y, z=pos.z+1}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_on({x=pos.x-2, y=pos.y, z=pos.z+2}) end
+	end
 end)
 
 mesecon:register_on_signal_off(function(pos, node)
-    if node.name=="jeija:mesecon_plug" then
-        for x = -2,2,2 do
-        for z = -2,2,2 do
-            lpos = {x=pos.x+x, y=pos.y, z=pos.z+z}
-            lnode = minetest.env:get_node(lpos)
-            if lnode.name=="jeija:mesecon_socket_on" then
-                minetest.env:add_node(lpos, {name="jeija:mesecon_socket_off"})
-                nodeupdate(lpos)
-                mesecon:receptor_off(lpos)
-            elseif lnode.name=="jeija:mesecon_inverter_off" then
-                minetest.env:add_node(lpos, {name="jeija:mesecon_inverter_on"})
-                nodeupdate(lpos)
-                mesecon:receptor_on(lpos)
-            end
-        end
-        end
-    end
+	if node.name=="jeija:mesecon_plug" then
+	local set_node_off = function(pos)
+	node = minetest.env:get_node(pos)
+	if node.name=="jeija:mesecon_socket_on" then
+		minetest.env:add_node(pos, {name="jeija:mesecon_socket_off"})
+		nodeupdate(pos)
+		mesecon:receptor_off(pos)
+	elseif node.name=="jeija:mesecon_inverter_off" then
+		minetest.env:add_node(pos, {name="jeija:mesecon_inverter_on"})
+		nodeupdate(pos)
+		mesecon:receptor_on(pos)
+	end
+	end
+	
+	lnode = minetest.env:get_node({x=pos.x-1, y=pos.y, z=pos.z}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_off({x=pos.x-2, y=pos.y, z=pos.z}) end
+	
+	lnode = minetest.env:get_node({x=pos.x+1, y=pos.y, z=pos.z}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_off({x=pos.x+2, y=pos.y, z=pos.z}) end
+	
+	lnode = minetest.env:get_node({x=pos.x, y=pos.y, z=pos.z-1}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_off({x=pos.x, y=pos.y, z=pos.z-2}) end
+	
+	lnode = minetest.env:get_node({x=pos.x, y=pos.y, z=pos.z+1}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_off({x=pos.x-2, y=pos.y, z=pos.z+2}) end
+	end
 end)
 
 minetest.register_on_dignode(function(pos, oldnode, digger)
-    if oldnode.name == "jeija:mesecon_plug" then
-        for x = -2,2,2 do
-        for z = -2,2,2 do
-            lpos = {x=pos.x+x, y=pos.y, z=pos.z+z}
-            lnode = minetest.env:get_node(lpos)
-            if lnode.name=="jeija:mesecon_socket_on" then
-                minetest.env:add_node(lpos, {name="jeija:mesecon_socket_off"})
-                nodeupdate(lpos)
-                mesecon:receptor_off(lpos)
-            elseif lnode.name=="jeija:mesecon_inverter_on" then
-                minetest.env:add_node(lpos, {name="jeija:mesecon_inverter_off"})
-                nodeupdate(lpos)
-                mesecon:receptor_off(lpos)
-            end
-        end
-        end
-    end
+	if oldnode.name == "jeija:mesecon_plug" then
+	local set_node_deactivated = function(pos)
+	node = minetest.env:get_node(pos)
+	if node.name=="jeija:mesecon_socket_on" then
+		minetest.env:add_node(pos, {name="jeija:mesecon_socket_off"})
+		nodeupdate(pos)
+		mesecon:receptor_off(pos)
+	elseif node.name=="jeija:mesecon_inverter_on" then
+		minetest.env:add_node(pos, {name="jeija:mesecon_inverter_off"})
+		nodeupdate(pos)
+		mesecon:receptor_off(pos)
+	end
+	end
+	
+	lnode = minetest.env:get_node({x=pos.x-1, y=pos.y, z=pos.z}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_deactivated({x=pos.x-2, y=pos.y, z=pos.z}) end
+	
+	lnode = minetest.env:get_node({x=pos.x+1, y=pos.y, z=pos.z}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_deactivated({x=pos.x+2, y=pos.y, z=pos.z}) end
+	
+	lnode = minetest.env:get_node({x=pos.x, y=pos.y, z=pos.z-1}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_deactivated({x=pos.x, y=pos.y, z=pos.z-2}) end
+	
+	lnode = minetest.env:get_node({x=pos.x, y=pos.y, z=pos.z+1}) --a node between this node and the one two nodes away
+	if lnode.name=="air" then set_node_deactivated({x=pos.x-2, y=pos.y, z=pos.z+2}) end
+	end
 end)
 
 
 minetest.register_craft({
-    output = 'node "jeija:mesecon_plug" 2',
-    recipe = {
-        {'', 'node "jeija:mesecon_off"', ''},
-        {'node "jeija:mesecon_off"', 'craft "default:steel_ingot"', 'node "jeija:mesecon_off"'},
-        {'', 'node "jeija:mesecon_off"', ''},
-    }
+	output = 'node "jeija:mesecon_plug" 2',
+	recipe = {
+		{'', 'node "jeija:mesecon_off"', ''},
+		{'node "jeija:mesecon_off"', 'craft "default:steel_ingot"', 'node "jeija:mesecon_off"'},
+		{'', 'node "jeija:mesecon_off"', ''},
+	}
 })
 
 --TEMPEREST-SOCKET
 
 minetest.register_node("jeija:mesecon_socket_off", {
-    drawtype = "raillike",
-    paramtype = "light",
-    is_ground_content = true,
-    tile_images = {"jeija_mesecon_socket_off.png"},
-    inventory_image = "jeija_mesecon_socket_off.png",
-    material = minetest.digprop_constanttime(0.1),
-    walkable = false,
-    selection_box = {
-        type = "fixed",
-    },
+	drawtype = "raillike",
+	paramtype = "light",
+	is_ground_content = true,
+	tile_images = {"jeija_mesecon_socket_off.png"},
+	inventory_image = "jeija_mesecon_socket_off.png",
+	material = minetest.digprop_constanttime(0.1),
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+	},
 })
 
 minetest.register_node("jeija:mesecon_socket_on", {
-    drawtype = "raillike",
-    paramtype = "light",
-    is_ground_content = true,
-    tile_images = {"jeija_mesecon_socket_on.png"},
-    inventory_image = "jeija_mesecon_socket_on.png",
-    material = minetest.digprop_constanttime(0.1),
-    walkable = false,
-    selection_box = {
-        type = "fixed",
-    },
-    dug_item='node "jeija:mesecon_socket_off" 1',
+	drawtype = "raillike",
+	paramtype = "light",
+	is_ground_content = true,
+	tile_images = {"jeija_mesecon_socket_on.png"},
+	inventory_image = "jeija_mesecon_socket_on.png",
+	material = minetest.digprop_constanttime(0.1),
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+	},
+	dug_item='node "jeija:mesecon_socket_off" 1',
 })
 
 minetest.register_on_dignode(
-    function(pos, oldnode, digger)
-        if oldnode.name == "jeija:mesecon_socket_on" then
-            mesecon:receptor_off(pos)
-        end
-    end
+	function(pos, oldnode, digger)
+		if oldnode.name == "jeija:mesecon_socket_on" then
+			mesecon:receptor_off(pos)
+		end
+	end
 )
 
 mesecon:add_receptor_node("jeija:mesecon_socket_on")
 mesecon:add_receptor_node_off("jeija:mesecon_socket_off")
 
 minetest.register_craft({
-    output = 'node "jeija:mesecon_socket_off" 2',
-    recipe = {
-        {'', 'craft "default:steel_ingot"', ''},
-        {'craft "default:steel_ingot"', 'node "jeija:mesecon_off"', 'craft "default:steel_ingot"'},
-        {'', 'craft "default:steel_ingot"', ''},
-    }
+	output = 'node "jeija:mesecon_socket_off" 2',
+	recipe = {
+		{'', 'craft "default:steel_ingot"', ''},
+		{'craft "default:steel_ingot"', 'node "jeija:mesecon_off"', 'craft "default:steel_ingot"'},
+		{'', 'craft "default:steel_ingot"', ''},
+	}
 })
 
 --TEMPEREST-INVERTER
 
 minetest.register_node("jeija:mesecon_inverter_off", {
-    drawtype = "raillike",
-    paramtype = "light",
-    is_ground_content = true,
-    tile_images = {"jeija_mesecon_inverter_off.png"},
-    inventory_image = "jeija_mesecon_inverter_off.png",
-    material = minetest.digprop_constanttime(0.1),
-    walkable = false,
-    selection_box = {
-        type = "fixed",
-    },
+	drawtype = "raillike",
+	paramtype = "light",
+	is_ground_content = true,
+	tile_images = {"jeija_mesecon_inverter_off.png"},
+	inventory_image = "jeija_mesecon_inverter_off.png",
+	material = minetest.digprop_constanttime(0.1),
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+	},
 })
 
 minetest.register_node("jeija:mesecon_inverter_on", {
-    drawtype = "raillike",
-    paramtype = "light",
-    is_ground_content = true,
-    tile_images = {"jeija_mesecon_inverter_on.png"},
-    inventory_image = "jeija_mesecon_inverter_on.png",
-    material = minetest.digprop_constanttime(0.1),
-    walkable = false,
-    selection_box = {
-        type = "fixed",
-    },
-    dug_item='node "jeija:mesecon_inverter_off" 1',
+	drawtype = "raillike",
+	paramtype = "light",
+	is_ground_content = true,
+	tile_images = {"jeija_mesecon_inverter_on.png"},
+	inventory_image = "jeija_mesecon_inverter_on.png",
+	material = minetest.digprop_constanttime(0.1),
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+	},
+	dug_item='node "jeija:mesecon_inverter_off" 1',
 })
 
 minetest.register_on_dignode(
-    function(pos, oldnode, digger)
-        if oldnode.name == "jeija:mesecon_inverter_on" then
-            mesecon:receptor_off(pos)
-        end
-    end
+	function(pos, oldnode, digger)
+		if oldnode.name == "jeija:mesecon_inverter_on" then
+			mesecon:receptor_off(pos)
+		end
+	end
 )
 
 mesecon:add_receptor_node("jeija:mesecon_inverter_on")
 mesecon:add_receptor_node_off("jeija:mesecon_inverter_off")
 
 minetest.register_craft({
-    output = 'node "jeija:mesecon_inverter_off" 2',
-    recipe = {
-        {'node "jeija:mesecon_off"', 'craft "default:steel_ingot"', 'node "jeija:mesecon_off"'},
-        {'craft "default:steel_ingot"', '', 'craft "default:steel_ingot"'},
-        {'node "jeija:mesecon_off"', 'craft "default:steel_ingot"', 'node "jeija:mesecon_off"'},
-    }
-})
+	output = 'node "jeija:mesecon_inverter_off" 2',
+	recipe = {
+		{'node "jeija:mesecon_off"', 'craft "default:steel_ingot"', 'node "jeija:mesecon_off"'},
+		{'craft "default:steel_ingot"', '', 'craft "default:steel_ingot"'},
+		{'node "jeija:mesecon_off"', 'craft "default:steel_ingot"', 'node "jeija:mesecon_off"'},
+	}
+})
\ No newline at end of file
-- 
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