From a6641f0d20c574c250b0e14300c6fbc15a544bcd Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Sun, 19 Aug 2012 01:56:30 -0400
Subject: [PATCH] Pumps and valves now fully participate in the
 auto-rotate/auto-route process. These devices can only be connected to
 horizontal pipes or to each other.  Note that only the device being placed
 and the pipes around it will adapt; if you have a valve and pump next to one
 another and they won't connect, put a piece of pipe at one end to show the
 auto-rotator which way they should go.  Removal of a pipe or device will not
 change the orientation of surrounding devices.

---
 autoplace.lua                              | 104 +++++++
 devices.lua                                | 253 ++++++++++++++++
 init.lua                                   | 317 ++++-----------------
 textures/pipeworks_pump_top_x.png          | Bin 0 -> 5389 bytes
 textures/pipeworks_pump_top_z.png          | Bin 0 -> 5207 bytes
 textures/pipeworks_valvebody_top_off_x.png | Bin 0 -> 4557 bytes
 textures/pipeworks_valvebody_top_off_z.png | Bin 0 -> 4768 bytes
 textures/pipeworks_valvebody_top_on_x.png  | Bin 0 -> 4559 bytes
 textures/pipeworks_valvebody_top_on_z.png  | Bin 0 -> 4726 bytes
 9 files changed, 418 insertions(+), 256 deletions(-)
 create mode 100644 autoplace.lua
 create mode 100644 devices.lua
 create mode 100644 textures/pipeworks_pump_top_x.png
 create mode 100644 textures/pipeworks_pump_top_z.png
 create mode 100644 textures/pipeworks_valvebody_top_off_x.png
 create mode 100644 textures/pipeworks_valvebody_top_off_z.png
 create mode 100644 textures/pipeworks_valvebody_top_on_x.png
 create mode 100644 textures/pipeworks_valvebody_top_on_z.png

diff --git a/autoplace.lua b/autoplace.lua
new file mode 100644
index 0000000..2b9a92f
--- /dev/null
+++ b/autoplace.lua
@@ -0,0 +1,104 @@
+
+function pipe_autoroute(pos, state)
+
+	nctr = minetest.env:get_node(pos)
+	if (string.find(nctr.name, "pipeworks:pipe_") == nil) then return end
+
+	pxm=0
+	pxp=0
+	pym=0
+	pyp=0
+	pzm=0
+	pzp=0
+
+	nxm = minetest.env:get_node({ x=pos.x-1, y=pos.y  , z=pos.z   })
+	nxp = minetest.env:get_node({ x=pos.x+1, y=pos.y  , z=pos.z   })
+	nym = minetest.env:get_node({ x=pos.x  , y=pos.y-1, z=pos.z   })
+	nyp = minetest.env:get_node({ x=pos.x  , y=pos.y+1, z=pos.z   })
+	nzm = minetest.env:get_node({ x=pos.x  , y=pos.y  , z=pos.z-1 })
+	nzp = minetest.env:get_node({ x=pos.x  , y=pos.y  , z=pos.z+1 })
+
+	if (string.find(nxm.name, "pipeworks:pipe_") ~= nil) then pxm=1 end
+	if (string.find(nxp.name, "pipeworks:pipe_") ~= nil) then pxp=1 end
+	if (string.find(nym.name, "pipeworks:pipe_") ~= nil) then pym=1 end
+	if (string.find(nyp.name, "pipeworks:pipe_") ~= nil) then pyp=1 end
+	if (string.find(nzm.name, "pipeworks:pipe_") ~= nil) then pzm=1 end
+	if (string.find(nzp.name, "pipeworks:pipe_") ~= nil) then pzp=1 end
+
+	pipe_checkfordevice(pos, "valve")
+	pipe_checkfordevice(pos, "pump")
+	
+	nsurround = pxm..pxp..pym..pyp..pzm..pzp
+	
+	if nsurround == "000000" then nsurround = "110000" end
+
+	minetest.env:add_node(pos, { name = "pipeworks:pipe_"..nsurround..state })
+end
+
+function pipe_device_autorotate(pos, state, bname)
+
+	local nctr = minetest.env:get_node(pos)
+
+	pxm=0
+	pxp=0
+	pzm=0
+	pzp=0
+
+	nxm = minetest.env:get_node({ x=pos.x-1, y=pos.y  , z=pos.z   })
+	nxp = minetest.env:get_node({ x=pos.x+1, y=pos.y  , z=pos.z   })
+	nzm = minetest.env:get_node({ x=pos.x  , y=pos.y  , z=pos.z-1 })
+	nzp = minetest.env:get_node({ x=pos.x  , y=pos.y  , z=pos.z+1 })
+
+	if (string.find(nxm.name, "pipeworks:pipe_") ~= nil) then pxm=1 end
+	if (string.find(nxp.name, "pipeworks:pipe_") ~= nil) then pxp=1 end
+	if (string.find(nzm.name, "pipeworks:pipe_") ~= nil) then pzm=1 end
+	if (string.find(nzp.name, "pipeworks:pipe_") ~= nil) then pzp=1 end
+
+	pipe_checkfordevice(pos, "pump")
+	pipe_checkfordevice(pos, "valve")
+
+	if (pxm+pxp) ~= 0 then
+		minetest.env:add_node(pos, { name = bname..state.."_x" })
+		return
+	end
+
+	if (pzm+pzp) ~= 0 then
+		minetest.env:add_node(pos, { name = bname..state.."_z" })
+	end
+	
+end
+
+pipe_checkfordevice = function(pos, bname)
+	if (string.find(nxm.name, "pipeworks:"..bname.."_off_x") ~= nil) or
+	   (string.find(nxm.name, "pipeworks:"..bname.."_on_x") ~= nil) then
+		pxm=1
+	end
+
+	if (string.find(nxp.name, "pipeworks:"..bname.."_off_x") ~= nil) or
+	   (string.find(nxp.name, "pipeworks:"..bname.."_on_x") ~= nil) then
+		pxp=1
+	end
+
+	if (string.find(nzm.name, "pipeworks:"..bname.."_off_z") ~= nil) or
+	   (string.find(nzm.name, "pipeworks:"..bname.."_on_z") ~= nil) then
+		pzm=1
+	end
+
+	if (string.find(nzp.name, "pipeworks:"..bname.."_off_z") ~= nil) or
+	   (string.find(nzp.name, "pipeworks:"..bname.."_on_z") ~= nil) then
+		pzp=1
+	end
+end
+
+pipe_scanforobjects = function(pos)
+	pipe_autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_loaded")
+	pipe_autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_loaded")
+	pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_loaded")
+	pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_loaded")
+
+	pipe_autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_empty")
+	pipe_autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_empty")
+	pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_empty")
+	pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_empty")
+end
+
diff --git a/devices.lua b/devices.lua
new file mode 100644
index 0000000..cd78e0e
--- /dev/null
+++ b/devices.lua
@@ -0,0 +1,253 @@
+-- tables
+
+minetest.register_alias("pipeworks:pump", "pipeworks:pump_off_x")
+minetest.register_alias("pipeworks:pump_off", "pipeworks:pump_off_x")
+minetest.register_alias("pipeworks:valve", "pipeworks:valve_off_x")
+minetest.register_alias("pipeworks:valve_off", "pipeworks:valve_off_x")
+
+pipe_pumpbody_x = {
+	{ -6/16, -8/16, -6/16, 6/16, 8/16, 6/16 }
+}
+
+pipe_pumpbody_z = {
+	{ -6/16, -8/16, -6/16, 6/16, 8/16, 6/16 }
+}
+
+pipe_valvebody_x = {
+	{ -4/16, -4/16, -4/16, 4/16, 4/16, 4/16 }
+}
+
+pipe_valvebody_z = {
+	{ -4/16, -4/16, -4/16, 4/16, 4/16, 4/16 }
+}
+
+pipe_valvehandle_on_x = {
+	{ -5/16, 4/16, -1/16, 0, 5/16, 1/16 }
+}
+
+pipe_valvehandle_on_z = {
+	{ -1/16, 4/16, -5/16, 1/16, 5/16, 0 }
+}
+
+pipe_valvehandle_off_x = {
+	{ -1/16, 4/16, -5/16, 1/16, 5/16, 0 }
+}
+
+pipe_valvehandle_off_z = {
+	{ -5/16, 4/16, -1/16, 0, 5/16, 1/16 }
+}
+
+-- Now define the nodes.
+
+local states = { "on", "off" }
+local dgroups = ""
+
+for s in ipairs(states) do
+
+	if s == "off" then
+		dgroups = {snappy=3, pipe=1}
+	else
+		dgroups = {snappy=3, pipe=1, not_in_creative_inventory=1}
+	end
+
+	local pumpboxes = {}
+	pipe_addbox(pumpboxes, pipe_leftstub)
+	pipe_addbox(pumpboxes, pipe_pumpbody_x)
+	pipe_addbox(pumpboxes, pipe_rightstub)
+	local tilex = "pipeworks_pump_ends.png"
+	local tilez = "pipeworks_pump_"..states[s]..".png"
+
+	minetest.register_node("pipeworks:pump_"..states[s].."_x", {
+		description = "Pump Module ("..states[s]..")",
+		drawtype = "nodebox",
+		tiles = {
+			"pipeworks_pump_top_x.png",
+			"pipeworks_pump_sides.png",
+			tilex,
+			tilex,
+			tilez,
+			tilez
+		},
+		paramtype = "light",
+		selection_box = {
+	             	type = "fixed",
+			fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 }
+		},
+		node_box = {
+			type = "fixed",
+			fixed = pumpboxes
+		},
+		groups = dgroups,
+		sounds = default.node_sound_wood_defaults(),
+		walkable = true,
+		stack_max = 99,
+		after_place_node = function(pos)
+			pipe_device_autorotate(pos, states[s], "pipeworks:pump_")
+			pipe_scanforobjects(pos)
+		end,
+		after_dig_node = function(pos)
+			pipe_scanforobjects(pos)
+		end,
+		drop = "pipeworks:pump_off_x"
+	})
+	
+	local pumpboxes = {}
+	pipe_addbox(pumpboxes, pipe_frontstub)
+	pipe_addbox(pumpboxes, pipe_pumpbody_z)
+	pipe_addbox(pumpboxes, pipe_backstub)
+
+	minetest.register_node("pipeworks:pump_"..states[s].."_z", {
+		description = "Pump Module ("..states[s]..", Z-axis)",
+		drawtype = "nodebox",
+		tiles = {
+			"pipeworks_pump_top_z.png",
+			"pipeworks_pump_sides.png",
+			tilez,
+			tilez,
+			tilex,
+			tilex
+		},
+		paramtype = "light",
+		selection_box = {
+	             	type = "fixed",
+			fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 }
+		},
+		node_box = {
+			type = "fixed",
+			fixed = pumpboxes
+		},
+		groups = {snappy=3, pipe=1, not_in_creative_inventory=1},
+		sounds = default.node_sound_wood_defaults(),
+		walkable = true,
+		stack_max = 99,
+		after_place_node = function(pos)
+			pipe_device_autorotate(pos, states[s], "pipeworks:pump_")
+			pipe_scanforobjects(pos)
+		end,
+		after_dig_node = function(pos)
+			pipe_scanforobjects(pos)
+		end,
+		drop = "pipeworks:pump_off_x"
+	})
+
+	local valveboxes = {}
+	pipe_addbox(valveboxes, pipe_leftstub)
+	pipe_addbox(valveboxes, pipe_valvebody_x)
+	if states[s] == "off" then 
+		pipe_addbox(valveboxes, pipe_valvehandle_off_x)
+	else
+		pipe_addbox(valveboxes, pipe_valvehandle_on_x)
+	end
+	pipe_addbox(valveboxes, pipe_rightstub)
+	local tilex = "pipeworks_valvebody_ends.png"
+	local tilez = "pipeworks_valvebody_sides.png"
+
+	minetest.register_node("pipeworks:valve_"..states[s].."_x", {
+		description = "Valve ("..states[s]..")",
+		drawtype = "nodebox",
+		tiles = {
+			"pipeworks_valvebody_top_"..states[s].."_x.png",
+			"pipeworks_valvebody_bottom.png",
+			tilex,
+			tilex,
+			tilez,
+			tilez,
+		},
+		paramtype = "light",
+		selection_box = {
+	             	type = "fixed",
+			fixed = { -8/16, -4/16, -5/16, 8/16, 5/16, 5/16 }
+		},
+		node_box = {
+			type = "fixed",
+			fixed = valveboxes
+		},
+		groups = dgroups,
+		sounds = default.node_sound_wood_defaults(),
+		walkable = true,
+		stack_max = 99,
+		after_place_node = function(pos)
+			pipe_device_autorotate(pos, states[s], "pipeworks:valve_")
+			pipe_scanforobjects(pos)
+		end,
+		after_dig_node = function(pos)
+			pipe_scanforobjects(pos)
+		end,
+		drop = "pipeworks:valve_off_x"
+	})
+
+	local valveboxes = {}
+	pipe_addbox(valveboxes, pipe_frontstub)
+	pipe_addbox(valveboxes, pipe_valvebody_z)
+	if states[s] == "off" then 
+		pipe_addbox(valveboxes, pipe_valvehandle_off_z)
+	else
+		pipe_addbox(valveboxes, pipe_valvehandle_on_z)
+	end
+	pipe_addbox(valveboxes, pipe_backstub)
+
+	minetest.register_node("pipeworks:valve_"..states[s].."_z", {
+		description = "Valve ("..states[s]..", Z-axis)",
+		drawtype = "nodebox",
+		tiles = {
+			"pipeworks_valvebody_top_"..states[s].."_z.png",
+			"pipeworks_valvebody_bottom.png",
+			tilez,
+			tilez,
+			tilex,
+			tilex,
+		},
+		paramtype = "light",
+		selection_box = {
+	             	type = "fixed",
+			fixed = { -5/16, -4/16, -8/16, 5/16, 5/16, 8/16 }
+		},
+		node_box = {
+			type = "fixed",
+			fixed = valveboxes
+		},
+		groups = {snappy=3, pipe=1, not_in_creative_inventory=1},
+		sounds = default.node_sound_wood_defaults(),
+		walkable = true,
+		stack_max = 99,
+		after_place_node = function(pos)
+			pipe_device_autorotate(pos, states[s], "pipeworks:valve_")
+			pipe_scanforobjects(pos)
+
+		end,
+		after_dig_node = function(pos)
+			pipe_scanforobjects(pos)
+		end,
+		drop = "pipeworks:valve_off_x"
+	})
+end
+
+local axes = { "x", "z" }
+
+for a in ipairs(axes) do
+	minetest.register_on_punchnode(function (pos, node)
+		if node.name=="pipeworks:valve_on_"..axes[a] then 
+			minetest.env:add_node(pos, { name = "pipeworks:valve_off_"..axes[a] })
+		end
+	end)
+
+	minetest.register_on_punchnode(function (pos, node)
+		if node.name=="pipeworks:valve_off_"..axes[a] then 
+			minetest.env:add_node(pos, { name = "pipeworks:valve_on_"..axes[a] })
+		end
+	end)
+
+	minetest.register_on_punchnode(function (pos, node)
+		if node.name=="pipeworks:pump_on_"..axes[a] then 
+			minetest.env:add_node(pos, { name = "pipeworks:pump_off_"..axes[a] })
+		end
+	end)
+
+	minetest.register_on_punchnode(function (pos, node)
+		if node.name=="pipeworks:pump_off_"..axes[a] then 
+			minetest.env:add_node(pos, { name = "pipeworks:pump_on_"..axes[a] })
+		end
+	end)
+end
+
+print("Pipeworks loaded!")
diff --git a/init.lua b/init.lua
index f941d65..2c62afa 100644
--- a/init.lua
+++ b/init.lua
@@ -13,7 +13,7 @@ dofile(minetest.get_modpath("pipeworks").."/oldpipes.lua")
 
 minetest.register_alias("pipeworks:pipe", "pipeworks:pipe_000000_empty")
 
-local leftstub = {
+pipe_leftstub = {
 	{ -32/64, -2/64, -6/64,   1/64, 2/64, 6/64 },	-- pipe segment against -X face
 	{ -32/64, -4/64, -5/64,   1/64, 4/64, 5/64 },
 	{ -32/64, -5/64, -4/64,   1/64, 5/64, 4/64 },
@@ -26,7 +26,7 @@ local leftstub = {
 	{ -32/64, -8/64, -3/64, -30/64, 8/64, 3/64 }
 }
 
-local rightstub = {
+pipe_rightstub = {
 	{ -1/64, -2/64, -6/64,  32/64, 2/64, 6/64 },	-- pipe segment against +X face
 	{ -1/64, -4/64, -5/64,  32/64, 4/64, 5/64 },
 	{ -1/64, -5/64, -4/64,  32/64, 5/64, 4/64 },
@@ -39,7 +39,7 @@ local rightstub = {
 	{ 30/64, -8/64, -3/64, 32/64, 8/64, 3/64 }
 }
 
-local bottomstub = {
+pipe_bottomstub = {
 	{ -2/64, -32/64, -6/64,   2/64, 1/64, 6/64 },	-- pipe segment against -Y face
 	{ -4/64, -32/64, -5/64,   4/64, 1/64, 5/64 },
 	{ -5/64, -32/64, -4/64,   5/64, 1/64, 4/64 },
@@ -53,7 +53,7 @@ local bottomstub = {
 }
 
 
-local topstub = {
+pipe_topstub = {
 	{ -2/64, -1/64, -6/64,   2/64, 32/64, 6/64 },	-- pipe segment against +Y face
 	{ -4/64, -1/64, -5/64,   4/64, 32/64, 5/64 },
 	{ -5/64, -1/64, -4/64,   5/64, 32/64, 4/64 },
@@ -66,7 +66,7 @@ local topstub = {
 	{ -8/64, 30/64, -3/64, 8/64, 32/64, 3/64 }
 }
 
-local frontstub = {
+pipe_frontstub = {
 	{ -6/64, -2/64, -32/64,   6/64, 2/64, 1/64 },	-- pipe segment against -Z face
 	{ -5/64, -4/64, -32/64,   5/64, 4/64, 1/64 },
 	{ -4/64, -5/64, -32/64,   4/64, 5/64, 1/64 },
@@ -79,7 +79,7 @@ local frontstub = {
 	{ -3/64, -8/64, -32/64, 3/64, 8/64, -30/64 }
 }
 
-local backstub = {
+pipe_backstub = {
 	{ -6/64, -2/64, -1/64,   6/64, 2/64, 32/64 },	-- pipe segment against -Z face
 	{ -5/64, -4/64, -1/64,   5/64, 4/64, 32/64 },
 	{ -4/64, -5/64, -1/64,   4/64, 5/64, 32/64 },
@@ -92,7 +92,7 @@ local backstub = {
 	{ -3/64, -8/64, 30/64, 3/64, 8/64, 32/64 }
 } 
 
-local selectboxes = {
+pipe_selectboxes = {
 	{ -32/64,  -8/64,  -8/64,  8/64,  8/64,  8/64 },
 	{ -8/64 ,  -8/64,  -8/64, 32/64,  8/64,  8/64 },
 	{ -8/64 , -32/64,  -8/64,  8/64,  8/64,  8/64 },
@@ -101,33 +101,16 @@ local selectboxes = {
 	{ -8/64 ,  -8/64,  -8/64,  8/64,  8/64, 32/64 }
 }
 
-bendsphere = {	
+pipe_bendsphere = {	
 	{ -4/64, -4/64, -4/64, 4/64, 4/64, 4/64 },
 	{ -5/64, -3/64, -3/64, 5/64, 3/64, 3/64 },
 	{ -3/64, -5/64, -3/64, 3/64, 5/64, 3/64 },
 	{ -3/64, -3/64, -5/64, 3/64, 3/64, 5/64 }
 }
 
-pumpbody = {
-	{ -6/16, -8/16, -6/16, 6/16, 8/16, 6/16 }
-}
+--  Functions
 
-valvebody = {
-	{ -4/16, -4/16, -4/16, 4/16, 4/16, 4/16 }
-}
-
-valvehandle_on = {
-	{ -5/16, 4/16, -1/16, 0, 5/16, 1/16 }
-}
-
-valvehandle_off = {
-	{ -1/16, 4/16, -5/16, 1/16, 5/16, 0 }
-}
-
-
--- Local Functions
-
-local dbg = function(s)
+dbg = function(s)
 	if DEBUG == 1 then
 		print('[PIPEWORKS] ' .. s)
 	end
@@ -142,45 +125,12 @@ function fix_newpipe_names(table, replacement)
 	return outtable
 end
 
-local function addbox(t, b)
+function pipe_addbox(t, b)
 	for i in ipairs(b)
 		do table.insert(t, b[i])
 	end
 end
 
-local function autoroute(pos, state)
-
-	local nctr = minetest.env:get_node(pos)
-	if (string.find(nctr.name, "pipeworks:pipe_") == nil) then return end
-
-	local pxm=0
-	local pxp=0
-	local pym=0
-	local pyp=0
-	local pzm=0
-	local pzp=0
-
-	local nxm = minetest.env:get_node({ x=pos.x-1, y=pos.y  , z=pos.z   })
-	local nxp = minetest.env:get_node({ x=pos.x+1, y=pos.y  , z=pos.z   })
-	local nym = minetest.env:get_node({ x=pos.x  , y=pos.y-1, z=pos.z   })
-	local nyp = minetest.env:get_node({ x=pos.x  , y=pos.y+1, z=pos.z   })
-	local nzm = minetest.env:get_node({ x=pos.x  , y=pos.y  , z=pos.z-1 })
-	local nzp = minetest.env:get_node({ x=pos.x  , y=pos.y  , z=pos.z+1 })
-
-	if (string.find(nxm.name, "pipeworks:pipe_") ~= nil) then pxm=1 end
-	if (string.find(nxp.name, "pipeworks:pipe_") ~= nil) then pxp=1 end
-	if (string.find(nym.name, "pipeworks:pipe_") ~= nil) then pym=1 end
-	if (string.find(nyp.name, "pipeworks:pipe_") ~= nil) then pyp=1 end
-	if (string.find(nzm.name, "pipeworks:pipe_") ~= nil) then pzm=1 end
-	if (string.find(nzp.name, "pipeworks:pipe_") ~= nil) then pzp=1 end
-
-	local nsurround = pxm..pxp..pym..pyp..pzm..pzp
-	
-	if nsurround == "000000" then nsurround = "110000" end
-
-	minetest.env:add_node(pos, { name = "pipeworks:pipe_"..nsurround..state })
-end
-
 -- now define the nodes!
 
 for xm = 0, 1 do
@@ -189,55 +139,56 @@ for ym = 0, 1 do
 for yp = 0, 1 do
 for zm = 0, 1 do
 for zp = 0, 1 do
-	outboxes = {}
-	outsel = {}
-	outimgs = {}
+	local outboxes = {}
+	local outsel = {}
+	local outimgs = {}
+
 	if yp==1 then
-		addbox(outboxes, topstub)
-		table.insert(outsel, selectboxes[4])
+		pipe_addbox(outboxes, pipe_topstub)
+		table.insert(outsel, pipe_selectboxes[4])
 		table.insert(outimgs, "pipeworks_pipe_end.png")
 	else
 		table.insert(outimgs, "pipeworks_plain.png")
 	end
 	if ym==1 then
-		addbox(outboxes, bottomstub)
-		table.insert(outsel, selectboxes[3])
+		pipe_addbox(outboxes, pipe_bottomstub)
+		table.insert(outsel, pipe_selectboxes[3])
 		table.insert(outimgs, "pipeworks_pipe_end.png")
 	else
 		table.insert(outimgs, "pipeworks_plain.png")
 	end
 	if xp==1 then
-		addbox(outboxes, rightstub)
-		table.insert(outsel, selectboxes[2])
+		pipe_addbox(outboxes, pipe_rightstub)
+		table.insert(outsel, pipe_selectboxes[2])
 		table.insert(outimgs, "pipeworks_pipe_end.png")
 	else
 		table.insert(outimgs, "pipeworks_plain.png")
 	end
 	if xm==1 then
-		addbox(outboxes, leftstub)
-		table.insert(outsel, selectboxes[1])
+		pipe_addbox(outboxes, pipe_leftstub)
+		table.insert(outsel, pipe_selectboxes[1])
 		table.insert(outimgs, "pipeworks_pipe_end.png")
 	else
 		table.insert(outimgs, "pipeworks_plain.png")
 	end
 	if zp==1 then
-		addbox(outboxes, backstub)
-		table.insert(outsel, selectboxes[6])
+		pipe_addbox(outboxes, pipe_backstub)
+		table.insert(outsel, pipe_selectboxes[6])
 		table.insert(outimgs, "pipeworks_pipe_end.png")
 	else
 		table.insert(outimgs, "pipeworks_plain.png")
 	end
 	if zm==1 then
-		addbox(outboxes, frontstub)
-		table.insert(outsel, selectboxes[5])
+		pipe_addbox(outboxes, pipe_frontstub)
+		table.insert(outsel, pipe_selectboxes[5])
 		table.insert(outimgs, "pipeworks_pipe_end.png")
 	else
 		table.insert(outimgs, "pipeworks_plain.png")
 	end
 
-	jx = xp+xm
-	jy = yp+ym
-	jz = zp+zm
+	local jx = xp+xm
+	local jy = yp+ym
+	local jz = zp+zm
 
 	if (jx+jy+jz) == 1 then
 		if xm == 1 then 
@@ -267,7 +218,7 @@ for zp = 0, 1 do
 	end
 
 	if (jx==1 and jy==1 and jz~=1) or (jx==1 and jy~=1 and jz==1) or (jx~= 1 and jy==1 and jz==1) then
-		addbox(outboxes, bendsphere)
+		pipe_addbox(outboxes, pipe_bendsphere)
 	end
 
 	if (jx==2 and jy~=2 and jz~=2) then
@@ -284,7 +235,8 @@ for zp = 0, 1 do
 		table.insert(outimgs, 3, "pipeworks_windowed_XXXXX.png")
 	end
 
-	pname = xm..xp..ym..yp..zm..zp
+	local pname = xm..xp..ym..yp..zm..zp
+	local pgroups = ""
 
 	if pname ~= "110000" then
 		pgroups = {snappy=3, pipe=1, not_in_creative_inventory=1}
@@ -313,21 +265,21 @@ for zp = 0, 1 do
 		stack_max = 99,
 		drop = "pipeworks:pipe_110000_empty",
 		after_place_node = function(pos)
-			autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_empty")
-			autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_empty")
-			autoroute(pos, "_empty")
+			pipe_autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_empty")
+			pipe_autoroute(pos, "_empty")
 		end,
 		after_dig_node = function(pos)
-			autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_empty")
-			autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_empty")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_empty")
+			pipe_autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_empty")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_empty")
 		end
 	})
 
@@ -350,21 +302,21 @@ for zp = 0, 1 do
 		stack_max = 99,
 		drop = "pipeworks:pipe_110000_loaded",
 		after_place_node = function(pos)
-			autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_loaded")
-			autoroute(pos, "_loaded")
+			pipe_autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_loaded")
+			pipe_autoroute(pos, "_loaded")
 		end,
 		after_dig_node = function(pos)
-			autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_loaded")
-			autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_loaded")
+			pipe_autoroute({ x=pos.x-1, y=pos.y  , z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x+1, y=pos.y  , z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y-1, z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y+1, z=pos.z   }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z-1 }, "_loaded")
+			pipe_autoroute({ x=pos.x  , y=pos.y  , z=pos.z+1 }, "_loaded")
 		end
 	})
 end
@@ -374,154 +326,7 @@ end
 end
 end
 
--- the pump module
-
-pumpboxes = {}
-addbox(pumpboxes, leftstub)
-addbox(pumpboxes, pumpbody)
-addbox(pumpboxes, rightstub)
-
-minetest.register_node("pipeworks:pump_on", {
-	description = "Pump Module (on)",
-	drawtype = "nodebox",
-	tiles = {
-		"pipeworks_pump_sides.png",
-		"pipeworks_pump_sides.png",
-		"pipeworks_pump_ends.png",
-		"pipeworks_pump_ends.png",
-		"pipeworks_pump_on.png",
-		"pipeworks_pump_on.png"
-	},
-	paramtype = "light",
-	selection_box = {
-             	type = "fixed",
-		fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 }
-	},
-	node_box = {
-		type = "fixed",
-		fixed = pumpboxes
-	},
-	groups = {snappy=3, pipe=1, not_in_creative_inventory=1},
-	sounds = default.node_sound_wood_defaults(),
-	walkable = true,
-	stack_max = 99,
-})
-
-minetest.register_node("pipeworks:pump_off", {
-	description = "Pump Module (off)",
-	drawtype = "nodebox",
-	tiles = {
-		"pipeworks_pump_sides.png",
-		"pipeworks_pump_sides.png",
-		"pipeworks_pump_ends.png",
-		"pipeworks_pump_ends.png",
-		"pipeworks_pump_off.png",
-		"pipeworks_pump_off.png"
-	},
-	paramtype = "light",
-	selection_box = {
-             	type = "fixed",
-		fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 }
-	},
-	node_box = {
-		type = "fixed",
-		fixed = pumpboxes
-	},
-	groups = {snappy=3, pipe=1},
-	sounds = default.node_sound_wood_defaults(),
-	walkable = true,
-	stack_max = 99,
-})
-
--- valve module
-
-valveboxes = {}
-addbox(valveboxes, leftstub)
-addbox(valveboxes, valvebody)
-addbox(valveboxes, valvehandle_off)
-addbox(valveboxes, rightstub)
-
-minetest.register_node("pipeworks:valve_off", {
-	description = "Valve (off)",
-	drawtype = "nodebox",
-	tiles = {
-		"pipeworks_valvebody_top_off.png",
-		"pipeworks_valvebody_bottom.png",
-		"pipeworks_valvebody_ends.png",
-		"pipeworks_valvebody_ends.png",
-		"pipeworks_valvebody_sides.png",
-		"pipeworks_valvebody_sides.png",
-	},
-	paramtype = "light",
-	selection_box = {
-             	type = "fixed",
-		fixed = { -5/16, -4/16, -5/16, 6/16, 8/16, 6/16 }
-	},
-	node_box = {
-		type = "fixed",
-		fixed = valveboxes
-	},
-	groups = {snappy=3, pipe=1},
-	sounds = default.node_sound_wood_defaults(),
-	walkable = true,
-	stack_max = 99,
-})
-
-valveboxes = {}
-addbox(valveboxes, leftstub)
-addbox(valveboxes, valvebody)
-addbox(valveboxes, valvehandle_on)
-addbox(valveboxes, rightstub)
-
-minetest.register_node("pipeworks:valve_on", {
-	description = "Valve (on)",
-	drawtype = "nodebox",
-	tiles = {
-		"pipeworks_valvebody_top_on.png",
-		"pipeworks_valvebody_bottom.png",
-		"pipeworks_valvebody_ends.png",
-		"pipeworks_valvebody_ends.png",
-		"pipeworks_valvebody_sides.png",
-		"pipeworks_valvebody_sides.png",
-	},
-	paramtype = "light",
-	selection_box = {
-             	type = "fixed",
-		fixed = { -5/16, -4/16, -5/16, 6/16, 8/16, 6/16 }
-	},
-	node_box = {
-		type = "fixed",
-		fixed = valveboxes
-	},
-	groups = {snappy=3, pipe=1, not_in_creative_inventory=1},
-	sounds = default.node_sound_wood_defaults(),
-	walkable = true,
-	stack_max = 99,
-})
-
-minetest.register_on_punchnode(function (pos, node)
-	if node.name=="pipeworks:valve_on" then 
-		minetest.env:add_node(pos, { name = "pipeworks:valve_off" })
-	end
-end)
-
-minetest.register_on_punchnode(function (pos, node)
-	if node.name=="pipeworks:valve_off" then 
-		minetest.env:add_node(pos, { name = "pipeworks:valve_on" })
-	end
-end)
-
-
-minetest.register_on_punchnode(function (pos, node)
-	if node.name=="pipeworks:pump_on" then 
-		minetest.env:add_node(pos, { name = "pipeworks:pump_off" })
-	end
-end)
-
-minetest.register_on_punchnode(function (pos, node)
-	if node.name=="pipeworks:pump_off" then 
-		minetest.env:add_node(pos, { name = "pipeworks:pump_on" })
-	end
-end)
+dofile(minetest.get_modpath("pipeworks").."/devices.lua")
+dofile(minetest.get_modpath("pipeworks").."/autoplace.lua")
 
 print("Pipeworks loaded!")
diff --git a/textures/pipeworks_pump_top_x.png b/textures/pipeworks_pump_top_x.png
new file mode 100644
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