From 1eaa8b0dbdb0230f1457834b24775d185308cb4b Mon Sep 17 00:00:00 2001
From: Anthony <azhang9@gmail.com>
Date: Mon, 18 Mar 2013 22:58:39 -0300
Subject: [PATCH 1/4] Add inventory images for devices.

---
 devices.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/devices.lua b/devices.lua
index faa1b86..4c8072c 100644
--- a/devices.lua
+++ b/devices.lua
@@ -329,9 +329,11 @@ for fill = 0, 10 do
 	if fill == 0 then 
 		filldesc="empty"
 		sgroups = {snappy=3, pipe=1, tankfill=fill+1}
+		image = nil
 	else
 		filldesc=fill.."0% full"
 		sgroups = {snappy=3, pipe=1, tankfill=fill+1, not_in_creative_inventory=1}
+		image = "pipeworks_storage_tank_fittings.png"
 	end
 
 	minetest.register_node("pipeworks:expansion_tank_"..fill, {
@@ -344,6 +346,7 @@ for fill = 0, 10 do
 			"pipeworks_storage_tank_back.png",
 			pipeworks_liquid_texture.."^pipeworks_storage_tank_front_"..fill..".png"
 		},
+		inventory_image = image,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		groups = {snappy=3, pipe=1, tankfill=fill+1, not_in_creative_inventory=1},
@@ -374,6 +377,7 @@ for fill = 0, 10 do
 			"pipeworks_storage_tank_back.png",
 			pipeworks_liquid_texture.."^pipeworks_storage_tank_front_"..fill..".png"
 		},
+		inventory_image = image,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		groups = sgroups,

From 65c4ffde7b6078531a20cc3f03931549323233bd Mon Sep 17 00:00:00 2001
From: Anthony <azhang9@gmail.com>
Date: Mon, 18 Mar 2013 23:00:00 -0300
Subject: [PATCH 2/4] Add inventory images for pipes.

---
 init.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/init.lua b/init.lua
index 731be19..8721027 100644
--- a/init.lua
+++ b/init.lua
@@ -248,15 +248,18 @@ for zp = 0, 1 do
 	if pname ~= "110000" then
 		pgroups = {snappy=3, pipe=1, not_in_creative_inventory=1}
 		pipedesc = "Pipe segment (empty, "..pname..")... You hacker, you."
+		image = "pipeworks_plain.png"
 	else
 		pgroups = {snappy=3, pipe=1}
 		pipedesc = "Pipe segment"
+		image = nil
 	end
 
 	minetest.register_node("pipeworks:pipe_"..pname.."_empty", {
 		description = pipedesc,
 		drawtype = "nodebox",
 		tiles = pipes_fix_image_names(outimgs, "_empty"),
+		inventory_image = image,
 		paramtype = "light",
 		selection_box = {
 	             	type = "fixed",
@@ -287,6 +290,7 @@ for zp = 0, 1 do
 		description = "Pipe segment (loaded, "..pname..")... You hacker, you.",
 		drawtype = "nodebox",
 		tiles = pipes_fix_image_names(outimgs, "_loaded"),
+		inventory_image = image,
 		paramtype = "light",
 		selection_box = {
 	             	type = "fixed",

From 1695a18641be00baef9bfb1ca79d413bc1ae791d Mon Sep 17 00:00:00 2001
From: Anthony <azhang9@gmail.com>
Date: Mon, 18 Mar 2013 23:00:36 -0300
Subject: [PATCH 3/4] Add inventory images for old pipes.

---
 oldpipes.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/oldpipes.lua b/oldpipes.lua
index 90c8a27..0892436 100644
--- a/oldpipes.lua
+++ b/oldpipes.lua
@@ -311,14 +311,17 @@ for node in ipairs(nodenames) do
 
 	if node ~= 2 then
 		pgroups = {snappy=3, pipe=1, not_in_creative_inventory=1}
+		image = "pipeworks_plain.png"
 	else
 		pgroups = {snappy=3, pipe=1}
+		image = nil
 	end
 
 	minetest.register_node("pipeworks:"..nodenames[node], {
 		description = "Empty Pipe ("..descriptions[node]..")",
 		drawtype = "nodebox",
 		tiles = fix_image_names(node, "_empty"),
+		inventory_image = image,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		selection_box = {
@@ -340,6 +343,7 @@ for node in ipairs(nodenames) do
 		description = "Loaded Pipe ("..descriptions[node]..")",
 		drawtype = "nodebox",
 		tiles = fix_image_names(node, "_loaded"),
+		inventory_image = image,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		selection_box = {

From 6889ab0419bdb2bc9bde4fd5b396f1ef84a5f969 Mon Sep 17 00:00:00 2001
From: Anthony <azhang9@gmail.com>
Date: Mon, 18 Mar 2013 23:01:09 -0300
Subject: [PATCH 4/4] Add inventory images for tubes.

---
 tubes.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tubes.lua b/tubes.lua
index 19139a3..78ff9b5 100644
--- a/tubes.lua
+++ b/tubes.lua
@@ -157,7 +157,7 @@ for zp = 0, 1 do
 	if tname ~= "000000" then
 		tgroups = {snappy=3, tube=1, not_in_creative_inventory=1}
 		tubedesc = desc.." ("..tname..")... You hacker, you."
-		iimg=nil
+		iimg=plain_textures[1]
 		wscale = {x=1,y=1,z=1}
 	else
 		tgroups = {snappy=3, tube=1}
@@ -464,4 +464,4 @@ minetest.register_abm({nodenames={"group:sand_tube"},interval=1,chance=1,
 	end})
 
 modpath=minetest.get_modpath("pipeworks")
-dofile(modpath.."/teleport_tube.lua")
\ No newline at end of file
+dofile(modpath.."/teleport_tube.lua")