From 1b1780946edebfbf1e8ec2cf095b56fa76733e2b Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Sat, 12 Sep 2015 07:18:16 +0200
Subject: [PATCH] add facedir to tool workshop

---
 technic/helpers.lua |   34 ++++++++++++++++++++++++++++------
 1 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/technic/helpers.lua b/technic/helpers.lua
index 14c4a30..e8efcf3 100644
--- a/technic/helpers.lua
+++ b/technic/helpers.lua
@@ -1,7 +1,14 @@
-minetest.swap_node = minetest.swap_node or function(pos, node)
-	local oldmeta = minetest.get_meta(pos):to_table()
-	minetest.set_node(pos, node)
-	minetest.get_meta(pos):from_table(oldmeta)
+--load config
+local sepchar = nil
+do
+	local sepcode = technic.config:get("thousand_separator")
+	--default is SI style
+	sepchar = sepcode and string.char(sepcode) or " "
+	baresepchar = sepchar
+	--handling if sepchar is magic...
+	for magic in string.gmatch("().%+-*?[^$", ".") do
+		if sepchar == magic then sepchar = "%"..sepchar end
+	end
 end
 
 -- Only changes name, keeps other params
@@ -26,7 +33,6 @@
 	return stack
 end
 
- --------------------------------------------------------------------------------
 local function resolve_name(function_name)
 	local a = _G
 	for key in string.gmatch(function_name, "([^%.]+)(%.?)") do
@@ -42,4 +48,20 @@
 function technic.function_exists(function_name)
 	return type(resolve_name(function_name)) == 'function'
 end
---------------------------------------------------------------------------------
+
+-- if the node is loaded, returns it. If it isn't loaded, load it and return nil.
+function technic.get_or_load_node(pos)
+	local node_or_nil = minetest.get_node_or_nil(pos)
+	if node_or_nil then return node_or_nil end
+	local vm = VoxelManip()
+	local MinEdge, MaxEdge = vm:read_from_map(pos, pos)
+	return nil
+end
+
+function technic.prettynum(num)
+	local str, k = tostring(num), nil
+	repeat
+		str, k = str:gsub("^(-?%d+)(%d%d%d)", "%1"..sepchar.."%2")
+	until k == 0
+	return str
+end
\ No newline at end of file

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