From 888b0ebfec8c2eff9015163549a7e47443cb8665 Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Fri, 1 Apr 2016 21:00:20 -0400
Subject: "explode" all modpacks into their individual components (you can't
 have a modpack buried inside a modpack)

---
 digilines/util.lua | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 digilines/util.lua

(limited to 'digilines/util.lua')

diff --git a/digilines/util.lua b/digilines/util.lua
new file mode 100644
index 0000000..d138d63
--- /dev/null
+++ b/digilines/util.lua
@@ -0,0 +1,67 @@
+function digiline:addPosRule(p, r)
+	return {x = p.x + r.x, y = p.y + r.y, z = p.z + r.z}
+end
+
+function digiline:cmpPos(p1, p2)
+	return (p1.x == p2.x and p1.y == p2.y and p1.z == p2.z)
+end
+
+--Rules rotation Functions:
+function digiline:rotate_rules_right(rules)
+	local nr={}
+	for i, rule in ipairs(rules) do
+		nr[i]={}
+		nr[i].z=rule.x
+		nr[i].x=-rule.z
+		nr[i].y=rule.y
+	end
+	return nr
+end
+
+function digiline:rotate_rules_left(rules)
+	local nr={}
+	for i, rule in ipairs(rules) do
+		nr[i]={}
+		nr[i].z=-rules[i].x
+		nr[i].x=rules[i].z
+		nr[i].y=rules[i].y
+	end
+	return nr
+end
+
+function digiline:rotate_rules_down(rules)
+	local nr={}
+	for i, rule in ipairs(rules) do
+		nr[i]={}
+		nr[i].y=rule.x
+		nr[i].x=-rule.y
+		nr[i].z=rule.z
+	end
+	return nr
+end
+
+function digiline:rotate_rules_up(rules)
+	local nr={}
+	for i, rule in ipairs(rules) do
+		nr[i]={}
+		nr[i].y=-rule.x
+		nr[i].x=rule.y
+		nr[i].z=rule.z
+	end
+	return nr
+end
+
+function digiline:tablecopy(table) -- deep table copy
+	if type(table) ~= "table" then return table end -- no need to copy
+	local newtable = {}
+
+	for idx, item in pairs(table) do
+		if type(item) == "table" then
+			newtable[idx] = digiline:tablecopy(item)
+		else
+			newtable[idx] = item
+		end
+	end
+
+	return newtable
+end
-- 
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