From 177e45bdd83fe923ffc85205e19f071b6bc8f464 Mon Sep 17 00:00:00 2001
From: Alexander Gavrilov <angavrilov@gmail.com>
Date: Thu, 14 Feb 2013 12:49:57 +0400
Subject: [PATCH] Improve fix/cloth-stockpile performance by 30% by reducing
 garbage.

---
 scripts/fix/cloth-stockpile.lua | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/scripts/fix/cloth-stockpile.lua b/scripts/fix/cloth-stockpile.lua
index 7da5d583c..45e5fcc43 100644
--- a/scripts/fix/cloth-stockpile.lua
+++ b/scripts/fix/cloth-stockpile.lua
@@ -1,8 +1,16 @@
 -- Fixes cloth/thread stockpiles by correcting material object data.
 
 local raws = df.global.world.raws
-local organic_types = raws.mat_table.organic_types
-local organic_indexes = raws.mat_table.organic_indexes
+
+-- Cache references to vectors in lua tables for a speed-up
+local organic_types = {}
+for i,v in ipairs(raws.mat_table.organic_types) do
+    organic_types[i] = v
+end
+local organic_indexes = {}
+for i,v in ipairs(raws.mat_table.organic_indexes) do
+    organic_indexes[i] = v
+end
 
 local function verify(category,idx,vtype,vidx)
     if idx == -1 then