# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1300832934 -7200
# Node ID eb847818a3be3be00e5f38b018ae6cb2dd552d6c
# Parent  dd39f6bbc4cb4166c74ae5cac59299ad9d702be9
Reset matrix only when generating a cache, speeds things up a bit. Also, check if cache file exists before trying filemtime() on it.

diff -r dd39f6bbc4cb -r eb847818a3be index.php
--- a/index.php	Tue Mar 22 22:43:44 2011 +0200
+++ b/index.php	Wed Mar 23 00:28:54 2011 +0200
@@ -291,15 +291,14 @@
 <div id="info">
 <?
 
-alch_matrix_clear();
 
 // Check if we have a non-stale cache of the matrix data
-#if (1)
-if (filemtime($dataFile) > filemtime($cacheFile))
+if (!file_exists($cacheFile) || filemtime($dataFile) > filemtime($cacheFile))
 {
+  alch_matrix_clear();
+
   $nline = 0;
   $file = fopen($dataFile, "r");
-
   while (($rawline = fgets($file)) !== FALSE) {
     $nline++;
     $line = trim($rawline);