# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1394637522 -7200
# Node ID 3adc7a98ef0ae7b65ec2a5caff6b1a55060ae901
# Parent  29643b59072277d2225ac25d57d62c9925bf57e0
Improve bootstrapping by generating htaccess files automagically.

diff -r 29643b590722 -r 3adc7a98ef0a tools/makegmaps.php
--- a/tools/makegmaps.php	Wed Mar 12 16:48:57 2014 +0200
+++ b/tools/makegmaps.php	Wed Mar 12 17:18:42 2014 +0200
@@ -18,6 +18,14 @@
 $fontFile = "./lucon.ttf";
 $tileDim = 256;
 
+$minZoom = 1;
+$maxZoom = 10;
+
+// Font sizes
+$fontSize = array();
+$fontSize[ 8] = 7;
+$fontSize[16] = 13;
+$fontSize[32] = 26;
 
 
 /* Internal data and settings
@@ -85,6 +93,69 @@
 }
 
 
+function outputToFile($sfilename, $sdata)
+{
+  if (file_put_contents($sfilename, $sdata, LOCK_EX) === FALSE)
+    die("Error writing to '".$sfilename."'.\n");
+}
+
+
+/*
+ * Create htaccess files
+ */
+function makeHtAccessFile($surlprefix, $sprefix, $spath)
+{
+  $sfile = $sprefix.$spath.".htaccess";
+  if (!file_exists($sfile) && file_exists($sprefix.$spath."sea.png"))
+  {
+    if (!isset($surlprefix))
+    {
+      $sdone = FALSE;
+      while (!$sdone)
+      {
+        echo "Enter URL prefix for tiles:\n";
+        $surlprefix = trim(fgets(STDIN));
+        if (substr($surlprefix, 0, 7) != "http://" &&
+            substr($surlprefix, 0, 8) != "https://")
+        {
+          echo "Prefix must start with http:// or https://\n";
+        }
+        else
+        if (substr($surlprefix, -1) != "/")
+        {
+          echo "Prefix must end with /\n";
+        }
+        else
+        if (preg_match("/^https?:\/\/[a-zA-Z0-9]+[a-zA-Z0-9\/\.\:\-]*?\//", $surlprefix) === FALSE)
+        {
+          echo "Malformed URL (or atleast this silly regexp does not want it.\n";
+        }
+        else
+        {
+          echo "The URL prefix to be used is \"".$surlprefix."\", e.g.\n".
+            "htaccess to be created would be: \"".$surlprefix."tiles/".$spath."sea.png\"\n".
+            "Is this correct? [y/N]? ";
+          
+          $sprompt = strtolower(trim(fgets(STDIN)));
+          if ($sprompt == "y")
+            $sdone = TRUE;
+          
+          echo "\n";
+        }
+      }
+    }
+    
+    
+    echo "Creating ".$sfile."\n";
+    outputToFile($sfile, "ErrorDocument 404 ".$surlprefix."tiles/".$spath."sea.png\n");
+  }
+}
+
+makeHtAccessFile(&$urlTilePrefix, $pathTileData, "");
+for ($i = $minZoom; $i <= $maxZoom; $i++)
+  makeHtAccessFile(&$urlTilePrefix, $pathTileData, $i."/");
+
+
 /*
  * Build maputils and fetch latest map data
  */
@@ -153,8 +224,7 @@
 }
 $str .= "];\n";
 
-if (file_put_contents($continentJS, $str) === FALSE)
-  die("Error writing continent data to ".$continentJS."\n");
+outputToFile($continentJS, $str);
 
 
 
@@ -213,10 +283,9 @@
 }
 
 
-function outputJSON($qfilename, $qdata)
+function outputToJSONFile($qfilename, $qdata)
 {
-  if (file_put_contents($qfilename, json_encode($qdata), LOCK_EX) === FALSE)
-    die("Could not write to file '".$qfilename."'.\n");
+  outputToFile($qfilename, json_encode($qdata));
 }
 
 
@@ -247,7 +316,7 @@
   );
 }
 
-outputJSON($tradelaneOut, $qdata);
+outputToJSONFile($tradelaneOut, $qdata);
 
 
 /* Export tradelane polyline data
@@ -276,14 +345,14 @@
 }
 
 
-outputJSON($tradelaneOverlay, $qdata);
+outputToJSONFile($tradelaneOverlay, $qdata);
 
 /*
  * Generate PNG maps
  */
 function makeMap($inFilename, $outFilename, $zlevel, $data)
 {
-  global $mapPalette, $fontFile;
+  global $mapPalette, $fontFile, $fontSize;
 
   // Try to open input file
   $file = @fopen($inFilename, "r");
@@ -312,11 +381,6 @@
 
   imagefilledrectangle($im, 0, 0, $width*$zoom, $height*$zoom, $black);
 
-  // Font sizes
-  $fontsize[ 8] = 7;
-  $fontsize[16] = 13;
-  $fontsize[32] = 26;
-
   // Read input raw
   $y = 0;
   while ($y < $height && ($data = fgets($file, 4096)) !== FALSE) 
@@ -530,7 +594,7 @@
 
 $mapData = array();
 
-for ($zoom = 1; $zoom <= 10; $zoom++)
+for ($zoom = $minZoom; $zoom <= $maxZoom; $zoom++)
 {
   $zoom2 = $zoom - 1;
   $scale = pow(2, $zoom2 - 5);