gistfile1.php

<?php

/*
 * WTFPL
 *
 * Utilisation :
 * 1) Ouvrir minecraft moddé
 * 2) Aller dans les options de Not Enough Items
 * 3) Tools > Data Dumps > Blocks/Items > Dump
 * 4) Dans le dossier minecraft/dumps, copier item.csv et le mettre au même endroit que ce script
 * 5) Exécuter le script
 * 6) ???
 * 7) PROFIT
 */

$csv  = explode("\n", file_get_contents("item.csv"));
$head = str_getcsv(array_shift($csv));

$ids = array();
array_pop($csv);
foreach ($csv as $line) {
	$line          = str_getcsv($line);
	$ids[$line[0]] = array(
		'id'  => $line[0],
		'mod' => $line[2],
	);
}

$mods = array();

foreach ($ids as $id) {
	if (!isset($mods[$id['mod']])) $mods[$id['mod']] = array();
	$mods[$id['mod']][$id['id']] = $id;
}

var_dump($mods);

$out = "";

foreach ($mods as $mod) {
	$ranges     = array();
	$inrange    = false;
	$rangestart = 0;
	$name       = null;
	for ($i = 0; $i <= 32005; $i++) {
		if (isset($mod[$i])) {
			$name = $mod[$i]['mod'];
			if (!$inrange) {
				$inrange    = true;
				$rangestart = $i;
			}
		} else {
			if ($inrange) {
				$ranges[]   = array(
					'start' => $rangestart,
					'end'   => $i - 1
				);
				$inrange    = false;
				$rangestart = 0;
			}
		}
	}

	$out .= "$name: ";
	$content = false;
	foreach ($ranges as $range) {
		if ($range['start'] == $range['end']) $out .= $range['start'] . ", ";
		else $out .= $range['start'] . "-" . $range['end'] . ", ";
		$content = true;
	}
	if ($content) $out = substr($out, 0, -2);
	$out .= "\n";
}

file_put_contents('out.file', $out);