43 lines
959 B
PHP
43 lines
959 B
PHP
<?php
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class beta5_tech_getTree {
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var $data = null;
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function beta5_tech_getTree($lib) {
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$this->lib = $lib;
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$this->db = $lib->game->db;
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}
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function run() {
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if (is_array($this->data)) {
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return $this->data;
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}
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$res = array();
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$noReq = array();
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$q = $this->db->query("SELECT * FROM research");
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while ($r = dbFetchHash($q)) {
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$r['depends_on'] = $r['required_by'] = array();
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$q2 = $this->db->query("SELECT * FROM research_dep WHERE research=".$r['id']." OR depends_on=".$r['id']);
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while ($r2 = dbFetchArray($q2)) {
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$dir = ($r2[0] == $r['id']);
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array_push($r[$dir ? 'depends_on' : 'required_by'], $r2[$dir ? 1 : 0]);
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}
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if (($r['optional'] == 1 && !count($r['required_by'])) || $r['optional'] == 2) {
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array_push($noReq, $r['id']);
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}
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$res[$r['id']] = $r;
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}
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foreach ($noReq as $nrId) {
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$this->lib->mainClass->getAllDependencies($res, $nrId);
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}
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return ($this->data = array($res,$noReq));
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}
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}
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?>
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