/**
* get the chart for player activity
*
* @return the path to the image
*/
private function _getPlayerActivity()
{
$ret = false;
if (!in_array('Players', get_declared_classes())) {
require 'players.class.php';
}
$playersObj = new Players($this->_game);
$data = $playersObj->getPlayerCountPerDay();
if (!empty($data)) {
$c = 0;
$xLine = array();
$connects = array();
$disconnects = array();
// we need only the count for each day
foreach ($data['connect'] as $d => $e) {
$connects[] = count($e);
// this shows the date only every 5 days
if ($c % 4 == 0) {
$xLine[] = $d;
} else {
$xLine[] = '';
}
$c++;
}
// we need only the count for each day
foreach ($data['disconnect'] as $d => $e) {
$disconnects[] = count($e);
}
// add the connects
$this->_pData->AddPoint($connects, '1');
$this->_pData->AddSerie('1');
$this->_pData->SetSerieName(l("Connects"), '1');
// the dates for x axe
$this->_pData->AddPoint($xLine, 'x');
$this->_pData->SetAbsciseLabelSerie("x");
// add the disconnects
$this->_pData->AddPoint($disconnects, '2');
$this->_pData->AddSerie('2');
$this->_pData->SetSerieName(l("Disconnects"), '2');
// create the canvas
$this->_pChart->setFontProperties("class/pchart/Fonts/tahoma.ttf", 8);
$this->_pChart->setGraphArea(50, 30, $this->_option['width'] - 10, $this->_option['height'] - 80);
$this->_pChart->drawFilledRoundedRectangle(3, 3, $this->_option['width'] - 3, $this->_option['height'] - 3, 5, 240, 240, 240);
$this->_pChart->drawGraphArea(255, 255, 255, TRUE);
$this->_pChart->drawScale($this->_pData->GetData(), $this->_pData->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, TRUE, 30, 2, true);
$this->_pChart->drawGrid(4, TRUE, 230, 230, 230, 50);
// display only more the 3 days as a curve, otherwise as a bar
if (count($xLine) >= 4) {
// Draw the cubic curve graph
$this->_pChart->drawCubicCurve($this->_pData->GetData(), $this->_pData->GetDataDescription());
} else {
// draw the bar graph
$this->_pChart->drawBarGraph($this->_pData->GetData(), $this->_pData->GetDataDescription(), TRUE);
}
// Finish the graph
//$this->_pChart->setFontProperties("class/pchart/Fonts/tahoma.ttf",8);
$this->_pChart->drawLegend(10, $this->_option['height'] - 40, $this->_pData->GetDataDescription(), 255, 255, 255);
$this->_pChart->setFontProperties("class/pchart/Fonts/tahoma.ttf", 10);
$this->_pChart->drawTitle(0, 20, l("Player activity"), 50, 50, 50, $this->_option['width']);
$this->_pChart->Render($this->_option['chartFile']);
$ret = $this->_option['chartFile'];
}
return $ret;
}