<?
	// playerbar.php - output the playerbar data
	// http://www.wg.com/playerbar?work_mode=x&players=3&thisplayer=2&p1c=Red&p1s=Playing&p1t=1&p2c=Blue&p2s=Playing&p2t=0&p3c=Brown&p3s=Playing&p3t=0&p4c=SkyBlue&p4s=Playing&p4t=1	
	// http://www.wg.com/playerbar?work_mode=x&players=5&thisplayer=2&p1c=Red&p1s=Playing&p1t=1&p2c=Blue&p2s=Eliminated&p2t=0&p3c=Brown&p3s=Playing&p3t=0&p4c=SkyBlue&p4s=Playing&p4t=1&p5c=Black&p5s=Playing&p5t=0

  include_once "../../localise.php";
  include_once "../../vars.php";

	class PlayerBar {
		var $number;
		var $color;
		var $status;
		var $turn;
		var $fillcolor;
		var $offsetcolor;
	}
	
	$work_mode = $_GET['work_mode'];
	$num_players = $_GET['players'];
	$thisplayer = $_GET['thisplayer'];
	if (!$num_players) return;

	// constants
	$box_width = 14;
	$box_spacing = 2;
	$elim_width = 2;
	$cursor_height = 2;
	$cursor_offset = 2;
	$inset_width = 5;

	// online icon offset from LHS of box
	$online_offset = 8;

	$image_width = $num_players * $box_width + ($num_players - 1) * $box_spacing + 1;
	$image_height = $box_width + $cursor_height * 2 + $cursor_offset * 2 + 1;

	// create image and set background color
	$image = imagecreatetruecolor($image_width, $image_height);
	
	$bkcolor = imagecolorallocate($image, 254, 254, 254);
	imagecolortransparent($image, $bkcolor);
	// imagefilledrectangle ($image, $core_x_offset, $core_y_offset, $image_width - $core_x_offset, $image_height - $core_y_offset, $bkcolor);
	imagefill($image, 0, 0, $bkcolor);


	for ($i = 1; $i <= $num_players; ++$i) {
		$player = new PlayerBar();
		$player->number = $i;
		$player->color = $_GET['p' . $i . 'c'];
		$player->textcolor = $_GET['p' . $i . 'e'];
		$player->status = $_GET['p' . $i . 's'];
		$player->turn = $_GET['p' . $i . 't'];
		$player->online = array_key_exists('p' . $i . 'o', $_GET) ? $_GET['p' . $i . 'o'] : -1;
		list ($r, $g, $b) = sscanf(dechex_color($player->color), '%2x%2x%2x');
		
		$player->fillcolor = imagecolorallocate($image, $r, $g, $b);
		if (($player->status == "Joined") && !$player->color && !$player->textcolor) $player->fillcolor = imagecolorallocate($image, 127, 127, 127);
		// $player->fillcolor = ($player->color || $player->textcolor) ? imagecolorallocate($image, $r, $g, $b) : imagecolorallocate($image, 127, 127, 127);

		list ($r, $g, $b) = sscanf(dechex_color($player->textcolor), '%2x%2x%2x');
		$player->offsetcolor = imagecolorallocate($image, $r, $g, $b);
		$players[] = $player;
	}

	$cursor_color = ($work_mode) ? imagecolorallocate($image, 0, 0, 0) : imagecolorallocate($image, 255, 255, 255);
	$white_color = imagecolorallocate($image, 255, 255, 255);
	$black_color = imagecolorallocate($image, 0, 0, 0);

	$friend_color = imagecolorallocate($image, 0, 255, 0);
	$enemy_color = imagecolorallocate($image, 255, 0, 0);

	// $tileimage = @imagecreatefromgif("$IMAGEDIR/boards/crosshatch.gif");
	// imagesettile($image, $tileimage);
	

	$current_xpos = 0;
	$current_ypos = $cursor_height + $cursor_offset;


	foreach ($players as $player) {

		// draw outer white square
		// imagefilledrectangle ($image, $current_xpos, $current_ypos, $current_xpos + $box_width, $box_width + $current_ypos, $bkcolor);

		if (($player->status == "Eliminated") || ($player->status == "Booted") || ($player->status == "Surrendered")) {
			// draw outer square
			imagefilledrectangle ($image, $current_xpos, $current_ypos, $current_xpos + $box_width, $box_width + $current_ypos, $player->fillcolor);
			// imagefilledrectangle ($image, $current_xpos, $current_ypos, $current_xpos + $box_width, $box_width + $current_ypos, $player->offsetcolor);

			// draw inner white square
			imagefilledrectangle ($image, $current_xpos + $elim_width, $elim_width + $current_ypos, $current_xpos + $box_width - $elim_width, $box_width - $elim_width + $current_ypos, $white_color);

			// nice black border
			imagerectangle ($image, $current_xpos + $elim_width, $elim_width + $current_ypos, $current_xpos + $box_width - $elim_width, $box_width - $elim_width + $current_ypos, $black_color);
			
			imagesetthickness ($image, 2);
			imageline ($image, $current_xpos + $elim_width + 1, $elim_width + $current_ypos + 1, $current_xpos + $box_width - $elim_width - 1, $box_width - $elim_width + $current_ypos - 1, $black_color);
			imageline ($image, $current_xpos + $box_width - $elim_width - 1, $elim_width + $current_ypos + 1, $current_xpos + $elim_width + 1, $box_width - $elim_width + $current_ypos - 1, $black_color);
			imagesetthickness ($image, 1);

		}
		else if ($player->status) {
			// draw outer square
			imagefilledrectangle ($image, $current_xpos, $current_ypos, $current_xpos + $box_width, $box_width + $current_ypos, $player->fillcolor);
	
			// if it's this player's turn, draw turn cursor underneath
			if ($player->turn) imagefilledrectangle ($image, $current_xpos, $box_width + $cursor_offset + $current_ypos, $current_xpos + $box_width, $box_width + $cursor_offset + $cursor_height + $current_ypos, $cursor_color);
			// if this player is a friend, give them a green bar
			else if ($player->status == "Friend") imagefilledrectangle ($image, $current_xpos, $box_width + $cursor_offset + $current_ypos, $current_xpos + $box_width, $box_width + $cursor_offset + $cursor_height + $current_ypos, $friend_color);
			// else if this player is an enemy, give them a red bar
			else if ($player->status == "Enemy") imagefilledrectangle ($image, $current_xpos, $box_width + $cursor_offset + $current_ypos, $current_xpos + $box_width, $box_width + $cursor_offset + $cursor_height + $current_ypos, $enemy_color);
	
			// if this is the actual player, give them a nice BLACK color box so they know who they are
			if ($player->number == $thisplayer) {
				imagefilledrectangle ($image, $current_xpos + $inset_width, $inset_width + $current_ypos, $current_xpos + $box_width - $inset_width, $box_width - $inset_width + $current_ypos, $player->offsetcolor);
			}
		}
		else {
			// empty box (transparent center)
			imagefilledrectangle ($image, $current_xpos, $current_ypos, $current_xpos + $box_width, $box_width + $current_ypos, $bkcolor);
		}

		// online status
		$online_color = imagecolorallocate($image, 255, 215, 0);
		$offline_color = imagecolorallocate($image, 128, 128, 128);

		if ($player->online == 1) imagefilledrectangle ($image, $current_xpos, $current_ypos - $cursor_offset, $current_xpos + $box_width, $current_ypos - $cursor_offset - $cursor_height, $online_color);
		else if (!$player->online) imagefilledrectangle ($image, $current_xpos, $current_ypos - $cursor_offset, $current_xpos + $box_width, $current_ypos - $cursor_offset - $cursor_height, $offline_color);
		
		// create empty box
		imagerectangle ($image, $current_xpos, $current_ypos, $current_xpos + $box_width, $box_width + $current_ypos, $cursor_color);

		$current_xpos += $box_width + $box_spacing;

	}
	
	header("Cache-Control: public");
	header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + $ONE_DAY * 365));
	header('Content-Type: image/png');
	imagepng($image);
	imagedestroy($image);
	
	
	// convert color from decimal to hexadecimal format
	function dechex_color($number) {
		$dec_color = dechex($number);
		$pad_count = 6 - strlen($dec_color);
		for ($i = 0; $i < $pad_count; ++ $i) $pad .= "0";
		return $pad . $dec_color;
		
	} 

?>