Dragon-Knight/public/index.php

<?php

// index.php :: Primary program script, evil alien overlord, you decide.

if (!file_exists('../.installed')) {
	header('Location: install.php');
	exit;
}

require_once '../src/lib.php';

$controlrow = get_control_row();

// Login (or verify) if not logged in.
if (($userrow = checkcookies()) === false) {
    if (isset($_GET['do']) && $_GET['do'] === 'verify') {
        header("Location: users.php?do=verify");
		exit;
    }

    header("Location: login.php?do=login");
	exit;
}

// Close game.
if ((bool) $controlrow["gameopen"] === false) {
	display("The game is currently closed for maintanence. Please check back later.", "Game Closed");
	exit;
}

// Force verify if the user isn't verified yet.
if ((bool) $controlrow["verifyemail"] && (bool) $userrow["verify"] === false) {
	header("Location: users.php?do=verify");
	exit;
}

// Block user if he/she has been banned.
if ($userrow["authlevel"] === 2) {
	exit("Your account has been blocked.");
}

require_once '../src/towns.php';
require_once '../src/explore.php';
require_once '../src/fight.php';
require_once '../src/heal.php';

$do = explode(':', $_GET['do'] ?? '');
match ($do[0]) {
	'inn'        => inn(),
	'buy'        => buy(),
	'buy2'       => buy2($do[1]),
	'buy3'       => buy3($do[1]),
	// 'sell' => sell(),
	'maps'       => maps(),
	'maps2'      => maps2($do[1]),
	'maps3'      => maps3($do[1]),
	'gotown'     => travelto($do[1]),
	'move'       => move(),
	'fight'      => fight(),
	'victory'    => victory(),
	'drop'       => drop(),
	'dead'       => dead(),
	'verify'     => header("Location: users.php?do=verify"),
	'spell'      => healspells($do[1]),
	'showchar'   => showchar(),
	'onlinechar' => onlinechar($do[1]),
	'showmap'    => showmap(),
	'babblebox'  => babblebox(),
	'ninja'      => ninja(),
	default      => donothing()
};

function donothing()
{
    global $userrow;

    if ($userrow["currentaction"] == "In Town") {
        $page = dotown();
        $title = "In Town";
    } elseif ($userrow["currentaction"] == "Exploring") {
        $page = doexplore();
        $title = "Exploring";
    } elseif ($userrow["currentaction"] == "Fighting")  {
        $page = dofight();
        $title = "Fighting";
    }

    display($page, $title);
}

/**
 * Spit out the main town page.
 */
function dotown()
{
    global $userrow, $controlrow;

	$townquery = db()->query('SELECT * FROM towns WHERE latitude = ? AND longitude = ? LIMIT 1;', [$userrow["latitude"], $userrow["longitude"]]);
	if ($townquery === false) display("There is an error with your user account, or with the town data. Please try again.", "Error");
    $townrow = $townquery->fetchArray(SQLITE3_ASSOC);
	if ($townrow === false) display("There is an error with your user account, or with the town data. Please try again.","Error");

    // News box. Grab latest news entry and display it. Something a little more graceful coming soon maybe.
    if ($controlrow["shownews"] == 1) {
        $newsrow = db()->query('SELECT * FROM news ORDER BY id DESC LIMIT 1;')->fetchArray(SQLITE3_ASSOC);
        $townrow["news"] = "<table width=\"95%\"><tr><td class=\"title\">Latest News</td></tr><tr><td>\n";
        $townrow["news"] .= "<span class=\"light\">[".prettydate($newsrow["postdate"])."]</span><br />".nl2br($newsrow["content"]);
        $townrow["news"] .= "</td></tr></table>\n";
    } else {
		$townrow["news"] = "";
	}

    // Who's Online. Currently just members. Guests maybe later.
    if ($controlrow["showonline"] == 1) {
		$onlinequery = db()->query("SELECT * FROM news WHERE strftime('%s', onlinetime) >= strftime('%s', 'now') - 600 ORDER BY charname");

		$online_count = 0;
		$online_rows = [];

		foreach ($onlinequery->fetchArray(SQLITE3_ASSOC) as $onlinerow) {
			$online_count++;
			$online_rows[] = "<a href=\"index.php?do=onlinechar:".$onlinerow["id"]."\">".$onlinerow["charname"]."</a>" . ", ";
		}

        $townrow["whosonline"] = "<table width=\"95%\"><tr><td class=\"title\">Who's Online</td></tr><tr><td>\n";
        $townrow["whosonline"] .= "There are <b>$online_count</b> user(s) online within the last 10 minutes: ";
        $townrow["whosonline"] .= rtrim(implode(', ', $online_rows), ', ');
        $townrow["whosonline"] .= "</td></tr></table>\n";
    } else {
		$townrow["whosonline"] = "";
	}

    if ($controlrow["showbabble"] == 1) {
        $townrow["babblebox"] = "<table width=\"95%\"><tr><td class=\"title\">Babble Box</td></tr><tr><td>\n";
        $townrow["babblebox"] .= "<iframe src=\"index.php?do=babblebox\" name=\"sbox\" width=\"100%\" height=\"250\" frameborder=\"0\" id=\"bbox\">Your browser does not support inline frames! The Babble Box will not be available until you upgrade to a newer <a href=\"http://www.mozilla.org\" target=\"_new\">browser</a>.</iframe>";
        $townrow["babblebox"] .= "</td></tr></table>\n";
    } else {
		$townrow["babblebox"] = "";
	}

    $page = gettemplate("towns");
    $page = parsetemplate($page, $townrow);

    return $page;
}

/**
 * Just spit out a blank exploring page. Exploring without a GET string is normally when they first log in, or when
 * they've just finished fighting.
 */
function doexplore()
{
	return <<<HTML
		<table width="100%">
			<tr><td class="title"><img src="images/title_exploring.gif" alt="Exploring" /></td></tr>
			<tr><td>
				You are exploring the map, and nothing has happened. Continue exploring using the direction buttons or the Travel To menus.
			</td></tr>
		</table>
	HTML;
}

/**
 * Redirect to fighting.
 */
function dofight()
{
    header("Location: index.php?do=fight");
}

function showchar()
{
    global $userrow, $controlrow;

    // Format various userrow stuffs.
    $userrow["experience"] = number_format($userrow["experience"]);
    $userrow["gold"] = number_format($userrow["gold"]);
    if ($userrow["expbonus"] > 0) {
        $userrow["plusexp"] = "<span class=\"light\">(+".$userrow["expbonus"]."%)</span>";
    } elseif ($userrow["expbonus"] < 0) {
        $userrow["plusexp"] = "<span class=\"light\">(".$userrow["expbonus"]."%)</span>";
    } else { $userrow["plusexp"] = ""; }
    if ($userrow["goldbonus"] > 0) {
        $userrow["plusgold"] = "<span class=\"light\">(+".$userrow["goldbonus"]."%)</span>";
    } elseif ($userrow["goldbonus"] < 0) {
        $userrow["plusgold"] = "<span class=\"light\">(".$userrow["goldbonus"]."%)</span>";
    } else { $userrow["plusgold"] = ""; }

    $levelquery = doquery("SELECT ". $userrow["charclass"]."_exp FROM {{table}} WHERE id='".($userrow["level"]+1)."' LIMIT 1", "levels");
    $levelrow = mysql_fetch_array($levelquery);
    if ($userrow["level"] < 99) { $userrow["nextlevel"] = number_format($levelrow[$userrow["charclass"]."_exp"]); } else { $userrow["nextlevel"] = "<span class=\"light\">None</span>"; }

    if ($userrow["charclass"] == 1) { $userrow["charclass"] = $controlrow["class1name"]; }
    elseif ($userrow["charclass"] == 2) { $userrow["charclass"] = $controlrow["class2name"]; }
    elseif ($userrow["charclass"] == 3) { $userrow["charclass"] = $controlrow["class3name"]; }

    if ($userrow["difficulty"] == 1) { $userrow["difficulty"] = $controlrow["diff1name"]; }
    elseif ($userrow["difficulty"] == 2) { $userrow["difficulty"] = $controlrow["diff2name"]; }
    elseif ($userrow["difficulty"] == 3) { $userrow["difficulty"] = $controlrow["diff3name"]; }

    $spellquery = doquery("SELECT id,name FROM {{table}}","spells");
    $userspells = explode(",",$userrow["spells"]);
    $userrow["magiclist"] = "";
    while ($spellrow = mysql_fetch_array($spellquery)) {
        $spell = false;
        foreach($userspells as $a => $b) {
            if ($b == $spellrow["id"]) { $spell = true; }
        }
        if ($spell == true) {
            $userrow["magiclist"] .= $spellrow["name"]."<br />";
        }
    }
    if ($userrow["magiclist"] == "") { $userrow["magiclist"] = "None"; }

    // Make page tags for XHTML validation.
    $xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
    . "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"DTD/xhtml1-transitional.dtd\">\n"
    . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n";

    $charsheet = gettemplate("showchar");
    $page = $xml . gettemplate("minimal");
    $array = array("content"=>parsetemplate($charsheet, $userrow), "title"=>"Character Information");
    echo parsetemplate($page, $array);
    die();
}

function onlinechar($id) {

    global $controlrow;
    $userquery = doquery("SELECT * FROM {{table}} WHERE id='$id' LIMIT 1", "users");
    if (mysql_num_rows($userquery) == 1) { $userrow = mysql_fetch_array($userquery); } else { display("No such user.", "Error"); }

    // Format various userrow stuffs.
    $userrow["experience"] = number_format($userrow["experience"]);
    $userrow["gold"] = number_format($userrow["gold"]);
    if ($userrow["expbonus"] > 0) {
        $userrow["plusexp"] = "<span class=\"light\">(+".$userrow["expbonus"]."%)</span>";
    } elseif ($userrow["expbonus"] < 0) {
        $userrow["plusexp"] = "<span class=\"light\">(".$userrow["expbonus"]."%)</span>";
    } else { $userrow["plusexp"] = ""; }
    if ($userrow["goldbonus"] > 0) {
        $userrow["plusgold"] = "<span class=\"light\">(+".$userrow["goldbonus"]."%)</span>";
    } elseif ($userrow["goldbonus"] < 0) {
        $userrow["plusgold"] = "<span class=\"light\">(".$userrow["goldbonus"]."%)</span>";
    } else { $userrow["plusgold"] = ""; }

    $levelquery = doquery("SELECT ". $userrow["charclass"]."_exp FROM {{table}} WHERE id='".($userrow["level"]+1)."' LIMIT 1", "levels");
    $levelrow = mysql_fetch_array($levelquery);
    $userrow["nextlevel"] = number_format($levelrow[$userrow["charclass"]."_exp"]);

    if ($userrow["charclass"] == 1) { $userrow["charclass"] = $controlrow["class1name"]; }
    elseif ($userrow["charclass"] == 2) { $userrow["charclass"] = $controlrow["class2name"]; }
    elseif ($userrow["charclass"] == 3) { $userrow["charclass"] = $controlrow["class3name"]; }

    if ($userrow["difficulty"] == 1) { $userrow["difficulty"] = $controlrow["diff1name"]; }
    elseif ($userrow["difficulty"] == 2) { $userrow["difficulty"] = $controlrow["diff2name"]; }
    elseif ($userrow["difficulty"] == 3) { $userrow["difficulty"] = $controlrow["diff3name"]; }

    $charsheet = gettemplate("onlinechar");
    $page = parsetemplate($charsheet, $userrow);
    display($page, "Character Information");

}

function showmap() {

    global $userrow;

    // Make page tags for XHTML validation.
    $xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
    . "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"DTD/xhtml1-transitional.dtd\">\n"
    . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n";

    $page = $xml . gettemplate("minimal");
    $array = array("content"=>"<center><img src=\"images/map.gif\" alt=\"Map\" /></center>", "title"=>"Map");
    echo parsetemplate($page, $array);
    die();

}

function babblebox() {

    global $userrow;

    if (isset($_POST["babble"])) {
        $safecontent = makesafe($_POST["babble"]);
        if ($safecontent == "" || $safecontent == " ") { //blank post. do nothing.
        } else { $insert = doquery("INSERT INTO {{table}} SET id='',posttime=NOW(),author='".$userrow["charname"]."',babble='$safecontent'", "babble"); }
        header("Location: index.php?do=babblebox");
        die();
    }

    $babblebox = array("content"=>"");
    $bg = 1;
    $babblequery = doquery("SELECT * FROM {{table}} ORDER BY id DESC LIMIT 20", "babble");
    while ($babblerow = mysql_fetch_array($babblequery)) {
        if ($bg == 1) { $new = "<div style=\"width:98%; background-color:#eeeeee;\">[<b>".$babblerow["author"]."</b>] ".$babblerow["babble"]."</div>\n"; $bg = 2; }
        else { $new = "<div style=\"width:98%; background-color:#ffffff;\">[<b>".$babblerow["author"]."</b>] ".stripslashes($babblerow["babble"])."</div>\n"; $bg = 1; }
        $babblebox["content"] = $new . $babblebox["content"];
    }
    $babblebox["content"] .= "<center><form action=\"index.php?do=babblebox\" method=\"post\"><input type=\"text\" name=\"babble\" size=\"15\" maxlength=\"120\" /><br /><input type=\"submit\" name=\"submit\" value=\"Babble\" /> <input type=\"reset\" name=\"reset\" value=\"Clear\" /></form></center>";

    // Make page tags for XHTML validation.
    $xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
    . "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"DTD/xhtml1-transitional.dtd\">\n"
    . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n";
    $page = $xml . gettemplate("babblebox");
    echo parsetemplate($page, $babblebox);
    die();

}

/**
 * NINJA! 🥷
 */
function ninja(): void
{
    exit('NINJA! 🥷');
}