ChooseFirstPlayer.php

<?php

include "WriteLog.php";
include "Libraries/HTTPLibraries.php";
include_once "Libraries/SHMOPLibraries.php";

$gameName = $_GET["gameName"];
if (!IsGameNameValid($gameName)) {
  echo "Invalid game name.";
  exit;
}
$playerID = $_GET["playerID"];
$action = $_GET["action"];
$authKey = $_GET["authKey"];

include "HostFiles/Redirector.php";
include "MenuFiles/ParseGamefile.php";
include "MenuFiles/WriteGamefile.php";


$targetAuth = $playerID == 1 ? $p1Key : $p2Key;
if ($authKey !== $targetAuth) {
  echo "Invalid Auth Key";
  exit;
}

if ($action == "Go First") {
  $firstPlayer = $playerID;
} else {
  $firstPlayer = $playerID == 1 ? 2 : 1;
}
WriteLog("Player $firstPlayer will go first.");
$gameStatus = $MGS_P2Sideboard;
SetCachePiece($gameName, 14, $gameStatus);
GamestateUpdated($gameName);

WriteGameFile();

header("Location: $redirectPath/GameLobby.php?gameName=$gameName&playerID=$playerID");