UnrealEngineUWP/Engine/Source/Programs/AutomationTool/HTML5/HTML5Platform.Automation.cs

// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Linq;
using System.Text;
using System.IO;
using AutomationTool;
using UnrealBuildTool;
using System.Diagnostics;
using System.Threading;

public class HTML5Platform : Platform
{
 	public HTML5Platform()
		: base(UnrealTargetPlatform.HTML5)
	{
	}

	public override void Package(ProjectParams Params, DeploymentContext SC, int WorkingCL)
	{
		Log("Package {0}", Params.RawProjectPath);
        
		string PackagePath = Path.Combine(Path.GetDirectoryName(Params.RawProjectPath), "Binaries", "HTML5");
		if (!Directory.Exists(PackagePath))
		{
			Directory.CreateDirectory(PackagePath);
		}
		string FinalDataLocation = Path.Combine(PackagePath, Params.ShortProjectName) + ".data";

		    // we need to operate in the root
            using (new PushedDirectory(Path.Combine(Params.BaseStageDirectory, "HTML5")))
            {
                string PythonPath = HTML5SDKInfo.PythonPath();
                string PackagerPath = HTML5SDKInfo.EmscriptenPackager();

                string CmdLine = string.Format("{0} \"{1}\" --preload . --js-output=\"{1}.js\"", PackagerPath, FinalDataLocation);
                RunAndLog(CmdEnv, PythonPath, CmdLine);
            }

            // copy the "Executable" to the package directory
            string GameExe = Path.GetFileNameWithoutExtension(Params.ProjectGameExeFilename);
            if (Params.ClientConfigsToBuild[0].ToString() != "Development")
            {
                GameExe += "-HTML5-" + Params.ClientConfigsToBuild[0].ToString();
            }
            GameExe += ".js";
            if (Path.Combine(Path.GetDirectoryName(Params.ProjectGameExeFilename), GameExe) != Path.Combine(PackagePath, GameExe))
            {
                File.Copy(Path.Combine(Path.GetDirectoryName(Params.ProjectGameExeFilename), GameExe), Path.Combine(PackagePath, GameExe), true);
                File.Copy(Path.Combine(Path.GetDirectoryName(Params.ProjectGameExeFilename), GameExe) + ".mem", Path.Combine(PackagePath, GameExe) + ".mem", true);
            }
            File.SetAttributes(Path.Combine(PackagePath, GameExe), FileAttributes.Normal);
            File.SetAttributes(Path.Combine(PackagePath, GameExe) + ".mem", FileAttributes.Normal);

            // put the HTML file to the package directory
            string TemplateFile = Path.Combine(CombinePaths(CmdEnv.LocalRoot, "Engine"), "Build", "HTML5", "Game.html.template");
            string OutputFile = Path.Combine(PackagePath, (Params.ClientConfigsToBuild[0].ToString() != "Development" ? (Params.ShortProjectName + "-HTML5-" + Params.ClientConfigsToBuild[0].ToString()) : Params.ShortProjectName)) + ".html";

            // find Heap Size.
            ulong HeapSize;
            var ConfigCache = new UnrealBuildTool.ConfigCacheIni(UnrealTargetPlatform.HTML5, "Engine", Path.GetDirectoryName(Params.RawProjectPath), CombinePaths(CmdEnv.LocalRoot, "Engine"));

            int ConfigHeapSize;
            if (!ConfigCache.GetInt32("BuildSettings", "HeapSize" + Params.ClientConfigsToBuild[0].ToString(), out ConfigHeapSize)) // in Megs.
            {
                // we couldn't find a per config heap size, look for a common one.
                if (!ConfigCache.GetInt32("BuildSettings", "HeapSize", out ConfigHeapSize))
                {
                    ConfigHeapSize = Params.IsCodeBasedProject ? 1024 : 512;
                    Log("Could not find Heap Size setting in .ini for Client config {0}", Params.ClientConfigsToBuild[0].ToString());
                }
            }

            HeapSize = (ulong)ConfigHeapSize * 1024L * 1024L; // convert to bytes.
            Log("Setting Heap size to {0} Mb ", ConfigHeapSize);


            GenerateFileFromTemplate(TemplateFile, OutputFile, Params.ShortProjectName, Params.ClientConfigsToBuild[0].ToString(), Params.StageCommandline, !Params.IsCodeBasedProject, HeapSize);

            // copy the jstorage files to the binaries directory
            string JSDir = Path.Combine(CombinePaths(CmdEnv.LocalRoot, "Engine"), "Build", "HTML5");
            string OutDir = PackagePath;
            File.Copy(JSDir + "/json2.js", OutDir + "/json2.js", true);
            File.SetAttributes(OutDir + "/json2.js", FileAttributes.Normal);
            File.Copy(JSDir + "/jstorage.js", OutDir + "/jstorage.js", true);
            File.SetAttributes(OutDir + "/jstorage.js", FileAttributes.Normal);
            File.Copy(JSDir + "/moz_binarystring.js", OutDir + "/moz_binarystring.js", true);
            File.SetAttributes(OutDir + "/moz_binarystring.js", FileAttributes.Normal);
            PrintRunTime();
	}


    public override bool RequiresPackageToDeploy
    {
        get { return true; }
    }


	protected void GenerateFileFromTemplate(string InTemplateFile, string InOutputFile, string InGameName, string InGameConfiguration, string InArguments, bool IsContentOnly, ulong HeapSize)
	{
		StringBuilder outputContents = new StringBuilder();
		using (StreamReader reader = new StreamReader(InTemplateFile))
		{
			string LineStr = null;
			while (reader.Peek() != -1)
			{
				LineStr = reader.ReadLine();
				if (LineStr.Contains("%GAME%"))
				{
					LineStr = LineStr.Replace("%GAME%", InGameName);
				}

				if (LineStr.Contains("%HEAPSIZE%"))
				{
					LineStr = LineStr.Replace("%HEAPSIZE%", HeapSize.ToString());
				}

				if (LineStr.Contains("%CONFIG%"))
				{
					if (IsContentOnly)
						InGameName = "UE4Game";
					LineStr = LineStr.Replace("%CONFIG%", (InGameConfiguration != "Development" ? (InGameName + "-HTML5-" + InGameConfiguration) : InGameName));
				}

				if (LineStr.Contains("%UE4CMDLINE%"))
				{
					InArguments = InArguments.Replace ("\"", "");
					string[] Arguments = InArguments.Split(' ');
					string ArgumentString = IsContentOnly ? "'" + InGameName + "/" + InGameName + ".uproject '," : "";
					for (int i = 0; i < Arguments.Length - 1; ++i)
					{
						ArgumentString += "'";
			   		    ArgumentString += Arguments[i];
						ArgumentString += "'";
						ArgumentString += ",' ',";
					}
					if (Arguments.Length > 0)
					{
						ArgumentString += "'";
						ArgumentString += Arguments[Arguments.Length - 1];
						ArgumentString += "'";
					}
					LineStr = LineStr.Replace("%UE4CMDLINE%", ArgumentString);

				}

				outputContents.AppendLine(LineStr);
			}
		}

		if (outputContents.Length > 0)
		{
			// Save the file
			try
			{
				Directory.CreateDirectory(Path.GetDirectoryName(InOutputFile));
				File.WriteAllText(InOutputFile, outputContents.ToString(), Encoding.UTF8);
			}
			catch (Exception)
			{
				// Unable to write to the project file.
			}
		}
	}

	public override void GetFilesToDeployOrStage(ProjectParams Params, DeploymentContext SC)
	{
	}

	public override void GetFilesToArchive(ProjectParams Params, DeploymentContext SC)
	{
		if (SC.StageTargetConfigurations.Count != 1)
		{
			throw new AutomationException("iOS is currently only able to package one target configuration at a time, but StageTargetConfigurations contained {0} configurations", SC.StageTargetConfigurations.Count);
		}

		string PackagePath = Path.Combine(Path.GetDirectoryName(Params.RawProjectPath), "Binaries", "HTML5");
		string FinalDataLocation = Path.Combine(PackagePath, Params.ShortProjectName) + ".data";

		// copy the "Executable" to the archive directory
		string GameExe = Path.GetFileNameWithoutExtension(Params.ProjectGameExeFilename);
		if (Params.ClientConfigsToBuild[0].ToString() != "Development")
		{
			GameExe += "-HTML5-" + Params.ClientConfigsToBuild[0].ToString();
		}
		GameExe += ".js";

		// put the HTML file to the package directory
		string OutputFile = Path.Combine(PackagePath, (Params.ClientConfigsToBuild[0].ToString() != "Development" ? (Params.ShortProjectName + "-HTML5-" + Params.ClientConfigsToBuild[0].ToString()) : Params.ShortProjectName)) + ".html";

		SC.ArchiveFiles(PackagePath, Path.GetFileName(FinalDataLocation));
		SC.ArchiveFiles(PackagePath, Path.GetFileName(FinalDataLocation + ".js"));
		SC.ArchiveFiles(PackagePath, Path.GetFileName(GameExe));
		SC.ArchiveFiles(PackagePath, Path.GetFileName(GameExe + ".mem"));
		SC.ArchiveFiles(PackagePath, Path.GetFileName("json2.js"));
		SC.ArchiveFiles(PackagePath, Path.GetFileName("jstorage.js"));
		SC.ArchiveFiles(PackagePath, Path.GetFileName("moz_binarystring.js"));
		SC.ArchiveFiles(PackagePath, Path.GetFileName(OutputFile));
	}

	public override ProcessResult RunClient(ERunOptions ClientRunFlags, string ClientApp, string ClientCmdLine, ProjectParams Params)
	{
		// look for browser
		var ConfigCache = new UnrealBuildTool.ConfigCacheIni(UnrealTargetPlatform.HTML5, "Engine", Path.GetDirectoryName(Params.RawProjectPath), CombinePaths(CmdEnv.LocalRoot, "Engine"));

		string DeviceSection;

		if ( Utils.IsRunningOnMono )
		{
			DeviceSection = "HTML5DevicesMac";
		}
		else
		{
			DeviceSection = "HTML5DevicesWindows";
		}

		string browserPath;
		string DeviceName = Params.Device.Split('@')[1];
		DeviceName = DeviceName.Substring(0, DeviceName.LastIndexOf(" on "));
		bool ok = ConfigCache.GetString(DeviceSection, DeviceName, out browserPath);

		if (!ok)
			throw new System.Exception ("Incorrect browser configuration in HTML5Engine.ini ");

		// open the webpage
		string directory = Path.GetDirectoryName(ClientApp);
		string url = Path.GetFileName(ClientApp) +".html";
		// Are we running via cook on the fly server?
		// find our http url - This is awkward because RunClient doesn't have real information that NFS is running or not.
		bool IsCookOnTheFly = false;

		// 9/24/2014 @fixme - All this is convoluted, clean up.
		// looks like cookonthefly commandline stopped adding protocol or the port :/ hard coding to DEFAULT_TCP_FILE_SERVING_PORT+1 (DEFAULT_HTTP_FILE_SERVING_PORT)
		// This will fail if the NFS server is started with a different port - we need to modify driver .cs script to pass in IP/Port data correctly. 

		if (ClientCmdLine.Contains("filehostip"))
		{
			IsCookOnTheFly = true; 
			url = "http://127.0.0.1:41898/" + url; 
		}

		if (IsCookOnTheFly)
		{
			url += "?cookonthefly=true";
		}
		else
		{
			url = "http://127.0.0.1:8000/" + url;
			// this will be killed UBT instances dies.
			string input = String.Format(" -m SimpleHTTPServer 8000");

            string PythonPath = HTML5SDKInfo.PythonPath();
            ProcessResult Result = ProcessManager.CreateProcess(PythonPath, true, "html5server.log");
            Result.ProcessObject.StartInfo.FileName = PythonPath;
			Result.ProcessObject.StartInfo.UseShellExecute = false;
			Result.ProcessObject.StartInfo.RedirectStandardOutput = true;
			Result.ProcessObject.StartInfo.RedirectStandardInput = true;
			Result.ProcessObject.StartInfo.WorkingDirectory = directory;
			Result.ProcessObject.StartInfo.Arguments = input;
			Result.ProcessObject.Start();

			Result.ProcessObject.OutputDataReceived += delegate(object sender, System.Diagnostics.DataReceivedEventArgs e)
			{
				System.Console.WriteLine(e.Data);
			};

			System.Console.WriteLine("Starting Browser Process");


			// safari specific hack.
			string argument = url; 
			if (browserPath.Contains ("Safari") && Utils.IsRunningOnMono)
				argument = "";

			// Chrome issue. Firefox may work like this in the future
			bool bBrowserWillSpawnProcess = browserPath.Contains("chrome") || (browserPath.Contains("Google Chrome") && Utils.IsRunningOnMono);

			ProcessResult SubProcess = null;
			ProcessResult ClientProcess = Run(browserPath, argument, null, ClientRunFlags | ERunOptions.NoWaitForExit);
			var ProcStartTime = ClientProcess.ProcessObject.StartTime;
			var ProcName = ClientProcess.ProcessObject.ProcessName;

			ClientProcess.ProcessObject.EnableRaisingEvents = true;
			ClientProcess.ProcessObject.Exited += delegate(System.Object o, System.EventArgs e)
			{
				System.Console.WriteLine("Browser Process Ended (PID={0})", ClientProcess.ProcessObject.Id);
				var bFoundChildProcess = true;
				if (bBrowserWillSpawnProcess)
				{
					bFoundChildProcess = false;
					// Chrome spawns a process from the tab it opens and then lets the process we spawned die, so
					// catch that process and attach to that instead.
					var CurrentProcesses = Process.GetProcesses();
					foreach (var item in CurrentProcesses)
					{
						if (item.Id != ClientProcess.ProcessObject.Id && item.ProcessName == ProcName && item.StartTime >= ProcStartTime && item.StartTime <= ClientProcess.ProcessObject.ExitTime)
						{
							var PID = item.Id;
							System.Console.WriteLine("Found Process {0} with PID {1} which started at {2}. Waiting on that process to end.", item.ProcessName, item.Id, item.StartTime.ToString());
							SubProcess = new ProcessResult(item.ProcessName, item, true, item.ProcessName);
							item.EnableRaisingEvents = true;
							item.Exited += delegate(System.Object o2, System.EventArgs e2)
							{
								System.Console.WriteLine("Browser Process Ended (PID={0}) - Killing Webserver", PID);
								Result.ProcessObject.StandardInput.Close();
								Result.ProcessObject.Kill();
							};
							bFoundChildProcess = true;
						}
					}
				}

				if (!bFoundChildProcess)
				{
					System.Console.WriteLine("- Killing Webserver", ClientProcess.ProcessObject.Id);
					Result.ProcessObject.StandardInput.Close();
					Result.ProcessObject.Kill();
				}
			};

			if (bBrowserWillSpawnProcess)
			{
				//Wait for it to do so...
				ClientProcess.ProcessObject.WaitForExit();
				ClientProcess = SubProcess;
			}

			// safari needs a hack. 
			// http://superuser.com/questions/689315/run-safari-from-terminal-with-given-url-address-without-open-command

			if (browserPath.Contains ("Safari") && Utils.IsRunningOnMono) 
			{
				// ClientProcess.ProcessObject.WaitForInputIdle ();
				Thread.Sleep (2000);
				Process.Start("/usr/bin/osascript"," -e 'tell application \"Safari\" to open location \"" + url + "\"'" );
			}

			return ClientProcess;
		}

		System.Console.WriteLine("Browser Path " + browserPath);
		ProcessResult BrowserProcess = Run(browserPath, url, null, ClientRunFlags | ERunOptions.NoWaitForExit);
	
		return BrowserProcess;

	}

	public override string GetCookPlatform(bool bDedicatedServer, bool bIsClientOnly, string CookFlavor)
	{
		return "HTML5";
	}

	public override bool DeployPakInternalLowerCaseFilenames()
	{
		return false;
	}

    public override PakType RequiresPak(ProjectParams Params)
    {
        return PakType.Never;
    }

	public override bool DeployLowerCaseFilenames(bool bUFSFile)
	{
		return false;
	}

	public override string LocalPathToTargetPath(string LocalPath, string LocalRoot)
	{
		return LocalPath;//.Replace("\\", "/").Replace(LocalRoot, "../../..");
	}

	public override bool IsSupported { get { return true; } }

	public override List<string> GetDebugFileExtentions()
	{
		return new List<string> { ".pdb" };
	}
	#region Hooks

	public override void PreBuildAgenda(UE4Build Build, UE4Build.BuildAgenda Agenda)
	{
	}

	public override List<string> GetExecutableNames(DeploymentContext SC, bool bIsRun = false)
	{
		var ExecutableNames = new List<String>();
		ExecutableNames.Add(Path.Combine(SC.ProjectRoot, "Binaries", "HTML5", SC.ShortProjectName));
		return ExecutableNames;
	}
	#endregion
}