OpenRCT2/openrct2.deps.targets

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  
  <!-- DownloadDependency task -->
  <UsingTask TaskName="DownloadDependency"
             TaskFactory="CodeTaskFactory"
             AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll">
    <ParameterGroup>
      <Name            Required="true"  ParameterType="System.String" />
      <Url             Required="true"  ParameterType="System.String" />
      <Sha1            Required="true"  ParameterType="System.String" />
      <CheckFile       Required="false" ParameterType="System.String" />
      <OutputDirectory Required="true"  ParameterType="System.String" />
    </ParameterGroup>
    <Task>
      <Reference Include="System.IO.Compression, Version=4.0.0.0" />
      <Reference Include="System.IO.Compression.FileSystem" />
      <Using Namespace="System"/>
      <Using Namespace="System.IO"/>
      <Using Namespace="System.IO.Compression"/>
      <Using Namespace="System.Net"/>
      <Using Namespace="System.Text"/>
      <Using Namespace="Microsoft.Build.Framework"/>
      <Using Namespace="Microsoft.Build.Utilities"/>
      <Code Type="Method" Language="cs">
        <![CDATA[
          public override bool Execute()
          {
              if (!String.IsNullOrEmpty(CheckFile))
              {
                  string checkSha1 = GetSha1FromCheckFile(CheckFile, Name);
                  if (String.Equals(checkSha1, Sha1, StringComparison.OrdinalIgnoreCase) && Directory.Exists(OutputDirectory))
                  {
                      Log.LogMessage(MessageImportance.Normal, String.Format("{0} up to date", Name));
                      return true;
                  }
              }

              string tempFile = Path.GetTempFileName();
              try
              {
                  // Download the file
                  Log.LogMessage(MessageImportance.High, String.Format("Downloading '{0}'.", Url));
                  var client = new WebClient();
                  client.DownloadFile(Url, tempFile);

                  // Check the file matches
                  string actualSha1;
                  if (!CheckFileSha1(tempFile, Sha1, out actualSha1))
                  {
                      Log.LogError("Download file did not match expected SHA1\n  expected: {0}\n  actual: {1}", Sha1, actualSha1);
                      return false;
                  }

                  // Extract contents
                  Log.LogMessage(MessageImportance.High, String.Format("Extracting to '{0}'.", OutputDirectory));
                  if (!Directory.Exists(OutputDirectory))
                  {
                      Directory.CreateDirectory(OutputDirectory);
                  }
                  ExtractZip(tempFile, OutputDirectory, overwrite: true);

                  SetSha1InCheckFile(CheckFile, Name, Sha1);
              }
              catch (Exception ex)
              {
                  Log.LogErrorFromException(ex, showStackTrace: false);
              }
              finally
              {
                  try
                  {
                      File.Delete(tempFile);
                  }
                  catch
                  {
                  }
              }

              return true;
          }

          private string GetSha1FromCheckFile(string checkFile, string name)
          {
              string result = null;
              try
              {
                  if (File.Exists(checkFile))
                  {
                      string[] lines = File.ReadAllLines(checkFile);
                      string sha1;
                      GetCheckFileLineIndexSha1(lines, name, out sha1);
                      return sha1;
                  }
              }
              catch (Exception ex)
              {
                  Log.LogWarningFromException(ex, showStackTrace: false);
              }
              return result;
          }

          private void SetSha1InCheckFile(string checkFile, string name, string sha1)
          {
              try
              {
                  string newLine = String.Format("{0} = {1}", name, sha1.ToLower());
                  string[] lines = new string[0];
                  int lineIndex = -1;
                  if (File.Exists(checkFile))
                  {
                      lines = File.ReadAllLines(checkFile);
                      string oldsha1;
                      lineIndex = GetCheckFileLineIndexSha1(lines, name, out oldsha1);
                  }
                  if (lineIndex == -1)
                  {
                      if (lines.Length == 0 || lines[lines.Length - 1].Trim().Length > 0)
                      {
                          Array.Resize(ref lines, lines.Length + 1);
                      }
                      lineIndex = lines.Length - 1;

                      // End with new line
                      Array.Resize(ref lines, lines.Length + 1);
                  }
                  lines[lineIndex] = newLine;
                  File.WriteAllLines(checkFile, lines);
              }
              catch (Exception ex)
              {
                  Log.LogWarningFromException(ex, showStackTrace: false);
              }
          }

          private int GetCheckFileLineIndexSha1(string[] lines, string name, out string sha1)
          {
              for (int i = 0; i < lines.Length; i++)
              {
                  string line = lines[i];
                  string[] lineParts = line.Split('=');
                  if (lineParts.Length == 2)
                  {
                      string lineTag = lineParts[0].Trim();
                      string lineSha1 = lineParts[1].Trim();
                      if (lineTag == name)
                      {
                          sha1 = lineSha1;
                          return i;
                      }
                  }
              }
              sha1 = null;
              return -1;
          }

          private bool CheckFileSha1(string file, string expectedSha1, out string actualSha1)
          {
              using (var fs = new FileStream(file, FileMode.Open))
              {
                  var hasher = System.Security.Cryptography.SHA1.Create();
                  byte[] hash = hasher.ComputeHash(fs);
                  actualSha1 = BytesToHexString(hash);
                  if (String.Equals(actualSha1, expectedSha1, StringComparison.OrdinalIgnoreCase))
                  {
                      return true;
                  }
              }
              return false;
          }

          private string BytesToHexString(byte[] data)
          {
              var sb = new StringBuilder();
              foreach (byte b in data)
              {
                  sb.Append(b.ToString("x2"));
              }
              return sb.ToString();
          }

          private static void ExtractZip(string zipPath, string destinationDirectory, bool overwrite)
          {
              var archive = ZipFile.OpenRead(zipPath);
              if (!overwrite)
              {
                  archive.ExtractToDirectory(destinationDirectory);
                  return;
              }
              foreach (ZipArchiveEntry file in archive.Entries)
              {
                  string fileName = Path.Combine(destinationDirectory, file.FullName);
                  string directory = Path.GetDirectoryName(fileName);
                  if (!Directory.Exists(directory))
                  {
                      Directory.CreateDirectory(directory);
                  }
                  if (file.Name != String.Empty)
                  {
                      file.ExtractToFile(fileName, true);
                  }
              }
          }
        ]]>
      </Code>
    </Task>
  </UsingTask>
  
  <!-- 3rd party libraries / dependencies -->
  <PropertyGroup>
    <RootDir>$(MsBuildThisFileDirectory)</RootDir>
    <DependenciesCheckFile>$(RootDir).dependencies</DependenciesCheckFile>
    <LibsUrl Condition="'$(Platform)'=='ARM64'">https://github.com/OpenRCT2/Dependencies/releases/download/v37/openrct2-libs-v37-arm64-windows-static.zip</LibsUrl>
    <LibsSha1 Condition="'$(Platform)'=='ARM64'">508bbd39b9be3d746ed8e17b6c0e7a79f6fa13c8</LibsSha1>
    <LibsUrl Condition="'$(Platform)'=='x64'">https://github.com/OpenRCT2/Dependencies/releases/download/v37/openrct2-libs-v37-x64-windows-static.zip</LibsUrl>
    <LibsSha1 Condition="'$(Platform)'=='x64'">28fabdb3fe8ddb7c73cd1c5e57ec8df5bd6232e5</LibsSha1>
    <LibsUrl Condition="'$(Platform)'=='Win32'">https://github.com/OpenRCT2/Dependencies/releases/download/v37/openrct2-libs-v37-x86-windows-static.zip</LibsUrl>
    <LibsSha1 Condition="'$(Platform)'=='Win32'">9984c1e317dcfb3aaf8e17f1db2ebb0f771e2373</LibsSha1>
    <TitleSequencesUrl>https://github.com/OpenRCT2/title-sequences/releases/download/v0.4.14/title-sequences.zip</TitleSequencesUrl>
    <TitleSequencesSha1>6c04781b959b468e1f65ec2d2f21f5aaa5e5724d</TitleSequencesSha1>
    <ObjectsUrl>https://github.com/OpenRCT2/objects/releases/download/v1.7.1/objects.zip</ObjectsUrl>
    <ObjectsSha1>6bfcb5f8dbd87b049071088baba029d8215f969c</ObjectsSha1>
    <OpenSFXUrl>https://github.com/OpenRCT2/OpenSoundEffects/releases/download/v1.0.5/opensound.zip</OpenSFXUrl>
    <OpenSFXSha1>b1b1f1b241d2cbff63a1889c4dc5a09bdf769bfb</OpenSFXSha1>
    <OpenMSXUrl>https://github.com/OpenRCT2/OpenMusic/releases/download/v1.6/openmusic.zip</OpenMSXUrl>
    <OpenMSXSha1>ba170fa6d777b309c15420f4b6eb3fa25082a9d1</OpenMSXSha1>
    <ReplaysUrl>https://github.com/OpenRCT2/replays/releases/download/v0.0.89/replays.zip</ReplaysUrl>
    <ReplaysSha1>089CB8EEA76A98028367FDDE72675E9309AB9036</ReplaysSha1>
  </PropertyGroup>
  
  <!-- Unified Dependency Target -->
  <Target Name="DownloadAllDependencies" 
          BeforeTargets="PrepareForBuild"
          DependsOnTargets="DownloadLibs;DownloadTitleSequences;DownloadObjects;DownloadOpenSFX;DownloadOpenMSX;DownloadReplays">
    
    <!-- Add completion marker -->
    <Touch Files="$(DependenciesCheckFile)" AlwaysCreate="true" />
  </Target>

  <!-- Target Implementations -->
  <Target Name="DownloadLibs">
    <!-- libs -->
    <DownloadDependency Name="Libs"
                        Url="$(LibsUrl)"
                        Sha1="$(LibsSha1)"
                        CheckFile="$(DependenciesCheckFile)"
                        OutputDirectory="$(RootDir)lib\$(Platform)" />
                        

                        
  </Target>
                        
  <!-- Target to download the title sequences -->
  <Target Name="DownloadTitleSequences">
    <DownloadDependency Name="TitleSequences"
                        Url="$(TitleSequencesUrl)"
                        Sha1="$(TitleSequencesSha1)"
                        CheckFile="$(DependenciesCheckFile)"
                        OutputDirectory="$(TargetDir)data\sequence" />
  </Target>

  <!-- Target to download the objects -->
  <Target Name="DownloadObjects">
    <DownloadDependency Name="Objects"
                        Url="$(ObjectsUrl)"
                        Sha1="$(ObjectsSha1)"
                        CheckFile="$(DependenciesCheckFile)"
                        OutputDirectory="$(TargetDir)data\object" />
  </Target>

  <!-- Target to download OpenSFX -->
  <Target Name="DownloadOpenSFX">
    <DownloadDependency Name="OpenSFX"
                        Url="$(OpenSFXUrl)"
                        Sha1="$(OpenSFXSha1)"
                        CheckFile="$(DependenciesCheckFile)"
                        OutputDirectory="$(TargetDir)data" />
  </Target>

  <!-- Target to download OpenMSX -->
  <Target Name="DownloadOpenMSX">
    <DownloadDependency Name="OpenMSX"
                        Url="$(OpenMSXUrl)"
                        Sha1="$(OpenMSXSha1)"
                        CheckFile="$(DependenciesCheckFile)"
                        OutputDirectory="$(TargetDir)data" />
  </Target>

  <!-- Target to download replays -->
  <Target Name="DownloadReplays">
    <DownloadDependency Name="Replays"
                        Url="$(ReplaysUrl)"
                        Sha1="$(ReplaysSha1)"
                        CheckFile="$(DependenciesCheckFile)"
                        OutputDirectory="$(TargetDir)testdata\replays" />
  </Target>
  
</Project>