//loads files for the new game version into the download list
private bool LoadGameFilesIntoDownloadList(VersionsConfig versionsConfig)
{
XmlDocument docUpdate = new XmlDocument();
XmlNode newFilesNode;
XmlNode deletedFilesNode;
long fileSize, version;
string filePath, versionNumber;
try
{
//iterate through the new version from the end to the beginning
for (int i = versionsConfig.VersionsForUpdate.Keys.Count - 1; i >= 0; i--)
{
//set the key
version = versionsConfig.VersionsForUpdate.Keys[i];
//set the version number
versionNumber = versionsConfig.VersionsForUpdate[version].VersionNumber;
//if the version is a full version
if (versionsConfig.VersionsForUpdate[version].IsFullVersion)
{
//load the configuration file of the full version
docUpdate.Load(updaterConfig.ServerPath + versionNumber + "/" +
updaterConfig.FullVersionConfigurationFile);
newFilesNode = docUpdate.SelectSingleNode("/files");
}
//if the version is an update
else
{
//load the configuration file of the update
docUpdate.Load(updaterConfig.ServerPath + versionNumber + "/" +
updaterConfig.UpdateConfigurationFile);
newFilesNode = docUpdate.SelectSingleNode("/update/newFiles");
}
//if new files are existing
if (newFilesNode != null)
{
//iterate through the new files and add them to the installation list if needed
foreach (XmlNode file in newFilesNode.ChildNodes)
{
filePath = file.Attributes["path"].Value;
fileSize = long.Parse(file.SelectSingleNode("size").InnerText);
if (!filesToDownload.ContainsKey(filePath) && !filesToDelete.ContainsKey(filePath))
filesToDownload.Add(filePath,
new TransferFile(versionNumber + "/" + filePath, fileSize, filePath));
}
}
//if old files are existing
deletedFilesNode = docUpdate.SelectSingleNode("/update/deletedFiles");
if (deletedFilesNode != null)
{
//iterate through the old files and add them to the delete list if not needed anymore
foreach (XmlNode file in deletedFilesNode.ChildNodes)
{
filePath = file.Attributes["path"].Value;
if (!filesToDownload.ContainsKey(filePath) && !filesToDelete.ContainsKey(filePath))
filesToDelete.Add(filePath, versionNumber + "/" + filePath);
}
}
}
}
catch (Exception e)
{
ErrorLog.Add(this, e.Message);
return false;
}
return true;
}
//loads files for the new game version into the download list
private bool LoadGameFilesIntoDownloadList(VersionsConfig versionsConfig)
{
XmlDocument docUpdate = new XmlDocument();
XmlNode newFilesNode;
XmlNode deletedFilesNode;
long fileSize, version;
string filePath, versionNumber;
try
{
//iterate through the new version from the end to the beginning
for (int i = versionsConfig.VersionsForUpdate.Keys.Count - 1; i >= 0; i--)
{
//set the key
version = versionsConfig.VersionsForUpdate.Keys[i];
//set the version number
versionNumber = versionsConfig.VersionsForUpdate[version].VersionNumber;
//if the version is a full version
if (versionsConfig.VersionsForUpdate[version].IsFullVersion)
{
//load the configuration file of the full version
docUpdate.Load(updaterConfig.ServerPath + versionNumber + "/" +
updaterConfig.FullVersionConfigurationFile);
newFilesNode = docUpdate.SelectSingleNode("/files");
}
//if the version is an update
else
{
//load the configuration file of the update
docUpdate.Load(updaterConfig.ServerPath + versionNumber + "/" +
updaterConfig.UpdateConfigurationFile);
newFilesNode = docUpdate.SelectSingleNode("/update/newFiles");
}
//if new files are existing
if (newFilesNode != null)
{
//iterate through the new files and add them to the installation list if needed
foreach (XmlNode file in newFilesNode.ChildNodes)
{
filePath = file.Attributes["path"].Value;
fileSize = long.Parse(file.SelectSingleNode("size").InnerText);
if (!filesToDownload.ContainsKey(filePath) && !filesToDelete.ContainsKey(filePath))
{
filesToDownload.Add(filePath,
new TransferFile(versionNumber + "/" + filePath, fileSize, filePath));
}
}
}
//if old files are existing
deletedFilesNode = docUpdate.SelectSingleNode("/update/deletedFiles");
if (deletedFilesNode != null)
{
//iterate through the old files and add them to the delete list if not needed anymore
foreach (XmlNode file in deletedFilesNode.ChildNodes)
{
filePath = file.Attributes["path"].Value;
if (!filesToDownload.ContainsKey(filePath) && !filesToDelete.ContainsKey(filePath))
{
filesToDelete.Add(filePath, versionNumber + "/" + filePath);
}
}
}
}
}
catch (Exception e)
{
ErrorLog.Add(this, e.Message);
return(false);
}
return(true);
}
//checks if a new game version is existing and downloads it
private void GetNewGame()
{
bool needsFullVersion;
GameConfig gameConfig = new GameConfig();
VersionsConfig versionsConfig = new VersionsConfig();
DialogResult res;
//check if there is a game path directory
StatusChanged(this,new StatusEventArgs("Checking game path..."));
if (!Directory.Exists(updaterConfig.GamePath))
{
NeedsGamePath(this, EventArgs.Empty);
return;
}
//load the configuration file of the game
StatusChanged(this,new StatusEventArgs("Loading game configuration file..."));
//if there is NO configuration file a full version is needed
if (!gameConfig.Load(updaterConfig.GamePath + updaterConfig.GameConfigurationFile))
{
StatusChanged(this, new StatusEventArgs("No game found in selected directory!"));
res = MessageBox.Show("In the chosen folder was no game found. Shall it be installed into " +
"the selected directory?", "Install?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (res == DialogResult.No)
{
NeedsGamePath(this, EventArgs.Empty);
return;
}
needsFullVersion = true;
}
//if there is A configuration file an update is needed
else
needsFullVersion = false;
//load the new versions available on the server
StatusChanged(this,new StatusEventArgs("Checking new game versions..."));
versionsConfig.LoadNewVersions(updaterConfig.ServerPath + updaterConfig.VersionsConfigurationFile,
gameConfig.VersionNumber, needsFullVersion);
//if there are new versions
if (versionsConfig.VersionsForUpdate.Count == 0)
{
if (gameConfig.VersionNumber == GameConfig.DefaultVersionNumber)
{
StatusChanged(this, new StatusEventArgs("Unable to install. No version found on server."));
MessageBox.Show("Unable to install. No version found on server.", "No version found",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
OnClose(this, EventArgs.Empty);
}
else
{
StatusChanged(this, new StatusEventArgs("No new Versions found!"));
UpdateFinished(this, EventArgs.Empty);
}
return;
}
//load files for download into list
StatusChanged(this,new StatusEventArgs("Creating file lists..."));
if (!LoadGameFilesIntoDownloadList(versionsConfig))
{
StatusChanged(this,new StatusEventArgs("Error on creating file lists for the game!"));
MessageBox.Show("Error on creating file lists for the game!", "Error!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//create temporary download directory
StatusChanged(this,new StatusEventArgs("Creating temporary download directory..."));
if (!CreateTempFolder())
{
StatusChanged(this,new StatusEventArgs("Error on creating temporary download directory!"));
MessageBox.Show("Error on creating temporary download directory!", "Error!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//start the download
StatusChanged(this,new StatusEventArgs("Downloading..."));
fileTransfer.DownloadFilesAsync(filesToDownload.Values.ToList(), true,
new Uri(updaterConfig.ServerPath), updaterConfig.TempFolder + "/",
delegate(FileTransferResult result) //callback function after download is completed
{
filesToDownload.Clear();
//download successful
if (result == FileTransferResult.Success)
InstallGame(versionsConfig.LatestUpdate);
//download unsuccessful
else
{
MessageBox.Show("Download Failure! Please Try Again",
"Failure!",MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
}
}
);
}
//checks if a new game version is existing and downloads it
private void GetNewGame()
{
bool needsFullVersion;
GameConfig gameConfig = new GameConfig();
VersionsConfig versionsConfig = new VersionsConfig();
DialogResult res;
//check if there is a game path directory
StatusChanged(this, new StatusEventArgs("Checking game path..."));
if (!Directory.Exists(updaterConfig.GamePath))
{
NeedsGamePath(this, EventArgs.Empty);
return;
}
//load the configuration file of the game
StatusChanged(this, new StatusEventArgs("Loading game configuration file..."));
//if there is NO configuration file a full version is needed
if (!gameConfig.Load(updaterConfig.GamePath + updaterConfig.GameConfigurationFile))
{
StatusChanged(this, new StatusEventArgs("No game found in selected directory!"));
res = MessageBox.Show("In the chosen folder was no game found. Shall it be installed into " +
"the selected directory?", "Install?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (res == DialogResult.No)
{
NeedsGamePath(this, EventArgs.Empty);
return;
}
needsFullVersion = true;
}
//if there is A configuration file an update is needed
else
{
needsFullVersion = false;
}
//load the new versions available on the server
StatusChanged(this, new StatusEventArgs("Checking new game versions..."));
versionsConfig.LoadNewVersions(updaterConfig.ServerPath + updaterConfig.VersionsConfigurationFile,
gameConfig.VersionNumber, needsFullVersion);
//if there are new versions
if (versionsConfig.VersionsForUpdate.Count == 0)
{
if (gameConfig.VersionNumber == GameConfig.DefaultVersionNumber)
{
StatusChanged(this, new StatusEventArgs("Unable to install. No version found on server."));
MessageBox.Show("Unable to install. No version found on server.", "No version found",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
OnClose(this, EventArgs.Empty);
}
else
{
StatusChanged(this, new StatusEventArgs("No new Versions found!"));
UpdateFinished(this, EventArgs.Empty);
}
return;
}
//load files for download into list
StatusChanged(this, new StatusEventArgs("Creating file lists..."));
if (!LoadGameFilesIntoDownloadList(versionsConfig))
{
StatusChanged(this, new StatusEventArgs("Error on creating file lists for the game!"));
MessageBox.Show("Error on creating file lists for the game!", "Error!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//create temporary download directory
StatusChanged(this, new StatusEventArgs("Creating temporary download directory..."));
if (!CreateTempFolder())
{
StatusChanged(this, new StatusEventArgs("Error on creating temporary download directory!"));
MessageBox.Show("Error on creating temporary download directory!", "Error!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
return;
}
//start the download
StatusChanged(this, new StatusEventArgs("Downloading..."));
fileTransfer.DownloadFilesAsync(filesToDownload.Values.ToList(), true,
new Uri(updaterConfig.ServerPath), updaterConfig.TempFolder + "/",
delegate(FileTransferResult result) //callback function after download is completed
{
filesToDownload.Clear();
//download successful
if (result == FileTransferResult.Success)
{
InstallGame(versionsConfig.LatestUpdate);
}
//download unsuccessful
else
{
MessageBox.Show("Download Failure! Please Try Again",
"Failure!", MessageBoxButtons.OK, MessageBoxIcon.Error);
OnClose(this, EventArgs.Empty);
}
}
);
}