/// <summary>
/// Write out the current state of the director and all of its scenes.
/// </summary>
public void SerializeState()
{
// open up isolated storage
using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
{
// if our screen manager directory already exists, delete the contents
if (storage.DirectoryExists(m_sStorageDirName))
{
DeleteState(storage);
}
// otherwise just create the directory
else
{
storage.CreateDirectory(m_sStorageDirName);
}
// create a file we'll use to store the list of screens in the stack
CCLog.Log("Saving CCDirector state to file: " + Path.Combine(m_sStorageDirName, m_sSaveFileName));
try
{
using (IsolatedStorageFileStream stream = storage.OpenFile(Path.Combine(m_sStorageDirName, m_sSaveFileName), FileMode.OpenOrCreate))
{
using (StreamWriter writer = new StreamWriter(stream))
{
// write out the full name of all the types in our stack so we can
// recreate them if needed.
foreach (CCScene scene in m_pobScenesStack)
{
if (scene.IsSerializable)
{
writer.WriteLine(scene.GetType().AssemblyQualifiedName);
}
else
{
CCLog.Log("Scene is not serializable: " + scene.GetType().FullName);
}
}
// Write out our local state
if (m_pRunningScene != null && m_pRunningScene.IsSerializable)
{
writer.WriteLine("m_pRunningScene");
writer.WriteLine(m_pRunningScene.GetType().AssemblyQualifiedName);
}
// Add my own state
// [*]name=value
//
}
}
// now we create a new file stream for each screen so it can save its state
// if it needs to. we name each file "ScreenX.dat" where X is the index of
// the screen in the stack, to ensure the files are uniquely named
int screenIndex = 0;
string fileName = null;
foreach (CCScene scene in m_pobScenesStack)
{
if (scene.IsSerializable)
{
fileName = string.Format(Path.Combine(m_sStorageDirName, m_sSceneSaveFileName), screenIndex);
// open up the stream and let the screen serialize whatever state it wants
using (IsolatedStorageFileStream stream = storage.CreateFile(fileName))
{
scene.Serialize(stream);
}
screenIndex++;
}
}
// Write the current running scene
if (m_pRunningScene != null && m_pRunningScene.IsSerializable)
{
fileName = string.Format(Path.Combine(m_sStorageDirName, m_sSceneSaveFileName), "XX");
// open up the stream and let the screen serialize whatever state it wants
using (IsolatedStorageFileStream stream = storage.CreateFile(fileName))
{
m_pRunningScene.Serialize(stream);
}
}
}
catch (Exception ex)
{
CCLog.Log("Failed to serialize the CCDirector state. Erasing the save files.");
CCLog.Log(ex.ToString());
DeleteState(storage);
}
}
}