private void ScrubTerrainFiles()
{
// Build a list of all terrain files in user storage.
// For each world in local storage (all three bins)
// get the XmlWorldData file
// from the XmlWorldData file, get the terrain filename
// remove that filename from the list
//
// Any terrain filenames still on the list should be deleted
// since they're no longer referenced by any files.
string[] terrainFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.TerrainPath, @"*.raw", StorageSource.UserSpace);
// If nothing to scrub, just return.
if (terrainFiles == null)
{
return;
}
string[] undoFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.UnDoPath, @"*.Xml", StorageSource.UserSpace);
string[] myWorldsFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.MyWorldsPath, @"*.Xml", StorageSource.UserSpace);
string[] starterWorldsFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.BuiltInWorldsPath, @"*.Xml", StorageSource.TitleSpace);
string[] downloadsFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.DownloadsPath, @"*.Xml", StorageSource.UserSpace);
/// Undo/Resume files. We might have to fall back on these if the user deletes the
/// world they are editing and then back back to it.
if (undoFiles != null)
{
for (int i = 0; i < undoFiles.Length; ++i)
{
string filename = undoFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2 != null)
{
string terrainName = Path.Combine(Storage4.UserLocation, BokuGame.Settings.MediaPath, xmlWorldData.xmlTerrainData2.virtualMapFile);
for (int j = 0; j < terrainFiles.Length; ++j)
{
if (terrainName == terrainFiles[j])
{
// Remove this file.
terrainFiles[j] = null;
break;
}
}
}
}
}
// MyWorlds
if (myWorldsFiles != null)
{
for (int i = 0; i < myWorldsFiles.Length; ++i)
{
string filename = myWorldsFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2 != null)
{
string terrainName = Path.Combine(Storage4.UserLocation, BokuGame.Settings.MediaPath, xmlWorldData.xmlTerrainData2.virtualMapFile);
for (int j = 0; j < terrainFiles.Length; ++j)
{
if (terrainName == terrainFiles[j])
{
// Remove this file.
terrainFiles[j] = null;
break;
}
}
}
}
}
// BuiltInWorlds
if (starterWorldsFiles != null)
{
for (int i = 0; i < starterWorldsFiles.Length; ++i)
{
try
{
string filename = starterWorldsFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2 != null)
{
string terrainName = Path.Combine(Storage4.UserLocation, BokuGame.Settings.MediaPath, xmlWorldData.xmlTerrainData2.virtualMapFile);
for (int j = 0; j < terrainFiles.Length; ++j)
{
if (terrainName == terrainFiles[j])
{
// Remove this file.
terrainFiles[j] = null;
break;
}
}
}
}
catch
{
}
}
}
// Downloads
if (downloadsFiles != null)
{
for (int i = 0; i < downloadsFiles.Length; ++i)
{
string filename = downloadsFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2 != null)
{
string terrainName = Path.Combine(Storage4.UserLocation, BokuGame.Settings.MediaPath, xmlWorldData.xmlTerrainData2.virtualMapFile);
for (int j = 0; j < terrainFiles.Length; ++j)
{
if (terrainName == terrainFiles[j])
{
// Remove this file.
terrainFiles[j] = null;
break;
}
}
}
}
}
int deleteCount = 0;
// Now, anything that's left in the list should be fair game for deletion.
for (int i = 0; i < terrainFiles.Length; i++)
{
if (terrainFiles[i] != null)
{
if (Storage4.FileExists(terrainFiles[i], StorageSource.UserSpace))
{
if (Storage4.Delete(terrainFiles[i]))
{
deleteCount += 1;
}
}
}
}
//System.Diagnostics.Debug.WriteLine(String.Format("Scrubbed {0} terrain files", deleteCount));
} // end of ScrubTerrainFiles()
/// <summary>
/// Delete a level from the local system. Returns false if not yet initialized.
/// </summary>
/// <param name="worldId"></param>
/// <param name="callback"></param>
/// <param name="param"></param>
/// <returns></returns>
public bool StartDeletingLevel(
Guid worldId,
Genres bucket,
BokuAsyncCallback callback,
object param)
{
bool deleted = false;
bucket &= Genres.SharableBins;
// Verify exactly one bucket is specified
Debug.Assert(bucket != 0);
Debug.Assert((int)bucket == int.MinValue || MyMath.IsPowerOfTwo((int)bucket));
string worldFilename = null;
string stuffFilename = null;
string thumbFilename = null;
LevelMetadata record = null;
string stuffPath = String.Empty;
string worldPath = String.Empty;
if (0 != (bucket & Genres.MyWorlds))
{
stuffPath = BokuGame.MyWorldsStuffPath;
worldPath = BokuGame.MyWorldsPath;
}
else if (0 != (bucket & Genres.Downloads))
{
stuffPath = BokuGame.DownloadsStuffPath;
worldPath = BokuGame.DownloadsPath;
}
lock (Synch)
{
for (int i = 0; i < allLevels.Count; ++i)
{
record = allLevels[i];
if (record.WorldId == worldId && (record.Genres & bucket) == bucket)
{
worldFilename = Path.Combine(BokuGame.Settings.MediaPath, worldPath + worldId.ToString() + @".Xml");
stuffFilename = Path.Combine(BokuGame.Settings.MediaPath, stuffPath + worldId.ToString() + @".Xml");
thumbFilename = Path.Combine(BokuGame.Settings.MediaPath, worldPath + worldId.ToString());
// Need to get the terrain file before we delete the main file. BUT the terrain should be
// deleted after, otherwise the usage test will find the main file and always thing that
// the terrain file is in use.
string terrainFilename = null;
try
{
// Only delete terrain file if no longer referenced.
XmlWorldData xmlWorldData = XmlWorldData.Load(worldFilename, XnaStorageHelper.Instance);
terrainFilename = xmlWorldData.xmlTerrainData2.virtualMapFile;
}
catch { }
// Note : Delete() handles non-existent files just fine.
Storage4.Delete(worldFilename);
Storage4.Delete(stuffFilename);
Storage4.Delete(thumbFilename + @".dds");
Storage4.Delete(thumbFilename + @".jpg");
Storage4.Delete(thumbFilename + @".png");
// Only deletes terrain file if no other world is using it. (including autosaves)
DeleteTerrainFile(terrainFilename);
LevelMetadata level = allLevels[i];
allLevels.RemoveAt(i);
LevelRemoved_Synched(level);
deleted = true;
break;
}
}
}
AsyncResult result = new AsyncResult();
result.Success = deleted;
result.Param = param;
result.Seconds = 0;
if (callback != null)
{
callback(result);
}
return(deleted);
}
} // end of ScrubTerrainFiles()
/// <summary>
/// Deletes the given terrain file but only after verifying that no world is using it.
/// It any world is found that is using the file then it is not deleted.
///
/// Note this still isn't perfect since when a level is deleted, the terrain file may still be left
/// in the undo stack and hence not deleted. No biggy. It's better than deleting too much and it's
/// much quicker than the above ScrubTerrainFiles().
/// </summary>
/// <param name="terrainFile"></param>
void DeleteTerrainFile(string terrainFile)
{
string[] undoFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.UnDoPath, @"*.Xml", StorageSource.UserSpace);
string[] myWorldsFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.MyWorldsPath, @"*.Xml", StorageSource.UserSpace);
string[] starterWorldsFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.BuiltInWorldsPath, @"*.Xml", StorageSource.TitleSpace);
string[] downloadsFiles = Storage4.GetFiles(BokuGame.Settings.MediaPath + BokuGame.DownloadsPath, @"*.Xml", StorageSource.UserSpace);
/// Undo/Resume files. We might have to fall back on these if the user deletes the
/// world they are editing and then back back to it.
if (undoFiles != null)
{
for (int i = 0; i < undoFiles.Length; ++i)
{
string filename = undoFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null || xmlWorldData.xmlTerrainData2 == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2.virtualMapFile == terrainFile)
{
// Found it, don't delete.
return;
}
}
}
// MyWorlds
if (myWorldsFiles != null)
{
for (int i = 0; i < myWorldsFiles.Length; ++i)
{
string filename = myWorldsFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null || xmlWorldData.xmlTerrainData2 == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2.virtualMapFile == terrainFile)
{
// Found it, don't delete.
return;
}
}
}
// BuiltInWorlds
if (starterWorldsFiles != null)
{
for (int i = 0; i < starterWorldsFiles.Length; ++i)
{
try
{
string filename = starterWorldsFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null || xmlWorldData.xmlTerrainData2 == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2.virtualMapFile == terrainFile)
{
// Found it, don't delete.
return;
}
}
catch
{
}
}
}
// Downloads
if (downloadsFiles != null)
{
for (int i = 0; i < downloadsFiles.Length; ++i)
{
string filename = downloadsFiles[i];
XmlWorldData xmlWorldData = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xmlWorldData == null || xmlWorldData.xmlTerrainData2 == null)
{
continue;
}
if (xmlWorldData.xmlTerrainData2.virtualMapFile == terrainFile)
{
// Found it, don't delete.
return;
}
}
}
// Nothing was found using this terrain file so we can delete it.
try
{
terrainFile = Path.Combine(BokuGame.Settings.MediaPath, terrainFile);
Storage4.Delete(terrainFile);
}
catch (Exception e)
{
if (e != null)
{
}
}
} // end of DeleteTerrainFile()
