public int JumpCompatibility(LevelMetadata level, string searchString)
{
int result = 0;
switch (SortBy)
{
case SortBy.Creator:
result = JumpCompatibility(level.Creator, searchString);
break;
case SortBy.Name:
result = JumpCompatibility(level.Name, searchString);
break;
}
return(result);
}
public bool FindBrokenLink(ref LevelMetadata brokenLevel, ref bool forwardLink)
{
//initialize the out params - assume no broken link
brokenLevel = null;
forwardLink = false;
//First, walk backwards to the first link
LevelMetadata currentLink = this;
LevelMetadata previousLink = null;
LevelMetadata nextLink = null;
while (currentLink.LinkedFromLevel != null)
{
//check to make sure the xml exists
previousLink = currentLink.PreviousLink();
if (null == previousLink)
{
brokenLevel = currentLink;
forwardLink = false; //broke walking backwards
return(true);
}
currentLink = previousLink;
}
//first link now points to the beginning, walk forward to the end, ensuring we
while (currentLink.LinkedToLevel != null)
{
//check to make sure the xml exists
nextLink = currentLink.NextLink();
if (null == nextLink)
{
brokenLevel = currentLink;
forwardLink = false; //broke walking backwards
return(true);
}
currentLink = nextLink;
}
//if we made it this far, all of the links worked out
return(false);
}
internal void LevelAdded(int index, LevelMetadata level)
{
if (level.WorldId == desiredSelection && totalOpCount == 0)
{
// If we were looking for a specific level and the user hasn't explicitly moved the cursor,
// move the cursor to point at the identified level.
totalOpCount += 1;
QueryPointer = index;
}
else if (totalOpCount > 0 && index <= QueryPointer && !Query.IsEmpty)
{
// If we want the cursor to remain on the current level, and the new level being added comes
// before the current selection, this means the current level bumps forward in the query, so
// adjust the selection to remain on the current level.
QueryPointer += 1;
}
additionCallback(this, index - QueryPointer);
}
private bool IsAlreadyDownloaded(LevelMetadata level)
{
string filename = BokuGame.Settings.MediaPath + BokuGame.DownloadsPath + level.WorldId.ToString() + @".Xml";
if (Storage4.FileExists(filename, StorageSource.UserSpace))
{
XmlWorldData xml = XmlWorldData.Load(filename, XnaStorageHelper.Instance);
if (xml != null)
{
LevelMetadata local = LevelMetadata.CreateFromXml(xml);
return(
local.WorldId == level.WorldId &&
local.Creator == level.Creator &&
local.LastWriteTime >= level.LastWriteTime);
}
}
return(false);
}
/// <summary>
/// Start deleting a level from the community server. You must have adequate permissions or the server will deny your request.
/// </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)
{
int index = IndexOf(worldId);
if (index >= 0)
{
LevelMetadata level = allLevels[index];
allLevels.RemoveAt(index);
LevelRemoved(level);
}
return(0 != Web.Community.Async_DelWorldData2(
worldId,
Auth.Pin,
callback,
param));
}
public void StartDownloadingThumbnail(LevelMetadata level, ThumbnailDownloadCompleteEvent callback, bool lowPriority)
{
if (level != null && !level.Thumbnail.IsLoaded && !level.Thumbnail.Loading)
{
LevelBrowserState state = (LevelBrowserState)level.BrowserState;
state.thumbnailCallback = callback;
// If it already exists in the queue, move it to the end.
queuedThumbnailLoads.Remove(level);
queuedThumbnailLoads.Add(level);
}
// Only keep a max of 20 pending thumbnail loads, that way of we're just scrolling
// to the end of the list, we can discard many of these requests as they pass out of view.
while (queuedThumbnailLoads.Count > 20)
{
LevelBrowserState state = (LevelBrowserState)queuedThumbnailLoads[0].BrowserState;
state.thumbnailCallback = null;
queuedThumbnailLoads.RemoveAt(0);
}
}
public static LevelMetadata LoadMetadataByGenre(Guid worldId, Genres genres)
{
string bucket = BokuGame.MyWorldsPath;
if (genres != 0)
{
bucket = Utils.FolderNameFromFlags(genres);
}
string fullPath = BokuGame.Settings.MediaPath + bucket + worldId.ToString() + @".Xml";
Xml.XmlWorldData xml = XmlWorldData.Load(fullPath, XnaStorageHelper.Instance);
if (xml != null)
{
LevelMetadata data = new LevelMetadata();
data.FromXml(xml);
//minor hackery - seems previous versions of kodu will sometimes leave the genres set to 0
//even though they should be updated for the bucket the level is in. Then at load time, a run-time
//genre is set. This code will maintain that behavior for levels loaded through this helper
if (bucket == BokuGame.DownloadsPath)
{
//ensure downloads always have the downloads flag
data.Genres |= Genres.Downloads;
}
else if (bucket == BokuGame.BuiltInWorldsPath)
{
//ensure built in worlds always have the built in flag
data.Genres |= Genres.BuiltInWorlds;
}
else if (bucket == BokuGame.MyWorldsPath)
{
data.Genres |= Genres.MyWorlds;
}
return(data);
}
return(null);
}
public static LevelMetadata LoadMetadataUnknownGenre(Guid worldId)
{
LevelMetadata result = null;
if (CheckWorldExistsByGenre(worldId, Genres.MyWorlds))
{
result = LoadMetadataByGenre(worldId, Genres.MyWorlds);
result.Genres |= Genres.MyWorlds;
}
else if (CheckWorldExistsByGenre(worldId, Genres.Downloads))
{
result = LoadMetadataByGenre(worldId, Genres.Downloads);
result.Genres |= Genres.Downloads;
}
else if (CheckWorldExistsByGenre(worldId, Genres.BuiltInWorlds))
{
result = LoadMetadataByGenre(worldId, Genres.BuiltInWorlds);
result.Genres |= Genres.BuiltInWorlds;
}
return(result);
}
public void Update()
{
lock (Synch)
{
foreach (LevelSetQuery query in queries)
{
query.Update();
}
}
if (thumbnailLoadOpCount == 0 && queuedThumbnailLoads.Count > 0)
{
// Pull from the end of the list to service newer requests first.
LevelMetadata level = queuedThumbnailLoads[queuedThumbnailLoads.Count - 1];
queuedThumbnailLoads.RemoveAt(queuedThumbnailLoads.Count - 1);
thumbnailLoadOpCount += 1;
Web.Community.Async_GetThumbnail(
level.WorldId,
level.Thumbnail,
GotThumbnail,
level);
}
}
public void MetadataUpdated(LevelMetadata level)
{
}
/// <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);
}
} //True allows server side to handle matches
public bool Matches(LevelMetadata item)
{
return(true);
}
/// <summary>
/// Based on the current filter's tags, decides whether or not a level matches.
/// Note that this logic must match the logic on the server side otherwise
/// madness ensues.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
virtual public bool Matches(LevelMetadata item)
{
//check for server side matching
if (ServerSideMatching)
{
return(true);
}
Genres itemGenres = item.Genres;
if (FilterGenres == Genres.All)
{
return(true);
}
// If all the bucket tags are set, don't bother filtering on MyWorlds.
Genres filterBuckets = FilterGenres & Genres.Buckets;
if (filterBuckets != Genres.Buckets)
{
// If MyWorlds is set, filter out anything that the user didn't author.
if ((FilterGenres & Genres.MyWorlds) != 0)
{
// First look for the right name.
if (Auth.CreatorName == item.Creator && !string.IsNullOrEmpty(item.Checksum))
{
if (!Auth.IsValidCreatorChecksum(item.Checksum, item.LastWriteTime))
{
return(false);
}
}
else
{
return(false);
}
}
}
// If no bucket bits are set, that means the bucket is All.
if (filterBuckets == 0 || filterBuckets == Genres.Buckets)
{
// Must be All, so don't filter.
}
else
{
// If any bucket is set, filter out anything that doesn't match.
if ((itemGenres & filterBuckets) == 0)
{
return(false);
}
}
// Now that we've filtered on the buckets, we're left with filtering on
// the individual tags so grab that subset.
Genres filterTags = FilterGenres & Genres.NonBucket;
if (filterTags == Genres.NonBucket)
{
// All set so everything passes.
}
else
{
// Look for any matches.
if ((int)(filterTags & itemGenres) == 0)
{
// No match.
return(false);
}
}
return(true);
}
