private ContentTree ReadContentTree()
{
Stream stream;
if (DualityApp.ExecContext == DualityApp.ExecutionContext.Game)
{
stream = DualityApp.SystemBackend.FileSystem.OpenFile(path, FileAccessMode.Read);
}
else
{
stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read);
}
using (stream)
using (BinaryReader r = new BinaryReader(stream, Encoding.UTF8, true)) {
uint signature = r.ReadUInt32();
if (signature != 0x5A616544u)
{
throw new FileLoadException("Invalid CompressedContent file signature");
}
byte version = r.ReadByte();
if (version > 1)
{
throw new FileLoadException("Unknown CompressedContent version");
}
long dataOffset = r.ReadUInt32() + 4 + 1 + 4;
ContentTree tree = new ContentTree();
ReadContentTreeSection(tree.Root, r, dataOffset);
return(tree);
}
}
public static void Create(string path, ContentTree tree, Func <string, ResourceFlags, ResourceFlags> resourceFlagsModifier = null)
{
using (MemoryStream tableStream = new MemoryStream())
using (MemoryStream dataStream = new MemoryStream()) {
WriteContentTreeSection(tree.Root, tableStream, dataStream, resourceFlagsModifier);
Stream stream;
if (DualityApp.ExecContext == DualityApp.ExecutionContext.Game)
{
stream = DualityApp.SystemBackend.FileSystem.CreateFile(path);
}
else
{
stream = File.Create(path);
}
using (stream) {
using (BinaryWriter w = new BinaryWriter(stream, Encoding.UTF8, true)) {
w.Write((uint)0x5A616544u); // Signature
w.Write((byte)1); // Version
w.Write((uint)tableStream.Position);
}
tableStream.Position = 0;
tableStream.CopyTo(stream);
dataStream.Position = 0;
dataStream.CopyTo(stream);
}
}
}
public void MergeWith(ContentTree tree)
{
foreach (KeyValuePair <string, Node> pair in tree.GetNodeListing())
{
Node node = AddNodeByPath(pair.Key);
if (pair.Value.Source != null)
{
node.Source = pair.Value.Source;
}
}
}
public CompressedContent(string path)
{
this.path = path;
this.tree = ReadContentTree();
}