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This commit is contained in:
Chris Forbes
2009-12-01 18:29:24 +13:00
parent 1b8208892d
commit 116f7d3b53
2 changed files with 34 additions and 39 deletions
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63
OpenRa.Game/OrderManager.cs
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@@ -108,12 +108,11 @@ namespace OpenRa.Game
{
try
{
uint fn;
var len = replayReader.ReadInt32() - 4;
var frame = replayReader.ReadInt32();
var ret = replayReader.ReadBytes( len ).ToOrderList();
var len = replayReader.ReadInt32();
var ret = replayReader.ReadBytes( len ).ToOrderList( out fn );
if( frameNumber != fn )
if( frameNumber != frame )
throw new InvalidOperationException( "Attempted time-travel in OrdersForFrame (replay)" );
return ret;
@@ -135,7 +134,7 @@ namespace OpenRa.Game
int nextLocalOrderFrame = 1;
TcpClient socket;
Dictionary<int, byte[]> orderBuffers = new Dictionary<int, byte[]>();
Dictionary<int, List<byte[]>> orderBuffers = new Dictionary<int, List<byte[]>>();
public NetworkOrderSource( TcpClient socket )
{
@@ -143,43 +142,42 @@ namespace OpenRa.Game
this.socket.NoDelay = true;
var reader = new BinaryReader( socket.GetStream() );
var nextFrameId = BitConverter.GetBytes( nextLocalOrderFrame );
socket.GetStream().Write( nextFrameId, 0, nextFrameId.Length );
new Thread( () =>
{
var firstFrameNum = reader.ReadInt32();
if( firstFrameNum != 0 )
throw new InvalidOperationException( "Wrong frame number at start of stream" );
var currentFrame = 0;
var ret = new List<Order>();
while( true )
for (; ; )
{
var len = reader.ReadInt32();
var buf = reader.ReadBytes( len );
var frame = reader.ReadInt32();
var buf = reader.ReadBytes(len - 4);
lock( orderBuffers )
orderBuffers[ currentFrame ] = buf;
++currentFrame;
lock (orderBuffers)
{
/* accumulate this chunk */
if (orderBuffers[frame] == null)
orderBuffers[frame] = new List<byte[]>();
orderBuffers[frame].Add(buf);
}
}
} ) { IsBackground = true }.Start();
}
static List<byte[]> NoOrders = new List<byte[]>();
List<byte[]> ExtractOrders(int frame)
{
lock (orderBuffers)
{
List<byte[]> result;
return orderBuffers.TryGetValue(frame, out result)
? result : NoOrders;
}
}
public List<Order> OrdersForFrame( int currentFrame )
{
// TODO: prune `orderBuffers` based on currentFrame.
byte[] orderBuffer;
lock( orderBuffers )
orderBuffer = orderBuffers[ currentFrame ];
var orderData = ExtractOrders(currentFrame);
/* todo: immediate orders hooked in here? */
uint frameNumber;
var ret = orderBuffer.ToOrderList( out frameNumber );
if( frameNumber != currentFrame )
throw new InvalidOperationException( "Attempted time-travel in OrdersForFrame (network)" );
return ret;
return orderData.SelectMany(a => a.ToOrderList()).ToList();
}
public void SendLocalOrders( int localFrame, List<Order> localOrders )
@@ -223,11 +221,10 @@ namespace OpenRa.Game
ms.WriteTo( s );
}
public static List<Order> ToOrderList( this byte[] bytes, out uint frameNumber )
public static List<Order> ToOrderList( this byte[] bytes )
{
var ms = new MemoryStream( bytes );
var reader = new BinaryReader( ms );
frameNumber = reader.ReadUInt32();
var ret = new List<Order>();
while( ms.Position < ms.Length )
ret.Add( Order.Deserialize( reader ) );