public static OscMessage GetMessage(int hash)
{
//Debug.Log( "Pool lossy hash count: " + _messageStacks.Count );
Stack <OscMessage> stack;
if (_messageStacks.TryGetValue(hash, out stack) && stack.Count > 0)
{
OscMessage message = stack.Pop();
message.Clear();
return(message);
}
//Debug.Log( Time.frameCount + ": OscPool.GetMessage CREATED MESSAGE! for hash " + hash + " when there was " + _messageStacks.Count + " stacks available.\n" );
//foreach( KeyValuePair<int, Stack<OscMessage>> pair in _messageStacks ) {
// Debug.Log( "\tHash: " + pair.Key + ", message count: " + pair.Value.Count + "\n" );
//}
return(new OscMessage());
}
// Undocumented on purpose.
public static bool TryReadFrom(byte[] data, ref int index, int size, ref OscMessage message)
{
int beginIndex = index;
// If we are not provided with a message, then read the lossy hash and try reuse from the pool.
if (message == null)
{
int hash = OscStringHash.Pack(data, index);
message = OscPool.GetMessage(hash);
}
else
{
if (message._argInfo.Count > 0)
{
message.Clear(); // Ensure that arguments are cleared.
}
}
// Address.
string address = message._address;
if (!StringOscData.TryReadFrom(data, ref index, ref address))
{
Debug.Log(OscDebug.FailedReadingBytesWarning(message));
return(false);
}
message._address = address;
// Tag prefix.
if (data[index] != OscConst.tagPrefixByte)
{
StringBuilder sb = OscDebug.BuildText(message);
sb.Append("Read failed. Tag prefix missing.\n");
Debug.LogWarning(sb.ToString());
return(false);
}
index++;
// Argument tags.
for (int i = index; i < data.Length && data[i] != 0; i++)
{
message._argInfo.Add(new OscArgInfo(data[i], 0));
}
index += message._argInfo.Count;
// Followed by at least one trailing zero, multiple of four bytes.
index += 4 - (index % 4);
//Debug.Log( "READ: Args data start index: " + index );
// Argument data info.
int argDataByteCount = 0;
for (int i = 0; i < message._argInfo.Count; i++)
{
byte tagByte = message._argInfo[i].tagByte;
int argByteCount = 0;
switch (tagByte)
{
case OscConst.tagNullByte:
case OscConst.tagImpulseByte:
case OscConst.tagTrueByte:
case OscConst.tagFalseByte:
break;
case OscConst.tagFloatByte:
case OscConst.tagIntByte:
case OscConst.tagCharByte:
case OscConst.tagColorByte:
case OscConst.tagMidiByte:
argByteCount = 4;
break;
case OscConst.tagDoubleByte:
case OscConst.tagLongByte:
case OscConst.tagTimetagByte:
argByteCount = 8;
break;
case OscConst.tagStringByte:
case OscConst.tagSymbolByte:
argByteCount = StringOscData.EvaluateByteCount(data, index + argDataByteCount);
break;
case OscConst.tagBlobByte:
BlobOscData.TryEvaluateByteCount(data, index + argDataByteCount, out argByteCount);
break;
default:
StringBuilder sb = OscDebug.BuildText(message);
sb.Append("Read failed. Tag '"); sb.Append((char)tagByte); sb.Append("' is not supported\n");
Debug.LogWarning(sb.ToString());
return(false);
}
message._argInfo[i] = new OscArgInfo(tagByte, argByteCount);
//Debug.Log( "i; " + i + ", info: " + message._argInfo[i] );
argDataByteCount += argByteCount;
}
// AdaptiveSet data list.
if (message._argData.Capacity < argDataByteCount)
{
message._argData.Capacity = argDataByteCount;
}
// Read data.
for (int i = 0; i < argDataByteCount; i++)
{
message._argData.Add(data[index++]);
}
// Cache byte count.
message._cachedSize = index - beginIndex;
message._dirtySize = false;
return(true);
}
