private void PrepareNextPacket() {
byte num = (byte)this.baseStream.ReadByte();
byte num2 = (byte)this.baseStream.ReadByte();
byte num3 = (byte)this.baseStream.ReadByte();
int len = ( num + ( num2 << 8 ) ) + ( num3 << 0x10 );
this.baseStream.ReadByte();
int num5 = ( this.baseStream.ReadByte() + ( this.baseStream.ReadByte() << 8 ) ) + ( this.baseStream.ReadByte() << 0x10 );
if( num5 == 0 ) {
num5 = len;
this.zInStream = null;
} else {
this.ReadNextPacket( len );
MemoryStream stream = new MemoryStream( this.inBuffer );
this.zInStream = new ZInputStream( stream );
this.zInStream.maxInput = len;
}
this.inPos = 0;
this.maxInPos = num5;
}
public override int Read( byte[] buffer, int offset, int count ) {
int num2;
if( buffer == null ) {
throw new ArgumentNullException( "buffer", Resources.BufferCannotBeNull );
}
if( ( offset < 0 ) || ( offset >= buffer.Length ) ) {
throw new ArgumentOutOfRangeException( "offset", Resources.OffsetMustBeValid );
}
if( ( offset + count ) > buffer.Length ) {
throw new ArgumentException( Resources.BufferNotLargeEnough, "buffer" );
}
if( this.inPos == this.maxInPos ) {
this.PrepareNextPacket();
}
int len = Math.Min( count, this.maxInPos - this.inPos );
if( this.zInStream != null ) {
num2 = this.zInStream.read( buffer, offset, len );
} else {
num2 = this.baseStream.Read( buffer, offset, len );
}
this.inPos += num2;
if( this.inPos == this.maxInPos ) {
this.zInStream = null;
this.inBufferRef.Target = this.inBuffer;
this.inBuffer = null;
}
return num2;
}
