public bool SerializeSignedInteger(out int value, int min, int max)
{
Assert.IsTrue(min < max);
int bits = Util.BitsRequired(min, max);
if (m_reader.WouldOverflow(bits))
{
m_error = Constants.STREAM_ERROR_OVERFLOW;
value = 0;
return(false);
}
uint unsigned_value = m_reader.ReadBits(bits);
value = (int)(unsigned_value + min);
m_bitsRead += bits;
return(true);
}
static void test_bitpacker()
{
Debug.Log("test_bitpacker");
const int BufferSize = 256;
uint[] buffer = new uint[BufferSize];
var writer = new Network.BitWriter();
writer.Start(buffer);
Assert.IsTrue(writer.GetTotalBytes() == BufferSize);
Assert.IsTrue(writer.GetBitsWritten() == 0);
Assert.IsTrue(writer.GetBytesWritten() == 0);
Assert.IsTrue(writer.GetBitsAvailable() == BufferSize * 8);
writer.WriteBits(0, 1);
writer.WriteBits(1, 1);
writer.WriteBits(10, 8);
writer.WriteBits(255, 8);
writer.WriteBits(1000, 10);
writer.WriteBits(50000, 16);
writer.WriteBits(9999999, 32);
writer.Finish();
const int bitsWritten = 1 + 1 + 8 + 8 + 10 + 16 + 32;
Assert.IsTrue(writer.GetBytesWritten() == 10);
Assert.IsTrue(writer.GetTotalBytes() == BufferSize);
Assert.IsTrue(writer.GetBitsWritten() == bitsWritten);
Assert.IsTrue(writer.GetBitsAvailable() == BufferSize * 8 - bitsWritten);
int bytesWritten = writer.GetBytesWritten();
const int ExpectedBytesWritten = 10;
Assert.IsTrue(bytesWritten == ExpectedBytesWritten);
byte[] readBuffer = writer.GetData();
Assert.IsTrue(readBuffer.Length == ExpectedBytesWritten);
var reader = new Network.BitReader();
reader.Start(readBuffer);
Assert.IsTrue(reader.GetBitsRead() == 0);
Assert.IsTrue(reader.GetBitsRemaining() == bytesWritten * 8);
uint a = reader.ReadBits(1);
uint b = reader.ReadBits(1);
uint c = reader.ReadBits(8);
uint d = reader.ReadBits(8);
uint e = reader.ReadBits(10);
uint f = reader.ReadBits(16);
uint g = reader.ReadBits(32);
reader.Finish();
Assert.IsTrue(a == 0);
Assert.IsTrue(b == 1);
Assert.IsTrue(c == 10);
Assert.IsTrue(d == 255);
Assert.IsTrue(e == 1000);
Assert.IsTrue(f == 50000);
Assert.IsTrue(g == 9999999);
Assert.IsTrue(reader.GetBitsRead() == bitsWritten);
Assert.IsTrue(reader.GetBitsRemaining() == bytesWritten * 8 - bitsWritten);
}