public BitStream(int length, Allocator allocator)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (length > int.MaxValue)
{
throw new ArgumentOutOfRangeException("length", string.Format("Length * sizeof(T) cannot exceed {0} bytes", int.MaxValue));
}
#endif
m_Length = length;
m_BitCount = length * 8;
m_Allocator = allocator;
m_WriteScratchBuffer = 0;
m_WriteBitIndex = 0;
m_WriteByteIndex = 0;
m_Buffer = (byte *)UnsafeUtility.Malloc(length, UnsafeUtility.AlignOf <byte>(), m_Allocator);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
m_MinIndex = 0;
m_MaxIndex = length - 1;
#if UNITY_2018_3_OR_NEWER
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 1, m_Allocator);
#else
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 1);
#endif
m_NakedPtrSafety = new NakedPtrSafety();
AppDomain.CurrentDomain.DomainUnload += OnDomainUnload;
#endif
}
public BitStream(byte[] data, Allocator allocator, int size = -1)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (data == null)
{
throw new ArgumentException("Data can not be null.", "data");
}
#endif
int dataLength = data.Length;
if (size != -1)
{
dataLength = size;
}
void *buffer = UnsafeUtility.Malloc(dataLength, UnsafeUtility.AlignOf <byte>(), allocator);
fixed(byte *fixedBuffer = data)
{
UnsafeUtility.MemCpy(buffer, fixedBuffer, dataLength);
}
m_Buffer = (byte *)buffer;
m_Length = dataLength;
m_BitCount = m_Length * 8;
m_Allocator = allocator;
m_WriteScratchBuffer = 0;
m_WriteBitIndex = 0;
m_WriteByteIndex = dataLength;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
m_MinIndex = 0;
m_MaxIndex = m_Length - 1;
#if UNITY_2018_3_OR_NEWER
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 1, m_Allocator);
#else
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 1);
#endif
m_NakedPtrSafety = new NakedPtrSafety();
AppDomain.CurrentDomain.DomainUnload += OnDomainUnload;
#endif
}
