/// <summary>
/// Writes an <see cref="IPEndPoint"/> description.
/// </summary>
public static void Write(this IBitBuffer buffer, IPEndPoint endPoint)
{
if (endPoint == null)
{
throw new ArgumentNullException(nameof(endPoint));
}
buffer.Write(endPoint.Address);
buffer.Write((ushort)endPoint.Port);
}
/// <summary>
/// Writes an <see cref="IPAddress"/> .
/// </summary>
public static void Write(this IBitBuffer buffer, IPAddress address)
{
Span <byte> tmp = stackalloc byte[16];
if (!address.TryWriteBytes(tmp, out int count))
{
throw new ArgumentException("Failed to get address bytes.", nameof(address));
}
tmp = tmp.Slice(0, count);
buffer.Write((byte)tmp.Length);
buffer.Write(tmp);
}
/// <summary>
/// Writes a 64-bit <see cref="long"/>.
/// </summary>
public static void Write(this IBitBuffer buffer, long value)
{
Span <byte> tmp = stackalloc byte[sizeof(long)];
BinaryPrimitives.WriteInt64LittleEndian(tmp, value);
buffer.Write(tmp);
}
public static void Write(this IBitBuffer buffer, ulong value, int bitCount)
{
Span <byte> tmp = stackalloc byte[sizeof(ulong)];
BinaryPrimitives.WriteUInt64LittleEndian(tmp, value);
buffer.Write(tmp, bitCount);
}
public static void Write(this IBitBuffer buffer, uint value)
{
Span <byte> tmp = stackalloc byte[sizeof(uint)];
BinaryPrimitives.WriteUInt32LittleEndian(tmp, value);
buffer.Write(tmp);
}
/// <summary>
/// Compress (lossy) a <see cref="float"/> in the range 0..1 using the specified amount of bits.
/// </summary>
public static void WriteUnit(this IBitBuffer buffer, float value, int bitCount)
{
LidgrenException.Assert(
(value >= 0.0) && (value <= 1.0),
" WriteUnitSingle() must be passed a float in the range 0 to 1; val is " + value);
int maxValue = (1 << bitCount) - 1;
uint writeVal = (uint)(value * maxValue);
buffer.Write(writeVal, bitCount);
}
/// <summary>
/// Compress a <see cref="float"/> within a specified range using the specified amount of bits.
/// </summary>
public static void WriteRanged(this IBitBuffer buffer, float value, float min, float max, int bitCount)
{
LidgrenException.Assert(
(value >= min) && (value <= max),
" WriteRangedSingle() must be passed a float in the range MIN to MAX; val is " + value);
float range = max - min;
float unit = (value - min) / range;
int maxVal = (1 << bitCount) - 1;
buffer.Write((uint)(maxVal * unit), bitCount);
}
/// <summary>
/// Writes bytes from a span.
/// </summary>
public static void Write(this IBitBuffer buffer, ReadOnlySpan <byte> source)
{
if (!buffer.IsByteAligned())
{
buffer.Write(source, 0, source.Length * 8);
return;
}
buffer.EnsureEnoughBitCapacity(source.Length * 8);
source.CopyTo(buffer.GetBuffer().AsSpan(buffer.BytePosition));
buffer.IncrementBitPosition(source.Length * 8);
}
/// <summary>
/// Compress (lossy) a <see cref="float"/> in the range -1..1 using the specified amount of bits.
/// </summary>
public static void WriteSigned(this IBitBuffer buffer, float value, int bitCount)
{
LidgrenException.Assert(
(value >= -1.0) && (value <= 1.0),
" WriteSignedSingle() must be passed a float in the range -1 to 1; val is " + value);
float unit = (value + 1f) * 0.5f;
int maxVal = (1 << bitCount) - 1;
uint writeVal = (uint)(unit * maxVal);
buffer.Write(writeVal, bitCount);
}
/// <summary>
/// Encodes a <see cref="NetBitArray"/> to this buffer.
/// </summary>
public static void Write(this IBitBuffer buffer, NetBitArray bitArray)
{
buffer.WriteVar(bitArray.Length);
ReadOnlySpan <uint> values = bitArray.GetBuffer().Span;
int bitsLeft = NetUtility.PowOf2Mod(bitArray.Length, NetBitArray.BitsPerElement);
if (bitsLeft == 0)
{
for (int i = 0; i < values.Length; i++)
{
buffer.Write(values[i]);
}
}
else
{
for (int i = 0; i < values.Length - 1; i++)
{
buffer.Write(values[i]);
}
uint last = values[^ 1];
/// <summary>
/// Writes an <see cref="int"/> with the least amount of bits needed for the specified range.
/// Returns the number of bits written.
/// </summary>
public static int WriteRanged(this IBitBuffer buffer, int min, int max, int value)
{
LidgrenException.Assert(value >= min && value <= max, "Value not within min/max range!");
uint range = (uint)(max - min);
int numBits = NetBitWriter.BitsForValue(range);
uint rvalue = (uint)(value - min);
buffer.Write(rvalue, numBits);
return(numBits);
}
public static int WriteVar(this IBitBuffer buffer, uint value)
{
Span <byte> tmp = stackalloc byte[NetBitWriter.MaxVarInt32Size];
int offset = 0;
uint bits = value;
while (bits > 0x7Fu)
{
tmp[offset++] = (byte)(bits | ~0x7Fu);
bits >>= 7;
}
tmp[offset++] = (byte)bits;
buffer.Write(tmp.Slice(0, offset));
return(offset);
}
/// <summary>
/// Writes a <see cref="long"/> using 1 to 64 bits.
/// </summary>
public static void Write(this IBitBuffer buffer, long value, int bitCount)
{
Span <byte> tmp = stackalloc byte[sizeof(long)];
if (bitCount != tmp.Length * 8)
{
// make first bit sign
long signBit = 1 << (bitCount - 1);
if (value < 0)
{
value = (-value - 1) | signBit;
}
else
{
value &= ~signBit;
}
}
BinaryPrimitives.WriteInt64LittleEndian(tmp, value);
buffer.Write(tmp, bitCount);
}
/// <summary>
/// Writes a <see cref="bool"/> value using 8 bits.
/// </summary>
public static void Write(this IBitBuffer buffer, bool value)
{
buffer.Write(value ? (byte)1 : (byte)0);
}
/// <summary>
/// Append bits from a <see cref="IBitBuffer"/> to this buffer.
/// The position and length of the source buffer are considered.
/// </summary>
public static void Write(this IBitBuffer buffer, IBitBuffer sourceBuffer)
{
int bitPosition = sourceBuffer.BitPosition;
buffer.Write(sourceBuffer.GetBuffer(), bitPosition, sourceBuffer.BitLength - bitPosition);
}
/// <summary>
/// Writes the current local time (<see cref="NetTime.Now"/>).
/// </summary>
public static void WriteLocalTime(this IBitBuffer buffer)
{
buffer.Write(NetTime.Now);
}
/// <summary>
/// Writes a 32-bit <see cref="float"/>.
/// </summary>
public static void Write(this IBitBuffer buffer, float value)
{
int intValue = BitConverter.SingleToInt32Bits(value);
buffer.Write(intValue);
}
/// <summary>
/// Writes a 64-bit <see cref="double"/>.
/// </summary>
public static void Write(this IBitBuffer buffer, double value)
{
long intValue = BitConverter.DoubleToInt64Bits(value);
buffer.Write(intValue);
}
/// <summary>
/// Writes byte blocks with final block of UTF-8 characters from a <see cref="string"/>.
/// </summary>
public static void Write(this IBitBuffer buffer, string?source)
{
buffer.Write(source, isFinalBlock: true);
}
/// <summary>
/// Writes byte blocks of UTF-8 characters from a <see cref="string"/>.
/// </summary>
public static void Write(this IBitBuffer buffer, string?source, bool isFinalBlock)
{
buffer.Write(source.AsSpan(), isFinalBlock);
}
/// <summary>
/// Writes byte blocks with final block of UTF-8 characters from a span of characters.
/// </summary>
public static void Write(this IBitBuffer buffer, ReadOnlySpan <char> source)
{
buffer.Write(source, isFinalBlock: true);
}
public static void Write(this IBitBuffer buffer, ReadOnlySpan <byte> source, int bitCount)
{
buffer.Write(source, 0, bitCount);
}
