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com.unity.netcode.gameobjects/Runtime/Serialization/FastBufferReader.cs
Unity Technologies add668dfd2 com.unity.netcode.gameobjects@1.0.0-pre.8
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

Additional documentation and release notes are available at [Multiplayer Documentation](https://docs-multiplayer.unity3d.com).

## [1.0.0-pre.8] - 2022-04-27

### Changed

- `unmanaged` structs are no longer universally accepted as RPC parameters because some structs (i.e., structs with pointers in them, such as `NativeList<T>`) can't be supported by the default memcpy struct serializer. Structs that are intended to be serialized across the network must add `INetworkSerializeByMemcpy` to the interface list (i.e., `struct Foo : INetworkSerializeByMemcpy`). This interface is empty and just serves to mark the struct as compatible with memcpy serialization. For external structs you can't edit, you can pass them to RPCs by wrapping them in `ForceNetworkSerializeByMemcpy<T>`. (#1901)

### Removed
- Removed `SIPTransport` (#1870)

- Removed `ClientNetworkTransform` from the package samples and moved to Boss Room's Utilities package which can be found [here](https://github.com/Unity-Technologies/com.unity.multiplayer.samples.coop/blob/main/Packages/com.unity.multiplayer.samples.coop/Utilities/Net/ClientAuthority/ClientNetworkTransform.cs).

### Fixed

- Fixed `NetworkTransform` generating false positive rotation delta checks when rolling over between 0 and 360 degrees. (#1890)
- Fixed client throwing an exception if it has messages in the outbound queue when processing the `NetworkEvent.Disconnect` event and is using UTP. (#1884)
- Fixed issue during client synchronization if 'ValidateSceneBeforeLoading' returned false it would halt the client synchronization process resulting in a client that was approved but not synchronized or fully connected with the server. (#1883)
- Fixed an issue where UNetTransport.StartServer would return success even if the underlying transport failed to start (#854)
- Passing generic types to RPCs no longer causes a native crash (#1901)
- Fixed an issue where calling `Shutdown` on a `NetworkManager` that was already shut down would cause an immediate shutdown the next time it was started (basically the fix makes `Shutdown` idempotent). (#1877)
2022-04-27 00:00:00 +00:00

836 lines
38 KiB
C#

using System;
using System.Runtime.CompilerServices;
using Unity.Collections;
using Unity.Collections.LowLevel.Unsafe;
using UnityEngine;
namespace Unity.Netcode
{
public struct FastBufferReader : IDisposable
{
internal struct ReaderHandle
{
internal unsafe byte* BufferPointer;
internal int Position;
internal int Length;
internal Allocator Allocator;
#if DEVELOPMENT_BUILD || UNITY_EDITOR
internal int AllowedReadMark;
internal bool InBitwiseContext;
#endif
}
internal unsafe ReaderHandle* Handle;
/// <summary>
/// Get the current read position
/// </summary>
public unsafe int Position
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => Handle->Position;
}
/// <summary>
/// Get the total length of the buffer
/// </summary>
public unsafe int Length
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => Handle->Length;
}
/// <summary>
/// Gets a value indicating whether the reader has been initialized and a handle allocated.
/// </summary>
public unsafe bool IsInitialized => Handle != null;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal unsafe void CommitBitwiseReads(int amount)
{
Handle->Position += amount;
#if DEVELOPMENT_BUILD || UNITY_EDITOR
Handle->InBitwiseContext = false;
#endif
}
private static unsafe ReaderHandle* CreateHandle(byte* buffer, int length, int offset, Allocator allocator)
{
ReaderHandle* readerHandle = null;
if (allocator == Allocator.None)
{
readerHandle = (ReaderHandle*)UnsafeUtility.Malloc(sizeof(ReaderHandle) + length, UnsafeUtility.AlignOf<byte>(), Allocator.Temp);
readerHandle->BufferPointer = buffer;
readerHandle->Position = offset;
}
else
{
readerHandle = (ReaderHandle*)UnsafeUtility.Malloc(sizeof(ReaderHandle) + length, UnsafeUtility.AlignOf<byte>(), allocator);
UnsafeUtility.MemCpy(readerHandle + 1, buffer + offset, length);
readerHandle->BufferPointer = (byte*)(readerHandle + 1);
readerHandle->Position = 0;
}
readerHandle->Length = length;
readerHandle->Allocator = allocator;
#if DEVELOPMENT_BUILD || UNITY_EDITOR
readerHandle->AllowedReadMark = 0;
readerHandle->InBitwiseContext = false;
#endif
return readerHandle;
}
/// <summary>
/// Create a FastBufferReader from a NativeArray.
///
/// A new buffer will be created using the given allocator and the value will be copied in.
/// FastBufferReader will then own the data.
///
/// The exception to this is when the allocator passed in is Allocator.None. In this scenario,
/// ownership of the data remains with the caller and the reader will point at it directly.
/// When created with Allocator.None, FastBufferReader will allocate some internal data using
/// Allocator.Temp, so it should be treated as if it's a ref struct and not allowed to outlive
/// the context in which it was created (it should neither be returned from that function nor
/// stored anywhere in heap memory).
/// </summary>
/// <param name="buffer"></param>
/// <param name="allocator"></param>
/// <param name="length"></param>
/// <param name="offset"></param>
public unsafe FastBufferReader(NativeArray<byte> buffer, Allocator allocator, int length = -1, int offset = 0)
{
Handle = CreateHandle((byte*)buffer.GetUnsafePtr(), length == -1 ? buffer.Length : length, offset, allocator);
}
/// <summary>
/// Create a FastBufferReader from an ArraySegment.
///
/// A new buffer will be created using the given allocator and the value will be copied in.
/// FastBufferReader will then own the data.
///
/// Allocator.None is not supported for byte[]. If you need this functionality, use a fixed() block
/// and ensure the FastBufferReader isn't used outside that block.
/// </summary>
/// <param name="buffer">The buffer to copy from</param>
/// <param name="allocator">The allocator to use</param>
/// <param name="length">The number of bytes to copy (all if this is -1)</param>
/// <param name="offset">The offset of the buffer to start copying from</param>
public unsafe FastBufferReader(ArraySegment<byte> buffer, Allocator allocator, int length = -1, int offset = 0)
{
if (allocator == Allocator.None)
{
throw new NotSupportedException("Allocator.None cannot be used with managed source buffers.");
}
fixed (byte* data = buffer.Array)
{
Handle = CreateHandle(data, length == -1 ? buffer.Count : length, offset, allocator);
}
}
/// <summary>
/// Create a FastBufferReader from an existing byte array.
///
/// A new buffer will be created using the given allocator and the value will be copied in.
/// FastBufferReader will then own the data.
///
/// Allocator.None is not supported for byte[]. If you need this functionality, use a fixed() block
/// and ensure the FastBufferReader isn't used outside that block.
/// </summary>
/// <param name="buffer">The buffer to copy from</param>
/// <param name="allocator">The allocator to use</param>
/// <param name="length">The number of bytes to copy (all if this is -1)</param>
/// <param name="offset">The offset of the buffer to start copying from</param>
public unsafe FastBufferReader(byte[] buffer, Allocator allocator, int length = -1, int offset = 0)
{
if (allocator == Allocator.None)
{
throw new NotSupportedException("Allocator.None cannot be used with managed source buffers.");
}
fixed (byte* data = buffer)
{
Handle = CreateHandle(data, length == -1 ? buffer.Length : length, offset, allocator);
}
}
/// <summary>
/// Create a FastBufferReader from an existing byte buffer.
///
/// A new buffer will be created using the given allocator and the value will be copied in.
/// FastBufferReader will then own the data.
///
/// The exception to this is when the allocator passed in is Allocator.None. In this scenario,
/// ownership of the data remains with the caller and the reader will point at it directly.
/// When created with Allocator.None, FastBufferReader will allocate some internal data using
/// Allocator.Temp, so it should be treated as if it's a ref struct and not allowed to outlive
/// the context in which it was created (it should neither be returned from that function nor
/// stored anywhere in heap memory).
/// </summary>
/// <param name="buffer">The buffer to copy from</param>
/// <param name="allocator">The allocator to use</param>
/// <param name="length">The number of bytes to copy</param>
/// <param name="offset">The offset of the buffer to start copying from</param>
public unsafe FastBufferReader(byte* buffer, Allocator allocator, int length, int offset = 0)
{
Handle = CreateHandle(buffer, length, offset, allocator);
}
/// <summary>
/// Create a FastBufferReader from a FastBufferWriter.
///
/// A new buffer will be created using the given allocator and the value will be copied in.
/// FastBufferReader will then own the data.
///
/// The exception to this is when the allocator passed in is Allocator.None. In this scenario,
/// ownership of the data remains with the caller and the reader will point at it directly.
/// When created with Allocator.None, FastBufferReader will allocate some internal data using
/// Allocator.Temp, so it should be treated as if it's a ref struct and not allowed to outlive
/// the context in which it was created (it should neither be returned from that function nor
/// stored anywhere in heap memory).
/// </summary>
/// <param name="writer">The writer to copy from</param>
/// <param name="allocator">The allocator to use</param>
/// <param name="length">The number of bytes to copy (all if this is -1)</param>
/// <param name="offset">The offset of the buffer to start copying from</param>
public unsafe FastBufferReader(FastBufferWriter writer, Allocator allocator, int length = -1, int offset = 0)
{
Handle = CreateHandle(writer.GetUnsafePtr(), length == -1 ? writer.Length : length, offset, allocator);
}
/// <summary>
/// Create a FastBufferReader from another existing FastBufferReader. This is typically used when you
/// want to change the allocator that a reader is allocated to - for example, upgrading a Temp reader to
/// a Persistent one to be processed later.
///
/// A new buffer will be created using the given allocator and the value will be copied in.
/// FastBufferReader will then own the data.
///
/// The exception to this is when the allocator passed in is Allocator.None. In this scenario,
/// ownership of the data remains with the caller and the reader will point at it directly.
/// When created with Allocator.None, FastBufferReader will allocate some internal data using
/// Allocator.Temp, so it should be treated as if it's a ref struct and not allowed to outlive
/// the context in which it was created (it should neither be returned from that function nor
/// stored anywhere in heap memory).
/// </summary>
/// <param name="reader">The reader to copy from</param>
/// <param name="allocator">The allocator to use</param>
/// <param name="length">The number of bytes to copy (all if this is -1)</param>
/// <param name="offset">The offset of the buffer to start copying from</param>
public unsafe FastBufferReader(FastBufferReader reader, Allocator allocator, int length = -1, int offset = 0)
{
Handle = CreateHandle(reader.GetUnsafePtr(), length == -1 ? reader.Length : length, offset, allocator);
}
/// <summary>
/// Frees the allocated buffer
/// </summary>
public unsafe void Dispose()
{
UnsafeUtility.Free(Handle, Handle->Allocator);
Handle = null;
}
/// <summary>
/// Move the read position in the stream
/// </summary>
/// <param name="where">Absolute value to move the position to, truncated to Length</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void Seek(int where)
{
Handle->Position = Math.Min(Length, where);
}
/// <summary>
/// Mark that some bytes are going to be read via GetUnsafePtr().
/// </summary>
/// <param name="amount">Amount that will be read</param>
/// <exception cref="InvalidOperationException"></exception>
/// <exception cref="OverflowException"></exception>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal unsafe void MarkBytesRead(int amount)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
if (Handle->Position + amount > Handle->AllowedReadMark)
{
throw new OverflowException("Attempted to read without first calling TryBeginRead()");
}
#endif
Handle->Position += amount;
}
/// <summary>
/// Retrieve a BitReader to be able to perform bitwise operations on the buffer.
/// No bytewise operations can be performed on the buffer until bitReader.Dispose() has been called.
/// At the end of the operation, FastBufferReader will remain byte-aligned.
/// </summary>
/// <returns>A BitReader</returns>
public unsafe BitReader EnterBitwiseContext()
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
Handle->InBitwiseContext = true;
#endif
return new BitReader(this);
}
/// <summary>
/// Allows faster serialization by batching bounds checking.
/// When you know you will be reading multiple fields back-to-back and you know the total size,
/// you can call TryBeginRead() once on the total size, and then follow it with calls to
/// ReadValue() instead of ReadValueSafe() for faster serialization.
///
/// Unsafe read operations will throw OverflowException in editor and development builds if you
/// go past the point you've marked using TryBeginRead(). In release builds, OverflowException will not be thrown
/// for performance reasons, since the point of using TryBeginRead is to avoid bounds checking in the following
/// operations in release builds.
/// </summary>
/// <param name="bytes">Amount of bytes to read</param>
/// <returns>True if the read is allowed, false otherwise</returns>
/// <exception cref="InvalidOperationException">If called while in a bitwise context</exception>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe bool TryBeginRead(int bytes)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
#endif
if (Handle->Position + bytes > Handle->Length)
{
return false;
}
#if DEVELOPMENT_BUILD || UNITY_EDITOR
Handle->AllowedReadMark = Handle->Position + bytes;
#endif
return true;
}
/// <summary>
/// Allows faster serialization by batching bounds checking.
/// When you know you will be reading multiple fields back-to-back and you know the total size,
/// you can call TryBeginRead() once on the total size, and then follow it with calls to
/// ReadValue() instead of ReadValueSafe() for faster serialization.
///
/// Unsafe read operations will throw OverflowException in editor and development builds if you
/// go past the point you've marked using TryBeginRead(). In release builds, OverflowException will not be thrown
/// for performance reasons, since the point of using TryBeginRead is to avoid bounds checking in the following
/// operations in release builds.
/// </summary>
/// <param name="value">The value you want to read</param>
/// <returns>True if the read is allowed, false otherwise</returns>
/// <exception cref="InvalidOperationException">If called while in a bitwise context</exception>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe bool TryBeginReadValue<T>(in T value) where T : unmanaged
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
#endif
int len = sizeof(T);
if (Handle->Position + len > Handle->Length)
{
return false;
}
#if DEVELOPMENT_BUILD || UNITY_EDITOR
Handle->AllowedReadMark = Handle->Position + len;
#endif
return true;
}
/// <summary>
/// Internal version of TryBeginRead.
/// Differs from TryBeginRead only in that it won't ever move the AllowedReadMark backward.
/// </summary>
/// <param name="bytes"></param>
/// <returns></returns>
/// <exception cref="InvalidOperationException"></exception>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal unsafe bool TryBeginReadInternal(int bytes)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
#endif
if (Handle->Position + bytes > Handle->Length)
{
return false;
}
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->Position + bytes > Handle->AllowedReadMark)
{
Handle->AllowedReadMark = Handle->Position + bytes;
}
#endif
return true;
}
/// <summary>
/// Returns an array representation of the underlying byte buffer.
/// !!Allocates a new array!!
/// </summary>
/// <returns></returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe byte[] ToArray()
{
byte[] ret = new byte[Length];
fixed (byte* b = ret)
{
UnsafeUtility.MemCpy(b, Handle->BufferPointer, Length);
}
return ret;
}
/// <summary>
/// Gets a direct pointer to the underlying buffer
/// </summary>
/// <returns></returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe byte* GetUnsafePtr()
{
return Handle->BufferPointer;
}
/// <summary>
/// Gets a direct pointer to the underlying buffer at the current read position
/// </summary>
/// <returns></returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe byte* GetUnsafePtrAtCurrentPosition()
{
return Handle->BufferPointer + Handle->Position;
}
/// <summary>
/// Read an INetworkSerializable
/// </summary>
/// <param name="value">INetworkSerializable instance</param>
/// <typeparam name="T"></typeparam>
/// <exception cref="NotImplementedException"></exception>
public void ReadNetworkSerializable<T>(out T value) where T : INetworkSerializable, new()
{
value = new T();
var bufferSerializer = new BufferSerializer<BufferSerializerReader>(new BufferSerializerReader(this));
value.NetworkSerialize(bufferSerializer);
}
/// <summary>
/// Read an array of INetworkSerializables
/// </summary>
/// <param name="value">INetworkSerializable instance</param>
/// <typeparam name="T"></typeparam>
/// <exception cref="NotImplementedException"></exception>
public void ReadNetworkSerializable<T>(out T[] value) where T : INetworkSerializable, new()
{
ReadValueSafe(out int size);
value = new T[size];
for (var i = 0; i < size; ++i)
{
ReadNetworkSerializable(out value[i]);
}
}
/// <summary>
/// Reads a string
/// NOTE: ALLOCATES
/// </summary>
/// <param name="s">Stores the read string</param>
/// <param name="oneByteChars">Whether or not to use one byte per character. This will only allow ASCII</param>
public unsafe void ReadValue(out string s, bool oneByteChars = false)
{
ReadValue(out uint length);
s = "".PadRight((int)length);
int target = s.Length;
fixed (char* native = s)
{
if (oneByteChars)
{
for (int i = 0; i < target; ++i)
{
ReadByte(out byte b);
native[i] = (char)b;
}
}
else
{
ReadBytes((byte*)native, target * sizeof(char));
}
}
}
/// <summary>
/// Reads a string.
/// NOTE: ALLOCATES
///
/// "Safe" version - automatically performs bounds checking. Less efficient than bounds checking
/// for multiple reads at once by calling TryBeginRead.
/// </summary>
/// <param name="s">Stores the read string</param>
/// <param name="oneByteChars">Whether or not to use one byte per character. This will only allow ASCII</param>
public unsafe void ReadValueSafe(out string s, bool oneByteChars = false)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
#endif
if (!TryBeginReadInternal(sizeof(uint)))
{
throw new OverflowException("Reading past the end of the buffer");
}
ReadValue(out uint length);
if (!TryBeginReadInternal((int)length * (oneByteChars ? 1 : sizeof(char))))
{
throw new OverflowException("Reading past the end of the buffer");
}
s = "".PadRight((int)length);
int target = s.Length;
fixed (char* native = s)
{
if (oneByteChars)
{
for (int i = 0; i < target; ++i)
{
ReadByte(out byte b);
native[i] = (char)b;
}
}
else
{
ReadBytes((byte*)native, target * sizeof(char));
}
}
}
/// <summary>
/// Read a partial value. The value is zero-initialized and then the specified number of bytes is read into it.
/// </summary>
/// <param name="value">Value to read</param>
/// <param name="bytesToRead">Number of bytes</param>
/// <param name="offsetBytes">Offset into the value to write the bytes</param>
/// <typeparam name="T"></typeparam>
/// <exception cref="InvalidOperationException"></exception>
/// <exception cref="OverflowException"></exception>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadPartialValue<T>(out T value, int bytesToRead, int offsetBytes = 0) where T : unmanaged
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
if (Handle->Position + bytesToRead > Handle->AllowedReadMark)
{
throw new OverflowException($"Attempted to read without first calling {nameof(TryBeginRead)}()");
}
#endif
var val = new T();
byte* ptr = ((byte*)&val) + offsetBytes;
byte* bufferPointer = Handle->BufferPointer + Handle->Position;
UnsafeUtility.MemCpy(ptr, bufferPointer, bytesToRead);
Handle->Position += bytesToRead;
value = val;
}
/// <summary>
/// Read a byte to the stream.
/// </summary>
/// <param name="value">Stores the read value</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadByte(out byte value)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
if (Handle->Position + 1 > Handle->AllowedReadMark)
{
throw new OverflowException($"Attempted to read without first calling {nameof(TryBeginRead)}()");
}
#endif
value = Handle->BufferPointer[Handle->Position++];
}
/// <summary>
/// Read a byte to the stream.
///
/// "Safe" version - automatically performs bounds checking. Less efficient than bounds checking
/// for multiple reads at once by calling TryBeginRead.
/// </summary>
/// <param name="value">Stores the read value</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadByteSafe(out byte value)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
#endif
if (!TryBeginReadInternal(1))
{
throw new OverflowException("Reading past the end of the buffer");
}
value = Handle->BufferPointer[Handle->Position++];
}
/// <summary>
/// Read multiple bytes to the stream
/// </summary>
/// <param name="value">Pointer to the destination buffer</param>
/// <param name="size">Number of bytes to read - MUST BE &lt;= BUFFER SIZE</param>
/// <param name="offset">Offset of the byte buffer to store into</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadBytes(byte* value, int size, int offset = 0)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
if (Handle->Position + size > Handle->AllowedReadMark)
{
throw new OverflowException($"Attempted to read without first calling {nameof(TryBeginRead)}()");
}
#endif
UnsafeUtility.MemCpy(value + offset, (Handle->BufferPointer + Handle->Position), size);
Handle->Position += size;
}
/// <summary>
/// Read multiple bytes to the stream
///
/// "Safe" version - automatically performs bounds checking. Less efficient than bounds checking
/// for multiple reads at once by calling TryBeginRead.
/// </summary>
/// <param name="value">Pointer to the destination buffer</param>
/// <param name="size">Number of bytes to read - MUST BE &lt;= BUFFER SIZE</param>
/// <param name="offset">Offset of the byte buffer to store into</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadBytesSafe(byte* value, int size, int offset = 0)
{
#if DEVELOPMENT_BUILD || UNITY_EDITOR
if (Handle->InBitwiseContext)
{
throw new InvalidOperationException(
"Cannot use BufferReader in bytewise mode while in a bitwise context.");
}
#endif
if (!TryBeginReadInternal(size))
{
throw new OverflowException("Reading past the end of the buffer");
}
UnsafeUtility.MemCpy(value + offset, (Handle->BufferPointer + Handle->Position), size);
Handle->Position += size;
}
/// <summary>
/// Read multiple bytes from the stream
/// </summary>
/// <param name="value">Pointer to the destination buffer</param>
/// <param name="size">Number of bytes to read - MUST BE &lt;= BUFFER SIZE</param>
/// <param name="offset">Offset of the byte buffer to store into</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadBytes(ref byte[] value, int size, int offset = 0)
{
fixed (byte* ptr = value)
{
ReadBytes(ptr, size, offset);
}
}
/// <summary>
/// Read multiple bytes from the stream
///
/// "Safe" version - automatically performs bounds checking. Less efficient than bounds checking
/// for multiple reads at once by calling TryBeginRead.
/// </summary>
/// <param name="value">Pointer to the destination buffer</param>
/// <param name="size">Number of bytes to read - MUST BE &lt;= BUFFER SIZE</param>
/// <param name="offset">Offset of the byte buffer to store into</param>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ReadBytesSafe(ref byte[] value, int size, int offset = 0)
{
fixed (byte* ptr = value)
{
ReadBytesSafe(ptr, size, offset);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private unsafe void ReadUnmanaged<T>(out T value) where T : unmanaged
{
fixed (T* ptr = &value)
{
byte* bytes = (byte*)ptr;
ReadBytes(bytes, sizeof(T));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private unsafe void ReadUnmanagedSafe<T>(out T value) where T : unmanaged
{
fixed (T* ptr = &value)
{
byte* bytes = (byte*)ptr;
ReadBytesSafe(bytes, sizeof(T));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private unsafe void ReadUnmanaged<T>(out T[] value) where T : unmanaged
{
ReadUnmanaged(out int sizeInTs);
int sizeInBytes = sizeInTs * sizeof(T);
value = new T[sizeInTs];
fixed (T* ptr = value)
{
byte* bytes = (byte*)ptr;
ReadBytes(bytes, sizeInBytes);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private unsafe void ReadUnmanagedSafe<T>(out T[] value) where T : unmanaged
{
ReadUnmanagedSafe(out int sizeInTs);
int sizeInBytes = sizeInTs * sizeof(T);
value = new T[sizeInTs];
fixed (T* ptr = value)
{
byte* bytes = (byte*)ptr;
ReadBytesSafe(bytes, sizeInBytes);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T value, FastBufferWriter.ForPrimitives unused = default) where T : unmanaged, IComparable, IConvertible, IComparable<T>, IEquatable<T> => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T[] value, FastBufferWriter.ForPrimitives unused = default) where T : unmanaged, IComparable, IConvertible, IComparable<T>, IEquatable<T> => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T value, FastBufferWriter.ForPrimitives unused = default) where T : unmanaged, IComparable, IConvertible, IComparable<T>, IEquatable<T> => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T[] value, FastBufferWriter.ForPrimitives unused = default) where T : unmanaged, IComparable, IConvertible, IComparable<T>, IEquatable<T> => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T value, FastBufferWriter.ForEnums unused = default) where T : unmanaged, Enum => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T[] value, FastBufferWriter.ForEnums unused = default) where T : unmanaged, Enum => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T value, FastBufferWriter.ForEnums unused = default) where T : unmanaged, Enum => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T[] value, FastBufferWriter.ForEnums unused = default) where T : unmanaged, Enum => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T value, FastBufferWriter.ForStructs unused = default) where T : unmanaged, INetworkSerializeByMemcpy => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T[] value, FastBufferWriter.ForStructs unused = default) where T : unmanaged, INetworkSerializeByMemcpy => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T value, FastBufferWriter.ForStructs unused = default) where T : unmanaged, INetworkSerializeByMemcpy => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T[] value, FastBufferWriter.ForStructs unused = default) where T : unmanaged, INetworkSerializeByMemcpy => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T value, FastBufferWriter.ForNetworkSerializable unused = default) where T : INetworkSerializable, new() => ReadNetworkSerializable(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue<T>(out T[] value, FastBufferWriter.ForNetworkSerializable unused = default) where T : INetworkSerializable, new() => ReadNetworkSerializable(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T value, FastBufferWriter.ForNetworkSerializable unused = default) where T : INetworkSerializable, new() => ReadNetworkSerializable(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe<T>(out T[] value, FastBufferWriter.ForNetworkSerializable unused = default) where T : INetworkSerializable, new() => ReadNetworkSerializable(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Vector2 value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Vector2[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Vector3 value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Vector3[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Vector4 value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Vector4[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Quaternion value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Quaternion[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Color value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Color[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Color32 value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Color32[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Ray value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Ray[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Ray2D value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValue(out Ray2D[] value) => ReadUnmanaged(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Vector2 value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Vector2[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Vector3 value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Vector3[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Vector4 value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Vector4[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Quaternion value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Quaternion[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Color value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Color[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Color32 value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Color32[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Ray value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Ray[] value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Ray2D value) => ReadUnmanagedSafe(out value);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void ReadValueSafe(out Ray2D[] value) => ReadUnmanagedSafe(out value);
}
}