expose serialization endianness

Author: lucasteles

src/Backdash/Session/Backends/LocalSession.cs

@@ -63,6 +63,8 @@ SessionServices<TInput> services
     public int NumberOfSpectators => 0;
     public int FixedFrameRate => options.FrameRate;
     public int LocalPort => 0;
+    public Endianness StateSerializationEndianness => endianness.Endianness;
+    public Endianness InputSerializationEndianness => options.Protocol.SerializationEndianness;
     public INetcodeRandom Random => random;
 
     public ReadOnlySpan<SynchronizedInput<TInput>> CurrentSynchronizedInputs => syncInputBuffer;

src/Backdash/Session/Backends/RemoteSession.cs

@@ -200,9 +200,9 @@ void Close()
     public SavedFrame GetCurrentSavedFrame() => synchronizer.GetLastSavedFrame();
     public int NumberOfPlayers => addedPlayers.Count;
     public int NumberOfSpectators => addedSpectators.Count;
-
     public int LocalPort => udp.BindPort;
-
+    public Endianness StateSerializationEndianness => synchronizer.SerializationEndianness;
+    public Endianness InputSerializationEndianness => options.Protocol.SerializationEndianness;
     public SessionMode Mode => SessionMode.Remote;
 
     public IReadOnlySet<NetcodePlayer> GetPlayers() => addedPlayers;

src/Backdash/Session/Backends/ReplaySession.cs

@@ -51,6 +51,7 @@ SessionServices<TInput> services
         random = services.DeterministicRandom;
         NumberOfPlayers = options.NumberOfPlayers;
         FixedFrameRate = options.FrameRate;
+        InputSerializationEndianness = options.Protocol.SerializationEndianness;
         endianness = options.GetEndiannessNumberStateSerializer();
         callbacks = services.SessionHandler;
 
@@ -94,10 +95,11 @@ public void Close()
         callbacks.OnSessionClose();
     }
 
+    public Endianness InputSerializationEndianness { get; }
+    public Endianness StateSerializationEndianness => endianness.Endianness;
     public Frame CurrentFrame { get; private set; } = Frame.Zero;
     public FrameSpan RollbackFrames => FrameSpan.Zero;
     public FrameSpan FramesBehind => FrameSpan.Zero;
-
     public bool IsInRollback => false;
     public SavedFrame GetCurrentSavedFrame() => stateStore.Last();
 

src/Backdash/Session/Backends/SpectatorSession.cs

@@ -48,8 +48,6 @@ sealed class SpectatorSession<TInput> :
     readonly IChecksumProvider checksumProvider;
     readonly EndiannessSerializer.INumberSerializer endianness;
 
-    public int FixedFrameRate { get; }
-
     public SpectatorSession(
         SpectatorOptions spectatorOptions,
         NetcodeOptions options,
@@ -64,7 +62,6 @@ SessionServices<TInput> services
         ArgumentOutOfRangeException.ThrowIfNegativeOrZero(options.FrameRate);
 
         this.options = options;
-        FixedFrameRate = this.options.FrameRate;
         hostEndpoint = spectatorOptions.GetHostEndPoint();
         jobManager = services.JobManager;
         random = services.DeterministicRandom;
@@ -155,6 +152,7 @@ public void Close()
         callbacks.OnSessionClose();
     }
 
+    public int FixedFrameRate => options.FrameRate;
     public Frame CurrentFrame { get; private set; } = Frame.Zero;
     public FrameSpan RollbackFrames => FrameSpan.Zero;
     public FrameSpan FramesBehind => FrameSpan.Zero;
@@ -164,7 +162,8 @@ public void Close()
     public int NumberOfPlayers { get; private set; }
     public int NumberOfSpectators => 0;
     public int LocalPort => udp.BindPort;
-
+    public Endianness StateSerializationEndianness => endianness.Endianness;
+    public Endianness InputSerializationEndianness => options.Protocol.SerializationEndianness;
     public ReadOnlySpan<SynchronizedInput<TInput>> CurrentSynchronizedInputs => syncInputBuffer;
 
     public ReadOnlySpan<TInput> CurrentInputs => inputBuffer;

src/Backdash/Session/Backends/SyncTestSession.cs

@@ -57,13 +57,13 @@ sealed class PlayerInputState
     Task backGroundJobTask = Task.CompletedTask;
     Frame lastVerified = Frame.Zero;
 
-    public int FixedFrameRate { get; }
-
     readonly IReadOnlySet<NetcodePlayer> localPlayerFallback = new HashSet<NetcodePlayer>
     {
         new(0, PlayerType.Local),
     }.ToFrozenSet();
 
+    readonly NetcodeOptions options;
+
     public SyncTestSession(
         SyncTestOptions<TInput> syncTestOptions,
         NetcodeOptions options,
@@ -75,7 +75,7 @@ SessionServices<TInput> services
         ArgumentNullException.ThrowIfNull(syncTestOptions);
         ArgumentOutOfRangeException.ThrowIfNegativeOrZero(syncTestOptions.CheckDistanceFrames);
 
-        FixedFrameRate = options.FrameRate;
+        this.options = options;
         checkDistance = new(syncTestOptions.CheckDistanceFrames);
         logStateOnDesync = syncTestOptions.LogStateOnDesync;
         throwError = syncTestOptions.ThrowOnDesync;
@@ -101,7 +101,7 @@ SessionServices<TInput> services
             Callbacks = callbacks,
         };
 
-        endianness = options.GetEndiannessNumberStateSerializer();
+        endianness = synchronizer.NumberSerializer;
     }
 
     public void Dispose() => tsc.SetResult();
@@ -120,7 +120,9 @@ public async ValueTask DisposeAsync()
     public SessionMode Mode => SessionMode.SyncTest;
     public FrameSpan FramesBehind => synchronizer.FramesBehind;
     public FrameSpan RollbackFrames => synchronizer.RollbackFrames;
-
+    public int FixedFrameRate => options.FrameRate;
+    public Endianness StateSerializationEndianness => endianness.Endianness;
+    public Endianness InputSerializationEndianness => options.Protocol.SerializationEndianness;
     public ReadOnlySpan<SynchronizedInput<TInput>> CurrentSynchronizedInputs => syncInputBuffer;
 
     public ReadOnlySpan<TInput> CurrentInputs => inputBuffer;

src/Backdash/Session/INetcodeSession.cs

@@ -62,6 +62,18 @@ public interface INetcodeSessionInfo
     /// </summary>
     bool IsInRollback { get; }
 
+    /// <summary>
+    ///     Returns the state serialization <see cref="Endianness"/>
+    ///     <seealso cref="NetcodeOptions.StateSerializationEndianness"/>
+    /// </summary>
+    Endianness StateSerializationEndianness { get; }
+
+    /// <summary>
+    ///     Returns the input serialization <see cref="Endianness"/>
+    ///     <seealso cref="ProtocolOptions.SerializationEndianness"/>
+    /// </summary>
+    Endianness InputSerializationEndianness { get; }
+
     /// <summary>
     ///     Returns the last saved state.
     /// </summary>

src/Backdash/Synchronizing/Input/Synchronizer.cs

@@ -57,6 +57,8 @@ public Synchronizer(
     float rollbackFrameCounter;
 
     public Frame CurrentFrame => currentFrame;
+    public EndiannessSerializer.INumberSerializer NumberSerializer => endianness;
+    public Endianness SerializationEndianness => endianness.Endianness;
     public FrameSpan FramesBehind => new(currentFrame.Number - lastConfirmedFrame.Number);
     public FrameSpan RollbackFrames => new((int)Math.Round(rollbackFrameCounter));