protected override void OnUpdate()
{
NetworkSnapshotAckComponent ack = GetSingleton <NetworkSnapshotAckComponent>();
// 有新快照数据，可以进行回滚.
if (_lastRollbackTick < ack.LastReceivedSnapshotByLocal)
{
Rollback();
_lastRollbackTick = ack.LastReceivedSnapshotByLocal;
}
base.OnUpdate();
}
protected override void OnUpdate()
{
if (_isServer)
{
this.PredictingTick = World.GetExistingSystem <ServerSimulationSystemGroup>().Tick;
NetDebug.ServerTick = this.PredictingTick;
base.OnUpdate();
return;
}
//====================================================================================
IsFixError = false;
NetworkSnapshotAckComponent ack = GetSingleton <NetworkSnapshotAckComponent>();
uint targetTick = _tickSimulationSystemGroup.ServerTick;
if (!SequenceHelpers.IsNewer(targetTick, ack.LastReceivedSnapshotByLocal))
{
return;
}
if (!SequenceHelpers.IsNewer(ack.LastReceivedSnapshotByLocal, LastAppliedSnapshotTick))
{
LitUpdate(targetTick);
return;
}
LastAppliedSnapshotTick = ack.LastReceivedSnapshotByLocal;
if (targetTick - LastAppliedSnapshotTick > GlobalConstants.CommandDataMaxSize)
{
LastAppliedSnapshotTick = targetTick - GlobalConstants.CommandDataMaxSize;
}
IsRewind = true;
// Debug.Log($"开始回滚：{LastAppliedSnapshotTick + 1} to {targetTick}, PredictingTick={PredictingTick}");
for (uint i = LastAppliedSnapshotTick + 1; i != targetTick; ++i)
{
LitUpdate(i);
}
IsRewind = false;
// Debug.Log($"回滚结束：{PredictingTick}");
IsFixError = true;
LitUpdate(targetTick);
}
public void Execute(ArchetypeChunk chunk, int chunkIndex, int firstEntityIndex)
{
var entities = chunk.GetNativeArray(entityType);
var commandTargets = chunk.GetNativeArray(commandTargetType);
var snapshotAckComponents = chunk.GetNativeArray(snapshotAckType);
var inBuffer = chunk.GetBufferAccessor(inBufferType);
for (int i = 0; i < entities.Length; i++)
{
if (commandTargets[i].Target == Entity.Null)
{
continue;
}
DynamicBuffer <TCommandData> cmdBuf = commandDatas[commandTargets[i].Target];
NetworkSnapshotAckComponent snapshotAck = snapshotAckComponents[i];
DataStreamReader reader = inBuffer[i].AsDataStreamReader();
while (reader.GetBytesRead() < reader.Length)
{
uint tick = reader.ReadUInt();
var serilaizer = default(TCommandSerializer);
TCommandData cmd = default;
cmd.Tick = tick;
serilaizer.Deserialize(ref reader, ref cmd);
int age = (int)(serverTick - cmd.Tick);
age *= 256;
snapshotAck.ServerCommandAge = (snapshotAck.ServerCommandAge * 7 + age) / 8;
cmdBuf.AddCommandData(cmd);
// 读取冗余输入
for (uint j = 1; j <= GlobalConstants.InputBufferSendSize; ++j)
{
cmd.Tick = tick - j;
serilaizer.Deserialize(ref reader, ref cmd);
cmdBuf.AddCommandData(cmd);
}
}
snapshotAckComponents[i] = snapshotAck;
inBuffer[i].Clear();
}
}
