protected void InternalTick(VM vm, VMNetTick tick)
{
if (!tick.ImmediateMode && (tick.Commands.Count == 0 || !(tick.Commands[0].Command is VMStateSyncCmd)) && vm.Context.RandomSeed != tick.RandomSeed)
{
if (DesyncCooldown == 0)
{
System.Console.WriteLine("DESYNC - Requested state from host");
vm.SendCommand(new VMRequestResyncCmd());
DesyncCooldown = 30 * 3;
} else
{
System.Console.WriteLine("WARN - DESYNC - Too soon to try again!");
}
ExceptionOnDesync = true;
}
vm.Context.RandomSeed = tick.RandomSeed;
bool doTick = !tick.ImmediateMode;
foreach(var cmd in tick.Commands)
{
if (cmd.Command is VMStateSyncCmd) doTick = false;
var caller = vm.GetObjectByPersist(cmd.Command.ActorUID);
if (!(caller is VMAvatar)) caller = null;
cmd.Command.Execute(vm, (VMAvatar)caller);
}
if (doTick && vm.Context.Ready)
{
vm.InternalTick();
if (DesyncCooldown > 0) DesyncCooldown--;
}
}
public void Deserialize(BinaryReader reader)
{
Ticks = new List<VMNetTick>();
int length = reader.ReadInt32();
for (int i=0; i<length; i++)
{
var cmds = new VMNetTick();
cmds.Deserialize(reader);
Ticks.Add(cmds);
}
}
public void Deserialize(BinaryReader reader)
{
Ticks = new List <VMNetTick>();
int length = reader.ReadInt32();
for (int i = 0; i < length; i++)
{
var cmds = new VMNetTick();
cmds.Deserialize(reader);
Ticks.Add(cmds);
}
}
protected void InternalTick(VM vm, VMNetTick tick)
{
if (vm.Context.RandomSeed != tick.RandomSeed)
{
System.Console.WriteLine("WARN! desync, tick wrong: " + vm.Context.RandomSeed + " != " + tick.RandomSeed);
//if (ExceptionOnDesync) throw new Exception("desync, tick wrong: " + vm.Context.RandomSeed + " != " + tick.RandomSeed);
ExceptionOnDesync = true;
}
vm.Context.RandomSeed = tick.RandomSeed;
bool doTick = true;
foreach(var cmd in tick.Commands)
{
if (cmd.Command is VMStateSyncCmd) doTick = false;
cmd.Command.Execute(vm);
}
if (doTick) vm.InternalTick();
}
//uh, this is a little silly.
private void SendOneOff(NetworkClient client, VMNetTick tick)
{
var ticks = new VMNetTickList { Ticks = new List<VMNetTick>() { tick }, ImmediateMode = true };
byte[] data;
using (var stream = new MemoryStream())
{
using (var writer = new BinaryWriter(stream))
{
ticks.SerializeInto(writer);
}
data = stream.ToArray();
}
using (var stream = new PacketStream((byte)PacketType.VM_PACKET, 0))
{
stream.WriteHeader();
stream.WriteInt32(data.Length + (int)PacketHeaders.UNENCRYPTED);
stream.WriteBytes(data);
client.Send(stream.ToArray());
}
}
public override bool Tick(VM vm)
{
HandleClients();
lock (QueuedCmds) {
//verify the queued commands. Remove ones which fail (or defer til later)
for (int i=0; i<QueuedCmds.Count; i++)
{
var caller = vm.GetObjectByPersist(QueuedCmds[i].Command.ActorUID);
if (!(caller is VMAvatar)) caller = null;
if (!QueuedCmds[i].Command.Verify(vm, (VMAvatar)caller)) QueuedCmds.RemoveAt(i--);
else if (QueuedCmds[i].Type == VMCommandType.SimJoin)
{
var cmd = (VMNetSimJoinCmd)QueuedCmds[i].Command;
if (cmd.Client != null)
{
lock (ClientToUID)
{
ClientToUID.Add(cmd.Client, cmd.ActorUID);
UIDtoClient.Add(cmd.ActorUID, cmd.Client);
}
}
}
}
var tick = new VMNetTick();
tick.Commands = new List<VMNetCommand>(QueuedCmds);
tick.TickID = TickID++;
tick.RandomSeed = vm.Context.RandomSeed;
QueuedCmds.Clear();
InternalTick(vm, tick);
TickBuffer.Add(tick);
if (TickBuffer.Count >= TICKS_PER_PACKET)
{
lock (ClientsToSync)
{
SendTickBuffer();
SendState(vm);
}
}
}
return true;
}
public override bool Tick(VM vm)
{
HandleClients();
lock (QueuedCmds) {
var tick = new VMNetTick();
tick.Commands = new List<VMNetCommand>(QueuedCmds);
tick.TickID = TickID++;
tick.RandomSeed = vm.Context.RandomSeed;
InternalTick(vm, tick);
QueuedCmds.Clear();
TickBuffer.Add(tick);
if (TickBuffer.Count >= TICKS_PER_PACKET)
{
lock (ClientsToSync)
{
SendTickBuffer();
SendState(vm);
}
}
}
return true;
}