private void SendUpdate()
{
if (!FullyConnected)
{
return;
}
// don't actaully want this going out every frame. Should collect input and send at slightly more spread-out intervals.
OutboundMessage m = OutboundMessage.CreateUnreliable((byte)EngineMessage.ClientUpdate);
// write the "latest snapshot" info to the message
m.Write(LatestSnapshotTick);
WriteUpdate(m);
SendMessage(m);
}
private void SendSnapshot()
{
OutboundMessage m = OutboundMessage.CreateUnreliable((byte)EngineMessage.Snapshot);
m.Write(GameServer.Instance.CurrentTick);
// now step through all entities, decide what to send. Will either be:
// No change (sends nothing)
// New entity / full update of entity (Full)
// Partial update of entity (Partial)
// Forget about this entity (Delete)
// ID reassigned, full update of new entity (Replace)
foreach (Entity e in Entity.AllEntities)
{
if (!e.IsNetworked)
{
continue;
}
NetworkedEntity ne = e as NetworkedEntity;
if (ne.IsDeleted || !ne.HasChanges(this))
{
continue;
}
if (!ne.ShouldSendToClient(this))
{
if (KnownEntities.ContainsKey(ne.EntityID))
{
DeletedEntities.Add(ne.EntityID, false); // the client shouldn't see this entity any more, so delete it on their end
}
continue;
}
m.Write(ne.EntityID);
EntitySnapshotType updateType;
if (KnownEntities.ContainsKey(ne.EntityID))
{
if (DeletedEntities.ContainsKey(ne.EntityID))
{
// Reusing an entity ID the client is still using for something else. Ensure it knows the old should be deleted.
// Also, don't include it on the Delete list - the Replace accounts for that.
updateType = EntitySnapshotType.Replace;
DeletedEntities.Remove(ne.EntityID);
}
else
{
updateType = NeedsFullUpdate ? EntitySnapshotType.Full : EntitySnapshotType.Partial;
}
}
else
{
updateType = EntitySnapshotType.Full;
KnownEntities[ne.EntityID] = true;
}
m.Write((byte)updateType);
ne.WriteSnapshot(m, this, updateType == EntitySnapshotType.Partial);
}
foreach (ushort entityID in DeletedEntities.Keys)
{
m.Write(entityID);
m.Write((byte)EntitySnapshotType.Delete);
KnownEntities.Remove(entityID);
}
DeletedEntities.Clear();
Send(m);
NeedsFullUpdate = false;
}