public virtual void RemoveAt(int index)
{
if (index < 0)
{
throw new ArgumentOutOfRangeException(nameof(index), index,
"The position must be greater than or equal to zero.");
}
if (index >= m_AtomList.Count)
{
lastOp = null;
return;
}
BeforeRemoveItem(index);
var op = new KSEQOperation <T>
{
replicaId = replicaId,
realTime = GetWallTime(),
op = KSEQOperationTypes.Remove,
id = m_AtomList[index].id
};
Apply(op);
lastOp = op;
}
public void Insert(int index, T item)
{
if (index < 0)
{
throw new ArgumentOutOfRangeException(nameof(index), index,
"The position must be greater than or equal to zero");
}
BeforeInsertItem(ref item);
var beforeId = index - 1 < m_AtomList.Count && index - 1 >= 0 ? m_AtomList[index - 1].id : null;
var afterId = index < m_AtomList.Count && index >= 0 ? m_AtomList[index].id : null;
var id = m_IdentGenerator.GetIdent(replicaId, ++time, beforeId, afterId);
var op = new KSEQOperation <T>
{
id = id,
op = KSEQOperationTypes.Insert,
realTime = GetWallTime(),
value = item,
replicaId = replicaId
};
Apply(op);
lastOp = op;
}
public void SendReplicationOp(string gameId, KSEQOperation <Record> op)
{
var game = m_Host.games[gameId];
game.replicatedData.Apply(op);
OthersInGame(gameId).SendAsync(nameof(NetworkedClientPeer.ReceiveReplicationOp), gameId, op).Start();
}
public void Apply(KSEQOperation <T>?op)
{
if (op == null)
{
return;
}
Apply(op.Value);
}
public override T this[int index]
{
get => base[index];
set
{
SetId(ref value);
var beforeId = index - 1 < m_AtomList.Count && index - 1 >= 0 ? m_AtomList[index - 1].id : null;
var afterId = index < m_AtomList.Count && index >= 0 ? m_AtomList[index].id : null;
var id = m_IdentGenerator.GetIdent(replicaId, ++time, beforeId, afterId);
var op = new KSEQOperation <T>
{
id = id,
op = KSEQOperationTypes.Set,
realTime = GetWallTime(),
replicaId = replicaId,
value = value
};
lastOp = op;
Apply(op, false);
}
}
public override ApplicationResult Apply(KSEQOperation <T> op, bool quiet = false)
{
// Retrieve the newest queued set for the given ID if the item already exists, performing an insert with its
// id iif the id is later, and using the appropriate value.
if (op.op == KSEQOperationTypes.Insert &&
m_QueuedSet.ContainsKey(op.value.id))
{
var replacementOp = m_QueuedSet[op.value.id];
if (op.id < replacementOp.id)
{
throw new ArgumentException(
$"op {op} has an ident with precedence over a set but matching id {op.value.id}", nameof(op));
}
m_QueuedSet.Remove(op.value.id);
op.value = replacementOp.value;
op.id = replacementOp.id;
}
var handled = base.Apply(op, quiet);
if (handled.applied)
{
switch (op.op)
{
// Worst case: O(N) (op to the beginning of the list
// Best case: O(1) (op to the end of the list)
case KSEQOperationTypes.Insert:
m_IdToIndex[op.value.id] = handled.index;
for (var i = handled.index + 1; i < Count; i++)
{
m_IdToIndex[m_AtomList[i].value.id] = i;
}
break;
case KSEQOperationTypes.Remove:
m_IdToIndex.Remove(op.value.id);
m_RemovedIds.Remove(op.value.id);
for (var i = handled.index; i < Count; i++)
{
m_IdToIndex[m_AtomList[i].value.id] = i;
}
break;
}
return(handled);
}
switch (op.op)
{
case KSEQOperationTypes.Set:
if (m_RemovedIds.Contains(op.value.id) || m_Removed.Contains(op.id))
{
break;
}
// Find an existing record. Otherwise, queue up
if (m_IdToIndex.ContainsKey(op.value.id))
{
var i = m_IdToIndex[op.value.id];
var atom = m_AtomList[i];
var originalValue = atom.value;
if (originalValue.id != op.value.id)
{
throw new ArgumentException($"invalid set, {op.value.id}!={originalValue.id}");
}
// If this is later (last write first), go ahead and replace the atom with the new value.
// Otherwise, do nothing.
if (op.id < atom.id)
{
var oldAtom = atom;
atom.id = op.id;
atom.value = op.value;
Remove(oldAtom.id);
var j = Add(op.id, op.value);
for (var k = Math.Min(i, j); k <= Math.Max(i, j); k++)
{
m_IdToIndex[m_AtomList[k].value.id] = k;
}
if (!quiet)
{
var collectionReplaceEvent = new CollectionReplaceEvent <T>(i, originalValue, op.value);
collectionReplace?.OnNext(
collectionReplaceEvent);
if (i != j)
{
collectionMove?.OnNext(new CollectionMoveEvent <T>(i, j, op.value));
}
if (op.replicaId == replicaId)
{
collectionThisReplicaReplaced?.OnNext(collectionReplaceEvent);
}
}
}
return(new ApplicationResult()
{
applied = true,
index = i
});
}
else
{
if (!m_QueuedSet.ContainsKey(op.value.id) ||
(m_QueuedSet.ContainsKey(op.value.id) && op.id < m_QueuedSet[op.value.id].id))
{
// Only replace the existing queued set if this op is later
m_QueuedSet[op.value.id] = op;
}
return(new ApplicationResult()
{
applied = true
});
}
}
return(new ApplicationResult());
}
public virtual ApplicationResult Apply(KSEQOperation <T> op, bool quiet = false)
{
switch (op.op)
{
case KSEQOperationTypes.Insert:
if (m_Removed.Contains(op.id))
{
break;
}
var indexAdded = Add(op.id, op.value);
if (!quiet)
{
var collectionAddEvent = new CollectionAddEvent <T>(indexAdded, op.value);
collectionAdd?.OnNext(collectionAddEvent);
countChanged?.OnNext(m_AtomList.Count);
if (op.replicaId == replicaId)
{
collectionThisReplicaAdded?.OnNext(collectionAddEvent);
}
}
return(new ApplicationResult()
{
applied = true,
index = indexAdded
});
case KSEQOperationTypes.Remove:
if (m_Removed.Contains(op.id))
{
break;
}
m_Removed.Add(op.id);
var indexRemoved = IndexOf(op.id);
if (indexRemoved < 0)
{
break;
}
var oldValue = m_AtomList[indexRemoved];
m_AtomList.RemoveAt(indexRemoved);
if (!quiet)
{
var collectionRemoveEvent = new CollectionRemoveEvent <T>(indexRemoved, oldValue.value);
collectionRemove?.OnNext(collectionRemoveEvent);
countChanged?.OnNext(m_AtomList.Count);
if (op.replicaId == replicaId)
{
collectionThisReplicaRemoved?.OnNext(collectionRemoveEvent);
}
}
return(new ApplicationResult()
{
applied = true,
index = indexRemoved
});
}
return(new ApplicationResult()
{
});
}
public void ReceiveReplicationOp(string gameId, KSEQOperation <Record> op)
{
((ReplicatedGameContext)games.First(g => g.gameId == gameId)).replicatedData.Apply(op);
}
