public void Lock(MyEntityIdentifier entityId, bool enable)
{
if (IsHost)
{
// Host just sends lock to all
bool success = TryLockEntity(entityId.NumericValue, MyEntityIdentifier.CurrentPlayerId, enable);
if (success)
{
LogDevelop(MyEntities.GetEntityById(entityId).Name + " " + (enable ? "LOCKED" : "UNLOCKED"));
}
MyEntity entity;
if (enable && MyEntities.TryGetEntityById(entityId, out entity))
{
RaiseLockResponse(entity, success);
}
}
else
{
// Send request to host
MyEventLock msg = new MyEventLock();
msg.EntityId = entityId.NumericValue;
msg.LockType = enable ? MyLockEnum.LOCK : MyLockEnum.UNLOCK;
// Sometimes can be called after host already disconnected (closing screens etc)
Peers.TrySendHost(ref msg);
}
}
private void OnLock(ref MyEventLock msg)
{
var player = (MyPlayerRemote)msg.SenderConnection.Tag;
if (player != null)
{
if (IsHost)
{
// Someone wants to lock entity
TryLockEntity(msg.EntityId, player.PlayerId, msg.LockType == MyLockEnum.LOCK);
}
else if (player.UserId == Peers.HostUserId)
{
using (m_lockedEntitiesLock.AcquireExclusiveUsing())
{
if (msg.LockType == MyLockEnum.LOCK)
{
// Locked by host, just accept it
m_lockedEntities[msg.EntityId] = 0;
}
else
{
// Unlocked by host
m_lockedEntities.Remove(msg.EntityId);
}
}
}
else
{
Alert("Lock came from other player than host", msg.SenderEndpoint, msg.EventType);
}
}
}
/// <summary>
/// Try lock entity and announce to other players (runs only on host)
/// </summary>
bool TryLockEntity(uint entityId, byte playerId, bool enable)
{
bool success = true;
if (enable)
{
using (m_lockedEntitiesLock.AcquireExclusiveUsing())
{
success = !m_lockedEntities.ContainsKey(entityId);
if (success)
{
m_lockedEntities[entityId] = playerId;
MyEntities.GetEntityById(entityId.ToEntityId()).OnClosing += m_unlockOnClosing;
}
}
}
else
{
using (m_lockedEntitiesLock.AcquireExclusiveUsing())
{
success = m_lockedEntities.Remove(entityId);
MyEntity entity;
if (MyEntities.TryGetEntityById(entityId.ToEntityId(), out entity))
{
entity.OnClosing -= m_unlockOnClosing;
}
}
}
if (success)
{
// Send lock to all
MyEventLock response = new MyEventLock();
response.EntityId = entityId;
response.LockType = enable ? MyLockEnum.LOCK : MyLockEnum.UNLOCK;
Peers.SendToAll(ref response, NetDeliveryMethod.ReliableOrdered, 0);
}
if (enable)
{
// Send response to player
MyPlayerRemote player;
if (Peers.TryGetPlayer(playerId, out player))
{
MyEventLockResult response = new MyEventLockResult();
response.EntityId = entityId;
response.IsSuccess = success;
Peers.NetworkClient.Send(ref response, player.Connection, NetDeliveryMethod.ReliableOrdered, 0);
}
}
return(success);
}
public void ClearLocks(byte playerId)
{
foreach (var l in m_lockedEntities.ToArray())
{
if (l.Value == playerId)
{
m_lockedEntities.Remove(l.Key);
// Announce to all
MyEventLock unlockMsg = new MyEventLock();
unlockMsg.EntityId = l.Key;
unlockMsg.LockType = MyLockEnum.UNLOCK;
Peers.SendToAll(ref unlockMsg);
}
}
}