public Packet250ServerSelectionGeneration handlePacket(
Packet250ServerSelectionGeneration packet, MessageContext ctx) {
final float ERROR_STATUS = -10.0F;
EntityPlayerMP entityPlayerMP = ctx.getServerHandler().playerEntity;
int uniqueID = packet.getUniqueID();
if (!players.containsKey(entityPlayerMP)) {
ErrorLog.defaultLog()
.info("ServerVoxelSelections:: Packet received from player not in players");
Packet250Base message =
Packet250ServerSelectionGeneration.replyFractionCompleted(uniqueID, ERROR_STATUS);
sendReplyMessageToClient(message, entityPlayerMP);
return null;
}
Integer lastCommandID = playerLastCommandID.get(entityPlayerMP);
if (lastCommandID == null) lastCommandID = Integer.MIN_VALUE;
if (uniqueID < lastCommandID) return null; // discard old commands
switch (packet.getCommand()) {
case STATUS_REQUEST:
{
if (uniqueID != lastCommandID) return null; // discard old or too-new commands
CommandStatus commandStatus = playerCommandStatus.get(entityPlayerMP);
if (commandStatus == null)
return Packet250ServerSelectionGeneration.replyFractionCompleted(
uniqueID, ERROR_STATUS);
final float JUST_STARTED_VALUE = 0.01F;
Packet250Base message = null;
switch (commandStatus) {
case QUEUED:
{
message =
Packet250ServerSelectionGeneration.replyFractionCompleted(
uniqueID, JUST_STARTED_VALUE);
break;
}
case COMPLETED:
{
message =
Packet250ServerSelectionGeneration.replyFractionCompleted(uniqueID, 1.0F);
break;
}
case EXECUTING:
{
BlockVoxelMultiSelector blockVoxelMultiSelector =
playerBlockVoxelMultiSelectors.get(entityPlayerMP);
if (blockVoxelMultiSelector == null) {
message =
Packet250ServerSelectionGeneration.replyFractionCompleted(
uniqueID, ERROR_STATUS);
} else {
message =
Packet250ServerSelectionGeneration.replyFractionCompleted(
uniqueID, blockVoxelMultiSelector.getEstimatedFractionComplete());
}
break;
}
default:
assert false : "Invalid commandStatus in ServerVoxelSelections:" + commandStatus;
}
if (message != null) {
sendReplyMessageToClient(message, entityPlayerMP);
}
return null;
}
case ABORT:
{
if (uniqueID == lastCommandID) {
abortCurrentCommand(entityPlayerMP);
}
return null;
}
case ALL_IN_BOX:
case UNBOUND_FILL:
case BOUND_FILL:
{
if (uniqueID < lastCommandID) return null; // discard old commands
if (uniqueID == lastCommandID) {
CommandStatus commandStatus = playerCommandStatus.get(entityPlayerMP);
if (commandStatus != CommandStatus.COMPLETED)
return null; // ignore this command if we're currently processing it
}
boolean success = enqueueSelectionCommand(entityPlayerMP, packet);
if (success) {
playerLastCommandID.put(entityPlayerMP, uniqueID);
}
Packet250Base message =
Packet250ServerSelectionGeneration.replyFractionCompleted(
uniqueID, success ? 0.0F : ERROR_STATUS);
sendReplyMessageToClient(message, entityPlayerMP);
return null;
}
default:
{
ErrorLog.defaultLog()
.severe("Invalid command received in ServerVoxelSelections:" + packet.getCommand());
return null;
}
}
}
