private void sendPlayerPerception(
PlayerEntry entry, Perception perception, RPObject playerObject) {
if (perception == null) {
/** Until player enters game perception is null */
return;
}
MessageS2CPerception messages2cPerception = new MessageS2CPerception(entry.channel, perception);
stats.add("Perceptions " + (perception.type == 0 ? "DELTA" : "SYNC"), 1);
/*
* The perception is build of two parts: the general information and the
* private information about our object. This private information
* consists only of attributes that are not visible to every player but
* the owner, because visible attributes are already stored in the
* perception.
*/
if (perception.type == Perception.SYNC) {
RPObject copy = new RPObject();
copy.fill(playerObject);
if (!playerObject.isHidden()) {
copy.clearVisible(true);
}
messages2cPerception.setMyRPObject(copy, null);
} else {
RPObject added = new RPObject();
RPObject deleted = new RPObject();
try {
playerObject.getDifferences(added, deleted);
if (!playerObject.isHidden()) {
added.clearVisible(false);
deleted.clearVisible(false);
}
if (added.size() == 0) {
added = null;
}
if (deleted.size() == 0) {
deleted = null;
}
} catch (Exception e) {
logger.error("Error getting object differences", e);
logger.error(playerObject);
added = null;
deleted = null;
}
messages2cPerception.setMyRPObject(added, deleted);
}
messages2cPerception.setClientID(entry.clientid);
messages2cPerception.setPerceptionTimestamp(entry.getPerceptionTimestamp());
messages2cPerception.setProtocolVersion(entry.getProtocolVersion());
netMan.sendMessage(messages2cPerception);
}
private void deliverTransferContent() {
synchronized (contentsToTransfer) {
for (Map.Entry<RPObject, List<TransferContent>> val : contentsToTransfer.entrySet()) {
RPObject target = val.getKey();
List<TransferContent> content = val.getValue();
PlayerEntry entry = playerContainer.get(target);
if (entry == null) {
logger.warn(
"Entry for player (" + target + ") does not exist: " + playerContainer,
new Throwable());
continue;
}
if (content == null) {
logger.warn("content is null");
}
if (!entry.contentToTransfer.isEmpty()) {
// prevent DoS if the client never confirms the Transfer offer
if (entry.contentToTransfer.size() > 30) {
synchronized (entry.contentToTransfer) {
for (int i = 0; i < 10; i++) {
entry.contentToTransfer.remove(0);
}
}
}
logger.warn(
"Adding to existing contentToTransfer for player "
+ entry.character
+ " old: "
+ entry.contentToTransfer
+ " added "
+ content);
}
entry.contentToTransfer.addAll(content);
MessageS2CTransferREQ mes = new MessageS2CTransferREQ(entry.channel, content);
mes.setClientID(entry.clientid);
mes.setProtocolVersion(entry.getProtocolVersion());
netMan.sendMessage(mes);
}
contentsToTransfer.clear();
}
}