/**
* Updates a player.
*
* @param packet The packet.
* @param otherPlayer The other player.
* @param forceAppearance The force appearance flag.
*/
public void updatePlayer(PacketBuilder packet, Player otherPlayer, boolean forceAppearance) {
/*
* If no update is required and we don't have to force an appearance
* update, don't write anything.
*/
if (!otherPlayer.getUpdateFlags().isUpdateRequired() && !forceAppearance) {
return;
}
/*
* We can used the cached update block!
*/
synchronized (otherPlayer) {
/* if (otherPlayer.hasCachedUpdateBlock() && otherPlayer != player && !forceAppearance) {
packet.put(otherPlayer.getCachedUpdateBlock().getPayload().flip());
return;
}*/
/*
* We have to construct and cache our own block.
*/
PacketBuilder block = new PacketBuilder();
/*
* Calculate the bitmask.
*/
int mask = 0x0;
final UpdateFlags flags = otherPlayer.getUpdateFlags();
if (flags.get(UpdateFlag.FACE_ENTITY)) {
mask |= 0x20;
}
if (flags.get(UpdateFlag.GRAPHICS)) {
mask |= 0x400;
}
if (flags.get(UpdateFlag.CHAT)) {
mask |= 0x8;
}
if (flags.get(UpdateFlag.ANIMATION)) {
mask |= 0x1;
}
if (flags.get(UpdateFlag.APPEARANCE) || forceAppearance) {
mask |= 0x80;
}
if (flags.get(UpdateFlag.HIT)) {
mask |= 0x2;
}
if (flags.get(UpdateFlag.HIT_2)) {
mask |= 0x200;
} /*
if (flags.get(UpdateFlag.FACE_COORDINATE)) {
mask |= 0x40;
}*/
/*
* Check if the bitmask would overflow a byte.
*/
if (mask >= 0x100) {
/*
* Write it as a short and indicate we have done so.
*/
mask |= 0x10;
block.put((byte) (mask & 0xFF));
block.put((byte) (mask >> 8));
} else {
/*
* Write it as a byte.
*/
block.put((byte) (mask));
}
/*
* Append the appropriate updates.
*/
if (flags.get(UpdateFlag.FACE_ENTITY)) {
Entity entity = otherPlayer.getInteractingEntity();
block.putShort(entity == null ? -1 : entity.getClientIndex());
}
if (flags.get(UpdateFlag.GRAPHICS)) {
appendGraphicsUpdate(block, otherPlayer);
}
if (flags.get(UpdateFlag.CHAT)) {
appendChatUpdate(block, otherPlayer);
}
if (flags.get(UpdateFlag.ANIMATION)) {
appendAnimationUpdate(block, otherPlayer);
}
if (flags.get(UpdateFlag.APPEARANCE) || forceAppearance) {
appendPlayerAppearanceUpdate(block, otherPlayer);
}
if (flags.get(UpdateFlag.HIT)) {
appendHitUpdate(otherPlayer, block);
}
if (flags.get(UpdateFlag.HIT_2)) {
appendHit2Update(otherPlayer, block);
} /*
if (flags.get(UpdateFlag.FACE_COORDINATE)) {
appendFaceCoordinateUpdate(otherPlayer, block);
}*/
/*
* Convert the block builder to a packet.
*/
Packet blockPacket = block.toPacket();
/*
* Now it is over, cache the block if we can.
*/
if (otherPlayer != player && !forceAppearance) {
otherPlayer.setCachedUpdateBlock(blockPacket);
}
/*
* And finally append the block at the end.
*/
packet.put(blockPacket.getPayload());
}
}
