package org.moparscape.msc.gs.builders.client;
import java.util.Collection;
import org.moparscape.msc.gs.builders.RSCPacketBuilder;
import org.moparscape.msc.gs.connection.RSCPacket;
import org.moparscape.msc.gs.model.Player;
import org.moparscape.msc.gs.tools.DataConversions;
import org.moparscape.msc.gs.util.StatefulEntityCollection;
public class PlayerPositionPacketBuilder {
private Player playerToUpdate;
public RSCPacket getPacket() {
StatefulEntityCollection<Player> watchedPlayers = playerToUpdate
.getWatchedPlayers();
Collection<Player> newPlayers = watchedPlayers.getNewEntities();
Collection<Player> knownPlayers = watchedPlayers.getKnownEntities();
RSCPacketBuilder packet = new RSCPacketBuilder();
packet.setID(145);
packet.addBits(playerToUpdate.getX(), 11);
packet.addBits(playerToUpdate.getY(), 13);
packet.addBits(playerToUpdate.getSprite(), 4);
packet.addBits(knownPlayers.size(), 8);
for (Player p : knownPlayers) {
if (playerToUpdate.getIndex() != p.getIndex()) {
packet.addBits(p.getIndex(), 16);
if (watchedPlayers.isRemoving(p)) {
packet.addBits(1, 1);
packet.addBits(1, 1);
packet.addBits(12, 4);
} else if (p.hasMoved()) {
packet.addBits(1, 1);
packet.addBits(0, 1);
packet.addBits(p.getSprite(), 3);
} else if (p.spriteChanged()) {
packet.addBits(1, 1);
packet.addBits(1, 1);
packet.addBits(p.getSprite(), 4);
} else {
packet.addBits(0, 1);
}
}
}
for (Player p : newPlayers) {
byte[] offsets = DataConversions.getMobPositionOffsets(
p.getLocation(), playerToUpdate.getLocation());
packet.addBits(p.getIndex(), 16);
packet.addBits(offsets[0], 5);
packet.addBits(offsets[1], 5);
packet.addBits(p.getSprite(), 4);
packet.addBits(0, 1);
}
RSCPacket pkt = packet.toPacket();
return pkt;
}
/**
* Sets the player to update
*/
public void setPlayer(Player p) {
playerToUpdate = p;
}
}