Clean up Hologram class code

This commit is contained in:
Graphica 2017-05-27 16:14:48 -05:00 committed by cnr
parent 2c6112347a
commit 7baf3bad30

View File

@ -24,13 +24,13 @@ import org.bukkit.util.Vector;
import mineplex.core.common.util.UtilEnt; import mineplex.core.common.util.UtilEnt;
import mineplex.core.common.util.UtilPlayer; import mineplex.core.common.util.UtilPlayer;
/**
* Floating text object with interaction and entity follow capabilities.
*/
public class Hologram { public class Hologram {
public enum HologramTarget {
BLACKLIST, WHITELIST;
}
private Packet _destroy1_8; private Packet _destroy1_8;
/** /**
* 1.7 packets uses both EntityIDs while 1.8 uses only the first. * 1.7 packets uses both EntityIDs while 1.8 uses only the first.
*/ */
@ -38,6 +38,7 @@ public class Hologram {
private Entity _followEntity; private Entity _followEntity;
private HologramManager _hologramManager; private HologramManager _hologramManager;
private String[] _hologramText = new String[0]; private String[] _hologramText = new String[0];
/** /**
* Keeps track of the holograms movements. This fixes offset that * Keeps track of the holograms movements. This fixes offset that
* occasionally happens when moving a hologram around. * occasionally happens when moving a hologram around.
@ -60,15 +61,42 @@ public class Hologram {
private long _maxLifetime = -1; private long _maxLifetime = -1;
private long _startTime; private long _startTime;
public Hologram(HologramManager hologramManager, Location location, String... text) { /**
* Construct a standard hologram.
*
* @param hologramManager The hologram manager.
* @param location The location at which to display the hologram.
* @param text An array of text lines which the hologram should display.
*/
public Hologram(HologramManager hologramManager, Location location, String... text)
{
this(hologramManager, location, false, -1l, text); this(hologramManager, location, false, -1l, text);
} }
public Hologram(HologramManager hologramManager, Location location, boolean hideBoundingBox, String... text) { /**
* Construct a hologram with a specified bounding box.
*
* @param hologramManager The hologram manager.
* @param location The location at which to display the hologram.
* @param hideBoundingBox Whether to hide the bounding box of the hologram.
* @param text An array of text lines which the hologram should display.
*/
public Hologram(HologramManager hologramManager, Location location, boolean hideBoundingBox, String... text)
{
this(hologramManager, location, hideBoundingBox, -1l, text); this(hologramManager, location, hideBoundingBox, -1l, text);
} }
public Hologram(HologramManager hologramManager, Location location, boolean hideBoundingBox, long maxLifetime, String... text) { /**
* Construct a hologram with a limited lifetime.
*
* @param hologramManager The hologram manager.
* @param location The location at which to display the hologram.
* @param hideBoundingBox Whether to hide the bounding box of the hologram.
* @param maxLifetime The max lifetime of the hologram, specified in milliseconds.
* @param text An array of text lines which the hologram should display.
*/
public Hologram(HologramManager hologramManager, Location location, boolean hideBoundingBox, long maxLifetime, String... text)
{
_hologramManager = hologramManager; _hologramManager = hologramManager;
_location = location.clone(); _location = location.clone();
_maxLifetime = maxLifetime; _maxLifetime = maxLifetime;
@ -76,9 +104,16 @@ public class Hologram {
setText(text); setText(text);
} }
public Hologram setInteraction(HologramInteraction interact) { /**
* Set the interaction handler for the hologram.
*
* @param interact The handler.
*
* @return the original hologram object.
*/
public Hologram setInteraction(HologramInteraction interact)
{
_interaction = interact; _interaction = interact;
return this; return this;
} }
@ -89,37 +124,50 @@ public class Hologram {
/** /**
* Adds the player to the Hologram to be effected by Whitelist or Blacklist * Adds the player to the Hologram to be effected by Whitelist or Blacklist
*/ */
public Hologram addPlayer(Player player) { public Hologram addPlayer(Player player)
{
return addPlayer(player.getUniqueId()); return addPlayer(player.getUniqueId());
} }
/** /**
* Adds the player to the Hologram to be effected by Whitelist or Blacklist * Adds the player to the Hologram to be effected by Whitelist or Blacklist
*/ */
public Hologram addPlayer(UUID player) { public Hologram addPlayer(UUID player)
{
_playersInList.add(player); _playersInList.add(player);
return this; return this;
} }
/** /**
* Warning! Bounding box if hidden will hide holograms for 1.8 to 1.8.2 * Hides the bounding box for the hologram. <br>
* *
* @return * <b>Warning! Bounding box if hidden will hide holograms for 1.8 to 1.8.2</b>
*
* @return the original hologram object.
*/ */
public Hologram setHideBoundingBox() { public Hologram setHideBoundingBox()
{
_hideBoundingBox = true; _hideBoundingBox = true;
return this; return this;
} }
/** /**
* Is there a player entry in the hologram for Whitelist and Blacklist * @return if there is a player entry in the holograms whitelist/blacklist.
*/ */
public boolean containsPlayer(Player player) { public boolean containsPlayer(Player player)
{
return _playersInList.contains(player.getUniqueId()); return _playersInList.contains(player.getUniqueId());
} }
protected Packet getDestroyPacket() { /**
if (_makeDestroyPackets) { * Generates a packet to destroy the hologram client-side.
*
* @return the packet.
*/
protected Packet getDestroyPacket()
{
if (_makeDestroyPackets)
{
makeDestroyPacket(); makeDestroyPacket();
_makeDestroyPackets = false; _makeDestroyPackets = false;
} }
@ -127,32 +175,44 @@ public class Hologram {
return _destroy1_8; return _destroy1_8;
} }
public Entity getEntityFollowing() { /**
* @return the entity that this hologram is currently following.
*/
public Entity getEntityFollowing()
{
return _followEntity; return _followEntity;
} }
/** /**
* Get who can see the hologram * @return The functionality that is currently being used for the object's internal
* * player list.
* @Whitelist = Only people added can see the hologram * {@link HologramTarget#WHITELIST} = Only people added can see the hologram
* @Blacklist = Anyone but people added can see the hologram * {@link HologramTarget#BLACKLIST} = Anyone but people added can see the hologram
*/ */
public HologramTarget getHologramTarget() { public HologramTarget getHologramTarget()
{
return _target; return _target;
} }
/** /**
* Get the hologram location * @return the current location of the hologram.
*/ */
public Location getLocation() { public Location getLocation()
{
return _location.clone(); return _location.clone();
} }
protected ArrayList<Player> getNearbyPlayers() { /**
ArrayList<Player> nearbyPlayers = new ArrayList<Player>(); * @return A list of players that can currently see the hologram.
*/
protected ArrayList<Player> getNearbyPlayers()
{
ArrayList<Player> nearbyPlayers = new ArrayList<>();
for (Player player : getLocation().getWorld().getPlayers()) { for (Player player : getLocation().getWorld().getPlayers())
if (isVisible(player)) { {
if (isVisible(player))
{
nearbyPlayers.add(player); nearbyPlayers.add(player);
} }
} }
@ -160,26 +220,37 @@ public class Hologram {
return nearbyPlayers; return nearbyPlayers;
} }
protected ArrayList<Player> getPlayersTracking() { /**
* @return The list of players that are in the holograms whitelist or blacklist.
*/
protected ArrayList<Player> getPlayersTracking()
{
return _playersTracking; return _playersTracking;
} }
protected void checkSpawnPackets() { /**
if (_makeSpawnPackets) { * Generates hologram spawn packets if they have not been created already.
*/
protected void checkSpawnPackets()
{
if (_makeSpawnPackets)
{
makeSpawnPackets(); makeSpawnPackets();
_makeSpawnPackets = false; _makeSpawnPackets = false;
} }
} }
/** /**
* Get the text in the hologram * @return the current text being displayed by the hologram.
*/ */
public String[] getText() { public String[] getText()
{
// We reverse it again as the hologram would otherwise display the text // We reverse it again as the hologram would otherwise display the text
// from the bottom row to the top row // from the bottom row to the top row
String[] reversed = new String[_hologramText.length]; String[] reversed = new String[_hologramText.length];
for (int i = 0; i < reversed.length; i++) { for (int i = 0; i < reversed.length; i++)
{
reversed[i] = _hologramText[reversed.length - (i + 1)]; reversed[i] = _hologramText[reversed.length - (i + 1)];
} }
@ -187,27 +258,45 @@ public class Hologram {
} }
/** /**
* Get the view distance the hologram is viewable from. Default is 70 * @return the view distance the hologram is viewable from. Default is 70
*/ */
public int getViewDistance() { public int getViewDistance()
{
return _viewDistance; return _viewDistance;
} }
/** /**
* Is the hologram holograming? * @return Is the hologram holograming?
*/ */
public boolean isInUse() { public boolean isInUse()
{
return _lastMovement != null; return _lastMovement != null;
} }
public boolean isRemoveOnEntityDeath() { /**
* @return whether to delete the hologram when the entity it is following dies.
*/
public boolean isRemoveOnEntityDeath()
{
return _removeEntityDeath; return _removeEntityDeath;
} }
public boolean isVisible(Player player) { /**
if (getLocation().getWorld() == player.getWorld()) { * Determines whether the hologram is visible to a player based on view distance, whitelist /
if ((getHologramTarget() == HologramTarget.WHITELIST) == containsPlayer(player)) { * blacklist, and current world.
if (getLocation().distance(player.getLocation()) < getViewDistance()) { *
* @param player The player to check.
*
* @return whether the hologram is visible to the player.
*/
public boolean isVisible(Player player)
{
if (getLocation().getWorld() == player.getWorld())
{
if ((getHologramTarget() == HologramTarget.WHITELIST) == containsPlayer(player))
{
if (getLocation().distance(player.getLocation()) < getViewDistance())
{
return true; return true;
} }
} }
@ -216,34 +305,49 @@ public class Hologram {
return false; return false;
} }
private void makeDestroyPacket() { /**
* Generates a packet to destroy the hologram client-side.
*/
private void makeDestroyPacket()
{
int[] entityIds1_8 = new int[_entityIds.size()]; int[] entityIds1_8 = new int[_entityIds.size()];
for (int i = 0; i < _entityIds.size(); i++) { for (int i = 0; i < _entityIds.size(); i++)
{
entityIds1_8[i] = _entityIds.get(i); entityIds1_8[i] = _entityIds.get(i);
} }
_destroy1_8 = new PacketPlayOutEntityDestroy(entityIds1_8); _destroy1_8 = new PacketPlayOutEntityDestroy(entityIds1_8);
} }
private void makeSpawnPackets() { /**
* Generates spawn packets for the hologram.
*/
private void makeSpawnPackets()
{
_packets1_8 = new Packet[_hologramText.length]; _packets1_8 = new Packet[_hologramText.length];
_packets1_9 = new Packet[_hologramText.length]; _packets1_9 = new Packet[_hologramText.length];
if (_entityIds.size() < _hologramText.length) { if (_entityIds.size() < _hologramText.length)
{
_makeDestroyPackets = true; _makeDestroyPackets = true;
for (int i = _entityIds.size(); i < _hologramText.length; i++) { for (int i = _entityIds.size(); i < _hologramText.length; i++)
{
_entityIds.add(Integer.valueOf(UtilEnt.getNewEntityId())); _entityIds.add(Integer.valueOf(UtilEnt.getNewEntityId()));
} }
} else { }
else
{
_makeDestroyPackets = true; _makeDestroyPackets = true;
while (_entityIds.size() > _hologramText.length) { while (_entityIds.size() > _hologramText.length)
{
_entityIds.remove(_hologramText.length); _entityIds.remove(_hologramText.length);
} }
} }
for (int textRow = 0; textRow < _hologramText.length; textRow++) { for (int textRow = 0; textRow < _hologramText.length; textRow++)
{
PacketPlayOutSpawnEntityLiving packet1_8 = makeSpawnPacket1_8(textRow, _entityIds.get(textRow), _hologramText[textRow]); PacketPlayOutSpawnEntityLiving packet1_8 = makeSpawnPacket1_8(textRow, _entityIds.get(textRow), _hologramText[textRow]);
PacketPlayOutSpawnEntityLiving packet1_9 = makeSpawnPacket1_9(textRow, _entityIds.get(textRow), _hologramText[textRow]); PacketPlayOutSpawnEntityLiving packet1_9 = makeSpawnPacket1_9(textRow, _entityIds.get(textRow), _hologramText[textRow]);
@ -253,7 +357,7 @@ public class Hologram {
} }
/** /**
* Used for sending 1.9 clients holograms with no bounding boxes * Used for sending 1.9 clients holograms with no bounding boxes.
*/ */
private PacketPlayOutSpawnEntityLiving makeSpawnPacket1_9(int textRow, int entityId, String lineOfText) private PacketPlayOutSpawnEntityLiving makeSpawnPacket1_9(int textRow, int entityId, String lineOfText)
{ {
@ -269,7 +373,11 @@ public class Hologram {
return packet; return packet;
} }
private PacketPlayOutSpawnEntityLiving makeSpawnPacket1_8(int textRow, int entityId, String lineOfText) { /**
* Used for sending 1.8 clients holograms.
*/
private PacketPlayOutSpawnEntityLiving makeSpawnPacket1_8(int textRow, int entityId, String lineOfText)
{
PacketPlayOutSpawnEntityLiving packet = new PacketPlayOutSpawnEntityLiving(); PacketPlayOutSpawnEntityLiving packet = new PacketPlayOutSpawnEntityLiving();
DataWatcher watcher = new DataWatcher(null); DataWatcher watcher = new DataWatcher(null);
@ -290,41 +398,54 @@ public class Hologram {
} }
/** /**
* Removes the player from the Hologram so they are no longer effected by * Removes a player from the Hologram so they are no longer effected by
* Whitelist or Blacklist * whitelist or blacklist.
*
* @param player The player to remove.
*
* @return the original hologram object.
*/ */
public Hologram removePlayer(Player player) { public Hologram removePlayer(Player player)
{
return removePlayer(player.getUniqueId()); return removePlayer(player.getUniqueId());
} }
/** /**
* Removes the player from the Hologram so they are no longer effected by * Removes the player from the Hologram so they are no longer effected by
* Whitelist or Blacklist * whitelist or blacklist
*
* @param player The player to remove.
*
* @return the original hologram object.
*/ */
public Hologram removePlayer(UUID player) { public Hologram removePlayer(UUID player)
{
_playersInList.remove(player); _playersInList.remove(player);
return this; return this;
} }
/** /**
* If the entity moves, the hologram will update its position to appear * Sets an entity to which the hologram will remain relative to in position.
* relative to the movement.
* *
* @Please note the hologram updates every tick. * @param entityToFollow the entity which to follow.
*
* @return the original hologram object.
*/ */
public Hologram setFollowEntity(Entity entityToFollow) { public Hologram setFollowEntity(Entity entityToFollow) {
_followEntity = entityToFollow; _followEntity = entityToFollow;
relativeToEntity = entityToFollow == null ? null relativeToEntity = entityToFollow == null ? null : _location.clone().subtract(entityToFollow.getLocation()).toVector();
: _location.clone().subtract(entityToFollow.getLocation()).toVector();
return this; return this;
} }
/** /**
* Set who can see the hologram * Set how the hologram's internal player list is used.
* *
* @Whitelist = Only people added can see the hologram * @param newTarget The target which defines how the list is used.
* @Blacklist = Anyone but people added can see the hologram * {@link HologramTarget#WHITELIST} = Only people added can see the hologram
* {@link HologramTarget#BLACKLIST} = Anyone but people added can see the hologram
*
* @retuen the original hologram object.
*/ */
public Hologram setHologramTarget(HologramTarget newTarget) { public Hologram setHologramTarget(HologramTarget newTarget) {
_target = newTarget; _target = newTarget;
@ -332,44 +453,61 @@ public class Hologram {
} }
/** /**
* Sets the hologram to appear at this location * Change the location of the hologram.
*
* @param newLocation the location to which to teleport the hologram.
*
* @return the original hologram object.
*/ */
public Hologram setLocation(Location newLocation) { public Hologram setLocation(Location newLocation)
{
_makeSpawnPackets = true; _makeSpawnPackets = true;
Location oldLocation = getLocation(); Location oldLocation = getLocation();
_location = newLocation.clone(); _location = newLocation.clone();
if (getEntityFollowing() != null) { if (getEntityFollowing() != null)
{
relativeToEntity = _location.clone().subtract(getEntityFollowing().getLocation()).toVector(); relativeToEntity = _location.clone().subtract(getEntityFollowing().getLocation()).toVector();
} }
if (isInUse()) {
if (isInUse())
{
ArrayList<Player> canSee = getNearbyPlayers(); ArrayList<Player> canSee = getNearbyPlayers();
Iterator<Player> itel = _playersTracking.iterator(); Iterator<Player> itel = _playersTracking.iterator();
while (itel.hasNext()) { while (itel.hasNext())
{
Player player = itel.next(); Player player = itel.next();
if (!canSee.contains(player)) { if (!canSee.contains(player))
{
itel.remove(); itel.remove();
if (player.getWorld() == getLocation().getWorld()) { if (player.getWorld() == getLocation().getWorld())
{
UtilPlayer.sendPacket(player, getDestroyPacket()); UtilPlayer.sendPacket(player, getDestroyPacket());
} }
} }
} }
itel = canSee.iterator(); itel = canSee.iterator();
checkSpawnPackets(); checkSpawnPackets();
while (itel.hasNext()) {
while (itel.hasNext())
{
Player player = itel.next(); Player player = itel.next();
if (!_playersTracking.contains(player)) { if (!_playersTracking.contains(player))
{
_playersTracking.add(player); _playersTracking.add(player);
itel.remove(); itel.remove();
UtilPlayer.sendPacket(player, UtilPlayer.is1_9(player) ? _packets1_9 : _packets1_8); UtilPlayer.sendPacket(player, UtilPlayer.is1_9(player) ? _packets1_9 : _packets1_8);
} }
} }
if (!canSee.isEmpty()) {
if (!canSee.isEmpty())
{
_lastMovement.add(new Vector(newLocation.getX() - oldLocation.getX(), _lastMovement.add(new Vector(newLocation.getX() - oldLocation.getX(),
newLocation.getY() - oldLocation.getY(), newLocation.getZ() - oldLocation.getZ())); newLocation.getY() - oldLocation.getY(), newLocation.getZ() - oldLocation.getZ()));
@ -381,9 +519,12 @@ public class Hologram {
int i = 0; int i = 0;
if (x >= -128 && x <= 127 && y >= -128 && y <= 127 && z >= -128 && z <= 127) { if (x >= -128 && x <= 127 && y >= -128 && y <= 127 && z >= -128 && z <= 127)
{
_lastMovement.subtract(new Vector(x / 32D, y / 32D, z / 32D)); _lastMovement.subtract(new Vector(x / 32D, y / 32D, z / 32D));
for (Integer entityId : _entityIds) {
for (Integer entityId : _entityIds)
{
PacketPlayOutEntity.PacketPlayOutRelEntityMove relMove = new PacketPlayOutEntity.PacketPlayOutRelEntityMove(); PacketPlayOutEntity.PacketPlayOutRelEntityMove relMove = new PacketPlayOutEntity.PacketPlayOutRelEntityMove();
relMove.a = entityId; relMove.a = entityId;
@ -394,13 +535,16 @@ public class Hologram {
packets1_8[i] = relMove; packets1_8[i] = relMove;
i++; i++;
} }
} else { }
else
{
x = (int) Math.floor(32 * newLocation.getX()); x = (int) Math.floor(32 * newLocation.getX());
z = (int) Math.floor(32 * newLocation.getZ()); z = (int) Math.floor(32 * newLocation.getZ());
_lastMovement = new Vector(newLocation.getX() - (x / 32D), 0, newLocation.getZ() - (z / 32D)); _lastMovement = new Vector(newLocation.getX() - (x / 32D), 0, newLocation.getZ() - (z / 32D));
for (Integer entityId : _entityIds) { for (Integer entityId : _entityIds)
{
PacketPlayOutEntityTeleport teleportPacket = new PacketPlayOutEntityTeleport(); PacketPlayOutEntityTeleport teleportPacket = new PacketPlayOutEntityTeleport();
teleportPacket.a = entityId; teleportPacket.a = entityId;
teleportPacket.b = x; teleportPacket.b = x;
@ -413,61 +557,93 @@ public class Hologram {
} }
} }
for (Player player : canSee) { for (Player player : canSee)
for (Packet packet : packets1_8) { {
for (Packet packet : packets1_8)
{
UtilPlayer.sendPacket(player, packet); UtilPlayer.sendPacket(player, packet);
} }
} }
} }
} }
return this; return this;
} }
/**
* @return the time at which the hologram was last started.
*/
public long getStartTime() public long getStartTime()
{ {
return _startTime; return _startTime;
} }
/**
* @return the max time after the hologram was started for which it will live.
*/
public long getMaxLifetime() public long getMaxLifetime()
{ {
return _maxLifetime; return _maxLifetime;
} }
public Hologram setRemoveOnEntityDeath() { /**
* Set the hologram to stop when the entity it is following dies.
*
* @return the original hologram object.
*/
public Hologram setRemoveOnEntityDeath()
{
_removeEntityDeath = true; _removeEntityDeath = true;
return this; return this;
} }
public boolean isEntityId(int entityId) { /**
* @param entityId an entity id.
*
* @return whether the entity ID is represented by this hologram object.
*/
public boolean isEntityId(int entityId)
{
return _entityIds.contains(entityId); return _entityIds.contains(entityId);
} }
/** /**
* Set the hologram text * Set the hologram text
*
* @param newLines array of text lines for the hologram to display.
*
* @return the original hologram object.
*/ */
public Hologram setText(String... newLines) { public Hologram setText(String... newLines)
{
String[] newText = new String[newLines.length]; String[] newText = new String[newLines.length];
for (int i = 0; i < newText.length; i++) { for (int i = 0; i < newText.length; i++)
{
newText[i] = newLines[newText.length - (i + 1)]; newText[i] = newLines[newText.length - (i + 1)];
} }
if (newText.equals(_hologramText)) if (newText.equals(_hologramText))
{
return this; return this;
}
if (isInUse()) { if (isInUse())
{
int[] destroy1_8 = new int[0]; int[] destroy1_8 = new int[0];
ArrayList<Packet> packets1_8 = new ArrayList<Packet>(); ArrayList<Packet> packets1_8 = new ArrayList<>();
ArrayList<Packet> packets1_9 = new ArrayList<>(); ArrayList<Packet> packets1_9 = new ArrayList<>();
if (_hologramText.length != newText.length) { if (_hologramText.length != newText.length)
{
_makeDestroyPackets = true; _makeDestroyPackets = true;
} }
for (int i = 0; i < Math.max(_hologramText.length, newText.length); i++) { for (int i = 0; i < Math.max(_hologramText.length, newText.length); i++)
// If more lines than previously {
if (i >= _hologramText.length) { if (i >= _hologramText.length) // If more lines than previously
{
// Add entity id and send spawn packets // Add entity id and send spawn packets
// You add a entity id because the new hologram needs // You add a entity id because the new hologram needs
int entityId = UtilEnt.getNewEntityId(); int entityId = UtilEnt.getNewEntityId();
@ -476,14 +652,16 @@ public class Hologram {
packets1_8.add(makeSpawnPacket1_8(i, entityId, newText[i])); packets1_8.add(makeSpawnPacket1_8(i, entityId, newText[i]));
packets1_9.add(makeSpawnPacket1_9(i, entityId, newText[i])); packets1_9.add(makeSpawnPacket1_9(i, entityId, newText[i]));
} }
// If less lines than previously else if (i >= newText.length) // If less lines than previously
else if (i >= newText.length) { {
// Remove entity id and send destroy packets // Remove entity id and send destroy packets
Integer entityId = _entityIds.remove(newText.length); Integer entityId = _entityIds.remove(newText.length);
destroy1_8 = Arrays.copyOf(destroy1_8, destroy1_8.length + 1); destroy1_8 = Arrays.copyOf(destroy1_8, destroy1_8.length + 1);
destroy1_8[destroy1_8.length - 1] = entityId; destroy1_8[destroy1_8.length - 1] = entityId;
} else if (!newText[i].equals(_hologramText[i])) { }
else if (!newText[i].equals(_hologramText[i]))
{
// Send update metadata packets // Send update metadata packets
Integer entityId = _entityIds.get(i); Integer entityId = _entityIds.get(i);
@ -495,10 +673,12 @@ public class Hologram {
watcher1_8.a(2, newText[i], EntityArmorStand.META_CUSTOMNAME, newText[i]); watcher1_8.a(2, newText[i], EntityArmorStand.META_CUSTOMNAME, newText[i]);
watcher1_8.a(3, (byte) 1, EntityArmorStand.META_CUSTOMNAME_VISIBLE, true); watcher1_8.a(3, (byte) 1, EntityArmorStand.META_CUSTOMNAME_VISIBLE, true);
} }
{ {
watcher1_9.a(0, (byte) 32, EntityArmorStand.META_ENTITYDATA, (byte) 32); watcher1_9.a(0, (byte) 32, EntityArmorStand.META_ENTITYDATA, (byte) 32);
watcher1_9.a(2, newText[i], EntityArmorStand.META_CUSTOMNAME, newText[i]); watcher1_9.a(2, newText[i], EntityArmorStand.META_CUSTOMNAME, newText[i]);
watcher1_9.a(3, (byte) 1, EntityArmorStand.META_CUSTOMNAME_VISIBLE, true); watcher1_9.a(3, (byte) 1, EntityArmorStand.META_CUSTOMNAME_VISIBLE, true);
if (_hideBoundingBox) if (_hideBoundingBox)
{ {
watcher1_9.a(10, (byte) 16, EntityArmorStand.META_ARMOR_OPTION, (byte) 16); watcher1_9.a(10, (byte) 16, EntityArmorStand.META_ARMOR_OPTION, (byte) 16);
@ -510,13 +690,16 @@ public class Hologram {
} }
} }
if (destroy1_8.length > 0) { if (destroy1_8.length > 0)
{
packets1_8.add(new PacketPlayOutEntityDestroy(destroy1_8)); packets1_8.add(new PacketPlayOutEntityDestroy(destroy1_8));
packets1_9.add(new PacketPlayOutEntityDestroy(destroy1_8)); packets1_9.add(new PacketPlayOutEntityDestroy(destroy1_8));
} }
for (Player player : _playersTracking) { for (Player player : _playersTracking)
{
List<Packet> packets = UtilPlayer.is1_9(player) ? packets1_9 : packets1_8; List<Packet> packets = UtilPlayer.is1_9(player) ? packets1_9 : packets1_8;
for (Packet packet : packets) for (Packet packet : packets)
{ {
UtilPlayer.sendPacket(player, packet); UtilPlayer.sendPacket(player, packet);
@ -532,18 +715,26 @@ public class Hologram {
/** /**
* Set the distance the hologram is viewable from. Default is 70 * Set the distance the hologram is viewable from. Default is 70
*
* @param newDistance The distance in blocks.
*
* @return the original hologram object.
*/ */
public Hologram setViewDistance(int newDistance) { public Hologram setViewDistance(int newDistance)
{
_viewDistance = newDistance; _viewDistance = newDistance;
return setLocation(getLocation()); return setLocation(getLocation());
} }
/** /**
* Start the hologram * Start the hologram, displaying it to players.
*
* @return the original hologram object.
*/ */
public Hologram start() { public Hologram start()
if (!isInUse()) { {
if (!isInUse())
{
_startTime = System.currentTimeMillis(); _startTime = System.currentTimeMillis();
_hologramManager.addHologram(this); _hologramManager.addHologram(this);
@ -553,9 +744,13 @@ public class Hologram {
_lastMovement = new Vector(); _lastMovement = new Vector();
} }
return this; return this;
} }
/**
* Sends hologram spawn packets to players.
*/
private void sendPackets() private void sendPackets()
{ {
checkSpawnPackets(); checkSpawnPackets();
@ -566,6 +761,13 @@ public class Hologram {
} }
} }
/**
* Generates spawn packets based on minecraft version.
*
* @param player The player for which to generate the packets.
*
* @return the list of packets generated.
*/
public Packet[] getSpawnPackets(Player player) public Packet[] getSpawnPackets(Player player)
{ {
checkSpawnPackets(); checkSpawnPackets();
@ -574,13 +776,19 @@ public class Hologram {
} }
/** /**
* Stop the hologram * Stop the hologram, effectively destroying it once
* garbage collection has occurred.
*
* @return the original hologram object.
*/ */
public Hologram stop() { public Hologram stop()
if (isInUse()) { {
if (isInUse())
{
_hologramManager.removeHologram(this); _hologramManager.removeHologram(this);
for (Player player : _playersTracking) { for (Player player : _playersTracking)
{
UtilPlayer.sendPacket(player, getDestroyPacket()); UtilPlayer.sendPacket(player, getDestroyPacket());
} }
@ -591,4 +799,11 @@ public class Hologram {
return this; return this;
} }
/**
* Enum defining to whom the hologram is displayed.
*/
public enum HologramTarget
{
BLACKLIST, WHITELIST
}
} }