Java Code Examples for org.bukkit.entity.Player#canSee()

private List<String> tabComplete0(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
    Validate.notNull(sender, "Sender cannot be null");
    Validate.notNull(args, "Arguments cannot be null");
    Validate.notNull(alias, "Alias cannot be null");

    if (args.length == 0) {
        return ImmutableList.of();
    }

    String lastWord = args[args.length - 1];

    Player senderPlayer = sender instanceof Player ? (Player) sender : null;

    ArrayList<String> matchedPlayers = new ArrayList<String>();
    for (Player player : sender.getServer().getOnlinePlayers()) {
        String name = player.getName();
        if ((senderPlayer == null || senderPlayer.canSee(player)) && StringUtil.startsWithIgnoreCase(name, lastWord)) {
            matchedPlayers.add(name);
        }
    }

    Collections.sort(matchedPlayers, String.CASE_INSENSITIVE_ORDER);
    return matchedPlayers;
}
 

@Override
public void render(MapView map, MapCanvas canvas, Player player) {
    // Map
    for (int x = 0; x < 128; ++x) {
        for (int y = 0; y < 128; ++y) {
            canvas.setPixel(x, y, worldMap.colors[y * 128 + x]);
        }
    }

    // Cursors
    MapCursorCollection cursors = canvas.getCursors();
    while (cursors.size() > 0) {
        cursors.removeCursor(cursors.getCursor(0));
    }

    for (Object key : worldMap.mapDecorations.keySet()) {
        // If this cursor is for a player check visibility with vanish system
        Player other = Bukkit.getPlayerExact((String) key);
        if (other != null && !player.canSee(other)) {
            continue;
        }

        MapDecoration decoration = worldMap.mapDecorations.get(key);
        cursors.addCursor(decoration.getX(), decoration.getY(), (byte) (decoration.getRotation() & 15), decoration.getImage());
    }
}
 

public List<String> tabCompleteChat(Player player, String message) {
    List<String> completions = new ArrayList<String>();
    PlayerChatTabCompleteEvent event = new PlayerChatTabCompleteEvent(player, message, completions);
    String token = event.getLastToken();
    for (Player p : getOnlinePlayers()) {
        if (player.canSee(p) && StringUtil.startsWithIgnoreCase(p.getName(), token)) {
            completions.add(p.getName());
        }
    }
    pluginManager.callEvent(event);

    Iterator<?> it = completions.iterator();
    while (it.hasNext()) {
        Object current = it.next();
        if (!(current instanceof String)) {
            // Sanity
            it.remove();
        }
    }
    Collections.sort(completions, String.CASE_INSENSITIVE_ORDER);
    return completions;
}
 

@Subscribe(priority = Subscribe.Priority.MONITOR)
public void onPlayerJoinGame(PlayerPreJoinGameEvent event) {
	Game game = event.getGame();
	
	if (event.getJoinResult() != JoinResult.ALLOW || game.getGameState() == GameState.INGAME) {
		return;
	}
	
	SpleefPlayer player = event.getPlayer();
	Player bukkitPlayer = player.getBukkitPlayer();
	
	FlagSpectate flag = (FlagSpectate) getParent();
	
	for (SpleefPlayer spectating : flag.getSpectators()) {
		if (!bukkitPlayer.canSee(spectating.getBukkitPlayer())) {
			continue;
		}
		
		bukkitPlayer.hidePlayer(spectating.getBukkitPlayer());
	}
}
 

private void updatePlayer(Player player, String oldName) {
    Validate.isTrue(enabled, "NameTagChanger is disabled");
    GameProfileWrapper newProfile = gameProfiles.get(player.getUniqueId());
    if (newProfile == null) {
        newProfile = packetHandler.getDefaultPlayerProfile(player);
    }
    List<Team> scoreboardTeamsToUpdate = Lists.newArrayList();
    sendingPackets = true;
    for (Player otherPlayer : Bukkit.getOnlinePlayers()) {
        if (otherPlayer.equals(player)) {
            if (otherPlayer.getScoreboard().getEntryTeam(player.getName()) != null) {
                scoreboardTeamsToUpdate.add(otherPlayer.getScoreboard().getEntryTeam(player.getName()));
            }
            continue;
        }
        if (otherPlayer.canSee(player)) {
            packetHandler.sendTabListRemovePacket(player, otherPlayer);
            packetHandler.sendTabListAddPacket(player, newProfile, otherPlayer);
            if (otherPlayer.getWorld().equals(player.getWorld())) {
                packetHandler.sendEntityDestroyPacket(player, otherPlayer);
                packetHandler.sendNamedEntitySpawnPacket(player, otherPlayer);
                packetHandler.sendEntityEquipmentPacket(player, otherPlayer);
            }
        }
        // The player we want to rename is in a scoreboard team.
        if (otherPlayer.getScoreboard().getEntryTeam(player.getName()) != null) {
            scoreboardTeamsToUpdate.add(otherPlayer.getScoreboard().getEntryTeam(player.getName()));
        }
    }
    if (oldName != null) {
        String newName = newProfile.getName();
        for (Team team : scoreboardTeamsToUpdate) {
            Bukkit.getOnlinePlayers().stream().filter(p -> p.getScoreboard() == team.getScoreboard()).forEach(p -> {
                packetHandler.sendScoreboardRemovePacket(oldName, p, team.getName());
                packetHandler.sendScoreboardAddPacket(newName, p, team.getName());
            });
        }
    }
    sendingPackets = false;
}
 

@EventHandler
public void entityDamage(final EntityDamageEvent event) {
    if(!(event instanceof EntityDamageByEntityEvent)) return;
    EntityDamageByEntityEvent realEvent = (EntityDamageByEntityEvent) event;
    if(!(realEvent.getDamager() instanceof Player) || !(realEvent.getEntity() instanceof Player)) return;

    final Player damager = (Player) realEvent.getDamager();
    final Player victim = (Player) realEvent.getEntity();

    if(victim.hasPermission(GizmoConfig.EXEMPT_PERMISSION)) return;

    if(!(Gizmos.gizmoMap.get(damager) instanceof PopperGizmo)) return;
    if(damager.getItemInHand().getType() != this.getIcon()) return;

    if(!damager.canSee(victim)) return;

    damager.hidePlayer(victim);
    damager.playSound(damager.getLocation(), Sound.BLOCK_LAVA_POP, 1f, 2f);

    Integer count = poppedCount.get(damager);
    if(count == null) count = 0;

    count++;
    poppedCount.put(damager, count);

    if(count % 10 == 0) {
        RaindropUtil.giveRaindrops(
            Users.playerId(damager), 1, null,
            new TranslatableComponent("gizmo.popper.raindropsResult", new Component(String.valueOf(count), net.md_5.bungee.api.ChatColor.GOLD))
        );
    }

    event.setCancelled(true);
}
 

private void showTitle(Player player, Chunk newChunk) {
    // Get the UUID of the new chunk owner
    UUID newOwner = claimChunk.getChunkHandler().getOwner(newChunk.getWorld(), newChunk.getX(),
            newChunk.getZ());

    // Check if this player doesn't own the new chunk
    if (newOwner != null && !player.getUniqueId().equals(newOwner)) {
        // Get the name of the chunks for the owner of this chunk and display it
        PlayerHandler ph = claimChunk.getPlayerHandler();
        String newName = ph.getChunkName(newOwner);
        String text = ((newName == null)
                ? claimChunk.getMessages().unknownChunkOwner  // Something probably went wrong with the PlayerHandler
                : claimChunk.getMessages().chunkOwner.replace("%%PLAYER%%", newName));
        showTitleRaw(true, player, text);

        // Send a message to the chunk owner if possible
        if (ph.hasAlerts(newOwner)) {
            Player owner = Bukkit.getPlayer(newOwner);
            if (owner != null) {
                if (owner.canSee(player)
                        || !claimChunk.chConfig().getBool("chunks", "hideAlertsForVanishedPlayers")) {
                    showTitleRaw(false, owner, claimChunk.getMessages().playerEnterChunk.replace("%%PLAYER%%", player.getDisplayName()));
                }
            }
        }
    } else {
        // This chunk is owned by this player
        showTitleRaw(true, player, claimChunk.getMessages().chunkSelf);
    }
}
 

@Override
public void render(MapView map, MapCanvas canvas, Player player) {
    if(CauldronCommand.debug) {
    System.out.println("Default Map Render called!");
    for (StackTraceElement ste : Thread.currentThread().getStackTrace()) {
        System.out.println(ste);
    } }


    // Map
    for (int x = 0; x < 128; ++x) {
        for (int y = 0; y < 128; ++y) {
            canvas.setPixel(x, y, worldMap.colors[y * 128 + x]);
        }
    }

    // Cursors
    MapCursorCollection cursors = canvas.getCursors();
    while (cursors.size() > 0) {
        cursors.removeCursor(cursors.getCursor(0));
    }

    for (UUID key : worldMap.playersVisibleOnMap.keySet()) { // Spigot string -> uuid
        // If this cursor is for a player check visibility with vanish system
        Player other = Bukkit.getPlayer(key); // Spigot
        if (other != null && !player.canSee(other)) {
            continue;
        }

        net.minecraft.world.storage.MapData.MapCoord decoration = (net.minecraft.world.storage.MapData.MapCoord) worldMap.playersVisibleOnMap.get(key);
        cursors.addCursor(decoration.centerX, decoration.centerZ, (byte) (decoration.iconRotation & 15), decoration.iconSize);
    }
}
 

public List<String> tabCompleteChat(Player player, String message) {
    List<String> completions = new ArrayList<String>();
    PlayerChatTabCompleteEvent event = new PlayerChatTabCompleteEvent(player, message, completions);
    String token = event.getLastToken();
    for (Player p : getOnlinePlayers()) {
        if (player.canSee(p) && StringUtil.startsWithIgnoreCase(p.getName(), token)) {
        	if (event.isPinging())
        	{
        		StringBuilder sb = new StringBuilder(1 + p.getName().length());
        		sb.append('@'); sb.append(p.getName());
        		completions.add(sb.toString());
        	}
        	else
        		completions.add(p.getName());
        }
    }
    pluginManager.callEvent(event);

    Iterator<?> it = completions.iterator();
    while (it.hasNext()) {
        Object current = it.next();
        if (!(current instanceof String)) {
            // Sanity
            it.remove();
        }
    }
    Collections.sort(completions, String.CASE_INSENSITIVE_ORDER);
    return completions;
}
 

/**
 * Return a list of online players this player can see, i.e. are not invisible
 * @param player
 * @return
 */
public static List<String> getOnlinePlayerList(Player player) {
    final List<String> returned = new ArrayList<String>();
    for (Player p : Bukkit.getServer().getOnlinePlayers()) {
        if (player == null || player.canSee(p)) {
            returned.add(p.getName());
        }
    }
    return returned;
}
 

public void doTheTP(Player player, Player partner)
{
	if(player.canSee(partner))
	{
		if(!blacklistedWorlds.contains(partner.getLocation().getWorld().getName().toLowerCase()) || player.hasPermission(Permissions.BYPASS_WORLD_BLACKLIST))
		{
			Location loc = partner.getLocation();
			if(safetyCheck && (loc = getSaveLoc(loc)) == null)
			{
				messageUnsafe.send(player);
				messageToUnsafe.send(partner);
			}
			else
			{
				player.teleport(loc);
				messageTeleport.send(player);
				messageTeleportTo.send(partner);
			}
		}
		else
		{
			messageWorldNotAllowed.send(player);
		}
	}
	else
	{
		messagePartnerVanished.send(player);
	}
}
 

/**
 * Applies the default state to the player
 * and discards the current one<br><br>
 * 
 * Warning: This deletes the entire inventory
 * and all other various player attributes
 * 
 * It is recommended to save the player state
 * with {@link PlayerStateHolder#create(Player, GameMode)}
 * and store a reference to it before invoking this method
 * 
 * @param player
 */
public static void applyDefaultState(Player player, boolean adventureMode) {
	player.setGameMode(adventureMode ? GameMode.ADVENTURE : GameMode.SURVIVAL);
	player.getInventory().clear();
	player.getInventory().setArmorContents(new ItemStack[4]);
	player.setItemOnCursor(null);
	player.updateInventory();
       player.setMaxHealth(20.0);
	player.setHealth(20.0);
	player.setFoodLevel(20);
	player.setLevel(0);
	player.setExp(0f);
	player.setAllowFlight(false);
	player.setFlying(false);
	player.setFallDistance(0);
	player.setFireTicks(0);
	
	Collection<PotionEffect> effects = player.getActivePotionEffects();
	for (PotionEffect effect : effects) {
		player.removePotionEffect(effect.getType());
	}
	
	for (Player onlinePlayer : Bukkit.getOnlinePlayers()) {
		if (player.canSee(player)) {
			continue;
		}
		
		player.showPlayer(onlinePlayer);
	}
}
 

@Subscribe
public void onPlayerLeaveGame(PlayerLeaveGameEvent event) {
	SpleefPlayer player = event.getPlayer();
	Player bukkitPlayer = player.getBukkitPlayer();
	
	FlagSpectate flag = (FlagSpectate) getParent();
	
	for (SpleefPlayer spectating : flag.getSpectators()) {
		if (bukkitPlayer.canSee(spectating.getBukkitPlayer())) {
			continue;
		}
		
		bukkitPlayer.showPlayer(spectating.getBukkitPlayer());
	}
}
 

public void updateState(Player player, boolean location, GameMode mode) {
	PlayerInventory inventory = player.getInventory();
       boolean is1_9 = MinecraftVersion.getImplementationVersion().compareTo(MinecraftVersion.V1_9) >= 0;
       boolean isSimpleSize = inventory.getContents().length <= SIMPLE_INVENTORY_SIZE;

       ItemStack[] contents = inventory.getContents();
       ItemStack[] inventoryArray = new ItemStack[is1_9 && !isSimpleSize ? inventory.getSize() : INVENTORY_SIZE];

       if (!is1_9 || isSimpleSize) {
           ItemStack[] armor = inventory.getArmorContents();
           System.arraycopy(contents, 0, inventoryArray, 0, contents.length);
           System.arraycopy(armor, 0, inventoryArray, inventoryArray.length - ARMOR_INVENTORY_SIZE, armor.length);
       } else {
           System.arraycopy(contents, 0, inventoryArray, 0, contents.length);
       }
	
	/* Initialize the state with the current player state */
	setInventory(inventoryArray);
	setOnCursor(player.getItemOnCursor());
	setGamemode(mode != null ? mode : player.getGameMode());
       setMaxHealth(player.getMaxHealth());
	setHealth(player.getHealth(), player.getMaxHealth());
	setFoodLevel(player.getFoodLevel());
	setLevel(player.getLevel());
	setExperience(player.getExp());
	setAllowFlight(player.getAllowFlight());
	setFlying(player.isFlying());
	setActiveEffects(player.getActivePotionEffects());
	setExhaustion(player.getExhaustion());
	setSaturation(player.getSaturation());
	setFallDistance(player.getFallDistance());
	setFireTicks(player.getFireTicks());
	
	if (location) {
		setLocation(player.getLocation());
	}
	
	setScoreboard(player.getScoreboard());
	setCompassTarget(player.getCompassTarget());
	
	List<WeakReference<Player>> cantSee = Lists.newArrayList();
	for (Player onlinePlayer : Bukkit.getOnlinePlayers()) {
		if (player.canSee(onlinePlayer)) {
			continue;
		}
		
		WeakReference<Player> ref = new WeakReference<Player>(onlinePlayer);
		cantSee.add(ref);
	}
	
	setCantSee(cantSee);
}