Method addObject

src/main/java/net/minecraft/entity/DataWatcher.java:40–64

(int id, T object)

    }

    public <T> void addObject(int id, T object)
    {
        Integer integer = dataTypes.get(object.getClass());

        if (integer == null)
        {
            throw new IllegalArgumentException("Unknown data type: " + object.getClass());
        }
        else if (id > 31)
        {
            throw new IllegalArgumentException("Data value id is too big with " + id + "! (Max is " + 31 + ")");
        }
        else if (this.watchedObjects.containsKey(id))
        {
            throw new IllegalArgumentException("Duplicate id value for " + id + "!");
        }
        else
        {
            DataWatcher.WatchableObject datawatcher$watchableobject = new DataWatcher.WatchableObject(integer, id, object);
            this.lock.writeLock().lock();
            this.watchedObjects.put(id, datawatcher$watchableobject);
            this.lock.writeLock().unlock();
            this.isBlank = false;
        }
    }

    /**
     * Add a new object for the DataWatcher to watch, using the specified data type.