001/* 002 * Trident - A Multithreaded Server Alternative 003 * Copyright 2014 The TridentSDK Team 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package net.tridentsdk.event.block; 019 020import com.google.common.collect.ImmutableList; 021import net.tridentsdk.base.Block; 022import net.tridentsdk.base.BlockDirection; 023 024import java.util.List; 025 026/** 027 * This event occurs when a piston becomes extended 028 * 029 * @author The TridentSDK Team 030 * @since 0.3-alpha-DP 031 */ 032public class PistonExtendEvent extends BlockPistonEvent { 033 private final ImmutableList<Block> blocksInfluenced; 034 private boolean cancelled; 035 036 public PistonExtendEvent(Block block, BlockDirection direction, List<Block> influenced) { 037 super(block, direction, false, influenced.get(0)); 038 039 this.blocksInfluenced = ImmutableList.copyOf(influenced); 040 } 041 042 @Override 043 public boolean isIgnored() { 044 return cancelled; 045 } 046 047 @Override 048 public void cancel(boolean cancelled) { 049 this.cancelled = cancelled; 050 } 051 052 /** 053 * Returns an ImmutableList of the blocks that are being pushed by this piston, may be empty 054 */ 055 public List<Block> blocksInfluenced() { 056 return this.blocksInfluenced; 057 } 058}