com.extrahardmode.task.FallingLogsTask.java Source code

Introduction

Here is the source code for com.extrahardmode.task.FallingLogsTask.java

Source

/*
 * This file is part of
 * ExtraHardMode Server Plugin for Minecraft
 *
 * Copyright (C) 2012 Ryan Hamshire
 * Copyright (C) 2013 Diemex
 *
 * ExtraHardMode is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ExtraHardMode is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Affero Public License
 * along with ExtraHardMode.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.extrahardmode.task;

import com.extrahardmode.ExtraHardMode;
import com.extrahardmode.module.BlockModule;
import org.apache.commons.lang.Validate;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;

import java.util.ArrayList;
import java.util.List;

/**
 * Gradually let's Logs which have been marked as loose fall down.
 */
public class FallingLogsTask implements Runnable {
    /**
     * Reference to the plugin using this class
     */
    private final ExtraHardMode plugin;

    /**
     * BlockModule to spawn FallingBlocks
     */
    private final BlockModule blockModule;

    /**
     * Block to apply physics to
     */
    private final Block block;

    /**
     * Constructor
     *
     * @param plugin reference to the plugin
     * @param block  to apply physics to
     */

    public FallingLogsTask(ExtraHardMode plugin, Block block) {
        Validate.notNull(block, "Block can't be null");
        Validate.notNull(plugin, "Plugin can't be null");

        this.block = block;
        this.plugin = plugin;
        blockModule = plugin.getModuleForClass(BlockModule.class);
    }

    @Override
    public void run() {
        if (block != null) {
            /* Prevent wooden structures near trees from being affected*/
            if (blockModule.getBlocksInArea(block.getLocation(), 2, 1, Material.LEAVES).length > 3) {
                //Clear the area below of leaves
                Block below = block;
                List<Block> looseLogs = new ArrayList<Block>();
                List<Block> tempBlocks = new ArrayList<Block>();
                looseLogs.add(block);
                checkBelow: for (int i = 0; below.getY() > 0; i++) {
                    below = below.getRelative(BlockFace.DOWN);
                    switch (below.getType()) {
                    case AIR: {
                        //go one down
                        //All blocks above this can fall now that there is an air block
                        looseLogs.addAll(tempBlocks);
                        tempBlocks.clear();
                        break;
                    }
                    case LEAVES: {
                        below.breakNaturally();
                        break;
                    }
                    case LOG: {
                        //Prevent Logs on adjacent sides (Jungle Tree) from turning to FallingBlocks and some of them turning into items
                        switch (below.getRelative(BlockFace.DOWN).getType()) {
                        case AIR:
                        case LEAVES:
                            tempBlocks.add(below);
                        }
                        break;
                    }
                    default: //we hit the block where the FallingBlock will land
                    {
                        if (blockModule.breaksFallingBlock(below.getType())) {
                            below.breakNaturally();
                        } else {
                            break checkBelow;
                        }
                    }
                    }
                }

                for (int i = 0; i < looseLogs.size(); i++) {
                    final Block looseLog = looseLogs.get(i);
                    plugin.getServer().getScheduler().runTaskLater(plugin, new Runnable() {
                        @Override
                        public void run() {
                            blockModule.applyPhysics(looseLog, true);
                        }
                    }, i /*delay to prevent FallingBlock collision*/);

                }
            }
        }
    }
}