gravelbreaaak3.java

package com.amaiaindustries.gravelbreak;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.logging.Logger;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityChangeBlockEvent;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.util.BoundingBox;

public class GravelBreak extends JavaPlugin implements Listener {
	ArrayList<Material> torches = new ArrayList<Material>(
			Arrays.asList(Material.TORCH, Material.WALL_TORCH, Material.REDSTONE_TORCH, Material.REDSTONE_WALL_TORCH));
	ArrayList<Block> blocks = new ArrayList<Block>();
	Logger logger;

	public void onEnable() {
		getServer().getPluginManager().registerEvents(this, this);
		logger = Logger.getLogger("Minecraft");
		sendToConsole("GRAVELBREAAAAAK STARTING UP!");
	}

	@EventHandler
	public void checkForFallingGravel(EntityChangeBlockEvent e) {
		World world = e.getBlock().getWorld();
		Entity fallingBlock = e.getEntity();
		Block block = e.getBlock();
		Location breakLoc = new Location(world, 0.0, 0, 0.0);
		if (fallingBlock.getType() != EntityType.FALLING_BLOCK) {
			// we don't care! SKIP!
			return;
		}

		if (block.getType() != Material.GRAVEL) {
			// we don't care...skip!
			return;
		}

		if (isTorchBeneath(world, fallingBlock.getLocation())) {
			sendToConsole("isTorchBeneath returned true.  Moving on.");
			breakLoc = findTorchLocation(world, fallingBlock.getLocation());
		} else {
			sendToChat("No Torch Found, Returning!");
			return;
		}

		int runs = 0;
		breakLoc = new Location(world, breakLoc.getX(), breakLoc.getBlockY(), breakLoc.getZ());
		sendToConsole("setting Bounding Box at: " + breakLoc.toVector());
		BoundingBox bb = world.getBlockAt(breakLoc).getBoundingBox();
		// We know we can't iterate over more than the world height, so we'll take the
		// minor performance hit.
		while (runs < world.getMaxHeight()) {
			Collection<Entity> fblist = world.getNearbyEntities(breakLoc, 1, 1, 1);
			if (fblist.isEmpty()) {
				sendToConsole("No Entities Found in bounding Box.  Returning");
				return;
			}
			for (Entity ent : fblist) {
				sendToChat(ent.getUniqueId().toString());
				sendToChat("Ent Valid? " + ent.isValid());
				if (ent.isValid() ) {
					if (ent.getLocation().getBlockY() == breakLoc.getBlockY() + 1) {
						ent.remove();
					}
				} else {
					return;
				}

			}
			runs++;
		}

	}

	private boolean isTorchBeneath(World w, Location loc) {
		Location scanLoc = new Location(w, loc.getX(), loc.getBlockY(), loc.getZ());
		do {
			// decrement scanLoc's Y value at the start of every run
			scanLoc.setY(scanLoc.getY() - 1);
			sendToConsole("Scanning Block: " + scanLoc.toVector() + " For Torches");
			Material scanType = scanLoc.getBlock().getType();
			if (scanType == Material.AIR) {
				// don't care, skip
				continue;
			} else if (scanType == Material.TORCH) {
				sendToConsole("Torch Found At: " + scanLoc.toVector());
				return true;
			} else
				sendToConsole("No Torch Found");
			return false;
		} while (scanLoc.getY() > 0);
		return false;
	}

	// THIS IS MAGIC TO CLEAN UP MY CODE! NEVER EVER EVER CALL THIS WITHOUT CALLING
	// isTorchBeneath() BEFORE HAND!!!
	private Location findTorchLocation(World w, Location loc) {
		sendToConsole("Entered into Find Torch Location");
		Location scanLoc = new Location(w, loc.getX(), loc.getBlockY(), loc.getZ());
		Material scanType = w.getBlockAt(scanLoc).getType();
		do {
			// decrement scanLoc's Y value at the start of every run.
			scanLoc.setY(scanLoc.getY() - 1);
			scanType = scanLoc.getBlock().getType();
		}
		// we only care about finding Torches, and this should never run, if
		// isTorchBeneath has not been run.
		while (scanType != Material.TORCH);

		Location retLoc = new Location(w, scanLoc.getX(), scanLoc.getBlockY(), scanLoc.getZ());
		sendToConsole("Sending Location: " + retLoc.toVector() + " As a Torch!");
		return retLoc;
	}

	private void sendToChat(String message) {
		Bukkit.broadcastMessage(message);
	}

	private void sendToConsole(String message) {
		Bukkit.getConsoleSender().sendMessage(message);
	}
}