TFM-4.3-Reloaded/src/main/java/me/StevenLawson/TotalFreedomMod/commands/Command_dispfill.java

package me.StevenLawson.TotalFreedomMod.commands;

import java.util.ArrayList;
import java.util.List;
import me.StevenLawson.TotalFreedomMod.util.DeprecationUtil;
import me.StevenLawson.TotalFreedomMod.util.Utilities;
import org.apache.commons.lang3.StringUtils;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.Dispenser;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;

@CommandPermissions(level = AdminLevel.OP, source = SourceType.ONLY_IN_GAME)
public class Command_dispfill extends FreedomCommand {

	private static void setDispenserContents(final Block targetBlock, final ItemStack[] items) {
		if (targetBlock.getType() == Material.DISPENSER) {
			final Inventory dispenserInv = ((Dispenser) targetBlock.getState()).getInventory();
			dispenserInv.clear();
			dispenserInv.addItem(items);
		}
	}

	@Override
	public boolean run(CommandSender sender, org.bukkit.entity.Player sender_p, Command cmd,
		String commandLabel, String[] args, boolean senderIsConsole) {
		if (args.length == 2) {
			int radius;

			try {
				radius = Math.max(5, Math.min(25, Integer.parseInt(args[0])));
			} catch (NumberFormatException ex) {
				sender.sendMessage("Invalid radius.");
				return true;
			}

			final List<ItemStack> items = new ArrayList<ItemStack>();

			final String[] itemsRaw = StringUtils.split(args[1], ",");
			for (final String searchItem : itemsRaw) {
				Material material = Material.matchMaterial(searchItem);
				if (material == null) {
					try {
						material = DeprecationUtil.getMaterial(Integer.parseInt(searchItem));
					} catch (NumberFormatException ex) {
					}
				}

				if (material != null) {
					items.add(new ItemStack(material, 64));
				} else {
					sender.sendMessage("Skipping invalid item: " + searchItem);
				}
			}

			final ItemStack[] itemsArray = items.toArray(new ItemStack[items.size()]);

			int affected = 0;
			final Location centerLocation = sender_p.getLocation();
			final Block centerBlock = centerLocation.getBlock();
			for (int xOffset = -radius; xOffset <= radius; xOffset++) {
				for (int yOffset = -radius; yOffset <= radius; yOffset++) {
					for (int zOffset = -radius; zOffset <= radius; zOffset++) {
						final Block targetBlock = centerBlock.getRelative(xOffset, yOffset,
							zOffset);
						if (targetBlock.getLocation().distanceSquared(centerLocation) < (radius
							* radius)) {
							if (targetBlock.getType().equals(Material.DISPENSER)) {
								sender.sendMessage(
									"Filling dispenser @ " + Utilities.formatLocation(
										targetBlock.getLocation()));
								setDispenserContents(targetBlock, itemsArray);
								affected++;
							}
						}
					}
				}
			}

			sender.sendMessage("Done. " + affected + " dispenser(s) filled.");
		} else {
			return false;
		}

		return true;
	}
}