CraftCustomMaterial.java

/*
 * This file is part of SpoutcraftPlugin.
 *
 * Copyright (c) 2011 SpoutcraftDev <http://spoutcraft.org//>
 * SpoutcraftPlugin is licensed under the GNU Lesser General Public License.
 *
 * SpoutcraftPlugin is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SpoutcraftPlugin 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.getspout.spout.block;

import java.util.HashMap;

public class CraftCustomMaterial {
	private final static CraftCustomMaterial[][] cache;
	private final static String[] nameCache;
	private final static HashMap<String, Integer> nameLookup = new HashMap<String, Integer>();

	static {
		cache = new CraftCustomMaterial[65536][];
		nameCache = new String[65536];
	}

	private final String name;
	private final int blockId;
	private final int metaData;

	private CraftCustomMaterial(int blockId, int metaData, String name) {
		this.blockId = blockId;
		this.metaData = metaData;
		this.name = name;
	}

	public static boolean registerMaterial(int blockId, int metaDataSize, String name) {
		if (cache[blockId] != null) {
			return false;
		} else if (blockId < 1024 || blockId > 65536 || metaDataSize > 256 || metaDataSize < 0) {
			throw new IllegalArgumentException("[SpoutPlugin] Illegal parameters for custom material registration");
		}

		cache[blockId] = new CraftCustomMaterial[metaDataSize];
		nameCache[blockId] = name;
		nameLookup.put(name, blockId);

		return true;
	}

	public static CraftCustomMaterial getMaterial(int blockId, int metaData) {
		CraftCustomMaterial[] materialType = cache[blockId];

		if (materialType == null) {
			return null;
		}

		CraftCustomMaterial material = materialType[metaData];

		if (material == null) {
			material = new CraftCustomMaterial(blockId, metaData, nameCache[blockId]);
			materialType[metaData] = material;
		}

		return material;
	}

	public static CraftCustomMaterial getMaterial(String name, int metaData) {
		Integer blockId = nameLookup.get(name);
		if (blockId == null) {
			return null;
		}
		return getMaterial(blockId, metaData);
	}

	public String getName() {
		return name;
	}

	public int getTypeId() {
		return blockId;
	}

	public int getData() {
		return metaData;
	}
}