/*
* 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.spoutapi.packet;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.zip.DataFormatException;
import java.util.zip.Deflater;
import java.util.zip.Inflater;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.getspout.spoutapi.SpoutManager;
import org.getspout.spoutapi.block.SpoutChunk;
import org.getspout.spoutapi.io.SpoutInputStream;
import org.getspout.spoutapi.io.SpoutOutputStream;
import org.getspout.spoutapi.player.SpoutPlayer;
import org.bukkit.Chunk;
import org.bukkit.craftbukkit.v1_6_R3.CraftWorld;
public class PacketCustomBlockChunkOverride implements CompressiblePacket {
private int chunkX;
private int chunkZ;
private boolean hasData = false;
private byte[] data;
private boolean compressed = false;
public PacketCustomBlockChunkOverride() {
}
public PacketCustomBlockChunkOverride(short[] customIds, byte[] customData, int x, int z) {
chunkX = x;
chunkZ = z;
if (customIds != null) {
ByteBuffer buffer = ByteBuffer.allocate(customIds.length * 3);
for (int i = 0; i < customIds.length; i++) {
buffer.putShort(customIds[i]);
buffer.put(customData == null ? 0 : customData[i]);
}
data = buffer.array();
hasData = true;
}
}
@Override
public void readData(SpoutInputStream input) throws IOException {
chunkX = input.readInt();
chunkZ = input.readInt();
hasData = input.readBoolean();
if (hasData) {
int size = input.readInt();
data = new byte[size];
input.read(data);
}
}
@Override
public void writeData(SpoutOutputStream output) throws IOException {
output.writeInt(chunkX);
output.writeInt(chunkZ);
output.writeBoolean(hasData);
if (hasData) {
output.writeInt(data.length);
output.write(data);
}
}
@Override
public void run(int playerId) {
SpoutPlayer player = SpoutManager.getPlayerFromId(playerId);
if (player != null) {
CraftWorld cw = ((CraftWorld)player.getWorld());
if (cw.getHandle().chunkProviderServer.unloadQueue.contains(chunkX, chunkZ)) {
return;
}
if (!cw.getHandle().chunkProviderServer.isChunkLoaded(chunkX, chunkZ)) {
return;
}
Chunk c = player.getWorld().getChunkAt(chunkX, chunkZ);
if (c instanceof SpoutChunk) {
SpoutChunk chunk = (SpoutChunk)c;
player.sendPacket(new PacketCustomBlockChunkOverride(chunk.getCustomBlockIds(), chunk.getCustomBlockData(), chunkX, chunkZ));
}
}
}
@Override
public void failure(int playerId) {
}
@Override
public PacketType getPacketType() {
return PacketType.PacketCustomBlockChunkOverride;
}
@Override
public int getVersion() {
return 2;
}
@Override
public void compress() {
if (!compressed) {
if (data != null && hasData) {
Deflater deflater = new Deflater();
deflater.setInput(data);
deflater.setLevel(Deflater.BEST_COMPRESSION);
deflater.finish();
ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length);
byte[] buffer = new byte[1024];
while (!deflater.finished()) {
int bytesCompressed = deflater.deflate(buffer);
bos.write(buffer, 0, bytesCompressed);
}
try {
bos.close();
} catch (IOException e) {
e.printStackTrace();
}
data = bos.toByteArray();
}
compressed = true;
}
}
@Override
public void decompress() {
if (compressed && hasData) {
Inflater decompressor = new Inflater();
decompressor.setInput(data);
ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length);
byte[] buf = new byte[1024];
while (!decompressor.finished()) {
try {
int count = decompressor.inflate(buf);
bos.write(buf, 0, count);
} catch (DataFormatException e) {
}
}
try {
bos.close();
} catch (IOException e) {
}
data = bos.toByteArray();
}
}
@Override
public boolean isCompressed() {
return compressed;
}
}