cubicchunks.network.PacketCubeBlockChange.java Source code

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Here is the source code for cubicchunks.network.PacketCubeBlockChange.java

Source

/*
 *  This file is part of Cubic Chunks Mod, licensed under the MIT License (MIT).
 *
 *  Copyright (c) 2015 contributors
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
package cubicchunks.network;

import com.carrotsearch.hppc.IntHashSet;
import com.carrotsearch.hppc.IntSet;
import com.carrotsearch.hppc.cursors.IntCursor;

import gnu.trove.TShortCollection;

import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraftforge.fml.common.network.ByteBufUtils;
import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;

import cubicchunks.util.AddressTools;
import cubicchunks.util.CubePos;
import cubicchunks.world.cube.Cube;
import io.netty.buffer.ByteBuf;

import static net.minecraftforge.fml.common.network.ByteBufUtils.readVarInt;

public class PacketCubeBlockChange implements IMessage {

    public int[] heightValues;
    public CubePos cubePos;
    public short[] localAddresses;
    public IBlockState[] blockStates;

    public PacketCubeBlockChange() {
    }

    public PacketCubeBlockChange(Cube cube, TShortCollection localAddresses) {
        this.cubePos = cube.getCoords();
        this.localAddresses = localAddresses.toArray();
        this.blockStates = new IBlockState[localAddresses.size()];
        int i = localAddresses.size() - 1;
        IntSet xzAddresses = new IntHashSet();
        for (; i >= 0; i--) {
            int localAddress = this.localAddresses[i];
            int x = AddressTools.getLocalX(localAddress);
            int y = AddressTools.getLocalY(localAddress);
            int z = AddressTools.getLocalZ(localAddress);
            this.blockStates[i] = cube.getBlockState(x, y, z);
            xzAddresses.add(x | z << 4);
        }
        this.heightValues = new int[xzAddresses.size()];
        i = 0;
        for (IntCursor v : xzAddresses) {
            int height = cube.getColumn().getOpacityIndex().getTopBlockY(v.value & 0xF, v.value >> 4);
            v.value |= height << 8;
            heightValues[i] = v.value;
            i++;
        }
    }

    @SuppressWarnings("deprecation") // Forge thinks we are trying to register a block or something :P
    @Override
    public void fromBytes(ByteBuf in) {
        this.cubePos = new CubePos(in.readInt(), in.readInt(), in.readInt());
        short numBlocks = in.readShort();
        localAddresses = new short[numBlocks];
        blockStates = new IBlockState[numBlocks];

        for (int i = 0; i < numBlocks; i++) {
            localAddresses[i] = in.readShort();
            blockStates[i] = Block.BLOCK_STATE_IDS.getByValue(readVarInt(in, 4));
        }
        int numHmapChanges = in.readUnsignedByte();
        heightValues = new int[numHmapChanges];
        for (int i = 0; i < numHmapChanges; i++) {
            heightValues[i] = in.readInt();
        }
    }

    @SuppressWarnings("deprecation")
    @Override
    public void toBytes(ByteBuf out) {
        out.writeInt(cubePos.getX());
        out.writeInt(cubePos.getY());
        out.writeInt(cubePos.getZ());
        out.writeShort(localAddresses.length);
        for (int i = 0; i < localAddresses.length; i++) {
            out.writeShort(localAddresses[i]);
            ByteBufUtils.writeVarInt(out, Block.BLOCK_STATE_IDS.get(blockStates[i]), 4);
        }
        out.writeByte(heightValues.length);
        for (int v : heightValues) {
            out.writeInt(v);
        }
    }

    public static class Handler extends AbstractClientMessageHandler<PacketCubeBlockChange> {

        @Override
        public IMessage handleClientMessage(EntityPlayer player, PacketCubeBlockChange message,
                MessageContext ctx) {
            ClientHandler.getInstance().handle(message);
            return null;
        }
    }
}