Examples with SectionPosition net.minecraft.server.v1_16_R3.SectionPosition used on opensource projects

Example 1 with SectionPosition

use of net.minecraft.server.v1_16_R3.SectionPosition in project THP-Engine by TheHollowPlanetMC.

the class PacketManager method createMultiBlockChangePacket.

public static Set<Object> createMultiBlockChangePacket(ParallelWorld parallelWorld, Set<BlockPosition3i> blocks) {
    Map<BlockPosition3i, Set<BlockPosition3i>> chunkMap = new HashMap<>();
    for (BlockPosition3i bp : blocks) {
        chunkMap.computeIfAbsent(new BlockPosition3i(bp.getX() >> 4, bp.getY() >> 4, bp.getZ() >> 4), cp -> new HashSet<>()).add(bp);
    }
    Set<Object> packets = new HashSet<>();
    for (Map.Entry<BlockPosition3i, Set<BlockPosition3i>> entry : chunkMap.entrySet()) {
        BlockPosition3i sectionPosition = entry.getKey();
        Set<BlockPosition3i> bps = entry.getValue();
        ParallelChunk parallelChunk = parallelWorld.getChunk(sectionPosition.getX(), sectionPosition.getZ());
        if (parallelChunk == null)
            continue;
        SectionTypeArray sectionTypeArray = parallelChunk.getSectionTypeArray(sectionPosition.getY());
        if (sectionTypeArray == null)
            continue;
        List<Short> coordList = new ArrayList<>();
        List<IBlockData> dataList = new ArrayList<>();
        for (BlockPosition3i bp : bps) {
            IBlockData iBlockData = (IBlockData) sectionTypeArray.getType(bp.getX() & 0xF, bp.getY() & 0xF, bp.getZ() & 0xF);
            if (iBlockData == null)
                continue;
            coordList.add((short) ((bp.getX() & 0xF) << 8 | (bp.getZ() & 0xF) << 4 | bp.getY() & 0xF));
            dataList.add(iBlockData);
        }
        short[] coordArray = new short[coordList.size()];
        IBlockData[] dataArray = new IBlockData[dataList.size()];
        for (int i = 0; i < coordList.size(); i++) {
            coordArray[i] = coordList.get(i);
            dataArray[i] = dataList.get(i);
        }
        try {
            PacketPlayOutMultiBlockChange packet = new PacketPlayOutMultiBlockChange();
            MultiBlockChangePacketHandler.a.set(packet, SectionPosition.a(sectionPosition.getX(), sectionPosition.getY(), sectionPosition.getZ()));
            MultiBlockChangePacketHandler.b.set(packet, coordArray);
            MultiBlockChangePacketHandler.c.set(packet, dataArray);
            MultiBlockChangePacketHandler.d.setBoolean(packet, true);
            packets.add(packet);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return packets;
}

Example 2 with SectionPosition

use of net.minecraft.server.v1_16_R3.SectionPosition in project THP-Engine by TheHollowPlanetMC.

the class MultiBlockChangePacketHandler method rewrite.

@Override
public Object rewrite(Object packet, EnginePlayer EnginePlayer, boolean cacheSetting) {
    ParallelUniverse universe = EnginePlayer.getUniverse();
    if (universe == null)
        return packet;
    String worldName = EnginePlayer.getBukkitPlayer().getWorld().getName();
    ParallelWorld parallelWorld = universe.getWorld(worldName);
    try {
        SectionPosition aValue = (SectionPosition) a.get(packet);
        int chunkX = aValue.getX();
        int chunkZ = aValue.getZ();
        ParallelChunk parallelChunk = parallelWorld.getChunk(chunkX, chunkZ);
        if (parallelChunk == null)
            return packet;
        SectionTypeArray sectionTypeArray = parallelChunk.getSectionTypeArray(aValue.getY());
        if (sectionTypeArray == null)
            return packet;
        short[] bValue = (short[]) b.get(packet);
        IBlockData[] cValueClone = ((IBlockData[]) c.get(packet)).clone();
        for (int i = 0; i < bValue.length; i++) {
            short coord = bValue[i];
            int x = coord >> 8;
            int y = coord & 0xF;
            int z = (coord >> 4) & 0xF;
            IBlockData iBlockData = (IBlockData) sectionTypeArray.getType(x, y, z);
            if (iBlockData != null) {
                cValueClone[i] = iBlockData;
            }
        }
        boolean dValue = d.getBoolean(packet);
        PacketPlayOutMultiBlockChange newPacket = new PacketPlayOutMultiBlockChange();
        a.set(newPacket, aValue);
        b.set(newPacket, bValue);
        c.set(newPacket, cValueClone);
        d.set(newPacket, dValue);
        return newPacket;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return packet;
}