Examples with ChunkSection net.minecraft.server.v1_15_R1.ChunkSection used on opensource projects

Example 36 with ChunkSection

use of net.minecraft.server.v1_15_R1.ChunkSection in project Movecraft by APDevTeam.

the class IWorldHandler method setBlockFast.

private void setBlockFast(@NotNull World world, @NotNull BlockPosition position, @NotNull IBlockData data) {
    Chunk chunk = world.getChunkAtWorldCoords(position);
    ChunkSection chunkSection = chunk.getSections()[position.getY() >> 4];
    if (chunkSection == null) {
        // Put a GLASS block to initialize the section. It will be replaced next with the real block.
        chunk.setType(position, Blocks.GLASS.getBlockData(), false);
        chunkSection = chunk.getSections()[position.getY() >> 4];
    }
    if (chunkSection.getType(position.getX() & 15, position.getY() & 15, position.getZ() & 15).equals(data)) {
        // Block is already of correct type and data, don't overwrite
        return;
    }
    chunkSection.setType(position.getX() & 15, position.getY() & 15, position.getZ() & 15, data);
    world.notify(position, data, data, 3);
    var engine = chunk.e();
    if (engine != null)
        engine.a(position);
    chunk.markDirty();
}

Example 37 with ChunkSection

use of net.minecraft.server.v1_15_R1.ChunkSection in project Movecraft by APDevTeam.

the class IWorldHandler method setBlockFast.

private void setBlockFast(@NotNull World world, @NotNull BlockPosition position, @NotNull IBlockData data) {
    Chunk chunk = world.getChunkAtWorldCoords(position);
    ChunkSection chunkSection = chunk.getSections()[position.getY() >> 4];
    if (chunkSection == null) {
        // Put a GLASS block to initialize the section. It will be replaced next with the real block.
        chunk.setType(position, Blocks.GLASS.getBlockData(), false);
        chunkSection = chunk.getSections()[position.getY() >> 4];
    }
    if (chunkSection.getType(position.getX() & 15, position.getY() & 15, position.getZ() & 15).equals(data)) {
        // Block is already of correct type and data, don't overwrite
        return;
    }
    chunkSection.setType(position.getX() & 15, position.getY() & 15, position.getZ() & 15, data);
    world.notify(position, data, data, 3);
    var engine = chunk.e();
    if (engine != null)
        engine.a(position);
    chunk.markDirty();
}

Example 38 with ChunkSection

use of net.minecraft.server.v1_15_R1.ChunkSection in project PaperDev by Kamillaova.

the class ChunkPacketBlockControllerAntiXray method obfuscate.

public void obfuscate(PacketPlayOutMapChunkInfoAntiXray packetPlayOutMapChunkInfoAntiXray) {
    boolean[] solidTemp = null;
    boolean[] obfuscateTemp = null;
    dataBitsReader.setDataBits(packetPlayOutMapChunkInfoAntiXray.getData());
    dataBitsWriter.setDataBits(packetPlayOutMapChunkInfoAntiXray.getData());
    int counter = 0;
    for (int chunkSectionIndex = 0; chunkSectionIndex <= maxChunkSectionIndex; chunkSectionIndex++) {
        if (packetPlayOutMapChunkInfoAntiXray.isWritten(chunkSectionIndex) && packetPlayOutMapChunkInfoAntiXray.getPredefinedBlockData(chunkSectionIndex) != null) {
            int[] predefinedBlockDataBitsTemp = packetPlayOutMapChunkInfoAntiXray.getDataPalette(chunkSectionIndex) instanceof DataPaletteGlobal ? engineMode == EngineMode.HIDE ? packetPlayOutMapChunkInfoAntiXray.getChunk().world.getWorld().getEnvironment() == Environment.NETHER ? predefinedBlockDataBitsNetherrackGlobal : packetPlayOutMapChunkInfoAntiXray.getChunk().world.getWorld().getEnvironment() == Environment.THE_END ? predefinedBlockDataBitsEndStoneGlobal : predefinedBlockDataBitsStoneGlobal : predefinedBlockDataBitsGlobal : predefinedBlockDataBits;
            dataBitsWriter.setIndex(packetPlayOutMapChunkInfoAntiXray.getDataBitsIndex(chunkSectionIndex));
            // Check if the chunk section below was not obfuscated
            if (chunkSectionIndex == 0 || !packetPlayOutMapChunkInfoAntiXray.isWritten(chunkSectionIndex - 1) || packetPlayOutMapChunkInfoAntiXray.getPredefinedBlockData(chunkSectionIndex - 1) == null) {
                // If so, initialize some stuff
                dataBitsReader.setBitsPerValue(packetPlayOutMapChunkInfoAntiXray.getBitsPerValue(chunkSectionIndex));
                dataBitsReader.setIndex(packetPlayOutMapChunkInfoAntiXray.getDataBitsIndex(chunkSectionIndex));
                solidTemp = readDataPalette(packetPlayOutMapChunkInfoAntiXray.getDataPalette(chunkSectionIndex), solid, solidGlobal);
                obfuscateTemp = readDataPalette(packetPlayOutMapChunkInfoAntiXray.getDataPalette(chunkSectionIndex), obfuscate, obfuscateGlobal);
                // Read the blocks of the upper layer of the chunk section below if it exists
                ChunkSection belowChunkSection = null;
                boolean skipFirstLayer = chunkSectionIndex == 0 || (belowChunkSection = packetPlayOutMapChunkInfoAntiXray.getChunk().getSections()[chunkSectionIndex - 1]) == Chunk.EMPTY_CHUNK_SECTION;
                for (int z = 0; z < 16; z++) {
                    for (int x = 0; x < 16; x++) {
                        current[z][x] = true;
                        next[z][x] = skipFirstLayer || !solidGlobal[Block.REGISTRY_ID.getId(belowChunkSection.getType(x, 15, z))];
                    }
                }
                // Abuse the obfuscateLayer method to read the blocks of the first layer of the current chunk section
                dataBitsWriter.setBitsPerValue(0);
                obfuscateLayer(-1, dataBitsReader, dataBitsWriter, solidTemp, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, emptyNearbyChunkSections, counter);
            }
            dataBitsWriter.setBitsPerValue(packetPlayOutMapChunkInfoAntiXray.getBitsPerValue(chunkSectionIndex));
            nearbyChunkSections[0] = packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[0] == null ? Chunk.EMPTY_CHUNK_SECTION : packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[0].getSections()[chunkSectionIndex];
            nearbyChunkSections[1] = packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[1] == null ? Chunk.EMPTY_CHUNK_SECTION : packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[1].getSections()[chunkSectionIndex];
            nearbyChunkSections[2] = packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[2] == null ? Chunk.EMPTY_CHUNK_SECTION : packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[2].getSections()[chunkSectionIndex];
            nearbyChunkSections[3] = packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[3] == null ? Chunk.EMPTY_CHUNK_SECTION : packetPlayOutMapChunkInfoAntiXray.getNearbyChunks()[3].getSections()[chunkSectionIndex];
            // Obfuscate all layers of the current chunk section except the upper one
            for (int y = 0; y < 15; y++) {
                boolean[][] temp = current;
                current = next;
                next = nextNext;
                nextNext = temp;
                counter = obfuscateLayer(y, dataBitsReader, dataBitsWriter, solidTemp, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, nearbyChunkSections, counter);
            }
            // Check if the chunk section above doesn't need obfuscation
            if (chunkSectionIndex == maxChunkSectionIndex || !packetPlayOutMapChunkInfoAntiXray.isWritten(chunkSectionIndex + 1) || packetPlayOutMapChunkInfoAntiXray.getPredefinedBlockData(chunkSectionIndex + 1) == null) {
                // If so, obfuscate the upper layer of the current chunk section by reading blocks of the first layer from the chunk section above if it exists
                ChunkSection aboveChunkSection;
                if (chunkSectionIndex != 15 && (aboveChunkSection = packetPlayOutMapChunkInfoAntiXray.getChunk().getSections()[chunkSectionIndex + 1]) != Chunk.EMPTY_CHUNK_SECTION) {
                    boolean[][] temp = current;
                    current = next;
                    next = nextNext;
                    nextNext = temp;
                    for (int z = 0; z < 16; z++) {
                        for (int x = 0; x < 16; x++) {
                            if (!solidGlobal[Block.REGISTRY_ID.getId(aboveChunkSection.getType(x, 0, z))]) {
                                current[z][x] = true;
                            }
                        }
                    }
                    // There is nothing to read anymore
                    dataBitsReader.setBitsPerValue(0);
                    solid[0] = true;
                    counter = obfuscateLayer(15, dataBitsReader, dataBitsWriter, solid, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, nearbyChunkSections, counter);
                }
            } else {
                // If not, initialize the reader and other stuff for the chunk section above to obfuscate the upper layer of the current chunk section
                dataBitsReader.setBitsPerValue(packetPlayOutMapChunkInfoAntiXray.getBitsPerValue(chunkSectionIndex + 1));
                dataBitsReader.setIndex(packetPlayOutMapChunkInfoAntiXray.getDataBitsIndex(chunkSectionIndex + 1));
                solidTemp = readDataPalette(packetPlayOutMapChunkInfoAntiXray.getDataPalette(chunkSectionIndex + 1), solid, solidGlobal);
                obfuscateTemp = readDataPalette(packetPlayOutMapChunkInfoAntiXray.getDataPalette(chunkSectionIndex + 1), obfuscate, obfuscateGlobal);
                boolean[][] temp = current;
                current = next;
                next = nextNext;
                nextNext = temp;
                counter = obfuscateLayer(15, dataBitsReader, dataBitsWriter, solidTemp, obfuscateTemp, predefinedBlockDataBitsTemp, current, next, nextNext, nearbyChunkSections, counter);
            }
            dataBitsWriter.finish();
        }
    }
    packetPlayOutMapChunkInfoAntiXray.getPacketPlayOutMapChunk().setReady(true);
}