Examples with ChunkSectionImpl com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionImpl used on opensource projects

Example 1 with ChunkSectionImpl

use of com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionImpl in project ViaVersion by ViaVersion.

the class ChunkSectionType1_13 method read.

@Override
public ChunkSection read(ByteBuf buffer) throws Exception {
    // Reaad bits per block
    int bitsPerBlock = buffer.readUnsignedByte();
    int originalBitsPerBlock = bitsPerBlock;
    if (bitsPerBlock == 0 || bitsPerBlock > 8) {
        bitsPerBlock = GLOBAL_PALETTE;
    }
    // Read palette
    ChunkSection chunkSection;
    if (bitsPerBlock != GLOBAL_PALETTE) {
        int paletteLength = Type.VAR_INT.readPrimitive(buffer);
        chunkSection = new ChunkSectionImpl(true, paletteLength);
        for (int i = 0; i < paletteLength; i++) {
            chunkSection.addPaletteEntry(Type.VAR_INT.readPrimitive(buffer));
        }
    } else {
        chunkSection = new ChunkSectionImpl(true);
    }
    // Read blocks
    long[] blockData = new long[Type.VAR_INT.readPrimitive(buffer)];
    if (blockData.length > 0) {
        int expectedLength = (int) Math.ceil(ChunkSection.SIZE * bitsPerBlock / 64.0);
        if (blockData.length != expectedLength) {
            throw new IllegalStateException("Block data length (" + blockData.length + ") does not match expected length (" + expectedLength + ")! bitsPerBlock=" + bitsPerBlock + ", originalBitsPerBlock=" + originalBitsPerBlock);
        }
        for (int i = 0; i < blockData.length; i++) {
            blockData[i] = buffer.readLong();
        }
        CompactArrayUtil.iterateCompactArray(bitsPerBlock, ChunkSection.SIZE, blockData, bitsPerBlock == GLOBAL_PALETTE ? chunkSection::setFlatBlock : chunkSection::setPaletteIndex);
    }
    return chunkSection;
}

Example 2 with ChunkSectionImpl

use of com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionImpl in project ViaVersion by ViaVersion.

the class ChunkSectionType1_16 method read.

@Override
public ChunkSection read(ByteBuf buffer) throws Exception {
    // Reaad bits per block
    int bitsPerBlock = buffer.readUnsignedByte();
    int originalBitsPerBlock = bitsPerBlock;
    if (bitsPerBlock == 0 || bitsPerBlock > 8) {
        bitsPerBlock = GLOBAL_PALETTE;
    }
    // Read palette
    ChunkSection chunkSection;
    if (bitsPerBlock != GLOBAL_PALETTE) {
        int paletteLength = Type.VAR_INT.readPrimitive(buffer);
        chunkSection = new ChunkSectionImpl(false, paletteLength);
        for (int i = 0; i < paletteLength; i++) {
            chunkSection.addPaletteEntry(Type.VAR_INT.readPrimitive(buffer));
        }
    } else {
        chunkSection = new ChunkSectionImpl(false);
    }
    // Read blocks
    long[] blockData = new long[Type.VAR_INT.readPrimitive(buffer)];
    if (blockData.length > 0) {
        char valuesPerLong = (char) (64 / bitsPerBlock);
        int expectedLength = (ChunkSection.SIZE + valuesPerLong - 1) / valuesPerLong;
        if (blockData.length != expectedLength) {
            throw new IllegalStateException("Block data length (" + blockData.length + ") does not match expected length (" + expectedLength + ")! bitsPerBlock=" + bitsPerBlock + ", originalBitsPerBlock=" + originalBitsPerBlock);
        }
        for (int i = 0; i < blockData.length; i++) {
            blockData[i] = buffer.readLong();
        }
        CompactArrayUtil.iterateCompactArrayWithPadding(bitsPerBlock, ChunkSection.SIZE, blockData, bitsPerBlock == GLOBAL_PALETTE ? chunkSection::setFlatBlock : chunkSection::setPaletteIndex);
    }
    return chunkSection;
}

Example 3 with ChunkSectionImpl

use of com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionImpl in project ViaVersion by ViaVersion.

the class ChunkSectionType1_8 method read.

@Override
public ChunkSection read(ByteBuf buffer) throws Exception {
    ChunkSection chunkSection = new ChunkSectionImpl(true);
    // 0 index needs to be air in 1.9
    chunkSection.addPaletteEntry(0);
    ByteBuf littleEndianView = buffer.order(ByteOrder.LITTLE_ENDIAN);
    for (int i = 0; i < ChunkSection.SIZE; i++) {
        int mask = littleEndianView.readShort();
        int type = mask >> 4;
        int data = mask & 0xF;
        chunkSection.setBlockWithData(i, type, data);
    }
    return chunkSection;
}

Example 4 with ChunkSectionImpl

use of com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionImpl in project ViaVersion by ViaVersion.

the class ChunkSectionType1_18 method read.

@Override
public ChunkSection read(final ByteBuf buffer) throws Exception {
    final ChunkSection chunkSection = new ChunkSectionImpl();
    chunkSection.setNonAirBlocksCount(buffer.readShort());
    chunkSection.addPalette(PaletteType.BLOCKS, blockPaletteType.read(buffer));
    chunkSection.addPalette(PaletteType.BIOMES, biomePaletteType.read(buffer));
    return chunkSection;
}

Example 5 with ChunkSectionImpl

use of com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionImpl in project ViaVersion by ViaVersion.

the class ChunkSectionType1_9 method read.

@Override
public ChunkSection read(ByteBuf buffer) throws Exception {
    // Reaad bits per block
    int bitsPerBlock = buffer.readUnsignedByte();
    int originalBitsPerBlock = bitsPerBlock;
    if (bitsPerBlock == 0) {
        bitsPerBlock = GLOBAL_PALETTE;
    }
    if (bitsPerBlock < 4) {
        bitsPerBlock = 4;
    }
    if (bitsPerBlock > 8) {
        bitsPerBlock = GLOBAL_PALETTE;
    }
    // Read palette
    int paletteLength = Type.VAR_INT.readPrimitive(buffer);
    ChunkSection chunkSection = bitsPerBlock != GLOBAL_PALETTE ? new ChunkSectionImpl(true, paletteLength) : new ChunkSectionImpl(true);
    for (int i = 0; i < paletteLength; i++) {
        if (bitsPerBlock != GLOBAL_PALETTE) {
            chunkSection.addPaletteEntry(Type.VAR_INT.readPrimitive(buffer));
        } else {
            Type.VAR_INT.readPrimitive(buffer);
        }
    }
    // Read blocks
    long[] blockData = new long[Type.VAR_INT.readPrimitive(buffer)];
    if (blockData.length > 0) {
        int expectedLength = (int) Math.ceil(ChunkSection.SIZE * bitsPerBlock / 64.0);
        if (blockData.length != expectedLength) {
            throw new IllegalStateException("Block data length (" + blockData.length + ") does not match expected length (" + expectedLength + ")! bitsPerBlock=" + bitsPerBlock + ", originalBitsPerBlock=" + originalBitsPerBlock);
        }
        for (int i = 0; i < blockData.length; i++) {
            blockData[i] = buffer.readLong();
        }
        CompactArrayUtil.iterateCompactArray(bitsPerBlock, ChunkSection.SIZE, blockData, bitsPerBlock == GLOBAL_PALETTE ? chunkSection::setFlatBlock : chunkSection::setPaletteIndex);
    }
    return chunkSection;
}