ViaVersion/common/src/main/java/us/myles/ViaVersion/api/type/types/version/ChunkSectionType1_8.java

package us.myles.ViaVersion.api.type.types.version;

import io.netty.buffer.ByteBuf;
import sun.reflect.generics.reflectiveObjects.NotImplementedException;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.type.Type;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.ShortBuffer;
import java.util.List;

public class ChunkSectionType1_8 extends Type<ChunkSection> {

	public ChunkSectionType1_8() {
		super("Chunk Section Type", ChunkSection.class);
	}

	@Override
	public ChunkSection read(ByteBuf buffer) throws Exception {
		ChunkSection chunkSection = new ChunkSection();
		List<Integer> palette = chunkSection.getPalette();
		palette.clear();

		byte[] blockData = new byte[ChunkSection.SIZE * 2];
		buffer.readBytes(blockData);
		ShortBuffer blockBuf = ByteBuffer.wrap(blockData).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer();

		for (int i = 0; i < ChunkSection.SIZE; i++) {
			int mask = blockBuf.get();
			int type = mask >> 4;
			int data = mask & 0xF;
			chunkSection.setBlock(i, type, data);
		}

		return chunkSection;
	}

	@Override
	public void write(ByteBuf buffer, ChunkSection chunkSection) throws Exception {
		throw new NotImplementedException();
	}
}