mirror of
https://github.com/ViaVersion/ViaVersion.git
synced 2024-08-20 03:32:51 +02:00
fix merge issues
This commit is contained in:
Gerrygames
parent
928cd9de94
commit
28bb60244f
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@ -2,6 +2,8 @@ package us.myles.ViaVersion.api.minecraft.chunks;
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import com.google.common.collect.Lists;
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import io.netty.buffer.ByteBuf;
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import lombok.Getter;
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import lombok.Setter;
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import java.util.List;
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@ -14,10 +16,14 @@ public class ChunkSection {
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* Length of the sky and block light nibble arrays.
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*/
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public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
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private final List<Integer> palette = Lists.newArrayList();
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@Getter
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private final List<Integer> palette = Lists.newArrayList();
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private final int[] blocks;
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private NibbleArray blockLight;
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private NibbleArray skyLight;
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@Getter
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@Setter
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private int nonAirBlocksCount;
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public ChunkSection() {
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this.blocks = new int[SIZE];
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@ -162,10 +168,6 @@ public class ChunkSection {
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output.writeBytes(skyLight.getHandle());
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}
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public List<Integer> getPalette() {
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return palette;
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}
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/**
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* Check if sky light is present
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*
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@ -178,12 +180,4 @@ public class ChunkSection {
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public boolean hasBlockLight() {
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return blockLight != null;
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}
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public int getNonAirBlocksCount() {
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return this.nonAirBlocksCount;
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}
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public void setNonAirBlocksCount(int nonAirBlocksCount) {
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this.nonAirBlocksCount = nonAirBlocksCount;
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}
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}
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@ -1,316 +0,0 @@
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package us.myles.ViaVersion.protocols.protocol1_13to1_12_2.chunks;
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import com.google.common.collect.Lists;
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import io.netty.buffer.ByteBuf;
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import lombok.Getter;
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import lombok.Setter;
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import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
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import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
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import us.myles.ViaVersion.api.type.Type;
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import java.util.List;
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public class ChunkSection1_13 implements ChunkSection {
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@Getter
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@Setter
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private int nonAirBlocksCount;
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/**
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* Size (dimensions) of blocks in a chunks section.
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*/
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public static final int SIZE = 16 * 16 * 16; // width * depth * height
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/**
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* Length of the sky and block light nibble arrays.
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*/
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public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
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/**
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* Length of the block data array.
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*/
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private final List<Integer> palette = Lists.newArrayList();
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private final int[] blocks;
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private final NibbleArray blockLight;
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private NibbleArray skyLight;
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public ChunkSection1_13() {
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this.blocks = new int[SIZE];
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this.blockLight = new NibbleArray(SIZE);
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palette.add(0); // AIR
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}
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public void setBlock(int x, int y, int z, int type, int data) {
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setBlock(index(x, y, z), type, data);
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}
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@Override
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public void setFlatBlock(int x, int y, int z, int type) {
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int index = palette.indexOf(type);
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if (index == -1) {
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index = palette.size();
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palette.add(type);
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}
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blocks[index(x, y, z)] = index;
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}
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public int getBlockId(int x, int y, int z) {
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return getBlock(x, y, z) >> 4;
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}
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public int getBlock(int x, int y, int z) {
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int index = blocks[index(x, y, z)];
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return palette.get(index);
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}
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/**
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* Set a block in the chunks based on the index
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*
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* @param idx Index
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* @param type The type of the block
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* @param data The data value of the block
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*/
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public void setBlock(int idx, int type, int data) {
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int hash = type << 4 | (data & 0xF);
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int index = palette.indexOf(hash);
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if (index == -1) {
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index = palette.size();
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palette.add(hash);
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}
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blocks[idx] = index;
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}
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/**
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* Set the block light array
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*
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* @param data The value to set the block light to
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*/
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public void setBlockLight(byte[] data) {
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blockLight.setHandle(data);
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}
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/**
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* Set the sky light array
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*
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* @param data The value to set the sky light to
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*/
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public void setSkyLight(byte[] data) {
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if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
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this.skyLight = new NibbleArray(data);
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}
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private int index(int x, int y, int z) {
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return y << 8 | z << 4 | x;
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}
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/**
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* Read blocks from input stream.
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* This reads all the block related data:
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* <ul>
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* <li>Block length/palette type</li>
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* <li>Palette</li>
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* <li>Block hashes/palette reference</li>
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* </ul>
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*
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* @param input The buffer to read from.
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* @throws Exception If it fails to read
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*/
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public void readBlocks(ByteBuf input) throws Exception {
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palette.clear();
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// Read bits per block
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int bitsPerBlock = input.readUnsignedByte();
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long maxEntryValue = (1L << bitsPerBlock) - 1;
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boolean directPalette = false;
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if (bitsPerBlock == 0) {
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bitsPerBlock = 14;
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}
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if (bitsPerBlock < 4) {
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bitsPerBlock = 4;
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}
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if (bitsPerBlock >= 9) {
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directPalette = true;
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bitsPerBlock = 14;
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}
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int paletteLength = directPalette ? 0 : Type.VAR_INT.read(input);
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// Read palette
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for (int i = 0; i < paletteLength; i++) {
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palette.add(Type.VAR_INT.read(input));
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}
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// Read blocks
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// Long[] blockData = Type.LONG_ARRAY.read(input);
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long[] blockData = new long[Type.VAR_INT.read(input)];
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for (int i = 0; i < blockData.length; i++) {
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blockData[i] = input.readLong();
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}
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if (blockData.length > 0) {
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for (int i = 0; i < blocks.length; i++) {
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int bitIndex = i * bitsPerBlock;
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int startIndex = bitIndex >> 6; // /64
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int endIndex = ((i + 1) * bitsPerBlock - 1) >> 6; // /64
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int startBitSubIndex = bitIndex & 0x3F; // % 64
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int val;
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if (startIndex == endIndex) {
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val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
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} else {
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int endBitSubIndex = 64 - startBitSubIndex;
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val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
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}
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if (directPalette) {
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int type = val >> 4;
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int data = val & 0xF;
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setBlock(i, type, data);
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} else {
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blocks[i] = val;
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}
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}
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}
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}
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/**
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* Read block light from buffer.
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*
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* @param input The buffer to read from
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*/
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public void readBlockLight(ByteBuf input) {
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byte[] handle = new byte[LIGHT_LENGTH];
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input.readBytes(handle);
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blockLight.setHandle(handle);
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}
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/**
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* Read sky light from buffer.
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* Note: Only sent in overworld!
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*
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* @param input The buffer to read from
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*/
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public void readSkyLight(ByteBuf input) {
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byte[] handle = new byte[LIGHT_LENGTH];
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input.readBytes(handle);
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if (skyLight != null) {
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skyLight.setHandle(handle);
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return;
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}
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this.skyLight = new NibbleArray(handle);
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}
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public void writeBlocks(ByteBuf output) throws Exception {
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// Write bits per block
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int bitsPerBlock = 4;
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while (palette.size() > 1 << bitsPerBlock) {
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bitsPerBlock += 1;
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}
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long maxEntryValue = (1L << bitsPerBlock) - 1;
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output.writeByte(bitsPerBlock);
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// Write pallet (or not)
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Type.VAR_INT.write(output, palette.size());
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for (int mappedId : palette) {
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Type.VAR_INT.write(output, mappedId);
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}
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int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
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Type.VAR_INT.write(output, length);
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long[] data = new long[length];
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for (int index = 0; index < blocks.length; index++) {
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int value = blocks[index];
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int bitIndex = index * bitsPerBlock;
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int startIndex = bitIndex / 64;
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int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
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int startBitSubIndex = bitIndex % 64;
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data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
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if (startIndex != endIndex) {
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int endBitSubIndex = 64 - startBitSubIndex;
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data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
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}
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}
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for (long l : data) {
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output.writeLong(l);
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}
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}
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@Override
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public void writeBlocks1_13(ByteBuf output) throws Exception {
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// Write bits per block
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int bitsPerBlock = 4;
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while (palette.size() > 1 << bitsPerBlock) {
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bitsPerBlock++;
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}
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boolean directPalette = false;
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if (bitsPerBlock >= 9) {
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bitsPerBlock = 14;
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directPalette = true;
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}
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long maxEntryValue = (1L << bitsPerBlock) - 1;
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output.writeByte(bitsPerBlock);
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// Write pallet (or not)
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if (!directPalette) {
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Type.VAR_INT.write(output, palette.size());
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for (int mappedId : palette) {
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Type.VAR_INT.write(output, mappedId);
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}
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}
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int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
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Type.VAR_INT.write(output, length);
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long[] data = new long[length];
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for (int index = 0; index < blocks.length; index++) {
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int value = directPalette ? palette.get(blocks[index]) : blocks[index];
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int bitIndex = index * bitsPerBlock;
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int startIndex = bitIndex / 64;
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int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
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int startBitSubIndex = bitIndex % 64;
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data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
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if (startIndex != endIndex) {
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int endBitSubIndex = 64 - startBitSubIndex;
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data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
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}
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}
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for (long l : data) {
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output.writeLong(l);
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}
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}
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/**
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* Write the block light to a buffer
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*
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* @param output The buffer to write to
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*/
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@Override
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public void writeBlockLight(ByteBuf output) {
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output.writeBytes(blockLight.getHandle());
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}
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/**
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* Write the sky light to a buffer
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*
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* @param output The buffer to write to
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*/
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@Override
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public void writeSkyLight(ByteBuf output) {
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output.writeBytes(skyLight.getHandle());
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}
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/**
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* Check if sky light is present
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*
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* @return True if skylight is present
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*/
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@Override
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public boolean hasSkyLight() {
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return skyLight != null;
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}
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@Override
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public List<Integer> getPalette() {
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return palette;
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}
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}
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@ -31,31 +31,32 @@ public class WorldPackets {
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wrapper.write(new Chunk1_14Type(clientWorld), chunk);
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for (ChunkSection section : chunk.getSections()) {
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if (section != null) {
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boolean hasBlock = false;
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for (int i = 0; i < section.getPalette().size(); i++) {
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int old = section.getPalette().get(i);
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if (!hasBlock && !(old == 0 || old == 8591 || old == 8592)) { // air, void_air, cave_air
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hasBlock = true;
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}
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int newId = Protocol1_14To1_13_2.getNewBlockStateId(old);
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section.getPalette().set(i, newId);
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if (section == null) continue;
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boolean hasBlock = false;
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for (int i = 0; i < section.getPalette().size(); i++) {
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int old = section.getPalette().get(i);
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if (!hasBlock && !(old == 0 || old == 8591 || old == 8592)) { // air, void_air, cave_air
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hasBlock = true;
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}
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if (hasBlock) {
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int nonAirBlockCount = 0;
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for (int x = 0; x < 16; x++) {
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for (int y = 0; y < 16; y++) {
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for (int z = 0; z < 16; z++) {
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int id = section.getBlock(x, y, z);
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if (id == 0 || id == 8591 || id == 8592) {
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nonAirBlockCount++;
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}
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}
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int newId = Protocol1_14To1_13_2.getNewBlockStateId(old);
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section.getPalette().set(i, newId);
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}
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if (!hasBlock) {
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section.setNonAirBlocksCount(0);
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continue;
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}
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int nonAirBlockCount = 0;
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for (int x = 0; x < 16; x++) {
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for (int y = 0; y < 16; y++) {
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for (int z = 0; z < 16; z++) {
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int id = section.getFlatBlock(x, y, z);
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if (id == 0 || id == 8591 || id == 8592) {
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nonAirBlockCount++;
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}
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}
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section.setNonAirBlocksCount(nonAirBlockCount);
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}
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}
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section.setNonAirBlocksCount(nonAirBlockCount);
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}
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PacketWrapper lightPacket = wrapper.create(0x57);
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@ -1,373 +0,0 @@
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package us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks;
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import com.google.common.collect.Lists;
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import io.netty.buffer.ByteBuf;
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import lombok.Getter;
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import lombok.Setter;
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import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
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import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
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import us.myles.ViaVersion.api.type.Type;
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import java.util.List;
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public class ChunkSection1_9_3_4 implements ChunkSection {
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@Getter
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@Setter
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private int nonAirBlocksCount;
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/**
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* Size (dimensions) of blocks in a chunks section.
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*/
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public static final int SIZE = 16 * 16 * 16; // width * depth * height
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/**
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* Length of the sky and block light nibble arrays.
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*/
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public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
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/**
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* Length of the block data array.
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*/
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private final List<Integer> palette = Lists.newArrayList();
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private final int[] blocks;
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private final NibbleArray blockLight;
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private NibbleArray skyLight;
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public ChunkSection1_9_3_4() {
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this.blocks = new int[SIZE];
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this.blockLight = new NibbleArray(SIZE);
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palette.add(0); // AIR
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}
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/**
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* Set a block in the chunks
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*
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* @param x Block X
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* @param y Block Y
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* @param z Block Z
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* @param type The type of the block
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* @param data The data value of the block
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*/
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public void setBlock(int x, int y, int z, int type, int data) {
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setBlock(index(x, y, z), type, data);
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}
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/**
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* Set a flat block in the chunks
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*
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* @param x Block X
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* @param y Block Y
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* @param z Block Z
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* @param type The type of the block
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*/
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@Override
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public void setFlatBlock(int x, int y, int z, int type) {
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int index = palette.indexOf(type);
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if (index == -1) {
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index = palette.size();
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palette.add(type);
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}
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blocks[index(x, y, z)] = index;
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}
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|
||||
public int getBlockId(int x, int y, int z) {
|
||||
return getBlock(x, y, z) >> 4;
|
||||
}
|
||||
|
||||
public int getBlock(int x, int y, int z) {
|
||||
int index = blocks[index(x, y, z)];
|
||||
return palette.get(index);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a block in the chunks based on the index
|
||||
*
|
||||
* @param idx Index
|
||||
* @param type The type of the block
|
||||
* @param data The data value of the block
|
||||
*/
|
||||
public void setBlock(int idx, int type, int data) {
|
||||
int hash = type << 4 | (data & 0xF);
|
||||
int index = palette.indexOf(hash);
|
||||
if (index == -1) {
|
||||
index = palette.size();
|
||||
palette.add(hash);
|
||||
}
|
||||
|
||||
blocks[idx] = index;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the block light array
|
||||
*
|
||||
* @param data The value to set the block light to
|
||||
*/
|
||||
public void setBlockLight(byte[] data) {
|
||||
blockLight.setHandle(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the sky light array
|
||||
*
|
||||
* @param data The value to set the sky light to
|
||||
*/
|
||||
public void setSkyLight(byte[] data) {
|
||||
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
|
||||
this.skyLight = new NibbleArray(data);
|
||||
}
|
||||
|
||||
private int index(int x, int y, int z) {
|
||||
return y << 8 | z << 4 | x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read blocks from input stream.
|
||||
* This reads all the block related data:
|
||||
* <ul>
|
||||
* <li>Block length/palette type</li>
|
||||
* <li>Palette</li>
|
||||
* <li>Block hashes/palette reference</li>
|
||||
* </ul>
|
||||
*
|
||||
* @param input The buffer to read from.
|
||||
* @throws Exception If it fails to read
|
||||
*/
|
||||
public void readBlocks(ByteBuf input) throws Exception {
|
||||
palette.clear();
|
||||
|
||||
// Read bits per block
|
||||
int bitsPerBlock = input.readUnsignedByte();
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
|
||||
if (bitsPerBlock == 0) {
|
||||
bitsPerBlock = 13;
|
||||
}
|
||||
if (bitsPerBlock < 4) {
|
||||
bitsPerBlock = 4;
|
||||
}
|
||||
if (bitsPerBlock > 8) {
|
||||
bitsPerBlock = 13;
|
||||
}
|
||||
int paletteLength = Type.VAR_INT.read(input);
|
||||
// Read palette
|
||||
for (int i = 0; i < paletteLength; i++) {
|
||||
if (bitsPerBlock != 13) {
|
||||
palette.add(Type.VAR_INT.read(input));
|
||||
} else {
|
||||
Type.VAR_INT.read(input);
|
||||
}
|
||||
}
|
||||
|
||||
// Read blocks
|
||||
//Long[] blockData = Type.LONG_ARRAY.read(input);
|
||||
long[] blockData = new long[Type.VAR_INT.read(input)];
|
||||
for (int i = 0; i < blockData.length; i++) {
|
||||
blockData[i] = input.readLong();
|
||||
}
|
||||
if (blockData.length > 0) {
|
||||
for (int i = 0; i < blocks.length; i++) {
|
||||
int bitIndex = i * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((i + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
int val;
|
||||
if (startIndex == endIndex) {
|
||||
val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
|
||||
} else {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
|
||||
}
|
||||
|
||||
if (bitsPerBlock == 13) {
|
||||
int type = val >> 4;
|
||||
int data = val & 0xF;
|
||||
|
||||
setBlock(i, type, data);
|
||||
} else {
|
||||
blocks[i] = val;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Read block light from buffer.
|
||||
*
|
||||
* @param input The buffer to read from
|
||||
*/
|
||||
public void readBlockLight(ByteBuf input) {
|
||||
byte[] handle = new byte[LIGHT_LENGTH];
|
||||
input.readBytes(handle);
|
||||
blockLight.setHandle(handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* Read sky light from buffer.
|
||||
* Note: Only sent in overworld!
|
||||
*
|
||||
* @param input The buffer to read from
|
||||
*/
|
||||
public void readSkyLight(ByteBuf input) {
|
||||
byte[] handle = new byte[LIGHT_LENGTH];
|
||||
input.readBytes(handle);
|
||||
if (skyLight != null) {
|
||||
skyLight.setHandle(handle);
|
||||
return;
|
||||
}
|
||||
|
||||
this.skyLight = new NibbleArray(handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the blocks to a buffer.
|
||||
*
|
||||
* @param output The buffer to write to.
|
||||
* @throws Exception Throws if it failed to write.
|
||||
*/
|
||||
public void writeBlocks(ByteBuf output) throws Exception {
|
||||
// Write bits per block
|
||||
int bitsPerBlock = 4;
|
||||
while (palette.size() > 1 << bitsPerBlock) {
|
||||
bitsPerBlock += 1;
|
||||
}
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
output.writeByte(bitsPerBlock);
|
||||
|
||||
// Write pallet (or not)
|
||||
Type.VAR_INT.write(output, palette.size());
|
||||
for (int mappedId : palette) {
|
||||
Type.VAR_INT.write(output, mappedId);
|
||||
}
|
||||
|
||||
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
|
||||
Type.VAR_INT.write(output, length);
|
||||
long[] data = new long[length];
|
||||
for (int index = 0; index < blocks.length; index++) {
|
||||
int value = blocks[index];
|
||||
int bitIndex = index * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
|
||||
if (startIndex != endIndex) {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
|
||||
}
|
||||
}
|
||||
for (long l : data) {
|
||||
output.writeLong(l);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeBlocks1_13(ByteBuf output) throws Exception {
|
||||
// Write bits per block
|
||||
int bitsPerBlock = 4;
|
||||
while (palette.size() > 1 << bitsPerBlock) {
|
||||
bitsPerBlock++;
|
||||
}
|
||||
boolean directPalette = false;
|
||||
if (bitsPerBlock >= 9) {
|
||||
bitsPerBlock = 14;
|
||||
directPalette = true;
|
||||
}
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
output.writeByte(bitsPerBlock);
|
||||
|
||||
// Write pallet (or not)
|
||||
if (!directPalette) {
|
||||
Type.VAR_INT.write(output, palette.size());
|
||||
for (int mappedId : palette) {
|
||||
Type.VAR_INT.write(output, mappedId);
|
||||
}
|
||||
}
|
||||
|
||||
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
|
||||
Type.VAR_INT.write(output, length);
|
||||
long[] data = new long[length];
|
||||
for (int index = 0; index < blocks.length; index++) {
|
||||
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
|
||||
int bitIndex = index * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
|
||||
if (startIndex != endIndex) {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
|
||||
}
|
||||
}
|
||||
for (long l : data) {
|
||||
output.writeLong(l);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the block light to a buffer
|
||||
*
|
||||
* @param output The buffer to write to
|
||||
*/
|
||||
public void writeBlockLight(ByteBuf output) {
|
||||
output.writeBytes(blockLight.getHandle());
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the sky light to a buffer
|
||||
*
|
||||
* @param output The buffer to write to
|
||||
*/
|
||||
public void writeSkyLight(ByteBuf output) {
|
||||
output.writeBytes(skyLight.getHandle());
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if sky light is present
|
||||
*
|
||||
* @return True if skylight is present
|
||||
*/
|
||||
public boolean hasSkyLight() {
|
||||
return skyLight != null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get expected size of this chunks section.
|
||||
*
|
||||
* @return Amount of bytes sent by this section
|
||||
* @throws Exception If it failed to calculate bits properly
|
||||
*/
|
||||
public int getExpectedSize() throws Exception {
|
||||
int bitsPerBlock = palette.size() > 255 ? 16 : 8;
|
||||
int bytes = 1; // bits per block
|
||||
bytes += paletteBytes(); // palette
|
||||
bytes += countBytes(bitsPerBlock == 16 ? SIZE * 2 : SIZE); // block data length
|
||||
bytes += (palette.size() > 255 ? 2 : 1) * SIZE; // block data
|
||||
bytes += LIGHT_LENGTH; // block light
|
||||
bytes += hasSkyLight() ? LIGHT_LENGTH : 0; // sky light
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private int paletteBytes() throws Exception {
|
||||
// Count bytes used by pallet
|
||||
int bytes = countBytes(palette.size());
|
||||
for (int mappedId : palette) {
|
||||
bytes += countBytes(mappedId);
|
||||
}
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private int countBytes(int value) throws Exception {
|
||||
// Count amount of bytes that would be sent if the value were sent as a VarInt
|
||||
if ((value & (~0 << 7)) == 0)
|
||||
return 1;
|
||||
if ((value & (~0 << 14)) == 0)
|
||||
return 2;
|
||||
if ((value & (~0 << 21)) == 0)
|
||||
return 3;
|
||||
if ((value & (~0 << 28)) == 0)
|
||||
return 4;
|
||||
return 5;
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Integer> getPalette() {
|
||||
return palette;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,365 +0,0 @@
|
|||
package us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.chunks;
|
||||
|
||||
import com.google.common.collect.Lists;
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import lombok.Getter;
|
||||
import lombok.Setter;
|
||||
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
|
||||
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
|
||||
import us.myles.ViaVersion.api.type.Type;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public class ChunkSection1_9_1_2 implements ChunkSection {
|
||||
@Getter
|
||||
@Setter
|
||||
private int nonAirBlocksCount;
|
||||
/**
|
||||
* Size (dimensions) of blocks in a chunks section.
|
||||
*/
|
||||
public static final int SIZE = 16 * 16 * 16; // width * depth * height
|
||||
/**
|
||||
* Length of the sky and block light nibble arrays.
|
||||
*/
|
||||
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
|
||||
/**
|
||||
* Length of the block data array.
|
||||
*/
|
||||
private final List<Integer> palette = Lists.newArrayList();
|
||||
private final int[] blocks;
|
||||
private final NibbleArray blockLight;
|
||||
private NibbleArray skyLight;
|
||||
|
||||
public ChunkSection1_9_1_2() {
|
||||
this.blocks = new int[SIZE];
|
||||
this.blockLight = new NibbleArray(SIZE);
|
||||
palette.add(0); // AIR
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a block in the chunks
|
||||
*
|
||||
* @param x Block X
|
||||
* @param y Block Y
|
||||
* @param z Block Z
|
||||
* @param type The type of the block
|
||||
* @param data The data value of the block
|
||||
*/
|
||||
public void setBlock(int x, int y, int z, int type, int data) {
|
||||
setBlock(index(x, y, z), type, data);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setFlatBlock(int x, int y, int z, int type) {
|
||||
int index = palette.indexOf(type);
|
||||
if (index == -1) {
|
||||
index = palette.size();
|
||||
palette.add(type);
|
||||
}
|
||||
|
||||
blocks[index(x, y, z)] = index;
|
||||
}
|
||||
|
||||
public int getBlockId(int x, int y, int z) {
|
||||
return getBlock(x, y, z) >> 4;
|
||||
}
|
||||
|
||||
public int getBlock(int x, int y, int z) {
|
||||
int index = blocks[index(x, y, z)];
|
||||
return palette.get(index);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a block in the chunks based on the index
|
||||
*
|
||||
* @param idx Index
|
||||
* @param type The type of the block
|
||||
* @param data The data value of the block
|
||||
*/
|
||||
public void setBlock(int idx, int type, int data) {
|
||||
int hash = type << 4 | (data & 0xF);
|
||||
int index = palette.indexOf(hash);
|
||||
if (index == -1) {
|
||||
index = palette.size();
|
||||
palette.add(hash);
|
||||
}
|
||||
|
||||
blocks[idx] = index;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the block light array
|
||||
*
|
||||
* @param data The value to set the block light to
|
||||
*/
|
||||
public void setBlockLight(byte[] data) {
|
||||
blockLight.setHandle(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the sky light array
|
||||
*
|
||||
* @param data The value to set the sky light to
|
||||
*/
|
||||
public void setSkyLight(byte[] data) {
|
||||
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
|
||||
this.skyLight = new NibbleArray(data);
|
||||
}
|
||||
|
||||
private int index(int x, int y, int z) {
|
||||
return y << 8 | z << 4 | x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read blocks from input stream.
|
||||
* This reads all the block related data:
|
||||
* <ul>
|
||||
* <li>Block length/palette type</li>
|
||||
* <li>Palette</li>
|
||||
* <li>Block hashes/palette reference</li>
|
||||
* </ul>
|
||||
*
|
||||
* @param input The buffer to read from.
|
||||
* @throws Exception If it failed to read properly
|
||||
*/
|
||||
public void readBlocks(ByteBuf input) throws Exception {
|
||||
palette.clear();
|
||||
|
||||
// Reaad bits per block
|
||||
int bitsPerBlock = input.readUnsignedByte();
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
|
||||
if (bitsPerBlock == 0) {
|
||||
bitsPerBlock = 13;
|
||||
}
|
||||
if (bitsPerBlock < 4) {
|
||||
bitsPerBlock = 4;
|
||||
}
|
||||
if (bitsPerBlock > 8) {
|
||||
bitsPerBlock = 13;
|
||||
}
|
||||
int paletteLength = Type.VAR_INT.read(input);
|
||||
// Read palette
|
||||
for (int i = 0; i < paletteLength; i++) {
|
||||
if (bitsPerBlock != 13) {
|
||||
palette.add(Type.VAR_INT.read(input));
|
||||
} else {
|
||||
Type.VAR_INT.read(input);
|
||||
}
|
||||
}
|
||||
|
||||
// Read blocks
|
||||
// Long[] blockData = Type.LONG_ARRAY.read(input);
|
||||
long[] blockData = new long[Type.VAR_INT.read(input)];
|
||||
for (int i = 0; i < blockData.length; i++) {
|
||||
blockData[i] = input.readLong();
|
||||
}
|
||||
if (blockData.length > 0) {
|
||||
for (int i = 0; i < blocks.length; i++) {
|
||||
int bitIndex = i * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((i + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
int val;
|
||||
if (startIndex == endIndex) {
|
||||
val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
|
||||
} else {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
|
||||
}
|
||||
|
||||
if (bitsPerBlock == 13) {
|
||||
int type = val >> 4;
|
||||
int data = val & 0xF;
|
||||
|
||||
setBlock(i, type, data);
|
||||
} else {
|
||||
blocks[i] = val;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Read block light from buffer.
|
||||
*
|
||||
* @param input The buffer to read from
|
||||
*/
|
||||
public void readBlockLight(ByteBuf input) {
|
||||
byte[] handle = new byte[LIGHT_LENGTH];
|
||||
input.readBytes(handle);
|
||||
blockLight.setHandle(handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* Read sky light from buffer.
|
||||
* Note: Only sent in overworld!
|
||||
*
|
||||
* @param input The buffer to read from
|
||||
*/
|
||||
public void readSkyLight(ByteBuf input) {
|
||||
byte[] handle = new byte[LIGHT_LENGTH];
|
||||
input.readBytes(handle);
|
||||
if (skyLight != null) {
|
||||
skyLight.setHandle(handle);
|
||||
return;
|
||||
}
|
||||
|
||||
this.skyLight = new NibbleArray(handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the blocks to a buffer.
|
||||
*
|
||||
* @param output The buffer to write to.
|
||||
* @throws Exception Throws if it failed to write.
|
||||
*/
|
||||
public void writeBlocks(ByteBuf output) throws Exception {
|
||||
// Write bits per block
|
||||
int bitsPerBlock = 4;
|
||||
while (palette.size() > 1 << bitsPerBlock) {
|
||||
bitsPerBlock += 1;
|
||||
}
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
output.writeByte(bitsPerBlock);
|
||||
|
||||
// Write pallet (or not)
|
||||
Type.VAR_INT.write(output, palette.size());
|
||||
for (int mappedId : palette) {
|
||||
Type.VAR_INT.write(output, mappedId);
|
||||
}
|
||||
|
||||
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
|
||||
Type.VAR_INT.write(output, length);
|
||||
long[] data = new long[length];
|
||||
for (int index = 0; index < blocks.length; index++) {
|
||||
int value = blocks[index];
|
||||
int bitIndex = index * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
|
||||
if (startIndex != endIndex) {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
|
||||
}
|
||||
}
|
||||
for (long l : data) {
|
||||
output.writeLong(l);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeBlocks1_13(ByteBuf output) throws Exception {
|
||||
// Write bits per block
|
||||
int bitsPerBlock = 4;
|
||||
while (palette.size() > 1 << bitsPerBlock) {
|
||||
bitsPerBlock++;
|
||||
}
|
||||
boolean directPalette = false;
|
||||
if (bitsPerBlock >= 9) {
|
||||
bitsPerBlock = 14;
|
||||
directPalette = true;
|
||||
}
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
output.writeByte(bitsPerBlock);
|
||||
|
||||
// Write pallet (or not)
|
||||
if (!directPalette) {
|
||||
Type.VAR_INT.write(output, palette.size());
|
||||
for (int mappedId : palette) {
|
||||
Type.VAR_INT.write(output, mappedId);
|
||||
}
|
||||
}
|
||||
|
||||
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
|
||||
Type.VAR_INT.write(output, length);
|
||||
long[] data = new long[length];
|
||||
for (int index = 0; index < blocks.length; index++) {
|
||||
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
|
||||
int bitIndex = index * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
|
||||
if (startIndex != endIndex) {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
|
||||
}
|
||||
}
|
||||
for (long l : data) {
|
||||
output.writeLong(l);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the block light to a buffer
|
||||
*
|
||||
* @param output The buffer to write to
|
||||
*/
|
||||
public void writeBlockLight(ByteBuf output) {
|
||||
output.writeBytes(blockLight.getHandle());
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the sky light to a buffer
|
||||
*
|
||||
* @param output The buffer to write to
|
||||
*/
|
||||
public void writeSkyLight(ByteBuf output) {
|
||||
output.writeBytes(skyLight.getHandle());
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Integer> getPalette() {
|
||||
return palette;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if sky light is present
|
||||
*
|
||||
* @return True if skylight is present
|
||||
*/
|
||||
public boolean hasSkyLight() {
|
||||
return skyLight != null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get expected size of this chunks section.
|
||||
*
|
||||
* @return Amount of bytes sent by this section
|
||||
* @throws Exception If it failed to calculate bits properly
|
||||
*/
|
||||
public int getExpectedSize() throws Exception {
|
||||
int bitsPerBlock = palette.size() > 255 ? 16 : 8;
|
||||
int bytes = 1; // bits per block
|
||||
bytes += paletteBytes(); // palette
|
||||
bytes += countBytes(bitsPerBlock == 16 ? SIZE * 2 : SIZE); // block data length
|
||||
bytes += (palette.size() > 255 ? 2 : 1) * SIZE; // block data
|
||||
bytes += LIGHT_LENGTH; // block light
|
||||
bytes += hasSkyLight() ? LIGHT_LENGTH : 0; // sky light
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private int paletteBytes() throws Exception {
|
||||
// Count bytes used by pallet
|
||||
int bytes = countBytes(palette.size());
|
||||
for (int mappedId : palette) {
|
||||
bytes += countBytes(mappedId);
|
||||
}
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private int countBytes(int value) throws Exception {
|
||||
// Count amount of bytes that would be sent if the value were sent as a VarInt
|
||||
if ((value & (~0 << 7)) == 0)
|
||||
return 1;
|
||||
if ((value & (~0 << 14)) == 0)
|
||||
return 2;
|
||||
if ((value & (~0 << 21)) == 0)
|
||||
return 3;
|
||||
if ((value & (~0 << 28)) == 0)
|
||||
return 4;
|
||||
return 5;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,268 +0,0 @@
|
|||
package us.myles.ViaVersion.protocols.protocol1_9to1_8.chunks;
|
||||
|
||||
import com.google.common.collect.Lists;
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import lombok.Getter;
|
||||
import lombok.Setter;
|
||||
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
|
||||
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
|
||||
import us.myles.ViaVersion.api.type.Type;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public class ChunkSection1_9to1_8 implements ChunkSection {
|
||||
@Getter
|
||||
@Setter
|
||||
private int nonAirBlocksCount;
|
||||
/**
|
||||
* Size (dimensions) of blocks in a chunks section.
|
||||
*/
|
||||
public static final int SIZE = 16 * 16 * 16; // width * depth * height
|
||||
/**
|
||||
* Length of the sky and block light nibble arrays.
|
||||
*/
|
||||
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
|
||||
/**
|
||||
* Length of the block data array.
|
||||
*/
|
||||
|
||||
private final List<Integer> palette = Lists.newArrayList();
|
||||
private final int[] blocks;
|
||||
private final NibbleArray blockLight;
|
||||
private NibbleArray skyLight;
|
||||
|
||||
public ChunkSection1_9to1_8() {
|
||||
this.blocks = new int[SIZE];
|
||||
this.blockLight = new NibbleArray(SIZE);
|
||||
palette.add(0); // AIR
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a block in the chunks
|
||||
*
|
||||
* @param x Block X
|
||||
* @param y Block Y
|
||||
* @param z Block Z
|
||||
* @param type The type of the block
|
||||
* @param data The data value of the block
|
||||
*/
|
||||
public void setBlock(int x, int y, int z, int type, int data) {
|
||||
setBlock(index(x, y, z), type, data);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setFlatBlock(int x, int y, int z, int type) {
|
||||
int index = palette.indexOf(type);
|
||||
if (index == -1) {
|
||||
index = palette.size();
|
||||
palette.add(type);
|
||||
}
|
||||
|
||||
blocks[index(x, y, z)] = index;
|
||||
}
|
||||
|
||||
public int getBlockId(int x, int y, int z) {
|
||||
return getBlock(x, y, z) >> 4;
|
||||
}
|
||||
|
||||
public int getBlock(int x, int y, int z) {
|
||||
int index = blocks[index(x, y, z)];
|
||||
return palette.get(index);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a block in the chunks based on the index
|
||||
*
|
||||
* @param idx Index
|
||||
* @param type The type of the block
|
||||
* @param data The data value of the block
|
||||
*/
|
||||
public void setBlock(int idx, int type, int data) {
|
||||
int hash = type << 4 | (data & 0xF);
|
||||
int index = palette.indexOf(hash);
|
||||
if (index == -1) {
|
||||
index = palette.size();
|
||||
palette.add(hash);
|
||||
}
|
||||
|
||||
blocks[idx] = index;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the block light array
|
||||
*
|
||||
* @param data The value to set the block light to
|
||||
*/
|
||||
public void setBlockLight(byte[] data) {
|
||||
blockLight.setHandle(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the sky light array
|
||||
*
|
||||
* @param data The value to set the sky light to
|
||||
*/
|
||||
public void setSkyLight(byte[] data) {
|
||||
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
|
||||
this.skyLight = new NibbleArray(data);
|
||||
}
|
||||
|
||||
private int index(int x, int y, int z) {
|
||||
return y << 8 | z << 4 | x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the blocks to a buffer.
|
||||
*
|
||||
* @param output The buffer to write to.
|
||||
* @throws Exception Throws if it failed to write.
|
||||
*/
|
||||
public void writeBlocks(ByteBuf output) throws Exception {
|
||||
// Write bits per block
|
||||
int bitsPerBlock = 4;
|
||||
while (palette.size() > 1 << bitsPerBlock) {
|
||||
bitsPerBlock += 1;
|
||||
}
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
output.writeByte(bitsPerBlock);
|
||||
|
||||
// Write pallet (or not)
|
||||
Type.VAR_INT.write(output, palette.size());
|
||||
for (int mappedId : palette) {
|
||||
Type.VAR_INT.write(output, mappedId);
|
||||
}
|
||||
|
||||
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
|
||||
Type.VAR_INT.write(output, length);
|
||||
long[] data = new long[length];
|
||||
for (int index = 0; index < blocks.length; index++) {
|
||||
int value = blocks[index];
|
||||
int bitIndex = index * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
|
||||
if (startIndex != endIndex) {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
|
||||
}
|
||||
}
|
||||
for (long l : data) {
|
||||
output.writeLong(l);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void writeBlocks1_13(ByteBuf output) throws Exception {
|
||||
// Write bits per block
|
||||
int bitsPerBlock = 4;
|
||||
while (palette.size() > 1 << bitsPerBlock) {
|
||||
bitsPerBlock++;
|
||||
}
|
||||
boolean directPalette = false;
|
||||
if (bitsPerBlock >= 9) {
|
||||
bitsPerBlock = 14;
|
||||
directPalette = true;
|
||||
}
|
||||
long maxEntryValue = (1L << bitsPerBlock) - 1;
|
||||
output.writeByte(bitsPerBlock);
|
||||
|
||||
// Write pallet (or not)
|
||||
if (!directPalette) {
|
||||
Type.VAR_INT.write(output, palette.size());
|
||||
for (int mappedId : palette) {
|
||||
Type.VAR_INT.write(output, mappedId);
|
||||
}
|
||||
}
|
||||
|
||||
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
|
||||
Type.VAR_INT.write(output, length);
|
||||
long[] data = new long[length];
|
||||
for (int index = 0; index < blocks.length; index++) {
|
||||
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
|
||||
int bitIndex = index * bitsPerBlock;
|
||||
int startIndex = bitIndex / 64;
|
||||
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
|
||||
int startBitSubIndex = bitIndex % 64;
|
||||
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
|
||||
if (startIndex != endIndex) {
|
||||
int endBitSubIndex = 64 - startBitSubIndex;
|
||||
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
|
||||
}
|
||||
}
|
||||
for (long l : data) {
|
||||
output.writeLong(l);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the block light to a buffer
|
||||
*
|
||||
* @param output The buffer to write to
|
||||
*/
|
||||
public void writeBlockLight(ByteBuf output) {
|
||||
output.writeBytes(blockLight.getHandle());
|
||||
}
|
||||
|
||||
/**
|
||||
* Write the sky light to a buffer
|
||||
*
|
||||
* @param output The buffer to write to
|
||||
*/
|
||||
public void writeSkyLight(ByteBuf output) {
|
||||
output.writeBytes(skyLight.getHandle());
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Integer> getPalette() {
|
||||
return palette;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if sky light is present
|
||||
*
|
||||
* @return True if skylight is present
|
||||
*/
|
||||
public boolean hasSkyLight() {
|
||||
return skyLight != null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get expected size of this chunks section.
|
||||
*
|
||||
* @return Amount of bytes sent by this section
|
||||
* @throws Exception If it failed to calculate bits properly
|
||||
*/
|
||||
public int getExpectedSize() throws Exception {
|
||||
int bitsPerBlock = palette.size() > 255 ? 16 : 8;
|
||||
int bytes = 1; // bits per block
|
||||
bytes += paletteBytes(); // palette
|
||||
bytes += countBytes(bitsPerBlock == 16 ? SIZE * 2 : SIZE); // block data length
|
||||
bytes += (palette.size() > 255 ? 2 : 1) * SIZE; // block data
|
||||
bytes += LIGHT_LENGTH; // block light
|
||||
bytes += hasSkyLight() ? LIGHT_LENGTH : 0; // sky light
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private int paletteBytes() throws Exception {
|
||||
// Count bytes used by pallet
|
||||
int bytes = countBytes(palette.size());
|
||||
for (int mappedId : palette) {
|
||||
bytes += countBytes(mappedId);
|
||||
}
|
||||
return bytes;
|
||||
}
|
||||
|
||||
private int countBytes(int value) throws Exception {
|
||||
// Count amount of bytes that would be sent if the value were sent as a VarInt
|
||||
if ((value & (~0 << 7)) == 0)
|
||||
return 1;
|
||||
if ((value & (~0 << 14)) == 0)
|
||||
return 2;
|
||||
if ((value & (~0 << 21)) == 0)
|
||||
return 3;
|
||||
if ((value & (~0 << 28)) == 0)
|
||||
return 4;
|
||||
return 5;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user