mirror of
https://github.com/ViaVersion/ViaVersion.git
synced 2024-11-26 20:16:02 +01:00
Drop spacehq MC protocol since it's no longer used
This commit is contained in:
Mats
parent
89d5f2cc4f
commit
7daa43146e
@ -1,126 +0,0 @@
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package org.spacehq.mc.protocol.data.game.chunk;
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import io.netty.buffer.ByteBuf;
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import us.myles.ViaVersion.util.PacketUtil;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class BlockStorage {
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private int bitsPerEntry;
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private List<Integer> states;
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private FlexibleStorage storage;
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public BlockStorage() {
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this.bitsPerEntry = 4;
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this.states = new ArrayList<>();
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this.states.add(0);
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this.storage = new FlexibleStorage(this.bitsPerEntry, 4096);
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}
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public BlockStorage(ByteBuf in) throws IOException {
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this.bitsPerEntry = in.readUnsignedByte();
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this.states = new ArrayList<>();
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int stateCount = PacketUtil.readVarInt(in);
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for (int i = 0; i < stateCount; i++) {
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this.states.add(PacketUtil.readVarInt(in));
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}
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this.storage = new FlexibleStorage(this.bitsPerEntry, PacketUtil.readLongs(PacketUtil.readVarInt(in), in));
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}
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private static 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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public void write(ByteBuf out) throws IOException {
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out.writeByte(this.bitsPerEntry);
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PacketUtil.writeVarInt(this.states.size(), out);
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for (int state : this.states) {
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PacketUtil.writeVarInt(state, out);
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}
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long[] data = this.storage.getData();
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PacketUtil.writeVarInt(data.length, out);
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PacketUtil.writeLongs(data, out);
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}
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public int getBitsPerEntry() {
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return this.bitsPerEntry;
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}
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public List<Integer> getStates() {
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return Collections.unmodifiableList(this.states);
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}
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public FlexibleStorage getStorage() {
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return this.storage;
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}
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public int get(int x, int y, int z) {
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int id = this.storage.get(index(x, y, z));
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return this.bitsPerEntry <= 8 ? (id >= 0 && id < this.states.size() ? this.states.get(id) : 0) : id;
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}
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public void set(int x, int y, int z, int state) {
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set(index(x, y, z), state);
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}
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public void set(int ind, int state) {
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int id = this.bitsPerEntry <= 8 ? this.states.indexOf(state) : state;
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if (id == -1) {
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this.states.add(state);
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if (this.states.size() > 1 << this.bitsPerEntry) {
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this.bitsPerEntry++;
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List<Integer> oldStates = this.states;
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if (this.bitsPerEntry > 8) {
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oldStates = new ArrayList<>(this.states);
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this.states.clear();
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this.bitsPerEntry = 13;
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}
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FlexibleStorage oldStorage = this.storage;
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this.storage = new FlexibleStorage(this.bitsPerEntry, this.storage.getSize());
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for (int index = 0; index < this.storage.getSize(); index++) {
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int value = oldStorage.get(index);
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this.storage.set(index, this.bitsPerEntry <= 8 ? value : oldStates.get(value));
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}
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}
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id = this.bitsPerEntry <= 8 ? this.states.indexOf(state) : state;
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}
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this.storage.set(ind, id);
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}
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public boolean isEmpty() {
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for (int index = 0; index < this.storage.getSize(); index++) {
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if (this.storage.get(index) != 0) {
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return false;
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}
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}
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return true;
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}
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@Override
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public boolean equals(Object o) {
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return this == o || (o instanceof BlockStorage && this.bitsPerEntry == ((BlockStorage) o).bitsPerEntry && this.states.equals(((BlockStorage) o).states) && this.storage.equals(((BlockStorage) o).storage));
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}
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@Override
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public int hashCode() {
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int result = this.bitsPerEntry;
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result = 31 * result + this.states.hashCode();
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result = 31 * result + this.storage.hashCode();
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return result;
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}
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}
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@ -1,46 +0,0 @@
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package org.spacehq.mc.protocol.data.game.chunk;
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public class Chunk {
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private BlockStorage blocks;
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private NibbleArray3d blocklight;
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private NibbleArray3d skylight;
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public Chunk(boolean skylight) {
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this(new BlockStorage(), new NibbleArray3d(2048), skylight ? new NibbleArray3d(2048) : null);
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}
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public Chunk(BlockStorage blocks, NibbleArray3d blocklight, NibbleArray3d skylight) {
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this.blocks = blocks;
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this.blocklight = blocklight;
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this.skylight = skylight;
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}
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public BlockStorage getBlocks() {
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return this.blocks;
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}
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public NibbleArray3d getBlockLight() {
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return this.blocklight;
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}
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public NibbleArray3d getSkyLight() {
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return this.skylight;
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}
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public boolean isEmpty() {
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return this.blocks.isEmpty();
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}
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@Override
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public boolean equals(Object o) {
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return this == o || (o instanceof Chunk && this.blocks.equals(((Chunk) o).blocks) && this.blocklight.equals(((Chunk) o).blocklight) && ((this.skylight == null && (((Chunk) o).skylight == null)) || (this.skylight != null && this.skylight.equals(((Chunk) o).skylight))));
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}
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@Override
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public int hashCode() {
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int result = this.blocks.hashCode();
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result = 31 * result + this.blocklight.hashCode();
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result = 31 * result + (this.skylight != null ? this.skylight.hashCode() : 0);
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return result;
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}
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}
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@ -1,59 +0,0 @@
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package org.spacehq.mc.protocol.data.game.chunk;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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public class Column {
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private int x;
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private int z;
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private Chunk chunks[];
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private byte biomeData[];
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private boolean skylight;
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public Column(int x, int z, Chunk chunks[]) {
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this(x, z, chunks, null);
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}
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public Column(int x, int z, Chunk chunks[], byte biomeData[]) {
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if(chunks.length != 16) {
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throw new IllegalArgumentException("Chunk array length must be 16.");
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}
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if(biomeData != null && biomeData.length != 256) {
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throw new IllegalArgumentException("Biome data array length must be 256.");
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}
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this.skylight = false;
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boolean noSkylight = false;
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for (Chunk chunk : chunks) {
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if (chunk != null) {
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if (chunk.getSkyLight() == null) {
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noSkylight = true;
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} else {
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this.skylight = true;
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}
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}
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}
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if(noSkylight && this.skylight) {
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throw new IllegalArgumentException("Either all chunks must have skylight values or none must have them.");
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}
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this.x = x;
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this.z = z;
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this.chunks = chunks;
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this.biomeData = biomeData;
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}
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public boolean hasBiomeData() {
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return this.biomeData != null;
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}
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public boolean hasSkylight() {
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return this.skylight;
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}
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}
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@ -1,104 +0,0 @@
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package org.spacehq.mc.protocol.data.game.chunk;
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import java.util.Arrays;
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public class FlexibleStorage {
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private final long[] data;
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private final int bitsPerEntry;
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private final int size;
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private final long maxEntryValue;
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public FlexibleStorage(int bitsPerEntry, int size) {
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this(bitsPerEntry, new long[roundToNearest(size * bitsPerEntry, 64) / 64]);
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}
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public FlexibleStorage(int bitsPerEntry, long[] data) {
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if(bitsPerEntry < 1 || bitsPerEntry > 32) {
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throw new IllegalArgumentException("BitsPerEntry cannot be outside of accepted range.");
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}
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this.bitsPerEntry = bitsPerEntry;
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this.data = data;
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this.size = this.data.length * 64 / this.bitsPerEntry;
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this.maxEntryValue = (1L << this.bitsPerEntry) - 1;
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}
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public long[] getData() {
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return this.data;
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}
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public int getBitsPerEntry() {
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return this.bitsPerEntry;
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}
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public int getSize() {
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return this.size;
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}
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public int get(int index) {
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if(index < 0 || index > this.size - 1) {
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throw new IndexOutOfBoundsException();
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}
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int bitIndex = index * this.bitsPerEntry;
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int startIndex = bitIndex / 64;
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int endIndex = ((index + 1) * this.bitsPerEntry - 1) / 64;
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int startBitSubIndex = bitIndex % 64;
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if(startIndex == endIndex) {
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return (int) (this.data[startIndex] >>> startBitSubIndex & this.maxEntryValue);
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} else {
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int endBitSubIndex = 64 - startBitSubIndex;
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return (int) ((this.data[startIndex] >>> startBitSubIndex | this.data[endIndex] << endBitSubIndex) & this.maxEntryValue);
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}
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}
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public void set(int index, int value) {
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if(index < 0 || index > this.size - 1) {
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throw new IndexOutOfBoundsException();
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}
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if(value < 0 || value > this.maxEntryValue) {
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throw new IllegalArgumentException("Value cannot be outside of accepted range.");
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}
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int bitIndex = index * this.bitsPerEntry;
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int startIndex = bitIndex / 64;
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int endIndex = ((index + 1) * this.bitsPerEntry - 1) / 64;
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int startBitSubIndex = bitIndex % 64;
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this.data[startIndex] = this.data[startIndex] & ~(this.maxEntryValue << startBitSubIndex) | ((long) value & this.maxEntryValue) << startBitSubIndex;
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if(startIndex != endIndex) {
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int endBitSubIndex = 64 - startBitSubIndex;
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this.data[endIndex] = this.data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & this.maxEntryValue) >> endBitSubIndex;
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}
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}
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private static int roundToNearest(int value, int roundTo) {
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if(roundTo == 0) {
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return 0;
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} else if(value == 0) {
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return roundTo;
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} else {
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if(value < 0) {
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roundTo *= -1;
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}
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int remainder = value % roundTo;
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return remainder != 0 ? value + roundTo - remainder : value;
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}
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}
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@Override
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public boolean equals(Object o) {
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return this == o || (o instanceof FlexibleStorage && Arrays.equals(this.data, ((FlexibleStorage) o).data) && this.bitsPerEntry == ((FlexibleStorage) o).bitsPerEntry && this.size == ((FlexibleStorage) o).size && this.maxEntryValue == ((FlexibleStorage) o).maxEntryValue);
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}
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@Override
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public int hashCode() {
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int result = Arrays.hashCode(this.data);
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result = 31 * result + this.bitsPerEntry;
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result = 31 * result + this.size;
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result = 31 * result + (int) this.maxEntryValue;
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return result;
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}
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}
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@ -1,71 +0,0 @@
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package org.spacehq.mc.protocol.data.game.chunk;
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import io.netty.buffer.ByteBuf;
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import java.io.IOException;
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import java.util.Arrays;
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public class NibbleArray3d {
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private byte[] data;
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public NibbleArray3d(int size) {
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this.data = new byte[size];
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}
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public NibbleArray3d(byte[] array) {
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this.data = array;
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}
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public NibbleArray3d(ByteBuf in, int size) throws IOException {
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this.data = new byte[size];
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in.readBytes(this.data);
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}
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public void write(ByteBuf out) throws IOException {
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out.writeBytes(this.data);
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}
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public byte[] getData() {
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return this.data;
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}
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public int get(int x, int y, int z) {
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int key = y << 8 | z << 4 | x;
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int index = key >> 1;
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int part = key & 1;
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return part == 0 ? this.data[index] & 15 : this.data[index] >> 4 & 15;
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}
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public void set(int x, int y, int z, int val) {
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int key = y << 8 | z << 4 | x;
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int index = key >> 1;
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int part = key & 1;
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if(part == 0) {
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this.data[index] = (byte) (this.data[index] & 240 | val & 15);
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} else {
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this.data[index] = (byte) (this.data[index] & 15 | (val & 15) << 4);
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}
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}
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public void fill(int val) {
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for(int index = 0; index < this.data.length << 1; index++) {
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int ind = index >> 1;
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int part = index & 1;
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if(part == 0) {
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this.data[ind] = (byte) (this.data[ind] & 240 | val & 15);
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} else {
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this.data[ind] = (byte) (this.data[ind] & 15 | (val & 15) << 4);
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}
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}
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}
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@Override
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public boolean equals(Object o) {
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return this == o || (o instanceof NibbleArray3d && Arrays.equals(this.data, ((NibbleArray3d) o).data));
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}
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@Override
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public int hashCode() {
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return Arrays.hashCode(this.data);
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}
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}
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@ -1,117 +0,0 @@
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package org.spacehq.mc.protocol.util;
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import io.netty.buffer.ByteBuf;
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import org.spacehq.mc.protocol.data.game.chunk.Chunk;
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import org.spacehq.mc.protocol.data.game.chunk.Column;
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import org.spacehq.mc.protocol.data.game.chunk.NibbleArray3d;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.ShortBuffer;
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/* From https://github.com/Steveice10/MCProtocolLib/ */
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/* No credit taken for writing this code, and used accordance to it's license
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Original by Steveice10, modified to suit this plugin.
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*/
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public class NetUtil {
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public static int writeNewColumn(ByteBuf out, Column column, boolean fullChunk, boolean hasSkylight) throws IOException {
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int mask = 0;
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Chunk chunks[] = column.getChunks();
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for (int index = 0; index < chunks.length; index++) {
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Chunk chunk = chunks[index];
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if (chunk != null && (!fullChunk || !chunk.isEmpty())) {
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mask |= 1 << index;
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chunk.getBlocks().write(out);
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chunk.getBlockLight().write(out);
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if (hasSkylight || column.hasSkylight()) {
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chunk.getSkyLight().write(out); // TODO: Make a PR to original lib to correct this
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}
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}
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}
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if (fullChunk && column.getBiomeData() != null) {
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out.writeBytes(column.getBiomeData());
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}
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return mask;
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}
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public static Column readOldChunkData(int x, int z, boolean isFullChunk, int bitmask, byte[] input, boolean checkForSky, boolean hasSkyLight) {
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int pos = 0;
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int expected = isFullChunk ? 256 : 0;
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boolean sky = false;
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ShortBuffer buf = ByteBuffer.wrap(input).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer();
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// 0 = Calculate expected length and determine if the packet has skylight.
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// 1 = Create chunks from mask and get blocks.
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// 2 = Get block light.
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// 3 = Get sky light.
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Chunk[] chunks = new Chunk[16];
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int chunkCount = 0;
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for (int pass = 0; pass < 4; pass++) {
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if(pass == 1){
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if(chunkCount == 0) return null;
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}
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for (int ind = 0; ind < 16; ind++) {
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if ((bitmask & 1 << ind) != 0) {
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if (pass == 0) {
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chunkCount++;
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// Block length + Blocklight length
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expected += (4096 * 2) + 2048;
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}
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if (pass == 1) {
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chunks[ind] = new Chunk(sky || hasSkyLight);
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buf.position(pos / 2);
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int buffPos = buf.position();
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// convert short array to new one
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for (int index = 0; index < 4096; index++) {
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short ss = buf.get(buffPos + index);
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// s is 16 bits, 12 bits id and 4 bits data
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int data = ss & 0xF;
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int id = (ss >> 4) << 4 | data;
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int newCombined = id; // test
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chunks[ind].getBlocks().set(index, newCombined);
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}
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pos += 4096 * 2;
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}
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if (pass == 2) {
|
||||
NibbleArray3d blocklight = chunks[ind].getBlockLight();
|
||||
System.arraycopy(input, pos, blocklight.getData(), 0, blocklight.getData().length);
|
||||
pos += blocklight.getData().length;
|
||||
}
|
||||
|
||||
if (pass == 3) {
|
||||
if (sky) {
|
||||
NibbleArray3d skylight = chunks[ind].getSkyLight();
|
||||
System.arraycopy(input, pos, skylight.getData(), 0, skylight.getData().length);
|
||||
pos += skylight.getData().length;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (pass == 0) {
|
||||
// If we have more data than blocks and blocklight combined, there must be skylight data as well.
|
||||
if (input.length > expected) {
|
||||
sky = checkForSky;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
byte biomeData[] = null;
|
||||
if (isFullChunk && (pos + 256 <= input.length)) {
|
||||
|
||||
biomeData = new byte[256];
|
||||
System.arraycopy(input, pos, biomeData, 0, biomeData.length);
|
||||
}
|
||||
|
||||
Column column = new Column(x, z, chunks, biomeData);
|
||||
return column;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user