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Mirror von https://github.com/ViaVersion/ViaVersion.git synchronisiert 2024-12-27 00:22:51 +01:00

Stop depending on versions for the ChunkTypes. fix cast exceptions by using a ChunkType in front of it.

Dieser Commit ist enthalten in:
Matsv 2016-08-08 17:38:11 +02:00
Ursprung afca92d122
Commit f258cf8c89
7 geänderte Dateien mit 407 neuen und 55 gelöschten Zeilen

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@ -1,5 +1,9 @@
package us.myles.ViaVersion.api.minecraft.chunks;
import org.spacehq.opennbt.tag.builtin.CompoundTag;
import java.util.List;
public interface Chunk {
int getX();
@ -14,4 +18,6 @@ public interface Chunk {
byte[] getBiomeData();
int getBitmask();
List<CompoundTag> getBlockEntities();
}

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@ -11,11 +11,10 @@ import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.packets.State;
import us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks.BlockEntity;
import us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks.Chunk1_9_3_4;
import us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.types.Chunk1_9_3_4Type;
import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
public class Protocol1_9_1_2TO1_9_3_4 extends Protocol {
public static Type<Chunk> CHUNK = new Chunk1_9_3_4Type();
@Override
protected void registerPackets() {
@ -60,8 +59,50 @@ public class Protocol1_9_1_2TO1_9_3_4 extends Protocol {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Chunk chunk = wrapper.passthrough(CHUNK);
BlockEntity.handle(((Chunk1_9_3_4) chunk).getBlockEntities(), wrapper.user());
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
Chunk chunk = wrapper.passthrough(type);
BlockEntity.handle(chunk.getBlockEntities(), wrapper.user());
}
});
}
});
// Join (save dimension id)
registerOutgoing(State.PLAY, 0x23, 0x23, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Entity ID
map(Type.UNSIGNED_BYTE); // 1 - Gamemode
map(Type.INT); // 2 - Dimension
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.INT, 1);
clientChunks.setEnvironment(dimensionId);
}
});
}
});
// Respawn (save dimension id)
registerOutgoing(State.PLAY, 0x33, 0x33, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Dimension ID
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.INT, 0);
clientWorld.setEnvironment(dimensionId);
}
});
}
@ -70,6 +111,7 @@ public class Protocol1_9_1_2TO1_9_3_4 extends Protocol {
@Override
public void init(UserConnection userConnection) {
if (!userConnection.has(ClientWorld.class))
userConnection.put(new ClientWorld(userConnection));
}
}

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@ -15,15 +15,11 @@ public class Chunk1_9_3_4 implements Chunk {
private boolean groundUp;
private int bitmask;
private ChunkSection1_9_3_4[] sections;
List<CompoundTag> blockEntities;
private byte[] biomeData;
private List<CompoundTag> blockEntities;
@Override
public boolean isBiomeData() {
return false;
}
@Override
public byte[] getBiomeData() {
return new byte[0];
return biomeData != null;
}
}

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@ -1,41 +1,293 @@
package us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks;
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import lombok.Getter;
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_3_4 implements ChunkSection {
private final byte[] data;
/**
* 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.
*/
@Getter
private final List<Integer> palette = Lists.newArrayList();
private final int[] blocks;
private final NibbleArray blockLight;
private NibbleArray skyLight;
public ChunkSection1_9_3_4(byte[] data) {
this.data = data;
public ChunkSection1_9_3_4() {
this.blocks = new int[SIZE];
this.blockLight = new NibbleArray(SIZE);
palette.add(0); // AIR
}
public byte[] getData() {
return data;
/**
* 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 int getBlockId(int x, int y, int z) {
throw new UnsupportedOperationException("Invalid chunk type!");
int index = blocks[index(x, y, z)];
return palette.get(index) >> 4;
}
@Override
/**
* 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
*/
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);
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 {
throw new UnsupportedOperationException("Invalid chunk type!");
// 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) {
Type.LONG.write(output, l);
}
}
@Override
public void writeBlockLight(ByteBuf output) throws Exception {
throw new UnsupportedOperationException("Invalid chunk type!");
/**
* Write the block light to a buffer
*
* @param output The buffer to write to
*/
public void writeBlockLight(ByteBuf output) {
output.writeBytes(blockLight.getHandle());
}
@Override
/**
* 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() {
throw new UnsupportedOperationException("Invalid chunk type!");
return skyLight != null;
}
@Override
public void writeSkyLight(ByteBuf output) throws Exception {
throw new UnsupportedOperationException("Invalid chunk type!");
/**
* 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
ByteBuf buf = Unpooled.buffer();
Type.VAR_INT.write(buf, value);
buf.readerIndex(0);
int bitCount = buf.readableBytes();
buf.release();
return bitCount;
}
}

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@ -1,56 +1,102 @@
package us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.types;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.bukkit.World;
import org.spacehq.opennbt.tag.builtin.CompoundTag;
import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.type.PartialType;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
import us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks.Chunk1_9_3_4;
import us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks.ChunkSection1_9_3_4;
import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.BitSet;
import java.util.List;
public class Chunk1_9_3_4Type extends BaseChunkType {
public Chunk1_9_3_4Type() {
super("1.9.3 Chunk");
public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
public Chunk1_9_3_4Type(ClientWorld param) {
super(param, Chunk.class);
}
@Override
public Chunk read(ByteBuf input) throws Exception {
public Chunk read(ByteBuf input, ClientWorld world) throws Exception {
int chunkX = input.readInt();
int chunkZ = input.readInt();
boolean groundUp = input.readBoolean();
int primaryBitmask = Type.VAR_INT.read(input);
int size = Type.VAR_INT.read(input);
Type.VAR_INT.read(input);
byte[] sections = new byte[size];
input.readBytes(sections);
int blockEntities = Type.VAR_INT.read(input);
List<CompoundTag> nbtData = new ArrayList<>();
for (int i = 0; i < blockEntities; i++) {
nbtData.add(Type.NBT.read(input));
BitSet usedSections = new BitSet(16);
ChunkSection1_9_3_4[] sections = new ChunkSection1_9_3_4[16];
// Calculate section count from bitmask
for (int i = 0; i < 16; i++) {
if ((primaryBitmask & (1 << i)) != 0) {
usedSections.set(i);
}
}
return new Chunk1_9_3_4(chunkX, chunkZ, groundUp, primaryBitmask, new ChunkSection1_9_3_4[] {new ChunkSection1_9_3_4(sections)}, nbtData);
// Read sections
for (int i = 0; i < 16; i++) {
if (!usedSections.get(i)) continue; // Section not set
ChunkSection1_9_3_4 section = new ChunkSection1_9_3_4();
sections[i] = section;
section.readBlocks(input);
section.readBlockLight(input);
if (world.getEnvironment() == World.Environment.NORMAL) {
section.readSkyLight(input);
}
}
byte[] biomeData = groundUp ? new byte[256] : null;
if (groundUp) {
input.readBytes(biomeData);
}
List<CompoundTag> nbtData = Arrays.asList(Type.NBT_ARRAY.read(input));
return new Chunk1_9_3_4(chunkX, chunkZ, groundUp, primaryBitmask, sections, biomeData, nbtData);
}
@Override
public void write(ByteBuf buffer, Chunk input) throws Exception {
if (!(input instanceof Chunk1_9_3_4))
throw new Exception("Tried to send the wrong chunk type from 1.9.3-4 chunk: " + input.getClass());
Chunk1_9_3_4 chunk = (Chunk1_9_3_4) input;
public void write(ByteBuf output, ClientWorld world, Chunk chunk) throws Exception {
output.writeInt(chunk.getX());
output.writeInt(chunk.getZ());
buffer.writeInt(chunk.getX());
buffer.writeInt(chunk.getZ());
output.writeBoolean(chunk.isGroundUp());
Type.VAR_INT.write(output, chunk.getBitmask());
buffer.writeBoolean(chunk.isGroundUp());
Type.VAR_INT.write(buffer, chunk.getBitmask());
ByteBuf buf = Unpooled.buffer();
for (int i = 0; i < 16; i++) {
ChunkSection section = chunk.getSections()[i];
if (section == null) continue; // Section not set
section.writeBlocks(buf);
section.writeBlockLight(buf);
Type.VAR_INT.write(buffer, chunk.getSections()[0].getData().length);
buffer.writeBytes(chunk.getSections()[0].getData());
if (!section.hasSkyLight()) continue; // No sky light, we're done here.
section.writeSkyLight(buf);
// no block entities as it's earlier
}
buf.readerIndex(0);
Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 256 : 0));
output.writeBytes(buf);
buf.release(); // release buffer
// Write biome data
if (chunk.isBiomeData()) {
output.writeBytes(chunk.getBiomeData());
}
// Don't write block entities
}
@Override
public Class<? extends Type> getBaseClass() {
return BaseChunkType.class;
}
}

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@ -142,6 +142,7 @@ public class Protocol1_9_3TO1_9_1_2 extends Protocol {
@Override
public void init(UserConnection user) {
user.put(new ClientWorld(user));
if (!user.has(ClientWorld.class))
user.put(new ClientWorld(user));
}
}

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@ -3,8 +3,12 @@ package us.myles.ViaVersion.protocols.protocol1_9to1_8.chunks;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.ToString;
import org.spacehq.opennbt.tag.builtin.CompoundTag;
import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
import java.util.Collections;
import java.util.List;
@RequiredArgsConstructor
@Getter
@ToString
@ -46,4 +50,9 @@ public class Chunk1_9to1_8 implements Chunk {
public int getBitmask() {
return primaryBitmask;
}
@Override
public List<CompoundTag> getBlockEntities() {
return Collections.emptyList();
}
}