use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type in project ViaBackwards by ViaVersion.
the class BlockItemPackets1_17 method registerPackets.
@Override
protected void registerPackets() {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_17.DECLARE_RECIPES);
registerSetCooldown(ClientboundPackets1_17.COOLDOWN);
registerWindowItems(ClientboundPackets1_17.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
registerSetSlot(ClientboundPackets1_17.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
registerEntityEquipmentArray(ClientboundPackets1_17.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
registerTradeList(ClientboundPackets1_17.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
registerAdvancements(ClientboundPackets1_17.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_17.ACKNOWLEDGE_PLAYER_DIGGING);
blockRewriter.registerBlockAction(ClientboundPackets1_17.BLOCK_ACTION);
blockRewriter.registerEffect(ClientboundPackets1_17.EFFECT, 1010, 2001);
registerCreativeInvAction(ServerboundPackets1_16_2.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
protocol.registerServerbound(ServerboundPackets1_16_2.EDIT_BOOK, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
}
});
// TODO This will cause desync issues for players under certain circumstances, but mostly works:tm:
protocol.registerServerbound(ServerboundPackets1_16_2.CLICK_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// Window Id
map(Type.UNSIGNED_BYTE);
// Slot
map(Type.SHORT);
// Button
map(Type.BYTE);
// Action id - removed
map(Type.SHORT, Type.NOTHING);
// Mode
map(Type.VAR_INT);
handler(wrapper -> {
// The 1.17 client would check the entire inventory for changes before -> after a click and send the changed slots here
// Empty array of slot+item
wrapper.write(Type.VAR_INT, 0);
// Expected is the carried item after clicking, old clients send the clicked one (*mostly* being the same)
handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
});
}
});
protocol.registerServerbound(ServerboundPackets1_16_2.WINDOW_CONFIRMATION, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.cancel();
if (!ViaBackwards.getConfig().handlePingsAsInvAcknowledgements()) {
return;
}
// Handle ping packet replacement
short inventoryId = wrapper.read(Type.UNSIGNED_BYTE);
short confirmationId = wrapper.read(Type.SHORT);
boolean accepted = wrapper.read(Type.BOOLEAN);
if (inventoryId == 0 && accepted && wrapper.user().get(PingRequests.class).removeId(confirmationId)) {
PacketWrapper pongPacket = wrapper.create(ServerboundPackets1_17.PONG);
pongPacket.write(Type.INT, (int) confirmationId);
pongPacket.sendToServer(Protocol1_16_4To1_17.class);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_17.SPAWN_PARTICLE, new PacketRemapper() {
@Override
public void registerMap() {
// Particle id
map(Type.INT);
// Long distance
map(Type.BOOLEAN);
// X
map(Type.DOUBLE);
// Y
map(Type.DOUBLE);
// Z
map(Type.DOUBLE);
// Offset X
map(Type.FLOAT);
// Offset Y
map(Type.FLOAT);
// Offset Z
map(Type.FLOAT);
// Particle data
map(Type.FLOAT);
// Particle count
map(Type.INT);
handler(wrapper -> {
int id = wrapper.get(Type.INT, 0);
if (id == 16) {
// R
wrapper.passthrough(Type.FLOAT);
// G
wrapper.passthrough(Type.FLOAT);
// B
wrapper.passthrough(Type.FLOAT);
// Scale
wrapper.passthrough(Type.FLOAT);
// Dust color transition -> Dust
// R
wrapper.read(Type.FLOAT);
// G
wrapper.read(Type.FLOAT);
// B
wrapper.read(Type.FLOAT);
} else if (id == 37) {
// Vibration signal - no nice mapping possible without tracking entity positions and doing particle tasks
wrapper.set(Type.INT, 0, -1);
wrapper.cancel();
}
});
handler(getSpawnParticleHandler(Type.FLAT_VAR_INT_ITEM));
}
});
protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_SIZE, ClientboundPackets1_16_2.WORLD_BORDER, 0);
protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_LERP_SIZE, ClientboundPackets1_16_2.WORLD_BORDER, 1);
protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_CENTER, ClientboundPackets1_16_2.WORLD_BORDER, 2);
protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_INIT, ClientboundPackets1_16_2.WORLD_BORDER, 3);
protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_WARNING_DELAY, ClientboundPackets1_16_2.WORLD_BORDER, 4);
protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_WARNING_DISTANCE, ClientboundPackets1_16_2.WORLD_BORDER, 5);
// The Great Shrunkening
// Chunk sections *will* be lost ¯\_(ツ)_/¯
protocol.registerClientbound(ClientboundPackets1_17.UPDATE_LIGHT, new PacketRemapper() {
@Override
public void registerMap() {
// X
map(Type.VAR_INT);
// Z
map(Type.VAR_INT);
// Trust edges
map(Type.BOOLEAN);
handler(wrapper -> {
EntityTracker tracker = wrapper.user().getEntityTracker(Protocol1_16_4To1_17.class);
int startFromSection = Math.max(0, -(tracker.currentMinY() >> 4));
long[] skyLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
long[] blockLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
int cutSkyLightMask = cutLightMask(skyLightMask, startFromSection);
int cutBlockLightMask = cutLightMask(blockLightMask, startFromSection);
wrapper.write(Type.VAR_INT, cutSkyLightMask);
wrapper.write(Type.VAR_INT, cutBlockLightMask);
long[] emptySkyLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
long[] emptyBlockLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
wrapper.write(Type.VAR_INT, cutLightMask(emptySkyLightMask, startFromSection));
wrapper.write(Type.VAR_INT, cutLightMask(emptyBlockLightMask, startFromSection));
writeLightArrays(wrapper, BitSet.valueOf(skyLightMask), cutSkyLightMask, startFromSection, tracker.currentWorldSectionHeight());
writeLightArrays(wrapper, BitSet.valueOf(blockLightMask), cutBlockLightMask, startFromSection, tracker.currentWorldSectionHeight());
});
}
private void writeLightArrays(PacketWrapper wrapper, BitSet bitMask, int cutBitMask, int startFromSection, int sectionHeight) throws Exception {
// Length - throw it away
wrapper.read(Type.VAR_INT);
List<byte[]> light = new ArrayList<>();
// Remove lower bounds
for (int i = 0; i < startFromSection; i++) {
if (bitMask.get(i)) {
wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
}
}
// Add the important 18 sections
for (int i = 0; i < 18; i++) {
if (isSet(cutBitMask, i)) {
light.add(wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
}
}
// Remove upper bounds
for (int i = startFromSection + 18; i < sectionHeight + 2; i++) {
if (bitMask.get(i)) {
wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
}
}
// Aaand we're done
for (byte[] bytes : light) {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, bytes);
}
}
private boolean isSet(int mask, int i) {
return (mask & (1 << i)) != 0;
}
});
protocol.registerClientbound(ClientboundPackets1_17.MULTI_BLOCK_CHANGE, new PacketRemapper() {
public void registerMap() {
// Chunk pos
map(Type.LONG);
// Suppress light updates
map(Type.BOOLEAN);
handler((wrapper) -> {
// Remove sections below y 0 and above 255
long chunkPos = wrapper.get(Type.LONG, 0);
int chunkY = (int) (chunkPos << 44 >> 44);
if (chunkY < 0 || chunkY > 15) {
wrapper.cancel();
return;
}
BlockChangeRecord[] records = wrapper.passthrough(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY);
for (BlockChangeRecord record : records) {
record.setBlockId(protocol.getMappingData().getNewBlockStateId(record.getBlockId()));
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_17.BLOCK_CHANGE, new PacketRemapper() {
public void registerMap() {
map(Type.POSITION1_14);
map(Type.VAR_INT);
handler((wrapper) -> {
int y = wrapper.get(Type.POSITION1_14, 0).getY();
if (y < 0 || y > 255) {
wrapper.cancel();
return;
}
wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(wrapper.get(Type.VAR_INT, 0)));
});
}
});
protocol.registerClientbound(ClientboundPackets1_17.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
EntityTracker tracker = wrapper.user().getEntityTracker(Protocol1_16_4To1_17.class);
int currentWorldSectionHeight = tracker.currentWorldSectionHeight();
Chunk chunk = wrapper.read(new Chunk1_17Type(currentWorldSectionHeight));
wrapper.write(new Chunk1_16_2Type(), chunk);
// Cut sections
int startFromSection = Math.max(0, -(tracker.currentMinY() >> 4));
chunk.setBiomeData(Arrays.copyOfRange(chunk.getBiomeData(), startFromSection * 64, (startFromSection * 64) + 1024));
chunk.setBitmask(cutMask(chunk.getChunkMask(), startFromSection, false));
chunk.setChunkMask(null);
ChunkSection[] sections = Arrays.copyOfRange(chunk.getSections(), startFromSection, startFromSection + 16);
chunk.setSections(sections);
CompoundTag heightMaps = chunk.getHeightMap();
for (Tag heightMapTag : heightMaps.values()) {
LongArrayTag heightMap = (LongArrayTag) heightMapTag;
int[] heightMapData = new int[256];
int bitsPerEntry = MathUtil.ceilLog2((currentWorldSectionHeight << 4) + 1);
// Shift back to 0 based and clamp to normal height with 9 bits
CompactArrayUtil.iterateCompactArrayWithPadding(bitsPerEntry, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = MathUtil.clamp(v + tracker.currentMinY(), 0, 255));
heightMap.setValue(CompactArrayUtil.createCompactArrayWithPadding(9, heightMapData.length, i -> heightMapData[i]));
}
for (int i = 0; i < 16; i++) {
ChunkSection section = sections[i];
if (section == null)
continue;
for (int j = 0; j < section.getPaletteSize(); j++) {
int old = section.getPaletteEntry(j);
section.setPaletteEntry(j, protocol.getMappingData().getNewBlockStateId(old));
}
}
chunk.getBlockEntities().removeIf(compound -> {
NumberTag tag = compound.get("y");
return tag != null && tag.asInt() < 0;
});
});
}
});
protocol.registerClientbound(ClientboundPackets1_17.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
int y = wrapper.passthrough(Type.POSITION1_14).getY();
if (y < 0 || y > 255) {
wrapper.cancel();
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_17.BLOCK_BREAK_ANIMATION, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
handler(wrapper -> {
int y = wrapper.passthrough(Type.POSITION1_14).getY();
if (y < 0 || y > 255) {
wrapper.cancel();
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_17.MAP_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// Map ID
map(Type.VAR_INT);
// Scale
map(Type.BYTE);
// Tracking position
handler(wrapper -> wrapper.write(Type.BOOLEAN, true));
// Locked
map(Type.BOOLEAN);
handler(wrapper -> {
boolean hasMarkers = wrapper.read(Type.BOOLEAN);
if (!hasMarkers) {
// Array size
wrapper.write(Type.VAR_INT, 0);
} else {
MapColorRewriter.getRewriteHandler(MapColorRewrites::getMappedColor).handle(wrapper);
}
});
}
});
}
use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type in project ViaBackwards by ViaVersion.
the class BlockItemPackets1_16_2 method registerPackets.
@Override
protected void registerPackets() {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_16_2.DECLARE_RECIPES);
registerSetCooldown(ClientboundPackets1_16_2.COOLDOWN);
registerWindowItems(ClientboundPackets1_16_2.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
registerSetSlot(ClientboundPackets1_16_2.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
registerEntityEquipmentArray(ClientboundPackets1_16_2.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
registerTradeList(ClientboundPackets1_16_2.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
registerAdvancements(ClientboundPackets1_16_2.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
protocol.registerClientbound(ClientboundPackets1_16_2.UNLOCK_RECIPES, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.passthrough(Type.VAR_INT);
// Open
wrapper.passthrough(Type.BOOLEAN);
// Filter
wrapper.passthrough(Type.BOOLEAN);
// Furnace Open
wrapper.passthrough(Type.BOOLEAN);
// Filter furnace
wrapper.passthrough(Type.BOOLEAN);
// Blast furnace / smoker
wrapper.read(Type.BOOLEAN);
wrapper.read(Type.BOOLEAN);
wrapper.read(Type.BOOLEAN);
wrapper.read(Type.BOOLEAN);
});
}
});
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16_2.ACKNOWLEDGE_PLAYER_DIGGING);
blockRewriter.registerBlockAction(ClientboundPackets1_16_2.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_16_2.BLOCK_CHANGE);
protocol.registerClientbound(ClientboundPackets1_16_2.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Chunk chunk = wrapper.read(new Chunk1_16_2Type());
wrapper.write(new Chunk1_16Type(), chunk);
chunk.setIgnoreOldLightData(true);
for (int i = 0; i < chunk.getSections().length; i++) {
ChunkSection section = chunk.getSections()[i];
if (section == null)
continue;
for (int j = 0; j < section.getPaletteSize(); j++) {
int old = section.getPaletteEntry(j);
section.setPaletteEntry(j, protocol.getMappingData().getNewBlockStateId(old));
}
}
for (CompoundTag blockEntity : chunk.getBlockEntities()) {
if (blockEntity != null) {
handleBlockEntity(blockEntity);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_16_2.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.POSITION1_14);
map(Type.UNSIGNED_BYTE);
handler(wrapper -> {
handleBlockEntity(wrapper.passthrough(Type.NBT));
});
}
});
protocol.registerClientbound(ClientboundPackets1_16_2.MULTI_BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
long chunkPosition = wrapper.read(Type.LONG);
// Ignore old light data
wrapper.read(Type.BOOLEAN);
int chunkX = (int) (chunkPosition >> 42);
int chunkY = (int) (chunkPosition << 44 >> 44);
int chunkZ = (int) (chunkPosition << 22 >> 42);
wrapper.write(Type.INT, chunkX);
wrapper.write(Type.INT, chunkZ);
BlockChangeRecord[] blockChangeRecord = wrapper.read(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY);
wrapper.write(Type.BLOCK_CHANGE_RECORD_ARRAY, blockChangeRecord);
for (int i = 0; i < blockChangeRecord.length; i++) {
BlockChangeRecord record = blockChangeRecord[i];
int blockId = protocol.getMappingData().getNewBlockStateId(record.getBlockId());
// Relative y -> absolute y
blockChangeRecord[i] = new BlockChangeRecord1_8(record.getSectionX(), record.getY(chunkY), record.getSectionZ(), blockId);
}
});
}
});
blockRewriter.registerEffect(ClientboundPackets1_16_2.EFFECT, 1010, 2001);
registerSpawnParticle(ClientboundPackets1_16_2.SPAWN_PARTICLE, Type.FLAT_VAR_INT_ITEM, Type.DOUBLE);
registerClickWindow(ServerboundPackets1_16.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
registerCreativeInvAction(ServerboundPackets1_16.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
protocol.registerServerbound(ServerboundPackets1_16.EDIT_BOOK, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
}
});
}
use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type in project ViaVersion by ViaVersion.
the class WorldPackets method register.
public static void register(Protocol protocol) {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
blockRewriter.registerBlockAction(ClientboundPackets1_16.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_16.BLOCK_CHANGE);
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16.ACKNOWLEDGE_PLAYER_DIGGING);
protocol.registerClientbound(ClientboundPackets1_16.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Chunk chunk = wrapper.read(new Chunk1_16Type());
wrapper.write(new Chunk1_16_2Type(), chunk);
for (int s = 0; s < chunk.getSections().length; s++) {
ChunkSection section = chunk.getSections()[s];
if (section == null)
continue;
for (int i = 0; i < section.getPaletteSize(); i++) {
int old = section.getPaletteEntry(i);
section.setPaletteEntry(i, protocol.getMappingData().getNewBlockStateId(old));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_16.MULTI_BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.cancel();
int chunkX = wrapper.read(Type.INT);
int chunkZ = wrapper.read(Type.INT);
long chunkPosition = 0;
chunkPosition |= (chunkX & 0x3FFFFFL) << 42;
chunkPosition |= (chunkZ & 0x3FFFFFL) << 20;
List<BlockChangeRecord>[] sectionRecords = new List[16];
BlockChangeRecord[] blockChangeRecord = wrapper.read(Type.BLOCK_CHANGE_RECORD_ARRAY);
for (BlockChangeRecord record : blockChangeRecord) {
int chunkY = record.getY() >> 4;
List<BlockChangeRecord> list = sectionRecords[chunkY];
if (list == null) {
sectionRecords[chunkY] = (list = new ArrayList<>());
}
// Absolute y -> relative chunk section y
int blockId = protocol.getMappingData().getNewBlockStateId(record.getBlockId());
list.add(new BlockChangeRecord1_16_2(record.getSectionX(), record.getSectionY(), record.getSectionZ(), blockId));
}
// Now send separate packets for the different chunk sections
for (int chunkY = 0; chunkY < sectionRecords.length; chunkY++) {
List<BlockChangeRecord> sectionRecord = sectionRecords[chunkY];
if (sectionRecord == null)
continue;
PacketWrapper newPacket = wrapper.create(ClientboundPackets1_16_2.MULTI_BLOCK_CHANGE);
newPacket.write(Type.LONG, chunkPosition | (chunkY & 0xFFFFFL));
// Ignore light updates
newPacket.write(Type.BOOLEAN, false);
newPacket.write(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY, sectionRecord.toArray(EMPTY_RECORDS));
newPacket.send(Protocol1_16_2To1_16_1.class);
}
});
}
});
blockRewriter.registerEffect(ClientboundPackets1_16.EFFECT, 1010, 2001);
}
use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type in project ViaVersion by ViaVersion.
the class WorldPackets method register.
public static void register(Protocol1_17To1_16_4 protocol) {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
blockRewriter.registerBlockAction(ClientboundPackets1_16_2.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_16_2.BLOCK_CHANGE);
blockRewriter.registerVarLongMultiBlockChange(ClientboundPackets1_16_2.MULTI_BLOCK_CHANGE);
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16_2.ACKNOWLEDGE_PLAYER_DIGGING);
protocol.registerClientbound(ClientboundPackets1_16_2.WORLD_BORDER, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Border packet actions have been split into individual packets (the content hasn't changed)
int type = wrapper.read(Type.VAR_INT);
ClientboundPacketType packetType;
switch(type) {
case 0:
packetType = ClientboundPackets1_17.WORLD_BORDER_SIZE;
break;
case 1:
packetType = ClientboundPackets1_17.WORLD_BORDER_LERP_SIZE;
break;
case 2:
packetType = ClientboundPackets1_17.WORLD_BORDER_CENTER;
break;
case 3:
packetType = ClientboundPackets1_17.WORLD_BORDER_INIT;
break;
case 4:
packetType = ClientboundPackets1_17.WORLD_BORDER_WARNING_DELAY;
break;
case 5:
packetType = ClientboundPackets1_17.WORLD_BORDER_WARNING_DISTANCE;
break;
default:
throw new IllegalArgumentException("Invalid world border type received: " + type);
}
wrapper.setId(packetType.getId());
});
}
});
protocol.registerClientbound(ClientboundPackets1_16_2.UPDATE_LIGHT, new PacketRemapper() {
@Override
public void registerMap() {
// x
map(Type.VAR_INT);
// y
map(Type.VAR_INT);
// trust edges
map(Type.BOOLEAN);
handler(wrapper -> {
int skyLightMask = wrapper.read(Type.VAR_INT);
int blockLightMask = wrapper.read(Type.VAR_INT);
// Now all written as a representation of BitSets
// Sky light mask
wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(skyLightMask));
// Block light mask
wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(blockLightMask));
// Empty sky light mask
wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(wrapper.read(Type.VAR_INT)));
// Empty block light mask
wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(wrapper.read(Type.VAR_INT)));
writeLightArrays(wrapper, skyLightMask);
writeLightArrays(wrapper, blockLightMask);
});
}
private void writeLightArrays(PacketWrapper wrapper, int bitMask) throws Exception {
List<byte[]> light = new ArrayList<>();
for (int i = 0; i < 18; i++) {
if (isSet(bitMask, i)) {
light.add(wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
}
}
// Now needs the length of the bytearray-array
wrapper.write(Type.VAR_INT, light.size());
for (byte[] bytes : light) {
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, bytes);
}
}
private long[] toBitSetLongArray(int bitmask) {
return new long[] { bitmask };
}
private boolean isSet(int mask, int i) {
return (mask & (1 << i)) != 0;
}
});
protocol.registerClientbound(ClientboundPackets1_16_2.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Chunk chunk = wrapper.read(new Chunk1_16_2Type());
if (!chunk.isFullChunk()) {
// All chunks are full chunk packets now (1.16 already stopped sending non-full chunks)
// Construct multi block change packets instead
// Height map updates are lost (unless we want to fully cache and resend entire chunks)
// Block entities are always empty for non-full chunks in Vanilla
writeMultiBlockChangePacket(wrapper, chunk);
wrapper.cancel();
return;
}
// Normal full chunk writing
wrapper.write(new Chunk1_17Type(chunk.getSections().length), chunk);
// 1.17 uses a bitset for the mask
chunk.setChunkMask(BitSet.valueOf(new long[] { chunk.getBitmask() }));
for (int s = 0; s < chunk.getSections().length; s++) {
ChunkSection section = chunk.getSections()[s];
if (section == null)
continue;
for (int i = 0; i < section.getPaletteSize(); i++) {
int old = section.getPaletteEntry(i);
section.setPaletteEntry(i, protocol.getMappingData().getNewBlockStateId(old));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_16_2.JOIN_GAME, new PacketRemapper() {
@Override
public void registerMap() {
// Entity ID
map(Type.INT);
// Hardcore
map(Type.BOOLEAN);
// Gamemode
map(Type.UNSIGNED_BYTE);
// Previous Gamemode
map(Type.BYTE);
// World List
map(Type.STRING_ARRAY);
// Registry
map(Type.NBT);
// Current dimension
map(Type.NBT);
handler(wrapper -> {
// Add new dimension fields
CompoundTag dimensionRegistry = wrapper.get(Type.NBT, 0).get("minecraft:dimension_type");
ListTag dimensions = dimensionRegistry.get("value");
for (Tag dimension : dimensions) {
CompoundTag dimensionCompound = ((CompoundTag) dimension).get("element");
addNewDimensionData(dimensionCompound);
}
CompoundTag currentDimensionTag = wrapper.get(Type.NBT, 1);
addNewDimensionData(currentDimensionTag);
UserConnection user = wrapper.user();
user.getEntityTracker(Protocol1_17To1_16_4.class).addEntity(wrapper.get(Type.INT, 0), Entity1_17Types.PLAYER);
});
}
});
protocol.registerClientbound(ClientboundPackets1_16_2.RESPAWN, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
CompoundTag dimensionData = wrapper.passthrough(Type.NBT);
addNewDimensionData(dimensionData);
});
}
});
blockRewriter.registerEffect(ClientboundPackets1_16_2.EFFECT, 1010, 2001);
}
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