use of com.viaversion.viaversion.rewriter.BlockRewriter 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);
}
use of com.viaversion.viaversion.rewriter.BlockRewriter in project ViaVersion by ViaVersion.
the class WorldPackets method register.
public static void register(Protocol1_16To1_15_2 protocol) {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
blockRewriter.registerBlockAction(ClientboundPackets1_15.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_15.BLOCK_CHANGE);
blockRewriter.registerMultiBlockChange(ClientboundPackets1_15.MULTI_BLOCK_CHANGE);
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_15.ACKNOWLEDGE_PLAYER_DIGGING);
protocol.registerClientbound(ClientboundPackets1_15.UPDATE_LIGHT, new PacketRemapper() {
@Override
public void registerMap() {
// x
map(Type.VAR_INT);
// y
map(Type.VAR_INT);
// Take neighbour's light into account as well
handler(wrapper -> wrapper.write(Type.BOOLEAN, true));
}
});
protocol.registerClientbound(ClientboundPackets1_15.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Chunk chunk = wrapper.read(new Chunk1_15Type());
wrapper.write(new Chunk1_16Type(), chunk);
chunk.setIgnoreOldLightData(chunk.isFullChunk());
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));
}
}
CompoundTag heightMaps = chunk.getHeightMap();
for (Tag heightMapTag : heightMaps.values()) {
LongArrayTag heightMap = (LongArrayTag) heightMapTag;
int[] heightMapData = new int[256];
CompactArrayUtil.iterateCompactArray(9, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = v);
heightMap.setValue(CompactArrayUtil.createCompactArrayWithPadding(9, heightMapData.length, i -> heightMapData[i]));
}
if (chunk.getBlockEntities() == null)
return;
for (CompoundTag blockEntity : chunk.getBlockEntities()) {
handleBlockEntity(blockEntity);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_15.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Position position = wrapper.passthrough(Type.POSITION1_14);
short action = wrapper.passthrough(Type.UNSIGNED_BYTE);
CompoundTag tag = wrapper.passthrough(Type.NBT);
handleBlockEntity(tag);
});
}
});
blockRewriter.registerEffect(ClientboundPackets1_15.EFFECT, 1010, 2001);
}
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