use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaBackwards by ViaVersion.
the class BlockItemPackets1_15 method registerPackets.
@Override
protected void registerPackets() {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
new RecipeRewriter1_14(protocol).registerDefaultHandler(ClientboundPackets1_15.DECLARE_RECIPES);
protocol.registerServerbound(ServerboundPackets1_14.EDIT_BOOK, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
}
});
registerSetCooldown(ClientboundPackets1_15.COOLDOWN);
registerWindowItems(ClientboundPackets1_15.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
registerSetSlot(ClientboundPackets1_15.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
registerTradeList(ClientboundPackets1_15.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
registerEntityEquipment(ClientboundPackets1_15.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
registerAdvancements(ClientboundPackets1_15.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
registerClickWindow(ServerboundPackets1_14.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
registerCreativeInvAction(ServerboundPackets1_14.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_15.ACKNOWLEDGE_PLAYER_DIGGING);
blockRewriter.registerBlockAction(ClientboundPackets1_15.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_15.BLOCK_CHANGE);
blockRewriter.registerMultiBlockChange(ClientboundPackets1_15.MULTI_BLOCK_CHANGE);
protocol.registerClientbound(ClientboundPackets1_15.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Chunk chunk = wrapper.read(new Chunk1_15Type());
wrapper.write(new Chunk1_14Type(), chunk);
if (chunk.isFullChunk()) {
int[] biomeData = chunk.getBiomeData();
int[] newBiomeData = new int[256];
for (int i = 0; i < 4; ++i) {
for (int j = 0; j < 4; ++j) {
int x = j << 2;
int z = i << 2;
int newIndex = z << 4 | x;
int oldIndex = i << 2 | j;
int biome = biomeData[oldIndex];
for (int k = 0; k < 4; k++) {
int offX = newIndex + (k << 4);
for (int l = 0; l < 4; l++) {
newBiomeData[offX + l] = biome;
}
}
}
}
chunk.setBiomeData(newBiomeData);
}
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);
int newId = protocol.getMappingData().getNewBlockStateId(old);
section.setPaletteEntry(j, newId);
}
}
}
});
}
});
blockRewriter.registerEffect(ClientboundPackets1_15.EFFECT, 1010, 2001);
protocol.registerClientbound(ClientboundPackets1_15.SPAWN_PARTICLE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Particle ID
map(Type.INT);
// 1 - Long Distance
map(Type.BOOLEAN);
// 2 - X
map(Type.DOUBLE, Type.FLOAT);
// 3 - Y
map(Type.DOUBLE, Type.FLOAT);
// 4 - Z
map(Type.DOUBLE, Type.FLOAT);
// 5 - Offset X
map(Type.FLOAT);
// 6 - Offset Y
map(Type.FLOAT);
// 7 - Offset Z
map(Type.FLOAT);
// 8 - Particle Data
map(Type.FLOAT);
// 9 - Particle Count
map(Type.INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
if (id == 3 || id == 23) {
int data = wrapper.passthrough(Type.VAR_INT);
wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(data));
} else if (id == 32) {
Item item = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));
wrapper.write(Type.FLAT_VAR_INT_ITEM, item);
}
int mappedId = protocol.getMappingData().getNewParticleId(id);
if (id != mappedId) {
wrapper.set(Type.INT, 0, mappedId);
}
}
});
}
});
}
use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaBackwards by ViaVersion.
the class BlockItemPackets1_18 method registerPackets.
@Override
protected void registerPackets() {
new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_18.DECLARE_RECIPES);
registerSetCooldown(ClientboundPackets1_18.COOLDOWN);
registerWindowItems1_17_1(ClientboundPackets1_18.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, Type.FLAT_VAR_INT_ITEM);
registerSetSlot1_17_1(ClientboundPackets1_18.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
registerEntityEquipmentArray(ClientboundPackets1_18.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
registerTradeList(ClientboundPackets1_18.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
registerAdvancements(ClientboundPackets1_18.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
registerClickWindow1_17_1(ServerboundPackets1_17.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
protocol.registerClientbound(ClientboundPackets1_18.EFFECT, new PacketRemapper() {
@Override
public void registerMap() {
// Effect id
map(Type.INT);
// Location
map(Type.POSITION1_14);
// Data
map(Type.INT);
handler(wrapper -> {
int id = wrapper.get(Type.INT, 0);
int data = wrapper.get(Type.INT, 1);
if (id == 1010) {
// Play record
wrapper.set(Type.INT, 1, protocol.getMappingData().getNewItemId(data));
}
});
}
});
registerCreativeInvAction(ServerboundPackets1_17.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
protocol.registerClientbound(ClientboundPackets1_18.SPAWN_PARTICLE, new PacketRemapper() {
@Override
public void registerMap() {
// Particle id
map(Type.INT);
// Override limiter
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);
// Max speed
map(Type.FLOAT);
// Particle Count
map(Type.INT);
handler(wrapper -> {
int id = wrapper.get(Type.INT, 0);
if (id == 3) {
// Block marker
int blockState = wrapper.read(Type.VAR_INT);
if (blockState == 7786) {
// Light block
wrapper.set(Type.INT, 0, 3);
} else {
// Else assume barrier block
wrapper.set(Type.INT, 0, 2);
}
return;
}
ParticleMappings mappings = protocol.getMappingData().getParticleMappings();
if (mappings.isBlockParticle(id)) {
int data = wrapper.passthrough(Type.VAR_INT);
wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(data));
} else if (mappings.isItemParticle(id)) {
handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
}
int newId = protocol.getMappingData().getNewParticleId(id);
if (newId != id) {
wrapper.set(Type.INT, 0, newId);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_18.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.POSITION1_14);
handler(wrapper -> {
final int id = wrapper.read(Type.VAR_INT);
final CompoundTag tag = wrapper.read(Type.NBT);
final int mappedId = BlockEntityIds.mappedId(id);
if (mappedId == -1) {
wrapper.cancel();
return;
}
final String identifier = protocol.getMappingData().blockEntities().get(id);
if (identifier == null) {
wrapper.cancel();
return;
}
// The 1.18 server doesn't include the id and positions (x, y, z) in the NBT anymore
// If those were the only fields on the block entity (e.g.: skull, bed), we'll receive a null NBT
// We initialize one and add the missing fields, so it can be handled correctly down the line
final CompoundTag newTag = tag == null ? new CompoundTag() : tag;
final Position pos = wrapper.get(Type.POSITION1_14, 0);
// The protocol converters downstream rely on this field, let's add it back
newTag.put("id", new StringTag("minecraft:" + identifier));
// Weird glitches happen with the 1.17 client and below if these fields are missing
// Some examples are block entity models becoming invisible (e.g.: signs, banners)
newTag.put("x", new IntTag(pos.x()));
newTag.put("y", new IntTag(pos.y()));
newTag.put("z", new IntTag(pos.z()));
handleSpawner(id, newTag);
wrapper.write(Type.UNSIGNED_BYTE, (short) mappedId);
wrapper.write(Type.NBT, newTag);
});
}
});
protocol.registerClientbound(ClientboundPackets1_18.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
final EntityTracker tracker = protocol.getEntityRewriter().tracker(wrapper.user());
final Chunk1_18Type chunkType = new Chunk1_18Type(tracker.currentWorldSectionHeight(), MathUtil.ceilLog2(protocol.getMappingData().getBlockStateMappings().size()), MathUtil.ceilLog2(tracker.biomesSent()));
final Chunk oldChunk = wrapper.read(chunkType);
final ChunkSection[] sections = oldChunk.getSections();
final BitSet mask = new BitSet(oldChunk.getSections().length);
final int[] biomeData = new int[sections.length * ChunkSection.BIOME_SIZE];
int biomeIndex = 0;
for (int j = 0; j < sections.length; j++) {
final ChunkSection section = sections[j];
// Write biome palette into biome array
final DataPalette biomePalette = section.palette(PaletteType.BIOMES);
for (int i = 0; i < ChunkSection.BIOME_SIZE; i++) {
biomeData[biomeIndex++] = biomePalette.idAt(i);
}
// Rewrite to empty section
if (section.getNonAirBlocksCount() == 0) {
sections[j] = null;
} else {
mask.set(j);
}
}
final List<CompoundTag> blockEntityTags = new ArrayList<>(oldChunk.blockEntities().size());
for (final BlockEntity blockEntity : oldChunk.blockEntities()) {
final String id = protocol.getMappingData().blockEntities().get(blockEntity.typeId());
if (id == null) {
// Shrug
continue;
}
final CompoundTag tag;
if (blockEntity.tag() != null) {
tag = blockEntity.tag();
handleSpawner(blockEntity.typeId(), tag);
} else {
tag = new CompoundTag();
}
blockEntityTags.add(tag);
tag.put("x", new IntTag((oldChunk.getX() << 4) + blockEntity.sectionX()));
tag.put("y", new IntTag(blockEntity.y()));
tag.put("z", new IntTag((oldChunk.getZ() << 4) + blockEntity.sectionZ()));
tag.put("id", new StringTag("minecraft:" + id));
}
final Chunk chunk = new BaseChunk(oldChunk.getX(), oldChunk.getZ(), true, false, mask, oldChunk.getSections(), biomeData, oldChunk.getHeightMap(), blockEntityTags);
wrapper.write(new Chunk1_17Type(tracker.currentWorldSectionHeight()), chunk);
// Create and send light packet first
final PacketWrapper lightPacket = wrapper.create(ClientboundPackets1_17_1.UPDATE_LIGHT);
lightPacket.write(Type.VAR_INT, chunk.getX());
lightPacket.write(Type.VAR_INT, chunk.getZ());
// Trust edges
lightPacket.write(Type.BOOLEAN, wrapper.read(Type.BOOLEAN));
// Sky light mask
lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
// Block light mask
lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
// Empty sky light mask
lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
// Empty block light mask
lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
final int skyLightLength = wrapper.read(Type.VAR_INT);
lightPacket.write(Type.VAR_INT, skyLightLength);
for (int i = 0; i < skyLightLength; i++) {
lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
}
final int blockLightLength = wrapper.read(Type.VAR_INT);
lightPacket.write(Type.VAR_INT, blockLightLength);
for (int i = 0; i < blockLightLength; i++) {
lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
}
lightPacket.send(Protocol1_17_1To1_18.class);
});
}
});
protocol.cancelClientbound(ClientboundPackets1_18.SET_SIMULATION_DISTANCE);
}
use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaBackwards by ViaVersion.
the class EntityPackets1_13_1 method registerPackets.
@Override
protected void registerPackets() {
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity id
map(Type.VAR_INT);
// 1 - UUID
map(Type.UUID);
// 2 - Type
map(Type.BYTE);
// 3 - X
map(Type.DOUBLE);
// 4 - Y
map(Type.DOUBLE);
// 5 - Z
map(Type.DOUBLE);
// 6 - Pitch
map(Type.BYTE);
// 7 - Yaw
map(Type.BYTE);
// 8 - Data
map(Type.INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int entityId = wrapper.get(Type.VAR_INT, 0);
byte type = wrapper.get(Type.BYTE, 0);
Entity1_13Types.EntityType entType = Entity1_13Types.getTypeFromId(type, true);
if (entType == null) {
ViaBackwards.getPlatform().getLogger().warning("Could not find 1.13 entity type " + type);
return;
}
// Rewrite falling block
if (entType.is(Entity1_13Types.EntityType.FALLING_BLOCK)) {
int data = wrapper.get(Type.INT, 0);
wrapper.set(Type.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
}
// Track Entity
tracker(wrapper.user()).addEntity(entityId, entType);
}
});
}
});
registerTracker(ClientboundPackets1_13.SPAWN_EXPERIENCE_ORB, Entity1_13Types.EntityType.EXPERIENCE_ORB);
registerTracker(ClientboundPackets1_13.SPAWN_GLOBAL_ENTITY, Entity1_13Types.EntityType.LIGHTNING_BOLT);
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Entity UUID
map(Type.UUID);
// 2 - Entity Type
map(Type.VAR_INT);
// 3 - X
map(Type.DOUBLE);
// 4 - Y
map(Type.DOUBLE);
// 5 - Z
map(Type.DOUBLE);
// 6 - Yaw
map(Type.BYTE);
// 7 - Pitch
map(Type.BYTE);
// 8 - Head Pitch
map(Type.BYTE);
// 9 - Velocity X
map(Type.SHORT);
// 10 - Velocity Y
map(Type.SHORT);
// 11 - Velocity Z
map(Type.SHORT);
// 12 - Metadata
map(Types1_13.METADATA_LIST);
// Track Entity
handler(getTrackerHandler());
// Rewrite Metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadata = wrapper.get(Types1_13.METADATA_LIST, 0);
handleMetadata(wrapper.get(Type.VAR_INT, 0), metadata, wrapper.user());
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PLAYER, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Player UUID
map(Type.UUID);
// 2 - X
map(Type.DOUBLE);
// 3 - Y
map(Type.DOUBLE);
// 4 - Z
map(Type.DOUBLE);
// 5 - Yaw
map(Type.BYTE);
// 6 - Pitch
map(Type.BYTE);
// 7 - Metadata
map(Types1_13.METADATA_LIST);
handler(getTrackerAndMetaHandler(Types1_13.METADATA_LIST, Entity1_13Types.EntityType.PLAYER));
}
});
registerTracker(ClientboundPackets1_13.SPAWN_PAINTING, Entity1_13Types.EntityType.PAINTING);
registerJoinGame(ClientboundPackets1_13.JOIN_GAME, Entity1_13Types.EntityType.PLAYER);
registerRespawn(ClientboundPackets1_13.RESPAWN);
registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13.METADATA_LIST);
}
use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaBackwards by ViaVersion.
the class WorldPackets1_13_1 method register.
public static void register(Protocol protocol) {
BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION);
protocol.registerClientbound(ClientboundPackets1_13.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
Chunk chunk = wrapper.passthrough(new Chunk1_13Type(clientWorld));
for (ChunkSection section : chunk.getSections()) {
if (section != null) {
for (int i = 0; i < section.getPaletteSize(); i++) {
section.setPaletteEntry(i, protocol.getMappingData().getNewBlockStateId(section.getPaletteEntry(i)));
}
}
}
}
});
}
});
blockRewriter.registerBlockAction(ClientboundPackets1_13.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_13.BLOCK_CHANGE);
blockRewriter.registerMultiBlockChange(ClientboundPackets1_13.MULTI_BLOCK_CHANGE);
blockRewriter.registerEffect(ClientboundPackets1_13.EFFECT, 1010, 2001);
}
use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaBackwards by ViaVersion.
the class Protocol1_14_3To1_14_4 method registerPackets.
@Override
protected void registerPackets() {
// Acknowledge Player Digging - added in pre4
registerClientbound(ClientboundPackets1_14.ACKNOWLEDGE_PLAYER_DIGGING, ClientboundPackets1_14.BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.POSITION1_14);
map(Type.VAR_INT);
handler(wrapper -> {
int status = wrapper.read(Type.VAR_INT);
boolean allGood = wrapper.read(Type.BOOLEAN);
if (allGood && status == 0) {
wrapper.cancel();
}
});
}
});
registerClientbound(ClientboundPackets1_14.TRADE_LIST, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.passthrough(Type.VAR_INT);
int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
for (int i = 0; i < size; i++) {
wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
if (wrapper.passthrough(Type.BOOLEAN)) {
wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
}
wrapper.passthrough(Type.BOOLEAN);
wrapper.passthrough(Type.INT);
wrapper.passthrough(Type.INT);
wrapper.passthrough(Type.INT);
wrapper.passthrough(Type.INT);
wrapper.passthrough(Type.FLOAT);
// demand value added in pre-5
wrapper.read(Type.INT);
}
}
});
}
});
}
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