Example 1 with ServerboundPackets1_9
use of com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9 in project ViaVersion by ViaVersion.
the class EntityPackets method register.
public static void register(Protocol1_9To1_8 protocol) {
// Attach Entity Packet
protocol.registerClientbound(ClientboundPackets1_8.ATTACH_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.INT);
// 1 - Vehicle
map(Type.INT);
// Leash boolean is removed in new versions
map(Type.BOOLEAN, new ValueTransformer<Boolean, Void>(Type.NOTHING) {
@Override
public Void transform(PacketWrapper wrapper, Boolean inputValue) throws Exception {
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (!inputValue) {
int passenger = wrapper.get(Type.INT, 0);
int vehicle = wrapper.get(Type.INT, 1);
// Don't send current packet
wrapper.cancel();
PacketWrapper passengerPacket = wrapper.create(ClientboundPackets1_9.SET_PASSENGERS);
if (vehicle == -1) {
if (!tracker.getVehicleMap().containsKey(passenger))
// Cancel
return null;
passengerPacket.write(Type.VAR_INT, tracker.getVehicleMap().remove(passenger));
passengerPacket.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] {});
} else {
passengerPacket.write(Type.VAR_INT, vehicle);
passengerPacket.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { passenger });
tracker.getVehicleMap().put(passenger, vehicle);
}
// Send the packet
passengerPacket.send(Protocol1_9To1_8.class);
}
return null;
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_TELEPORT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - X - Needs to be divide by 32
map(Type.INT, SpawnPackets.toNewDouble);
// 2 - Y - Needs to be divide by 32
map(Type.INT, SpawnPackets.toNewDouble);
// 3 - Z - Needs to be divide by 32
map(Type.INT, SpawnPackets.toNewDouble);
// 4 - Pitch
map(Type.BYTE);
// 5 - Yaw
map(Type.BYTE);
// 6 - On Ground
map(Type.BOOLEAN);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int entityID = wrapper.get(Type.VAR_INT, 0);
if (Via.getConfig().isHologramPatch()) {
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (tracker.getKnownHolograms().contains(entityID)) {
Double newValue = wrapper.get(Type.DOUBLE, 1);
newValue += (Via.getConfig().getHologramYOffset());
wrapper.set(Type.DOUBLE, 1, newValue);
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_POSITION_AND_ROTATION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - X
map(Type.BYTE, toNewShort);
// 2 - Y
map(Type.BYTE, toNewShort);
// 3 - Z
map(Type.BYTE, toNewShort);
// 4 - Yaw
map(Type.BYTE);
// 5 - Pitch
map(Type.BYTE);
// 6 - On Ground
map(Type.BOOLEAN);
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_POSITION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - X
map(Type.BYTE, toNewShort);
// 2 - Y
map(Type.BYTE, toNewShort);
// 3 - Z
map(Type.BYTE, toNewShort);
// 4 - On Ground
map(Type.BOOLEAN);
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_EQUIPMENT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Slot ID
map(Type.SHORT, new ValueTransformer<Short, Integer>(Type.VAR_INT) {
@Override
public Integer transform(PacketWrapper wrapper, Short slot) throws Exception {
int entityId = wrapper.get(Type.VAR_INT, 0);
int receiverId = wrapper.user().getEntityTracker(Protocol1_9To1_8.class).clientEntityId();
// (In 1.9+, every client treats the received the same: 0=hand, 1=offhand, 2-5=armor)
if (entityId == receiverId) {
return slot.intValue() + 2;
}
return slot > 0 ? slot.intValue() + 1 : slot.intValue();
}
});
// 2 - Item
map(Type.ITEM);
// Item Rewriter
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item stack = wrapper.get(Type.ITEM, 0);
ItemRewriter.toClient(stack);
}
});
// Blocking
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
int entityID = wrapper.get(Type.VAR_INT, 0);
Item stack = wrapper.get(Type.ITEM, 0);
if (stack != null) {
if (Protocol1_9To1_8.isSword(stack.identifier())) {
entityTracker.getValidBlocking().add(entityID);
return;
}
}
entityTracker.getValidBlocking().remove(entityID);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_METADATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Metadata List
map(Types1_8.METADATA_LIST, Types1_9.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadataList = wrapper.get(Types1_9.METADATA_LIST, 0);
int entityId = wrapper.get(Type.VAR_INT, 0);
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (tracker.hasEntity(entityId)) {
protocol.get(MetadataRewriter1_9To1_8.class).handleMetadata(entityId, metadataList, wrapper.user());
} else {
// Buffer
tracker.addMetadataToBuffer(entityId, metadataList);
wrapper.cancel();
}
}
});
// Handler for meta data
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadataList = wrapper.get(Types1_9.METADATA_LIST, 0);
int entityID = wrapper.get(Type.VAR_INT, 0);
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
tracker.handleMetadata(entityID, metadataList);
}
});
// Cancel packet if list empty
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
List<Metadata> metadataList = wrapper.get(Types1_9.METADATA_LIST, 0);
if (metadataList.isEmpty()) {
wrapper.cancel();
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_EFFECT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Effect ID
map(Type.BYTE);
// 2 - Amplifier
map(Type.BYTE);
// 3 - Duration
map(Type.VAR_INT);
handler(new // Handle effect indicator
PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// In 1.8 = true->Show particles : false->Hide particles
boolean showParticles = wrapper.read(Type.BOOLEAN);
boolean newEffect = Via.getConfig().isNewEffectIndicator();
// 0: hide, 1: shown without indictator, 2: shown with indicator, 3: hide with beacon indicator but we don't use it.
wrapper.write(Type.BYTE, (byte) (showParticles ? newEffect ? 2 : 1 : 0));
}
});
}
});
protocol.cancelClientbound(ClientboundPackets1_8.UPDATE_ENTITY_NBT);
protocol.registerClientbound(ClientboundPackets1_8.COMBAT_EVENT, new PacketRemapper() {
@Override
public void registerMap() {
// Event id
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
if (wrapper.get(Type.VAR_INT, 0) == 2) {
// entity dead
// Player id
wrapper.passthrough(Type.VAR_INT);
// Entity id
wrapper.passthrough(Type.INT);
Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_PROPERTIES, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
if (!Via.getConfig().isMinimizeCooldown())
return;
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (wrapper.get(Type.VAR_INT, 0) != tracker.getProvidedEntityId()) {
return;
}
int propertiesToRead = wrapper.read(Type.INT);
Map<String, Pair<Double, List<Triple<UUID, Double, Byte>>>> properties = new HashMap<>(propertiesToRead);
for (int i = 0; i < propertiesToRead; i++) {
String key = wrapper.read(Type.STRING);
Double value = wrapper.read(Type.DOUBLE);
int modifiersToRead = wrapper.read(Type.VAR_INT);
List<Triple<UUID, Double, Byte>> modifiers = new ArrayList<>(modifiersToRead);
for (int j = 0; j < modifiersToRead; j++) {
modifiers.add(new Triple<>(wrapper.read(Type.UUID), // Amount
wrapper.read(Type.DOUBLE), // Operation
wrapper.read(Type.BYTE)));
}
properties.put(key, new Pair<>(value, modifiers));
}
// == Why 15.9? ==
// Higher values hides the cooldown but it bugs visual animation on hand
// when removing item from hand with inventory gui
properties.put("generic.attackSpeed", new Pair<Double, List<Triple<UUID, Double, Byte>>>(15.9, // Neutralize modifiers
ImmutableList.of(// Tool and weapon modifier
new Triple<>(UUID.fromString("FA233E1C-4180-4865-B01B-BCCE9785ACA3"), 0.0, (byte) 0), // Dig speed
new Triple<>(UUID.fromString("AF8B6E3F-3328-4C0A-AA36-5BA2BB9DBEF3"), 0.0, (byte) 2), // Dig slow down
new Triple<>(UUID.fromString("55FCED67-E92A-486E-9800-B47F202C4386"), 0.0, (byte) 2))));
wrapper.write(Type.INT, properties.size());
for (Map.Entry<String, Pair<Double, List<Triple<UUID, Double, Byte>>>> entry : properties.entrySet()) {
// Key
wrapper.write(Type.STRING, entry.getKey());
// Value
wrapper.write(Type.DOUBLE, entry.getValue().key());
wrapper.write(Type.VAR_INT, entry.getValue().value().size());
for (Triple<UUID, Double, Byte> modifier : entry.getValue().value()) {
wrapper.write(Type.UUID, modifier.first());
// Amount
wrapper.write(Type.DOUBLE, modifier.second());
// Operation
wrapper.write(Type.BYTE, modifier.third());
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.ENTITY_ANIMATION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Animation
map(Type.UNSIGNED_BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 3) {
wrapper.cancel();
}
}
});
}
});
/* Incoming Packets */
protocol.registerServerbound(ServerboundPackets1_9.ENTITY_ACTION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Player ID
map(Type.VAR_INT);
// 1 - Action
map(Type.VAR_INT);
// 2 - Jump
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int action = wrapper.get(Type.VAR_INT, 1);
if (action == 6 || action == 8)
wrapper.cancel();
if (action == 7) {
wrapper.set(Type.VAR_INT, 1, 6);
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.INTERACT_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID (Target)
map(Type.VAR_INT);
// 1 - Action Type
map(Type.VAR_INT);
// Cancel second hand to prevent double interact
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int type = wrapper.get(Type.VAR_INT, 1);
if (type == 2) {
// 2 - X
wrapper.passthrough(Type.FLOAT);
// 3 - Y
wrapper.passthrough(Type.FLOAT);
// 4 - Z
wrapper.passthrough(Type.FLOAT);
}
if (type == 0 || type == 2) {
// 2/5 - Hand
int hand = wrapper.read(Type.VAR_INT);
if (hand == 1)
wrapper.cancel();
}
}
});
}
});
}
Also used :
HashMap(java.util.HashMap)
PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)
Metadata(com.viaversion.viaversion.api.minecraft.metadata.Metadata)
ArrayList(java.util.ArrayList)
Item(com.viaversion.viaversion.api.minecraft.item.Item)
ArrayList(java.util.ArrayList)
ImmutableList(com.google.common.collect.ImmutableList)
List(java.util.List)
MetadataRewriter1_9To1_8(com.viaversion.viaversion.protocols.protocol1_9to1_8.metadata.MetadataRewriter1_9To1_8)
UUID(java.util.UUID)
Pair(com.viaversion.viaversion.util.Pair)
ValueTransformer(com.viaversion.viaversion.api.protocol.remapper.ValueTransformer)
EntityTracker1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)
Triple(com.viaversion.viaversion.util.Triple)
PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler)
PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper)
HashMap(java.util.HashMap)
Map(java.util.Map)
Protocol1_9To1_8(com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8)
Example 2 with ServerboundPackets1_9
use of com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9 in project ViaVersion by ViaVersion.
the class PlayerPackets method register.
public static void register(Protocol1_9To1_8 protocol) {
protocol.registerClientbound(ClientboundPackets1_8.CHAT_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Chat Message (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 1 - Chat Positon
map(Type.BYTE);
handler(wrapper -> {
try {
JsonObject obj = (JsonObject) wrapper.get(Type.COMPONENT, 0);
ChatRewriter.toClient(obj, wrapper.user());
} catch (Exception e) {
e.printStackTrace();
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.TAB_LIST, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Header
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 1 - Footer
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
}
});
protocol.registerClientbound(ClientboundPackets1_8.DISCONNECT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Reason
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
}
});
protocol.registerClientbound(ClientboundPackets1_8.TITLE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Action
map(Type.VAR_INT);
// We only handle if the title or subtitle is set then just write through.
handler(wrapper -> {
int action = wrapper.get(Type.VAR_INT, 0);
if (action == 0 || action == 1) {
Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
}
});
// Everything else is handled.
}
});
protocol.registerClientbound(ClientboundPackets1_8.PLAYER_POSITION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Player X
map(Type.DOUBLE);
// 1 - Player Y
map(Type.DOUBLE);
// 2 - Player Z
map(Type.DOUBLE);
// 3 - Player Yaw
map(Type.FLOAT);
// 4 - Player Pitch
map(Type.FLOAT);
// 5 - Player Flags
map(Type.BYTE);
handler(wrapper -> {
// 6 - Teleport ID was added
wrapper.write(Type.VAR_INT, 0);
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.TEAMS, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Team Name
map(Type.STRING);
// 1 - Mode
map(Type.BYTE);
handler(wrapper -> {
// Mode
byte mode = wrapper.get(Type.BYTE, 0);
if (mode == 0 || mode == 2) {
// Display Name
wrapper.passthrough(Type.STRING);
// Prefix
wrapper.passthrough(Type.STRING);
// Suffix
wrapper.passthrough(Type.STRING);
// Friendly Fire
wrapper.passthrough(Type.BYTE);
// Name tag visibility
wrapper.passthrough(Type.STRING);
wrapper.write(Type.STRING, Via.getConfig().isPreventCollision() ? "never" : "");
// Colour
wrapper.passthrough(Type.BYTE);
}
if (mode == 0 || mode == 3 || mode == 4) {
// Players
String[] players = wrapper.passthrough(Type.STRING_ARRAY);
final EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
String myName = wrapper.user().getProtocolInfo().getUsername();
String teamName = wrapper.get(Type.STRING, 0);
for (String player : players) {
if (entityTracker.isAutoTeam() && player.equalsIgnoreCase(myName)) {
if (mode == 4) {
// since removing add to auto team
// Workaround for packet order issue
wrapper.send(Protocol1_9To1_8.class);
wrapper.cancel();
entityTracker.sendTeamPacket(true, true);
entityTracker.setCurrentTeam("viaversion");
} else {
// since adding remove from auto team
entityTracker.sendTeamPacket(false, true);
entityTracker.setCurrentTeam(teamName);
}
}
}
}
if (mode == 1) {
// Remove team
final EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
String teamName = wrapper.get(Type.STRING, 0);
if (entityTracker.isAutoTeam() && teamName.equals(entityTracker.getCurrentTeam())) {
// team was removed
// Workaround for packet order issue
wrapper.send(Protocol1_9To1_8.class);
wrapper.cancel();
entityTracker.sendTeamPacket(true, true);
entityTracker.setCurrentTeam("viaversion");
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.JOIN_GAME, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Player ID
map(Type.INT);
// Parse this info
handler(wrapper -> {
int entityId = wrapper.get(Type.INT, 0);
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
tracker.addEntity(entityId, Entity1_10Types.EntityType.PLAYER);
tracker.setClientEntityId(entityId);
});
// 1 - Player Gamemode
map(Type.UNSIGNED_BYTE);
// 2 - Player Dimension
map(Type.BYTE);
// 3 - World Difficulty
map(Type.UNSIGNED_BYTE);
// 4 - Max Players (Tab)
map(Type.UNSIGNED_BYTE);
// 5 - Level Type
map(Type.STRING);
// 6 - Reduced Debug info
map(Type.BOOLEAN);
handler(wrapper -> {
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
// Set player gamemode
tracker.setGameMode(GameMode.getById(wrapper.get(Type.UNSIGNED_BYTE, 0)));
});
// Track player's dimension
handler(wrapper -> {
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.BYTE, 0);
clientWorld.setEnvironment(dimensionId);
});
// Gotta fake their op
handler(wrapper -> {
CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
provider.sendPermission(wrapper.user());
});
// Scoreboard will be cleared when join game is received
handler(wrapper -> {
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (Via.getConfig().isAutoTeam()) {
entityTracker.setAutoTeam(true);
// Workaround for packet order issue
wrapper.send(Protocol1_9To1_8.class);
wrapper.cancel();
entityTracker.sendTeamPacket(true, true);
entityTracker.setCurrentTeam("viaversion");
} else {
entityTracker.setAutoTeam(false);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.PLAYER_INFO, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Action
map(Type.VAR_INT);
// 1 - Player Count
map(Type.VAR_INT);
// Due to this being a complex data structure we just use a handler.
handler(wrapper -> {
int action = wrapper.get(Type.VAR_INT, 0);
int count = wrapper.get(Type.VAR_INT, 1);
for (int i = 0; i < count; i++) {
// Player UUID
wrapper.passthrough(Type.UUID);
if (action == 0) {
// add player
// Player Name
wrapper.passthrough(Type.STRING);
int properties = wrapper.passthrough(Type.VAR_INT);
// loop through properties
for (int j = 0; j < properties; j++) {
// name
wrapper.passthrough(Type.STRING);
// value
wrapper.passthrough(Type.STRING);
boolean isSigned = wrapper.passthrough(Type.BOOLEAN);
if (isSigned) {
// signature
wrapper.passthrough(Type.STRING);
}
}
// gamemode
wrapper.passthrough(Type.VAR_INT);
// ping
wrapper.passthrough(Type.VAR_INT);
boolean hasDisplayName = wrapper.passthrough(Type.BOOLEAN);
if (hasDisplayName) {
// display name
Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
}
} else if ((action == 1) || (action == 2)) {
// update gamemode || update latency
wrapper.passthrough(Type.VAR_INT);
} else if (action == 3) {
// update display name
boolean hasDisplayName = wrapper.passthrough(Type.BOOLEAN);
if (hasDisplayName) {
// display name
Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
}
} else if (action == 4) {
// remove player
// no fields
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Channel Name
map(Type.STRING);
handler(wrapper -> {
String name = wrapper.get(Type.STRING, 0);
if (name.equalsIgnoreCase("MC|BOpen")) {
// Not used anymore
wrapper.read(Type.REMAINING_BYTES);
wrapper.write(Type.VAR_INT, 0);
}
if (name.equalsIgnoreCase("MC|TrList")) {
// ID
wrapper.passthrough(Type.INT);
Short size = wrapper.passthrough(Type.UNSIGNED_BYTE);
for (int i = 0; i < size; ++i) {
Item item1 = wrapper.passthrough(Type.ITEM);
ItemRewriter.toClient(item1);
Item item2 = wrapper.passthrough(Type.ITEM);
ItemRewriter.toClient(item2);
boolean present = wrapper.passthrough(Type.BOOLEAN);
if (present) {
Item item3 = wrapper.passthrough(Type.ITEM);
ItemRewriter.toClient(item3);
}
wrapper.passthrough(Type.BOOLEAN);
wrapper.passthrough(Type.INT);
wrapper.passthrough(Type.INT);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.RESPAWN, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Dimension
map(Type.INT);
// 1 - Difficulty
map(Type.UNSIGNED_BYTE);
// 2 - GameMode
map(Type.UNSIGNED_BYTE);
// 3 - Level Type
map(Type.STRING);
// Track player's dimension
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);
}
});
handler(wrapper -> {
// Client unloads chunks on respawn
wrapper.user().get(ClientChunks.class).getLoadedChunks().clear();
int gamemode = wrapper.get(Type.UNSIGNED_BYTE, 0);
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
tracker.setGameMode(GameMode.getById(gamemode));
});
// Fake permissions to get Commandblocks working
handler(wrapper -> {
CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
provider.sendPermission(wrapper.user());
provider.unloadChunks(wrapper.user());
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.GAME_EVENT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Reason
map(Type.UNSIGNED_BYTE);
// 1 - Value
map(Type.FLOAT);
handler(wrapper -> {
short reason = wrapper.get(Type.UNSIGNED_BYTE, 0);
if (reason == 3) {
// Change gamemode
int gamemode = wrapper.get(Type.FLOAT, 0).intValue();
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
tracker.setGameMode(GameMode.getById(gamemode));
} else if (reason == 4) {
// Open credits screen
wrapper.set(Type.FLOAT, 0, 1F);
}
});
}
});
/* Removed packets */
protocol.registerClientbound(ClientboundPackets1_8.SET_COMPRESSION, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.cancel();
CompressionProvider provider = Via.getManager().getProviders().get(CompressionProvider.class);
provider.handlePlayCompression(wrapper.user(), wrapper.read(Type.VAR_INT));
});
}
});
/* Incoming Packets */
protocol.registerServerbound(ServerboundPackets1_9.TAB_COMPLETE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Requested Command
map(Type.STRING);
// 1 - Is Command Block
map(Type.BOOLEAN, Type.NOTHING);
}
});
protocol.registerServerbound(ServerboundPackets1_9.CLIENT_SETTINGS, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - locale
map(Type.STRING);
// 1 - View Distance
map(Type.BYTE);
// 2 - Chat Mode
map(Type.VAR_INT, Type.BYTE);
// 3 - If Chat Colours on
map(Type.BOOLEAN);
// 4 - Skin Parts
map(Type.UNSIGNED_BYTE);
handler(wrapper -> {
int hand = wrapper.read(Type.VAR_INT);
if (Via.getConfig().isLeftHandedHandling()) {
// Add 0x80 if left handed
if (hand == 0)
wrapper.set(Type.UNSIGNED_BYTE, 0, (short) (wrapper.get(Type.UNSIGNED_BYTE, 0).intValue() | 0x80));
}
wrapper.sendToServer(Protocol1_9To1_8.class);
wrapper.cancel();
Via.getManager().getProviders().get(MainHandProvider.class).setMainHand(wrapper.user(), hand);
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.ANIMATION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Hand
map(Type.VAR_INT, Type.NOTHING);
}
});
protocol.cancelServerbound(ServerboundPackets1_9.TELEPORT_CONFIRM);
protocol.cancelServerbound(ServerboundPackets1_9.VEHICLE_MOVE);
protocol.cancelServerbound(ServerboundPackets1_9.STEER_BOAT);
protocol.registerServerbound(ServerboundPackets1_9.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Channel Name
map(Type.STRING);
handler(wrapper -> {
String name = wrapper.get(Type.STRING, 0);
if (name.equalsIgnoreCase("MC|BSign")) {
Item item = wrapper.passthrough(Type.ITEM);
if (item != null) {
// Written Book
item.setIdentifier(387);
ItemRewriter.rewriteBookToServer(item);
}
}
if (name.equalsIgnoreCase("MC|AutoCmd")) {
wrapper.set(Type.STRING, 0, "MC|AdvCdm");
wrapper.write(Type.BYTE, (byte) 0);
// X
wrapper.passthrough(Type.INT);
// Y
wrapper.passthrough(Type.INT);
// Z
wrapper.passthrough(Type.INT);
// Command
wrapper.passthrough(Type.STRING);
// Flag
wrapper.passthrough(Type.BOOLEAN);
wrapper.clearInputBuffer();
}
if (name.equalsIgnoreCase("MC|AdvCmd")) {
wrapper.set(Type.STRING, 0, "MC|AdvCdm");
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.CLIENT_STATUS, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Action ID
map(Type.VAR_INT);
handler(wrapper -> {
int action = wrapper.get(Type.VAR_INT, 0);
if (action == 2) {
// cancel any blocking >.>
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (tracker.isBlocking()) {
if (!Via.getConfig().isShowShieldWhenSwordInHand()) {
tracker.setSecondHand(null);
}
tracker.setBlocking(false);
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.PLAYER_POSITION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - X
map(Type.DOUBLE);
// 1 - Y
map(Type.DOUBLE);
// 2 - Z
map(Type.DOUBLE);
// 3 - Ground
map(Type.BOOLEAN);
handler(new PlayerMovementMapper());
}
});
protocol.registerServerbound(ServerboundPackets1_9.PLAYER_POSITION_AND_ROTATION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - X
map(Type.DOUBLE);
// 1 - Y
map(Type.DOUBLE);
// 2 - Z
map(Type.DOUBLE);
// 3 - Yaw
map(Type.FLOAT);
// 4 - Pitch
map(Type.FLOAT);
// 5 - Ground
map(Type.BOOLEAN);
handler(new PlayerMovementMapper());
}
});
protocol.registerServerbound(ServerboundPackets1_9.PLAYER_ROTATION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Yaw
map(Type.FLOAT);
// 1 - Pitch
map(Type.FLOAT);
// 2 - Ground
map(Type.BOOLEAN);
handler(new PlayerMovementMapper());
}
});
protocol.registerServerbound(ServerboundPackets1_9.PLAYER_MOVEMENT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Ground
map(Type.BOOLEAN);
handler(new PlayerMovementMapper());
}
});
}
Also used :
PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler)
PlayerMovementMapper(com.viaversion.viaversion.protocols.protocol1_9to1_8.PlayerMovementMapper)
JsonObject(com.google.gson.JsonObject)
GameMode(com.viaversion.viaversion.protocols.protocol1_9to1_8.chat.GameMode)
ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld)
ChatRewriter(com.viaversion.viaversion.protocols.protocol1_9to1_8.chat.ChatRewriter)
PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper)
Via(com.viaversion.viaversion.api.Via)
Entity1_10Types(com.viaversion.viaversion.api.minecraft.entities.Entity1_10Types)
Item(com.viaversion.viaversion.api.minecraft.item.Item)
CommandBlockProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CommandBlockProvider)
PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)
Type(com.viaversion.viaversion.api.type.Type)
MainHandProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.MainHandProvider)
Protocol1_9To1_8(com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8)
EntityTracker1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)
ServerboundPackets1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9)
CompressionProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CompressionProvider)
ClientboundPackets1_8(com.viaversion.viaversion.protocols.protocol1_8.ClientboundPackets1_8)
ItemRewriter(com.viaversion.viaversion.protocols.protocol1_9to1_8.ItemRewriter)
ClientChunks(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.ClientChunks)
EntityTracker1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)
ClientChunks(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.ClientChunks)
PlayerMovementMapper(com.viaversion.viaversion.protocols.protocol1_9to1_8.PlayerMovementMapper)
PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)
JsonObject(com.google.gson.JsonObject)
CommandBlockProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CommandBlockProvider)
CompressionProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CompressionProvider)
Item(com.viaversion.viaversion.api.minecraft.item.Item)
PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler)
PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper)
ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld)
Protocol1_9To1_8(com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8)
Example 3 with ServerboundPackets1_9
use of com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9 in project ViaVersion by ViaVersion.
the class InventoryPackets method register.
public static void register(Protocol protocol) {
protocol.registerClientbound(ClientboundPackets1_8.WINDOW_PROPERTY, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Property Key
map(Type.SHORT);
// 2 - Property Value
map(Type.SHORT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
final short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0);
final short property = wrapper.get(Type.SHORT, 0);
short value = wrapper.get(Type.SHORT, 1);
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
if (inventoryTracker.getInventory() != null) {
if (inventoryTracker.getInventory().equalsIgnoreCase("minecraft:enchanting_table")) {
if (property > 3 && property < 7) {
// Send 2 properties, splitting it into enchantID & level
final short level = (short) (value >> 8);
final short enchantID = (short) (value & 0xFF);
wrapper.create(wrapper.getId(), new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.UNSIGNED_BYTE, windowId);
wrapper.write(Type.SHORT, property);
wrapper.write(Type.SHORT, enchantID);
}
}).scheduleSend(Protocol1_9To1_8.class);
wrapper.set(Type.SHORT, 0, (short) (property + 3));
wrapper.set(Type.SHORT, 1, level);
}
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.OPEN_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Window Type
map(Type.STRING);
// 2 - Window Title
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 3 - Slot Count
map(Type.UNSIGNED_BYTE);
// There is a horse parameter after this, we don't handle it and let it passthrough
// Inventory tracking
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String inventory = wrapper.get(Type.STRING, 0);
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
inventoryTracker.setInventory(inventory);
}
});
// Brewing patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String inventory = wrapper.get(Type.STRING, 0);
if (inventory.equals("minecraft:brewing_stand")) {
wrapper.set(Type.UNSIGNED_BYTE, 1, (short) (wrapper.get(Type.UNSIGNED_BYTE, 1) + 1));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.SET_SLOT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Slot ID
map(Type.SHORT);
// 2 - Slot Value
map(Type.ITEM);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item stack = wrapper.get(Type.ITEM, 0);
boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
// Check if it is the inventory of the player
if (showShieldWhenSwordInHand) {
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
short slotID = wrapper.get(Type.SHORT, 0);
byte windowId = wrapper.get(Type.UNSIGNED_BYTE, 0).byteValue();
// Store item in slot
inventoryTracker.setItemId(windowId, slotID, stack == null ? 0 : stack.identifier());
// Sync shield item in offhand with main hand
entityTracker.syncShieldWithSword();
}
ItemRewriter.toClient(stack);
}
});
// Brewing patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
short slotID = wrapper.get(Type.SHORT, 0);
if (inventoryTracker.getInventory() != null) {
if (inventoryTracker.getInventory().equals("minecraft:brewing_stand")) {
if (slotID >= 4) {
wrapper.set(Type.SHORT, 0, (short) (slotID + 1));
}
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.WINDOW_ITEMS, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Window Values
map(Type.ITEM_ARRAY);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item[] stacks = wrapper.get(Type.ITEM_ARRAY, 0);
Short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0);
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
for (short i = 0; i < stacks.length; i++) {
Item stack = stacks[i];
// Store items in slots
if (showShieldWhenSwordInHand) {
inventoryTracker.setItemId(windowId, i, stack == null ? 0 : stack.identifier());
}
ItemRewriter.toClient(stack);
}
// Sync shield item in offhand with main hand
if (showShieldWhenSwordInHand) {
entityTracker.syncShieldWithSword();
}
}
});
// Brewing Patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
if (inventoryTracker.getInventory() != null) {
if (inventoryTracker.getInventory().equals("minecraft:brewing_stand")) {
Item[] oldStack = wrapper.get(Type.ITEM_ARRAY, 0);
Item[] newStack = new Item[oldStack.length + 1];
for (int i = 0; i < newStack.length; i++) {
if (i > 4) {
newStack[i] = oldStack[i - 1];
} else {
if (i != 4) {
// Leave index 3 blank
newStack[i] = oldStack[i];
}
}
}
wrapper.set(Type.ITEM_ARRAY, 0, newStack);
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.CLOSE_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// Inventory tracking
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
inventoryTracker.setInventory(null);
inventoryTracker.resetInventory(wrapper.get(Type.UNSIGNED_BYTE, 0));
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.MAP_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Map ID
map(Type.VAR_INT);
// 1 - Map Scale
map(Type.BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) {
// 2 - Show marker
wrapper.write(Type.BOOLEAN, true);
}
});
// Everything else is passed through
}
});
/* Incoming Packets */
protocol.registerServerbound(ServerboundPackets1_9.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Slot ID
map(Type.SHORT);
// 1 - Item
map(Type.ITEM);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item stack = wrapper.get(Type.ITEM, 0);
boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
if (showShieldWhenSwordInHand) {
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
short slotID = wrapper.get(Type.SHORT, 0);
// Update item in slot
inventoryTracker.setItemId((short) 0, slotID, stack == null ? 0 : stack.identifier());
// Sync shield item in offhand with main hand
entityTracker.syncShieldWithSword();
}
ItemRewriter.toServer(stack);
}
});
// Elytra throw patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
final short slot = wrapper.get(Type.SHORT, 0);
boolean throwItem = (slot == 45);
if (throwItem) {
// Send a packet wiping the slot
wrapper.create(ClientboundPackets1_9.SET_SLOT, new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
wrapper.write(Type.SHORT, slot);
wrapper.write(Type.ITEM, null);
}
}).send(Protocol1_9To1_8.class);
// Finally reset to simulate throwing item
// Set slot to -999
wrapper.set(Type.SHORT, 0, (short) -999);
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.CLICK_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Slot ID
map(Type.SHORT);
// 2 - Button
map(Type.BYTE);
// 3 - Action
map(Type.SHORT);
// 4 - Mode
map(Type.VAR_INT, Type.BYTE);
// 5 - Clicked Item
map(Type.ITEM);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item stack = wrapper.get(Type.ITEM, 0);
if (Via.getConfig().isShowShieldWhenSwordInHand()) {
Short windowId = wrapper.get(Type.UNSIGNED_BYTE, 0);
byte mode = wrapper.get(Type.BYTE, 1);
short hoverSlot = wrapper.get(Type.SHORT, 0);
byte button = wrapper.get(Type.BYTE, 0);
// Move items in inventory to track the sword location
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
inventoryTracker.handleWindowClick(wrapper.user(), windowId, mode, hoverSlot, button);
}
ItemRewriter.toServer(stack);
}
});
// Brewing patch and elytra throw patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
final short windowID = wrapper.get(Type.UNSIGNED_BYTE, 0);
final short slot = wrapper.get(Type.SHORT, 0);
boolean throwItem = (slot == 45 && windowID == 0);
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
if (inventoryTracker.getInventory() != null) {
if (inventoryTracker.getInventory().equals("minecraft:brewing_stand")) {
if (slot == 4) {
throwItem = true;
}
if (slot > 4) {
wrapper.set(Type.SHORT, 0, (short) (slot - 1));
}
}
}
if (throwItem) {
// Send a packet wiping the slot
wrapper.create(ClientboundPackets1_9.SET_SLOT, new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.UNSIGNED_BYTE, (short) windowID);
wrapper.write(Type.SHORT, slot);
wrapper.write(Type.ITEM, null);
}
}).scheduleSend(Protocol1_9To1_8.class);
// Finally reset to simulate throwing item
// Set button to 0
wrapper.set(Type.BYTE, 0, (byte) 0);
// Set mode to 0
wrapper.set(Type.BYTE, 1, (byte) 0);
// Set slot to -999
wrapper.set(Type.SHORT, 0, (short) -999);
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.CLOSE_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// Inventory tracking
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
InventoryTracker inventoryTracker = wrapper.user().get(InventoryTracker.class);
inventoryTracker.setInventory(null);
inventoryTracker.resetInventory(wrapper.get(Type.UNSIGNED_BYTE, 0));
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.HELD_ITEM_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Slot id
map(Type.SHORT);
// Blocking patch
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand() && Via.getConfig().isShieldBlocking();
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (entityTracker.isBlocking()) {
entityTracker.setBlocking(false);
if (!showShieldWhenSwordInHand) {
entityTracker.setSecondHand(null);
}
}
if (showShieldWhenSwordInHand) {
// Update current held item slot index
entityTracker.setHeldItemSlot(wrapper.get(Type.SHORT, 0));
// Sync shield item in offhand with main hand
entityTracker.syncShieldWithSword();
}
}
});
}
});
}
Also used :
EntityTracker1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)
PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)
InventoryTracker(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.InventoryTracker)
Item(com.viaversion.viaversion.api.minecraft.item.Item)
PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler)
PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper)
Example 4 with ServerboundPackets1_9
use of com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9 in project ViaVersion by ViaVersion.
the class WorldPackets method register.
public static void register(Protocol protocol) {
protocol.registerClientbound(ClientboundPackets1_8.UPDATE_SIGN, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Sign Position
map(Type.POSITION);
// 1 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 2 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 3 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 4 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
}
});
protocol.registerClientbound(ClientboundPackets1_8.EFFECT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Effect ID
map(Type.INT);
// 1 - Position
map(Type.POSITION);
// 2 - Data
map(Type.INT);
// 3 - Disable relative volume
map(Type.BOOLEAN);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
id = Effect.getNewId(id);
wrapper.set(Type.INT, 0, id);
}
});
// Rewrite potion effect as it changed to use a dynamic registry
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
if (id == 2002) {
int data = wrapper.get(Type.INT, 1);
int newData = ItemRewriter.getNewEffectID(data);
wrapper.set(Type.INT, 1, newData);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.NAMED_SOUND, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Sound Name
map(Type.STRING);
// 1 - Sound Category ID
// Everything else get's written through
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String name = wrapper.get(Type.STRING, 0);
SoundEffect effect = SoundEffect.getByName(name);
int catid = 0;
String newname = name;
if (effect != null) {
catid = effect.getCategory().getId();
newname = effect.getNewName();
}
wrapper.set(Type.STRING, 0, newname);
// Write Category ID
wrapper.write(Type.VAR_INT, catid);
if (effect != null && effect.isBreaksound()) {
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
// Position X
int x = wrapper.passthrough(Type.INT);
// Position Y
int y = wrapper.passthrough(Type.INT);
// Position Z
int z = wrapper.passthrough(Type.INT);
if (tracker.interactedBlockRecently((int) Math.floor(x / 8.0), (int) Math.floor(y / 8.0), (int) Math.floor(z / 8.0))) {
wrapper.cancel();
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.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);
ClientChunks clientChunks = wrapper.user().get(ClientChunks.class);
Chunk chunk = wrapper.read(new Chunk1_8Type(clientWorld));
long chunkHash = ClientChunks.toLong(chunk.getX(), chunk.getZ());
// Check if the chunk should be handled as an unload packet
if (chunk.isFullChunk() && chunk.getBitmask() == 0) {
wrapper.setPacketType(ClientboundPackets1_9.UNLOAD_CHUNK);
wrapper.write(Type.INT, chunk.getX());
wrapper.write(Type.INT, chunk.getZ());
// Remove commandBlocks on chunk unload
CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
provider.unloadChunk(wrapper.user(), chunk.getX(), chunk.getZ());
clientChunks.getLoadedChunks().remove(chunkHash);
// Unload the empty chunks
if (Via.getConfig().isChunkBorderFix()) {
for (BlockFace face : BlockFace.HORIZONTAL) {
int chunkX = chunk.getX() + face.modX();
int chunkZ = chunk.getZ() + face.modZ();
if (!clientChunks.getLoadedChunks().contains(ClientChunks.toLong(chunkX, chunkZ))) {
PacketWrapper unloadChunk = wrapper.create(ClientboundPackets1_9.UNLOAD_CHUNK);
unloadChunk.write(Type.INT, chunkX);
unloadChunk.write(Type.INT, chunkZ);
unloadChunk.send(Protocol1_9To1_8.class);
}
}
}
} else {
Type<Chunk> chunkType = new Chunk1_9_1_2Type(clientWorld);
wrapper.write(chunkType, chunk);
clientChunks.getLoadedChunks().add(chunkHash);
// Send empty chunks surrounding the loaded chunk to force 1.9+ clients to render the new chunk
if (Via.getConfig().isChunkBorderFix()) {
for (BlockFace face : BlockFace.HORIZONTAL) {
int chunkX = chunk.getX() + face.modX();
int chunkZ = chunk.getZ() + face.modZ();
if (!clientChunks.getLoadedChunks().contains(ClientChunks.toLong(chunkX, chunkZ))) {
PacketWrapper emptyChunk = wrapper.create(ClientboundPackets1_9.CHUNK_DATA);
Chunk c = new BaseChunk(chunkX, chunkZ, true, false, 0, new ChunkSection[16], new int[256], new ArrayList<>());
emptyChunk.write(chunkType, c);
emptyChunk.send(Protocol1_9To1_8.class);
}
}
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.MAP_BULK_CHUNK, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Cancel the packet from being sent
wrapper.cancel();
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
ClientChunks clientChunks = wrapper.user().get(ClientChunks.class);
Chunk[] chunks = wrapper.read(new ChunkBulk1_8Type(clientWorld));
Type<Chunk> chunkType = new Chunk1_9_1_2Type(clientWorld);
// Split into multiple chunk packets
for (Chunk chunk : chunks) {
PacketWrapper chunkData = wrapper.create(ClientboundPackets1_9.CHUNK_DATA);
chunkData.write(chunkType, chunk);
chunkData.send(Protocol1_9To1_8.class);
clientChunks.getLoadedChunks().add(ClientChunks.toLong(chunk.getX(), chunk.getZ()));
// Send empty chunks surrounding the loaded chunk to force 1.9+ clients to render the new chunk
if (Via.getConfig().isChunkBorderFix()) {
for (BlockFace face : BlockFace.HORIZONTAL) {
int chunkX = chunk.getX() + face.modX();
int chunkZ = chunk.getZ() + face.modZ();
if (!clientChunks.getLoadedChunks().contains(ClientChunks.toLong(chunkX, chunkZ))) {
PacketWrapper emptyChunk = wrapper.create(ClientboundPackets1_9.CHUNK_DATA);
Chunk c = new BaseChunk(chunkX, chunkZ, true, false, 0, new ChunkSection[16], new int[256], new ArrayList<>());
emptyChunk.write(chunkType, c);
emptyChunk.send(Protocol1_9To1_8.class);
}
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_8.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Block Position
map(Type.POSITION);
// 1 - Action
map(Type.UNSIGNED_BYTE);
// 2 - NBT (Might not be present)
map(Type.NBT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int action = wrapper.get(Type.UNSIGNED_BYTE, 0);
if (action == 1) {
// Update Spawner
CompoundTag tag = wrapper.get(Type.NBT, 0);
if (tag != null) {
if (tag.contains("EntityId")) {
String entity = (String) tag.get("EntityId").getValue();
CompoundTag spawn = new CompoundTag();
spawn.put("id", new StringTag(entity));
tag.put("SpawnData", spawn);
} else {
// EntityID does not exist
CompoundTag spawn = new CompoundTag();
// Make spawners show up as empty when no EntityId is given.
spawn.put("id", new StringTag("AreaEffectCloud"));
tag.put("SpawnData", spawn);
}
}
}
if (action == 2) {
// Update Command Block
CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
provider.addOrUpdateBlock(wrapper.user(), wrapper.get(Type.POSITION, 0), wrapper.get(Type.NBT, 0));
// To prevent window issues don't send updates
wrapper.cancel();
}
}
});
}
});
/* Incoming Packets */
protocol.registerServerbound(ServerboundPackets1_9.UPDATE_SIGN, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Sign Position
map(Type.POSITION);
// 1 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 2 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 3 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
// 4 - Sign Line (json)
map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
}
});
protocol.registerServerbound(ServerboundPackets1_9.PLAYER_DIGGING, new PacketRemapper() {
@Override
public void registerMap() {
// Action
map(Type.VAR_INT);
// Position
map(Type.POSITION);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int status = wrapper.get(Type.VAR_INT, 0);
if (status == 6)
wrapper.cancel();
}
});
// Blocking
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int status = wrapper.get(Type.VAR_INT, 0);
if (status == 5 || status == 4 || status == 3) {
EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
if (entityTracker.isBlocking()) {
entityTracker.setBlocking(false);
if (!Via.getConfig().isShowShieldWhenSwordInHand()) {
entityTracker.setSecondHand(null);
}
}
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.USE_ITEM, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int hand = wrapper.read(Type.VAR_INT);
// Wipe the input buffer
wrapper.clearInputBuffer();
// First set this packet ID to Block placement
wrapper.setId(0x08);
wrapper.write(Type.POSITION, new Position(-1, (short) -1, -1));
wrapper.write(Type.UNSIGNED_BYTE, (short) 255);
// Write item in hand
Item item = Protocol1_9To1_8.getHandItem(wrapper.user());
// Blocking patch
if (Via.getConfig().isShieldBlocking()) {
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
// Check if the shield is already there or if we have to give it here
boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand();
// Method to identify the sword in hand
boolean isSword = showShieldWhenSwordInHand ? tracker.hasSwordInHand() : item != null && Protocol1_9To1_8.isSword(item.identifier());
if (isSword) {
if (hand == 0) {
if (!tracker.isBlocking()) {
tracker.setBlocking(true);
// Check if the shield is already in the offhand
if (!showShieldWhenSwordInHand && tracker.getItemInSecondHand() == null) {
// Set shield in offhand when interacting with main hand
Item shield = new DataItem(442, (byte) 1, (short) 0, null);
tracker.setSecondHand(shield);
}
}
}
// Use the main hand to trigger the blocking
boolean blockUsingMainHand = Via.getConfig().isNoDelayShieldBlocking() && !showShieldWhenSwordInHand;
if (blockUsingMainHand && hand == 1 || !blockUsingMainHand && hand == 0) {
wrapper.cancel();
}
} else {
if (!showShieldWhenSwordInHand) {
// Remove the shield from the offhand
tracker.setSecondHand(null);
}
tracker.setBlocking(false);
}
}
wrapper.write(Type.ITEM, item);
wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9.PLAYER_BLOCK_PLACEMENT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Position
map(Type.POSITION);
// 1 - Block Face
map(Type.VAR_INT, Type.UNSIGNED_BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// 2 - Hand
final int hand = wrapper.read(Type.VAR_INT);
if (hand != 0)
wrapper.cancel();
}
});
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item item = Protocol1_9To1_8.getHandItem(wrapper.user());
// 3 - Item
wrapper.write(Type.ITEM, item);
}
});
// 4 - X
map(Type.UNSIGNED_BYTE);
// 5 - Y
map(Type.UNSIGNED_BYTE);
// 6 - Z
map(Type.UNSIGNED_BYTE);
// Register block place to fix sounds
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int face = wrapper.get(Type.UNSIGNED_BYTE, 0);
if (face == 255)
return;
Position p = wrapper.get(Type.POSITION, 0);
int x = p.x();
int y = p.y();
int z = p.z();
switch(face) {
case 0:
y--;
break;
case 1:
y++;
break;
case 2:
z--;
break;
case 3:
z++;
break;
case 4:
x--;
break;
case 5:
x++;
break;
}
EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
tracker.addBlockInteraction(new Position(x, y, z));
}
});
// Handle CommandBlocks
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
Position pos = wrapper.get(Type.POSITION, 0);
Optional<CompoundTag> tag = provider.get(wrapper.user(), pos);
// Send the Update Block Entity packet if present
if (tag.isPresent()) {
PacketWrapper updateBlockEntity = PacketWrapper.create(ClientboundPackets1_9.BLOCK_ENTITY_DATA, null, wrapper.user());
updateBlockEntity.write(Type.POSITION, pos);
updateBlockEntity.write(Type.UNSIGNED_BYTE, (short) 2);
updateBlockEntity.write(Type.NBT, tag.get());
updateBlockEntity.scheduleSend(Protocol1_9To1_8.class);
}
}
});
}
});
}
Also used :
PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler)
Effect(com.viaversion.viaversion.protocols.protocol1_9to1_8.sounds.Effect)
PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper)
Item(com.viaversion.viaversion.api.minecraft.item.Item)
CommandBlockProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CommandBlockProvider)
ArrayList(java.util.ArrayList)
PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)
Type(com.viaversion.viaversion.api.type.Type)
Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk)
Protocol1_9To1_8(com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8)
EntityTracker1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)
CompoundTag(com.github.steveice10.opennbt.tag.builtin.CompoundTag)
DataItem(com.viaversion.viaversion.api.minecraft.item.DataItem)
BlockFace(com.viaversion.viaversion.api.minecraft.BlockFace)
Chunk1_8Type(com.viaversion.viaversion.protocols.protocol1_9to1_8.types.Chunk1_8Type)
ClientboundPackets1_8(com.viaversion.viaversion.protocols.protocol1_8.ClientboundPackets1_8)
ItemRewriter(com.viaversion.viaversion.protocols.protocol1_9to1_8.ItemRewriter)
SoundEffect(com.viaversion.viaversion.protocols.protocol1_9to1_8.sounds.SoundEffect)
Nullable(org.checkerframework.checker.nullness.qual.Nullable)
ClientChunks(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.ClientChunks)
Position(com.viaversion.viaversion.api.minecraft.Position)
Chunk1_9_1_2Type(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.types.Chunk1_9_1_2Type)
BaseChunk(com.viaversion.viaversion.api.minecraft.chunks.BaseChunk)
ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld)
Protocol(com.viaversion.viaversion.api.protocol.Protocol)
ChunkBulk1_8Type(com.viaversion.viaversion.protocols.protocol1_9to1_8.types.ChunkBulk1_8Type)
Via(com.viaversion.viaversion.api.Via)
StringTag(com.github.steveice10.opennbt.tag.builtin.StringTag)
ServerboundPackets1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9)
Optional(java.util.Optional)
ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection)
ClientboundPackets1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.ClientboundPackets1_9)
StringTag(com.github.steveice10.opennbt.tag.builtin.StringTag)
ClientChunks(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.ClientChunks)
DataItem(com.viaversion.viaversion.api.minecraft.item.DataItem)
BlockFace(com.viaversion.viaversion.api.minecraft.BlockFace)
PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)
ArrayList(java.util.ArrayList)
CommandBlockProvider(com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CommandBlockProvider)
ChunkBulk1_8Type(com.viaversion.viaversion.protocols.protocol1_9to1_8.types.ChunkBulk1_8Type)
Item(com.viaversion.viaversion.api.minecraft.item.Item)
DataItem(com.viaversion.viaversion.api.minecraft.item.DataItem)
Chunk1_9_1_2Type(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.types.Chunk1_9_1_2Type)
CompoundTag(com.github.steveice10.opennbt.tag.builtin.CompoundTag)
SoundEffect(com.viaversion.viaversion.protocols.protocol1_9to1_8.sounds.SoundEffect)
BaseChunk(com.viaversion.viaversion.api.minecraft.chunks.BaseChunk)
EntityTracker1_9(com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)
Position(com.viaversion.viaversion.api.minecraft.Position)
Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk)
BaseChunk(com.viaversion.viaversion.api.minecraft.chunks.BaseChunk)
Chunk1_8Type(com.viaversion.viaversion.protocols.protocol1_9to1_8.types.Chunk1_8Type)
Type(com.viaversion.viaversion.api.type.Type)
Chunk1_8Type(com.viaversion.viaversion.protocols.protocol1_9to1_8.types.Chunk1_8Type)
Chunk1_9_1_2Type(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.types.Chunk1_9_1_2Type)
ChunkBulk1_8Type(com.viaversion.viaversion.protocols.protocol1_9to1_8.types.ChunkBulk1_8Type)
PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler)
PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper)
ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld)
ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection)
Protocol1_9To1_8(com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8)
Aggregations
Item (com.viaversion.viaversion.api.minecraft.item.Item)4
PacketWrapper (com.viaversion.viaversion.api.protocol.packet.PacketWrapper)4
PacketHandler (com.viaversion.viaversion.api.protocol.remapper.PacketHandler)4
PacketRemapper (com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)4
EntityTracker1_9 (com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.EntityTracker1_9)4
Protocol1_9To1_8 (com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8)3
Via (com.viaversion.viaversion.api.Via)2
Type (com.viaversion.viaversion.api.type.Type)2
ClientboundPackets1_8 (com.viaversion.viaversion.protocols.protocol1_8.ClientboundPackets1_8)2
ClientWorld (com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld)2
ItemRewriter (com.viaversion.viaversion.protocols.protocol1_9to1_8.ItemRewriter)2
ServerboundPackets1_9 (com.viaversion.viaversion.protocols.protocol1_9to1_8.ServerboundPackets1_9)2
CommandBlockProvider (com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.CommandBlockProvider)2
ClientChunks (com.viaversion.viaversion.protocols.protocol1_9to1_8.storage.ClientChunks)2
ArrayList (java.util.ArrayList)2
CompoundTag (com.github.steveice10.opennbt.tag.builtin.CompoundTag)1
StringTag (com.github.steveice10.opennbt.tag.builtin.StringTag)1
ImmutableList (com.google.common.collect.ImmutableList)1
JsonObject (com.google.gson.JsonObject)1
BlockFace (com.viaversion.viaversion.api.minecraft.BlockFace)1
