use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler 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());
}
});
}
use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.
the class Protocol1_9_1To1_9 method registerPackets.
@Override
protected void registerPackets() {
// Currently supports 1.9.1 and 1.9.2
registerClientbound(ClientboundPackets1_9.JOIN_GAME, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Player ID
map(Type.INT);
// 1 - Player Gamemode
map(Type.UNSIGNED_BYTE);
// 1.9.1 PRE 2 Changed this
// 2 - Player Dimension
map(Type.BYTE, Type.INT);
// 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);
}
});
registerClientbound(ClientboundPackets1_9.SOUND, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Sound ID
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int sound = wrapper.get(Type.VAR_INT, 0);
if (// Add 1 to every sound id since there is no Elytra sound on a 1.9 server
sound >= 415)
wrapper.set(Type.VAR_INT, 0, sound + 1);
}
});
}
});
}
use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaBackwards by ViaVersion.
the class BlockItemPackets1_12 method registerPackets.
@Override
protected void registerPackets() {
protocol.registerClientbound(ClientboundPackets1_12.MAP_DATA, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.BYTE);
map(Type.BOOLEAN);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int count = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < count * 3; i++) {
wrapper.passthrough(Type.BYTE);
}
}
});
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
short columns = wrapper.passthrough(Type.UNSIGNED_BYTE);
if (columns <= 0)
return;
short rows = wrapper.passthrough(Type.UNSIGNED_BYTE);
// X
wrapper.passthrough(Type.UNSIGNED_BYTE);
// Z
wrapper.passthrough(Type.UNSIGNED_BYTE);
byte[] data = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
for (int i = 0; i < data.length; i++) {
short color = (short) (data[i] & 0xFF);
if (color > 143) {
color = (short) MapColorMapping.getNearestOldColor(color);
data[i] = (byte) color;
}
}
wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, data);
}
});
}
});
registerSetSlot(ClientboundPackets1_12.SET_SLOT, Type.ITEM);
registerWindowItems(ClientboundPackets1_12.WINDOW_ITEMS, Type.ITEM_ARRAY);
registerEntityEquipment(ClientboundPackets1_12.ENTITY_EQUIPMENT, Type.ITEM);
// Plugin message Packet -> Trading
protocol.registerClientbound(ClientboundPackets1_12.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Channel
map(Type.STRING);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) {
// Passthrough Window ID
wrapper.passthrough(Type.INT);
int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
for (int i = 0; i < size; i++) {
// Input Item
wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
// Output Item
wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
// Has second item
boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
if (secondItem)
// Second Item
wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
// Trade disabled
wrapper.passthrough(Type.BOOLEAN);
// Number of tools uses
wrapper.passthrough(Type.INT);
// Maximum number of trade uses
wrapper.passthrough(Type.INT);
}
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_9_3.CLICK_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Slot
map(Type.SHORT);
// 2 - Button
map(Type.BYTE);
// 3 - Action number
map(Type.SHORT);
// 4 - Mode
map(Type.VAR_INT);
// 5 - Clicked Item
map(Type.ITEM);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
if (wrapper.get(Type.VAR_INT, 0) == 1) {
// Shift click
// https://github.com/ViaVersion/ViaVersion/pull/754
// Previously clients grab the item from the clicked slot *before* it has
// been moved however now they grab the slot item *after* it has been moved
// and send that in the packet.
// Set null item (probably will work)
wrapper.set(Type.ITEM, 0, null);
// Apologize (may happen in some cases, maybe if inventory is full?)
PacketWrapper confirm = wrapper.create(ServerboundPackets1_12.WINDOW_CONFIRMATION);
confirm.write(Type.UNSIGNED_BYTE, wrapper.get(Type.UNSIGNED_BYTE, 0));
confirm.write(Type.SHORT, wrapper.get(Type.SHORT, 1));
// Success - not used
confirm.write(Type.BOOLEAN, false);
wrapper.sendToServer(Protocol1_11_1To1_12.class);
wrapper.cancel();
confirm.sendToServer(Protocol1_11_1To1_12.class);
return;
}
Item item = wrapper.get(Type.ITEM, 0);
handleItemToServer(item);
}
});
}
});
registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
protocol.registerClientbound(ClientboundPackets1_12.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);
// Use the 1.9.4 Chunk type since nothing changed.
Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
Chunk chunk = wrapper.passthrough(type);
handleChunk(chunk);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_12.BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Block Position
map(Type.POSITION);
// 1 - Block
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int idx = wrapper.get(Type.VAR_INT, 0);
wrapper.set(Type.VAR_INT, 0, handleBlockID(idx));
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_12.MULTI_BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Chunk X
map(Type.INT);
// 1 - Chunk Z
map(Type.INT);
map(Type.BLOCK_CHANGE_RECORD_ARRAY);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
record.setBlockId(handleBlockID(record.getBlockId()));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_12.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Position
map(Type.POSITION);
// 1 - Action
map(Type.UNSIGNED_BYTE);
// 2 - NBT
map(Type.NBT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Remove bed color
if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 11)
wrapper.cancel();
}
});
}
});
protocol.getEntityRewriter().filter().handler((event, meta) -> {
if (// Is Item
meta.metaType().type().equals(Type.ITEM))
meta.setValue(handleItemToClient((Item) meta.getValue()));
});
protocol.registerServerbound(ServerboundPackets1_9_3.CLIENT_STATUS, new PacketRemapper() {
@Override
public void registerMap() {
// Action ID
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Open Inventory
if (wrapper.get(Type.VAR_INT, 0) == 2) {
wrapper.cancel();
}
}
});
}
});
}
use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaBackwards by ViaVersion.
the class SoundPackets1_12 method registerPackets.
@Override
protected void registerPackets() {
protocol.registerClientbound(ClientboundPackets1_12.NAMED_SOUND, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Sound name
map(Type.STRING);
// 1 - Sound Category
map(Type.VAR_INT);
// 2 - x
map(Type.INT);
// 3 - y
map(Type.INT);
// 4 - z
map(Type.INT);
// 5 - Volume
map(Type.FLOAT);
// 6 - Pitch
map(Type.FLOAT);
}
});
protocol.registerClientbound(ClientboundPackets1_12.SOUND, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Sound name
map(Type.VAR_INT);
// 1 - Sound Category
map(Type.VAR_INT);
// 2 - x
map(Type.INT);
// 3 - y
map(Type.INT);
// 4 - z
map(Type.INT);
// 5 - Volume
map(Type.FLOAT);
// 6 - Pitch
map(Type.FLOAT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int oldId = wrapper.get(Type.VAR_INT, 0);
int newId = handleSounds(oldId);
if (newId == -1) {
wrapper.cancel();
return;
}
if (hasPitch(oldId)) {
wrapper.set(Type.FLOAT, 1, handlePitch(oldId));
}
wrapper.set(Type.VAR_INT, 0, newId);
}
});
}
});
}
use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaBackwards by ViaVersion.
the class Protocol1_12_1To1_12_2 method registerPackets.
@Override
protected void registerPackets() {
registerClientbound(ClientboundPackets1_12_1.KEEP_ALIVE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper packetWrapper) throws Exception {
Long keepAlive = packetWrapper.read(Type.LONG);
packetWrapper.user().get(KeepAliveTracker.class).setKeepAlive(keepAlive);
packetWrapper.write(Type.VAR_INT, keepAlive.hashCode());
}
});
}
});
registerServerbound(ServerboundPackets1_12_1.KEEP_ALIVE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper packetWrapper) throws Exception {
int keepAlive = packetWrapper.read(Type.VAR_INT);
long realKeepAlive = packetWrapper.user().get(KeepAliveTracker.class).getKeepAlive();
if (keepAlive != Long.hashCode(realKeepAlive)) {
// Wrong data, cancel packet
packetWrapper.cancel();
return;
}
packetWrapper.write(Type.LONG, realKeepAlive);
// Reset KeepAliveTracker (to prevent sending same valid value in a row causing a timeout)
packetWrapper.user().get(KeepAliveTracker.class).setKeepAlive(Integer.MAX_VALUE);
}
});
}
});
}
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