use of com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1 in project ViaBackwards by ViaVersion.
the class EntityPackets1_13 method registerPackets.
@Override
protected void registerPackets() {
protocol.registerClientbound(ClientboundPackets1_13.PLAYER_POSITION, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.FLOAT);
map(Type.FLOAT);
map(Type.BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
if (!ViaBackwards.getConfig().isFix1_13FacePlayer())
return;
PlayerPositionStorage1_13 playerStorage = wrapper.user().get(PlayerPositionStorage1_13.class);
byte bitField = wrapper.get(Type.BYTE, 0);
playerStorage.setX(toSet(bitField, 0, playerStorage.getX(), wrapper.get(Type.DOUBLE, 0)));
playerStorage.setY(toSet(bitField, 1, playerStorage.getY(), wrapper.get(Type.DOUBLE, 1)));
playerStorage.setZ(toSet(bitField, 2, playerStorage.getZ(), wrapper.get(Type.DOUBLE, 2)));
}
private double toSet(int field, int bitIndex, double origin, double packetValue) {
// If bit is set, coordinate is relative
return (field & (1 << bitIndex)) != 0 ? origin + packetValue : packetValue;
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.UUID);
map(Type.BYTE);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.BYTE);
map(Type.BYTE);
map(Type.INT);
handler(getObjectTrackerHandler());
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Optional<Entity1_13Types.ObjectType> optionalType = Entity1_13Types.ObjectType.findById(wrapper.get(Type.BYTE, 0));
if (!optionalType.isPresent())
return;
Entity1_13Types.ObjectType type = optionalType.get();
if (type == Entity1_13Types.ObjectType.FALLING_BLOCK) {
int blockState = wrapper.get(Type.INT, 0);
int combined = Protocol1_12_2To1_13.MAPPINGS.getNewBlockStateId(blockState);
combined = ((combined >> 4) & 0xFFF) | ((combined & 0xF) << 12);
wrapper.set(Type.INT, 0, combined);
} else if (type == Entity1_13Types.ObjectType.ITEM_FRAME) {
int data = wrapper.get(Type.INT, 0);
switch(data) {
case 3:
data = 0;
break;
case 4:
data = 1;
break;
case 5:
data = 3;
break;
}
wrapper.set(Type.INT, 0, data);
} else if (type == Entity1_13Types.ObjectType.TRIDENT) {
wrapper.set(Type.BYTE, 0, (byte) Entity1_13Types.ObjectType.TIPPED_ARROW.getId());
}
}
});
}
});
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() {
map(Type.VAR_INT);
map(Type.UUID);
map(Type.VAR_INT);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.BYTE);
map(Type.BYTE);
map(Type.BYTE);
map(Type.SHORT);
map(Type.SHORT);
map(Type.SHORT);
map(Types1_13.METADATA_LIST, Types1_12.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int type = wrapper.get(Type.VAR_INT, 1);
EntityType entityType = Entity1_13Types.getTypeFromId(type, false);
tracker(wrapper.user()).addEntity(wrapper.get(Type.VAR_INT, 0), entityType);
int oldId = EntityTypeMapping.getOldId(type);
if (oldId == -1) {
if (!hasData(entityType)) {
ViaBackwards.getPlatform().getLogger().warning("Could not find 1.12 entity type for 1.13 entity type " + type + "/" + entityType);
}
} else {
wrapper.set(Type.VAR_INT, 1, oldId);
}
}
});
// Rewrite entity type / metadata
handler(getMobSpawnRewriter(Types1_12.METADATA_LIST));
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PLAYER, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.UUID);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.BYTE);
map(Type.BYTE);
map(Types1_13.METADATA_LIST, Types1_12.METADATA_LIST);
handler(getTrackerAndMetaHandler(Types1_12.METADATA_LIST, Entity1_13Types.EntityType.PLAYER));
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PAINTING, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.UUID);
handler(getTrackerHandler(Entity1_13Types.EntityType.PAINTING, Type.VAR_INT));
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int motive = wrapper.read(Type.VAR_INT);
String title = PaintingMapping.getStringId(motive);
wrapper.write(Type.STRING, title);
}
});
}
});
registerJoinGame(ClientboundPackets1_13.JOIN_GAME, Entity1_13Types.EntityType.PLAYER);
protocol.registerClientbound(ClientboundPackets1_13.RESPAWN, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Dimension ID
map(Type.INT);
handler(getDimensionHandler(0));
handler(wrapper -> wrapper.user().get(BackwardsBlockStorage.class).clear());
}
});
registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13.METADATA_LIST, Types1_12.METADATA_LIST);
// Face Player (new packet)
protocol.registerClientbound(ClientboundPackets1_13.FACE_PLAYER, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.cancel();
if (!ViaBackwards.getConfig().isFix1_13FacePlayer())
return;
// We will just accept a possible, very minor mismatch between server and client position,
// and will take the server's one in both cases, else we would have to cache all entities' positions.
// feet/eyes enum
final int anchor = wrapper.read(Type.VAR_INT);
final double x = wrapper.read(Type.DOUBLE);
final double y = wrapper.read(Type.DOUBLE);
final double z = wrapper.read(Type.DOUBLE);
PlayerPositionStorage1_13 positionStorage = wrapper.user().get(PlayerPositionStorage1_13.class);
// Send teleport packet to client
PacketWrapper positionAndLook = wrapper.create(ClientboundPackets1_12_1.PLAYER_POSITION);
positionAndLook.write(Type.DOUBLE, 0D);
positionAndLook.write(Type.DOUBLE, 0D);
positionAndLook.write(Type.DOUBLE, 0D);
// TODO properly cache and calculate head position?
EntityPositionHandler.writeFacingDegrees(positionAndLook, positionStorage.getX(), anchor == 1 ? positionStorage.getY() + 1.62 : positionStorage.getY(), positionStorage.getZ(), x, y, z);
// bitfield, 0=absolute, 1=relative - x,y,z relative, yaw,pitch absolute
positionAndLook.write(Type.BYTE, (byte) 7);
positionAndLook.write(Type.VAR_INT, -1);
positionAndLook.send(Protocol1_12_2To1_13.class);
}
});
}
});
if (ViaBackwards.getConfig().isFix1_13FacePlayer()) {
PacketRemapper movementRemapper = new PacketRemapper() {
@Override
public void registerMap() {
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.DOUBLE);
handler(wrapper -> wrapper.user().get(PlayerPositionStorage1_13.class).setCoordinates(wrapper, false));
}
};
// Player Position
protocol.registerServerbound(ServerboundPackets1_12_1.PLAYER_POSITION, movementRemapper);
// Player Position And Look (serverbound)
protocol.registerServerbound(ServerboundPackets1_12_1.PLAYER_POSITION_AND_ROTATION, movementRemapper);
// Vehicle Move (serverbound)
protocol.registerServerbound(ServerboundPackets1_12_1.VEHICLE_MOVE, movementRemapper);
}
}
use of com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1 in project ViaBackwards by ViaVersion.
the class PlayerPacket1_13 method registerPackets.
@Override
protected void registerPackets() {
// Login Plugin Request
protocol.registerClientbound(State.LOGIN, 0x04, -1, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper packetWrapper) throws Exception {
packetWrapper.cancel();
packetWrapper.create(0x02, new // Plugin response
PacketHandler() {
@Override
public void handle(PacketWrapper newWrapper) throws Exception {
// Packet id
newWrapper.write(Type.VAR_INT, packetWrapper.read(Type.VAR_INT));
// Success
newWrapper.write(Type.BOOLEAN, false);
}
}).sendToServer(Protocol1_12_2To1_13.class);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String channel = wrapper.read(Type.STRING);
if (channel.equals("minecraft:trader_list")) {
wrapper.write(Type.STRING, "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
Item input = wrapper.read(Type.FLAT_ITEM);
wrapper.write(Type.ITEM, protocol.getItemRewriter().handleItemToClient(input));
// Output Item
Item output = wrapper.read(Type.FLAT_ITEM);
wrapper.write(Type.ITEM, protocol.getItemRewriter().handleItemToClient(output));
// Has second item
boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
if (secondItem) {
// Second Item
Item second = wrapper.read(Type.FLAT_ITEM);
wrapper.write(Type.ITEM, protocol.getItemRewriter().handleItemToClient(second));
}
// Trade disabled
wrapper.passthrough(Type.BOOLEAN);
// Number of tools uses
wrapper.passthrough(Type.INT);
// Maximum number of trade uses
wrapper.passthrough(Type.INT);
}
} else {
String oldChannel = InventoryPackets.getOldPluginChannelId(channel);
if (oldChannel == null) {
if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
ViaBackwards.getPlatform().getLogger().warning("Ignoring outgoing plugin message with channel: " + channel);
}
wrapper.cancel();
return;
}
wrapper.write(Type.STRING, oldChannel);
if (oldChannel.equals("REGISTER") || oldChannel.equals("UNREGISTER")) {
String[] channels = new String(wrapper.read(Type.REMAINING_BYTES), StandardCharsets.UTF_8).split("\0");
List<String> rewrittenChannels = new ArrayList<>();
for (String s : channels) {
String rewritten = InventoryPackets.getOldPluginChannelId(s);
if (rewritten != null) {
rewrittenChannels.add(rewritten);
} else if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
ViaBackwards.getPlatform().getLogger().warning("Ignoring plugin channel in outgoing REGISTER: " + s);
}
}
wrapper.write(Type.REMAINING_BYTES, Joiner.on('\0').join(rewrittenChannels).getBytes(StandardCharsets.UTF_8));
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PARTICLE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Particle ID
map(Type.INT);
// 1 - Long Distance
map(Type.BOOLEAN);
// 2 - X
map(Type.FLOAT);
// 3 - Y
map(Type.FLOAT);
// 4 - Z
map(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 {
ParticleMapping.ParticleData old = ParticleMapping.getMapping(wrapper.get(Type.INT, 0));
wrapper.set(Type.INT, 0, old.getHistoryId());
int[] data = old.rewriteData(protocol, wrapper);
if (data != null) {
if (old.getHandler().isBlockHandler() && data[0] == 0) {
// Cancel air block particles
wrapper.cancel();
return;
}
for (int i : data) {
wrapper.write(Type.VAR_INT, i);
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.PLAYER_INFO, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper packetWrapper) throws Exception {
TabCompleteStorage storage = packetWrapper.user().get(TabCompleteStorage.class);
int action = packetWrapper.passthrough(Type.VAR_INT);
int nPlayers = packetWrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < nPlayers; i++) {
UUID uuid = packetWrapper.passthrough(Type.UUID);
if (action == 0) {
// Add
String name = packetWrapper.passthrough(Type.STRING);
storage.usernames().put(uuid, name);
int nProperties = packetWrapper.passthrough(Type.VAR_INT);
for (int j = 0; j < nProperties; j++) {
packetWrapper.passthrough(Type.STRING);
packetWrapper.passthrough(Type.STRING);
if (packetWrapper.passthrough(Type.BOOLEAN)) {
packetWrapper.passthrough(Type.STRING);
}
}
packetWrapper.passthrough(Type.VAR_INT);
packetWrapper.passthrough(Type.VAR_INT);
if (packetWrapper.passthrough(Type.BOOLEAN)) {
packetWrapper.passthrough(Type.COMPONENT);
}
} else if (action == 1) {
// Update Game Mode
packetWrapper.passthrough(Type.VAR_INT);
} else if (action == 2) {
// Update Ping
packetWrapper.passthrough(Type.VAR_INT);
} else if (action == 3) {
// Update Display Name
if (packetWrapper.passthrough(Type.BOOLEAN)) {
packetWrapper.passthrough(Type.COMPONENT);
}
} else if (action == 4) {
// Remove Player
storage.usernames().remove(uuid);
}
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.SCOREBOARD_OBJECTIVE, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.STRING);
map(Type.BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
byte mode = wrapper.get(Type.BYTE, 0);
if (mode == 0 || mode == 2) {
String value = wrapper.read(Type.COMPONENT).toString();
value = ChatRewriter.jsonToLegacyText(value);
if (value.length() > 32) {
value = value.substring(0, 32);
}
wrapper.write(Type.STRING, value);
int type = wrapper.read(Type.VAR_INT);
wrapper.write(Type.STRING, type == 1 ? "hearts" : "integer");
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.TEAMS, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.STRING);
map(Type.BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
byte action = wrapper.get(Type.BYTE, 0);
if (action == 0 || action == 2) {
String displayName = wrapper.read(Type.STRING);
displayName = ChatRewriter.jsonToLegacyText(displayName);
displayName = ChatUtil.removeUnusedColor(displayName, 'f');
if (displayName.length() > 32) {
displayName = displayName.substring(0, 32);
}
wrapper.write(Type.STRING, displayName);
byte flags = wrapper.read(Type.BYTE);
String nameTagVisibility = wrapper.read(Type.STRING);
String collisionRule = wrapper.read(Type.STRING);
int colour = wrapper.read(Type.VAR_INT);
if (colour == 21) {
colour = -1;
}
JsonElement prefixComponent = wrapper.read(Type.COMPONENT);
JsonElement suffixComponent = wrapper.read(Type.COMPONENT);
String prefix = prefixComponent == null || prefixComponent.isJsonNull() ? "" : ChatRewriter.jsonToLegacyText(prefixComponent.toString());
if (ViaBackwards.getConfig().addTeamColorTo1_13Prefix()) {
prefix += "§" + (colour > -1 && colour <= 15 ? Integer.toHexString(colour) : "r");
}
prefix = ChatUtil.removeUnusedColor(prefix, 'f', true);
if (prefix.length() > 16)
prefix = prefix.substring(0, 16);
if (prefix.endsWith("§"))
prefix = prefix.substring(0, prefix.length() - 1);
String suffix = suffixComponent == null || suffixComponent.isJsonNull() ? "" : ChatRewriter.jsonToLegacyText(suffixComponent.toString());
// Don't remove white coloring
suffix = ChatUtil.removeUnusedColor(suffix, '\0');
if (suffix.length() > 16)
suffix = suffix.substring(0, 16);
if (suffix.endsWith("§"))
suffix = suffix.substring(0, suffix.length() - 1);
wrapper.write(Type.STRING, prefix);
wrapper.write(Type.STRING, suffix);
wrapper.write(Type.BYTE, flags);
wrapper.write(Type.STRING, nameTagVisibility);
wrapper.write(Type.STRING, collisionRule);
wrapper.write(Type.BYTE, (byte) colour);
}
if (action == 0 || action == 3 || action == 4) {
// Entities
wrapper.passthrough(Type.STRING_ARRAY);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.DECLARE_COMMANDS, null, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.cancel();
TabCompleteStorage storage = wrapper.user().get(TabCompleteStorage.class);
if (!storage.commands().isEmpty()) {
storage.commands().clear();
}
int size = wrapper.read(Type.VAR_INT);
boolean initialNodes = true;
for (int i = 0; i < size; i++) {
byte flags = wrapper.read(Type.BYTE);
// Children indices
wrapper.read(Type.VAR_INT_ARRAY_PRIMITIVE);
if ((flags & 0x08) != 0) {
// Redirect node index
wrapper.read(Type.VAR_INT);
}
byte nodeType = (byte) (flags & 0x03);
if (initialNodes && nodeType == 2) {
initialNodes = false;
}
if (nodeType == 1 || nodeType == 2) {
// Literal/argument node
String name = wrapper.read(Type.STRING);
if (nodeType == 1 && initialNodes) {
storage.commands().add('/' + name);
}
}
if (nodeType == 2) {
// Argument node
commandRewriter.handleArgument(wrapper, wrapper.read(Type.STRING));
}
if ((flags & 0x10) != 0) {
// Suggestion type
wrapper.read(Type.STRING);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.TAB_COMPLETE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
TabCompleteStorage storage = wrapper.user().get(TabCompleteStorage.class);
if (storage.lastRequest() == null) {
wrapper.cancel();
return;
}
if (storage.lastId() != wrapper.read(Type.VAR_INT))
wrapper.cancel();
int start = wrapper.read(Type.VAR_INT);
int length = wrapper.read(Type.VAR_INT);
int lastRequestPartIndex = storage.lastRequest().lastIndexOf(' ') + 1;
// Client only replaces after space
if (lastRequestPartIndex != start)
wrapper.cancel();
if (length != storage.lastRequest().length() - lastRequestPartIndex) {
// We can't set the length in previous versions
wrapper.cancel();
}
int count = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < count; i++) {
String match = wrapper.read(Type.STRING);
wrapper.write(Type.STRING, (start == 0 && !storage.isLastAssumeCommand() ? "/" : "") + match);
// Ignore tooltip
if (wrapper.read(Type.BOOLEAN)) {
wrapper.read(Type.STRING);
}
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_12_1.TAB_COMPLETE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
TabCompleteStorage storage = wrapper.user().get(TabCompleteStorage.class);
List<String> suggestions = new ArrayList<>();
String command = wrapper.read(Type.STRING);
boolean assumeCommand = wrapper.read(Type.BOOLEAN);
wrapper.read(Type.OPTIONAL_POSITION);
if (!assumeCommand && !command.startsWith("/")) {
// Complete usernames for non-commands
String buffer = command.substring(command.lastIndexOf(' ') + 1);
for (String value : storage.usernames().values()) {
if (startsWithIgnoreCase(value, buffer)) {
suggestions.add(value);
}
}
} else if (!storage.commands().isEmpty() && !command.contains(" ")) {
// Complete commands names with values from 'Declare Commands' packet
for (String value : storage.commands()) {
if (startsWithIgnoreCase(value, command)) {
suggestions.add(value);
}
}
}
if (!suggestions.isEmpty()) {
wrapper.cancel();
PacketWrapper response = wrapper.create(ClientboundPackets1_12_1.TAB_COMPLETE);
response.write(Type.VAR_INT, suggestions.size());
for (String value : suggestions) {
response.write(Type.STRING, value);
}
response.scheduleSend(Protocol1_12_2To1_13.class);
storage.setLastRequest(null);
return;
}
if (!assumeCommand && command.startsWith("/")) {
command = command.substring(1);
}
int id = ThreadLocalRandom.current().nextInt();
wrapper.write(Type.VAR_INT, id);
wrapper.write(Type.STRING, command);
storage.setLastId(id);
storage.setLastAssumeCommand(assumeCommand);
storage.setLastRequest(command);
});
}
});
protocol.registerServerbound(ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
String channel = wrapper.read(Type.STRING);
switch(channel) {
case "MC|BSign":
case "MC|BEdit":
wrapper.setId(0x0B);
Item book = wrapper.read(Type.ITEM);
wrapper.write(Type.FLAT_ITEM, protocol.getItemRewriter().handleItemToServer(book));
boolean signing = channel.equals("MC|BSign");
wrapper.write(Type.BOOLEAN, signing);
break;
case "MC|ItemName":
wrapper.setId(0x1C);
break;
case "MC|AdvCmd":
byte type = wrapper.read(Type.BYTE);
if (type == 0) {
// Information from https://wiki.vg/index.php?title=Plugin_channels&oldid=14089
// The Notchain client only uses this for command block minecarts and uses MC|AutoCmd for blocks, but the Notchian server still accepts it for either.
// Maybe older versions used this and we need to implement this? The issues is that we would have to save the command block types
wrapper.setId(0x22);
wrapper.cancel();
ViaBackwards.getPlatform().getLogger().warning("Client send MC|AdvCmd custom payload to update command block, weird!");
} else if (type == 1) {
wrapper.setId(0x23);
// Entity Id
wrapper.write(Type.VAR_INT, wrapper.read(Type.INT));
// Command
wrapper.passthrough(Type.STRING);
// Track Output
wrapper.passthrough(Type.BOOLEAN);
} else {
wrapper.cancel();
}
break;
case "MC|AutoCmd":
{
wrapper.setId(0x22);
int x = wrapper.read(Type.INT);
int y = wrapper.read(Type.INT);
int z = wrapper.read(Type.INT);
wrapper.write(Type.POSITION, new Position(x, (short) y, z));
// Command
wrapper.passthrough(Type.STRING);
byte flags = 0;
// Track Output
if (wrapper.read(Type.BOOLEAN))
flags |= 0x01;
String mode = wrapper.read(Type.STRING);
int modeId = mode.equals("SEQUENCE") ? 0 : mode.equals("AUTO") ? 1 : 2;
wrapper.write(Type.VAR_INT, modeId);
// Is conditional
if (wrapper.read(Type.BOOLEAN))
flags |= 0x02;
// Automatic
if (wrapper.read(Type.BOOLEAN))
flags |= 0x04;
wrapper.write(Type.BYTE, flags);
break;
}
case "MC|Struct":
{
wrapper.setId(0x25);
int x = wrapper.read(Type.INT);
int y = wrapper.read(Type.INT);
int z = wrapper.read(Type.INT);
wrapper.write(Type.POSITION, new Position(x, (short) y, z));
wrapper.write(Type.VAR_INT, wrapper.read(Type.BYTE) - 1);
String mode = wrapper.read(Type.STRING);
int modeId = mode.equals("SAVE") ? 0 : mode.equals("LOAD") ? 1 : mode.equals("CORNER") ? 2 : 3;
wrapper.write(Type.VAR_INT, modeId);
// Name
wrapper.passthrough(Type.STRING);
// Offset X
wrapper.write(Type.BYTE, wrapper.read(Type.INT).byteValue());
// Offset Y
wrapper.write(Type.BYTE, wrapper.read(Type.INT).byteValue());
// Offset Z
wrapper.write(Type.BYTE, wrapper.read(Type.INT).byteValue());
// Size X
wrapper.write(Type.BYTE, wrapper.read(Type.INT).byteValue());
// Size Y
wrapper.write(Type.BYTE, wrapper.read(Type.INT).byteValue());
// Size Z
wrapper.write(Type.BYTE, wrapper.read(Type.INT).byteValue());
String mirror = wrapper.read(Type.STRING);
int mirrorId = mode.equals("NONE") ? 0 : mode.equals("LEFT_RIGHT") ? 1 : 2;
String rotation = wrapper.read(Type.STRING);
int rotationId = mode.equals("NONE") ? 0 : mode.equals("CLOCKWISE_90") ? 1 : mode.equals("CLOCKWISE_180") ? 2 : 3;
// Metadata
wrapper.passthrough(Type.STRING);
byte flags = 0;
// Ignore entities
if (wrapper.read(Type.BOOLEAN))
flags |= 0x01;
// Show air
if (wrapper.read(Type.BOOLEAN))
flags |= 0x02;
// Show bounding box
if (wrapper.read(Type.BOOLEAN))
flags |= 0x04;
// Integrity
wrapper.passthrough(Type.FLOAT);
// Seed
wrapper.passthrough(Type.VAR_LONG);
wrapper.write(Type.BYTE, flags);
break;
}
case "MC|Beacon":
wrapper.setId(0x20);
// Primary Effect
wrapper.write(Type.VAR_INT, wrapper.read(Type.INT));
// Secondary Effect
wrapper.write(Type.VAR_INT, wrapper.read(Type.INT));
break;
case "MC|TrSel":
wrapper.setId(0x1F);
// Slot
wrapper.write(Type.VAR_INT, wrapper.read(Type.INT));
break;
case "MC|PickItem":
wrapper.setId(0x15);
break;
default:
String newChannel = InventoryPackets.getNewPluginChannelId(channel);
if (newChannel == null) {
if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
ViaBackwards.getPlatform().getLogger().warning("Ignoring incoming plugin message with channel: " + channel);
}
wrapper.cancel();
return;
}
wrapper.write(Type.STRING, newChannel);
if (newChannel.equals("minecraft:register") || newChannel.equals("minecraft:unregister")) {
String[] channels = new String(wrapper.read(Type.REMAINING_BYTES), StandardCharsets.UTF_8).split("\0");
List<String> rewrittenChannels = new ArrayList<>();
for (String s : channels) {
String rewritten = InventoryPackets.getNewPluginChannelId(s);
if (rewritten != null) {
rewrittenChannels.add(rewritten);
} else if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
ViaBackwards.getPlatform().getLogger().warning("Ignoring plugin channel in incoming REGISTER: " + s);
}
}
if (!rewrittenChannels.isEmpty()) {
wrapper.write(Type.REMAINING_BYTES, Joiner.on('\0').join(rewrittenChannels).getBytes(StandardCharsets.UTF_8));
} else {
wrapper.cancel();
return;
}
}
break;
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.STATISTICS, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int size = wrapper.get(Type.VAR_INT, 0);
int newSize = size;
for (int i = 0; i < size; i++) {
int categoryId = wrapper.read(Type.VAR_INT);
int statisticId = wrapper.read(Type.VAR_INT);
String name = "";
// categories 0-7 (items, blocks, entities) - probably not feasible
switch(categoryId) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
// remove value
wrapper.read(Type.VAR_INT);
newSize--;
continue;
case 8:
name = protocol.getMappingData().getStatisticMappings().get(statisticId);
if (name == null) {
wrapper.read(Type.VAR_INT);
newSize--;
continue;
}
break;
}
// string id
wrapper.write(Type.STRING, name);
// value
wrapper.passthrough(Type.VAR_INT);
}
if (newSize != size) {
wrapper.set(Type.VAR_INT, 0, newSize);
}
}
});
}
});
}
use of com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1 in project ViaBackwards by ViaVersion.
the class BlockItemPackets1_13 method registerPackets.
@Override
protected void registerPackets() {
protocol.registerClientbound(ClientboundPackets1_13.COOLDOWN, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int itemId = wrapper.read(Type.VAR_INT);
int oldId = protocol.getMappingData().getItemMappings().get(itemId);
if (oldId != -1) {
Optional<String> eggEntityId = SpawnEggRewriter.getEntityId(oldId);
if (eggEntityId.isPresent()) {
itemId = 383 << 16;
} else {
itemId = (oldId >> 4) << 16 | oldId & 0xF;
}
}
wrapper.write(Type.VAR_INT, itemId);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.BLOCK_ACTION, new PacketRemapper() {
@Override
public void registerMap() {
// Location
map(Type.POSITION);
// Action Id
map(Type.UNSIGNED_BYTE);
// Action param
map(Type.UNSIGNED_BYTE);
// Block Id - /!\ NOT BLOCK STATE ID
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int blockId = wrapper.get(Type.VAR_INT, 0);
if (blockId == 73)
blockId = 25;
else if (blockId == 99)
blockId = 33;
else if (blockId == 92)
blockId = 29;
else if (blockId == 142)
blockId = 54;
else if (blockId == 305)
blockId = 146;
else if (blockId == 249)
blockId = 130;
else if (blockId == 257)
blockId = 138;
else if (blockId == 140)
blockId = 52;
else if (blockId == 472)
blockId = 209;
else if (blockId >= 483 && blockId <= 498)
blockId = blockId - 483 + 219;
wrapper.set(Type.VAR_INT, 0, blockId);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Position
map(Type.POSITION);
// 1 - Action
map(Type.UNSIGNED_BYTE);
// 2 - NBT Data
map(Type.NBT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
BackwardsBlockEntityProvider provider = Via.getManager().getProviders().get(BackwardsBlockEntityProvider.class);
// TODO conduit handling
if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 5) {
wrapper.cancel();
}
wrapper.set(Type.NBT, 0, provider.transform(wrapper.user(), wrapper.get(Type.POSITION, 0), wrapper.get(Type.NBT, 0)));
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.UNLOAD_CHUNK, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int chunkMinX = wrapper.passthrough(Type.INT) << 4;
int chunkMinZ = wrapper.passthrough(Type.INT) << 4;
int chunkMaxX = chunkMinX + 15;
int chunkMaxZ = chunkMinZ + 15;
BackwardsBlockStorage blockStorage = wrapper.user().get(BackwardsBlockStorage.class);
blockStorage.getBlocks().entrySet().removeIf(entry -> {
Position position = entry.getKey();
return position.getX() >= chunkMinX && position.getZ() >= chunkMinZ && position.getX() <= chunkMaxX && position.getZ() <= chunkMaxZ;
});
}
});
}
});
// Block Change
protocol.registerClientbound(ClientboundPackets1_13.BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Position
map(Type.POSITION);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int blockState = wrapper.read(Type.VAR_INT);
Position position = wrapper.get(Type.POSITION, 0);
// Store blocks
BackwardsBlockStorage storage = wrapper.user().get(BackwardsBlockStorage.class);
storage.checkAndStore(position, blockState);
wrapper.write(Type.VAR_INT, protocol.getMappingData().getNewBlockStateId(blockState));
// Flower pot special treatment
flowerPotSpecialTreatment(wrapper.user(), blockState, position);
}
});
}
});
// Multi Block Change
protocol.registerClientbound(ClientboundPackets1_13.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 {
BackwardsBlockStorage storage = wrapper.user().get(BackwardsBlockStorage.class);
for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
int chunkX = wrapper.get(Type.INT, 0);
int chunkZ = wrapper.get(Type.INT, 1);
int block = record.getBlockId();
Position position = new Position(record.getSectionX() + (chunkX * 16), record.getY(), record.getSectionZ() + (chunkZ * 16));
// Store if needed
storage.checkAndStore(position, block);
// Flower pot special treatment
flowerPotSpecialTreatment(wrapper.user(), block, position);
// Change to old id
record.setBlockId(protocol.getMappingData().getNewBlockStateId(block));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.WINDOW_ITEMS, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE);
map(Type.FLAT_ITEM_ARRAY, Type.ITEM_ARRAY);
handler(itemArrayHandler(Type.ITEM_ARRAY));
}
});
protocol.registerClientbound(ClientboundPackets1_13.SET_SLOT, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE);
map(Type.SHORT);
map(Type.FLAT_ITEM, Type.ITEM);
handler(itemToClientHandler(Type.ITEM));
}
});
protocol.registerClientbound(ClientboundPackets1_13.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
Chunk1_9_3_4Type type_old = new Chunk1_9_3_4Type(clientWorld);
Chunk1_13Type type = new Chunk1_13Type(clientWorld);
Chunk chunk = wrapper.read(type);
// Handle Block Entities before block rewrite
BackwardsBlockEntityProvider provider = Via.getManager().getProviders().get(BackwardsBlockEntityProvider.class);
BackwardsBlockStorage storage = wrapper.user().get(BackwardsBlockStorage.class);
for (CompoundTag tag : chunk.getBlockEntities()) {
Tag idTag = tag.get("id");
if (idTag == null)
continue;
String id = (String) idTag.getValue();
// Ignore if we don't handle it
if (!provider.isHandled(id))
continue;
int sectionIndex = ((NumberTag) tag.get("y")).asInt() >> 4;
if (sectionIndex < 0 || sectionIndex > 15) {
// 1.17 chunks
continue;
}
ChunkSection section = chunk.getSections()[sectionIndex];
int x = ((NumberTag) tag.get("x")).asInt();
int y = ((NumberTag) tag.get("y")).asInt();
int z = ((NumberTag) tag.get("z")).asInt();
Position position = new Position(x, (short) y, z);
int block = section.getFlatBlock(x & 0xF, y & 0xF, z & 0xF);
storage.checkAndStore(position, block);
provider.transform(wrapper.user(), position, tag);
}
// Rewrite new blocks to old blocks
for (int i = 0; i < chunk.getSections().length; i++) {
ChunkSection section = chunk.getSections()[i];
if (section == null) {
continue;
}
// Flower pots require a special treatment, they are no longer block entities :(
for (int y = 0; y < 16; y++) {
for (int z = 0; z < 16; z++) {
for (int x = 0; x < 16; x++) {
int block = section.getFlatBlock(x, y, z);
// Check if the block is a flower
if (FlowerPotHandler.isFlowah(block)) {
Position pos = new Position((x + (chunk.getX() << 4)), (short) (y + (i << 4)), (z + (chunk.getZ() << 4)));
// Store block
storage.checkAndStore(pos, block);
CompoundTag nbt = provider.transform(wrapper.user(), pos, "minecraft:flower_pot");
chunk.getBlockEntities().add(nbt);
}
}
}
}
for (int p = 0; p < section.getPaletteSize(); p++) {
int old = section.getPaletteEntry(p);
if (old != 0) {
int oldId = protocol.getMappingData().getNewBlockStateId(old);
section.setPaletteEntry(p, oldId);
}
}
}
if (chunk.isBiomeData()) {
for (int i = 0; i < 256; i++) {
int biome = chunk.getBiomeData()[i];
int newId = -1;
switch(biome) {
// end biomes
case 40:
case 41:
case 42:
case 43:
newId = 9;
break;
// deep ocean biomes
case 47:
case 48:
case 49:
newId = 24;
break;
case // deep frozen... let's just pick the frozen variant
50:
newId = 10;
break;
// the other new ocean biomes
case 44:
case 45:
case 46:
newId = 0;
break;
}
if (newId != -1) {
chunk.getBiomeData()[i] = newId;
}
}
}
wrapper.write(type_old, chunk);
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.EFFECT, new PacketRemapper() {
@Override
public void registerMap() {
// Effect Id
map(Type.INT);
// Location
map(Type.POSITION);
// Data
map(Type.INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
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().getItemMappings().get(data) >> 4);
} else if (id == 2001) {
// Block break + block break sound
data = protocol.getMappingData().getNewBlockStateId(data);
int blockId = data >> 4;
int blockData = data & 0xF;
wrapper.set(Type.INT, 1, (blockId & 0xFFF) | (blockData << 12));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.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 iconCount = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < iconCount; i++) {
int type = wrapper.read(Type.VAR_INT);
byte x = wrapper.read(Type.BYTE);
byte z = wrapper.read(Type.BYTE);
byte direction = wrapper.read(Type.BYTE);
if (wrapper.read(Type.BOOLEAN)) {
wrapper.read(Type.COMPONENT);
}
if (type > 9) {
wrapper.set(Type.VAR_INT, 1, wrapper.get(Type.VAR_INT, 1) - 1);
continue;
}
wrapper.write(Type.BYTE, (byte) ((type << 4) | (direction & 0x0F)));
wrapper.write(Type.BYTE, x);
wrapper.write(Type.BYTE, z);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.ENTITY_EQUIPMENT, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.VAR_INT);
map(Type.FLAT_ITEM, Type.ITEM);
handler(itemToClientHandler(Type.ITEM));
}
});
protocol.registerClientbound(ClientboundPackets1_13.WINDOW_PROPERTY, new PacketRemapper() {
@Override
public void registerMap() {
// Window Id
map(Type.UNSIGNED_BYTE);
// Property
map(Type.SHORT);
// Value
map(Type.SHORT);
handler(wrapper -> {
short property = wrapper.get(Type.SHORT, 0);
// Enchantment table
if (property >= 4 && property <= 6) {
short oldId = wrapper.get(Type.SHORT, 1);
wrapper.set(Type.SHORT, 1, (short) protocol.getMappingData().getEnchantmentMappings().getNewId(oldId));
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_12_1.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.SHORT);
map(Type.ITEM, Type.FLAT_ITEM);
handler(itemToServerHandler(Type.FLAT_ITEM));
}
});
protocol.registerServerbound(ServerboundPackets1_12_1.CLICK_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.UNSIGNED_BYTE);
map(Type.SHORT);
map(Type.BYTE);
map(Type.SHORT);
map(Type.VAR_INT);
map(Type.ITEM, Type.FLAT_ITEM);
handler(itemToServerHandler(Type.FLAT_ITEM));
}
});
}
use of com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1 in project ViaVersion by ViaVersion.
the class Protocol1_13To1_12_2 method registerPackets.
@Override
protected void registerPackets() {
entityRewriter.register();
itemRewriter.register();
EntityPackets.register(this);
WorldPackets.register(this);
registerClientbound(State.LOGIN, 0x0, 0x0, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> componentRewriter.processText(wrapper.passthrough(Type.COMPONENT)));
}
});
registerClientbound(State.STATUS, 0x00, 0x00, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.STRING);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String response = wrapper.get(Type.STRING, 0);
try {
JsonObject json = GsonUtil.getGson().fromJson(response, JsonObject.class);
if (json.has("favicon")) {
json.addProperty("favicon", json.get("favicon").getAsString().replace("\n", ""));
}
wrapper.set(Type.STRING, 0, GsonUtil.getGson().toJson(json));
} catch (JsonParseException e) {
e.printStackTrace();
}
}
});
}
});
// New packet 0x04 - Login Plugin Message
// Statistics
registerClientbound(ClientboundPackets1_12_1.STATISTICS, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int size = wrapper.read(Type.VAR_INT);
List<StatisticData> remappedStats = new ArrayList<>();
for (int i = 0; i < size; i++) {
String name = wrapper.read(Type.STRING);
String[] split = name.split("\\.");
int categoryId = 0;
int newId = -1;
int value = wrapper.read(Type.VAR_INT);
if (split.length == 2) {
// Custom types
categoryId = 8;
Integer newIdRaw = StatisticMappings.CUSTOM_STATS.get(name);
if (newIdRaw != null) {
newId = newIdRaw;
} else {
Via.getPlatform().getLogger().warning("Could not find 1.13 -> 1.12.2 statistic mapping for " + name);
}
} else if (split.length > 2) {
String category = split[1];
// TODO convert string ids (blocks, items, entities)
switch(category) {
case "mineBlock":
categoryId = 0;
break;
case "craftItem":
categoryId = 1;
break;
case "useItem":
categoryId = 2;
break;
case "breakItem":
categoryId = 3;
break;
case "pickup":
categoryId = 4;
break;
case "drop":
categoryId = 5;
break;
case "killEntity":
categoryId = 6;
break;
case "entityKilledBy":
categoryId = 7;
break;
}
}
if (newId != -1)
remappedStats.add(new StatisticData(categoryId, newId, value));
}
// size
wrapper.write(Type.VAR_INT, remappedStats.size());
for (StatisticData stat : remappedStats) {
// category id
wrapper.write(Type.VAR_INT, stat.getCategoryId());
// statistics id
wrapper.write(Type.VAR_INT, stat.getNewId());
// value
wrapper.write(Type.VAR_INT, stat.getValue());
}
}
});
}
});
componentRewriter.registerBossBar(ClientboundPackets1_12_1.BOSSBAR);
componentRewriter.registerComponentPacket(ClientboundPackets1_12_1.CHAT_MESSAGE);
registerClientbound(ClientboundPackets1_12_1.TAB_COMPLETE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.VAR_INT, wrapper.user().get(TabCompleteTracker.class).getTransactionId());
String input = wrapper.user().get(TabCompleteTracker.class).getInput();
// Start & End
int index;
int length;
// If no input or new word (then it's the start)
if (input.endsWith(" ") || input.isEmpty()) {
index = input.length();
length = 0;
} else {
// Otherwise find the last space (+1 as we include it)
int lastSpace = input.lastIndexOf(' ') + 1;
index = lastSpace;
length = input.length() - lastSpace;
}
// Write index + length
wrapper.write(Type.VAR_INT, index);
wrapper.write(Type.VAR_INT, length);
int count = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < count; i++) {
String suggestion = wrapper.read(Type.STRING);
// If we're at the start then handle removing slash
if (suggestion.startsWith("/") && index == 0) {
suggestion = suggestion.substring(1);
}
wrapper.write(Type.STRING, suggestion);
wrapper.write(Type.BOOLEAN, false);
}
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.OPEN_WINDOW, new PacketRemapper() {
@Override
public void registerMap() {
// Id
map(Type.UNSIGNED_BYTE);
// Window type
map(Type.STRING);
// Title
handler(wrapper -> componentRewriter.processText(wrapper.passthrough(Type.COMPONENT)));
}
});
registerClientbound(ClientboundPackets1_12_1.COOLDOWN, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int item = wrapper.read(Type.VAR_INT);
int ticks = wrapper.read(Type.VAR_INT);
wrapper.cancel();
if (item == 383) {
// Spawn egg
for (int i = 0; i < 44; i++) {
Integer newItem = getMappingData().getItemMappings().get(item << 16 | i);
if (newItem != null) {
PacketWrapper packet = wrapper.create(ClientboundPackets1_13.COOLDOWN);
packet.write(Type.VAR_INT, newItem);
packet.write(Type.VAR_INT, ticks);
packet.send(Protocol1_13To1_12_2.class);
} else {
break;
}
}
} else {
for (int i = 0; i < 16; i++) {
int newItem = getMappingData().getItemMappings().get(item << 4 | i);
if (newItem != -1) {
PacketWrapper packet = wrapper.create(ClientboundPackets1_13.COOLDOWN);
packet.write(Type.VAR_INT, newItem);
packet.write(Type.VAR_INT, ticks);
packet.send(Protocol1_13To1_12_2.class);
} else {
break;
}
}
}
}
});
}
});
componentRewriter.registerComponentPacket(ClientboundPackets1_12_1.DISCONNECT);
registerClientbound(ClientboundPackets1_12_1.EFFECT, new PacketRemapper() {
@Override
public void registerMap() {
// Effect Id
map(Type.INT);
// Location
map(Type.POSITION);
// Data
map(Type.INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.INT, 0);
int data = wrapper.get(Type.INT, 1);
if (id == 1010) {
// Play record
wrapper.set(Type.INT, 1, getMappingData().getItemMappings().get(data << 4));
} else if (id == 2001) {
// Block break + block break sound
int blockId = data & 0xFFF;
int blockData = data >> 12;
wrapper.set(Type.INT, 1, WorldPackets.toNewId(blockId << 4 | blockData));
}
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.JOIN_GAME, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.INT);
// 1 - Gamemode
map(Type.UNSIGNED_BYTE);
// 2 - Dimension
map(Type.INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Store the player
int entityId = wrapper.get(Type.INT, 0);
wrapper.user().getEntityTracker(Protocol1_13To1_12_2.class).addEntity(entityId, Entity1_13Types.EntityType.PLAYER);
ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.INT, 1);
clientChunks.setEnvironment(dimensionId);
}
});
handler(SEND_DECLARE_COMMANDS_AND_TAGS);
}
});
registerClientbound(ClientboundPackets1_12_1.CRAFT_RECIPE_RESPONSE, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.BYTE);
handler(wrapper -> wrapper.write(Type.STRING, "viaversion:legacy/" + wrapper.read(Type.VAR_INT)));
}
});
componentRewriter.registerCombatEvent(ClientboundPackets1_12_1.COMBAT_EVENT);
registerClientbound(ClientboundPackets1_12_1.MAP_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Map id
map(Type.VAR_INT);
// 1 - Scale
map(Type.BYTE);
// 2 - Tracking Position
map(Type.BOOLEAN);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int iconCount = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < iconCount; i++) {
byte directionAndType = wrapper.read(Type.BYTE);
int type = (directionAndType & 0xF0) >> 4;
wrapper.write(Type.VAR_INT, type);
// Icon X
wrapper.passthrough(Type.BYTE);
// Icon Z
wrapper.passthrough(Type.BYTE);
byte direction = (byte) (directionAndType & 0x0F);
wrapper.write(Type.BYTE, direction);
// Display Name
wrapper.write(Type.OPTIONAL_COMPONENT, null);
}
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.UNLOCK_RECIPES, new PacketRemapper() {
@Override
public void registerMap() {
// action
map(Type.VAR_INT);
// crafting book open
map(Type.BOOLEAN);
// crafting filter active
map(Type.BOOLEAN);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// smelting book open
wrapper.write(Type.BOOLEAN, false);
// smelting filter active
wrapper.write(Type.BOOLEAN, false);
}
});
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int action = wrapper.get(Type.VAR_INT, 0);
for (int i = 0; i < (action == 0 ? 2 : 1); i++) {
int[] ids = wrapper.read(Type.VAR_INT_ARRAY_PRIMITIVE);
String[] stringIds = new String[ids.length];
for (int j = 0; j < ids.length; j++) {
stringIds[j] = "viaversion:legacy/" + ids[j];
}
wrapper.write(Type.STRING_ARRAY, stringIds);
}
if (action == 0) {
wrapper.create(ClientboundPackets1_13.DECLARE_RECIPES, new // Declare recipes
PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.VAR_INT, RecipeData.recipes.size());
for (Map.Entry<String, RecipeData.Recipe> entry : RecipeData.recipes.entrySet()) {
// Id
wrapper.write(Type.STRING, entry.getKey());
wrapper.write(Type.STRING, entry.getValue().getType());
switch(entry.getValue().getType()) {
case "crafting_shapeless":
{
wrapper.write(Type.STRING, entry.getValue().getGroup());
wrapper.write(Type.VAR_INT, entry.getValue().getIngredients().length);
for (Item[] ingredient : entry.getValue().getIngredients()) {
// Clone because array and item is mutable
Item[] clone = ingredient.clone();
for (int i = 0; i < clone.length; i++) {
if (clone[i] == null)
continue;
clone[i] = new DataItem(clone[i]);
}
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, clone);
}
wrapper.write(Type.FLAT_ITEM, new DataItem(entry.getValue().getResult()));
break;
}
case "crafting_shaped":
{
wrapper.write(Type.VAR_INT, entry.getValue().getWidth());
wrapper.write(Type.VAR_INT, entry.getValue().getHeight());
wrapper.write(Type.STRING, entry.getValue().getGroup());
for (Item[] ingredient : entry.getValue().getIngredients()) {
// Clone because array and item is mutable
Item[] clone = ingredient.clone();
for (int i = 0; i < clone.length; i++) {
if (clone[i] == null)
continue;
clone[i] = new DataItem(clone[i]);
}
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, clone);
}
wrapper.write(Type.FLAT_ITEM, new DataItem(entry.getValue().getResult()));
break;
}
case "smelting":
{
wrapper.write(Type.STRING, entry.getValue().getGroup());
// Clone because array and item is mutable
Item[] clone = entry.getValue().getIngredient().clone();
for (int i = 0; i < clone.length; i++) {
if (clone[i] == null)
continue;
clone[i] = new DataItem(clone[i]);
}
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, clone);
wrapper.write(Type.FLAT_ITEM, new DataItem(entry.getValue().getResult()));
wrapper.write(Type.FLOAT, entry.getValue().getExperience());
wrapper.write(Type.VAR_INT, entry.getValue().getCookingTime());
break;
}
}
}
}
}).send(Protocol1_13To1_12_2.class);
}
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.RESPAWN, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Dimension ID
map(Type.INT);
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);
if (Via.getConfig().isServersideBlockConnections()) {
ConnectionData.clearBlockStorage(wrapper.user());
}
}
});
handler(SEND_DECLARE_COMMANDS_AND_TAGS);
}
});
registerClientbound(ClientboundPackets1_12_1.SCOREBOARD_OBJECTIVE, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Objective name
map(Type.STRING);
// 1 - Mode
map(Type.BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
byte mode = wrapper.get(Type.BYTE, 0);
// On create or update
if (mode == 0 || mode == 2) {
// Value
String value = wrapper.read(Type.STRING);
wrapper.write(Type.COMPONENT, ChatRewriter.legacyTextToJson(value));
String type = wrapper.read(Type.STRING);
// integer or hearts
wrapper.write(Type.VAR_INT, type.equals("integer") ? 0 : 1);
}
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.TEAMS, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Team Name
map(Type.STRING);
// 1 - Mode
map(Type.BYTE);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
byte action = wrapper.get(Type.BYTE, 0);
if (action == 0 || action == 2) {
// Display Name
String displayName = wrapper.read(Type.STRING);
wrapper.write(Type.COMPONENT, ChatRewriter.legacyTextToJson(displayName));
// Prefix moved
String prefix = wrapper.read(Type.STRING);
// Suffix moved
String suffix = wrapper.read(Type.STRING);
// Flags
wrapper.passthrough(Type.BYTE);
// Name Tag Visibility
wrapper.passthrough(Type.STRING);
// Collision rule
wrapper.passthrough(Type.STRING);
// Handle new colors
int colour = wrapper.read(Type.BYTE).intValue();
if (colour == -1) {
// -1 changed to 21
colour = 21;
}
if (Via.getConfig().is1_13TeamColourFix()) {
char lastColorChar = getLastColorChar(prefix);
colour = ChatColorUtil.getColorOrdinal(lastColorChar);
suffix = ChatColorUtil.COLOR_CHAR + Character.toString(lastColorChar) + suffix;
}
wrapper.write(Type.VAR_INT, colour);
// Prefix
wrapper.write(Type.COMPONENT, ChatRewriter.legacyTextToJson(prefix));
// Suffix
wrapper.write(Type.COMPONENT, ChatRewriter.legacyTextToJson(suffix));
}
if (action == 0 || action == 3 || action == 4) {
// Entities
String[] names = wrapper.read(Type.STRING_ARRAY);
for (int i = 0; i < names.length; i++) {
names[i] = rewriteTeamMemberName(names[i]);
}
wrapper.write(Type.STRING_ARRAY, names);
}
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.UPDATE_SCORE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Display Name
String displayName = wrapper.read(Type.STRING);
displayName = rewriteTeamMemberName(displayName);
wrapper.write(Type.STRING, displayName);
byte action = wrapper.read(Type.BYTE);
wrapper.write(Type.BYTE, action);
// Objective Name
wrapper.passthrough(Type.STRING);
if (action != 1) {
// Value
wrapper.passthrough(Type.VAR_INT);
}
}
});
}
});
componentRewriter.registerTitle(ClientboundPackets1_12_1.TITLE);
// New 0x4C - Stop Sound
new SoundRewriter(this).registerSound(ClientboundPackets1_12_1.SOUND);
registerClientbound(ClientboundPackets1_12_1.TAB_LIST, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
componentRewriter.processText(wrapper.passthrough(Type.COMPONENT));
componentRewriter.processText(wrapper.passthrough(Type.COMPONENT));
}
});
}
});
registerClientbound(ClientboundPackets1_12_1.ADVANCEMENTS, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Reset/clear
wrapper.passthrough(Type.BOOLEAN);
// Mapping size
int size = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < size; i++) {
// Identifier
wrapper.passthrough(Type.STRING);
// Parent
if (wrapper.passthrough(Type.BOOLEAN))
wrapper.passthrough(Type.STRING);
// Display data
if (wrapper.passthrough(Type.BOOLEAN)) {
// Title
componentRewriter.processText(wrapper.passthrough(Type.COMPONENT));
// Description
componentRewriter.processText(wrapper.passthrough(Type.COMPONENT));
Item icon = wrapper.read(Type.ITEM);
itemRewriter.handleItemToClient(icon);
// Translate item to flat item
wrapper.write(Type.FLAT_ITEM, icon);
// Frame type
wrapper.passthrough(Type.VAR_INT);
// Flags
int flags = wrapper.passthrough(Type.INT);
if ((flags & 1) != 0) {
// Background texture
wrapper.passthrough(Type.STRING);
}
// X
wrapper.passthrough(Type.FLOAT);
// Y
wrapper.passthrough(Type.FLOAT);
}
// Criteria
wrapper.passthrough(Type.STRING_ARRAY);
int arrayLength = wrapper.passthrough(Type.VAR_INT);
for (int array = 0; array < arrayLength; array++) {
// String array
wrapper.passthrough(Type.STRING_ARRAY);
}
}
}
});
}
});
// Incoming packets
// New packet 0x02 - Login Plugin Message
cancelServerbound(State.LOGIN, 0x02);
// New 0x01 - Query Block NBT
cancelServerbound(ServerboundPackets1_13.QUERY_BLOCK_NBT);
// Tab-Complete
registerServerbound(ServerboundPackets1_13.TAB_COMPLETE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Disable auto-complete if configured
if (Via.getConfig().isDisable1_13AutoComplete()) {
wrapper.cancel();
}
int tid = wrapper.read(Type.VAR_INT);
// Save transaction id
wrapper.user().get(TabCompleteTracker.class).setTransactionId(tid);
}
});
// Prepend /
map(Type.STRING, new ValueTransformer<String, String>(Type.STRING) {
@Override
public String transform(PacketWrapper wrapper, String inputValue) {
wrapper.user().get(TabCompleteTracker.class).setInput(inputValue);
return "/" + inputValue;
}
});
// Fake the end of the packet
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.BOOLEAN, false);
wrapper.write(Type.OPTIONAL_POSITION, null);
if (!wrapper.isCancelled() && Via.getConfig().get1_13TabCompleteDelay() > 0) {
TabCompleteTracker tracker = wrapper.user().get(TabCompleteTracker.class);
wrapper.cancel();
tracker.setTimeToSend(System.currentTimeMillis() + Via.getConfig().get1_13TabCompleteDelay() * 50L);
tracker.setLastTabComplete(wrapper.get(Type.STRING, 0));
}
}
});
}
});
// New 0x0A - Edit book -> Plugin Message
registerServerbound(ServerboundPackets1_13.EDIT_BOOK, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
Item item = wrapper.read(Type.FLAT_ITEM);
boolean isSigning = wrapper.read(Type.BOOLEAN);
itemRewriter.handleItemToServer(item);
// Channel
wrapper.write(Type.STRING, isSigning ? "MC|BSign" : "MC|BEdit");
wrapper.write(Type.ITEM, item);
}
});
}
});
// New 0x0C - Query Entity NBT
cancelServerbound(ServerboundPackets1_13.ENTITY_NBT_REQUEST);
// New 0x15 - Pick Item -> Plugin Message
registerServerbound(ServerboundPackets1_13.PICK_ITEM, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
// Channel
wrapper.write(Type.STRING, "MC|PickItem");
}
});
}
});
registerServerbound(ServerboundPackets1_13.CRAFT_RECIPE_REQUEST, new PacketRemapper() {
@Override
public void registerMap() {
// Window id
map(Type.BYTE);
handler(wrapper -> {
String s = wrapper.read(Type.STRING);
Integer id;
if (s.length() < 19 || (id = Ints.tryParse(s.substring(18))) == null) {
wrapper.cancel();
return;
}
wrapper.write(Type.VAR_INT, id);
});
}
});
registerServerbound(ServerboundPackets1_13.RECIPE_BOOK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Type
map(Type.VAR_INT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int type = wrapper.get(Type.VAR_INT, 0);
if (type == 0) {
String s = wrapper.read(Type.STRING);
Integer id;
// Custom recipes
if (s.length() < 19 || (id = Ints.tryParse(s.substring(18))) == null) {
wrapper.cancel();
return;
}
wrapper.write(Type.INT, id);
}
if (type == 1) {
// Crafting Recipe Book Open
wrapper.passthrough(Type.BOOLEAN);
// Crafting Recipe Filter Active
wrapper.passthrough(Type.BOOLEAN);
// Smelting Recipe Book Open | IGNORE NEW 1.13 FIELD
wrapper.read(Type.BOOLEAN);
// Smelting Recipe Filter Active | IGNORE NEW 1.13 FIELD
wrapper.read(Type.BOOLEAN);
}
}
});
}
});
// New 0x1C - Name Item -> Plugin Message
registerServerbound(ServerboundPackets1_13.RENAME_ITEM, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Channel
wrapper.write(Type.STRING, "MC|ItemName");
});
}
});
// New 0x1F - Select Trade -> Plugin Message
registerServerbound(ServerboundPackets1_13.SELECT_TRADE, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Channel
wrapper.write(Type.STRING, "MC|TrSel");
});
// Slot
map(Type.VAR_INT, Type.INT);
}
});
// New 0x20 - Set Beacon Effect -> Plugin Message
registerServerbound(ServerboundPackets1_13.SET_BEACON_EFFECT, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Channel
wrapper.write(Type.STRING, "MC|Beacon");
});
// Primary Effect
map(Type.VAR_INT, Type.INT);
// Secondary Effect
map(Type.VAR_INT, Type.INT);
}
});
// New 0x22 - Update Command Block -> Plugin Message
registerServerbound(ServerboundPackets1_13.UPDATE_COMMAND_BLOCK, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> wrapper.write(Type.STRING, "MC|AutoCmd"));
handler(POS_TO_3_INT);
// Command
map(Type.STRING);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int mode = wrapper.read(Type.VAR_INT);
byte flags = wrapper.read(Type.BYTE);
String stringMode = mode == 0 ? "SEQUENCE" : mode == 1 ? "AUTO" : "REDSTONE";
// Track output
wrapper.write(Type.BOOLEAN, (flags & 0x1) != 0);
wrapper.write(Type.STRING, stringMode);
// Is conditional
wrapper.write(Type.BOOLEAN, (flags & 0x2) != 0);
// Automatic
wrapper.write(Type.BOOLEAN, (flags & 0x4) != 0);
}
});
}
});
// New 0x23 - Update Command Block Minecart -> Plugin Message
registerServerbound(ServerboundPackets1_13.UPDATE_COMMAND_BLOCK_MINECART, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.STRING, "MC|AdvCmd");
// Type 1 for Entity
wrapper.write(Type.BYTE, (byte) 1);
}
});
// Entity Id
map(Type.VAR_INT, Type.INT);
}
});
// 0x1B -> 0x24 in InventoryPackets
// New 0x25 - Update Structure Block -> Message Channel
registerServerbound(ServerboundPackets1_13.UPDATE_STRUCTURE_BLOCK, ServerboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
// Channel
wrapper.write(Type.STRING, "MC|Struct");
});
handler(POS_TO_3_INT);
map(Type.VAR_INT, new // Action
ValueTransformer<Integer, Byte>(// Action
Type.BYTE) {
@Override
public Byte transform(PacketWrapper wrapper, Integer action) throws Exception {
return (byte) (action + 1);
}
});
// Action
map(Type.VAR_INT, new ValueTransformer<Integer, String>(Type.STRING) {
@Override
public String transform(PacketWrapper wrapper, Integer mode) throws Exception {
return mode == 0 ? "SAVE" : mode == 1 ? "LOAD" : mode == 2 ? "CORNER" : "DATA";
}
});
// Name
map(Type.STRING);
// Offset X
map(Type.BYTE, Type.INT);
// Offset Y
map(Type.BYTE, Type.INT);
// Offset Z
map(Type.BYTE, Type.INT);
// Size X
map(Type.BYTE, Type.INT);
// Size Y
map(Type.BYTE, Type.INT);
// Size Z
map(Type.BYTE, Type.INT);
map(Type.VAR_INT, new // Mirror
ValueTransformer<Integer, String>(// Mirror
Type.STRING) {
@Override
public String transform(PacketWrapper wrapper, Integer mirror) throws Exception {
return mirror == 0 ? "NONE" : mirror == 1 ? "LEFT_RIGHT" : "FRONT_BACK";
}
});
map(Type.VAR_INT, new // Rotation
ValueTransformer<Integer, String>(// Rotation
Type.STRING) {
@Override
public String transform(PacketWrapper wrapper, Integer rotation) throws Exception {
return rotation == 0 ? "NONE" : rotation == 1 ? "CLOCKWISE_90" : rotation == 2 ? "CLOCKWISE_180" : "COUNTERCLOCKWISE_90";
}
});
map(Type.STRING);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
float integrity = wrapper.read(Type.FLOAT);
long seed = wrapper.read(Type.VAR_LONG);
byte flags = wrapper.read(Type.BYTE);
// Ignore Entities
wrapper.write(Type.BOOLEAN, (flags & 0x1) != 0);
// Show air
wrapper.write(Type.BOOLEAN, (flags & 0x2) != 0);
// Show bounding box
wrapper.write(Type.BOOLEAN, (flags & 0x4) != 0);
wrapper.write(Type.FLOAT, integrity);
wrapper.write(Type.VAR_LONG, seed);
}
});
}
});
}
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