use of com.viaversion.viaversion.api.protocol.remapper.PacketRemapper 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.api.protocol.remapper.PacketRemapper 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.api.protocol.remapper.PacketRemapper in project ViaBackwards by ViaVersion.
the class Protocol1_13_1To1_13_2 method registerPackets.
@Override
protected void registerPackets() {
InventoryPackets1_13_2.register(this);
WorldPackets1_13_2.register(this);
EntityPackets1_13_2.register(this);
registerServerbound(ServerboundPackets1_13.EDIT_BOOK, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM);
}
});
registerClientbound(ClientboundPackets1_13.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
wrapper.passthrough(Type.COMPONENT);
// Description
wrapper.passthrough(Type.COMPONENT);
Item icon = wrapper.read(Type.FLAT_VAR_INT_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);
}
}
}
});
}
});
}
use of com.viaversion.viaversion.api.protocol.remapper.PacketRemapper in project ViaBackwards by ViaVersion.
the class EntityPackets1_13_2 method register.
public static void register(Protocol1_13_1To1_13_2 protocol) {
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Entity UUID
map(Type.UUID);
// 2 - Entity Type
map(Type.VAR_INT);
// 3 - X
map(Type.DOUBLE);
// 4 - Y
map(Type.DOUBLE);
// 5 - Z
map(Type.DOUBLE);
// 6 - Yaw
map(Type.BYTE);
// 7 - Pitch
map(Type.BYTE);
// 8 - Head Pitch
map(Type.BYTE);
// 9 - Velocity X
map(Type.SHORT);
// 10 - Velocity Y
map(Type.SHORT);
// 11 - Velocity Z
map(Type.SHORT);
// 12 - Metadata
map(Types1_13_2.METADATA_LIST, Types1_13.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (Metadata metadata : wrapper.get(Types1_13.METADATA_LIST, 0)) {
metadata.setMetaType(Types1_13.META_TYPES.byId(metadata.metaType().typeId()));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PLAYER, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Player UUID
map(Type.UUID);
// 2 - X
map(Type.DOUBLE);
// 3 - Y
map(Type.DOUBLE);
// 4 - Z
map(Type.DOUBLE);
// 5 - Yaw
map(Type.BYTE);
// 6 - Pitch
map(Type.BYTE);
// 7 - Metadata
map(Types1_13_2.METADATA_LIST, Types1_13.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (Metadata metadata : wrapper.get(Types1_13.METADATA_LIST, 0)) {
metadata.setMetaType(Types1_13.META_TYPES.byId(metadata.metaType().typeId()));
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.ENTITY_METADATA, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Metadata list
map(Types1_13_2.METADATA_LIST, Types1_13.METADATA_LIST);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
for (Metadata metadata : wrapper.get(Types1_13.METADATA_LIST, 0)) {
metadata.setMetaType(Types1_13.META_TYPES.byId(metadata.metaType().typeId()));
}
}
});
}
});
}
use of com.viaversion.viaversion.api.protocol.remapper.PacketRemapper in project ViaBackwards by ViaVersion.
the class InventoryPackets1_13_2 method register.
public static void register(Protocol1_13_1To1_13_2 protocol) {
protocol.registerClientbound(ClientboundPackets1_13.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.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM);
}
});
protocol.registerClientbound(ClientboundPackets1_13.WINDOW_ITEMS, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Window ID
map(Type.UNSIGNED_BYTE);
// 1 - Window Values
map(Type.FLAT_VAR_INT_ITEM_ARRAY, Type.FLAT_ITEM_ARRAY);
}
});
protocol.registerClientbound(ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {
@Override
public void registerMap() {
// Channel
map(Type.STRING);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
String channel = wrapper.get(Type.STRING, 0);
if (channel.equals("minecraft:trader_list") || channel.equals("trader_list")) {
// 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.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
// Output Item
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
// Has second item
boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
if (secondItem) {
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_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.registerClientbound(ClientboundPackets1_13.ENTITY_EQUIPMENT, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Entity ID
map(Type.VAR_INT);
// 1 - Slot ID
map(Type.VAR_INT);
// 2 - Item
map(Type.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM);
}
});
protocol.registerClientbound(ClientboundPackets1_13.DECLARE_RECIPES, new PacketRemapper() {
@Override
public void registerMap() {
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int recipesNo = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < recipesNo; i++) {
// Id
wrapper.passthrough(Type.STRING);
String type = wrapper.passthrough(Type.STRING);
if (type.equals("crafting_shapeless")) {
// Group
wrapper.passthrough(Type.STRING);
int ingredientsNo = wrapper.passthrough(Type.VAR_INT);
for (int i1 = 0; i1 < ingredientsNo; i1++) {
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
}
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
} else if (type.equals("crafting_shaped")) {
int ingredientsNo = wrapper.passthrough(Type.VAR_INT) * wrapper.passthrough(Type.VAR_INT);
// Group
wrapper.passthrough(Type.STRING);
for (int i1 = 0; i1 < ingredientsNo; i1++) {
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
}
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
} else if (type.equals("smelting")) {
// Group
wrapper.passthrough(Type.STRING);
// Ingredient start
wrapper.write(Type.FLAT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
// Ingredient end
wrapper.write(Type.FLAT_ITEM, wrapper.read(Type.FLAT_VAR_INT_ITEM));
// EXP
wrapper.passthrough(Type.FLOAT);
// Cooking time
wrapper.passthrough(Type.VAR_INT);
}
}
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_13.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.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM);
}
});
protocol.registerServerbound(ServerboundPackets1_13.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {
@Override
public void registerMap() {
// 0 - Slot
map(Type.SHORT);
// 1 - Clicked Item
map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM);
}
});
}
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