ViaBackwards/common/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/packets/EntityPackets1_14.java

573 lines
25 KiB
Java

/*
* This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
* Copyright (C) 2016-2021 ViaVersion and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.packets;
import nl.matsv.viabackwards.ViaBackwards;
import nl.matsv.viabackwards.api.entities.meta.MetaHandler;
import nl.matsv.viabackwards.api.entities.storage.EntityData;
import nl.matsv.viabackwards.api.entities.storage.EntityPositionHandler;
import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
import nl.matsv.viabackwards.api.exceptions.RemovedValueException;
import nl.matsv.viabackwards.api.rewriters.LegacyEntityRewriter;
import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14;
import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage;
import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.storage.EntityPositionStorage1_14;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.entities.Entity1_13Types;
import us.myles.ViaVersion.api.entities.Entity1_14Types;
import us.myles.ViaVersion.api.entities.EntityType;
import us.myles.ViaVersion.api.minecraft.Position;
import us.myles.ViaVersion.api.minecraft.VillagerData;
import us.myles.ViaVersion.api.minecraft.item.Item;
import us.myles.ViaVersion.api.minecraft.metadata.MetaType;
import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_13_2;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.api.type.types.Particle;
import us.myles.ViaVersion.api.type.types.version.Types1_13_2;
import us.myles.ViaVersion.api.type.types.version.Types1_14;
import us.myles.ViaVersion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14;
import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
public class EntityPackets1_14 extends LegacyEntityRewriter<Protocol1_13_2To1_14> {
private EntityPositionHandler positionHandler;
public EntityPackets1_14(Protocol1_13_2To1_14 protocol) {
super(protocol, MetaType1_13_2.OptChat, MetaType1_13_2.Boolean);
}
@Override
protected void addTrackedEntity(PacketWrapper wrapper, int entityId, EntityType type) throws Exception {
super.addTrackedEntity(wrapper, entityId, type);
// Cache the position for every newly tracked entity
if (type == Entity1_14Types.PAINTING) {
final Position position = wrapper.get(Type.POSITION, 0);
positionHandler.cacheEntityPosition(wrapper, position.getX(), position.getY(), position.getZ(), true, false);
} else if (wrapper.getId() != 0x25) { // ignore join game
positionHandler.cacheEntityPosition(wrapper, true, false);
}
}
@Override
protected void registerPackets() {
positionHandler = new EntityPositionHandler(this, EntityPositionStorage1_14.class, EntityPositionStorage1_14::new);
protocol.registerOutgoing(ClientboundPackets1_14.ENTITY_STATUS, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
int entityId = wrapper.passthrough(Type.INT);
byte status = wrapper.passthrough(Type.BYTE);
// Check for death status
if (status != 3) return;
EntityTracker.ProtocolEntityTracker tracker = getEntityTracker(wrapper.user());
EntityType entityType = tracker.getEntityType(entityId);
if (entityType != Entity1_14Types.PLAYER) return;
// Remove equipment, else the client will see ghost items
for (int i = 0; i <= 5; i++) {
PacketWrapper equipmentPacket = wrapper.create(0x42);
equipmentPacket.write(Type.VAR_INT, entityId);
equipmentPacket.write(Type.VAR_INT, i);
equipmentPacket.write(Type.FLAT_VAR_INT_ITEM, null);
equipmentPacket.send(Protocol1_13_2To1_14.class, true, true);
}
});
}
});
protocol.registerOutgoing(ClientboundPackets1_14.ENTITY_TELEPORT, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.DOUBLE);
map(Type.DOUBLE);
map(Type.DOUBLE);
handler(wrapper -> positionHandler.cacheEntityPosition(wrapper, false, false));
}
});
PacketRemapper relativeMoveHandler = new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.SHORT);
map(Type.SHORT);
map(Type.SHORT);
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
double x = wrapper.get(Type.SHORT, 0) / EntityPositionHandler.RELATIVE_MOVE_FACTOR;
double y = wrapper.get(Type.SHORT, 1) / EntityPositionHandler.RELATIVE_MOVE_FACTOR;
double z = wrapper.get(Type.SHORT, 2) / EntityPositionHandler.RELATIVE_MOVE_FACTOR;
positionHandler.cacheEntityPosition(wrapper, x, y, z, false, true);
}
});
}
};
protocol.registerOutgoing(ClientboundPackets1_14.ENTITY_POSITION, relativeMoveHandler);
protocol.registerOutgoing(ClientboundPackets1_14.ENTITY_POSITION_AND_ROTATION, relativeMoveHandler);
protocol.registerOutgoing(ClientboundPackets1_14.SPAWN_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity id
map(Type.UUID); // 1 - UUID
map(Type.VAR_INT, Type.BYTE); // 2 - Type
map(Type.DOUBLE); // 3 - X
map(Type.DOUBLE); // 4 - Y
map(Type.DOUBLE); // 5 - Z
map(Type.BYTE); // 6 - Pitch
map(Type.BYTE); // 7 - Yaw
map(Type.INT); // 8 - Data
map(Type.SHORT); // 9 - Velocity X
map(Type.SHORT); // 10 - Velocity Y
map(Type.SHORT); // 11 - Velocity Z
handler(getObjectTrackerHandler());
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int id = wrapper.get(Type.BYTE, 0);
int mappedId = getOldEntityId(id);
Entity1_13Types.EntityType entityType = Entity1_13Types.getTypeFromId(mappedId, false);
Entity1_13Types.ObjectType objectType;
if (entityType.isOrHasParent(Entity1_13Types.EntityType.MINECART_ABSTRACT)) {
objectType = Entity1_13Types.ObjectType.MINECART;
int data = 0;
switch (entityType) {
case CHEST_MINECART:
data = 1;
break;
case FURNACE_MINECART:
data = 2;
break;
case TNT_MINECART:
data = 3;
break;
case SPAWNER_MINECART:
data = 4;
break;
case HOPPER_MINECART:
data = 5;
break;
case COMMAND_BLOCK_MINECART:
data = 6;
break;
}
if (data != 0)
wrapper.set(Type.INT, 0, data);
} else {
objectType = Entity1_13Types.ObjectType.fromEntityType(entityType).orElse(null);
}
if (objectType == null) return;
wrapper.set(Type.BYTE, 0, (byte) objectType.getId());
int data = wrapper.get(Type.INT, 0);
if (objectType == Entity1_13Types.ObjectType.FALLING_BLOCK) {
int blockState = wrapper.get(Type.INT, 0);
int combined = protocol.getMappingData().getNewBlockStateId(blockState);
wrapper.set(Type.INT, 0, combined);
} else if (entityType.isOrHasParent(Entity1_13Types.EntityType.ABSTRACT_ARROW)) {
wrapper.set(Type.INT, 0, data + 1);
}
}
});
}
});
protocol.registerOutgoing(ClientboundPackets1_14.SPAWN_MOB, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.UUID); // 1 - Entity UUID
map(Type.VAR_INT); // 2 - Entity Type
map(Type.DOUBLE); // 3 - X
map(Type.DOUBLE); // 4 - Y
map(Type.DOUBLE); // 5 - Z
map(Type.BYTE); // 6 - Yaw
map(Type.BYTE); // 7 - Pitch
map(Type.BYTE); // 8 - Head Pitch
map(Type.SHORT); // 9 - Velocity X
map(Type.SHORT); // 10 - Velocity Y
map(Type.SHORT); // 11 - Velocity Z
map(Types1_14.METADATA_LIST, Types1_13_2.METADATA_LIST); // 12 - Metadata
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
int type = wrapper.get(Type.VAR_INT, 1);
EntityType entityType = Entity1_14Types.getTypeFromId(type);
addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), entityType);
int oldId = typeMapping.get(type);
if (oldId == -1) {
EntityData entityData = getEntityData(entityType);
if (entityData == null) {
ViaBackwards.getPlatform().getLogger().warning("Could not find 1.13.2 entity type for 1.14 entity type " + type + "/" + entityType);
wrapper.cancel();
} else {
wrapper.set(Type.VAR_INT, 1, entityData.getReplacementId());
}
} else {
wrapper.set(Type.VAR_INT, 1, oldId);
}
}
});
// Handle entity type & metadata
handler(getMobSpawnRewriter(Types1_13_2.METADATA_LIST));
}
});
getProtocol().registerOutgoing(ClientboundPackets1_14.SPAWN_EXPERIENCE_ORB, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity id
map(Type.DOUBLE); // Needs to be mapped for the position cache
map(Type.DOUBLE);
map(Type.DOUBLE);
handler(wrapper -> addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), Entity1_14Types.EXPERIENCE_ORB));
}
});
getProtocol().registerOutgoing(ClientboundPackets1_14.SPAWN_GLOBAL_ENTITY, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity id
map(Type.BYTE);
map(Type.DOUBLE); // Needs to be mapped for the position cache
map(Type.DOUBLE);
map(Type.DOUBLE);
handler(wrapper -> addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), Entity1_14Types.LIGHTNING_BOLT));
}
});
protocol.registerOutgoing(ClientboundPackets1_14.SPAWN_PAINTING, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT);
map(Type.UUID);
map(Type.VAR_INT);
map(Type.POSITION1_14, Type.POSITION);
map(Type.BYTE);
// Track entity
handler(wrapper -> addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), Entity1_14Types.PAINTING));
}
});
protocol.registerOutgoing(ClientboundPackets1_14.SPAWN_PLAYER, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // 0 - Entity ID
map(Type.UUID); // 1 - Player UUID
map(Type.DOUBLE); // 2 - X
map(Type.DOUBLE); // 3 - Y
map(Type.DOUBLE); // 4 - Z
map(Type.BYTE); // 5 - Yaw
map(Type.BYTE); // 6 - Pitch
map(Types1_14.METADATA_LIST, Types1_13_2.METADATA_LIST); // 7 - Metadata
handler(getTrackerAndMetaHandler(Types1_13_2.METADATA_LIST, Entity1_14Types.PLAYER));
handler(wrapper -> positionHandler.cacheEntityPosition(wrapper, true, false));
}
});
registerEntityDestroy(ClientboundPackets1_14.DESTROY_ENTITIES);
registerMetadataRewriter(ClientboundPackets1_14.ENTITY_METADATA, Types1_14.METADATA_LIST, Types1_13_2.METADATA_LIST);
protocol.registerOutgoing(ClientboundPackets1_14.JOIN_GAME, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Entity ID
map(Type.UNSIGNED_BYTE); // 1 - Gamemode
map(Type.INT); // 2 - Dimension
handler(getTrackerHandler(Entity1_14Types.PLAYER, Type.INT));
handler(getDimensionHandler(1));
handler(new PacketHandler() {
@Override
public void handle(PacketWrapper wrapper) throws Exception {
wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
wrapper.passthrough(Type.UNSIGNED_BYTE); // Max Players
wrapper.passthrough(Type.STRING); // Level Type
wrapper.read(Type.VAR_INT); // Read View Distance
}
});
}
});
protocol.registerOutgoing(ClientboundPackets1_14.RESPAWN, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.INT); // 0 - Dimension ID
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);
wrapper.write(Type.UNSIGNED_BYTE, (short) 0); // Difficulty
wrapper.user().get(ChunkLightStorage.class).clear();
}
});
}
});
}
@Override
protected void registerRewrites() {
mapTypes(Entity1_14Types.values(), Entity1_13Types.EntityType.class);
mapEntity(Entity1_14Types.CAT, Entity1_14Types.OCELOT).jsonName("Cat");
mapEntity(Entity1_14Types.TRADER_LLAMA, Entity1_14Types.LLAMA).jsonName("Trader Llama");
mapEntity(Entity1_14Types.FOX, Entity1_14Types.WOLF).jsonName("Fox");
mapEntity(Entity1_14Types.PANDA, Entity1_14Types.POLAR_BEAR).jsonName("Panda");
mapEntity(Entity1_14Types.PILLAGER, Entity1_14Types.VILLAGER).jsonName("Pillager");
mapEntity(Entity1_14Types.WANDERING_TRADER, Entity1_14Types.VILLAGER).jsonName("Wandering Trader");
mapEntity(Entity1_14Types.RAVAGER, Entity1_14Types.COW).jsonName("Ravager");
registerMetaHandler().handle(e -> {
Metadata meta = e.getData();
int typeId = meta.getMetaType().getTypeID();
if (typeId <= 15) {
meta.setMetaType(MetaType1_13_2.byId(typeId));
}
MetaType type = meta.getMetaType();
if (type == MetaType1_13_2.Slot) {
Item item = (Item) meta.getValue();
meta.setValue(getProtocol().getBlockItemPackets().handleItemToClient(item));
} else if (type == MetaType1_13_2.BlockID) {
int blockstate = (Integer) meta.getValue();
meta.setValue(protocol.getMappingData().getNewBlockStateId(blockstate));
}
return meta;
});
registerMetaHandler().filter(Entity1_14Types.PILLAGER, 15).removed();
registerMetaHandler().filter(Entity1_14Types.FOX, 15).removed();
registerMetaHandler().filter(Entity1_14Types.FOX, 16).removed();
registerMetaHandler().filter(Entity1_14Types.FOX, 17).removed();
registerMetaHandler().filter(Entity1_14Types.FOX, 18).removed();
registerMetaHandler().filter(Entity1_14Types.PANDA, 15).removed();
registerMetaHandler().filter(Entity1_14Types.PANDA, 16).removed();
registerMetaHandler().filter(Entity1_14Types.PANDA, 17).removed();
registerMetaHandler().filter(Entity1_14Types.PANDA, 18).removed();
registerMetaHandler().filter(Entity1_14Types.PANDA, 19).removed();
registerMetaHandler().filter(Entity1_14Types.PANDA, 20).removed();
registerMetaHandler().filter(Entity1_14Types.CAT, 18).removed();
registerMetaHandler().filter(Entity1_14Types.CAT, 19).removed();
registerMetaHandler().filter(Entity1_14Types.CAT, 20).removed();
registerMetaHandler().handle(e -> {
EntityType type = e.getEntity().getType();
Metadata meta = e.getData();
if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE) || type == Entity1_14Types.RAVAGER || type == Entity1_14Types.WITCH) {
int index = e.getIndex();
if (index == 14) {
throw RemovedValueException.EX;
} else if (index > 14) {
meta.setId(index - 1);
}
}
return meta;
});
registerMetaHandler().filter(Entity1_14Types.AREA_EFFECT_CLOUD, 10).handle(e -> {
Metadata meta = e.getData();
rewriteParticle((Particle) meta.getValue());
return meta;
});
registerMetaHandler().filter(Entity1_14Types.FIREWORK_ROCKET, 8).handle(e -> {
Metadata meta = e.getData();
meta.setMetaType(MetaType1_13_2.VarInt);
Integer value = (Integer) meta.getValue();
if (value == null) meta.setValue(0);
return meta;
});
registerMetaHandler().filter(Entity1_14Types.ABSTRACT_ARROW, true).handle(e -> {
Metadata meta = e.getData();
int index = e.getIndex();
if (index == 9) {
throw RemovedValueException.EX;
} else if (index > 9) {
meta.setId(index - 1);
}
return meta;
});
registerMetaHandler().filter(Entity1_14Types.VILLAGER, 15).removed(); // Head shake timer
MetaHandler villagerDataHandler = e -> {
Metadata meta = e.getData();
VillagerData villagerData = (VillagerData) meta.getValue();
meta.setValue(villagerDataToProfession(villagerData));
meta.setMetaType(MetaType1_13_2.VarInt);
if (meta.getId() == 16) {
meta.setId(15); // decreased by 2 again in one of the following handlers
}
return meta;
};
registerMetaHandler().filter(Entity1_14Types.ZOMBIE_VILLAGER, 18).handle(villagerDataHandler);
registerMetaHandler().filter(Entity1_14Types.VILLAGER, 16).handle(villagerDataHandler);
// Holding arms up - from bitfield into own boolean
registerMetaHandler().filter(Entity1_14Types.ABSTRACT_SKELETON, true, 13).handle(e -> {
byte value = (byte) e.getData().getValue();
if ((value & 4) != 0) {
e.createMeta(new Metadata(14, MetaType1_13_2.Boolean, true));
}
return e.getData();
});
registerMetaHandler().filter(Entity1_14Types.ZOMBIE, true, 13).handle(e -> {
byte value = (byte) e.getData().getValue();
if ((value & 4) != 0) {
e.createMeta(new Metadata(16, MetaType1_13_2.Boolean, true));
}
return e.getData();
});
registerMetaHandler().filter(Entity1_14Types.ZOMBIE, true).handle(e -> {
Metadata meta = e.getData();
int index = e.getIndex();
if (index >= 16) {
meta.setId(index + 1);
}
return meta;
});
// Remove bed location
registerMetaHandler().filter(Entity1_14Types.LIVINGENTITY, true).handle(e -> {
Metadata meta = e.getData();
int index = e.getIndex();
if (index == 12) {
Position position = (Position) meta.getValue();
if (position != null) {
// Use bed
PacketWrapper wrapper = new PacketWrapper(0x33, null, e.getUser());
wrapper.write(Type.VAR_INT, e.getEntity().getEntityId());
wrapper.write(Type.POSITION, position);
try {
wrapper.send(Protocol1_13_2To1_14.class);
} catch (Exception ex) {
ex.printStackTrace();
}
}
throw RemovedValueException.EX;
} else if (index > 12) {
meta.setId(index - 1);
}
return meta;
});
registerMetaHandler().handle(e -> {
Metadata meta = e.getData();
int index = e.getIndex();
if (index == 6) {
throw RemovedValueException.EX;
} else if (index > 6) {
meta.setId(index - 1);
}
return meta;
});
registerMetaHandler().handle(e -> {
Metadata meta = e.getData();
int typeId = meta.getMetaType().getTypeID();
if (typeId > 15) {
ViaBackwards.getPlatform().getLogger().warning("New 1.14 metadata was not handled: " + meta + " entity: " + e.getEntity().getType());
return null;
}
return meta;
});
registerMetaHandler().filter(Entity1_14Types.OCELOT, 13).handle(e -> {
Metadata meta = e.getData();
meta.setId(15);
meta.setMetaType(MetaType1_13_2.VarInt);
meta.setValue(0);
return meta;
});
registerMetaHandler().filter(Entity1_14Types.CAT).handle(e -> {
Metadata meta = e.getData();
if (meta.getId() == 15) {
meta.setValue(1);
} else if (meta.getId() == 13) {
meta.setValue((byte) ((byte) meta.getValue() & 0x4));
}
return meta;
});
}
public int villagerDataToProfession(VillagerData data) {
switch (data.getProfession()) {
case 1: // Armorer
case 10: // Mason
case 13: // Toolsmith
case 14: // Weaponsmith
return 3; // Blacksmith
case 2: // Butcher
case 8: // Leatherworker
return 4; // Butcher
case 3: // Cartographer
case 9: // Librarian
return 1; // Librarian
case 4: // Cleric
return 2; // Priest
case 5: // Farmer
case 6: // Fisherman
case 7: // Fletcher
case 12: // Shepherd
return 0; // Farmer
case 0: // None
case 11: // Nitwit
default:
return 5; // Nitwit
}
}
@Override
protected EntityType getTypeFromId(int typeId) {
return Entity1_14Types.getTypeFromId(typeId);
}
}