ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_14to1_13_2/packets/EntityPackets.java

264 lines
13 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2024 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 com.viaversion.viaversion.protocols.protocol1_14to1_13_2.packets;
import com.viaversion.viaversion.api.minecraft.ClientWorld;
import com.viaversion.viaversion.api.minecraft.Position;
import com.viaversion.viaversion.api.minecraft.entities.EntityType;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_13;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_14;
import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.api.type.types.version.Types1_13_2;
import com.viaversion.viaversion.api.type.types.version.Types1_14;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;
import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14;
import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.Protocol1_14To1_13_2;
import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.metadata.MetadataRewriter1_14To1_13_2;
import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.storage.EntityTracker1_14;
import java.util.LinkedList;
import java.util.List;
public class EntityPackets {
public static void register(Protocol1_14To1_13_2 protocol) {
MetadataRewriter1_14To1_13_2 metadataRewriter = protocol.get(MetadataRewriter1_14To1_13_2.class);
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_EXPERIENCE_ORB, wrapper -> {
int entityId = wrapper.passthrough(Type.VAR_INT);
metadataRewriter.tracker(wrapper.user()).addEntity(entityId, EntityTypes1_14.EXPERIENCE_ORB);
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_GLOBAL_ENTITY, wrapper -> {
int entityId = wrapper.passthrough(Type.VAR_INT);
if (wrapper.passthrough(Type.BYTE) == 1) {
metadataRewriter.tracker(wrapper.user()).addEntity(entityId, EntityTypes1_14.LIGHTNING_BOLT);
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_ENTITY, new PacketHandlers() {
@Override
public void register() {
map(Type.VAR_INT); // 0 - Entity id
map(Type.UUID); // 1 - UUID
map(Type.BYTE, Type.VAR_INT); // 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
// Track Entity
handler(wrapper -> {
int entityId = wrapper.get(Type.VAR_INT, 0);
int typeId = wrapper.get(Type.VAR_INT, 1);
EntityTypes1_13.EntityType type1_13 = EntityTypes1_13.getTypeFromId(typeId, true);
typeId = metadataRewriter.newEntityId(type1_13.getId());
EntityType type1_14 = EntityTypes1_14.getTypeFromId(typeId);
if (type1_14 != null) {
int data = wrapper.get(Type.INT, 0);
if (type1_14.is(EntityTypes1_14.FALLING_BLOCK)) {
wrapper.set(Type.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
} else if (type1_14.is(EntityTypes1_14.MINECART)) {
// default is 0 = rideable minecart
switch (data) {
case 1:
typeId = EntityTypes1_14.CHEST_MINECART.getId();
break;
case 2:
typeId = EntityTypes1_14.FURNACE_MINECART.getId();
break;
case 3:
typeId = EntityTypes1_14.TNT_MINECART.getId();
break;
case 4:
typeId = EntityTypes1_14.SPAWNER_MINECART.getId();
break;
case 5:
typeId = EntityTypes1_14.HOPPER_MINECART.getId();
break;
case 6:
typeId = EntityTypes1_14.COMMAND_BLOCK_MINECART.getId();
break;
}
} else if ((type1_14.is(EntityTypes1_14.ITEM) && data > 0)
|| type1_14.isOrHasParent(EntityTypes1_14.ABSTRACT_ARROW)) {
if (type1_14.isOrHasParent(EntityTypes1_14.ABSTRACT_ARROW)) {
wrapper.set(Type.INT, 0, data - 1);
}
// send velocity in separate packet, 1.14 is now ignoring the velocity
PacketWrapper velocity = wrapper.create(0x45);
velocity.write(Type.VAR_INT, entityId);
velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 0));
velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 1));
velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 2));
velocity.scheduleSend(Protocol1_14To1_13_2.class);
}
// Register Type ID
wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class).addEntity(entityId, type1_14);
}
wrapper.set(Type.VAR_INT, 1, typeId);
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketHandlers() {
@Override
public void register() {
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_13_2.METADATA_LIST, Types1_14.METADATA_LIST); // 12 - Metadata
handler(metadataRewriter.trackerAndRewriterHandler(Types1_14.METADATA_LIST));
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PAINTING, new PacketHandlers() {
@Override
public void register() {
map(Type.VAR_INT);
map(Type.UUID);
map(Type.VAR_INT);
map(Type.POSITION1_8, Type.POSITION1_14);
map(Type.BYTE);
handler(wrapper -> metadataRewriter.tracker(wrapper.user()).addEntity(wrapper.get(Type.VAR_INT, 0), EntityTypes1_14.PAINTING));
}
});
protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PLAYER, new PacketHandlers() {
@Override
public void register() {
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_13_2.METADATA_LIST, Types1_14.METADATA_LIST); // 7 - Metadata
handler(metadataRewriter.trackerAndRewriterHandler(Types1_14.METADATA_LIST, EntityTypes1_14.PLAYER));
}
});
protocol.registerClientbound(ClientboundPackets1_13.ENTITY_ANIMATION, new PacketHandlers() {
@Override
public void register() {
map(Type.VAR_INT);
handler(wrapper -> {
short animation = wrapper.passthrough(Type.UNSIGNED_BYTE);
if (animation == 2) { //Leave bed
EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
int entityId = wrapper.get(Type.VAR_INT, 0);
tracker.setSleeping(entityId, false);
PacketWrapper metadataPacket = wrapper.create(ClientboundPackets1_14.ENTITY_METADATA);
metadataPacket.write(Type.VAR_INT, entityId);
List<Metadata> metadataList = new LinkedList<>();
if (tracker.clientEntityId() != entityId) {
metadataList.add(new Metadata(6, Types1_14.META_TYPES.poseType, MetadataRewriter1_14To1_13_2.recalculatePlayerPose(entityId, tracker)));
}
metadataList.add(new Metadata(12, Types1_14.META_TYPES.optionalPositionType, null));
metadataPacket.write(Types1_14.METADATA_LIST, metadataList);
metadataPacket.scheduleSend(Protocol1_14To1_13_2.class);
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.JOIN_GAME, new PacketHandlers() {
@Override
public void register() {
map(Type.INT); // 0 - Entity ID
map(Type.UNSIGNED_BYTE); // 1 - Gamemode
map(Type.INT); // 2 - Dimension
handler(wrapper -> {
// Store the player
ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
int dimensionId = wrapper.get(Type.INT, 1);
clientChunks.setEnvironment(dimensionId);
});
handler(metadataRewriter.playerTrackerHandler());
handler(wrapper -> {
short difficulty = wrapper.read(Type.UNSIGNED_BYTE); // 19w11a removed difficulty from join game
PacketWrapper difficultyPacket = wrapper.create(ClientboundPackets1_14.SERVER_DIFFICULTY);
difficultyPacket.write(Type.UNSIGNED_BYTE, difficulty);
difficultyPacket.write(Type.BOOLEAN, false); // Unknown value added in 19w11a
difficultyPacket.scheduleSend(protocol.getClass());
wrapper.passthrough(Type.UNSIGNED_BYTE); // Max Players
wrapper.passthrough(Type.STRING); // Level Type
wrapper.write(Type.VAR_INT, WorldPackets.SERVERSIDE_VIEW_DISTANCE); // Serverside view distance, added in 19w13a
});
handler(wrapper -> {
// Manually send the packet
wrapper.send(Protocol1_14To1_13_2.class);
wrapper.cancel();
// View distance has to be sent after the join packet
WorldPackets.sendViewDistancePacket(wrapper.user());
});
}
});
protocol.registerClientbound(ClientboundPackets1_13.USE_BED, ClientboundPackets1_14.ENTITY_METADATA, new PacketHandlers() {
@Override
public void register() {
map(Type.VAR_INT);
handler(wrapper -> {
EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
int entityId = wrapper.get(Type.VAR_INT, 0);
tracker.setSleeping(entityId, true);
Position position = wrapper.read(Type.POSITION1_8);
List<Metadata> metadataList = new LinkedList<>();
metadataList.add(new Metadata(12, Types1_14.META_TYPES.optionalPositionType, position));
if (tracker.clientEntityId() != entityId) {
metadataList.add(new Metadata(6, Types1_14.META_TYPES.poseType, MetadataRewriter1_14To1_13_2.recalculatePlayerPose(entityId, tracker)));
}
wrapper.write(Types1_14.METADATA_LIST, metadataList);
});
}
});
metadataRewriter.registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
metadataRewriter.registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13_2.METADATA_LIST, Types1_14.METADATA_LIST);
}
}