ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_13to1_12_2/metadata/MetadataRewriter1_13To1_12_...

141 lines
6.2 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2023 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_13to1_12_2.metadata;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.minecraft.Particle;
import com.viaversion.viaversion.api.minecraft.entities.EntityType;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_13;
import com.viaversion.viaversion.api.minecraft.item.Item;
import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
import com.viaversion.viaversion.api.type.types.version.Types1_13;
import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ClientboundPackets1_12_1;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.Protocol1_13To1_12_2;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.EntityTypeRewriter;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.ParticleRewriter;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.packets.WorldPackets;
import com.viaversion.viaversion.rewriter.EntityRewriter;
import com.viaversion.viaversion.util.ComponentUtil;
import java.util.List;
public class MetadataRewriter1_13To1_12_2 extends EntityRewriter<ClientboundPackets1_12_1, Protocol1_13To1_12_2> {
public MetadataRewriter1_13To1_12_2(Protocol1_13To1_12_2 protocol) {
super(protocol);
}
@Override
protected void handleMetadata(int entityId, EntityType type, Metadata metadata, List<Metadata> metadatas, UserConnection connection) throws Exception {
// Handle new MetaTypes
if (metadata.metaType().typeId() > 4) {
metadata.setMetaType(Types1_13.META_TYPES.byId(metadata.metaType().typeId() + 1));
} else {
metadata.setMetaType(Types1_13.META_TYPES.byId(metadata.metaType().typeId()));
}
// Handle String -> Chat DisplayName
if (metadata.id() == 2) {
if (metadata.getValue() != null && !((String) metadata.getValue()).isEmpty()) {
metadata.setTypeAndValue(Types1_13.META_TYPES.optionalComponentType, ComponentUtil.legacyToJson((String) metadata.getValue()));
} else {
metadata.setTypeAndValue(Types1_13.META_TYPES.optionalComponentType, null);
}
}
// Remap held block to match new format for remapping to flat block
if (type == EntityTypes1_13.EntityType.ENDERMAN && metadata.id() == 12) {
int stateId = (int) metadata.getValue();
int id = stateId & 4095;
int data = stateId >> 12 & 15;
metadata.setValue((id << 4) | (data & 0xF));
}
// 1.13 changed item to flat item (no data)
if (metadata.metaType() == Types1_13.META_TYPES.itemType) {
metadata.setMetaType(Types1_13.META_TYPES.itemType);
protocol.getItemRewriter().handleItemToClient((Item) metadata.getValue());
} else if (metadata.metaType() == Types1_13.META_TYPES.blockStateType) {
// Convert to new block id
metadata.setValue(WorldPackets.toNewId((int) metadata.getValue()));
}
// Skip type related changes when the type is null
if (type == null) return;
// Handle new colors
if (type == EntityTypes1_13.EntityType.WOLF && metadata.id() == 17) {
metadata.setValue(15 - (int) metadata.getValue());
}
// Handle new zombie meta (INDEX 15 - Boolean - Zombie is shaking while enabled)
if (type.isOrHasParent(EntityTypes1_13.EntityType.ZOMBIE)) {
if (metadata.id() > 14)
metadata.setId(metadata.id() + 1);
}
// Handle Minecart inner block
if (type.isOrHasParent(EntityTypes1_13.EntityType.MINECART_ABSTRACT) && metadata.id() == 9) {
// New block format
int oldId = (int) metadata.getValue();
int combined = (((oldId & 4095) << 4) | (oldId >> 12 & 15));
int newId = WorldPackets.toNewId(combined);
metadata.setValue(newId);
}
// Handle other changes
if (type == EntityTypes1_13.EntityType.AREA_EFFECT_CLOUD) {
if (metadata.id() == 9) {
int particleId = (int) metadata.getValue();
Metadata parameter1Meta = metaByIndex(10, metadatas);
Metadata parameter2Meta = metaByIndex(11, metadatas);
int parameter1 = parameter1Meta != null ? (int) parameter1Meta.getValue() : 0;
int parameter2 = parameter2Meta != null ? (int) parameter2Meta.getValue() : 0;
Particle particle = ParticleRewriter.rewriteParticle(particleId, new Integer[]{parameter1, parameter2});
if (particle != null && particle.getId() != -1) {
metadatas.add(new Metadata(9, Types1_13.META_TYPES.particleType, particle));
}
}
if (metadata.id() >= 9)
metadatas.remove(metadata); // Remove
}
if (metadata.id() == 0) {
metadata.setValue((byte) ((byte) metadata.getValue() & ~0x10)); // Previously unused, now swimming
}
// TODO: Boat has changed
}
@Override
public int newEntityId(final int id) {
return EntityTypeRewriter.getNewId(id);
}
@Override
public EntityType typeFromId(int type) {
return EntityTypes1_13.getTypeFromId(type, false);
}
@Override
public EntityType objectTypeFromId(int type) {
return EntityTypes1_13.getTypeFromId(type, true);
}
}