ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_14to1_13_2/metadata/MetadataRewriter1_14To1_13_...

230 lines
10 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.metadata;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.minecraft.VillagerData;
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.item.DataItem;
import com.viaversion.viaversion.api.minecraft.item.Item;
import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.type.Type;
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.storage.EntityTracker1_14;
import com.viaversion.viaversion.rewriter.EntityRewriter;
public class MetadataRewriter1_14To1_13_2 extends EntityRewriter<ClientboundPackets1_13, Protocol1_14To1_13_2> {
public MetadataRewriter1_14To1_13_2(Protocol1_14To1_13_2 protocol) {
super(protocol);
mapTypes(EntityTypes1_13.EntityType.values(), EntityTypes1_14.class);
mapEntityType(EntityTypes1_13.EntityType.OCELOT, EntityTypes1_14.CAT);
}
@Override
protected void registerRewrites() {
filter().mapMetaType(Types1_14.META_TYPES::byId);
registerMetaTypeHandler(Types1_14.META_TYPES.itemType, Types1_14.META_TYPES.blockStateType, null, Types1_14.META_TYPES.particleType);
filter().type(EntityTypes1_14.ENTITY).addIndex(6);
filter().type(EntityTypes1_14.LIVINGENTITY).addIndex(12);
filter().type(EntityTypes1_14.LIVINGENTITY).index(8).handler((event, meta) -> {
float value = ((Number) meta.getValue()).floatValue();
if (Float.isNaN(value) && Via.getConfig().is1_14HealthNaNFix()) {
meta.setValue(1F);
}
});
filter().type(EntityTypes1_14.ABSTRACT_INSENTIENT).index(13).handler((event, meta) -> {
EntityTracker1_14 tracker = tracker(event.user());
int entityId = event.entityId();
tracker.setInsentientData(entityId, (byte) ((((Number) meta.getValue()).byteValue() & ~0x4)
| (tracker.getInsentientData(entityId) & 0x4))); // New attacking metadata
meta.setValue(tracker.getInsentientData(entityId));
});
filter().type(EntityTypes1_14.PLAYER).handler((event, meta) -> {
EntityTracker1_14 tracker = tracker(event.user());
int entityId = event.entityId();
if (entityId != tracker.clientEntityId()) {
if (meta.id() == 0) {
byte flags = ((Number) meta.getValue()).byteValue();
// Mojang overrides the client-side pose updater, see OtherPlayerEntity#updateSize
tracker.setEntityFlags(entityId, flags);
} else if (meta.id() == 7) {
tracker.setRiptide(entityId, (((Number) meta.getValue()).byteValue() & 0x4) != 0);
}
if (meta.id() == 0 || meta.id() == 7) {
event.createExtraMeta(new Metadata(6, Types1_14.META_TYPES.poseType, recalculatePlayerPose(entityId, tracker)));
}
}
});
filter().type(EntityTypes1_14.ZOMBIE).handler((event, meta) -> {
if (meta.id() == 16) {
EntityTracker1_14 tracker = tracker(event.user());
int entityId = event.entityId();
tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4)
| ((boolean) meta.getValue() ? 0x4 : 0))); // New attacking
event.createExtraMeta(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
event.cancel(); // "Are hands held up"
} else if (meta.id() > 16) {
meta.setId(meta.id() - 1);
}
});
filter().type(EntityTypes1_14.MINECART_ABSTRACT).index(10).handler((event, meta) -> {
int data = meta.value();
meta.setValue(protocol.getMappingData().getNewBlockStateId(data));
});
filter().type(EntityTypes1_14.HORSE).index(18).handler((event, meta) -> {
event.cancel();
int armorType = meta.value();
Item armorItem = null;
if (armorType == 1) { //iron armor
armorItem = new DataItem(protocol.getMappingData().getNewItemId(727), (byte) 1, (short) 0, null);
} else if (armorType == 2) { //gold armor
armorItem = new DataItem(protocol.getMappingData().getNewItemId(728), (byte) 1, (short) 0, null);
} else if (armorType == 3) { //diamond armor
armorItem = new DataItem(protocol.getMappingData().getNewItemId(729), (byte) 1, (short) 0, null);
}
PacketWrapper equipmentPacket = PacketWrapper.create(ClientboundPackets1_14.ENTITY_EQUIPMENT, null, event.user());
equipmentPacket.write(Type.VAR_INT, event.entityId());
equipmentPacket.write(Type.VAR_INT, 4);
equipmentPacket.write(Type.ITEM1_13_2, armorItem);
try {
equipmentPacket.scheduleSend(Protocol1_14To1_13_2.class);
} catch (final Exception e) {
throw new RuntimeException(e);
}
});
filter().type(EntityTypes1_14.VILLAGER).index(15).handler((event, meta) -> {
meta.setTypeAndValue(Types1_14.META_TYPES.villagerDatatType, new VillagerData(2, getNewProfessionId(meta.value()), 0));
});
filter().type(EntityTypes1_14.ZOMBIE_VILLAGER).index(18).handler((event, meta) -> {
meta.setTypeAndValue(Types1_14.META_TYPES.villagerDatatType, new VillagerData(2, getNewProfessionId(meta.value()), 0));
});
filter().type(EntityTypes1_14.ABSTRACT_ARROW).addIndex(9); // Piercing level added
filter().type(EntityTypes1_14.FIREWORK_ROCKET).index(8).handler((event, meta) -> {
});
filter().type(EntityTypes1_14.HORSE).index(18).handler((event, meta) -> {
meta.setMetaType(Types1_14.META_TYPES.optionalVarIntType);
if (meta.getValue().equals(0)) {
meta.setValue(null); // https://bugs.mojang.com/browse/MC-111480
}
});
filter().type(EntityTypes1_14.ABSTRACT_SKELETON).index(14).handler((event, meta) -> {
EntityTracker1_14 tracker = tracker(event.user());
int entityId = event.entityId();
tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4)
| ((boolean) meta.getValue() ? 0x4 : 0))); // New attacking
event.createExtraMeta(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
event.cancel(); // "Is swinging arms"
});
filter().type(EntityTypes1_14.ABSTRACT_ILLAGER_BASE).index(14).handler((event, meta) -> {
EntityTracker1_14 tracker = tracker(event.user());
int entityId = event.entityId();
tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4)
| (((Number) meta.getValue()).byteValue() != 0 ? 0x4 : 0))); // New attacking
event.createExtraMeta(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
event.cancel(); // "Has target (aggressive state)"
});
filter().handler((event, meta) -> {
EntityType type = event.entityType();
if (type.is(EntityTypes1_14.WITCH) || type.is(EntityTypes1_14.RAVAGER) || type.isOrHasParent(EntityTypes1_14.ABSTRACT_ILLAGER_BASE)) {
if (meta.id() >= 14) { // 19w13 added a new boolean (raid participant - is celebrating) with id 14
meta.setId(meta.id() + 1);
}
}
});
}
@Override
public EntityType typeFromId(int type) {
return EntityTypes1_14.getTypeFromId(type);
}
private static boolean isSneaking(byte flags) {
return (flags & 0x2) != 0;
}
private static boolean isSwimming(byte flags) {
return (flags & 0x10) != 0;
}
private static int getNewProfessionId(int old) {
// profession -> career
switch (old) {
case 0: // farmer
return 5;
case 1: // librarian
return 9;
case 2: // priest
return 4; // cleric
case 3: // blacksmith
return 1; // armorer
case 4: // butcher
return 2;
case 5: // nitwit
return 11;
default:
return 0; // none
}
}
private static boolean isFallFlying(int entityFlags) {
return (entityFlags & 0x80) != 0;
}
public static int recalculatePlayerPose(int entityId, EntityTracker1_14 tracker) {
byte flags = tracker.getEntityFlags(entityId);
// Mojang overrides the client-side pose updater, see OtherPlayerEntity#updateSize
int pose = 0; // standing
if (isFallFlying(flags)) {
pose = 1;
} else if (tracker.isSleeping(entityId)) {
pose = 2;
} else if (isSwimming(flags)) {
pose = 3;
} else if (tracker.isRiptide(entityId)) {
pose = 4;
} else if (isSneaking(flags)) {
pose = 5;
}
return pose;
}
}