Examples with Metadata com.viaversion.viaversion.api.minecraft.metadata.Metadata used on opensource projects

Example 11 with Metadata

use of com.viaversion.viaversion.api.minecraft.metadata.Metadata in project ViaBackwards by ViaVersion.

the class EntityRewriterBase method handleMetadata.

@Override
public void handleMetadata(int entityId, List<Metadata> metadataList, UserConnection connection) {
    super.handleMetadata(entityId, metadataList, connection);
    EntityType type = tracker(connection).entityType(entityId);
    if (type == null) {
        // Don't handle untracked entities - basically always the fault of a plugin sending virtual entities through concurrency-unsafe handling
        return;
    }
    EntityData entityData = entityDataForType(type);
    // Set the mapped entity name if there is no custom name set already
    Metadata meta = getMeta(displayNameIndex, metadataList);
    if (meta != null && entityData != null && entityData.mobName() != null && (meta.getValue() == null || meta.getValue().toString().isEmpty()) && meta.metaType().typeId() == displayNameMetaType.typeId()) {
        meta.setValue(entityData.mobName());
        if (ViaBackwards.getConfig().alwaysShowOriginalMobName()) {
            removeMeta(displayVisibilityIndex, metadataList);
            metadataList.add(new Metadata(displayVisibilityIndex, displayVisibilityMetaType, true));
        }
    }
    // TODO only do this once for a first meta packet?
    if (entityData != null && entityData.hasBaseMeta()) {
        entityData.defaultMeta().createMeta(new WrappedMetadata(metadataList));
    }
}

Example 12 with Metadata

use of com.viaversion.viaversion.api.minecraft.metadata.Metadata in project ViaVersion by ViaVersion.

the class MetaListType method read.

@Override
public List<Metadata> read(final ByteBuf buffer) throws Exception {
    final List<Metadata> list = new ArrayList<>();
    Metadata meta;
    do {
        meta = this.type.read(buffer);
        if (meta != null) {
            list.add(meta);
        }
    } while (meta != null);
    return list;
}

Example 13 with Metadata

use of com.viaversion.viaversion.api.minecraft.metadata.Metadata in project ViaVersion by ViaVersion.

the class ModernMetaType method read.

@Override
public Metadata read(final ByteBuf buffer) throws Exception {
    final short index = buffer.readUnsignedByte();
    // End of metadata
    if (index == END)
        return null;
    final MetaType type = this.getType(Type.VAR_INT.readPrimitive(buffer));
    return new Metadata(index, type, type.type().read(buffer));
}

Example 14 with Metadata

use of com.viaversion.viaversion.api.minecraft.metadata.Metadata in project ViaVersion by ViaVersion.

the class MetadataRewriter1_13To1_12_2 method handleMetadata.

@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, ChatRewriter.legacyTextToJson((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 == Entity1_13Types.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 == Entity1_13Types.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(Entity1_13Types.EntityType.ZOMBIE)) {
        if (metadata.id() > 14)
            metadata.setId(metadata.id() + 1);
    }
    // Handle Minecart inner block
    if (type.isOrHasParent(Entity1_13Types.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 == Entity1_13Types.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)
            // Remove
            metadatas.remove(metadata);
    }
    if (metadata.id() == 0) {
        // Previously unused, now swimming
        metadata.setValue((byte) ((byte) metadata.getValue() & ~0x10));
    }
// TODO: Boat has changed
}

Example 15 with Metadata

use of com.viaversion.viaversion.api.minecraft.metadata.Metadata in project ViaVersion by ViaVersion.

the class MetadataRewriter1_14To1_13_2 method handleMetadata.

@Override
protected void handleMetadata(int entityId, EntityType type, Metadata metadata, List<Metadata> metadatas, UserConnection connection) throws Exception {
    metadata.setMetaType(Types1_14.META_TYPES.byId(metadata.metaType().typeId()));
    EntityTracker1_14 tracker = tracker(connection);
    if (metadata.metaType() == Types1_14.META_TYPES.itemType) {
        protocol.getItemRewriter().handleItemToClient((Item) metadata.getValue());
    } else if (metadata.metaType() == Types1_14.META_TYPES.blockStateType) {
        // Convert to new block id
        int data = (int) metadata.getValue();
        metadata.setValue(protocol.getMappingData().getNewBlockStateId(data));
    } else if (metadata.metaType() == Types1_14.META_TYPES.particleType) {
        rewriteParticle((Particle) metadata.getValue());
    }
    if (type == null)
        return;
    // Metadata 6 added to abstract_entity
    if (metadata.id() > 5) {
        metadata.setId(metadata.id() + 1);
    }
    if (metadata.id() == 8 && type.isOrHasParent(Entity1_14Types.LIVINGENTITY)) {
        final float v = ((Number) metadata.getValue()).floatValue();
        if (Float.isNaN(v) && Via.getConfig().is1_14HealthNaNFix()) {
            metadata.setValue(1F);
        }
    }
    // Metadata 12 added to living_entity
    if (metadata.id() > 11 && type.isOrHasParent(Entity1_14Types.LIVINGENTITY)) {
        metadata.setId(metadata.id() + 1);
    }
    if (type.isOrHasParent(Entity1_14Types.ABSTRACT_INSENTIENT)) {
        if (metadata.id() == 13) {
            tracker.setInsentientData(entityId, (byte) ((((Number) metadata.getValue()).byteValue() & ~0x4) | // New attacking metadata
            (tracker.getInsentientData(entityId) & 0x4)));
            metadata.setValue(tracker.getInsentientData(entityId));
        }
    }
    if (type.isOrHasParent(Entity1_14Types.PLAYER)) {
        if (entityId != tracker.clientEntityId()) {
            if (metadata.id() == 0) {
                byte flags = ((Number) metadata.getValue()).byteValue();
                // Mojang overrides the client-side pose updater, see OtherPlayerEntity#updateSize
                tracker.setEntityFlags(entityId, flags);
            } else if (metadata.id() == 7) {
                tracker.setRiptide(entityId, (((Number) metadata.getValue()).byteValue() & 0x4) != 0);
            }
            if (metadata.id() == 0 || metadata.id() == 7) {
                metadatas.add(new Metadata(6, Types1_14.META_TYPES.poseType, recalculatePlayerPose(entityId, tracker)));
            }
        }
    } else if (type.isOrHasParent(Entity1_14Types.ZOMBIE)) {
        if (metadata.id() == 16) {
            tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4) | // New attacking
            ((boolean) metadata.getValue() ? 0x4 : 0)));
            // "Are hands held up"
            metadatas.remove(metadata);
            metadatas.add(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
        } else if (metadata.id() > 16) {
            metadata.setId(metadata.id() - 1);
        }
    }
    if (type.isOrHasParent(Entity1_14Types.MINECART_ABSTRACT)) {
        if (metadata.id() == 10) {
            // New block format
            int data = (int) metadata.getValue();
            metadata.setValue(protocol.getMappingData().getNewBlockStateId(data));
        }
    } else if (type.is(Entity1_14Types.HORSE)) {
        if (metadata.id() == 18) {
            metadatas.remove(metadata);
            int armorType = (int) metadata.getValue();
            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, connection);
            equipmentPacket.write(Type.VAR_INT, entityId);
            equipmentPacket.write(Type.VAR_INT, 4);
            equipmentPacket.write(Type.FLAT_VAR_INT_ITEM, armorItem);
            equipmentPacket.scheduleSend(Protocol1_14To1_13_2.class);
        }
    } else if (type.is(Entity1_14Types.VILLAGER)) {
        if (metadata.id() == 15) {
            // plains
            metadata.setTypeAndValue(Types1_14.META_TYPES.villagerDatatType, new VillagerData(2, getNewProfessionId((int) metadata.getValue()), 0));
        }
    } else if (type.is(Entity1_14Types.ZOMBIE_VILLAGER)) {
        if (metadata.id() == 18) {
            // plains
            metadata.setTypeAndValue(Types1_14.META_TYPES.villagerDatatType, new VillagerData(2, getNewProfessionId((int) metadata.getValue()), 0));
        }
    } else if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
        if (metadata.id() >= 9) {
            // New piercing
            metadata.setId(metadata.id() + 1);
        }
    } else if (type.is(Entity1_14Types.FIREWORK_ROCKET)) {
        if (metadata.id() == 8) {
            metadata.setMetaType(Types1_14.META_TYPES.optionalVarIntType);
            if (metadata.getValue().equals(0)) {
                // https://bugs.mojang.com/browse/MC-111480
                metadata.setValue(null);
            }
        }
    } else if (type.isOrHasParent(Entity1_14Types.ABSTRACT_SKELETON)) {
        if (metadata.id() == 14) {
            tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4) | // New attacking
            ((boolean) metadata.getValue() ? 0x4 : 0)));
            // "Is swinging arms"
            metadatas.remove(metadata);
            metadatas.add(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
        }
    }
    if (type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE)) {
        if (metadata.id() == 14) {
            tracker.setInsentientData(entityId, (byte) ((tracker.getInsentientData(entityId) & ~0x4) | // New attacking
            (((Number) metadata.getValue()).byteValue() != 0 ? 0x4 : 0)));
            // "Has target (aggressive state)"
            metadatas.remove(metadata);
            metadatas.add(new Metadata(13, Types1_14.META_TYPES.byteType, tracker.getInsentientData(entityId)));
        }
    }
    if (type.is(Entity1_14Types.WITCH) || type.is(Entity1_14Types.RAVAGER) || type.isOrHasParent(Entity1_14Types.ABSTRACT_ILLAGER_BASE)) {
        if (metadata.id() >= 14) {
            // 19w13 added a new boolean (raid participant - is celebrating) with id 14
            metadata.setId(metadata.id() + 1);
        }
    }
}