Java Code Examples for net.minecraft.entity.Entity#setUniqueId()

The following examples show how to use net.minecraft.entity.Entity#setUniqueId() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: EntityUtils.java From litematica with GNU Lesser General Public License v3.0

6 votes

@Nullable
private static Entity createEntityFromNBTSingle(NBTTagCompound nbt, World world)
{
    try
    {
        Entity entity = EntityList.createEntityFromNBT(nbt, world);

        if (entity != null)
        {
            entity.setUniqueId(UUID.randomUUID());
        }

        return entity;
    }
    catch (Exception e)
    {
        return null;
    }
}

Example 2

Source File: TemplateEnderUtilities.java From enderutilities with GNU Lesser General Public License v3.0

4 votes

public void addEntitiesToWorld(World world, BlockPos posStart)
{
    if (this.placement.getIgnoreEntities())
    {
        return;
    }

    Mirror mirror = this.placement.getMirror();
    Rotation rotation = this.placement.getRotation();

    BlockPos posEnd = posStart.add(PositionUtils.getRelativeEndPositionFromAreaSize(this.size));
    BlockPos pos1 = PositionUtils.getMinCorner(posStart, posEnd);
    BlockPos pos2 = PositionUtils.getMaxCorner(posStart, posEnd).add(1, 1, 1);
    List<Entity> existingEntities = world.getEntitiesWithinAABBExcludingEntity(null, new AxisAlignedBB(pos1, pos2));

    for (TemplateEnderUtilities.TemplateEntityInfo entityInfo : this.entities)
    {
        BlockPos pos = transformedBlockPos(this.placement, entityInfo.blockPos).add(posStart);

        NBTTagCompound nbt = entityInfo.entityData;
        UUID uuidOriginal = nbt.getUniqueId("UUID");
        Vec3d vec3d = PositionUtils.transformedVec3d(entityInfo.pos, mirror, rotation);
        Vec3d vec3d1 = vec3d.add((double)posStart.getX(), (double)posStart.getY(), (double)posStart.getZ());
        NBTTagList tagList = new NBTTagList();
        tagList.appendTag(new NBTTagDouble(vec3d1.x));
        tagList.appendTag(new NBTTagDouble(vec3d1.y));
        tagList.appendTag(new NBTTagDouble(vec3d1.z));
        nbt.setTag("Pos", tagList);
        nbt.setUniqueId("UUID", UUID.randomUUID());
        Entity entity;

        try
        {
            entity = EntityList.createEntityFromNBT(nbt, world);
        }
        catch (Exception e)
        {
            entity = null;
        }

        if (entity != null)
        {
            if (entity instanceof EntityPainting)
            {
                entity.getMirroredYaw(mirror);
                entity.getRotatedYaw(rotation);
                entity.setPosition(pos.getX(), pos.getY(), pos.getZ());
                entity.setLocationAndAngles(vec3d1.x, vec3d1.y, vec3d1.z, entity.rotationYaw, entity.rotationPitch);
            }
            else
            {
                float f = entity.getMirroredYaw(mirror);
                f = f + (entity.rotationYaw - entity.getRotatedYaw(rotation));
                entity.setLocationAndAngles(vec3d1.x, vec3d1.y, vec3d1.z, f, entity.rotationPitch);
                // FIXME should call updateFacingWithBoundingBox(EnumFacing) for EntityHanging, otherwise a world reload is needed
                // for ItemFrames for example to visually update to the correct facing
            }

            // Use the original UUID if possible. If there is an entity with the same UUID within the pasted area,
            // then the old one will be killed. Otherwise if there is no entity currently in the world with
            // the same UUID, then the original UUID will be used.
            Entity existing = EntityUtils.findEntityByUUID(existingEntities, uuidOriginal);
            if (existing != null)
            {
                world.removeEntityDangerously(existing);
                entity.setUniqueId(uuidOriginal);
            }
            else if (world instanceof WorldServer && ((WorldServer) world).getEntityFromUuid(uuidOriginal) == null)
            {
                entity.setUniqueId(uuidOriginal);
            }

            world.spawnEntity(entity);
        }
    }
}