net.minecraft.util.EntitySelectors Java Examples

protected void tryDoVenting() {
    BlockPos machinePos = metaTileEntity.getPos();
    EnumFacing ventingSide = getVentingSide();
    BlockPos ventingBlockPos = machinePos.offset(ventingSide);
    IBlockState blockOnPos = metaTileEntity.getWorld().getBlockState(ventingBlockPos);
    if (blockOnPos.getCollisionBoundingBox(metaTileEntity.getWorld(), ventingBlockPos) == Block.NULL_AABB) {
        metaTileEntity.getWorld()
            .getEntitiesWithinAABB(EntityLivingBase.class, new AxisAlignedBB(ventingBlockPos), EntitySelectors.CAN_AI_TARGET)
            .forEach(entity -> entity.attackEntityFrom(DamageSources.getHeatDamage(), 6.0f));
        WorldServer world = (WorldServer) metaTileEntity.getWorld();
        double posX = machinePos.getX() + 0.5 + ventingSide.getFrontOffsetX() * 0.6;
        double posY = machinePos.getY() + 0.5 + ventingSide.getFrontOffsetY() * 0.6;
        double posZ = machinePos.getZ() + 0.5 + ventingSide.getFrontOffsetZ() * 0.6;

        world.spawnParticle(EnumParticleTypes.SMOKE_LARGE, posX, posY, posZ,
            7 + world.rand.nextInt(3),
            ventingSide.getFrontOffsetX() / 2.0,
            ventingSide.getFrontOffsetY() / 2.0,
            ventingSide.getFrontOffsetZ() / 2.0, 0.1);
        world.playSound(null, posX, posY, posZ, SoundEvents.BLOCK_LAVA_EXTINGUISH, SoundCategory.BLOCKS, 1.0f, 1.0f);
        setNeedsVenting(false);
    } else if (!ventingStuck) {
        setVentingStuck(true);
    }
}
 

public EntityAINearestAttackableCivTarget(EntityToroNpc npc) {
	super(npc, false, false);

	this.taskOwner = npc;
	this.theNearestAttackableTargetSorter = new EntityAINearestAttackableTarget.Sorter(npc);
	this.setMutexBits(1);

	this.targetEntitySelector = new Predicate<EntityPlayer>() {
		public boolean apply(@Nullable EntityPlayer target) {

			if (target == null) {
				return false;
			}

			if (!EntitySelectors.NOT_SPECTATING.apply(target)) {
				return false;
			}

			if (!isSuitableTarget(taskOwner, target, false, true)) {
				return false;
			}

			return shouldAttackPlayerBasedOnCivilization(target);
		}
	};
}
 

protected void wakeIfPlayerIsClose(boolean wakePartner) {
	if (world.getTotalWorldTime() % 30 != 0 || !isAtAttention()) {
		return;
	}

	// TODO check if visible?
	List<EntityPlayer> players = world.getEntitiesWithinAABB(EntityPlayer.class,
			new AxisAlignedBB(getPosition()).expand(WAKE_DIAMETER, 6, WAKE_DIAMETER), EntitySelectors.CAN_AI_TARGET);

	if (players.size() < 1) {
		return;
	}

	if (wakePartner) {
		List<EntityRainbowGuard> nearbyRainbowGuards = world.getEntitiesWithinAABB(EntityRainbowGuard.class,
				getEntityBoundingBox().expand(5.0D, 4.0D, 2.0D));
		if (nearbyRainbowGuards != null && !nearbyRainbowGuards.isEmpty()) {
			nearbyRainbowGuards.get(0).wokenByPartner();
		}
	}

	setAtAttention(false);
	tasks.removeTask(new EntityAIStayCentered(this));

	setAttackTarget(players.get(world.rand.nextInt(players.size())));
}
 

@Override
public boolean shouldExecute() {
  if (targetChance > 0 && taskOwner.getRNG().nextInt(targetChance) != 0) {
    return false;
  } else {
    double horizDist = getTargetDistance();
    double vertDist = getVerticalDistance();
    
    AxisAlignedBB bb = taskOwner.getEntityBoundingBox().expand(horizDist, vertDist, horizDist);
    List<T> list = taskOwner.getEntityWorld().<T> getEntitiesWithinAABB(targetClass, bb,
        Predicates.<T> and(targetEntitySelector, EntitySelectors.NOT_SPECTATING));
    Collections.sort(list, sorter);

    if (list.isEmpty()) {
      return false;
    } else {
      this.targetEntity = list.get(0);
      return true;
    }
  }
}
 

private void updateConnectedCrystals() {
    this.connectedCrystalsIds.clear();
    final double maxDistance = 64 * 64;
    List<EntityEnderCrystal> enderCrystals = Arrays.stream(BiomeEndDecorator.getSpikesForWorld(getWorld()))
        .flatMap(endSpike -> getWorld().getEntitiesWithinAABB(EntityEnderCrystal.class, endSpike.getTopBoundingBox()).stream())
        .filter(crystal -> crystal.getDistanceSq(getPos()) < maxDistance)
        .collect(Collectors.toList());

    for (EntityEnderCrystal entityEnderCrystal : enderCrystals) {
        BlockPos beamTarget = entityEnderCrystal.getBeamTarget();
        if (beamTarget == null) {
            //if beam target is null, set ourselves as beam target
            entityEnderCrystal.setBeamTarget(getPos());
            this.connectedCrystalsIds.add(entityEnderCrystal.getEntityId());
        } else if (beamTarget.equals(getPos())) {
            //if beam target is ourselves, just add it to list
            this.connectedCrystalsIds.add(entityEnderCrystal.getEntityId());
        }
    }

    for (EntityDragon entityDragon : getWorld().getEntities(EntityDragon.class, EntitySelectors.IS_ALIVE)) {
        if (entityDragon.healingEnderCrystal != null && connectedCrystalsIds.contains(entityDragon.healingEnderCrystal.getEntityId())) {
            //if dragon is healing from crystal we draw energy from, reset it's healing crystal
            entityDragon.healingEnderCrystal = null;
            //if dragon is holding pattern, than deal damage and set it's phase to attack ourselves
            if (entityDragon.getPhaseManager().getCurrentPhase().getType() == PhaseList.HOLDING_PATTERN) {
                entityDragon.attackEntityFrom(DamageSource.causeExplosionDamage((EntityLivingBase) null), 10.0f);
                entityDragon.getPhaseManager().setPhase(PhaseList.CHARGING_PLAYER);
                ((PhaseChargingPlayer) entityDragon.getPhaseManager().getCurrentPhase()).setTarget(new Vec3d(getPos()));
            }
        }
    }
}
 

public static void rayTrace(Beam beam, Function<Entity, Boolean> consumer) {
    // Based on EntityRender.getMouseOver(float partialTicks) which we can't use because that's client only
    Vec3d start = beam.getStart();
    Vec3d lookVec = beam.getLookVec();
    Vec3d end = beam.getEnd();
    double dist = beam.getDist();
    World world = beam.getWorld();
    EntityPlayer player = beam.getPlayer();
    List<Entity> targets = world.getEntitiesInAABBexcluding(player, player.getEntityBoundingBox().expand(lookVec.x * dist, lookVec.y * dist, lookVec.z * dist).grow(1.0D, 1.0D, 1.0D),
            Predicates.and(EntitySelectors.NOT_SPECTATING, ent -> ent != null && ent.canBeCollidedWith()));
    List<Pair<Entity, Double>> hitTargets = new ArrayList<>();
    for (Entity target : targets) {
        AxisAlignedBB targetBB = target.getEntityBoundingBox().grow(target.getCollisionBorderSize());
        if (targetBB.contains(start)) {
            hitTargets.add(Pair.of(target, 0.0));
        } else {
            RayTraceResult targetResult = targetBB.calculateIntercept(start, end);
            if (targetResult != null) {
                double d3 = start.distanceTo(targetResult.hitVec);
                if (d3 < dist) {
                    hitTargets.add(Pair.of(target, d3));
                }
            }
        }
    }
    hitTargets.sort(Comparator.comparing(Pair::getRight));
    hitTargets.stream().filter(pair -> consumer.apply(pair.getLeft())).findFirst();
}
 

public EntityAINearestAttackableTargetFiltered(EntityCreature creature, Class<T> classTarget, int chance, boolean checkSight, boolean onlyNearby, @Nullable final Predicate<? super T> targetSelector) {
	super(creature, checkSight, onlyNearby);
	this.targetClass = classTarget;
	this.targetChance = chance;
	this.sorter = new EntityAINearestAttackableTarget.Sorter(creature);
	this.setMutexBits(1);

	UUID exclude = creature.getEntityData().getUniqueId("owner");

	this.targetEntitySelector = (Predicate<T>) entity -> (entity != null && !entity.getUniqueID().equals(exclude)) && (targetSelector == null || targetSelector.apply(entity) && (EntitySelectors.NOT_SPECTATING.apply(entity) && EntityAINearestAttackableTargetFiltered.this.isSuitableTarget(entity, false)));
}
 

@Nullable
protected EntityPlayer getClosestVulnerablePlayer(double x, double y, double z, double distance)
{
    double closest = -1.0d;
    EntityPlayer player = null;
    List<EntityPlayer> players = this.getEntityWorld().getPlayers(EntityPlayer.class, EntitySelectors.NOT_SPECTATING);

    for (EntityPlayer playerTmp : players)
    {
        if (playerTmp.capabilities.disableDamage == false && playerTmp.isEntityAlive() && this.isPlayerHoldingSummonItem(playerTmp) == false)
        {
            double distTmp = playerTmp.getDistanceSq(x, y, z);
            double distSight =playerTmp.isSneaking() ? distance * 0.8d : distance;

            if (playerTmp.isInvisible())
            {
                float f = playerTmp.getArmorVisibility();

                if (f < 0.1f)
                {
                    f = 0.1f;
                }

                distSight *= (0.7d * f);
            }

            if ((distance < 0.0d || distTmp < (distSight * distSight)) && (closest == -1.0d || distTmp < closest))
            {
                closest = distTmp;
                player = playerTmp;
            }
        }
    }

    return player;
}
 

public static RayTraceResult getViewTrace(
    Entity entity, Vec3d direction, float partialTicks, double reach, double reachAttack) {
  if (entity == null) {
    return null;
  }
  
  Vec3d eyes = entity.getPositionEyes(partialTicks);
  RayTraceResult trace = entity.rayTrace(reach, partialTicks);
  
  Vec3d dir = direction.scale(reach);
  Vec3d lookDir = eyes.add(dir);
  
  double hitDistance = trace == null ? reachAttack : trace.hitVec.distanceTo(eyes);
  Entity hitEntity = null;
  Vec3d hitEntityVec = null;
  
  for (Entity ent :
      getWorld()
          .getEntitiesInAABBexcluding(
              entity,
              entity.getEntityBoundingBox().expand(dir.x, dir.y, dir.y).grow(1.D),
              Predicates.and(
                  EntitySelectors.NOT_SPECTATING,
                  ent -> ent != null && ent.canBeCollidedWith()))) {
    AxisAlignedBB bb = ent.getEntityBoundingBox().grow(ent.getCollisionBorderSize());
    RayTraceResult tr = bb.calculateIntercept(eyes, lookDir);
    if (bb.contains(eyes)) {
      if (hitDistance > 0.D) {
        hitEntity = ent;
        hitEntityVec = tr == null ? eyes : tr.hitVec;
        hitDistance = 0.D;
      }
    } else if (tr != null) {
      double dist = eyes.distanceTo(tr.hitVec);
      if (dist < hitDistance || hitDistance == 0.D) {
        if (entity.getLowestRidingEntity() == ent.getLowestRidingEntity()
            && !ent.canRiderInteract()) {
          if (hitDistance == 0.D) {
            hitEntity = ent;
            hitEntityVec = tr.hitVec;
          }
        } else {
          hitEntity = ent;
          hitEntityVec = tr.hitVec;
          hitDistance = dist;
        }
      }
    }
  }
  
  if (hitEntity != null && reach > 3.D && eyes.distanceTo(hitEntityVec) > 3.D) {
    return new RayTraceResult(Type.MISS, hitEntityVec, EnumFacing.UP, new BlockPos(hitEntityVec));
  } else if (hitEntity != null && trace == null && hitDistance < reachAttack) {
    return new RayTraceResult(hitEntity, hitEntityVec);
  } else {
    return trace;
  }
}
 

@SubscribeEvent
public void onChunkUnload(ChunkEvent.Unload event)
{
	if(!event.getWorld().isRemote && event.getWorld().provider.getDimension() == 0)
	{
		BlockPos chunkWorldPos = new BlockPos(event.getChunk().xPosition * 16, 0, event.getChunk().zPosition * 16);
		IslandMap map = Core.getMapForWorld(event.getWorld(), chunkWorldPos);

		Point islandPos = new Point(chunkWorldPos.getX(), chunkWorldPos.getZ()).toIslandCoord();
		AxisAlignedBB chunkAABB = new AxisAlignedBB(islandPos.getX(), 0, islandPos.getZ(), islandPos.getX()+16, 1, islandPos.getZ()+16);
		Center temp = map.getClosestCenter(islandPos);

		ArrayList<Center> genList = new ArrayList<Center>();
		genList.add(temp);
		genList.addAll(temp.neighbors);

		if(loadedCentersMap.containsKey(map.getParams().getCantorizedID()))
		{
			ArrayList<Center> loaded = loadedCentersMap.get(map.getParams().getCantorizedID());
			for(Center c : genList)
			{	
				AxisAlignedBB aabb = c.getAABB();
				boolean intersect =aabb.intersectsWith(chunkAABB);
				if(intersect && loaded.contains(c) )
				{
					loaded.remove(c);
					ArrayList<Herd> herdsToUnload = map.getIslandData().wildlifeManager.getHerdsInCenter(c);
					for(Herd h : herdsToUnload)
					{
						h.setUnloaded();
						for(VirtualAnimal animal : h.getVirtualAnimals())
						{
							if(animal.getEntity() == null)
							{
								animal.setUnloaded();
								continue;
							}
							Predicate<Entity> predicate = Predicates.<Entity>and(EntitySelectors.NOT_SPECTATING, EntitySelectors.notRiding(animal.getEntity()));
							Entity closestEntity = animal.getEntity().world.getClosestPlayer(animal.getEntity().posX, animal.getEntity().posY, animal.getEntity().posZ, 100D, predicate);
							if(closestEntity == null)
							{
								animal.getEntity().setDead();
								animal.setUnloaded();
							}
						}
					}
				}
			}
		}


	}
}