@SuppressWarnings("rawtypes")
private <O extends Operator> O newInstance(Class<O> c) {
if (c.isInterface()) {
return null;
}
if (Modifier.isAbstract(c.getModifiers())) {
return null;
}
final Class<?>[] paramTypes;
final Object[] args;
if (Modifier.isStatic(c.getModifiers())) {
paramTypes = ArrayUtils.EMPTY_CLASS_ARRAY;
args = ArrayUtils.EMPTY_OBJECT_ARRAY;
} else {
paramTypes = new Class[] {getClass()};
args = new Object[] {this};
}
final Constructor<O> cs = ConstructorUtils.getMatchingAccessibleConstructor(c, paramTypes);
if (cs == null) {
return null;
}
try {
return cs.newInstance(args);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private MutantProducer<Schema> instantiateProducer(String name)
throws ClassNotFoundException, InstantiationException, IllegalAccessException,
IllegalArgumentException, InvocationTargetException {
String className;
if (name.contains(".")) {
className = name;
} else {
className = "org.schemaanalyst.mutation.operator." + name;
}
Class<MutantProducer<Schema>> producerClass =
(Class<MutantProducer<Schema>>) Class.forName(className);
Constructor<MutantProducer<Schema>> constructor =
ConstructorUtils.getMatchingAccessibleConstructor(producerClass, schema.getClass());
MutantProducer<Schema> instance = constructor.newInstance(schema);
return instance;
};
@Override
public Optional<Entity> createEntity(EntityType type, Vector3d position) {
checkNotNull(type, "The entity type cannot be null!");
checkNotNull(position, "The position cannot be null!");
Entity entity = null;
Class<? extends Entity> entityClass = type.getEntityClass();
double x = position.getX();
double y = position.getY();
double z = position.getZ();
if (entityClass.isAssignableFrom(EntityPlayerMP.class)
|| entityClass.isAssignableFrom(EntityDragonPart.class)) {
// Unable to construct these
return Optional.empty();
}
net.minecraft.world.World world = (net.minecraft.world.World) (Object) this;
// Not all entities have a single World parameter as their constructor
if (entityClass.isAssignableFrom(EntityLightningBolt.class)) {
entity = (Entity) new EntityLightningBolt(world, x, y, z);
} else if (entityClass.isAssignableFrom(EntityEnderPearl.class)) {
EntityArmorStand tempEntity = new EntityArmorStand(world, x, y, z);
tempEntity.posY -= tempEntity.getEyeHeight();
entity = (Entity) new EntityEnderPearl(world, tempEntity);
((EnderPearl) entity).setShooter(ProjectileSource.UNKNOWN);
}
// Some entities need to have non-null fields (and the easiest way to
// set them is to use the more specialised constructor).
if (entityClass.isAssignableFrom(EntityFallingBlock.class)) {
entity = (Entity) new EntityFallingBlock(world, x, y, z, Blocks.sand.getDefaultState());
} else if (entityClass.isAssignableFrom(EntityItem.class)) {
entity = (Entity) new EntityItem(world, x, y, z, new ItemStack(Blocks.stone));
}
if (entity == null) {
try {
entity = ConstructorUtils.invokeConstructor(entityClass, this);
((net.minecraft.entity.Entity) entity).setPosition(x, y, z);
} catch (Exception e) {
SpongeImpl.getLogger().error(ExceptionUtils.getStackTrace(e));
}
}
// TODO - replace this with an actual check
/*
if (entity instanceof EntityHanging) {
if (((EntityHanging) entity).facingDirection == null) {
// TODO Some sort of detection of a valid direction?
// i.e scan immediate blocks for something to attach onto.
((EntityHanging) entity).facingDirection = EnumFacing.NORTH;
}
if (!((EntityHanging) entity).onValidSurface()) {
return Optional.empty();
}
}*/
// Last chance to fix null fields
if (entity instanceof EntityPotion) {
// make sure EntityPotion.potionDamage is not null
((EntityPotion) entity).getPotionDamage();
} else if (entity instanceof EntityPainting) {
// This is default when art is null when reading from NBT, could
// choose a random art instead?
((EntityPainting) entity).art = EnumArt.KEBAB;
}
return Optional.ofNullable(entity);
}