horrible.java

    @SubscribeEvent
    public void onEntityConstructing(EntityConstructing event)
    {
        if (event.entity instanceof EntityAgeable) {
            EntityAgeable child = (EntityAgeable) event.entity;

            if (child.isChild()) {
                List parents = child.worldObj.getEntitiesWithinAABBExcludingEntity(child, AxisAlignedBB.getBoundingBox(child.posX, child.posY, child.posZ, child.posX + 4D, child.posY + 4D, child.posZ + 4D));
                boolean flag = false;
                int parentCount = 0;

                for (Iterator i = parents.iterator(); i.hasNext();) {
                    Entity parent = (Entity) i.next();

                    if (parent.getClass().equals(child.getClass())) {
                        parentCount++;
                    }

                    if (parentCount == 2) {
                        break;
                    }
                }

                if (parentCount == 2) {
                    List entities = child.worldObj.getEntitiesWithinAABB(EntityPlayer.class, AxisAlignedBB.getBoundingBox(child.posX, child.posY, child.posZ, child.posX + 4D, child.posY + 4D, child.posZ + 4D));

                    for (Iterator i = entities.iterator(); i.hasNext();) {
                        EntityPlayer player = (EntityPlayer) i.next();

                        if (player != null && player.canEntityBeSeen(child)) {
                            Class entityClass = child.getClass();
                            String entityName = (String) EntityList.classToStringMapping.get(entityClass);

                            if (entityName != null && !entityName.isEmpty()) {
                                ExtendedPlayerKnowledge knowledge = ExtendedPlayerKnowledge.get(player);

                                if (knowledge != null && !knowledge.canSpecialise()) {
                                    ResearchRegistry.researchEvent("birth" + StringUtils.capitalize(entityName), event, knowledge, true);
                                }
                            }
                        }
                    }
                }
            }
        } else {
            Set<Class> allowedEntities = ResearchRegistry.getMonitorableEntities();

            for (Iterator<Class> i = allowedEntities.iterator(); i.hasNext();) {
                Class c = i.next();
                if (c.isInstance(event.entity) && ExtendedNanites.get(event.entity) == null) {
                    ExtendedNanites.register(event.entity);
                }
            }
        }
    }