Function InsertInConsist

src/train_cmd.cpp:924–931

* Inserts a chain into the train at dst. * @param dst the place where to append after. * @param chain the chain to actually add. */

 * @param chain the chain to actually add.
 */
static void InsertInConsist(Train *dst, Train *chain)
{
	/* We do not want to add something in the middle of an articulated part. */
	assert(dst != nullptr && (dst->Next() == nullptr || !dst->Next()->IsArticulatedPart()));

	chain->Last()->SetNext(dst->Next());
	dst->SetNext(chain);
}

/**
 * Normalise the dual heads in the train, i.e. if one is