ScaffoldNotIdiotic.java

@Override
	public void onEntityCollidedWithBlock(World world,  int x, int y, int z, Entity entity) {
		if (entity.isCollidedHorizontally) {
			entity.motionY = 0.35;
		} else if (entity.isSneaking()) {
			entity.motionY = 0.08; //Stop, but also counteract EntityLivingBase-applied microgravity
		} else if (entity.motionY<-0.20) {
			entity.motionY = -0.20;
		}
		entity.fallDistance = 0.0f;
	}