#include "rough.h"

#include <mars_grids.h>

namespace geoworld
{
	void RoughGM::doMorph( LockedGWSection & section ) const
		{ section += *_ngen.compute(section.getActualWidth(), section.getActualHeight()); }

	GeoMorph * RoughGTFactory::createRandomInstance() const
	{
		return new RoughGM(
			_mmfCoarseness.next(),
			_mmfBrownIterations.next()
		);
	}

	void RoughGTFactory::configure( IConfigGTFactory * pFactoryConfig, const IConfigGTFactory::Settings & settings )
	{
		const geoworld::IConfigSection & section = *pFactoryConfig->getSection();

		*section["coarseness"] >> _mmfCoarseness;
		*section["roughness"] >> _mmfBrownIterations;

		if (_mmfCoarseness.minimum < 0 || _mmfCoarseness.maximum > 1.0)
			throw GMInvalidPropertyEx("coarseness", "Coarseness must be between zero and one");
		if (_mmfBrownIterations.minimum < 0 || _mmfBrownIterations.maximum > 1.0)
			throw GMInvalidPropertyEx("roughness", "Roughness must be between zero and one");
	}

}