source: Revenant/geoworld/include/gwmorphs/mountains.h@ 7ef8ec4

#pragma once

#include <limits>

#include <mars_util.h>
#include <mars_grids.h>

#include "gwutil.h"
#include "gmregistry.h"
#include "geomorph.h"
#include "linalgadapt.h"
#include "gwtypes.h"

namespace geoworld
{
        class MountainGM : public HeightMapGeoMorph, public BoundedGeoMorph, public PersistentGeoMorph
        {
        public:
                typedef std::vector < VectorTag< float >::V3 > SeedList;
                
                class MtnState : public PersistentGeoMorph::State
                {
                public:
                        SeedList seeds;
                        unsigned short nNumMountains;
                        float fSeedObedience, fSeedIterations, fRotateThreshold, fPeakHeightFluxPct, fCoarseness, fFalloff, fClumpMaxDisplace;
                        unsigned short nMntRangeWidth, nMntRangeAvgHeight;
                        GWSurfacePos ptOrigin;
                        mars::RangeX< unsigned short > mmnClumpSize;
                        mars::BBox< long > bbox;

                        virtual mars::ObjectStream & operator >> (mars::ObjectStream & outs) const;
                        virtual mars::ObjectStream & operator << (mars::ObjectStream & ins);
                };

                MountainGM (const MtnState & state);
                MountainGM (
                        const GWSurfacePos & ptOrigin,
                        const float fSeedObedience,
                        const float fSeedIterations,
                        const unsigned short nMntRangeWidth,
                        const unsigned short nMntRangeAvgHeight,
                        const mars::RangeX< unsigned short > mmnClumpSize,
                        const float fClumpMaxDisplace,
                        const unsigned short nNumMountains,
                        const float fRotateThreshold,
                        const float frPeakHeightFlux,
                        const float frCoarseness,
                        const float fFalloff
                );

                virtual void init (SynthesisSession & manager, const IGeoWorldAccessor & accessor, const unsigned short nMaxWidth, const unsigned short nMaxHeight);
                virtual mars::BBox< long > getBBox () const { return _bbox; }
                virtual void doMorph (LockedGWSection & section) const;
                virtual mars::ptr< State > createState () const;

        private:
                SeedList _seeds;
                unsigned short _nNumMountains;
                float _fSeedObedience, _fSeedIterations, _fRotateThreshold, _fPeakHeightFluxPct, _fCoarseness, _fFalloff, _fClumpMaxDisplace;
                unsigned short _nMntRangeWidth, _nMntRangeAvgHeight;
                GWSurfacePos _ptOrigin;
                mars::RangeX< unsigned short > _mmnClumpSize;
                mars::BBox< long > _bbox;
        };

        class MountainGMFactory : public GeoMorphFactory, public IPersistentGeoMorphFactory, public ISurfaceBoundedGeoMorphFactory
        {
        private:
                mars::RangeX< unsigned short >
                        _mmnNumMountains,
                        _mmnClumpSize,
                        _mmnRangeWidth,
                        _mmnPeakAvgHeight;

                mars::RangeX< float >
                        _mmfRotateThreshold,
                        _mmfSeedIterations;

                float
                        _fSeedObedience,
                        _frPeakHeightFlux,
                        _fCoarseness,
                        _fFalloff,
                        _fClumpMaxDisplace;

        public:
                virtual GeoMorph * createRandomInstance(const long x, const long y) const;
                virtual void configure( IConfigGMFactory * pFactoryConfig, const IConfigGMFactory::Settings & settings );
                virtual void save (const GeoMorph * pGM, mars::ObjectStream & outs) const;
                virtual const GeoMorph * restore (mars::ObjectStream & ins) const;
        };
}