#include <noise\module\ridgedmulti.h>
#include <noise\module\scalebias.h>
#include <noise\module\scalepoint.h>

namespace noise
{
    namespace module
    {
        const double DEFAULT_HILLTURBULENCE_FREQUENCY = DEFAULT_RIDGED_FREQUENCY;
        const double DEFAULT_HILLTURBULENCE_POWER = 1.0;
        const int DEFAULT_HILLTURBULENCE_ROUGHNESS = 3;
        const int DEFAULT_HILLTURBULENCE_SEED = DEFAULT_RIDGED_SEED;

        class HillTurbulence : public Module
        {
        public:
            //Functions
            HillTurbulence();
            ~HillTurbulence();

            double GetFrequency () const;

            double GetPower () const
            {
                return m_power;
            }

            int GetRoughnessCount () const
            {
                return yDistortModule.GetOctaveCount ();
            }

            int GetSeed () const;

            virtual int GetSourceModuleCount () const
            {
                return 1;
            }

            virtual double GetValue (double x, double y, double z) const;

            void SetFrequency (double frequency)
            {
                yDistortModule.SetFrequency (frequency);
            }

            void SetPower (double power)
            {
                m_power = power;
            }

            void SetRoughness (int roughness)
            {
                yDistortModule.SetOctaveCount (roughness);
            }

            void SetSeed (int seed);

            //Variables
            RidgedMulti yDistortModule;
            ScaleBias scaleBiasModule;
            ScalePoint scalePModule;

        protected:
            //Variables
            double m_power;
        };
    }
}