#ifndef __GEOMORPH_H__
#define __GEOMORPH_H__

#include <mars_util.h>
#include <mars_streams.h>
#include <typeinfo>

#include "gwtypes.h"

namespace geoworld
{
	class GeoMorph
	{
	public:
		// Called first to establish first state
		virtual void init (SynthesisSession & manager, const IGeoWorldAccessor & accessor, const unsigned short nMaxWidth, const unsigned short nMaxHeight) = 0;
		
		inline std::string getTypeName () const
			{ return typeid(*this).name(); }
	};

	class BoundedGeoMorph
	{
	public:
		// Called to index this bounded morpho
		virtual mars::BBox< long > getBBox () const = 0;
	};

	class HeightMapGeoMorph : public GeoMorph
	{
	public:
		// Called to perform CPU-intensive rasterization task
		virtual void doMorph (LockedGWSection & section) const = 0;
	};

	class PersistentGeoMorph
	{
	public:
		class State
		{
		public:
			virtual mars::ObjectStream & operator >> (mars::ObjectStream & outs) const = 0;
			virtual mars::ObjectStream & operator << (mars::ObjectStream & ins) = 0;
		};

		// Called by its factory to save/restore GeoMorph state
		virtual mars::ptr< State > createState () const = 0;
	};

	class MineralSpawnGeoMorph
	{
	public:
		virtual void doSpawnMinerals (const IMineralQuery * pQMin, MineralsContainer & container) = 0;
	};

	class MetaFieldSpawnGeoMorph
	{
	public:
		virtual void getRequestedFields (std::set< FieldType > & setOut) const = 0;
		//virtual void doPopulateMetaField (const FieldType enftFieldType)
	};
}

#endif