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//
// SBTvoxel.hh
//
// Definition of a batch based voxel test
//
#ifndef SBTvoxel_hh
#define SBTvoxel_hh

#include "globals.hh"
#include "G4ThreeVector.hh"
#include "geomdefs.hh"
#include <iostream>

class G4VSolid;
class G4VoxelLimits;
class G4AffineTransform;

class SBTVisManager;

class SBTvoxel {
	public:
	SBTvoxel();
	~SBTvoxel();
	
	void SetDefaults();
	
	void RunTest( const G4VSolid *testVolume, std::ostream &logger );
	
	void Draw( const G4VSolid *testVolume, 
		   const G4VoxelLimits &voxel, const G4AffineTransform &transform,
		   const G4ThreeVector *points, const G4int numPoints,
		   const EAxis	axis, const G4double limits[2],
	 	   SBTVisManager *visManager ) const;

	void Debug( const G4VSolid *testVolume, const EAxis axis,
		    const G4VoxelLimits &voxel, const G4AffineTransform &transform,
		    const G4ThreeVector *point ) const;
	


	void SetTarget( const G4ThreeVector &newTarget ) { target = newTarget; }
	G4ThreeVector GetTarget() const { return target; }

	void SetMaxVoxels( const G4int newMaxVoxels ) { maxVoxels = newMaxVoxels; }
	G4int GetMaxVoxels() const { return maxVoxels; }
	
	void SetMaxErrors( const G4int newMaxErrors ) { maxErrors = newMaxErrors; }
	G4int GetMaxErrors() const { return maxErrors; }

	inline void SetWidths( const G4ThreeVector &newWidths ) { widths = newWidths; }
	inline G4ThreeVector GetWidths() const { return widths; }


	protected:
	G4ThreeVector	target,
			widths;
	G4int		maxVoxels,
			maxErrors;
	
	G4bool TestOneVoxel( const G4VSolid *testVolume, 
			     const G4VoxelLimits &voxel,
			     const G4AffineTransform &transform,
			     const G4ThreeVector inside[], const G4int numInside,
			     std::ostream &logger ) const;

	void GetInsidePoints( const G4VSolid *testVolume,
			      G4ThreeVector inside[], G4int *numInside,
			      const G4int numPoints,
			      const G4int numAttempts ) const;

	G4ThreeVector GetRandomPoint() const;

	G4double GaussianRandom(const G4double cutoff) const;

	G4bool GetRandomLimit( G4double x[2], const G4double range ) const;

	G4VoxelLimits *NewRandomVoxel( const G4ThreeVector &theWidths ) const;
	
	void DumpVoxel( const G4VoxelLimits &voxel, std::ostream &logger ) const;
	
	void DumpTransform( const G4AffineTransform &transform, std::ostream &logger ) const;
	
	void MakeVoxelTestPoints( const G4VoxelLimits &voxel,
				  const EAxis axis, const G4double value,
				  G4ThreeVector testPoints[9] ) const;
};

#endif