// $Id: TubeTvor.h 2520 2011-09-22 04:09:57Z matevz $

// Copyright (C) 1999-2008, Matevz Tadel. All rights reserved.
// This file is part of GLED, released under GNU General Public License version 2.
// For the licensing terms see $GLEDSYS/LICENSE or http://www.gnu.org/.

#ifndef GledCore_TubeTvor_H
#define GledCore_TubeTvor_H

#include <Gled/GledTypes.h>

class TubeTvor
{
public:

  struct RingInfo {
    Int_t	fIndex;
    Int_t	fNVert;
    Bool_t	fDrawP;

    RingInfo(Int_t i, Int_t n, Bool_t dp) : fIndex(i), fNVert(n), fDrawP(dp) {}
  };

  typedef vector<RingInfo>		vRingInfo_t;
  typedef vector<RingInfo>::iterator	vRingInfo_i;

  // --------------------------------------------------------------

  Int_t		mNP;    // Number of points
  Int_t		mI;     // Current vertex-index.
  vRingInfo_t	mRings; // Ring infos
  Float_t*	mV;     //[3*mNP] Vertices
  Float_t*	mN;     //[3*mNP] Normals
  UChar_t*	mC;     //[4*mNP] Colors
  Float_t*	mT;     //[2*mNP] Texture-coordinates
  Bool_t	bColP;  // Has colors
  Bool_t	bTexP;  // Has texture data

  // --------------------------------------------------------------

  TubeTvor();
  ~TubeTvor();

  void Init(Int_t npoles, Int_t nrings, Int_t nphi,
	    Bool_t colp=false, Bool_t texp=false);
  void NewRing(Int_t n, Bool_t dp);
  void NewVert(Float_t *v, Float_t *n, UChar_t *c=0, Float_t* t=0);

  ClassDefNV(TubeTvor, 0);
}; // endclass TubeTvor


inline void
TubeTvor::NewVert(Float_t *v, Float_t *n, UChar_t *c, Float_t *t) {
  {
  const int i = mI*3;
  mV[i] = v[0]; mV[i+1] = v[1]; mV[i+2] = v[2];
  mN[i] = n[0]; mN[i+1] = n[1]; mN[i+2] = n[2];
  }
  if(bColP) {
    const int i = mI*4;
    mC[i] = c[0]; mC[i+1] = c[1]; mC[i+2] = c[2]; mC[i+3] = c[3];
  }
  if(bTexP) {
    const int i = mI*2;
    mT[i] = t[0]; mT[i+1] = t[1];
  }
  ++mI;
}

#endif