/* 
A* -------------------------------------------------------------------
B* This file contains source code for the PyMOL computer program
C* copyright 1998-2000 by Warren Lyford Delano of DeLano Scientific. 
D* -------------------------------------------------------------------
E* It is unlawful to modify or remove this copyright notice.
F* -------------------------------------------------------------------
G* Please see the accompanying LICENSE file for further information. 
H* -------------------------------------------------------------------
I* Additional authors of this source file include:
-* 
-* 
-*
Z* -------------------------------------------------------------------
*/
#ifndef _H_Shaker
#define _H_Shaker

#include "vla.h"

#define cShakerDistBond 0
#define cShakerDistAngle 1
#define cShakerDistLimit 2
#define cShakerDistMinim 3
#define cShakerDistMaxim 4

typedef struct {
  int at0, at1;
  int type;
  float targ, targ2, weight;
} ShakerDistCon;

#define cShakerTorsAlkane 1
#define cShakerTors

typedef struct {
  int at0, at1, at2, at3;
  int type;
} ShakerTorsCon;

#define cShakerTorsSP3SP3      1
#define cShakerTorsDisulfide   2
#define cShakerTorsAmide       3
#define cShakerTorsFlat        4

typedef struct {
  int at0, at1, at2, at3;
  float targ1, targ2;
} ShakerPyraCon;

typedef struct {
  int at0, at1, at2, at3, fixed;
  float target;
} ShakerPlanCon;

typedef struct {
  int at0, at1, at2;
} ShakerLineCon;

struct CShaker {
  PyMOLGlobals *G;
  pymol::vla<ShakerDistCon> DistCon;
  int NDistCon;
  pymol::vla<ShakerPyraCon> PyraCon;
  int NPyraCon;
  pymol::vla<ShakerPlanCon> PlanCon;
  int NPlanCon;
  pymol::vla<ShakerLineCon> LineCon;
  int NLineCon;
  pymol::vla<ShakerTorsCon> TorsCon;
  int NTorsCon;
  CShaker(PyMOLGlobals * G);
};

void ShakerReset(CShaker * I);
void ShakerAddDistCon(CShaker * I, int atom0, int atom1, float dist, int type,
                      float weight);
void ShakerAddTorsCon(CShaker * I, int atom0, int atom1, int atom2, int atom3, int type);
void ShakerAddPyraCon(CShaker * I, int atom0, int atom1, int atom2, int atom3,
                      float targ1, float targ2);
void ShakerAddPlanCon(CShaker * I, int atom0, int atom1, int atom2, int atom3,
                      float target, int fixed);

void ShakerAddLineCon(CShaker * I, int atom0, int atom1, int atom2);

float ShakerGetPyra(float *targ2,
    const float *v0, const float *v1, const float *v2, const float *v3);


/* the following fn's have been inlined in Sculpt.c  

float ShakerDoDist(float target,float *v0,float *v1,float *d0to1,float *d1to0,float wt);

float ShakerDoTors(int type, float *v0,float *v1,float *v2,float *v3,
                   float *p0,float *p1,float *p2,float *p3,float wt);
float ShakerDoDistLimit(float target,float *v0,float *v1,float *d0to1,float *d1to0,float wt);


*/

float ShakerDoPyra(float targ1, float targ2,
                   const float *v0, const float *v1, const float *v2, const float *v3,
                   float *p0, float *p1, float *p2, float *p3, float wt, float inv_wt);

float ShakerDoLine(const float *v0, const float *v1, const float *v2,
                   float *p0, float *p1, float *p2, float wt);

float ShakerDoPlan(
    const float *v0,
    const float *v1,
    const float *v2,
    const float *v3,
                   float *p0, float *p1, float *p2, float *p3,
                   float target, int fixed, float wt);


#endif