/* glschool_alg.h, Copyright (c) 2005-2006 David C. Lambert <dcl@panix.com>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
#ifndef __GLSCHOOL_ALG_H__
#define __GLSCHOOL_ALG_H__
typedef struct {
double mins[3];
double maxs[3];
} BBox;
#define BBOX_XMIN(b) ((b)->mins[0])
#define BBOX_YMIN(b) ((b)->mins[1])
#define BBOX_ZMIN(b) ((b)->mins[2])
#define BBOX_MINS(b) ((b)->mins)
#define BBOX_IMIN(b, i) ((b)->mins[(i)])
#define BBOX_XMAX(b) ((b)->maxs[0])
#define BBOX_YMAX(b) ((b)->maxs[1])
#define BBOX_ZMAX(b) ((b)->maxs[2])
#define BBOX_MAXS(b) ((b)->maxs)
#define BBOX_IMAX(b, i) ((b)->maxs[(i)])
#define BBOX_IMID(b, i) (((b)->maxs[(i)] + (b)->mins[(i)])/2.0)
#define BBOX_IRANGE(b, i) ((b)->maxs[(i)] - (b)->mins[(i)])
typedef struct {
double pos[3];
double vel[3];
double accel[3];
double oldVel[3];
double magic[3];
double avgVel[3];
} Fish;
#define FISH_POS(f) ((f)->pos)
#define FISH_X(f) ((f)->pos[0])
#define FISH_Y(f) ((f)->pos[1])
#define FISH_Z(f) ((f)->pos[2])
#define FISH_VEL(f) ((f)->vel)
#define FISH_VX(f) ((f)->vel[0])
#define FISH_VY(f) ((f)->vel[1])
#define FISH_VZ(f) ((f)->vel[2])
#define FISH_ACC(f) ((f)->accel)
#define FISH_MAGIC(f) ((f)->magic)
#define FISH_OLDVEL(f) ((f)->oldVel)
#define FISH_AVGVEL(f) ((f)->avgVel)
#define FISH_IPOS(f, i) ((f)->pos[(i)])
#define FISH_IVEL(f, i) ((f)->vel[(i)])
#define FISH_IACC(f, i) ((f)->accel[(i)])
#define FISH_IMAGIC(f, i) ((f)->magic[(i)])
#define FISH_IOLDVEL(f, i) ((f)->oldVel[(i)])
#define FISH_IAVGVEL(f, i) ((f)->avgVel[(i)])
typedef struct {
int nFish;
double maxVel;
double minVel;
double distExp;
double momentum;
double accLimit;
double minRadius;
double minRadiusExp;
double avoidFact;
double matchFact;
double centerFact;
double targetFact;
double distComp;
double goal[3];
double boxMids[3];
double boxRanges[3];
BBox theBox;
Fish *theFish;
} School;
#define SCHOOL_NFISH(s) ((s)->nFish)
#define SCHOOL_MAXVEL(s) ((s)->maxVel)
#define SCHOOL_MINVEL(s) ((s)->minVel)
#define SCHOOL_DISTEXP(s) ((s)->distExp)
#define SCHOOL_MOMENTUM(s) ((s)->momentum)
#define SCHOOL_ACCLIMIT(s) ((s)->accLimit)
#define SCHOOL_MINRADIUS(s) ((s)->minRadius)
#define SCHOOL_MINRADIUSEXP(s) ((s)->minRadiusExp)
#define SCHOOL_MATCHFACT(s) ((s)->matchFact)
#define SCHOOL_AVOIDFACT(s) ((s)->avoidFact)
#define SCHOOL_CENTERFACT(s) ((s)->centerFact)
#define SCHOOL_TARGETFACT(s) ((s)->targetFact)
#define SCHOOL_DISTCOMP(s) ((s)->distComp)
#define SCHOOL_GOAL(s) ((s)->goal)
#define SCHOOL_IGOAL(s,i) ((s)->goal[(i)])
#define SCHOOL_BBMINS(s) ((s)->bbox.mins)
#define SCHOOL_BBMAXS(s) ((s)->bbox.maxs)
#define SCHOOL_BBMIDS(s) ((s)->boxMids)
#define SCHOOL_IMID(s,i) ((s)->boxMids[(i)])
#define SCHOOL_BBRANGES(s) ((s)->boxRanges)
#define SCHOOL_IRANGE(s,i) ((s)->boxRanges[(i)])
#define SCHOOL_BBOX(s) ((s)->theBox)
#define SCHOOL_FISHES(s) ((s)->theFish)
#define SCHOOL_IFISH(s,i) ((s)->theFish[i])
extern void glschool_initFishes(School *);
extern void glschool_initFish(Fish *, double *, double *);
extern void glschool_applyMovements(School *);
/* extern void applyFishMovements(Fish *, BBox *, double, double, double); */
extern void glschool_freeSchool(School *);
extern School *glschool_initSchool(int, double, double, double, double, double, double, double, double, double, double, double);
extern void glschool_newGoal(School *);
extern void glschool_setBBox(School *, double, double, double, double, double, double);
extern void glschool_computeAccelerations(School *);
extern double glschool_computeNormalAndThetaToPlusZ(double *, double *);
int glschool_computeGroupVectors(School *, Fish *, double *, double *, double *);
#endif /* __GLSCHOOL_ALG_H__ */
