partibrains.c

#define __USE_MISC	/* makes <math.h> define sqrtf() on GNU libc */

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>

#if !sgi && !defined(sqrtf)
# define sqrtf(x)  sqrt(x)	/* if no sqrtf() */
#endif

#undef isspace		/* hack for irix 6.5 back-compat */
#undef isdigit
#undef isalnum

#if unix
# include <unistd.h>
# include <sys/types.h>
# include <netinet/in.h>  /* for htonl */
# include <sys/time.h>
# include <alloca.h>
# include "config.h"	  /* for WORDS_BIGENDIAN */
#else /*WIN32*/
# include "winjunk.h"
# include <sys/timeb.h>
# define WORDS_BIGENDIAN 0
#endif
#include <string.h>
#include <errno.h>

#if WORDS_BIGENDIAN
#define RGBALPHA(rgb, alpha)	((rgb) | (alpha))
#define RGBWHITE		0xFFFFFF00
#define	PACKRGBA(r,g,b,a)	((r)<<24 | (g)<<16 | (b)<<8 | (a))
#define	THRESHBIT		PACKRGBA(0,0,0,1)
#else
#define RGBALPHA(rgb, alpha)	((rgb) | ((alpha)<<24))
#define RGBWHITE		0x00FFFFFF
#define	PACKRGBA(r,g,b,a)	((a)<<24 | (b)<<16 | (g)<<8 | (r))
#define	THRESHBIT		PACKRGBA(0,0,0,1)
#endif

#if CAVE
# define  CAVEMENU  1
#endif

#include "geometry.h"
#include <GL/gl.h>

#if CAVEMENU
#include <cave_ogl.h>
#include "cavemenu.h"
#include "vd_util.h"
#define IFMENU(x)  (x)
#else
#define IFMENU(x)
#endif

#include "shmem.h"	/* NewN(), etc. */
#include "futil.h"

#include "specks.h"

#include "textures.h"
#include "findfile.h"
#include "partiviewc.h"
#include "sfont.h"

#include <sys/types.h>
#include <signal.h>

#ifdef sgi
#include <malloc.h>	/* for mallinfo(), amallinfo() */
#endif

#ifdef USE_KIRA
#include "kira_parti.h"
#endif

  /* Star Renderer (.sdb) structure -- from stardef.h */
typedef enum {ST_POINT, ST_BRIGHT_CLOUD ,ST_DARK_CLOUD, ST_BOTH_CLOUD, OFF} stype;

typedef struct {
        float  x, y, z;
        float  dx, dy, dz;
        float  magnitude, radius;
        float  opacity;
        int  num;
        unsigned short  color;
        unsigned char   group;
        unsigned char   type;
} db_star;

typedef  struct  hrec { float  t;  int  num;}  hrec_t;
typedef  struct  mrec { float  mass, x, y, z, vx, vy, vz, rho, temp, sfr, gasmass;
                 int  id, token;}  mrec_t;
  /* end Star Renderer */


#define VDOT( v1, v2 )  ( (v1)->x[0]*(v2)->x[0] + (v1)->x[1]*(v2)->x[1] + (v1)->x[2]*(v2)->x[2] )

#if CAVEMENU
int parti_menuwall, parti_menubox[4];

static MenuHead *pmenu = NULL;
static MenuHead *stubmenu = NULL;

struct ments {
  MenuEnt *alpha, *point, *poly, *label, *psize, *polysize, *fog;
  MenuEnt *step, *fwd, *lumvar, *slum, *colorvar, *where[4];
  MenuEnt *viewall, *setscale, *speed, *fspeed, *every;
  MenuEnt *seedata, *box, *boxlevel[12];
  MenuEnt *annot;
  MenuEnt *tknob[3];
  MenuEnt *menu;
} ment;

struct boxleveler {
  struct stuff *st;
  int level;
};

void set_tknob( float val, MenuEnt *me, void *st );
void set_psize( float psize, MenuEnt *me, void *st );
void set_polysize( float psize, MenuEnt *me, void *st );
void set_alpha( float alpha, MenuEnt *me, void *st );
void set_point( int on, MenuEnt *me, void *st );
void set_poly( int on, MenuEnt *me, void *st );
void set_label( int on, MenuEnt *me, void *st );

void set_step( float time0, MenuEnt *me, void *st );
void set_fwd( int fwd, MenuEnt *me, void *st );
void set_slum( float slum, MenuEnt *me, void *st );
void set_lumvar( int which, MenuEnt *me, void *st );
void set_colorvar( int which, MenuEnt *me, void *st );
void set_seedata( int which, MenuEnt *me, void *st );
void set_speed( float speed, MenuEnt *me, void *st );
void set_fspeed( float fspeed, MenuEnt *me, void *st );
void set_every( float every, MenuEnt *me, void *st );
void set_scale( float logscale, MenuEnt *me, void *st );
void set_viewall( int all, MenuEnt *me, void *st );
void set_allboxes( int on, MenuEnt *me, void *st );
void set_boxlevel( int on, MenuEnt *me, void *bleveler );
void set_where( int unused, MenuEnt *me, void *st );
void set_menu( int on, MenuEnt *me, void *st );
#endif /*CAVEMENU*/

static int defcmap[] = {
  0x11eeee00,
  0x1106ee00, 0x120ea900, 0x1316ce00, 0x1520d500, 0x172ece00, 0x193fcb00,
  0x1c54b400, 0x206da400, 0x24889200, 0x2aa58400, 0x33c07600, 0x3ed96a00,
  0x4eed6100, 0x63fa5a00, 0x7efe5100, 0x99fb4c00, 0xafef4700, 0xc0dc4000,
  0xcbc33900, 0xd4a83000, 0xda8b2900, 0xdf702700, 0xe2572500, 0xe5411700,
  0xe82f1000, 0xea211500, 0xeb171400, 0xed0f1200, 0xee0aee00,
  0xffffff00,
};

int orientboxcolor = PACKRGBA( 0xff, 0xff, 0, 0xff );

void specks_read( struct stuff **stp, char *fname );
void specks_read_boxes( struct stuff *st, char *fname, int timestep );
int  specks_add_box( struct stuff *st, struct AMRbox *box, int timestep );
int  specks_purge( void *vstuff, int nbytes, void *aarena );
int  specks_count( struct specklist *head );
int  specks_gobox( struct stuff *st, int boxno, int argcrest, char *argvrest[] );

struct specklist **specks_find_annotation( struct stuff *, struct specklist **);
void specks_set_current_annotation( struct stuff *st, char *annotation );
void specks_add_annotation( struct stuff *st, char *annotation, int timestep );

extern int getbool( char *str, int defval );
extern float getfloat( char *str, float defval );
double specks_desired_time( struct stuff *st, double time0, double my_cat_time );

static char separ[] = " \t\n";

void strncpyt( char *dst, char *src, int dstsize ) {
  int len = strlen(src);
  if(len >= dstsize) len = dstsize-1;
  memcpy(dst, src, len);
  dst[len] = '\0';
} 

#ifdef sgi
static float defgamma = 1.0;
#else
static float defgamma = 2.5;
#endif

struct stuff *
specks_init( int argc, char *argv[] )
{
  int i;
  struct stuff *st = NewN( struct stuff, 1 );
  char *menuopt;

  memset(st, 0, sizeof(*st));
  st->spacescale = 1.0;
  st->fog = 0;