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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#ifdef USE_CONSTE
#ifdef WIN32
# include "winjunk.h"
#endif
#include "futil.h"
#ifdef __APPLE__
# include <OpenGL/gl.h>
# include <OpenGL/glu.h>
#else
# include <GL/gl.h>
# include <GL/glu.h>
#endif
extern "C" {
#include "findfile.h"
};
#include "specks.h"
#include "partiviewc.h"
#include "conste.h" // declare following as extern "C"
#define CONSTE_NONE 0
#define CONSTE_LINE 1
#define CONSTE_FIG 2
struct conste
{
char name[64];
GLuint line_index; /* OpenGL display list index for line */
GLuint fig_index; /* OpenGL display list index for figure */
char line_filename[256];
char fig_filename[256];
float lnear;
float lfar;
int state;
};
struct constestuff {
conste *constes;
int num_constes;
float line_color[3];
float fig_color[3];
};
extern "C" {
void conste_init() {
static char Conste[] = "conste";
parti_add_reader( conste_read, Conste, NULL );
parti_add_commands( conste_parse_args, Conste, NULL );
}
}
int conste_build_line(conste *_cd)
{
FILE *fp;
char line[256];
char token[256];
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if (!_cd->line_filename) return 0;
fp = fopen(_cd->line_filename,"r");
if (!fp) {
msg("Data file %s not found.",_cd->line_filename);
return 0;
}
while (fgets(line,256,fp) != NULL)
{
sscanf(line,"%s",token);
if (strcmp(token,"Lines:") == 0) {
_cd->line_index = glGenLists(1);
glNewList(_cd->line_index,GL_COMPILE_AND_EXECUTE);
glBegin(GL_LINE_STRIP);
while (fgets(line,256,fp) != NULL && line[0] != '}')
{
if (sscanf(line,"%f %f %f",&vec0[0],&vec0[1],&vec0[2]) < 3) {
glEnd();
glBegin(GL_LINE_STRIP);
} else {
glVertex3fv(vec0);
}
}
glEnd();
glEndList();
}
}
fclose(fp);
return 1;
}
int conste_build_fig(conste *_cd)
{
FILE *fp;
float pos[3];
float size,rot;
float *points;
int numPoints;
int *indexes;
int numIndexes;
int i;
if (!_cd->fig_filename) return 0;
fp = fopen(_cd->fig_filename,"rb");
if (!fp) {
msg("Data file %s not found.",_cd->fig_filename);
return 0;
}
_cd->fig_index = glGenLists(1);
glNewList(_cd->fig_index,GL_COMPILE);
fgetnf(fp, 3, pos, F_BINARY_LE);
fgetnf(fp, 1, &size, F_BINARY_LE);
fgetnf(fp, 1, &rot, F_BINARY_LE);
numPoints = -1;
fgetni(fp, 1, &numPoints, F_BINARY_LE);
if(numPoints < 0 || numPoints > 65535) {
msg("constellation file %s garbled", _cd->fig_filename);
return 0;
}
points = new float[numPoints*2];
fgetnf(fp, numPoints*2, points, F_BINARY_LE);
fgetni(fp, 1, &numIndexes, F_BINARY_LE);
indexes = new int[numIndexes];
fgetni(fp, numIndexes, indexes, F_BINARY_LE);
glPushMatrix();
/* glMultMatrixf((float *)sssim2gview);*/
glRotatef(90.0f,0.0f,0.0f,-1.0f);
glRotatef(90.0f,0.0f,-1.0f,0.0f);
if (size != 1.0f)
{
Point from,to;
from.x[0] = 0.0f;
from.x[1] = 0.0f;
from.x[2] = 1.0f;
to.x[0] = 0.5f * pos[0];
to.x[1] = 0.5f * pos[1];
to.x[2] = 0.5f * pos[2];
float cpdist = sqrtf(to.x[0]*to.x[0]+to.x[1]*to.x[1]+to.x[2]*to.x[2]);
to.x[0] /= cpdist;
to.x[1] /= cpdist;
to.x[2] /= cpdist;
glTranslatef(to.x[0],to.x[1],to.x[2]);
Matrix mat;
grotation(&mat,&from,&to);
glMultMatrixf(mat.m);
glScalef(size/cpdist,size/cpdist,1.0);
glRotatef(rot,0.0f,0.0f,1.0f);
}
glBegin(GL_LINE_STRIP);
for (i=0;i<numIndexes;i++)
{
if (indexes[i] >= 0) {
glVertex2f(-points[indexes[i]*2],points[indexes[i]*2+1]);
} else {
glEnd();
glBegin(GL_LINE_STRIP);
}
}
glEnd();
glPopMatrix();
delete [] points;
delete [] indexes;
glEndList();
fclose(fp);
return 1;
}
int conste_read_data(conste *_cd,char *_filename)
{
FILE *fp;
char line[256];
char *filename;
char token[256];
char *start;
float x,y,z;
float lnear,lfar,dist;
lnear = 0.0f;
lfar = 0.0f;
dist = 0.0f;
_cd->line_index = 0;
_cd->fig_index = 0;
_cd->state = CONSTE_LINE | CONSTE_FIG;
strcpy(_cd->line_filename,_filename);
fp = fopen(_filename,"r");
if (!fp) {
msg("Data file %s not found.",_filename);
return 0;
}
while (fgets(line,256,fp) != NULL)
{
sscanf(line,"%s",token);
if (strcmp(token,"Name:") == 0) {
line[strlen(line)-1] = '\0';
start = &line[strlen("Name:")];
while (*start == ' ') start++;
strcpy(_cd->name,start);
}
else if (strcmp(token,"Art:") == 0) {
sscanf(line,"%*s %s",_cd->fig_filename);
filename = findfile(_filename,_cd->fig_filename);
if (filename)
strcpy(_cd->fig_filename,filename);
}
else if (strcmp(token,"Lines:") == 0) {
while (fgets(line,256,fp) != NULL && line[0] != '}')
{
if (sscanf(line,"%f %f %f",&x,&y,&z) == 3) {
dist = x*x+y*y+z*z;
if (lnear == 0.0f || dist < lnear) lnear = dist;
if (lfar == 0.0f || dist > lfar) lfar = dist;
}
}
}
}
_cd->lnear = sqrtf(lnear);
_cd->lfar = sqrtf(lfar);
fclose(fp);
return 1;
}
int conste_read(struct stuff **_stp, int argc, char *argv[], char *_filename, void * )
{
FILE *fp;
char data_filename[256];
char *filename;
int i;
struct stuff *_st = *_stp;
if(0!=strcmp(argv[0], "conste"))
return 0;
if(argc!=2) {
msg("conste: expected \"conste <file-containing-list-of-filenames>\"");
return 0;
}
fp = fopen(argv[1],"r");
if (!fp) {
msg("conste %s: data file not found.", argv[1]);
return 0;
}
constestuff *cs = new constestuff;
if(fscanf(fp,"%i",&cs->num_constes) <= 0) {
msg("conste %s: expected num_constes", argv[1]);
return 0;
}
cs->constes = new conste[cs->num_constes];
for (i=0;i<cs->num_constes;i++) {
if(fscanf(fp,"%255s",data_filename) <= 0) {
msg("conste %s: couldn't read %d'th of %d constellation filenames", argv[1], i, cs->num_constes);
return 0;
}
filename = findfile(_filename,data_filename);
if (filename)
conste_read_data(&cs->constes[i],filename);
else
msg("conste %s: couldn't find constellation file %s", argv[1], data_filename);
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}
cs->line_color[0] = 0.400000f;
cs->line_color[1] = 0.400000f;
cs->line_color[2] = 0.800000f;
cs->fig_color[0] = 0.500000f;
cs->fig_color[1] = 0.500000f;
cs->fig_color[2] = 0.500000f;
_st->conste = 1;
_st->constedata = cs;
_st->textsize = 1.0f;
fclose(fp);
return 1;
}
void conste_draw(struct stuff *_st)
{
int i;
glPushMatrix();
glRotatef(90.0f,0.0f,0.0f,1.0f);
glRotatef(90.0f,1.0f,0.0f,0.0f);
constestuff *cs = (reinterpret_cast<constestuff *>(_st->constedata));
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if (_st->usepoly)
{
glColor3fv(cs->line_color);
for (i=0;i<cs->num_constes;i++) {
if (cs->constes[i].state & CONSTE_LINE) {
if (cs->constes[i].line_index == 0)
conste_build_line(&cs->constes[i]);
glCallList(cs->constes[i].line_index);
}
}
}
if (_st->usetextures)
{
glColor3fv(cs->fig_color);
for (i=0;i<cs->num_constes;i++) {
if (cs->constes[i].state & CONSTE_FIG) {
if (cs->constes[i].fig_index == 0)
conste_build_fig(&cs->constes[i]);
glPushMatrix();
glScalef((cs->constes[i].lnear + cs->constes[i].lfar) / 2.0f,
(cs->constes[i].lnear + cs->constes[i].lfar) / 2.0f,
(cs->constes[i].lnear + cs->constes[i].lfar) / 2.0f);
glCallList(cs->constes[i].fig_index);
glPopMatrix();
}
}
}
glPopMatrix();
}
int conste_parse_args(struct stuff **_stp,int _argc,char *_argv[], char *_filename, void *)
{
char result[1024];
int interest = 0;
int i,j;
struct stuff *_st = *_stp;
if(_argc < 1 || 0!=strncmp(_argv[0], "conste", 3))
return 0;
constestuff *cs = (reinterpret_cast<constestuff *>(_st->constedata));
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if (_argc > 1) {
if (!strcmp(_argv[0],"line") || !strcmp(_argv[0],"lines"))
interest = CONSTE_LINE;
else if (!strcmp(_argv[0],"fig") || !strcmp(_argv[0],"figs") ||
!strcmp(_argv[0],"figure") || !strcmp(_argv[0],"figures"))
interest = CONSTE_FIG;
else {
msg("conste {line|fig} {show|hide} [constname...|all] -or- {line|fig} color [R G B]");
return 1;
}
if (!strcmp(_argv[1],"show")) {
if (interest == CONSTE_LINE)
strcpy(result,"show constellation lines : ");
else
strcpy(result,"show constellation figures : ");
for (j=2;j<_argc;j++) {
if (!strcmp(_argv[j],"all")) {
for (i=0;i<cs->num_constes;i++)
if (!(cs->constes[i].state & interest))
cs->constes[i].state += interest;
break;
} else {
for (i=0;i<cs->num_constes;i++)
if (!strncmp(_argv[j],cs->constes[i].name,strlen(_argv[j])))
if (!(cs->constes[i].state & interest)) {
cs->constes[i].state += interest;
strcat(result,cs->constes[i].name);
strcat(result," ");
}
}
}
msg(result);
}
else if (!strcmp(_argv[1],"hide")) {
if (interest == CONSTE_LINE)
strcpy(result,"hide constellation lines : ");
else
strcpy(result,"hide constellation figures : ");
for (j=2;j<_argc;j++) {
if (!strcmp(_argv[j],"all")) {
for (i=0;i<cs->num_constes;i++)
if (cs->constes[i].state & interest)
cs->constes[i].state -= interest;
strcat(result,"all ");
break;
} else {
for (i=0;i<cs->num_constes;i++)
if (!strncmp(_argv[j],cs->constes[i].name,strlen(_argv[j])))
if (cs->constes[i].state & interest) {
cs->constes[i].state -= interest;
strcat(result,cs->constes[i].name);
strcat(result," ");
}
}
}
msg(result);
}
else if (!strcmp(_argv[1],"color")) {
if (interest == CONSTE_LINE) {
if (_argc >= 4) {
cs->line_color[0] = atof(_argv[2]);
cs->line_color[1] = atof(_argv[3]);
cs->line_color[2] = atof(_argv[4]);
}
msg("lines color %.3f %.3f %.3f (RGB constellation line color)",
cs->fig_color[0],cs->fig_color[1],cs->fig_color[2]);
} else {
if (_argc >= 4) {
cs->fig_color[0] = atof(_argv[2]);
cs->fig_color[1] = atof(_argv[3]);
cs->fig_color[2] = atof(_argv[4]);
}
msg("figures color %.3f %.3f %.3f (RGB constellation figure color)",
cs->fig_color[0],cs->fig_color[1],cs->fig_color[2]);
}
}
}
return 1;
}
#endif /* USE_CONSTE */