int ray(int argc, char **argv) {
#else
int main(int argc, char **argv) {
#endif
SceneHandle scene;
unsigned int rc;
argoptions opt;
char * filename;
int node, fileindex;
rt_timerhandle parsetimer;
size_t len;
node = rt_initialize(&argc, &argv);
rt_set_ui_message(my_ui_message);
rt_set_ui_progress(my_ui_progress);
if (node == 0) {
printf("Tachyon Parallel/Multiprocessor Ray Tracer Version %s \n",
TACHYON_VERSION_STRING);
printf("Copyright 1994-2010, John E. Stone <*****@*****.**> \n");
printf("------------------------------------------------------------ \n");
}
if ((rc = getargs(argc, argv, &opt, node)) != 0) {
rt_finalize();
exit(rc);
}
if (opt.numfiles > 1) {
printf("Rendering %d scene files.\n", opt.numfiles);
}
for (fileindex=0; fileindex<opt.numfiles; fileindex++) {
scene = rt_newscene();
/* process command line overrides */
presceneoptions(&opt, scene);
filename = opt.filenames[fileindex];
if (opt.numfiles > 1) {
printf("\nRendering scene file %d of %d, %s\n", fileindex+1, opt.numfiles, filename);
}
parsetimer=rt_timer_create();
rt_timer_start(parsetimer);
len = strlen(filename);
if (len > 4 && (!strcmp(filename+len-4, ".nff") ||
!strcmp(filename+len-4, ".NFF"))) {
rc = ParseNFF(filename, scene); /* must be an NFF file */
}
else if (len > 3 && (!strcmp(filename+len-3, ".ac") ||
!strcmp(filename+len-3, ".AC"))) {
rc = ParseAC3D(filename, scene); /* Must be an AC3D file */
}
#ifdef USELIBMGF
else if (len > 4 && (!strcmp(filename+len-4, ".mgf") ||
!strcmp(filename+len-4, ".MGF"))) {
rc = ParseMGF(filename, scene, 1); /* Must be an MGF file */
}
#endif
else {
rc = readmodel(filename, scene); /* Assume its a Tachyon scene file */
}
rt_timer_stop(parsetimer);
if (rc == PARSENOERR && node == 0)
printf("Scene Parsing Time: %10.4f seconds\n", rt_timer_time(parsetimer));
rt_timer_destroy(parsetimer);
if (rc != PARSENOERR && node == 0) {
switch(rc) {
case PARSEBADFILE:
printf("Parser failed due to nonexistent input file: %s\n", filename);
break;
case PARSEBADSUBFILE:
printf("Parser failed due to nonexistent included file.\n");
break;
case PARSEBADSYNTAX:
printf("Parser failed due to an input file syntax error.\n");
break;
case PARSEEOF:
printf("Parser unexpectedly hit an end of file.\n");
break;
case PARSEALLOCERR:
printf("Parser ran out of memory.\n");
break;
}
if (fileindex+1 < opt.numfiles)
printf("Aborting render, continuing with next scene file...\n");
else
printf("Aborting render.\n");
rt_deletescene(scene); /* free the scene */
continue; /* process the next scene */
}
/* process command line overrides */
postsceneoptions(&opt, scene);
/* choose which rendering mode to use */
if (opt.usecamfile == 1) {
return animate_scene(opt, scene, node); /* fly using prerecorded data */
}
else if (strlen(opt.spaceball) > 0) {
return fly_scene(opt, scene, node); /* fly with spaceball etc */
}
else {
if (opt.numfiles > 1 && opt.nosave != 1) {
char multioutfilename[FILENAME_MAX];
sprintf(multioutfilename, opt.outfilename, fileindex);
rt_outputfile(scene, multioutfilename);
}
rt_renderscene(scene); /* Render a single frame */
}
rt_deletescene(scene); /* free the scene, get ready for next one */
}
rt_finalize(); /* close down the rendering library and MPI */
freeoptions(&opt); /* free parsed command line option data */
return 0;
}
/*
* main loop for creating animations by flying using a spaceball
* or other 3-D input mechanism.
*/
static int fly_scene(argoptions opt, SceneHandle scene, int node) {
dispHandle * dh = NULL;
int done = 0;
int frameno = 0;
float fps;
rt_timerhandle fpstimer;
rt_timerhandle animationtimer;
char outfilename[1];
#if defined(USESPACEBALL)
sbHandle * bh = NULL;
#endif
if (node == 0)
dh = tachyon_display_create(scene);
rt_set_ui_message(NULL);
rt_set_ui_progress(NULL);
if (node == 0)
printf("Interactive Camera Flight\n");
outfilename[0] = '\0';
rt_outputfile(scene, outfilename);
fpstimer=rt_timer_create();
animationtimer=rt_timer_create();
#if defined(USESPACEBALL)
if (node == 0) {
#if 1
bh = tachyon_init_spaceball(scene, opt.spaceball);
#else
if (rt_numnodes() < 2) {
bh = tachyon_init_spaceball(scene, opt.spaceball);
} else {
printf("WARNING: Spaceball mode disabled when running with distributed memory");
}
#endif
}
#endif
rt_timer_start(animationtimer);
while (!done) {
if (frameno != 0) {
rt_timer_stop(fpstimer);
fps = 1.0f / rt_timer_time(fpstimer);
} else {
fps = 0.0;
}
rt_timer_start(fpstimer);
if (node == 0) {
printf("\rRendering Frame: %9d %10.4f FPS ", frameno, fps);
fflush(stdout);
}
#if defined(USESPACEBALL)
if (bh != NULL)
done = tachyon_spaceball_update(bh, scene);
#endif
rt_renderscene(scene);
if (dh != NULL)
tachyon_display_draw(dh);
frameno++;
}
rt_timer_stop(animationtimer);
fps = frameno / rt_timer_time(animationtimer);
if (node == 0) {
printf("\rCompleted animation of %d frames \n", frameno);
printf("Animation Time: %10.4f seconds (Averaged %7.4f FPS)\n",
rt_timer_time(animationtimer), fps);
}
rt_timer_destroy(fpstimer);
if (node == 0) {
printf("\nFinished Running Camera.\n");
if (dh !=NULL)
tachyon_display_delete(dh);
}
rt_deletescene(scene); /* free the scene */
rt_finalize(); /* close down the rendering library and MPI */
return 0;
}
/*
* main loop for creating animations by playing recorded camera fly-throughs
*/
static int animate_scene(argoptions opt, SceneHandle scene, int node) {
char outfilename[1000];
FILE * camfp;
dispHandle * dh = NULL;
if (node == 0)
dh = tachyon_display_create(scene);
/* if we have a camera file, then animate.. */
if ((camfp = fopen(opt.camfilename, "r")) != NULL) {
floatvec cv, cu, cc;
apivector cmv, cmu, cmc;
int frameno = 0;
float fps;
rt_timerhandle fpstimer;
rt_timerhandle animationtimer;
rt_set_ui_message(NULL);
rt_set_ui_progress(NULL);
if (node == 0)
printf("Running Camera File: %s\n", opt.camfilename);
fpstimer=rt_timer_create();
animationtimer=rt_timer_create();
rt_timer_start(animationtimer);
while (!feof(camfp)) {
fscanf(camfp, "%f %f %f %f %f %f %f %f %f",
&cv.x, &cv.y, &cv.z, &cu.x, &cu.y, &cu.z, &cc.x, &cc.y, &cc.z);
cmv.x = cv.x;
cmv.y = cv.y;
cmv.z = cv.z;
cmu.x = cu.x;
cmu.y = cu.y;
cmu.z = cu.z;
cmc.x = cc.x;
cmc.y = cc.y;
cmc.z = cc.z;
if (frameno != 0) {
rt_timer_stop(fpstimer);
fps = 1.0f / rt_timer_time(fpstimer);
} else {
fps = 0.0;
}
rt_timer_start(fpstimer);
outfilename[0] = '\0';
if (opt.nosave == 1) {
if (node == 0) {
printf("\rRendering Frame: %9d %10.4f FPS ", frameno, fps);
fflush(stdout);
}
}
else {
sprintf(outfilename, opt.outfilename, frameno);
if (node == 0) {
printf("\rRendering Frame to %s (%10.4f FPS) ", outfilename, fps);
fflush(stdout);
}
}
rt_outputfile(scene, outfilename);
rt_camera_position(scene, cmc, cmv, cmu);
rt_renderscene(scene);
if (dh != NULL)
tachyon_display_draw(dh);
frameno++;
}
rt_timer_stop(animationtimer);
fps = frameno / rt_timer_time(animationtimer);
if (node == 0) {
printf("\rCompleted animation of %d frames \n", frameno);
printf("Animation Time: %10.4f seconds (Averaged %7.4f FPS)\n",
rt_timer_time(animationtimer), fps);
}
rt_timer_destroy(fpstimer);
fclose(camfp);
} else {
if (node == 0) {
printf("Couldn't open camera file: %s\n", opt.camfilename);
printf("Aborting render.\n");
}
rt_deletescene(scene); /* free the scene */
rt_finalize(); /* close down the rendering library and MPI */
return -1;
}
if (node == 0) {
printf("\nFinished Running Camera.\n");
if (dh !=NULL)
tachyon_display_delete(dh);
}
rt_deletescene(scene); /* free the scene */
rt_finalize(); /* close down the rendering library and MPI */
return 0;
}
int main(int argc, char **argv) {
SceneHandle scene;
int i, j;
apivector Ccenter, Cview, Cup;
apivector ctr1, ctr2;
apitexture tex1, tex2;
void * vtx1, * vtx2;
char fname[100];
rt_initialize(&argc, &argv);
Ccenter.x=0.0; Ccenter.y=0.0; Ccenter.z=-3.0;
Cview.x=0.0; Cview.y=0.0; Cview.z=1.0;
Cup.x=0.0; Cup.y=1.0; Cup.z=0.0;
ctr1.x=20.0; ctr1.y=20.0; ctr1.z=-40.0;
ctr2.x=-20.0; ctr2.y=20.0; ctr2.z=-40.0;
tex1.col.r=1.0;
tex1.col.g=0.5;
tex1.col.b=0.0;
tex1.ambient=1.0;
tex1.opacity=1.0;
tex2=tex1;
tex2.col.r=0.0;
tex2.col.b=1.0;
initspheres();
for (i=0; i<MAXFRAMES; i++) {
scene = rt_newscene();
vtx1=rt_texture(scene, &tex1);
vtx2=rt_texture(scene, &tex2);
sprintf(fname,"outfile.%4.4d.tga",i);
if (rt_mynode()==0) printf("Rendering: %s\n", fname);
rt_outputfile(scene, fname);
rt_resolution(scene, XRES, YRES);
rt_verbose(scene, 0);
rt_camera_setup(scene, 1.0, 1.0, 0, 5, Ccenter, Cview, Cup);
movesp();
drawsp(scene);
rt_light(scene, vtx1, ctr1, 1.0);
rt_light(scene, vtx2, ctr2, 1.0);
rt_renderscene(scene);
rt_deletescene(scene);
for (j=0; j<NUMSP; j++)
free(sp[i].voidtex);
}
rt_finalize();
return 0;
}
