static errcode GetScenedefs(FILE * dfile, SceneHandle scene) {
apivector Ccenter, Cview, Cup;
apiflt zoom, aspectratio;
int raydepth, antialiasing;
rt_outputfile(scene, "outfile.tga");
rt_resolution(scene, 512, 512);
rt_verbose(scene, 0);
zoom=1.0;
aspectratio=1.0;
antialiasing=0;
raydepth=6;
Ccenter.x = 0.0;
Ccenter.y = 0.0;
Ccenter.z = -5.0;
Cview.x = 0.0;
Cview.y = 0.0;
Cview.z = 1.0;
Cup.x = 0.0;
Cup.y = 1.0;
Cup.z = 0.0;
rt_camera_setup(scene, zoom, aspectratio, antialiasing, raydepth,
Ccenter, Cview, Cup);
{ /* lighting hack */
apivector ctr;
apitexture tex;
memset(&tex, 0, sizeof(apitexture));
tex.col.r = 1.0;
tex.col.g = 1.0;
tex.col.b = 1.0;
ctr.x = 0.0;
ctr.y = 0.0;
ctr.z = -100.0;
rt_light(scene, rt_texture(scene, &tex), ctr, 1.0);
}
return PARSENOERR;
}
int NFFGetScenedefs(FILE * dfile, SceneHandle scene) {
apivector Ccenter, Cview, Cup;
apiflt zoom, aspectratio;
int raydepth, antialiasing;
int xres, yres, verbose;
apivector lookat;
float vangle, hither;
NFFGetString(dfile, "from");
NFFGetVector(dfile, &Ccenter);
NFFGetString(dfile, "at");
NFFGetVector(dfile, &lookat);
Cview.x = lookat.x - Ccenter.x;
Cview.y = lookat.y - Ccenter.y;
Cview.z = lookat.z - Ccenter.z;
NFFGetString(dfile, "up");
NFFGetVector(dfile, &Cup);
NFFGetString(dfile, "angle");
fscanf(dfile, "%f", &vangle);
zoom = 1.0; /* XXX fix me later */
aspectratio = 1.0;
NFFGetString(dfile, "hither");
fscanf(dfile, "%f", &hither);
NFFGetString(dfile, "resolution");
fscanf(dfile, "%d %d", &xres, &yres);
antialiasing = 0;
raydepth = 6;
verbose = 0;
rt_outputfile(scene, "outfile.tga");
rt_resolution(scene, xres, yres);
rt_verbose(scene, verbose);
rt_camera_setup(scene, zoom, aspectratio, antialiasing, raydepth,
Ccenter, Cview, Cup);
rt_background(scene, backgr);
return NFFNOERR;
}
/* allocate and initialize a scene with default parameters */
SceneHandle rt_newscene(void) {
scenedef * scene;
SceneHandle voidscene;
apicolor bgcolor = rt_color(0.0, 0.0, 0.0);
apicolor ambcolor = rt_color(1.0, 1.0, 1.0);
scene = (scenedef *) malloc(sizeof(scenedef));
memset(scene, 0, sizeof(scenedef)); /* clear all valuas to 0 */
voidscene = (SceneHandle) scene;
rt_outputfile(voidscene, "/tmp/outfile.tga"); /* default output file */
rt_crop_disable(voidscene); /* disable cropping */
rt_outputformat(voidscene, RT_FORMAT_TARGA); /* default iamge format */
rt_resolution(voidscene, 512, 512); /* 512x512 resolution */
rt_verbose(voidscene, 0); /* verbose messages off */
rt_image_gamma(voidscene, 2.2f); /* set default gamma */
rt_image_clamp(voidscene); /* clamp image colors */
#if 1
rt_rawimage_rgb96f(voidscene, NULL); /* raw image output off */
#else
rt_rawimage_rgb24(voidscene, NULL); /* raw image output off */
#endif
rt_boundmode(voidscene, RT_BOUNDING_ENABLED); /* spatial subdivision on */
rt_boundthresh(voidscene, BOUNDTHRESH); /* default threshold */
rt_camera_setup(voidscene, 1.0, 1.0, 0, 6,
rt_vector(0.0, 0.0, 0.0),
rt_vector(0.0, 0.0, 1.0),
rt_vector(0.0, 1.0, 0.0));
rt_camera_dof(voidscene, 1.0, 0.0);
rt_shadermode(voidscene, RT_SHADER_AUTO);
rt_rescale_lights(voidscene, 1.0);
rt_phong_shader(voidscene, RT_SHADER_BLINN);
rt_background(voidscene, bgcolor);
rt_background_sky_sphere(voidscene, rt_vector(0.0, 1.0, 0.0), 0.3, 0,
rt_color(0.0, 0.0, 0.0), rt_color(0.0, 0.0, 0.5));
rt_background_mode(voidscene, RT_BACKGROUND_TEXTURE_SOLID);
rt_ambient_occlusion(voidscene, 0, ambcolor); /* disable AO by default */
rt_fog_rendering_mode(voidscene, RT_FOG_NORMAL); /* radial fog by default */
rt_fog_mode(voidscene, RT_FOG_NONE); /* disable fog by default */
rt_fog_parms(voidscene, bgcolor, 0.0, 1.0, 1.0);
/* use max positive integer for max transparent surface limit by default */
rt_trans_max_surfaces(voidscene,((((int)1) << ((sizeof(int) * 8) - 2))-1)*2);
rt_trans_mode(voidscene, RT_TRANS_ORIG); /* set transparency mode */
rt_normal_fixup_mode(voidscene, 0); /* disable normal fixup */
rt_shadow_filtering(voidscene, 1); /* shadow filtering on */
scene->objgroup.boundedobj = NULL;
scene->objgroup.unboundedobj = NULL;
scene->objgroup.numobjects = 0;
scene->texlist = NULL;
scene->lightlist = NULL;
scene->cliplist = NULL;
scene->numlights = 0;
scene->scenecheck = 1;
scene->parbuf = NULL;
scene->threads = NULL;
scene->threadparms = NULL;
scene->flags = RT_SHADE_NOFLAGS;
rt_set_numthreads(voidscene, -1); /* auto determine num threads */
/* number of distributed memory nodes, fills in array of node/cpu info */
scene->nodes = rt_getcpuinfo(&scene->cpuinfo);
scene->mynode = rt_mynode();
return scene;
}
static errcode GetCamera(parsehandle * ph, SceneHandle scene) {
apivector Ccenter, Cview, Cup;
apiflt zoom, aspectratio;
int raydepth, antialiasing;
float a, b, c, d;
errcode rc = PARSENOERR;
char data[255];
fscanf(ph->ifp, "%s", data);
if (stringcmp(data, "PROJECTION") == 0) {
fscanf(ph->ifp, "%s", data);
if (stringcmp(data, "FISHEYE") ==0) {
rt_camera_projection(scene, RT_PROJECTION_FISHEYE);
} else if (stringcmp(data, "PERSPECTIVE") ==0) {
rt_camera_projection(scene, RT_PROJECTION_PERSPECTIVE);
} else if (stringcmp(data, "PERSPECTIVE_DOF") ==0) {
rt_camera_projection(scene, RT_PROJECTION_PERSPECTIVE_DOF);
rc |= GetString(ph, "FOCALLENGTH");
fscanf(ph->ifp, "%f", &a);
rc |= GetString(ph, "APERTURE");
fscanf(ph->ifp, "%f", &b);
rt_camera_dof(scene, a, b);
} else if (stringcmp(data, "ORTHOGRAPHIC") ==0) {
rt_camera_projection(scene, RT_PROJECTION_ORTHOGRAPHIC);
}
rc |= GetString(ph, "ZOOM");
fscanf(ph->ifp, "%f", &a);
zoom=a;
} else if (stringcmp(data, "ZOOM") == 0) {
fscanf(ph->ifp, "%f", &a);
zoom=a;
} else {
rc = PARSEBADSYNTAX;
return rc;
}
rc |= GetString(ph, "ASPECTRATIO");
fscanf(ph->ifp, "%f", &b);
aspectratio=b;
rc |= GetString(ph, "ANTIALIASING");
fscanf(ph->ifp, "%d", &antialiasing);
rc |= GetString(ph, "RAYDEPTH");
fscanf(ph->ifp, "%d", &raydepth);
rc |= GetString(ph, "CENTER");
fscanf(ph->ifp, "%f %f %f", &a, &b, &c);
Ccenter.x = a;
Ccenter.y = b;
Ccenter.z = c;
rc |= GetString(ph, "VIEWDIR");
fscanf(ph->ifp, "%f %f %f", &a, &b, &c);
Cview.x = a;
Cview.y = b;
Cview.z = c;
rc |= GetString(ph, "UPDIR");
fscanf(ph->ifp, "%f %f %f", &a, &b, &c);
Cup.x = a;
Cup.y = b;
Cup.z = c;
rt_camera_setup(scene, zoom, aspectratio, antialiasing, raydepth,
Ccenter, Cview, Cup);
fscanf(ph->ifp, "%s", data);
if (stringcmp(data, "FRUSTUM") == 0) {
fscanf(ph->ifp, "%f %f %f %f", &a, &b, &c, &d);
rt_camera_frustum(scene, a, b, c, d);
fscanf(ph->ifp, "%s", data);
if (stringcmp(data, "END_CAMERA") != 0) {
rc |= PARSEBADSYNTAX;
return rc;
}
} else if (stringcmp(data, "END_CAMERA") != 0) {
rc |= PARSEBADSYNTAX;
return rc;
}
return rc;
}
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;
}
