#include "machine.h"
#include "types.h"
#include "macros.h"
#include "box.h"
#include "cylinder.h"
#include "plane.h"
#include "quadric.h"
#include "ring.h"
#include "sphere.h"
#include "triangle.h"
#include "vol.h"
#include "extvol.h"
#include "texture.h"
#include "light.h"
#include "render.h"
#include "camera.h"
#include "vector.h"
#include "intersect.h"
#include "shade.h"
#include "util.h"
#include "imap.h"
#include "global.h"
#include "video.h"
#include "api.h"

Include dependency graph for api.cpp:

Typedefs
typedef void *	SceneHandle
Functions
void	apitextotex (apitexture apitex, texture tex)
void	rt_background (SceneHandle voidscene, color col)
void	rt_boundmode (SceneHandle voidscene, int mode)
void	rt_boundthresh (SceneHandle voidscene, int threshold)
void	rt_box (void *tex, vector min, vector max)
void	rt_camerasetup (SceneHandle voidscene, apiflt zoom, apiflt aspectratio, int antialiasing, int raydepth, vector camcent, vector viewvec, vector upvec)
color	rt_color (apiflt r, apiflt g, apiflt b)
void	rt_cylinder (void *tex, vector ctr, vector axis, apiflt rad)
void	rt_deletescene (SceneHandle scene)
void	rt_displaymode (SceneHandle voidscene, int mode)
void	rt_extvol (void tex, vector min, vector max, int samples, flt(evaluator)(flt, flt, flt))
void	rt_fcylinder (void *tex, vector ctr, vector axis, apiflt rad)
void	rt_initialize (int argc, char **argv)
void	rt_light (void *tex, vector ctr, apiflt rad)
SceneHandle	rt_newscene (void)
void	rt_outputfile (SceneHandle voidscene, const char *outname)
void	rt_plane (void *tex, vector ctr, vector norm)
void	rt_quadsphere (void *tex, vector ctr, apiflt rad)
void	rt_rawimage (SceneHandle voidscene, unsigned char *rawimage)
void	rt_renderscene (SceneHandle voidscene)
void	rt_resolution (SceneHandle voidscene, int hres, int vres)
void	rt_ring (void *tex, vector ctr, vector norm, apiflt a, apiflt b)
void	rt_scalarvol (void tex, vector min, vector max, int xs, int ys, int zs, char fname, void *invol)
void	rt_scenesetup (SceneHandle voidscene, char *outname, int hres, int vres, int verbose)
void	rt_sphere (void *tex, vector ctr, apiflt rad)
void	rt_stri (void *tex, vector v0, vector v1, vector v2, vector n0, vector n1, vector n2)
void	rt_tex_color (void *voidtex, color col)
void	rt_tex_phong (void *voidtex, apiflt phong, apiflt phongexp, int type)
void *	rt_texture (apitexture *apitex)
void	rt_tri (void *tex, vector v0, vector v1, vector v2)
vector	rt_vector (apiflt x, apiflt y, apiflt z)
void	rt_verbose (SceneHandle voidscene, int v)

Typedef Documentation

typedef void* SceneHandle

Definition at line 92 of file api.cpp.

Function Documentation

void apitextotex	(	apitexture *	apitex,
		texture *	tex
	)

Definition at line 251 of file api.cpp.

References AllocateImage(), apitexture::ambient, texture::ambient, checker_texture(), apitexture::col, texture::col, apitexture::ctr, texture::ctr, cyl_checker_texture(), apitexture::diffuse, texture::diffuse, gnoise_texture(), grit_texture(), image_cyl_texture(), image_plane_texture(), image_sphere_texture(), apitexture::imap, texture::img, texture::islight, marble_texture(), apitexture::opacity, texture::opacity, texture::phong, texture::phongexp, texture::phongtype, apitexture::rot, texture::rot, apitexture::scale, texture::scale, texture::shadowcast, apitexture::specular, texture::specular, standard_texture(), texture::texfunc, apitexture::texturefunc, apitexture::uaxs, texture::uaxs, apitexture::vaxs, texture::vaxs, and wood_texture().

Referenced by rt_texture().

                                                     {
  switch(apitex->texturefunc) {
    case 0: 
      tex->texfunc=(color(*)(void *, void *, void *))(standard_texture);
      break;

    case 1: 
      tex->texfunc=(color(*)(void *, void *, void *))(checker_texture);
      break;

    case 2: 
      tex->texfunc=(color(*)(void *, void *, void *))(grit_texture);
      break;

    case 3: 
      tex->texfunc=(color(*)(void *, void *, void *))(marble_texture);
      break;

    case 4: 
      tex->texfunc=(color(*)(void *, void *, void *))(wood_texture);
      break;

    case 5: 
      tex->texfunc=(color(*)(void *, void *, void *))(gnoise_texture);
      break;
    
    case 6: 
      tex->texfunc=(color(*)(void *, void *, void *))(cyl_checker_texture);
      break;

    case 7: 
      tex->texfunc=(color(*)(void *, void *, void *))(image_sphere_texture);
      tex->img=AllocateImage((char *)apitex->imap);
      break;

    case 8: 
      tex->texfunc=(color(*)(void *, void *, void *))(image_cyl_texture);
      tex->img=AllocateImage((char *)apitex->imap);
      break;

    case 9: 
      tex->texfunc=(color(*)(void *, void *, void *))(image_plane_texture);
      tex->img=AllocateImage((char *)apitex->imap);
      break;

    default: 
      tex->texfunc=(color(*)(void *, void *, void *))(standard_texture);
      break;
  }

       tex->ctr = apitex->ctr;
       tex->rot = apitex->rot;
     tex->scale = apitex->scale;
      tex->uaxs = apitex->uaxs;
      tex->vaxs = apitex->vaxs;
   tex->ambient = apitex->ambient;
   tex->diffuse = apitex->diffuse;
  tex->specular = apitex->specular;
   tex->opacity = apitex->opacity;
       tex->col = apitex->col; 

  tex->islight = 0;
  tex->shadowcast = 1;
  tex->phong = 0.0;
  tex->phongexp = 0.0;
  tex->phongtype = 0;
}

void rt_background	(	SceneHandle	voidscene,
		color	col
	)

Definition at line 185 of file api.cpp.

References color::b, scenedef::background, color::g, color::r, and scene.

Referenced by readmodel().

                                                     {
  scenedef * scene = (scenedef *) voidscene;
  scene->background.r = col.r;
  scene->background.g = col.g;
  scene->background.b = col.b;
}

void rt_boundmode	(	SceneHandle	voidscene,
		int	mode
	)

Definition at line 192 of file api.cpp.

References scenedef::boundmode, and scene.

Referenced by rt_newscene(), and useoptions().

                                                   {
  scenedef * scene = (scenedef *) voidscene;
  scene->boundmode = mode;
}

void rt_boundthresh	(	SceneHandle	voidscene,
		int	threshold
	)

Definition at line 197 of file api.cpp.

References scenedef::boundthresh, MAXOCTNODES, rtmesg(), and scene.

Referenced by rt_newscene(), and useoptions().

                                                          {
  scenedef * scene = (scenedef *) voidscene;
 
  if (threshold > 1) {
    scene->boundthresh = threshold;
  }
  else {
    rtmesg("Ignoring out-of-range automatic bounding threshold.\n");
    rtmesg("Automatic bounding threshold reset to default.\n");
    scene->boundthresh = MAXOCTNODES;
  }
}

void rt_box	(	void *	tex,
		vector	min,
		vector	max
	)

Definition at line 363 of file api.cpp.

References add_object(), and newbox().

Referenced by GetBox().

                                                {
  add_object((object *) newbox(tex, (vector)min, (vector)max));
}

void rt_camerasetup	(	SceneHandle	voidscene,
		apiflt	zoom,
		apiflt	aspectratio,
		int	antialiasing,
		int	raydepth,
		vector	camcent,
		vector	viewvec,
		vector	upvec
	)

Definition at line 135 of file api.cpp.

References scenedef::antialiasing, scenedef::aspectratio, scenedef::camcent, scenedef::camrightvec, scenedef::camupvec, scenedef::camviewvec, scenedef::camzoom, scenedef::raydepth, scene, VCross(), and VNorm().

Referenced by GetScenedefs(), and rt_newscene().

                                                  {
  scenedef * scene = (scenedef *) voidscene;

  vector newupvec;
  vector newviewvec;
  vector newrightvec;
 
  VCross((vector *) &upvec, &viewvec, &newrightvec);
  VNorm(&newrightvec);

  VCross((vector *) &viewvec, &newrightvec, &newupvec);
  VNorm(&newupvec);

  newviewvec=viewvec;
  VNorm(&newviewvec);


  scene->camzoom=zoom; 
  scene->aspectratio=aspectratio;
  scene->antialiasing=antialiasing;
  scene->raydepth=raydepth; 
  scene->camcent=camcent;
  scene->camviewvec=newviewvec;
  scene->camrightvec=newrightvec;
  scene->camupvec=newupvec;
}

color rt_color	(	apiflt	r,
		apiflt	g,
		apiflt	b
	)

Definition at line 106 of file api.cpp.

References color::b, g, color::g, and color::r.

                                             {
  color c;
  
  c.r = r;
  c.g = g;
  c.b = b;
  
  return c;
}

void rt_cylinder	(	void *	tex,
		vector	ctr,
		vector	axis,
		apiflt	rad
	)

Definition at line 367 of file api.cpp.

References add_object(), and newcylinder().

Referenced by GetCylinder().

                                                                  {
  add_object(newcylinder(tex, (vector)ctr, (vector)axis, rad));
}

void rt_deletescene ( SceneHandle scene )

Definition at line 246 of file api.cpp.

                                       {
  if (scene != NULL)
    free(scene);
}

void rt_displaymode	(	SceneHandle	voidscene,
		int	mode
	)

Definition at line 210 of file api.cpp.

References scenedef::displaymode, and scene.

Referenced by rt_newscene(), and useoptions().

                                                     {
  scenedef * scene = (scenedef *) voidscene;
  scene->displaymode = mode;
}

void rt_extvol	(	void *	tex,
		vector	min,
		vector	max,
		int	samples,
		flt(*)(flt, flt, flt)	evaluator
	)

Definition at line 359 of file api.cpp.

References add_object(), and newextvol().

                                                                                                  {
  add_object((object *) newextvol(tex, (vector)min, (vector)max, samples, evaluator));
}

void rt_fcylinder	(	void *	tex,
		vector	ctr,
		vector	axis,
		apiflt	rad
	)

Definition at line 371 of file api.cpp.

References add_object(), and newfcylinder().

Referenced by GetFCylinder(), rt_polycylinder(), and rt_tri_cylinder().

                                                                   {
  add_object(newfcylinder(tex, (vector)ctr, (vector)axis, rad));
}

void rt_initialize	(	int *	argc,
		char ***	argv
	)

Definition at line 116 of file api.cpp.

References InitTextures(), parinitted, reset_lights(), reset_object(), and rpcmsg::type.

Referenced by main_init_parts().

                                             {
  rpcmsg msg;

  reset_object();
  reset_lights();
  InitTextures();

  if (!parinitted) {
    parinitted=1;

    msg.type=1; /* setup a ping message */
  }
}

void rt_light	(	void *	tex,
		vector	ctr,
		apiflt	rad
	)

Definition at line 339 of file api.cpp.

References add_light(), add_object(), texture::diffuse, texture::islight, newlight(), texture::opacity, texture::shadowcast, texture::specular, and point_light::tex.

Referenced by GetLight().

                                                  {
  point_light * li;

  li=newlight(tex, (vector) ctr, rad);

  li->tex->islight=1;
  li->tex->shadowcast=1;
  li->tex->diffuse=0.0;
  li->tex->specular=0.0;
  li->tex->opacity=1.0;

  add_light(li);
  add_object((object *)li);
}

SceneHandle rt_newscene ( void )

Definition at line 222 of file api.cpp.

References MAXOCTNODES, RT_BOUNDING_ENABLED, rt_boundmode(), rt_boundthresh(), rt_camerasetup(), RT_DISPLAY_ENABLED, rt_displaymode(), rt_outputfile(), rt_rawimage(), rt_resolution(), rt_vector(), rt_verbose(), and scene.

Referenced by main_init_parts().

                              {
  scenedef * scene;
  SceneHandle voidscene;

  scene = (scenedef *) malloc(sizeof(scenedef));
  memset(scene, 0, sizeof(scenedef));             /* clear all valuas to 0  */

  voidscene = (SceneHandle) scene;

  rt_outputfile(voidscene, "/dev/null");   /* default output file (.tga)   */
  rt_resolution(voidscene, 512, 512);             /* 512x512 resolution     */
  rt_verbose(voidscene, 0);                       /* verbose messages off   */
  rt_rawimage(voidscene, NULL);                   /* raw image output off   */
  rt_boundmode(voidscene, RT_BOUNDING_ENABLED);   /* spatial subdivision on */
  rt_boundthresh(voidscene, MAXOCTNODES);         /* default threshold      */
  rt_displaymode(voidscene, RT_DISPLAY_ENABLED);  /* video output on        */
  rt_camerasetup(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));
 
  return scene;
}

void rt_outputfile	(	SceneHandle	voidscene,
		const char *	outname
	)

Definition at line 164 of file api.cpp.

References scenedef::outfilename, and scene.

Referenced by rt_newscene(), rt_scenesetup(), and useoptions().

                                                                {
  scenedef * scene = (scenedef *) voidscene;
  strcpy((char *) &scene->outfilename, outname);
}

void rt_plane	(	void *	tex,
		vector	ctr,
		vector	norm
	)

Definition at line 375 of file api.cpp.

References add_object(), and newplane().

Referenced by GetPlane().

                                                   {
  add_object(newplane(tex, (vector)ctr, (vector)norm));
}

void rt_quadsphere	(	void *	tex,
		vector	ctr,
		apiflt	rad
	)

Definition at line 408 of file api.cpp.

References quadmatrix::a, add_object(), quadmatrix::b, quadmatrix::c, quadric::ctr, quadmatrix::d, quadmatrix::e, quadmatrix::f, quadmatrix::g, quadmatrix::h, quadmatrix::i, quadmatrix::j, quadric::mat, newquadric(), and quadric::tex.

                                                       {
  quadric * q;
  flt factor;
  q=(quadric *) newquadric();
  factor= 1.0 / (rad*rad);
  q->tex=(texture *)tex;
  q->ctr=ctr;
 
  q->mat.a=factor;
  q->mat.b=0.0;
  q->mat.c=0.0;
  q->mat.d=0.0;
  q->mat.e=factor;
  q->mat.f=0.0;
  q->mat.g=0.0;
  q->mat.h=factor;
  q->mat.i=0.0;
  q->mat.j=-1.0;
 
  add_object((object *)q);
}

void rt_rawimage	(	SceneHandle	voidscene,
		unsigned char *	rawimage
	)

Definition at line 180 of file api.cpp.

References scenedef::rawimage, and scene.

Referenced by rt_newscene().

                                                                 {
  scenedef * scene = (scenedef *) voidscene;
  scene->rawimage = rawimage;
}

void rt_renderscene ( SceneHandle voidscene )

Definition at line 130 of file api.cpp.

References renderscene(), and scene.

                                           {
  scenedef * scene = (scenedef *) voidscene;
  renderscene(*scene);
}

void rt_resolution	(	SceneHandle	voidscene,
		int	hres,
		int	vres
	)

Definition at line 169 of file api.cpp.

References scenedef::hres, scene, and scenedef::vres.

Referenced by rt_newscene(), and rt_scenesetup().

                                                              {
  scenedef * scene = (scenedef *) voidscene;
  scene->hres=hres;
  scene->vres=vres;
}

void rt_ring	(	void *	tex,
		vector	ctr,
		vector	norm,
		apiflt	a,
		apiflt	b
	)

Definition at line 379 of file api.cpp.

References add_object(), and newring().

Referenced by GetRing().

                                                                      {
  add_object(newring(tex, (vector)ctr, (vector)norm, a, b));
}

void rt_scalarvol	(	void *	tex,
		vector	min,
		vector	max,
		int	xs,
		int	ys,
		int	zs,
		char *	fname,
		void *	invol
	)

Definition at line 354 of file api.cpp.

References add_object(), and newscalarvol().

Referenced by GetVol().

                                                        {
  add_object((object *) newscalarvol(tex, (vector)min, (vector)max, xs, ys, zs, fname, (scalarvol *) invol));
}

void rt_scenesetup	(	SceneHandle	voidscene,
		char *	outname,
		int	hres,
		int	vres,
		int	verbose
	)

Definition at line 216 of file api.cpp.

References rt_outputfile(), rt_resolution(), and rt_verbose().

Referenced by GetScenedefs().

                                                                                           {
  rt_outputfile(voidscene, outname);
  rt_resolution(voidscene, hres, vres);
  rt_verbose(voidscene, verbose);
}

void rt_sphere	(	void *	tex,
		vector	ctr,
		apiflt	rad
	)

Definition at line 383 of file api.cpp.

References add_object(), and newsphere().

Referenced by GetSphere(), and rt_polycylinder().

                                                   {
  add_object(newsphere(tex, (vector)ctr, rad));
}

void rt_stri	(	void *	tex,
		vector	v0,
		vector	v1,
		vector	v2,
		vector	n0,
		vector	n1,
		vector	n2
	)

Definition at line 397 of file api.cpp.

References add_object(), and newstri().

Referenced by GetSTri(), rt_sheightfield(), rt_tri_fcylinder(), and rt_tri_ring().

                                         {
  object * trn;
 
  trn = newstri(tex, (vector)v0, (vector)v1, (vector)v2, (vector)n0, (vector)n1, (vector)n2);

  if (trn != NULL) { 
    add_object(trn);
  }
}

void rt_tex_color	(	void *	voidtex,
		color	col
	)

Definition at line 327 of file api.cpp.

References texture::col.

                                             {
  texture * tex = (texture *) voidtex;
  tex->col = col;
}

void rt_tex_phong	(	void *	voidtex,
		apiflt	phong,
		apiflt	phongexp,
		int	type
	)

Definition at line 332 of file api.cpp.

References texture::phong, texture::phongexp, and texture::phongtype.

Referenced by GetTexBody().

                                                                           {
  texture * tex = (texture *) voidtex;
  tex->phong = phong;
  tex->phongexp = phongexp;
  tex->phongtype = type;
}

void* rt_texture ( apitexture * apitex )

Definition at line 319 of file api.cpp.

References apitextotex(), and rt_getmem().

Referenced by GetLight(), GetTexBody(), and reset_tex_table().

                                       {
  texture * tex;

  tex=(texture *)rt_getmem(sizeof(texture));
  apitextotex(apitex, tex); 
  return(tex);
}

void rt_tri	(	void *	tex,
		vector	v0,
		vector	v1,
		vector	v2
	)

Definition at line 387 of file api.cpp.

References add_object(), and newtri().

Referenced by GetTPolyFile(), GetTri(), rt_heightfield(), and rt_tri_box().

                                                         {
  object * trn;

  trn = newtri(tex, (vector)v0, (vector)v1, (vector)v2);

  if (trn != NULL) { 
    add_object(trn);
  }
}

vector rt_vector	(	apiflt	x,
		apiflt	y,
		apiflt	z
	)

Definition at line 96 of file api.cpp.

References vector::x, vector::y, and vector::z.

Referenced by rt_newscene(), rt_sheightfield(), and rt_tri_box().

                                               {
  vector v;

  v.x = x;
  v.y = y;
  v.z = z;

  return v;
}

void rt_verbose	(	SceneHandle	voidscene,
		int	v
	)

Definition at line 175 of file api.cpp.

References scene, and scenedef::verbosemode.

Referenced by rt_newscene(), rt_scenesetup(), and useoptions().

                                              {
  scenedef * scene = (scenedef *) voidscene;
  scene->verbosemode = v;
}

Typedefs

Functions

Typedef Documentation

Function Documentation