static errcode GetObject(FILE * dfile, SceneHandle scene) {
char objtype[80];
fscanf(dfile, "%s", objtype);
if (!stringcmp(objtype, "END_SCENE")) {
return PARSEEOF; /* end parsing */
}
if (!stringcmp(objtype, "TEXDEF")) {
return GetTexDef(dfile);
}
if (!stringcmp(objtype, "TEXALIAS")) {
return GetTexAlias(dfile);
}
if (!stringcmp(objtype, "BACKGROUND")) {
return GetBackGnd(dfile);
}
if (!stringcmp(objtype, "CYLINDER")) {
return GetCylinder(dfile);
}
if (!stringcmp(objtype, "FCYLINDER")) {
return GetFCylinder(dfile);
}
if (!stringcmp(objtype, "POLYCYLINDER")) {
return GetPolyCylinder(dfile);
}
if (!stringcmp(objtype, "SPHERE")) {
return GetSphere(dfile);
}
if (!stringcmp(objtype, "PLANE")) {
return GetPlane(dfile);
}
if (!stringcmp(objtype, "RING")) {
return GetRing(dfile);
}
if (!stringcmp(objtype, "BOX")) {
return GetBox(dfile);
}
if (!stringcmp(objtype, "SCALARVOL")) {
return GetVol(dfile);
}
if (!stringcmp(objtype, "TRI")) {
return GetTri(dfile);
}
if (!stringcmp(objtype, "STRI")) {
return GetSTri(dfile);
}
if (!stringcmp(objtype, "LIGHT")) {
return GetLight(dfile);
}
if (!stringcmp(objtype, "SCAPE")) {
return GetLandScape(dfile);
}
if (!stringcmp(objtype, "TPOLYFILE")) {
return GetTPolyFile(dfile);
}
fprintf(stderr, "Found bad token: %s expected an object type\n", objtype);
return PARSEBADSYNTAX;
}
bool BEZIER::Collide(VERTEX origin, VERTEX direction, VERTEX &outtri)
{
int i;
VERTEX curtri[3];
int retval = 0;
float t, u, v;
int x, y;
for (i = 0; i < NumTris(COLLISION_DIVS) && !retval; i++)
{
GetTri(COLLISION_DIVS, i, curtri);
retval = INTERSECT_FUNCTION(origin.v3(), direction.v3(),
curtri[0].v3(), curtri[1].v3(), curtri[2].v3(),
&t, &u, &v);
if (retval)
{
if (i % 2 == 0)
{
u = 1.0 - u;
v = 1.0 - v;
}
u = 1.0 - u;
v = 1.0 - v;
x = (i/2) % COLLISION_DIVS;
y = (i/2) / COLLISION_DIVS;
u += (float) x;
v += (float) y;
u = u / (float) COLLISION_DIVS;
v = v / (float) COLLISION_DIVS;
//u = 1.0 - u;
//v = 1.0 - v;
//cout << u << "," << v << endl;
outtri = SurfCoord(u, v);
return true;
}
}
outtri = origin;
return false;
}
static errcode GetObject(parsehandle * ph, SceneHandle scene) {
char objtype[256];
if (fscanf(ph->ifp, "%s", objtype) == EOF) {
return PARSEEOF;
}
if (!stringcmp(objtype, "TRI")) {
return GetTri(ph, scene);
}
if (!stringcmp(objtype, "STRI")) {
return GetSTri(ph, scene);
}
if (!stringcmp(objtype, "VCSTRI")) {
return GetVCSTri(ph, scene);
}
if (!stringcmp(objtype, "SPHERE")) {
return GetSphere(ph, scene);
}
if (!stringcmp(objtype, "FCYLINDER")) {
return GetFCylinder(ph, scene);
}
if (!stringcmp(objtype, "RING")) {
return GetRing(ph, scene);
}
if (!stringcmp(objtype, "POLYCYLINDER")) {
return GetPolyCylinder(ph, scene);
}
if (!stringcmp(objtype, "CYLINDER")) {
return GetCylinder(ph, scene);
}
if (!stringcmp(objtype, "PLANE")) {
return GetPlane(ph, scene);
}
if (!stringcmp(objtype, "BOX")) {
return GetBox(ph, scene);
}
if (!stringcmp(objtype, "SCALARVOL")) {
return GetVol(ph, scene);
}
if (!stringcmp(objtype, "TEXDEF")) {
return GetTexDef(ph, scene);
}
if (!stringcmp(objtype, "TEXALIAS")) {
return GetTexAlias(ph);
}
if (!stringcmp(objtype, "LIGHT")) {
return GetLight(ph, scene);
}
if (!stringcmp(objtype, "DIRECTIONAL_LIGHT")) {
return GetDirLight(ph, scene);
}
if (!stringcmp(objtype, "SPOTLIGHT")) {
return GetSpotLight(ph, scene);
}
if (!stringcmp(objtype, "SCAPE")) {
return GetLandScape(ph, scene);
}
if (!stringcmp(objtype, "CAMERA")) {
return GetCamera(ph, scene);
}
if (!stringcmp(objtype, "TPOLYFILE")) {
return GetTPolyFile(ph, scene);
}
if (!stringcmp(objtype, "MGFFILE")) {
#ifdef USELIBMGF
return GetMGFFile(ph, scene);
#else
printf("MGF File Parsing is not available in this build.\n");
return PARSEBADSYNTAX;
#endif
}
if (!stringcmp(objtype, "#")) {
int c;
while (1) {
c=fgetc(ph->ifp);
if (c == EOF || c == '\n') /* eat comment text */
return PARSENOERR;
}
}
if (!stringcmp(objtype, "BACKGROUND")) {
return GetBackGnd(ph, scene);
}
if (!stringcmp(objtype, "FOG")) {
return GetFog(ph, scene);
}
if (!stringcmp(objtype, "INCLUDE")) {
char includefile[FILENAME_MAX];
fscanf(ph->ifp, "%s", includefile);
return ReadIncludeFile(ph, includefile, scene);
}
if (!stringcmp(objtype, "START_CLIPGROUP")) {
return GetClipGroup(ph, scene);
}
if (!stringcmp(objtype, "END_CLIPGROUP")) {
return GetClipGroupEnd(ph, scene);
}
if (!stringcmp(objtype, "END_SCENE")) {
return PARSEEOF; /* end parsing */
}
PrintSyntaxError(ph, "an object or other declaration", objtype);
return PARSEBADSYNTAX;
}