static void
createface(void)
{
int i;
facedl = glGenLists(1);
face_first = FALSE;
glNewList(facedl, GL_COMPILE);
glRotatef(-90, 1, 0, 0);
glBegin(GL_TRIANGLES);
for (i = 0; i < numTriangles; i++) {
createvertex(face[i][0], face[i][3]);
createvertex(face[i][1], face[i][4]);
createvertex(face[i][2], face[i][5]);
}
glEnd();
glEndList();
}
edge_t *createedge (edgedata_t *edp, char *name) {
edge_t *ememp, *ep;
vertex_t *v0p, *v1p;
ememp = ep = NULL;
if (!(ememp = vmalloc (evm, sizeof (edge_t))))
goto abortcreateedge;
ememp->tlid = edp->tlid;
if (!(ep = dtinsert (edgedict, ememp)))
goto abortcreateedge;
if (ep != ememp) {
SUwarning (2, "createedge", "duplicate edge %d", edp->tlid);
if (!edp->onesided || !ep->onesided) {
SUwarning (
1, "createedge", "cannot handle two-sided duplicate edge %d",
edp->tlid
);
return ep;
}
ep->onesided = 0;
if (ep->statel == 0) {
if (edp->statel != 0) {
ep->zipl = edp->zipl;
ep->npanxxlocl = edp->npanxxlocl;
ep->statel = edp->statel;
ep->countyl = edp->countyl;
ep->ctbnal = edp->ctbnal;
ep->blkl = edp->blkl;
ep->blksl = edp->blksl;
} else {
ep->zipl = edp->zipr;
ep->npanxxlocl = edp->npanxxlocr;
ep->statel = edp->stater;
ep->countyl = edp->countyr;
ep->ctbnal = edp->ctbnar;
ep->blkl = edp->blkr;
ep->blksl = edp->blksr;
}
} else {
if (edp->statel != 0) {
ep->zipr = edp->zipl;
ep->npanxxlocr = edp->npanxxlocl;
ep->stater = edp->statel;
ep->countyr = edp->countyl;
ep->ctbnar = edp->ctbnal;
ep->blkr = edp->blkl;
ep->blksr = edp->blksl;
} else {
ep->zipr = edp->zipr;
ep->npanxxlocr = edp->npanxxlocr;
ep->stater = edp->stater;
ep->countyr = edp->countyr;
ep->ctbnar = edp->ctbnar;
ep->blkr = edp->blkr;
ep->blksr = edp->blksr;
}
}
return ep;
}
ep->onesided = edp->onesided;
ep->v0p = ep->v1p = NULL;
if (!(ep->sp = createstring (name)))
goto abortcreateedge;
ep->cfccid = edp->cfccid;
ep->zipl = edp->zipl, ep->zipr = edp->zipr;
ep->npanxxlocl = edp->npanxxlocl, ep->npanxxlocr = edp->npanxxlocr;
ep->statel = edp->statel, ep->stater = edp->stater;
ep->countyl = edp->countyl, ep->countyr = edp->countyr;
ep->ctbnal = edp->ctbnal, ep->ctbnar = edp->ctbnar;
ep->blkl = edp->blkl, ep->blkr = edp->blkr;
ep->blksl = edp->blksl, ep->blksr = edp->blksr;
if (
!(v0p = createvertex (edp->xy0)) || !(v1p = createvertex (edp->xy1)) ||
linkedgenvertices (ep, v0p, v1p) == -1
)
goto abortcreateedge;
ep->p0p = ep->p1p = NULL;
ep->p0i = ep->p1i = -1;
ep->xys = NULL;
ep->xyn = 0;
ep->mark = 0;
return ep;
abortcreateedge:
SUwarning (1, "createedge", "create failed for edge %d", edp->tlid);
if (ep) {
if (ep == ememp)
dtdelete (edgedict, ep);
if (ep->sp)
destroystring (ep->sp);
if (ep->v0p || ep->v1p)
unlinkedgenvertices (ep);
if (ep->v0p)
destroyvertex (ep->v0p);
if (ep->v1p)
destroyvertex (ep->v1p);
}
if (ememp)
vmfree (evm, ememp);
return NULL;
}
