int cliptest_bbox(bbox_t bbox)
{
bboxf_t bv;
bv[0] = (float)bbox[0];
bv[1] = (float)bbox[1];
bv[2] = (float)bbox[2];
bv[3] = (float)bbox[3];
bv[4] = (float)bbox[4];
bv[5] = (float)bbox[5];
return cliptest_bboxf(bv);
}
int cliptest(Bounds bb)
{
bboxf_t bv;
bv[0] = bb.max.x;
bv[1] = bb.max.y;
bv[2] = bb.max.z;
bv[3] = bb.min.x;
bv[4] = bb.min.y;
bv[5] = bb.min.z;
return cliptest_bboxf(bv);
}
static int
cliptest_bbox(r_context_t *c, bbox_t bbox)
{
bboxf_t bv;
bv[0] = (float)bbox[0];
bv[1] = (float)bbox[1];
bv[2] = (float)bbox[2];
bv[3] = (float)bbox[3];
bv[4] = (float)bbox[4];
bv[5] = (float)bbox[5];
return cliptest_bboxf(c, bv);
}
static void
render_walk_face(r_context_t *c, int n)
{
face_t *face = &(g->r_faces[n]);
/* Check if face is already included in the facelist */
if (c->r_faceinc[n]) return;
c->r_faceinc[n] = 1;
if (face->facetype == FACETYPE_NORMAL)
{
/* Face plane culling */
/* FIXME: This simple test is clearly not sufficient.
Q3A gets a lot more culling at this point. */
/* Ignore this test for the time being
if (vec_dot(face->v_norm, g->r_movedir) > cos_fov)
return;
*/
}
else if (face->facetype == FACETYPE_MESH)
{
/* Check bounding box for meshes */
if (!cliptest_bboxf(c, face->bbox))
return;
}
/* Check for sky flag */
if (g->r_shaders[face->shader].flags & SHADER_SKY)
{
/* Push to sky list */
c->skylist[c->numsky++] = n;
}
/* Check for transparent */
else if (g->r_shaders[face->shader].flags & SHADER_TRANSPARENT)
{
c->translist.faces[c->translist.numfaces].face = n;
c->translist.faces[c->translist.numfaces++].sortkey = SORTKEY(face);
}
/* Normal face */
else
{
/* Push face to facelist */
c->facelist.faces[c->facelist.numfaces].face = n;
c->facelist.faces[c->facelist.numfaces++].sortkey = SORTKEY(face);
}
}
