struct MaterialEditMirror {
float reflectivity;
+ int plane;
};
struct MaterialEdit {
static bool once;
if(!once) {
float x = ImGui::GetColumnOffset(1);
- ImGui::SetColumnOffset(1, x * 1.7);
+ ImGui::SetColumnOffset(1, x * 1.55);
once = true;
}
}
res.splice(res.end(), tmp);
}
}
- return std::move(res);
+ return res; // hopefully it'll be moved
}
Scene *MetaScene::extract_nodes(const char *qstr)
const Mesh *mesh = ((ObjMesh*)obj)->mesh;
if(!mesh) continue;
- // assume the object is actually flat, so grab the first triangle and make a plane
- Triangle face = Triangle(0, (const Vec3*)mesh->get_attrib_data(MESH_ATTR_VERTEX),
- mesh->get_index_data());
- face.calc_normal();
-
FlatMirror *mir = new FlatMirror;
- mir->plane.pt = face.v[0];
- mir->plane.normal = face.normal;
mir->reflect = obj->mtl.reflect;
+ mir->node = obj->node;
+
+ if(obj->mtl.flat_mirror == MTL_MIRROR_AUTO) {
+ // grab the first triangle and make a plane
+ Triangle face = Triangle(0, (const Vec3*)mesh->get_attrib_data(MESH_ATTR_VERTEX),
+ mesh->get_index_data());
+ face.calc_normal();
+
+ mir->plane.pt = face.v[0];
+ mir->plane.normal = face.normal;
+ } else {
+ int plane_idx = obj->mtl.flat_mirror - MTL_MIRROR_AABB_PX;
+ mir->plane = obj->get_aabox().get_plane(plane_idx);
+ }
+
+ mir->wplane = mir->plane;
+ if(obj->node) {
+ const Mat4 &xform = obj->node->get_matrix();
+ mir->wplane.pt = xform * mir->wplane.pt;
+ mir->wplane.normal = normalize(xform.upper3x3() * mir->wplane.normal);
+ }
// check to see if we have found this mirror plane already
bool found = false;
FlatMirror *node = mirrors;
while(node) {
- if(fabs(dot(mir->plane.normal, node->plane.normal)) < 1e-4 &&
- fabs(dot(mir->plane.normal, normalize(mir->plane.pt - node->plane.pt))) < 1e-4) {
+ float d1 = dot(mir->wplane.normal, mir->wplane.pt);
+ float d2 = dot(node->wplane.normal, node->wplane.pt);
+
+ if(1.0f - dot(mir->wplane.normal, node->wplane.normal) < 1e-4f &&
+ fabs(d1 - d2) < 1e-4) {
found = true;
break;
}
+ node = node->next;
}
+ debug_log("[%s@%s] mirror plane: local(%g %g %g %g), world(%g %g %g %g)%s\n",
+ obj->get_name(), obj->node ? obj->node->get_name() : "<no-node>",
+ mir->plane.normal.x, mir->plane.normal.y, mir->plane.normal.z,
+ dot(mir->plane.normal, mir->plane.pt), mir->wplane.normal.x, mir->wplane.normal.y,
+ mir->wplane.normal.z, dot(mir->wplane.normal, mir->wplane.pt), found ? " duplicate" : "");
+
if(!found) {
mir->next = mirrors;
mirrors = mir;
+ mir->objects.push_back(obj);
objmirror[obj] = mir; // associate with object
++num_mirrors;
} else {
+ node->objects.push_back(obj);
delete mir;
}
}
if(strcmp(cn->name, "mirror") == 0) {
// make this object a flat mirror (hopefully the object is flat otherwise this won't work)
float refl = 1.0f;
+ int plane = MTL_MIRROR_AUTO;
+
+ struct ts_attr *aplane = ts_get_attr(cn, "plane");
+ if(aplane) {
+ if(aplane->val.type == TS_NUMBER) {
+ plane = MTL_MIRROR_AABB_PX + aplane->val.inum;
+ } else {
+ char csign, caxis;
+ if(sscanf(aplane->val.str, "aabb%c%c", &csign, &caxis) != 2 || (csign != '+' && csign != '-')) {
+ error_log("invalid reflect plane specifier: %s\n", aplane->val.str);
+ continue;
+ }
+
+ switch(tolower(caxis)) {
+ case 'x':
+ plane = csign == '+' ? MTL_MIRROR_AABB_PX : MTL_MIRROR_AABB_NX;
+ break;
+ case 'y':
+ plane = csign == '+' ? MTL_MIRROR_AABB_PY : MTL_MIRROR_AABB_NY;
+ break;
+ case 'z':
+ plane = csign == '+' ? MTL_MIRROR_AABB_PZ : MTL_MIRROR_AABB_NZ;
+ break;
+ default:
+ error_log("invalid reflect plane specifier: %s\n", aplane->val.str);
+ continue;
+ }
+ }
+ }
struct ts_attr *arefl = ts_get_attr(cn, "reflect");
if(arefl) {
med->type = MTL_EDIT_MIRROR;
med->mirror.reflectivity = refl;
+ med->mirror.plane = plane;
break;
}
}
break;
case MTL_EDIT_MIRROR:
- mtl->flat_mirror = med.mirror.reflectivity > 1e-6;
+ mtl->flat_mirror = med.mirror.plane;
mtl->reflect = med.mirror.reflectivity;
break;
}