static void avgSmNormals(MeshVertex v) {
Vec3f normalSum = MeshTempState.getInstance().vec3f1;
for (; v != null; v = v.next) {
if (v.index == IDX_UNDEFINED) {
normalSum.set(v.norm[0]);
int sm = v.smGroup;
for (MeshVertex i = v.next; i != null; i = i.next) {
if (i.smGroup == sm) {
assert (i.index == IDX_UNDEFINED);
i.index = IDX_SET_SMOOTH;
normalSum.add(i.norm[0]);
}
}
if (MeshUtil.isNormalOkAfterWeld(normalSum)) {
normalSum.normalize();
for (MeshVertex i = v; i != null; i = i.next) {
if (i.smGroup == sm) {
i.norm[0].set(normalSum);
}
}
}
}
}
}
static int processVertices(
MeshVertex[] pVerts, int nVertex, boolean allHardEdges, boolean allSameSmoothing) {
int nNewVerts = 0;
Vec3f normalSum = MeshTempState.getInstance().vec3f1;
for (int i = 0; i < nVertex; ++i) {
if (pVerts[i] != null) {
if (!allHardEdges) {
if (allSameSmoothing) {
// calculate average normal for one smoothing group
normalSum.set(pVerts[i].norm[0]);
for (MeshVertex v = pVerts[i].next; v != null; v = v.next) {
normalSum.add(v.norm[0]);
}
if (MeshUtil.isNormalOkAfterWeld(normalSum)) {
normalSum.normalize();
for (MeshVertex v = pVerts[i]; v != null; v = v.next) {
v.norm[0].set(normalSum);
}
}
} else {
// various Sm
mergeSmIndexes(pVerts[i]);
avgSmNormals(pVerts[i]);
}
}
// weld points based on texture and assign new indexes
nNewVerts = weldWithTB(pVerts[i], nNewVerts);
}
}
return nNewVerts;
}