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);
}
}
}
}
}
}
@Override
public String toString() {
return "MeshVertex : "
+ getClass().getName()
+ "@0x"
+ Integer.toHexString(hashCode())
+ ":: smGroup = "
+ smGroup
+ "\n"
+ "\tnorm[0] = "
+ norm[0]
+ "\n"
+ "\tnorm[1] = "
+ norm[1]
+ "\n"
+ "\tnorm[2] = "
+ norm[2]
+ "\n"
+ "\ttIndex = "
+ tVert
+ ", fIndex = "
+ fIdx
+ "\n"
+ "\tpIdx = "
+ index
+ "\n"
+ "\tnext = "
+ ((next == null)
? next
: next.getClass().getName() + "@0x" + Integer.toHexString(next.hashCode()))
+ "\n";
}
/*
* Check for normals in one smoothing group and remove points from the group
* if they are opposite looking in order to prevent a normal to be zero in
* one SM group. Opposite looking normals are normals which angle is more
* than 110 degrees.
*/
static void correctSmNormals(MeshVertex n) {
// remove opposite looking normals from one smoothing group
for (MeshVertex l = n; l != null; l = l.next) {
if (l.smGroup != 0) {
for (MeshVertex i = l.next; i != null; i = i.next) {
if (((i.smGroup & l.smGroup) != 0) && MeshUtil.isOppositeLookingNormals(i.norm, l.norm)) {
l.smGroup = 0;
i.smGroup = 0;
break;
}
}
}
}
}
static void mergeSmIndexes(MeshVertex n) {
for (MeshVertex l = n; l != null; ) {
boolean change = false;
for (MeshVertex i = l.next; i != null; i = i.next) {
if (((l.smGroup & i.smGroup) != 0) && (l.smGroup != i.smGroup)) {
l.smGroup = i.smGroup | l.smGroup;
i.smGroup = l.smGroup;
change = true;
}
}
if (!change) {
l = l.next;
}
}
}
/*
* Weld points, assign new indexes and calculate new TB
* return current number of points (last index +1)
*/
static int weldWithTB(MeshVertex v, int index) {
Vec3f[] nSum = MeshTempState.getInstance().triNormals;
for (; v != null; v = v.next) {
if (v.index < 0) {
int nuLocal = 0;
for (int i = 0; i < 3; i++) {
nSum[i].set(v.norm[i]);
}
for (MeshVertex i = v.next; i != null; i = i.next) {
if (i.index < 0) {
if (okToWeldVertsTB(v, i)) {
i.index = IDX_UNITE;
nuLocal++;
for (int j = 0; j < 3; ++j) {
nSum[j].add(i.norm[j]);
}
}
}
}
if (nuLocal != 0) {
if (MeshUtil.isTangentOK(nSum)) {
MeshUtil.fixTSpace(nSum);
v.index = index;
for (int i = 0; i < 3; ++i) {
v.norm[i].set(nSum[i]);
}
for (MeshVertex i = v.next; i != null; i = i.next) {
if (i.index == IDX_UNITE) {
i.index = index;
i.norm[0].set(0, 0, 0);
}
}
} else {
// roll all back, unite failed
nuLocal = 0;
}
}
if (nuLocal == 0) {
// nothing to join, fix in-place
MeshUtil.fixTSpace(v.norm);
v.index = index;
}
index++;
}
}
return index;
}