void OctreeElement::calculateAACube() {
// copy corner into cube
glm::vec3 corner;
copyFirstVertexForCode(getOctalCode(), (float*)&corner);
// this tells you the "size" of the voxel
float voxelScale = (float)TREE_SCALE / powf(2.0f, numberOfThreeBitSectionsInCode(getOctalCode()));
corner *= (float)TREE_SCALE;
_cube.setBox(corner, voxelScale);
}
OctreeElement* OctreeElement::addChildAtIndex(int childIndex) {
OctreeElement* childAt = getChildAtIndex(childIndex);
if (!childAt) {
// before adding a child, see if we're currently a leaf
if (isLeaf()) {
_voxelNodeLeafCount--;
}
unsigned char* newChildCode = childOctalCode(getOctalCode(), childIndex);
childAt = createNewElement(newChildCode);
setChildAtIndex(childIndex, childAt);
_isDirty = true;
markWithChangedTime();
}
return childAt;
}
void OctreeElement::printDebugDetails(const char* label) const {
unsigned char childBits = 0;
for (int i = 0; i < NUMBER_OF_CHILDREN; i++) {
OctreeElement* childAt = getChildAtIndex(i);
if (childAt) {
setAtBit(childBits,i);
}
}
QDebug elementDebug = qDebug().nospace();
QString resultString;
resultString.sprintf("%s - Voxel at corner=(%f,%f,%f) size=%f\n isLeaf=%s isDirty=%s shouldRender=%s\n children=", label,
(double)_cube.getCorner().x, (double)_cube.getCorner().y, (double)_cube.getCorner().z,
(double)_cube.getScale(),
debug::valueOf(isLeaf()), debug::valueOf(isDirty()), debug::valueOf(getShouldRender()));
elementDebug << resultString;
outputBits(childBits, &elementDebug);
qDebug("octalCode=");
printOctalCode(getOctalCode());
}
OctreeElement::~OctreeElement() {
notifyDeleteHooks();
_voxelNodeCount--;
if (isLeaf()) {
_voxelNodeLeafCount--;
}
if (_octcodePointer) {
_octcodeMemoryUsage -= bytesRequiredForCodeLength(numberOfThreeBitSectionsInCode(getOctalCode()));
delete[] _octalCode.pointer;
}
// delete all of this node's children, this also takes care of all population tracking data
deleteAllChildren();
}
OctreeElement::~OctreeElement() {
// We can't call notifyDeleteHooks from here:
// notifyDeleteHooks();
// see comment in EntityTreeElement::createNewElement.
assert(_deleteHooksNotified);
_voxelNodeCount--;
if (isLeaf()) {
_voxelNodeLeafCount--;
}
if (_octcodePointer) {
_octcodeMemoryUsage -= bytesRequiredForCodeLength(numberOfThreeBitSectionsInCode(getOctalCode()));
delete[] _octalCode.pointer;
}
// delete all of this node's children, this also takes care of all population tracking data
deleteAllChildren();
}