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add method to repair child masks after adding randomly placed voxels

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This commit is contained in:
Stephen Birarda 2013-03-22 18:19:37 -07:00
parent c641f12693
commit f435a09673
2 changed files with 26 additions and 0 deletions
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25
shared/src/VoxelTree.cpp
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@ -159,6 +159,31 @@ void VoxelTree::readCodeColorBufferToTree(unsigned char *codeColorBuffer) {
// give this node its color
memcpy(lastCreatedNode->color, codeColorBuffer + octalCodeBytes, 3);
lastCreatedNode->color[3] = 1;
repairChildMasks(rootNode);
}
int VoxelTree::repairChildMasks(VoxelNode *currentNode) {
currentNode->childMask = 0;
int grandChildren = 0;
int thisNodeGrandChildren = 0;
for (int i = 0; i < 8; i++) {
if (currentNode->children[i] != NULL) {
thisNodeGrandChildren = repairChildMasks(currentNode->children[i]);
if (thisNodeGrandChildren > 0) {
currentNode->childMask += (1 << (7 - i));
}
thisNodeGrandChildren += grandChildren;
}
}
return grandChildren;
}
unsigned char * VoxelTree::loadBitstreamBuffer(unsigned char *& bitstreamBuffer,

1
shared/src/VoxelTree.h
View file

@ -29,6 +29,7 @@ public:
int levelForViewerPosition(float * position);
void readBitstreamToTree(unsigned char * bitstream, int bufferSizeBytes);
void readCodeColorBufferToTree(unsigned char *codeColorBuffer);
int repairChildMasks(VoxelNode *currentNode);
unsigned char * loadBitstreamBuffer(unsigned char *& bitstreamBuffer,
unsigned char * octalCode,
VoxelNode *currentVoxelNode,