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Cleaning up decimation.

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This commit is contained in:
David Williams 2007-09-25 00:09:03 +00:00
parent c79845f6fd
commit e129b0a12c
4 changed files with 81 additions and 62 deletions
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25
include/SurfaceEdge.h
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@ -43,11 +43,7 @@ namespace Ogre
SurfaceTriangleIterator triangle;
SurfaceEdgeIterator previousHalfEdge;
SurfaceEdgeIterator nextHalfEdge;
SurfaceEdgeIterator otherHalfEdge;
//FIXME - could use boost::optional for this?
@ -55,19 +51,24 @@ namespace Ogre
bool isDegenerate(void);
const SurfaceVertexIterator& getTarget(void)
{
return target;
}
const SurfaceVertexIterator& getTarget(void);
const SurfaceVertexIterator& getSource(void);
const SurfaceEdgeIterator& getOtherHalfEdge(void);
const SurfaceEdgeIterator& getPreviousHalfEdge(void);
const SurfaceEdgeIterator& getNextHalfEdge(void);
const SurfaceVertexIterator& getSource(void)
{
return source;
}
void setPreviousHalfEdge(const SurfaceEdgeIterator& previousHalfEdgeToSet);
void setNextHalfEdge(const SurfaceEdgeIterator& nextHalfEdgeToSet);
void pairWithOtherHalfEdge(const SurfaceEdgeIterator& otherHalfEdgeToPair);
private:
SurfaceVertexIterator target;
SurfaceVertexIterator source;
SurfaceEdgeIterator previousHalfEdge;
SurfaceEdgeIterator nextHalfEdge;
SurfaceEdgeIterator otherHalfEdge;
};
}

4
source/PolyVoxSceneManager.cpp
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@ -324,10 +324,10 @@ namespace Ogre
for(uint regionZ = 0; regionZ < OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS; ++regionZ)
{
LogManager::getSingleton().logMessage("regionZ = " + StringConverter::toString(regionZ));
for(uint regionY = OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2-2; regionY < OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2+1; ++regionY)
for(uint regionY = OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2-1; regionY < OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2+1; ++regionY)
{
//LogManager::getSingleton().logMessage("regionY = " + StringConverter::toString(regionY));
for(uint regionX = OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2-2; regionX < OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2+1; ++regionX)
for(uint regionX = OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2-1; regionX < OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS/2+1; ++regionX)
{
//LogManager::getSingleton().logMessage("regionX = " + StringConverter::toString(regionX));
if(surfaceUpToDate[regionX][regionY][regionZ] == false)

42
source/SurfaceEdge.cpp
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@ -45,4 +45,46 @@ namespace Ogre
return false;
}
const SurfaceVertexIterator& SurfaceEdge::getTarget(void)
{
return target;
}
const SurfaceVertexIterator& SurfaceEdge::getSource(void)
{
return source;
}
void SurfaceEdge::pairWithOtherHalfEdge(const SurfaceEdgeIterator& otherHalfEdgeToPair)
{
otherHalfEdge = otherHalfEdgeToPair;
previousHalfEdge = otherHalfEdgeToPair;
nextHalfEdge = otherHalfEdgeToPair;
}
const SurfaceEdgeIterator& SurfaceEdge::getOtherHalfEdge(void)
{
return otherHalfEdge;
}
const SurfaceEdgeIterator& SurfaceEdge::getPreviousHalfEdge(void)
{
return previousHalfEdge;
}
const SurfaceEdgeIterator& SurfaceEdge::getNextHalfEdge(void)
{
return nextHalfEdge;
}
void SurfaceEdge::setPreviousHalfEdge(const SurfaceEdgeIterator& previousHalfEdgeToSet)
{
previousHalfEdge = previousHalfEdgeToSet;
}
void SurfaceEdge::setNextHalfEdge(const SurfaceEdgeIterator& nextHalfEdgeToSet)
{
nextHalfEdge = nextHalfEdgeToSet;
}
}

72
source/SurfacePatch.cpp
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@ -77,13 +77,13 @@ namespace Ogre
v1Iter->setEdge(v1v2Iter);
v2Iter->setEdge(v2v0Iter);
v0v1Iter->nextHalfEdge = v1v2Iter;
v1v2Iter->nextHalfEdge = v2v0Iter;
v2v0Iter->nextHalfEdge = v0v1Iter;
v0v1Iter->setNextHalfEdge(v1v2Iter);
v1v2Iter->setNextHalfEdge(v2v0Iter);
v2v0Iter->setNextHalfEdge(v0v1Iter);
v0v1Iter->previousHalfEdge = v2v0Iter;
v1v2Iter->previousHalfEdge = v0v1Iter;
v2v0Iter->previousHalfEdge = v1v2Iter;
v0v1Iter->setPreviousHalfEdge(v2v0Iter);
v1v2Iter->setPreviousHalfEdge(v0v1Iter);
v2v0Iter->setPreviousHalfEdge(v1v2Iter);
SurfaceTriangle triangle;
@ -137,45 +137,21 @@ namespace Ogre
SurfaceEdgeIterator SurfacePatch::findOrAddEdge(const SurfaceVertexIterator& source, const SurfaceVertexIterator& target)
{
/*for(SurfaceEdgeIterator edgeIter = m_listEdges.begin(); edgeIter != m_listEdges.end(); ++edgeIter)
{
if((edgeIter->target == target) && (edgeIter->source == source))
{
return edgeIter;
}
}*/
SurfaceEdge edgeToFind(target, source);
SurfaceEdgeIterator foundEdgeIter = m_listEdges.find(edgeToFind);
if(foundEdgeIter != m_listEdges.end())
{
return foundEdgeIter;
}
//Not found - add it.
SurfaceEdge edge(target,source);
std::pair<SurfaceEdgeIterator, bool> insertionResult = m_listEdges.insert(edge);
if(insertionResult.second == false)
{
//Edge was already in there, so other edge is too.
return insertionResult.first;
}
SurfaceEdgeIterator edgeIter = insertionResult.first;
SurfaceEdge otherEdge(source, target);
/*m_listEdges.push_back(edge);
SurfaceEdgeIterator edgeIter = m_listEdges.end();
edgeIter--;*/
SurfaceEdgeIterator edgeIter = m_listEdges.insert(edge).first;
/*m_listEdges.push_back(otherEdge);
SurfaceEdgeIterator otherEdgeIter = m_listEdges.end();
otherEdgeIter--;*/
SurfaceEdgeIterator otherEdgeIter = m_listEdges.insert(otherEdge).first;
edgeIter->otherHalfEdge = otherEdgeIter;
edgeIter->nextHalfEdge = otherEdgeIter;
edgeIter->previousHalfEdge = otherEdgeIter;
otherEdgeIter->otherHalfEdge = edgeIter;
otherEdgeIter->nextHalfEdge = edgeIter;
otherEdgeIter->previousHalfEdge = edgeIter;
/*edgeIter->hasTriangle = false;
otherEdgeIter->hasTriangle = false;*/
edgeIter->pairWithOtherHalfEdge(otherEdgeIter);
otherEdgeIter->pairWithOtherHalfEdge(edgeIter);
return edgeIter;
}
@ -291,12 +267,12 @@ namespace Ogre
//LogManager::getSingleton().logMessage(" " + StringConverter::toString(iterVertex->getPosition().x) + "," + StringConverter::toString(iterVertex->getPosition().y) + "," + StringConverter::toString(iterVertex->getPosition().z));
indexData.push_back(iterVertex - vertexData.begin());
edgeIter = edgeIter->nextHalfEdge;
edgeIter = edgeIter->getNextHalfEdge();
iterVertex = find(vertexData.begin(), vertexData.end(), *(edgeIter->getTarget()));
//LogManager::getSingleton().logMessage(" " + StringConverter::toString(iterVertex->getPosition().x) + "," + StringConverter::toString(iterVertex->getPosition().y) + "," + StringConverter::toString(iterVertex->getPosition().z));
indexData.push_back(iterVertex - vertexData.begin());
edgeIter = edgeIter->nextHalfEdge;
edgeIter = edgeIter->getNextHalfEdge();
iterVertex = find(vertexData.begin(), vertexData.end(), *(edgeIter->getTarget()));
//LogManager::getSingleton().logMessage(" " + StringConverter::toString(iterVertex->getPosition().x) + "," + StringConverter::toString(iterVertex->getPosition().y) + "," + StringConverter::toString(iterVertex->getPosition().z));
indexData.push_back(iterVertex - vertexData.begin());
@ -373,7 +349,7 @@ namespace Ogre
result.push_back(nextEdge->getTarget());
previousEdge = nextEdge;
nextEdge = nextEdge->previousHalfEdge->otherHalfEdge;
nextEdge = nextEdge->getPreviousHalfEdge()->getOtherHalfEdge();
}while((nextEdge != firstEdge) && (nextEdge != previousEdge));
if(nextEdge == previousEdge)
@ -387,7 +363,7 @@ namespace Ogre
previousEdge = firstEdge;
previousEdge = nextEdge;
nextEdge = nextEdge->otherHalfEdge->nextHalfEdge;
nextEdge = nextEdge->getOtherHalfEdge()->getNextHalfEdge();
int ct2 = 0;
do
@ -403,7 +379,7 @@ namespace Ogre
result.push_front(nextEdge->getTarget());
previousEdge = nextEdge;
nextEdge = nextEdge->otherHalfEdge->nextHalfEdge;
nextEdge = nextEdge->getOtherHalfEdge()->getNextHalfEdge();
}while(nextEdge != previousEdge);
}
@ -456,9 +432,9 @@ namespace Ogre
{
LogManager::getSingleton().logMessage("Error - Failed to find");
}*/
SurfaceEdgeIterator otherEdgeToDelete = edgeToDelete->otherHalfEdge;
SurfaceEdgeIterator otherEdgeToDelete = edgeToDelete->getOtherHalfEdge();
if(edgeToDelete->nextHalfEdge != edgeToDelete->otherHalfEdge)
if(edgeToDelete->getNextHalfEdge() != edgeToDelete->getOtherHalfEdge())
{
m_listTriangles.erase(edgeToDelete->triangle);
}