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Refactoring VolumeChangeTracker

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This commit is contained in:
David Williams 2008-05-25 19:55:34 +00:00
parent b7e9216355
commit 7a4e4556b1
2 changed files with 40 additions and 18 deletions
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4
include/VolumeChangeTracker.h
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@ -55,6 +55,7 @@ namespace PolyVox
void setNormalGenerationMethod(NormalGenerationMethod method);
std::list<RegionGeometry> getChangedRegionGeometry(void);
void getChangedRegions(std::list<Region>& listToFill);
void setAllUpToDateFlagsTo(bool newUpToDateValue);
@ -68,7 +69,8 @@ namespace PolyVox
public:
void markRegionChanged(boost::uint16_t firstX, boost::uint16_t firstY, boost::uint16_t firstZ, boost::uint16_t lastX, boost::uint16_t lastY, boost::uint16_t lastZ);
void setVoxelAt(boost::uint16_t x, boost::uint16_t y, boost::uint16_t z, boost::uint8_t value);
void setLockedVoxelAt(boost::uint16_t x, boost::uint16_t y, boost::uint16_t z, boost::uint8_t value);
void setUnlockedVoxelAt(boost::uint16_t x, boost::uint16_t y, boost::uint16_t z, boost::uint8_t value);

54
source/VolumeChangeTracker.cpp
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@ -57,7 +57,34 @@ namespace PolyVox
std::list<RegionGeometry> VolumeChangeTracker::getChangedRegionGeometry(void)
{
std::list<Region> listChangedRegions;
getChangedRegions(listChangedRegions);
std::list<RegionGeometry> listChangedRegionGeometry;
for(std::list<Region>::const_iterator iterChangedRegions = listChangedRegions.begin(); iterChangedRegions != listChangedRegions.end(); ++iterChangedRegions)
{
//Generate the surface
RegionGeometry regionGeometry;
regionGeometry.m_patchSingleMaterial = new IndexedSurfacePatch(false);
regionGeometry.m_patchMultiMaterial = new IndexedSurfacePatch(true);
regionGeometry.m_v3dRegionPosition = iterChangedRegions->getLowerCorner();
generateRoughMeshDataForRegion(volumeData, *iterChangedRegions, regionGeometry.m_patchSingleMaterial, regionGeometry.m_patchMultiMaterial);
regionGeometry.m_bContainsSingleMaterialPatch = regionGeometry.m_patchSingleMaterial->getVertices().size() > 0;
regionGeometry.m_bContainsMultiMaterialPatch = regionGeometry.m_patchMultiMaterial->getVertices().size() > 0;
regionGeometry.m_bIsEmpty = ((regionGeometry.m_patchSingleMaterial->getVertices().size() == 0) && (regionGeometry.m_patchMultiMaterial->getIndices().size() == 0));
listChangedRegionGeometry.push_back(regionGeometry);
}
return listChangedRegionGeometry;
}
void VolumeChangeTracker::getChangedRegions(std::list<Region>& listToFill)
{
//Clear the list
listToFill.clear();
//Regenerate meshes.
for(uint16_t regionZ = 0; regionZ < POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS; ++regionZ)
@ -69,15 +96,8 @@ namespace PolyVox
for(uint16_t regionX = 0; regionX < POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS; ++regionX)
//for(uint16_t regionX = 3; regionX < 4; ++regionX)
{
//if(surfaceUpToDate[regionX][regionY][regionZ] == false)
if(volSurfaceUpToDate->getVoxelAt(regionX, regionY, regionZ) == false)
{
//Generate the surface
RegionGeometry regionGeometry;
regionGeometry.m_patchSingleMaterial = new IndexedSurfacePatch(false);
regionGeometry.m_patchMultiMaterial = new IndexedSurfacePatch(true);
regionGeometry.m_v3dRegionPosition = Vector3DInt32(regionX, regionY, regionZ);
const uint16_t firstX = regionX * POLYVOX_REGION_SIDE_LENGTH;
const uint16_t firstY = regionY * POLYVOX_REGION_SIDE_LENGTH;
const uint16_t firstZ = regionZ * POLYVOX_REGION_SIDE_LENGTH;
@ -85,19 +105,11 @@ namespace PolyVox
const uint16_t lastY = firstY + POLYVOX_REGION_SIDE_LENGTH-1;
const uint16_t lastZ = firstZ + POLYVOX_REGION_SIDE_LENGTH-1;
generateRoughMeshDataForRegion(volumeData, Region(Vector3DInt32(firstX, firstY, firstZ), Vector3DInt32(lastX, lastY, lastZ)), regionGeometry.m_patchSingleMaterial, regionGeometry.m_patchMultiMaterial);
regionGeometry.m_bContainsSingleMaterialPatch = regionGeometry.m_patchSingleMaterial->getVertices().size() > 0;
regionGeometry.m_bContainsMultiMaterialPatch = regionGeometry.m_patchMultiMaterial->getVertices().size() > 0;
regionGeometry.m_bIsEmpty = ((regionGeometry.m_patchSingleMaterial->getVertices().size() == 0) && (regionGeometry.m_patchMultiMaterial->getIndices().size() == 0));
listChangedRegionGeometry.push_back(regionGeometry);
listToFill.push_back(Region(Vector3DInt32(firstX, firstY, firstZ), Vector3DInt32(lastX, lastY, lastZ)));
}
}
}
}
return listChangedRegionGeometry;
}
void VolumeChangeTracker::setAllUpToDateFlagsTo(bool newUpToDateValue)
@ -168,7 +180,7 @@ namespace PolyVox
return volumeData;
}
void VolumeChangeTracker::setVoxelAt(boost::uint16_t x, boost::uint16_t y, boost::uint16_t z, boost::uint8_t value)
void VolumeChangeTracker::setUnlockedVoxelAt(boost::uint16_t x, boost::uint16_t y, boost::uint16_t z, boost::uint8_t value)
{
//FIXME - rather than creating a iterator each time we should have one stored
VolumeIterator<boost::uint8_t> iterVol(*volumeData);
@ -211,4 +223,12 @@ namespace PolyVox
}
}
}
void VolumeChangeTracker::setLockedVoxelAt(boost::uint16_t x, boost::uint16_t y, boost::uint16_t z, boost::uint8_t value)
{
//FIXME - rather than creating a iterator each time we should have one stored
VolumeIterator<boost::uint8_t> iterVol(*volumeData);
iterVol.setPosition(x,y,z);
iterVol.setVoxel(value);
}
}