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Initial LOD working.

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This commit is contained in:
David Williams 2008-07-07 21:20:30 +00:00
parent 0d3a215637
commit 8b98d69d4e
4 changed files with 29 additions and 3 deletions
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1
examples/OpenGL/CMakeLists.txt
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@ -16,7 +16,6 @@ SET(CMAKE_DEBUG_POSTFIX "_d")
SOURCE_GROUP("Sources" FILES ${SRC_FILES})
#SOURCE_GROUP("Headers" FILES ${INC_FILES})
FIND_PACKAGE(Boost REQUIRED)
FIND_PACKAGE(OpenGL REQUIRED)
IF (WIN32)

1
library/include/PolyVoxCore/BlockVolume.h
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@ -54,6 +54,7 @@ namespace PolyVox
bool containsPoint(const Vector3DInt32& pos, uint16 boundary) const;
BlockVolumeIterator<VoxelType> firstVoxel(void);
void idle(uint32 uAmount);
bool isRegionHomogenous(const Region& region);
BlockVolumeIterator<VoxelType> lastVoxel(void);
private:

23
library/include/PolyVoxCore/BlockVolume.inl
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@ -21,6 +21,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#pragma region Headers
#include "Block.h"
#include "BlockVolumeIterator.h"
#include "Region.h"
#include "Vector.h"
@ -204,6 +205,28 @@ namespace PolyVox
{
}
template <typename VoxelType>
bool BlockVolume<VoxelType>::isRegionHomogenous(const Region& region)
{
BlockVolumeIterator<VoxelType> iter(*this);
iter.setValidRegion(region);
iter.setPosition(static_cast<Vector3DInt16>(region.getLowerCorner()));
VoxelType tFirst = iter.getVoxel();
iter.moveForwardInRegionXYZ();
do
{
VoxelType tCurrent = iter.getVoxel();
if(tCurrent != tFirst)
{
return false;
}
}while(iter.moveForwardInRegionXYZ());
return true;
}
template <typename VoxelType>
BlockVolumeIterator<VoxelType> BlockVolume<VoxelType>::lastVoxel(void)
{

7
library/source/PolyVoxUtil/VolumeChangeTracker.cpp
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@ -56,8 +56,8 @@ namespace PolyVox
volRegionUpToDate = new LinearVolume<bool>(PolyVox::logBase2(POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS));
}
//Return changed regions - cropped to volume
void VolumeChangeTracker::getChangedRegions(std::list<Region>& listToFill) const
{
//Clear the list
@ -82,7 +82,10 @@ namespace PolyVox
const uint16 lastY = firstY + POLYVOX_REGION_SIDE_LENGTH;
const uint16 lastZ = firstZ + POLYVOX_REGION_SIDE_LENGTH;
listToFill.push_back(Region(Vector3DInt32(firstX, firstY, firstZ), Vector3DInt32(lastX, lastY, lastZ)));
Region region(Vector3DInt32(firstX, firstY, firstZ), Vector3DInt32(lastX, lastY, lastZ));
region.cropTo(volumeData->getEnclosingRegion());
listToFill.push_back(region);
}
}
}