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Working version of mesh decimation code which acts directly on vertex/index buffers.

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Also initial work on a 'dynamic' mesh for simplification... but this probably won't be needed now.
This commit is contained in:
David Williams
2010-02-02 23:18:17 +00:00
parent 5c8dd011e7
commit 89c48cdc27
16 changed files with 1445 additions and 24 deletions
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15
library/PolyVoxCore/source/SurfaceExtractor.cpp
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@ -623,7 +623,10 @@ namespace PolyVox
const Vector3DFloat v3dNormal(v000 > v100 ? 1.0f : -1.0f,0.0,0.0);
const uint8_t uMaterial = v000 | v100; //Because one of these is 0, the or operation takes the max.
SurfaceVertex surfaceVertex(v3dPosition, v3dNormal, uMaterial);
surfaceVertex.setEdgeVertex(isXEdge || isYEdge || isZEdge);
//surfaceVertex.setOnGeometryEdge(isXEdge || isYEdge || isZEdge);
surfaceVertex.setOnGeometryEdgeX(isXEdge);
surfaceVertex.setOnGeometryEdgeY(isYEdge);
surfaceVertex.setOnGeometryEdgeZ(isZEdge);
uint32_t uLastVertexIndex = m_ispCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesX[getIndex(uXVolSpace - m_regInputCropped.getLowerCorner().getX(),uYVolSpace - m_regInputCropped.getLowerCorner().getY())] = uLastVertexIndex;
}
@ -635,7 +638,10 @@ namespace PolyVox
const Vector3DFloat v3dNormal(0.0,v000 > v010 ? 1.0f : -1.0f,0.0);
const uint8_t uMaterial = v000 | v010; //Because one of these is 0, the or operation takes the max.
SurfaceVertex surfaceVertex(v3dPosition, v3dNormal, uMaterial);
surfaceVertex.setEdgeVertex(isXEdge || isYEdge || isZEdge);
//surfaceVertex.setOnGeometryEdge(isXEdge || isYEdge || isZEdge);
surfaceVertex.setOnGeometryEdgeX(isXEdge);
surfaceVertex.setOnGeometryEdgeY(isYEdge);
surfaceVertex.setOnGeometryEdgeZ(isZEdge);
uint32_t uLastVertexIndex = m_ispCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesY[getIndex(uXVolSpace - m_regInputCropped.getLowerCorner().getX(),uYVolSpace - m_regInputCropped.getLowerCorner().getY())] = uLastVertexIndex;
}
@ -647,7 +653,10 @@ namespace PolyVox
const Vector3DFloat v3dNormal(0.0,0.0,v000 > v001 ? 1.0f : -1.0f);
const uint8_t uMaterial = v000 | v001; //Because one of these is 0, the or operation takes the max.
SurfaceVertex surfaceVertex(v3dPosition, v3dNormal, uMaterial);
surfaceVertex.setEdgeVertex(isXEdge || isYEdge || isZEdge);
//surfaceVertex.setOnGeometryEdge(isXEdge || isYEdge || isZEdge);
surfaceVertex.setOnGeometryEdgeX(isXEdge);
surfaceVertex.setOnGeometryEdgeY(isYEdge);
surfaceVertex.setOnGeometryEdgeZ(isZEdge);
uint32_t uLastVertexIndex = m_ispCurrent->addVertex(surfaceVertex);
m_pCurrentVertexIndicesZ[getIndex(uXVolSpace - m_regInputCropped.getLowerCorner().getX(),uYVolSpace - m_regInputCropped.getLowerCorner().getY())] = uLastVertexIndex;
}