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feat(geometrySpreadsheet): read attributes from geometry

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parker
2025-08-10 02:01:28 +01:00
parent 898291e39e
commit add55e720f
7 changed files with 145 additions and 5 deletions
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12
src/Engine/Operator/Geometry.h
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@@ -4,6 +4,7 @@
#include <CGAL/Surface_mesh/Surface_mesh.h>
#include <CGAL/Simple_cartesian.h>
#include "Engine/Operator/AttributeHandle.h"
#include <memory>
#include <variant>
@@ -19,6 +20,8 @@ using faceDescriptor = HeMesh::Face_index;
using V_index = HeMesh::Vertex_index;
using F_index = HeMesh::Face_index;
using attributeIterator = std::vector<std::shared_ptr<ga::Attribute>>::iterator;
class Geometry
{
public:
@@ -29,6 +32,12 @@ public:
ga::AttributeHandle<bt::Vector3> addVector3Attribute(ga::AttributeOwner owner, std::string name);
// TODO: return weak ptr
std::shared_ptr<ga::Attribute> getAttribByName(ga::AttributeOwner owner, std::string name);
const size_t getNumAttributes(const ga::AttributeOwner owner) const;
std::weak_ptr<const ga::Attribute> getAttributeByIndex(ga::AttributeOwner owner, unsigned int index) const;
// attributeIterator attributesBegin(const ga::AttributeOwner owner);
// attributeIterator attributesEnd(const ga::AttributeOwner owner);
std::vector<bt::Vector3> derivePointNormals();
HeMesh computeHalfEdgeMesh();
void addFace(std::vector<ga::Offset> pointOffsets, bool closed=true);
@@ -53,7 +62,8 @@ public:
void computePrimStartVertices();
private:
using attribVector = std::vector<std::shared_ptr<ga::Attribute>>;
attribVector& getAttributeStore(ga::AttributeOwner& owner);
geo::Geometry::attribVector& getAttributeStore(const ga::AttributeOwner& owner);
const geo::Geometry::attribVector& getAttributeStore(const ga::AttributeOwner& owner) const;
attribVector deepCopyAttributes(attribVector source);