ParkerBritt/Enzo
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feat: render open and closed faces/lines

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parker
2025-08-04 13:47:08 +01:00
parent c685e4b9bd
commit 05a2284773
11 changed files with 117 additions and 66 deletions
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35
src/OpDefs/GopGeometryImport.cpp
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@@ -40,14 +40,14 @@ void GopGeometryImport::cookOp(enzo::op::Context context)
}
auto PAttr = geo.getAttribByName(ga::AttrOwner::POINT, "P");
ga::AttributeHandleVector3 PAttrHandle(PAttr);
// auto PAttr = geo.getAttribByName(ga::AttrOwner::POINT, "P");
// ga::AttributeHandleVector3 PAttrHandle(PAttr);
auto pointAttr = geo.getAttribByName(ga::AttrOwner::VERTEX, "point");
ga::AttributeHandleInt pointAttrHandle(pointAttr);
// auto pointAttr = geo.getAttribByName(ga::AttrOwner::VERTEX, "point");
// ga::AttributeHandleInt pointAttrHandle(pointAttr);
auto vertexCountAttr = geo.getAttribByName(ga::AttrOwner::PRIMITIVE, "vertexCount");
ga::AttributeHandleInt vertexCountHandle(vertexCountAttr);
// auto vertexCountAttr = geo.getAttribByName(ga::AttrOwner::PRIMITIVE, "vertexCount");
// ga::AttributeHandleInt vertexCountHandle(vertexCountAttr);
std::ifstream file(filePath);
if(!file.is_open())
@@ -76,10 +76,12 @@ void GopGeometryImport::cookOp(enzo::op::Context context)
}
const bt::Vector3 pointPos = {std::stod(result[1]), std::stod(result[2]), std::stod(result[3])};
PAttrHandle.addValue(pointPos);
geo.addPoint(pointPos);
}
else if(firstChar=='f' || firstChar=='l')
{
bool closedFace = firstChar=='f';
std::vector<std::string> result;
boost::split(result, line, isspace);
if(result.size()<3)
@@ -88,16 +90,18 @@ void GopGeometryImport::cookOp(enzo::op::Context context)
}
ga::Offset numVerts = result.size()-1;
std::vector<ga::Offset> verts;
verts.reserve(numVerts);
// set vertex attributes
for(int i=1; i<result.size(); ++i)
for(int i=1; i<numVerts+1; ++i)
{
const int primNum = std::stoi(result[i]);
pointAttrHandle.addValue(primNum-1);
verts.push_back(std::stoi(result[i])-1);
}
// set face attribute
vertexCountHandle.addValue(result.size()-1);
geo.addFace(verts, closedFace);
}
}
@@ -106,11 +110,12 @@ void GopGeometryImport::cookOp(enzo::op::Context context)
// scale
const float scale = context.evalFloatParm("size");
for(int i=0; i<PAttrHandle.getSize(); ++i)
const ga::Offset numPoints = geo.getNumPoints();
for(ga::Offset i=0; i<numPoints; ++i)
{
enzo::bt::Vector3 pointPos = PAttrHandle.getValue(i);
enzo::bt::Vector3 pointPos = geo.getPointPos(i);
pointPos*=scale;
PAttrHandle.setValue(i, pointPos);
geo.setPointPos(i, pointPos);
}
// ----