You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
b0aa5f3c4a
#preflight 6143df0d599fd80001af7023 #rb ryan.schmidt #rnx #ROBOMERGE-AUTHOR: jimmy.andrews #ROBOMERGE-SOURCE: CL 17547526 in //UE5/Main/... #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v870-17433530) [CL 17547534 by jimmy andrews in ue5-release-engine-test branch]
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
// Port of geometry3Sharp MeshBoolean
|
|
|
|
#pragma once
|
|
|
|
#include "MathUtil.h"
|
|
#include "VectorTypes.h"
|
|
#include "GeometryTypes.h"
|
|
|
|
#include "Curve/GeneralPolygon2.h"
|
|
|
|
#include "DynamicMesh/DynamicMesh3.h"
|
|
#include "DynamicMesh/MeshNormals.h"
|
|
#include "MeshBoundaryLoops.h"
|
|
#include "GroupTopology.h"
|
|
|
|
#include "Util/ProgressCancel.h"
|
|
|
|
|
|
namespace UE
|
|
{
|
|
namespace Geometry
|
|
{
|
|
|
|
|
|
|
|
/**
|
|
* PolygroupRemesh -- remesh only considering polygroup features (topological corners and bends on polygroup edges)
|
|
* This can help clean up low poly meshes that have extra vertices along straight edges e.g. after mesh Boolean operations
|
|
*/
|
|
class DYNAMICMESH_API FPolygroupRemesh
|
|
{
|
|
public:
|
|
|
|
//
|
|
// Inputs
|
|
//
|
|
|
|
/** The mesh to remesh -- will be updated in place */
|
|
FDynamicMesh3* Mesh;
|
|
|
|
/** Topology of polygroups in the mesh, before the remesh has been computed */
|
|
const FGroupTopology* Topology;
|
|
|
|
/** Planar triangulation function (e.g. ConstrainedDelaunayTriangulate<double> in GeometryAlgorithms) */
|
|
TFunction<TArray<FIndex3i>(const FGeneralPolygon2d&)> PlanarTriangulationFunc;
|
|
|
|
/** Units are degrees. The angle change in boundary edge directions at a group-boundary vertex beyond which we need to keep the vertex in our remesh */
|
|
double SimplificationAngleTolerance = .1;
|
|
|
|
/** Set this to be able to cancel running operation */
|
|
FProgressCancel* Progress = nullptr;
|
|
|
|
|
|
public:
|
|
|
|
FPolygroupRemesh(FDynamicMesh3* Mesh, const FGroupTopology* Topology, TFunction<TArray<FIndex3i>(const FGeneralPolygon2d&)> PlanarTriangulationFunc)
|
|
: Mesh{ Mesh }, Topology(Topology), PlanarTriangulationFunc(PlanarTriangulationFunc)
|
|
{
|
|
check(Mesh != nullptr && Topology != nullptr);
|
|
}
|
|
|
|
virtual ~FPolygroupRemesh()
|
|
{}
|
|
|
|
/**
|
|
* @return EOperationValidationResult::Ok if we can apply operation, or error code if we cannot
|
|
*/
|
|
EOperationValidationResult Validate()
|
|
{
|
|
// @todo validate inputs
|
|
return EOperationValidationResult::Ok;
|
|
}
|
|
|
|
/**
|
|
* Compute the plane cut by splitting mesh edges that cross the cut plane, and then deleting any triangles
|
|
* on the positive side of the cutting plane.
|
|
* @return true if operation succeeds
|
|
*/
|
|
bool Compute();
|
|
|
|
protected:
|
|
/** If this returns true, abort computation. */
|
|
virtual bool Cancelled()
|
|
{
|
|
return (Progress == nullptr) ? false : Progress->Cancelled();
|
|
}
|
|
|
|
};
|
|
|
|
|
|
} // end namespace UE::Geometry
|
|
} // end namespace UE
|