port from perforce

meshToolsV5/src/Lib/mt/core/Face.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "typedefs.h"
+
+namespace mt
+{
+	class Face
+	{
+		friend class Mesh;
+	public:
+		Face();
+		Face(Vertex* a, Vertex* b, Vertex* c, Vertex* d = nullptr);
+		Face(const VertexList& vertices);
+		~Face();
+
+		vec3 GetNormal() const;
+		Plane GetPlane() const;
+
+		bool IsTriangle() const;
+		void FlipNormal();
+		void FlipNormal(const vec3& dir);
+		FaceList Triangulate();
+		void FlipEdge();
+
+		bool IsDegenerated() const;
+		bool RegainIntegrity();
+
+		const VertexList& GetVertices() const;
+		FaceList GetFaces() const;
+		const EdgeList& GetEdges() const;
+
+		bool HasTag(int tag) const;
+		bool HasTagsAny(const List<int>& tagsToCheck) const;
+		bool HasTagsAll(const List<int>& tagsToCheck) const;
+		void AddTag(int tag);
+		void RemoveTag(int tag);
+		List<int> GetTags() const;
+
+		void SetMaterialId(int materialId);
+		int GetMaterialId() const;
+		//void SetUVGenerator(UVGeneratorBase* generator);
+		//UVGeneratorBase* GetUVGenerator() const;
+
+		List<unsigned int> GetIndices(bool allowQuads) const;
+
+		void CopyProperties(Face* other, bool merge = false);
+		Mesh* GetMesh() const;
+
+		operator FaceList() { FaceList result; result.Add(const_cast<Face*>(this)); return result; }
+
+	private:
+		List<Triangle> GetTriangles() const;
+		List<int> GetMetaIndices() const;
+
+		List<int> tags;
+
+		//UVGeneratorBase* uvGenerator;
+		VertexList vertices;
+		EdgeList edges;
+		int materialId;
+		Mesh* mesh;
+	};
+}