From f396f96f4116e52576e912977a9a88c11ddc1617 Mon Sep 17 00:00:00 2001
From: hodasemi <superschneider@t-online.de>
Date: Sat, 5 Jan 2019 16:51:18 +0100
Subject: [PATCH] Clean up

---
 exercise3/src/SurfaceArea.cpp | 81 ++++++++++++-----------------------
 1 file changed, 28 insertions(+), 53 deletions(-)

diff --git a/exercise3/src/SurfaceArea.cpp b/exercise3/src/SurfaceArea.cpp
index 719accd..547f0a9 100644
--- a/exercise3/src/SurfaceArea.cpp
+++ b/exercise3/src/SurfaceArea.cpp
@@ -15,23 +15,6 @@ struct SimpleFace {
 		}
 
 		return true;
-	}
-
-	std::vector<SimpleFace> triangulate() {
-		if (he_handles.size() == 3) {
-			return std::vector<SimpleFace>();
-		}
-
-		std::vector<SimpleFace> simple_faces;
-		std::vector<OpenMesh::HalfedgeHandle> all_handles = he_handles;
-
-		// replace internal handles
-		std::vector<OpenMesh::HalfedgeHandle> new_handles(he_handles.begin(), he_handles.begin() + 2);
-		he_handles = new_handles;
-
-
-
-
 	}
 };
 
@@ -53,31 +36,7 @@ struct Triangles {
 	Triangles(std::vector<SimpleFace> simple_faces, const HEMesh& m) {
 		for (auto simple_face: simple_faces) {
 			std::vector<OpenMesh::Vec3f> points = face_points(simple_face, m);
-
-			if (simple_face.is_triangulated()) {
-				triangles.emplace_back(points);
-			} else {
-				// triangulate
-				std::vector<Triangle> triangles;
-				std::vector<int> split_indices;
-
-				int current_split = 0;
-
-				split_indices.emplace_back(current_split);
-
-				int i = 0;
-				while(1) {
-					if (current_split)
-				}
-
-
-
-
-				// insert triangles (slow, but it works)
-				for (Triangle triangle : triangles) {
-					this->triangles.emplace_back(triangle);
-				}
-			}
+			triangles.emplace_back(points);
 		}
 	}
 
@@ -98,17 +57,9 @@ struct Triangles {
 	std::vector<Triangle> triangles;
 };
 
-float ComputeSurfaceArea(const HEMesh& m)
-{
-	float area = 0;
-	/* Task 2.2.2 */
-	std::cout << "Area computation is not implemented." << std::endl;
-
+bool gather_faces(const HEMesh& m, std::vector<SimpleFace>& simple_faces) {
 	auto faces = m.all_faces();
 
-	std::vector<SimpleFace> simple_faces;
-	bool need_triangulation = false;
-
 	for (auto face_handle : faces) {
 		HEMesh::ConstFaceHalfedgeIter fh_it = m.cfh_iter(face_handle);
 
@@ -119,13 +70,36 @@ float ComputeSurfaceArea(const HEMesh& m)
 		}
 
 		if (!simple_face.is_triangulated()) {
-			need_triangulation = true;
-			break;
+			return false;
 		}
 
 		simple_faces.emplace_back(simple_face);
 	}
 
+	return true;
+}
+
+float ComputeSurfaceArea(const HEMesh& _m)
+{
+	float area = 0;
+	/* Task 2.2.2 */
+	std::cout << "Area computation is not implemented." << std::endl;
+
+	// copy mesh for mutability
+	HEMesh private_mesh = _m;
+
+	std::vector<SimpleFace> simple_faces;
+
+	if (!gather_faces(private_mesh, simple_faces)) {
+		simple_faces.clear();
+		private_mesh.triangulate();
+
+		if (!gather_faces(private_mesh, simple_faces)) {
+			abort();
+		}
+	}
+
+	/*
 	std::cout << "face count: " << simple_faces.size() << std::endl;
 
 	for (auto sf : simple_faces) {
@@ -142,6 +116,7 @@ float ComputeSurfaceArea(const HEMesh& m)
 			std::cout << "vertex handle id: " << vh.idx() << std::endl;
 		}
 	}
+	*/
 
 	return area;
 }
\ No newline at end of file