From 0ff187745a2645848b994535de458741e05d3640 Mon Sep 17 00:00:00 2001
From: Jeremy HU <huxingyi@msn.com>
Date: Thu, 20 Oct 2022 20:41:33 +1100
Subject: [PATCH] Prepare for UV mapping generating

---
 dust3d/mesh/tube_mesh_builder.cc | 6 ++++++
 dust3d/mesh/tube_mesh_builder.h  | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/dust3d/mesh/tube_mesh_builder.cc b/dust3d/mesh/tube_mesh_builder.cc
index 3ff2caa4..597137e3 100644
--- a/dust3d/mesh/tube_mesh_builder.cc
+++ b/dust3d/mesh/tube_mesh_builder.cc
@@ -48,6 +48,11 @@ const std::vector<std::vector<size_t>>& TubeMeshBuilder::generatedFaces()
     return m_generatedFaces;
 }
 
+const std::vector<std::vector<Vector2>>& TubeMeshBuilder::generatedFaceUvs()
+{
+    return m_generatedFaceUvs;
+}
+
 void TubeMeshBuilder::applyRoundEnd()
 {
     if (m_isCircle)
@@ -227,6 +232,7 @@ void TubeMeshBuilder::build()
         cutFaceIndices[i].resize(cutFaceVertices.size());
         for (size_t k = 0; k < cutFaceVertices.size(); ++k) {
             cutFaceIndices[i][k] = m_generatedVertices.size();
+            m_generatedVertexUvs.emplace_back(cutFaceVertexUvs[i][k]);
             m_generatedVertices.emplace_back(cutFaceVertices[k]);
         }
     }
diff --git a/dust3d/mesh/tube_mesh_builder.h b/dust3d/mesh/tube_mesh_builder.h
index 596e1300..13901917 100644
--- a/dust3d/mesh/tube_mesh_builder.h
+++ b/dust3d/mesh/tube_mesh_builder.h
@@ -48,6 +48,7 @@ public:
     const Vector3& generatedBaseNormal();
     const std::vector<Vector3>& generatedVertices();
     const std::vector<std::vector<size_t>>& generatedFaces();
+    const std::vector<std::vector<Vector2>>& generatedFaceUvs();
 
 private:
     BuildParameters m_buildParameters;
@@ -57,7 +58,8 @@ private:
     std::vector<double> m_nodeForwardDistances;
     std::vector<Vector3> m_generatedVertices;
     std::vector<std::vector<size_t>> m_generatedFaces;
-    std::vector<std::vector<Vector2>> m_generatedUvs;
+    std::vector<Vector2> m_generatedVertexUvs;
+    std::vector<std::vector<Vector2>> m_generatedFaceUvs;
     Vector3 m_generatedBaseNormal;
     bool m_isCircle = false;
     double m_maxNodeRadius = 0.0;