彻底抛弃虚拟面

libs/MVS/SceneTexture.cpp

@@ -14889,6 +14889,12 @@ bool MeshTexture::CreateVirtualFacesForExistingUV(VirtualFaceMap& virtualFaceMap
         return false;
     }
     
+	virtualFaceMap.resize(scene.mesh.faces.size());
+    for (FIndex i = 0; i < (FIndex)scene.mesh.faces.size(); ++i) {
+        virtualFaceMap[i].faces = {i};
+    }
+    return true;
+
     // 验证faces数组的大小
     size_t numFaces = scene.mesh.faces.size();
     size_t numVertices = scene.mesh.vertices.size();
@@ -18734,6 +18740,12 @@ bool Scene::TextureMesh(unsigned nResolutionLevel, unsigned nMinResolution, unsi
                 return false;
             }
 
+			// ✅✅✅ 关键修复：重新计算拓扑（否则 faceFaces 是坏的）
+			mesh.ListIncidenteFaces();
+			mesh.ListIncidenteFaceFaces();
+			mesh.ComputeNormalFaces();
+			mesh.ListBoundaryVertices();
+
             // 纯可见性计算（初始化faceNeighbors）
             if (!texture.ComputePureFaceVisibility(fOutlierThreshold, nIgnoreMaskLabel, views)) {
                 // ❗ 兜底：如果ComputePureFaceVisibility没初始化faceNeighbors，手动填充