FIX:add error deal:mtl file lost some material

jira: github 5687 Change-Id: I2394d27b027cfe34ac3cb260735aceaee65ff6d9 (cherry picked from commit 58f9c7d0b2800c4b8b67991f5d3e43d57a6cd1eb)
2026-09-27 19:01:02 +00:00 · 2025-09-09 10:14:19 +08:00
parent e36e7089eb
commit 3e9a8b8b3a
7 changed files with 88 additions and 30 deletions
@@ -170,6 +170,11 @@ bool load_obj(const char *path, TriangleMesh *meshptr, ObjInfo& obj_info, std::s
                        }
                        obj_info.face_colors.emplace_back(face_color);
                    }
+                    else {
+                        if (obj_info.lost_material_name.empty()) {
+                            obj_info.lost_material_name = mtl_name;
+                        }
+                    }
                };
                auto set_face_color_by_mtl = [&data, &set_face_color](int face_index) {
                    if (data.usemtls.size() == 1) {