| 35 | } |
| 36 | |
| 37 | DataStorage::SetOfObjects::Pointer SceneJsonFileReader::Read(DataStorage &ds) |
| 38 | { |
| 39 | DataStorage::SetOfObjects::ConstPointer oldNodes = ds.GetAll(); |
| 40 | SceneJsonReader::Pointer reader = SceneJsonReader::New(); |
| 41 | reader->LoadScene(this->GetLocalFileName(), &ds, false); |
| 42 | DataStorage::SetOfObjects::ConstPointer newNodes = ds.GetAll(); |
| 43 | |
| 44 | // Compute the difference: nodes present after load but not before. |
| 45 | DataStorage::SetOfObjects::Pointer result = DataStorage::SetOfObjects::New(); |
| 46 | |
| 47 | unsigned int index = 0; |
| 48 | for (DataStorage::SetOfObjects::ConstIterator iter = newNodes->Begin(), iterEnd = newNodes->End(); iter != iterEnd; |
| 49 | ++iter) |
| 50 | { |
| 51 | if (!oldNodes->empty()) |
| 52 | { |
| 53 | if (std::find(oldNodes->begin(), oldNodes->end(), iter.Value()) == oldNodes->end()) |
| 54 | result->InsertElement(index++, iter.Value()); |
| 55 | } |
| 56 | else |
| 57 | { |
| 58 | result->InsertElement(index++, iter.Value()); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | return result; |
| 63 | } |
| 64 | |
| 65 | std::vector<BaseData::Pointer> SceneJsonFileReader::DoRead() |
| 66 | { |