2 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <dali-scene3d/public-api/loader/navigation-mesh-factory.h>
21 #include <dali/integration-api/debug.h>
24 #include <dali-scene3d/internal/algorithm/navigation-mesh-impl.h>
25 #include <dali/devel-api/adaptor-framework/file-stream.h>
27 namespace Dali::Scene3D::Loader
29 std::unique_ptr<Algorithm::NavigationMesh> NavigationMeshFactory::CreateFromFile(std::string filename)
31 std::vector<uint8_t> buffer;
33 Dali::FileStream fileStream(filename, Dali::FileStream::READ | Dali::FileStream::BINARY);
34 auto fin = fileStream.GetFile();
36 if(DALI_UNLIKELY(!fin))
38 const int bufferLength = 128;
39 char buffer[bufferLength];
41 // Return type of stderror_r is different between system type. We should not use return value.
42 [[maybe_unused]] auto ret = strerror_r(errno, buffer, bufferLength - 1);
44 DALI_LOG_ERROR("NavigationMesh: Can't open %s for reading: %s", filename.c_str(), buffer);
48 if(DALI_UNLIKELY(fseek(fin, 0, SEEK_END)))
50 DALI_LOG_ERROR("NavigationMesh: Error reading file: %s\n", filename.c_str());
54 auto size = ftell(fin);
55 if(DALI_UNLIKELY(size < 0))
57 DALI_LOG_ERROR("NavigationMesh: Error reading file: %s\n", filename.c_str());
61 auto fileSize = size_t(size);
62 if(DALI_UNLIKELY(fseek(fin, 0, SEEK_SET)))
64 DALI_LOG_ERROR("NavigationMesh: Error reading file: %s\n", filename.c_str());
69 auto count = fread(buffer.data(), 1, fileSize, fin);
70 if(DALI_UNLIKELY(count != fileSize))
72 DALI_LOG_ERROR("NavigationMesh: Error reading file: %s\n", filename.c_str());
75 return CreateFromBuffer(buffer);
78 std::unique_ptr<Algorithm::NavigationMesh> NavigationMeshFactory::CreateFromBuffer(const std::vector<uint8_t>& buffer)
80 auto impl = new Scene3D::Internal::Algorithm::NavigationMesh(buffer);
81 return std::unique_ptr<Algorithm::NavigationMesh>(new Algorithm::NavigationMesh(impl));
84 } // namespace Dali::Scene3D::Loader