load_meshes.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
 *                                                                           *
 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
 *                                                                           *
 * All rights reserved.                                                      *
 *                                                                           *
 * This program is free software; you can redistribute it and/or modify      *
 * it under the terms of the Mozilla Public License Version 2.0 as published *
 * by the Mozilla Foundation; either version 2 of the License, or            *
 * (at your option) any later version.                                       *
 *                                                                           *
 * This program is distributed in the hope that it will be useful,           *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the              *
 * Mozilla Public License Version 2.0                                        *
 * (https://www.mozilla.org/en-US/MPL/2.0/) for more details.                *
 ****************************************************************************/
 
#ifndef VCL_IO_MESH_LOAD_MESHES_H
#define VCL_IO_MESH_LOAD_MESHES_H
 
#ifdef VCLIB_WITH_TINYGLTF
#include "gltf/load.h"
#endif
 
#include "capability.h"
 
namespace vcl {
 
inline std::set<FileFormat> loadMeshesFileFormats()
{
    std::set<FileFormat> ff;
 
#ifdef VCLIB_WITH_TINYGLTF
    ff.insert(gltfFileFormat());
#endif
 
    return ff;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMeshes(
    std::vector<MeshType>& meshes,
    const std::string&     filename,
    std::vector<MeshInfo>& loadedInfo,
    const LoadSettings&    settings,
    LogType&               log = nullLogger)
{
    FileFormat ff = FileInfo::fileFormat(filename);
 
    loadedInfo.clear();
 
#ifdef VCLIB_WITH_TINYGLTF
    if (ff == gltfFileFormat()) {
        loadGltf(meshes, filename, loadedInfo, settings, log);
    }
    else {
        throw UnknownFileFormatException(ff.extensions().front());
    }
#endif
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMeshes(
    std::vector<MeshType>& meshes,
    const std::string&     filename,
    std::vector<MeshInfo>& loadedInfo,
    LogType&               log      = nullLogger,
    const LoadSettings&    settings = LoadSettings())
{
    loadMeshes(meshes, filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMeshes(
    std::vector<MeshType>& meshes,
    const std::string&     filename,
    const LoadSettings&    settings,
    LogType&               log = nullLogger)
{
    std::vector<MeshInfo> loadedInfo;
    loadMeshes(meshes, filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMeshes(
    std::vector<MeshType>& meshes,
    const std::string&     filename,
    LogType&               log      = nullLogger,
    const LoadSettings&    settings = LoadSettings())
{
    std::vector<MeshInfo> loadedInfo;
    loadMeshes(meshes, filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
std::vector<MeshType> loadMeshes(
    const std::string&     filename,
    std::vector<MeshInfo>& loadedInfo,
    const LoadSettings&    settings,
    LogType&               log = nullLogger)
{
    std::vector<MeshType> v;
    loadMeshes(v, filename, loadedInfo, settings, log);
    return v;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
std::vector<MeshType> loadMeshes(
    const std::string&     filename,
    std::vector<MeshInfo>& loadedInfo,
    LogType&               log      = nullLogger,
    const LoadSettings&    settings = LoadSettings())
{
    std::vector<MeshType> v;
    loadMeshes(v, filename, loadedInfo, settings, log);
    return v;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
std::vector<MeshType> loadMeshes(
    const std::string&  filename,
    const LoadSettings& settings,
    LogType&            log = nullLogger)
{
    std::vector<MeshType> v;
    std::vector<MeshInfo> loadedInfo;
    loadMeshes(v, filename, loadedInfo, settings, log);
    return v;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
std::vector<MeshType> loadMeshes(
    const std::string&  filename,
    LogType&            log      = nullLogger,
    const LoadSettings& settings = LoadSettings())
{
    std::vector<MeshType> v;
    std::vector<MeshInfo> loadedInfo;
    loadMeshes(v, filename, loadedInfo, settings, log);
    return v;
}
 
} // namespace vcl
 
#endif // VCL_IO_MESH_LOAD_MESHES_H