126 lines
4.3 KiB
C++
126 lines
4.3 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2024, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file USDLoader.cpp
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* @brief Implementation of the USD importer class
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*/
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#ifndef ASSIMP_BUILD_NO_USD_IMPORTER
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#include <memory>
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// internal headers
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#include <assimp/ai_assert.h>
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#include <assimp/anim.h>
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#include <assimp/DefaultIOSystem.h>
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#include <assimp/DefaultLogger.hpp>
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#include <assimp/fast_atof.h>
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#include <assimp/Importer.hpp>
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#include <assimp/importerdesc.h>
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#include <assimp/IOStreamBuffer.h>
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#include <assimp/IOSystem.hpp>
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#include <assimp/scene.h>
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#include <assimp/StringUtils.h>
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#include <assimp/StreamReader.h>
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#include "USDLoader.h"
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#include "USDLoaderUtil.h"
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#include "USDPreprocessor.h"
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static constexpr aiImporterDesc desc = {
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"USD Object Importer",
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"",
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"",
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"https://en.wikipedia.org/wiki/Universal_Scene_Description/",
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aiImporterFlags_SupportTextFlavour | aiImporterFlags_SupportBinaryFlavour,
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0,
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0,
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0,
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0,
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"usd usda usdc usdz"
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};
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namespace Assimp {
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using namespace std;
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// Constructor to be privately used by Importer
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USDImporter::USDImporter() :
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impl(USDImporterImplTinyusdz()) {
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}
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// ------------------------------------------------------------------------------------------------
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bool USDImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
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UNUSED(checkSig);
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// Based on token
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static const uint32_t usdcTokens[] = { AI_MAKE_MAGIC("PXR-USDC") };
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bool canRead = CheckMagicToken(pIOHandler, pFile, usdcTokens, AI_COUNT_OF(usdcTokens));
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if (canRead) {
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return canRead;
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}
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// Based on extension
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// TODO: confirm OK to replace this w/SimpleExtensionCheck() below
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canRead = isUsd(pFile) || isUsda(pFile) || isUsdc(pFile) || isUsdz(pFile);
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if (canRead) {
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return canRead;
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}
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canRead = SimpleExtensionCheck(pFile, "usd", "usda", "usdc", "usdz");
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return canRead;
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}
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const aiImporterDesc *USDImporter::GetInfo() const {
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return &desc;
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}
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void USDImporter::InternReadFile(
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const std::string &pFile,
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aiScene *pScene,
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IOSystem *pIOHandler) {
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impl.InternReadFile(
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pFile,
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pScene,
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pIOHandler);
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}
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} // namespace Assimp
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#endif // !! ASSIMP_BUILD_NO_USD_IMPORTER
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