AssimpInputResourceAdaptor.hpp

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#ifndef DART_DYNAMICS_ASSIMPINPUTRESOURCEADAPTOR_HPP_
#define DART_DYNAMICS_ASSIMPINPUTRESOURCEADAPTOR_HPP_
 
#include <assimp/IOStream.hpp>
#include <assimp/IOSystem.hpp>
#include <assimp/cfileio.h>
#include "dart/common/Resource.hpp"
#include "dart/common/ResourceRetriever.hpp"
 
namespace dart {
namespace dynamics {
 
class AssimpInputResourceRetrieverAdaptor : public Assimp::IOSystem
{
public:
  explicit AssimpInputResourceRetrieverAdaptor(
      const common::ResourceRetrieverPtr& _resourceRetriever);
  virtual ~AssimpInputResourceRetrieverAdaptor();
 
  bool Exists(const char* pFile) const override;
 
  char getOsSeparator() const override;
 
  Assimp::IOStream* Open(const char* pFile, const char* pMode = "rb") override;
 
  void Close(Assimp::IOStream* pFile) override;
 
private:
  common::ResourceRetrieverPtr mResourceRetriever;
};
 
class AssimpInputResourceAdaptor : public Assimp::IOStream
{
public:
  explicit AssimpInputResourceAdaptor(const common::ResourcePtr& _resource);
  virtual ~AssimpInputResourceAdaptor();
 
  std::size_t Read(
      void* pvBuffer, std::size_t pSize, std::size_t pCount) override;
 
  std::size_t Write(
      const void* pvBuffer, std::size_t pSize, std::size_t pCount) override;
 
  aiReturn Seek(std::size_t pOffset, aiOrigin pOrigin) override;
 
  std::size_t Tell() const override;
 
  std::size_t FileSize() const override;
 
  void Flush() override;
 
private:
  common::ResourcePtr mResource;
};
 
aiFileIO createFileIO(Assimp::IOSystem* adaptor);
 
} // namespace dynamics
} // namespace dart
 
#endif // ifndef DART_DYNAMICS_ASSIMPINPUTRESOURCEADAPTOR_HPP_