/*

Open Asset Import Library (assimp)

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*/

/** @file Defines a post processing step to bring a given scene

 into the verbose format that is expected by most postprocess steps.

 This is the inverse of the "JoinIdenticalVertices" step. */

#ifndef AI_MAKEVERBOSEFORMAT_H_INC

#define AI_MAKEVERBOSEFORMAT_H_INC

#include "Common/BaseProcess.h"

struct aiMesh;

namespace Assimp {

// ---------------------------------------------------------------------------

/** MakeVerboseFormatProcess: Class to convert an asset to the verbose

 *  format which is expected by most postprocess steps.

 *

 * This is the inverse of what the "JoinIdenticalVertices" step is doing.

 * This step has no official flag (since it wouldn't make sense to run it

 * during import). It is intended for applications intending to modify the

 * returned aiScene. After this step has been executed, they can execute

 * other postprocess steps on the data. The code might also be useful to

 * quickly adapt code that doesn't result in a verbose representation of

 * the scene data.

 * The step has been added because it was required by the viewer, however

 * it has been moved to the main library since others might find it

 * useful, too. */

class ASSIMP_API_WINONLY MakeVerboseFormatProcess : public BaseProcess {

public:

    // -------------------------------------------------------------------

    /// The default class constructor / destructor.

    MakeVerboseFormatProcess() = default;

    ~MakeVerboseFormatProcess() override = default;

    // -------------------------------------------------------------------

    /** Returns whether the processing step is present in the given flag field.

    * @param pFlags The processing flags the importer was called with. A bitwise

    *   combination of #aiPostProcessSteps.

    * @return true if the process is present in this flag fields, false if not */

    bool IsActive( unsigned int /*pFlags*/ ) const  override

    {

        // NOTE: There is no direct flag that corresponds to

        // this postprocess step.

        return false;

    }

    // -------------------------------------------------------------------

    /** Executes the post processing step on the given imported data.

    * At the moment a process is not supposed to fail.

    * @param pScene The imported data to work at. */

    void Execute( aiScene* pScene) override;

public:

    // -------------------------------------------------------------------

    /** Checks whether the scene is already in verbose format.

    * @param pScene The data to check.

    * @return true if the scene is already in verbose format. */

    static bool IsVerboseFormat(const aiScene* pScene);

private:

    //! Apply the postprocess step to a given submesh

    bool MakeVerboseFormat (aiMesh* pcMesh);

};

} // end of namespace Assimp

#endif // !!AI_KILLNORMALPROCESS_H_INC