/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

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  following disclaimer.

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* Neither the name of the assimp team, nor the names of its
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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*/

/** @file  TerragenLoader.h
 *  @brief Declaration of the .ter importer class.
 */
#pragma once
#ifndef INCLUDED_AI_TERRAGEN_TERRAIN_LOADER_H
#define INCLUDED_AI_TERRAGEN_TERRAIN_LOADER_H

#include <assimp/BaseImporter.h>

namespace Assimp {

// Magic strings
#define AI_TERR_BASE_STRING "TERRAGEN"
#define AI_TERR_TERRAIN_STRING "TERRAIN "
#define AI_TERR_EOF_STRING "EOF "

// Chunka
#define AI_TERR_CHUNK_XPTS "XPTS"
#define AI_TERR_CHUNK_YPTS "YPTS"
#define AI_TERR_CHUNK_SIZE "SIZE"
#define AI_TERR_CHUNK_SCAL "SCAL"
#define AI_TERR_CHUNK_CRAD "CRAD"
#define AI_TERR_CHUNK_CRVM "CRVM"
#define AI_TERR_CHUNK_ALTW "ALTW"

// ---------------------------------------------------------------------------
/** @brief Importer class to load Terragen (0.9) terrain files.
 *
 *  The loader is basing on the information found here:
 *  http://www.planetside.co.uk/terragen/dev/tgterrain.html#chunks
*/
class TerragenImporter : public BaseImporter {
public:
    TerragenImporter();
    ~TerragenImporter() override = default;

    // -------------------------------------------------------------------
    bool CanRead(const std::string &pFile, IOSystem *pIOHandler,
            bool checkSig) const override;

protected:
    // -------------------------------------------------------------------
    const aiImporterDesc *GetInfo() const override;

    // -------------------------------------------------------------------
    void InternReadFile(const std::string &pFile, aiScene *pScene,
            IOSystem *pIOHandler) override;

    // -------------------------------------------------------------------
    void SetupProperties(const Importer *pImp) override;

private:
    bool configComputeUVs;

}; //! class TerragenImporter

} // end of namespace Assimp

#endif // AI_AC3DIMPORTER_H_INC