LevelBuilder.h

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// LevelBuilder.h
//
// Copyright (c) 1995-1998 - Richard Langlois and Grokksoft Inc.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
//
// See the License for the specific language governing permissions
// and limitations under the License.
//

#pragma once

#include "../Model/Level.h"
#include "../Util/OS.h"
#include "TrackCompilationLog.h"

#if defined(_WIN32) && defined(HR_ENGINE_SHARED)
#   ifdef MR_ENGINE
#       define MR_DllDeclare   __declspec( dllexport )
#   else
#       define MR_DllDeclare   __declspec( dllimport )
#   endif
#else
#   define MR_DllDeclare
#endif

namespace HoverRace {
namespace MazeCompiler {

class VisibleStep;

class MR_DllDeclare LevelBuilder : public Model::Level
{
    using SUPER = Model::Level;

public:
    LevelBuilder(Model::Track &track, const TrackCompilationLogPtr &log);
    virtual ~LevelBuilder() {}

protected:
    static double ComputeShapeConst(Section * pSection);

    bool Parse(std::istream &in);
    bool ComputeVisibleZones();
    bool ComputeAudibleZones();

    void OrderVisibleSurfaces();

private:
    void TestForVisibility(VisibleStep *pPreviousStep, int *pDestArray,
        int &pDestIndex, int pNewLeftNodeIndex);

    static int OrderFloor(const void *pSurface0, const void *pSurface1);
    static int OrderCeiling(const void *pSurface0, const void *pSurface1);

public:
    bool InitFromFile(const Util::OS::path_t &filename);
    bool InitFromStream(std::istream &in);

private:
    TrackCompilationLogPtr log;
};

}  // namespace MazeCompiler
}  // namespace HoverRace

#undef MR_DllDeclare