GameSession.h

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// GameSession.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 "../Parcel/RecordFile.h"
#include "../Util/WorldCoordinates.h"
#include "ContactEffect.h"
#include "MazeElement.h"
#include "ShapeCollisions.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 Model {
        class GameOptions;
        class Level;
        class Track;
    }
}

template<class T>
class MR_FastArrayBase;

namespace HoverRace {
namespace Model {

class MR_DllDeclare GameSession
{
public:
    GameSession(bool pAllowRendering = true);
    ~GameSession();

    bool LoadNew(const char *pTitle, std::shared_ptr<Track> track,
        const Model::GameOptions &gameOpts);

    void SetSimulationTime(MR_SimulationTime);
    MR_SimulationTime GetSimulationTime() const;
    void Simulate();
    void SimulateLateElement(MR_FreeElementHandle pElement,
        MR_SimulationTime pDuration, int pRoom);

    Level *GetCurrentLevel() const;
    const char *GetTitle() const;

private:
    bool LoadLevel(const Model::GameOptions &gameOpts);
    void Clean();  // Clean up before destruction or clean-up

    void SimulateFreeElems(MR_SimulationTime pDuration);
    int SimulateOneFreeElem(MR_SimulationTime pTimeToSimulate,
        MR_FreeElementHandle pElementHandle, int pRoom);
    void SimulateSurfaceElems(MR_SimulationTime pDuration);

    // SimulateFreeElem sub-functions
    void ComputeShapeContactEffects(int pCurrentRoom,
        FreeElement *pActor, const RoomContactSpec &pLastSpec,
        MR_FastArrayBase<int> *pVisitedRooms, int pMaxDepth,
        MR_SimulationTime pDuration);

private:
    bool mAllowRendering;
    int mCurrentLevelNumber;

    std::string mTitle;
    std::shared_ptr<Track> track;

    MR_SimulationTime mSimulationTime;  
    Util::OS::timestamp_t mLastSimulateCallTime;  
};

}  // namespace Model
}  // namespace HoverRace

#undef MR_DllDeclare