trianglefromposandtriangleseedquery.h

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/*
* Copyright 2016 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/

#pragma once

#include "gwnavruntime/querysystem/iquery.h"
#include "gwnavruntime/navmesh/worldintegerpos.h"
#include "gwnavruntime/navmesh/identifiers/navtriangleptr.h"

namespace Kaim
{

class NavHalfEdgeRawPtr;
template <class T> class WorkingMemArray;

enum TriangleFromPosAndTriangleSeedResult
{
    NEARESTTRIANGLEFROMSEED_NOT_INITIALIZED = QUERY_NOT_INITIALIZED, 
    NEARESTTRIANGLEFROMSEED_NOT_PROCESSED   = QUERY_NOT_PROCESSED,   

    NEARESTTRIANGLEFROMSEED_DONE_SEED_INVALID,                       
    NEARESTTRIANGLEFROMSEED_DONE_NO_TRIANGLE_FOUND,                  

    NEARESTTRIANGLEFROMSEED_DONE_LACK_OF_WORKING_MEMORY,             

    NEARESTTRIANGLEFROMSEED_DONE_TRIANGLE_FOUND                      
};


class TriangleFromPosAndTriangleSeedQuery : public IAtomicQuery
{
public:
    // ------------------------------ Functions -----------------------------

    static  QueryType GetStaticType() { return TypeTriangleFromPosAndTriangleSeed; }
    virtual QueryType GetType() const { return TypeTriangleFromPosAndTriangleSeed; }

    TriangleFromPosAndTriangleSeedQuery();
    virtual ~TriangleFromPosAndTriangleSeedQuery() {}

    // ---------------------------------- Functions to set up the query ----------------------------------

    void BindToDatabase(Database* database);

    void Initialize(const NavTrianglePtr& seedTrianglePtr, const Vec3f& pos);

    // ---------------------------------- Query framework functions ----------------------------------

    virtual void Advance(WorkingMemory* workingMemory);

    void PerformQuery(WorkingMemory* workingMemory = nullptr);

    // ---------------------------------- Accessors ----------------------------------

    TriangleFromPosAndTriangleSeedResult GetResult()            const;
    const Vec3f&                         GetInputPos()          const;
    const NavTrianglePtr&                GetSeedTrianglePtr()   const;
    const NavTrianglePtr&                GetResultTrianglePtr() const;

public: // internal
    void SetInputIntegerPos(const WorldIntegerPos& integerPos);
    const WorldIntegerPos& GetInputIntegerPos() const;
    void PerformQueryWithInputCoordPos(WorkingMemory* workingMemory);

private:
    void SetResult(TriangleFromPosAndTriangleSeedResult result);
    void GetNearestTrianglePtrFromTriangleSeed_Crown();
    bool IsPointInsideCurrentTriangle(const NavHalfEdgeRawPtr& currentOutComingEdge) const;

private:
    WorldIntegerPos m_inputIntegerPos; 

    NavTrianglePtr m_seedTrianglePtr; 

    Vec3f m_inputPos3f; 

    NavTrianglePtr m_resultTrianglePtr;

    TriangleFromPosAndTriangleSeedResult m_result; 
};

}

#include "gwnavruntime/queries/trianglefromposandtriangleseedquery.inl"