DetourLocalBoundary.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
// Modified version of Recast/Detour's source file
 
//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty.  In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgment in the product documentation would be
//    appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//    misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
 
#ifndef DETOURLOCALBOUNDARY_H
#define DETOURLOCALBOUNDARY_H
 
#include "CoreMinimal.h"
#include "Detour/DetourLargeWorldCoordinates.h"
#include "Detour/DetourNavMesh.h"
 
class dtNavMeshQuery;
class dtQueryFilter;
class dtSharedBoundary;
 
class dtLocalBoundary
{
    static const int MAX_LOCAL_SEGS = 8;
    static const int MAX_LOCAL_POLYS = 16;
    
    struct Segment
    {
        dtReal s[6];    
        dtReal d;   
        int flags;
    };
 
    dtPolyRef m_polys[MAX_LOCAL_POLYS];
    dtReal m_center[3];
    Segment m_segs[MAX_LOCAL_SEGS];
    int m_nsegs;
    int m_npolys;
 
    NAVMESH_API void addSegment(const dtReal dist, const dtReal* seg, int flags = 0);
    
public:
    NAVMESH_API dtLocalBoundary();
    NAVMESH_API ~dtLocalBoundary();
    
    NAVMESH_API void reset();
 
    // [UE: new sections: link removal, path corridor, direction]
    NAVMESH_API void update(dtPolyRef ref, const dtReal* pos, const dtReal collisionQueryRange,
        const bool bIgnoreAtEnd, const dtReal* endPos,
        const dtPolyRef* path, const int npath,
        const dtReal* moveDir,
        dtNavMeshQuery* navquery, const dtQueryFilter* filter);
 
    NAVMESH_API void update(const dtSharedBoundary* sharedData, const int sharedIdx,
        const dtReal* pos, const dtReal collisionQueryRange,
        const bool bIgnoreAtEnd, const dtReal* endPos,
        const dtPolyRef* path, const int npath, const dtReal* moveDir,
        dtNavMeshQuery* navquery, const dtQueryFilter* filter);
    
    NAVMESH_API bool isValid(dtNavMeshQuery* navquery, const dtQueryFilter* filter);
    
    inline const dtReal* getCenter() const { return m_center; }
    inline int getSegmentCount() const { return m_nsegs; }
    inline const dtReal* getSegment(int i) const { return m_segs[i].s; }
    inline const int getSegmentFlags(int i) const { return m_segs[i].flags; }
};
 
#endif // DETOURLOCALBOUNDARY_H