dynamicnavmeshcontext.h

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/*
* Copyright 2015 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.
*/


// Primary contact: JUBA - secondary contact: NOBODY
#ifndef Navigation_DynamicNavMeshContext_H
#define Navigation_DynamicNavMeshContext_H

#include "gwnavruntime/navmesh/navmeshtypes.h"
#include "gwnavruntime/querysystem/workingmemcontainers/workingmemarray.h"
#include "gwnavruntime/querysystem/workingmemcontainers/workingmembitfield.h"
#include "gwnavruntime/database/navtag.h"
#include "gwnavruntime/containers/kyarray.h"
#include "gwnavruntime/dynamicnavmesh/navfloorsweeplinetypes.h"
#include "gwnavruntime/dynamicnavmesh/dynamicnavmeshquerytypes.h"
#include "gwnavruntime/navmesh/dynamicnavfloor.h"
#include "gwnavruntime/dynamicnavmesh/earclippingtriangulator.h"
#include "gwnavruntime/navmesh/dynamictriangulation_int.h"

namespace Kaim
{
class TagVolume;

class DynamicNavMeshContext
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_QueryWorkingMem)
public:

    DynamicNavMeshContext()
        : m_currentNavFloorIdxInProcess(0)
        , m_polygonVertices(Memory::GetGlobalHeap())
        , m_dynamicEarTriangulation(Memory::GetGlobalHeap())
        , m_dynaFloor(Memory::GetGlobalHeap())
    {}
    ~DynamicNavMeshContext() { ReleaseWorkingMemory(); }

    bool InitForQuery(WorkingMemory* workingMemory)
    {
        m_rawInputEdges.Init(workingMemory);
        m_allTagVolumes.Init(workingMemory);
        m_tagVolumeImpactingCurrentFloor.Init(workingMemory);
        m_tagVolumeToNavTagIndex.Init(workingMemory);

        if (m_rawInputEdges.IsInitialized() == false ||
            m_allTagVolumes.IsInitialized() == false ||
            m_tagVolumeImpactingCurrentFloor.IsInitialized() == false ||
            m_tagVolumeToNavTagIndex.IsInitialized() == false)
            return false;

        m_currentNavFloorIdxInProcess = 0;
        return true;
    }

    bool InitForNewFloorInQuery(WorkingMemory* /*workingMemory*/)
    {
        m_tagVolumeImpactingCurrentFloor.MakeEmpty();
        m_tagVolumeToNavTagIndex.MakeEmpty();
        m_rawInputEdges.MakeEmpty();

        m_navTags.Clear();
        m_navTagIdxOfConnex.Clear();
        m_intersectedInputEdges.Clear();
        m_extractedPolygons.Clear();
        m_mergedPolygons.Clear();
        m_sweepResult.Clear();
        m_triangulationOutputs.Clear();
        m_dynaFloor.Clear();

        return true;
    }

    void ReleaseWorkingMemory()
    {
        m_allTagVolumes.ReleaseWorkingMemoryBuffer();
        m_tagVolumeImpactingCurrentFloor.ReleaseWorkingMemoryBuffer();
        m_tagVolumeToNavTagIndex.ReleaseWorkingMemoryBuffer();
        m_rawInputEdges.ReleaseWorkingMemoryBuffer();
        m_edgesToTreat.ReleaseWorkingMemoryBuffer();
        m_rightMostPoints.ReleaseWorkingMemoryBuffer();
        m_extractedPolygonWinding.ReleaseWorkingMemoryBuffer();
        m_holeTable.ReleaseWorkingMemoryBuffer();
        m_treatedEdges.ReleaseWorkingMemoryBuffer();
        m_successorCandidates.ReleaseWorkingMemoryBuffer();
    }

public:
    NavFloorIdx m_currentNavFloorIdxInProcess;
    PixelPos m_cellOriginPixel; 

    // Extract tag volume contour
    KyUInt16 m_currentTagVolumeIdx;
    KyUInt16 m_tagVolumeContourCount;

    // Polygon Building
    KyUInt16 m_currentNavTagIdx;
    KyUInt16 m_currentEdgeStart;
    const SweepLineOutputEdgePiece* m_currentPreviousEdge;
    bool m_polygonBuildAlreadyInProcess;

    // Polygon Triangulation
    KyUInt16 m_currentPolygonIdx;
    KyUInt16 m_innerPolygonIdx;
    KyUInt16 m_triangulatorOutputIdx;
    KyUInt16 m_currentVertexCountInPolygon;
    KyUInt16 m_firstValidVertexIdxInPolygon;

    WorkingMemArray<TagVolume*> m_allTagVolumes;

    WorkingMemArray<TagVolume*> m_tagVolumeImpactingCurrentFloor;
    WorkingMemArray<KyUInt32> m_tagVolumeToNavTagIndex;
    WorkingMemArray<InputEdge> m_rawInputEdges;

    WorkingMemArray<const SweepLineOutputEdgePiece*> m_edgesToTreat;

    KyArray<InputEdgePiece> m_intersectedInputEdges;

    KyArray<DynamicNavTag> m_navTags;
    KyArrayPOD<KyUInt32> m_navTagIdxOfConnex;
    SweepLineOutput m_sweepResult;
    KyArray<KyArray<MergedPolygonWithHoles> > m_mergedPolygons;
    KyArray<TriangulatorOutput> m_triangulationOutputs;

    KyArrayDH<EarClippingTriangulator::PolygonVertex> m_polygonVertices; // the "linked" polygon structure
    EarClippingTriangulatorInputPolygonWithHoles m_earPolygon;
    DynamicTriangulation m_dynamicEarTriangulation;
    DynamicNavFloor m_dynaFloor;


    // Polygon builder
    KyArray<MergedPolygon> m_extractedPolygons;

    WorkingMemArray<Vec2i> m_rightMostPoints; //GetCount() == m_extractedPolygons.GetCount()
    WorkingMemArray<PolygonWinding> m_extractedPolygonWinding; //GetCount() == m_extractedPolygons.GetCount()
    WorkingMemArray<KyUInt32> m_holeTable; //GetCount() == m_extractedPolygons.GetCount()
    WorkingMemBitField m_treatedEdges;
    WorkingMemArray<KyUInt32> m_successorCandidates;
};




}


#endif //Navigation_DynamicNavMeshContext_H