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69 lines
2 KiB
C++
69 lines
2 KiB
C++
//
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// CoverageMapV2.h - 2D CoverageMapV2 Quad tree for storage of OctreeProjectedPolygons
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// hifi
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//
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// Added by Brad Hefta-Gaub on 06/11/13.
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// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
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//
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#ifndef _COVERAGE_MAP_V2_
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#define _COVERAGE_MAP_V2_
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#include <glm/glm.hpp>
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#include "OctreeProjectedPolygon.h"
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typedef enum {
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V2_DOESNT_FIT, V2_STORED, V2_NOT_STORED,
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V2_INTERSECT, V2_NO_INTERSECT,
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V2_OCCLUDED, V2_NOT_OCCLUDED
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} CoverageMapV2StorageResult;
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class CoverageMapV2 {
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public:
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static const int NUMBER_OF_CHILDREN = 4;
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static const bool NOT_ROOT = false;
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static const bool IS_ROOT = true;
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static const BoundingBox ROOT_BOUNDING_BOX;
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static const float MINIMUM_POLYGON_AREA_TO_STORE;
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static const float NOT_COVERED;
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static const float MINIMUM_OCCLUSION_CHECK_AREA;
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static bool wantDebugging;
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CoverageMapV2(BoundingBox boundingBox = ROOT_BOUNDING_BOX, bool isRoot = IS_ROOT,
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bool isCovered = false, float coverageDistance = NOT_COVERED);
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~CoverageMapV2();
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CoverageMapV2StorageResult checkMap(const OctreeProjectedPolygon* polygon, bool storeIt = true);
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BoundingBox getChildBoundingBox(int childIndex);
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const BoundingBox& getBoundingBox() const { return _myBoundingBox; };
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CoverageMapV2* getChild(int childIndex) const { return _childMaps[childIndex]; };
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bool isCovered() const { return _isCovered; };
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void erase(); // erase the coverage map
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void render();
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private:
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void recurseMap(const OctreeProjectedPolygon* polygon, bool storeIt,
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bool& seenOccludedMapNodes, bool& allOccludedMapNodesCovered);
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void init();
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bool _isRoot;
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BoundingBox _myBoundingBox;
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CoverageMapV2* _childMaps[NUMBER_OF_CHILDREN];
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bool _isCovered;
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float _coveredDistance;
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static int _mapCount;
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static int _checkMapRootCalls;
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static int _notAllInView;
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};
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#endif // _COVERAGE_MAP_V2_
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