[372] | 1 | #ifndef _ViewCell_H__
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| 2 | #define _ViewCell_H__
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| 3 |
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| 4 | #include "Mesh.h"
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| 5 | #include "Containers.h"
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| 6 | #include "Ray.h"
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[462] | 7 | #include "Statistics.h"
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[372] | 8 | //namespace GtpVisibilityPreprocessor {
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| 9 |
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| 10 | class BspInterior;
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| 11 | class BspPvs;
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| 12 | struct Triangle3;
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| 13 | class BspLeaf;
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[453] | 14 | class VspKdTree;
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[462] | 15 | class VspKdLeaf;
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[372] | 16 |
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[462] | 17 |
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[372] | 18 | /**
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| 19 | View cell with an optional mesh representation
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| 20 | */
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| 21 | class ViewCell: public MeshInstance
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| 22 | {
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| 23 | public:
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| 24 | ViewCell();
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[462] | 25 |
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[372] | 26 | /** Constructor taking a mesh representing the shape of the viewcell.
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| 27 | */
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| 28 | ViewCell(Mesh *mesh);
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[462] | 29 |
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| 30 |
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| 31 | virtual ~ViewCell() {}
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[419] | 32 | /** Returns Pvs.
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[372] | 33 | */
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[419] | 34 | const ViewCellPvs &GetPvs() const;
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[372] | 35 | ViewCellPvs &GetPvs();
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| 36 |
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| 37 | int Type() const;
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| 38 |
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| 39 | /** Adds a passing ray to the passing ray container.
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| 40 | */
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| 41 | void AddPassingRay(const Ray &ray, const int contributions);
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| 42 |
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| 43 |
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| 44 | /// Ray set description of the rays passing through this node.
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| 45 | PassingRaySet mPassingRays;
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| 46 |
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| 47 | /// Rays piercing this view cell.
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| 48 | RayContainer mPiercingRays;
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| 49 |
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| 50 | protected:
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| 51 |
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| 52 | /// the potentially visible objects
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| 53 | ViewCellPvs mPvs;
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| 54 | };
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| 55 |
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[366] | 56 | class BspViewCell: public ViewCell
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| 57 | {
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| 58 | public:
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| 59 | BspViewCell(): mBspLeaves(0) {}
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| 60 | BspViewCell(Mesh *mesh):
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| 61 | ViewCell(mesh), mBspLeaves(0) {}
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| 62 |
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| 63 | /// Leaves which hold this view cell.
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[372] | 64 | vector<BspLeaf *> mBspLeaves;
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| 65 | };
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| 66 |
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[453] | 67 | class VspKdViewCell: public ViewCell
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| 68 | {
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| 69 | public:
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| 70 | VspKdViewCell(): mVspKdLeaves(0) {}
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| 71 | VspKdViewCell(Mesh *mesh):
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| 72 | ViewCell(mesh), mVspKdLeaves(0) {}
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| 73 |
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[462] | 74 | float GetSize() {return mSize;}
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[454] | 75 | void SetSize(float size) {mSize = size;}
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| 76 |
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[453] | 77 | /// Leaves which hold this view cell.
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[462] | 78 | vector<VspKdLeaf *> mVspKdLeaves;
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[454] | 79 |
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| 80 | protected:
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| 81 | float mSize;
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[453] | 82 | };
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[462] | 83 |
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| 84 | class ViewCellsStatistics: public StatisticsBase |
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| 85 | { |
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| 86 | public: |
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| 87 | |
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| 88 | /// number of view cells |
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| 89 | int viewCells; |
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| 90 | |
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| 91 | /// size of the PVS |
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| 92 | int pvs; |
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| 93 | |
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| 94 | /// largest PVS of all view cells |
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| 95 | int maxPvs; |
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| 96 | |
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| 97 | /// smallest PVS of all view cells |
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| 98 | int minPvs; |
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| 99 | |
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| 100 | /// view cells with empty PVS |
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| 101 | int emptyPvs; |
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| 102 | |
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| 103 | /// number of leaves covering the view space |
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| 104 | int leaves; |
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| 105 | |
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| 106 | /// largest number of leaves covered by one view cell |
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| 107 | int maxLeaves; |
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| 108 | |
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| 109 | // Constructor |
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| 110 | ViewCellsStatistics() |
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| 111 | { |
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| 112 | Reset(); |
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| 113 | } |
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| 114 | |
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| 115 | double AvgLeaves() const {return (double)leaves / (double)viewCells;}; |
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| 116 | double AvgPvs() const {return (double)pvs / (double)viewCells;}; |
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| 117 | |
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| 118 | void Reset() |
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| 119 | { |
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| 120 | viewCells = 0; |
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| 121 | pvs = 0; |
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| 122 | maxPvs = 0; |
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| 123 | |
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| 124 | minPvs = 999999; |
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| 125 | emptyPvs = 0; |
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| 126 | leaves = 0; |
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| 127 | maxLeaves = 0; |
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| 128 | } |
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| 129 | |
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| 130 | void Print(ostream &app) const; |
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| 131 | |
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| 132 | friend ostream &operator<<(ostream &s, const ViewCellsStatistics &stat) |
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| 133 | { |
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| 134 | stat.Print(s); |
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| 135 | return s; |
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| 136 | } |
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| 137 | }; |
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| 138 |
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[372] | 139 | #endif
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