[440] | 1 | #ifndef _ViewCellsManager_H__
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| 2 | #define _ViewCellsManager_H__
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| 3 |
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| 4 | #include "Ray.h"
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| 5 | #include "VssRay.h"
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| 6 | #include "Containers.h"
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[475] | 7 | #include "ViewCell.h"
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[610] | 8 | #include "ViewCellBsp.h"
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[440] | 9 |
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[860] | 10 | namespace GtpVisibilityPreprocessor {
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| 11 |
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[440] | 12 | class ViewCell;
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| 13 | class Intersectable;
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| 14 | class RenderSimulator;
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[480] | 15 | class Renderer;
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[440] | 16 | class Mesh;
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| 17 | struct Triangle3;
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| 18 | class SimulationStatistics;
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| 19 | class BspTree;
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| 20 | class KdTree;
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[1006] | 21 | class VspOspTree;
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[440] | 22 | class VspBspTree;
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| 23 | class KdNode;
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| 24 | class KdLeaf;
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| 25 | class AxisAlignedBox3;
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[448] | 26 | class BspLeaf;
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[475] | 27 | class ViewCellsStatistics;
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[482] | 28 | class Exporter;
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[532] | 29 | class Beam;
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[570] | 30 | class Preprocessor;
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[580] | 31 | class ViewCellsTree;
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| 32 | class MergeCandidate;
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[931] | 33 | class BoundingBoxConverter;
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[1021] | 34 | class VspTree;
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| 35 | class OspTree;
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| 36 | class VspNode;
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[1027] | 37 | class HierarchyManager;
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[1047] | 38 | struct AxisAlignedPlane;
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[503] | 39 |
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[475] | 40 | struct BspRay;
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| 41 |
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[677] | 42 |
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[1145] | 43 | /** Probably Visible Set
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| 44 | */
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[697] | 45 | class PrVs
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| 46 | {
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| 47 | public:
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[704] | 48 | /// root of view cells tree
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| 49 | ViewCell *mViewCell;
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| 50 |
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[880] | 51 | // input parameter is the render budget for the PrVs
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[677] | 52 | float mRenderBudget;
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| 53 |
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| 54 | /// some characteristic values could be here
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| 55 |
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| 56 | };
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| 57 |
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[850] | 58 |
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| 59 | /** Manages different higher order operations on the view cells.
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[440] | 60 | */
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| 61 | class ViewCellsManager
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| 62 | {
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| 63 | public:
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[728] | 64 | struct PvsStatistics
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| 65 | {
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| 66 | int minPvs;
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| 67 | int maxPvs;
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| 68 | float avgPvs;
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| 69 | int viewcells;
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[467] | 70 | };
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[697] | 71 |
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[728] | 72 | /// view cell container types
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[1021] | 73 | enum {BSP, KD, VSP_KD, VSP_BSP, VSP_OSP};
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[466] | 74 |
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[931] | 75 | /// render cost evaluation type
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[728] | 76 | enum {PER_OBJECT, PER_TRIANGLE};
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| 77 |
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[1004] | 78 | /** Default constructor.
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[440] | 79 | */
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[1004] | 80 | ViewCellsManager();
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[440] | 81 |
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[462] | 82 | virtual ~ViewCellsManager();
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[440] | 83 |
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[527] | 84 | /** Constructs view cells container taking a preprocessor
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[570] | 85 | @returns the output rays (if not null)
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| 86 | */
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| 87 | int Construct(Preprocessor *preprocessor, VssRayContainer *outRays = NULL);
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[527] | 88 |
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[440] | 89 | /** Constructs view cell container with a given number of samples.
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| 90 | */
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[574] | 91 | virtual int ConstructSubdivision(const ObjectContainer &objects,
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[487] | 92 | const VssRayContainer &rays) = 0;
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[440] | 93 |
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[441] | 94 | /** Computes sample contributions of the rays to the view cells PVS.
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| 95 |
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| 96 | @param rays bundle of rays used to find intersections with view cells and
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| 97 | adding the contribution
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[563] | 98 | @param addRays true if rays should be added to the PVSs of the viewcells they
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[574] | 99 | intersect
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| 100 | @param storeViewCells true if view cells should be stored in the ray
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| 101 | */
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[697] | 102 | float ComputeSampleContributions(const VssRayContainer &rays,
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[1155] | 103 | const bool addContributions,
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| 104 | const bool storeViewCells);
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[440] | 105 |
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[1155] | 106 | /** Add sample contributions to the viewcells they intersect
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| 107 | */
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[697] | 108 | void AddSampleContributions(const VssRayContainer &rays);
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[563] | 109 |
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[441] | 110 |
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[475] | 111 | /** Computes sample contribution of a simgle ray to the view cells PVS.
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| 112 | @param ray finds intersections with view cells and holds the contribution
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| 113 | @param castRay true if ray should be cast to gain the information, false if ray
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| 114 | is already holding the information and need not be recast.
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[466] | 115 |
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[475] | 116 | @returns number of sample contributions
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| 117 | */
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[1159] | 118 | virtual float ComputeSampleContribution(VssRay &ray,
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| 119 | const bool addRays,
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| 120 | const bool storeViewCells);
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[563] | 121 |
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[591] | 122 | virtual void AddSampleContributions(VssRay &ray);
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[563] | 123 |
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[452] | 124 | /** Prints out statistics of the view cells.
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| 125 | */
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[475] | 126 | virtual void PrintStatistics(ostream &s) const;
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[452] | 127 |
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[440] | 128 | /** Post processes view cells givemŽa number of rays.
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| 129 | */
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[475] | 130 | virtual int PostProcess(const ObjectContainer &objects,
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| 131 | const VssRayContainer &rays) = 0;
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[440] | 132 |
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| 133 | /** Show visualization of the view cells.
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| 134 | */
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| 135 | virtual void Visualize(const ObjectContainer &objects,
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[466] | 136 | const VssRayContainer &sampleRays) = 0;
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[440] | 137 |
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| 138 | /** type of the view cell container.
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| 139 | */
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| 140 | virtual int GetType() const = 0;
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| 141 |
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[463] | 142 | /** Load the input viewcells. The input viewcells should be given as a collection
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| 143 | of meshes. Each mesh is assume to form a bounded polyhedron defining the interior of
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| 144 | the viewcell. The method then builds a BSP tree of these view cells.
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| 145 |
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| 146 | @param filename file to load
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| 147 | @return true on success
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| 148 | */
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[577] | 149 | virtual bool LoadViewCellsGeometry(const string filename);
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[440] | 150 |
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[577] | 151 |
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[440] | 152 | /** Constructs view cell from base triangle. The ViewCell is extruded along the normal vector.
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| 153 | @param the base triangle
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| 154 | @param the height of the newly created view cell
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| 155 | */
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| 156 | ViewCell *ExtrudeViewCell(const Triangle3 &baseTri, const float height) const;
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| 157 |
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| 158 | /** Merges two view cells.
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| 159 | @note the piercing rays of the front and back will be ordered
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| 160 | @returns new view cell based on the merging.
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| 161 | */
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[582] | 162 | ViewCellInterior *MergeViewCells(ViewCell *front, ViewCell *back) const;
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| 163 |
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| 164 | /** Merges a container of view cells.
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| 165 | @returns new view cell based on the merging.
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| 166 | */
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| 167 | ViewCellInterior *MergeViewCells(ViewCellContainer &children) const;
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[440] | 168 |
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| 169 | /** Generates view cell of type specified by this manager
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| 170 | */
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[580] | 171 | virtual ViewCell *GenerateViewCell(Mesh *mesh = NULL) const = 0;
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[440] | 172 |
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| 173 | /** Adds a new view cell to the list of predefined view cells.
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| 174 | */
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| 175 | void AddViewCell(ViewCell *viewCell);
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| 176 |
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[1002] | 177 | /** Derive view cells from scene objects. The view ells are created by taking the object
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[1001] | 178 | geometry into account.
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[440] | 179 | */
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[1002] | 180 | void DeriveViewCellsFromObjects(const ObjectContainer &objects,
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| 181 | ViewCellContainer &viewCells,
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| 182 | const int maxViewCells) const;
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[440] | 183 |
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| 184 | /** Sets maximal number of samples used for the
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| 185 | construction of the view cells.
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| 186 | */
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| 187 | void SetVisualizationSamples(const int visSamples);
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| 188 |
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[574] | 189 | /** Sets maximal number of samples used for the construction of the view cells.
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[440] | 190 | */
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| 191 | void SetConstructionSamples(const int constructionSamples);
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| 192 |
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[574] | 193 | /** Sets maximal number of samples used for the visualization of the view cells.
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| 194 | */
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| 195 | void SetInitialSamples(const int initialSamples);
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| 196 |
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[440] | 197 | /** Sets maximal number of samples used for the post processing of the view cells.
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| 198 | */
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| 199 | void SetPostProcessSamples(const int postProcessingSamples);
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| 200 |
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| 201 | /** See set.
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| 202 | */
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| 203 | int GetVisualizationSamples() const;
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| 204 |
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| 205 | /** See set.
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| 206 | */
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| 207 | int GetConstructionSamples() const;
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| 208 |
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| 209 | /** See set.
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| 210 | */
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| 211 | int GetPostProcessSamples() const;
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| 212 |
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[1002] | 213 | /** Returns true if view cells are already constructed.
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[440] | 214 | */
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| 215 | virtual bool ViewCellsConstructed() const = 0;
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[441] | 216 |
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[477] | 217 | /** cast line segment to get a list of unique viewcells which are intersected
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| 218 | by this line segment
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| 219 | */
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[466] | 220 |
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[477] | 221 | virtual int CastLineSegment(const Vector3 &origin,
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[466] | 222 | const Vector3 &termination,
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| 223 | ViewCellContainer &viewcells
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| 224 | ) = 0;
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| 225 |
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[477] | 226 | virtual void GetPvsStatistics(PvsStatistics &stat);
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[466] | 227 |
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[904] | 228 | virtual void GetPrVS(const Vector3 &viewPoint, PrVs &prvs, const float filterWidth);
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[677] | 229 |
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[697] | 230 | /** Get a viewcell containing the specified point
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[879] | 231 | @param active if the active or elementary view cell should be returned.
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[697] | 232 | */
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[879] | 233 | virtual ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const = 0;
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[492] | 234 |
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[503] | 235 | virtual void PrintPvsStatistics(ostream &s);
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[467] | 236 |
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[719] | 237 | /** Updates pvs of the view cell hierarchy if necessary.
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| 238 | */
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| 239 | void UpdatePvs();
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| 240 |
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[477] | 241 | /** Returns probability that view point lies in one view cell.
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| 242 | */
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| 243 | virtual float GetProbability(ViewCell *viewCell) = 0;
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[468] | 244 |
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[477] | 245 | /** Returns render cost of a single view cell given the render cost of an object.
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| 246 | */
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[728] | 247 | float GetRendercost(ViewCell *viewCell) const;
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[468] | 248 |
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[720] | 249 | /** Returns reference to container of loaded / generated view cells.
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[477] | 250 | */
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| 251 | ViewCellContainer &GetViewCells();
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[468] | 252 |
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[485] | 253 | /** Helper function used to split ray sets uniformly
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| 254 | into one that is currently used and the other that
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| 255 | is saved for later processing.
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| 256 | @param sourceRays the input ray set
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| 257 | @param maxSize the maximal number of rays that will be used
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| 258 | @param usedRays returns the used ray set
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| 259 | @param savedRays if not null, returns the saved ray set
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[477] | 260 | */
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| 261 | void GetRaySets(const VssRayContainer &sourceRays,
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[485] | 262 | const int maxSize,
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| 263 | VssRayContainer &usedRays,
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| 264 | VssRayContainer *savedRays = NULL) const;
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| 265 |
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[480] | 266 | /** Returns accumulated area of all view cells.
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| 267 | */
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| 268 | float GetAccVcArea();
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[470] | 269 |
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[480] | 270 | /** Returns area of one view cell.
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| 271 | */
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| 272 | virtual float GetArea(ViewCell *viewCell) const;
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[470] | 273 |
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[551] | 274 | /** Returns volume of view cell.
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[480] | 275 | */
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| 276 | virtual float GetVolume(ViewCell *viewCell) const;
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[470] | 277 |
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[480] | 278 | /** Sets the current renderer mainly for view cells statistics.
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| 279 | */
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| 280 | void SetRenderer(Renderer *renderer);
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| 281 |
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[487] | 282 | /** Computes a (random) view point in the valid view space.
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| 283 | @returns true if valid view point was found
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| 284 | */
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| 285 | virtual bool GetViewPoint(Vector3 &viewPoint) const;
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| 286 |
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[490] | 287 | /** Returns true if this view point is in the valid view space.
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| 288 | */
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| 289 | virtual bool ViewPointValid(const Vector3 &viewPoint) const;
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| 290 |
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[487] | 291 | /** Sets a view space boundary.
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| 292 | */
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| 293 | void SetViewSpaceBox(const AxisAlignedBox3 &box);
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| 294 |
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[519] | 295 | AxisAlignedBox3 GetViewSpaceBox() const;
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| 296 |
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[503] | 297 | /** Creates mesh for this view cell.
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| 298 | */
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| 299 | virtual void CreateMesh(ViewCell *vc) = NULL;
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[487] | 300 |
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[508] | 301 | /** Writes view cells to disc.
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| 302 | */
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[1027] | 303 | virtual bool ExportViewCells(const string filename,
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| 304 | const bool exportPvs,
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| 305 | const ObjectContainer &objects);
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[508] | 306 |
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[532] | 307 | /** Casts beam to collect view cells.
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| 308 | */
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| 309 | virtual int CastBeam(Beam &beam);
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| 310 |
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[547] | 311 | /** Checks if view cell is considered as valid.
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| 312 | */
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[561] | 313 | virtual bool CheckValidity(ViewCell *vc,
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[562] | 314 | int minPvsSize,
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| 315 | int maxPvsSize) const;
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[547] | 316 |
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[562] | 317 |
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| 318 | /** Sets validity of view cell
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| 319 | */
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| 320 | virtual void SetValidity(ViewCell *vc,
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| 321 | int minPvsSize,
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| 322 | int maxPvsSize) const;
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| 323 |
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[710] | 324 | /** sets validy of all viewcells
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| 325 | */
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[810] | 326 | virtual void SetValidity(int minPvsSize,
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[569] | 327 | int maxPvsSize) const;
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| 328 |
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[609] | 329 |
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| 330 | /** set valid viewcells in the range of pvs. sorts the viewcells
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[710] | 331 | according to the pvs and then pickups those in the ranges
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| 332 | */
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| 333 | void SetValidityPercentage(const float minValid, const float maxValid);
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[569] | 334 |
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[609] | 335 | int CountValidViewcells() const;
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| 336 |
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[547] | 337 | /** Returns maximal allowed pvs size.
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| 338 | */
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| 339 | int GetMaxPvsSize() const;
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| 340 |
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[562] | 341 | /** Returns maximal allowed pvs size.
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| 342 | */
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| 343 | int GetMinPvsSize() const;
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| 344 |
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[561] | 345 | /** Returns maximal ratio. i.e., currentPVs / maxPvs,
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| 346 | where pvs is still considered valid.
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| 347 | */
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| 348 | float GetMaxPvsRatio() const;
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| 349 |
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[547] | 350 | /** Exports view cell geometry.
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| 351 | */
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[591] | 352 | virtual void ExportViewCellGeometry(Exporter *exporter,
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| 353 | ViewCell *vc,
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[1047] | 354 | const AxisAlignedPlane *clipPlane = NULL) const = 0;
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[547] | 355 |
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[860] | 356 | /** Brings the view cells into their final state, computes meshes and volume.
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| 357 | */
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[551] | 358 | virtual void FinalizeViewCells(const bool createMesh);
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| 359 |
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[579] | 360 | /** Evaluates statistics values on view cells.
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| 361 | */
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[580] | 362 | void EvaluateRenderStatistics(float &totalRenderCost,
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| 363 | float &expectedRenderCost,
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| 364 | float &deviation,
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| 365 | float &variance,
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| 366 | int &totalPvs,
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| 367 | float &avgRenderCost);
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[579] | 368 |
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[580] | 369 |
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| 370 | /** Returns hierarchy of the view cells.
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| 371 | */
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| 372 | ViewCellsTree *GetViewCellsTree();
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| 373 |
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[581] | 374 | virtual void CollectMergeCandidates(const VssRayContainer &rays,
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[1022] | 375 | vector<MergeCandidate> &candidates);
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[580] | 376 |
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[610] | 377 | void CollectViewCells(const int n);
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| 378 |
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[660] | 379 | /** Sets current view cells set to active, i.e., the sampling is done in this view cell set.
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| 380 | */
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| 381 | void SetViewCellsActive();
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[599] | 382 |
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[1145] | 383 | /** Evaluates render cost statistics of current view cell hierarchy.
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[660] | 384 | */
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[1178] | 385 | virtual void EvalViewCellPartition();
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[660] | 386 |
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[728] | 387 | /** Sets maximal size of a view cell filter.
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| 388 | */
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| 389 | void SetMaxFilterSize(const int size);
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[697] | 390 |
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[840] | 391 | /** Returns maximal filter size.
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| 392 | */
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| 393 | int GetMaxFilterSize() const;
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[746] | 394 |
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[840] | 395 | /** Deletes interior nodes from the tree which have negative merge cost set (local merge).
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| 396 | */
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| 397 | void DeleteLocalMergeTree(ViewCell *vc) const;
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[713] | 398 |
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[728] | 399 | /** Evaluautes histogram for a given number of view cells.
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| 400 | */
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| 401 | void EvalViewCellHistogram(const string filename, const int nViewCells);
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| 402 |
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[735] | 403 | /** Evaluautes histogram for a given number of view cells.
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| 404 | */
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| 405 | void EvalViewCellHistogramForPvsSize(const string filename, const int nViewCells);
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| 406 |
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[728] | 407 | /** Evaluates the render cost of a view cell.
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| 408 | */
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| 409 | float EvalRenderCost(Intersectable *obj) const;
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[1002] | 410 |
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| 411 | /** Sets pvs size of view cell as a scalar. Used when storing pvs only in the leaves
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| 412 | of the hierarchy.
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| 413 | */
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[1160] | 414 | void UpdateScalarPvsSize(ViewCell *vc, const int pvsSize, const int entriesInPvs) const;
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[728] | 415 |
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[870] | 416 | /** Returns bounding box of a view cell.
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| 417 | */
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| 418 | AxisAlignedBox3 GetViewCellBox(ViewCell *vc);
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[859] | 419 |
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[840] | 420 | /** Exports bounding boxes of objects to file.
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| 421 | */
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| 422 | bool ExportBoundingBoxes(const string filename, const ObjectContainer &objects) const;
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[931] | 423 |
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[850] | 424 | /** Load the bounding boxes into the container.
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| 425 | */
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| 426 | bool LoadBoundingBoxes(const string filename, IndexedBoundingBoxContainer &boxes) const;
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[840] | 427 |
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[1002] | 428 | /** Returns true if pvs should be exported together with the view cells.
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| 429 | */
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| 430 | bool GetExportPvs() const;
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[870] | 431 |
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| 432 | /** Loads view cells from file. The view cells manager is created with
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| 433 | respect to the loaded view cells.
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| 434 |
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[1002] | 435 | @param filename the filename of the view cells
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| 436 | @param objects the scene objects
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| 437 | @param finalizeViewCells if the view cells should be post processed, i.e.
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| 438 | a mesh is created representing the geometry
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| 439 | @param bconverter a conversion routine working with the similarities of bounding
|
---|
| 440 | boxes: if there is a certain similarity of overlap between bounding boxes, two tested
|
---|
| 441 | candidate objects are considered to be the same objects
|
---|
[870] | 442 | @returns the view cells manager if loading was successful, false otherwise
|
---|
| 443 | */
|
---|
[938] | 444 | static ViewCellsManager *LoadViewCells(const string &filename,
|
---|
[931] | 445 | ObjectContainer *objects,
|
---|
[944] | 446 | const bool finalizeViewCells,
|
---|
[931] | 447 | BoundingBoxConverter *bconverter = NULL);
|
---|
[870] | 448 |
|
---|
[904] | 449 |
|
---|
[931] | 450 | ////////////////////////////////////////////////////////7
|
---|
| 451 | // visiblity filter options
|
---|
| 452 | // TODO: write own visibiltiy filter class
|
---|
| 453 | void ApplyFilter(KdTree *kdTree,
|
---|
| 454 | const float viewSpaceFilterSize,
|
---|
| 455 | const float spatialFilterSize);
|
---|
[904] | 456 |
|
---|
[931] | 457 | void ApplySpatialFilter(KdTree *kdTree,
|
---|
| 458 | const float spatialFilterSize,
|
---|
| 459 | ObjectPvs &pvs);
|
---|
[480] | 460 |
|
---|
[931] | 461 | void ApplyFilter(ViewCell *viewCell,
|
---|
| 462 | KdTree *kdTree,
|
---|
| 463 | const float viewSpaceFilterSize,
|
---|
| 464 | const float spatialFilterSize,
|
---|
| 465 | ObjectPvs &pvs);
|
---|
| 466 |
|
---|
| 467 | float GetFilterWidth();
|
---|
| 468 |
|
---|
| 469 | float GetAbsFilterWidth();
|
---|
| 470 |
|
---|
| 471 |
|
---|
[697] | 472 | /** Returns the bounding box of filter width.
|
---|
| 473 | */
|
---|
| 474 | AxisAlignedBox3 GetFilterBBox(const Vector3 &viewPoint, const float width) const;
|
---|
[609] | 475 |
|
---|
[979] | 476 |
|
---|
[1155] | 477 | /** Returns true if the view cell is equivalent to a
|
---|
| 478 | node of the spatial hierarchy. This function can be used for merged
|
---|
| 479 | view cell.
|
---|
| 480 | e.g. to see if the spatial tree can be reduced on this location
|
---|
[1021] | 481 | */
|
---|
| 482 | virtual bool EqualToSpatialNode(ViewCell *viewCell) const;
|
---|
| 483 |
|
---|
[1155] | 484 | /** If true, the kd nodes are stored instead of the object pvs.
|
---|
| 485 | */
|
---|
| 486 | void SetStoreKdPvs(const bool storeKdPvs);
|
---|
| 487 |
|
---|
| 488 | /** Returns true if the kd nodes are stored instead of the object pvs.
|
---|
| 489 | **/
|
---|
| 490 | bool GetStoreKdPVs() const;
|
---|
| 491 |
|
---|
[931] | 492 | protected:
|
---|
[1145] | 493 |
|
---|
[931] | 494 | /** Exports bounding boxes as xml stream
|
---|
| 495 | */
|
---|
[955] | 496 | //bool ExportBoundingBoxes(ofstream &xmlstream, const ObjectContainer &objects) const;
|
---|
[931] | 497 |
|
---|
[697] | 498 | /** Intersects box with the tree and returns the number of intersected boxes.
|
---|
| 499 | @returns number of view cells found
|
---|
| 500 | */
|
---|
[710] | 501 | virtual int ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 502 | ViewCellContainer &viewCells) const;
|
---|
[697] | 503 |
|
---|
[880] | 504 | /** Tests the visibility filter functionality.
|
---|
| 505 | */
|
---|
[697] | 506 | virtual void TestFilter(const ObjectContainer &objects) {};
|
---|
| 507 |
|
---|
[931] | 508 | /** If the view cells tree was already constructed or not.
|
---|
[581] | 509 | */
|
---|
| 510 | bool ViewCellsTreeConstructed() const;
|
---|
| 511 |
|
---|
[574] | 512 | int CastPassSamples(const int samplesPerPass,
|
---|
| 513 | const int sampleType,
|
---|
| 514 | VssRayContainer &vssRays) const;
|
---|
[573] | 515 |
|
---|
[931] | 516 | /** Parse the options from the environment file.
|
---|
| 517 | */
|
---|
[482] | 518 | void ParseEnvironment();
|
---|
| 519 |
|
---|
[508] | 520 | /** Creates unique view cell ids.
|
---|
| 521 | */
|
---|
| 522 | void CreateUniqueViewCellIds();
|
---|
[547] | 523 |
|
---|
[551] | 524 | /** Finalizes, i.e., creates mesh, volume, area etc. for the view cell.
|
---|
| 525 | */
|
---|
| 526 | virtual void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
| 527 |
|
---|
[480] | 528 | /** Recollects view cells and resets statistics.
|
---|
| 529 | */
|
---|
| 530 | void ResetViewCells();
|
---|
[482] | 531 |
|
---|
[480] | 532 | /** Collects the view cells in the view cell container.
|
---|
| 533 | */
|
---|
| 534 | virtual void CollectViewCells() = 0;
|
---|
[482] | 535 |
|
---|
[479] | 536 | /** Evaluates view cells statistics and stores it in
|
---|
| 537 | mViewCellsStatistics.
|
---|
| 538 | */
|
---|
| 539 | void EvaluateViewCellsStats();
|
---|
[482] | 540 |
|
---|
| 541 | //-- helper functions for view cell visualization
|
---|
| 542 |
|
---|
| 543 | /** Exports the view cell partition.
|
---|
| 544 | */
|
---|
[508] | 545 | void ExportViewCellsForViz(Exporter *exporter) const;
|
---|
[482] | 546 |
|
---|
| 547 | /** Sets exporter color.
|
---|
| 548 | */
|
---|
[1021] | 549 | virtual void ExportColor(Exporter *exporter, ViewCell *vc) const;
|
---|
[482] | 550 |
|
---|
[1002] | 551 | /** Returns volume of the view space.
|
---|
| 552 | */
|
---|
[557] | 553 | virtual float GetViewSpaceVolume();
|
---|
| 554 |
|
---|
[503] | 555 | /** Creates meshes from the view cells.
|
---|
| 556 | */
|
---|
[517] | 557 | void CreateViewCellMeshes();
|
---|
[503] | 558 |
|
---|
[610] | 559 | /** Takes different measures to prepares the view cells after loading them from disc.
|
---|
[577] | 560 | */
|
---|
| 561 | virtual void PrepareLoadedViewCells() {};
|
---|
| 562 |
|
---|
[704] | 563 | /** Constructs local view cell merge hierarchy.
|
---|
| 564 | */
|
---|
| 565 | ViewCell *ConstructLocalMergeTree(ViewCell *currentViewCell,
|
---|
| 566 | const ViewCellContainer &viewCells);
|
---|
| 567 |
|
---|
[713] | 568 | /** Constructs local view cell merge hierarchy based solely on similarity with the
|
---|
| 569 | current viewcell
|
---|
| 570 | */
|
---|
| 571 | ViewCell *ConstructLocalMergeTree2(ViewCell *currentViewCell,
|
---|
| 572 | const ViewCellContainer &viewCells);
|
---|
| 573 |
|
---|
[660] | 574 | /** Creates clip plane for visualization.
|
---|
| 575 | */
|
---|
| 576 | void CreateClipPlane();
|
---|
[591] | 577 |
|
---|
[860] | 578 | /** Updates pvs of all view cells for statistical evaluation after some more sampling
|
---|
| 579 | */
|
---|
[1168] | 580 | void UpdatePvsForEvaluation(ViewCell *root, ObjectPvs &pvs);
|
---|
[752] | 581 |
|
---|
[1002] | 582 |
|
---|
[979] | 583 | ////////////////////////////////////////////////
|
---|
[752] | 584 |
|
---|
[1145] | 585 | Preprocessor *mPreprocessor;
|
---|
| 586 | /// if bounding boxes should be exported together with the view cells
|
---|
[840] | 587 | bool mExportBboxesForPvs;
|
---|
| 588 |
|
---|
[1004] | 589 | //Environment *environment;
|
---|
[1047] | 590 | AxisAlignedPlane mClipPlane;
|
---|
[837] | 591 |
|
---|
[660] | 592 | bool mUseClipPlaneForViz;
|
---|
[591] | 593 |
|
---|
| 594 |
|
---|
[480] | 595 | /// Renders the view cells.
|
---|
| 596 | Renderer *mRenderer;
|
---|
[440] | 597 |
|
---|
| 598 | /// Loaded view cells
|
---|
[469] | 599 | ViewCellContainer mViewCells;
|
---|
[1002] | 600 | /// the corresponding view cell tree holding the logical description of view cells
|
---|
[580] | 601 | ViewCellsTree *mViewCellsTree;
|
---|
[1002] | 602 | /// if empty view cells should be pruned (i.e., invalidated) from this point on
|
---|
[710] | 603 | bool mPruneEmptyViewCells;
|
---|
[706] | 604 |
|
---|
[1155] | 605 | /// if the values in the view cell leaves and the interiors are up to date
|
---|
| 606 | /// this is meant for lazy storing of the pvs, where only a scalar indicating
|
---|
| 607 | /// pvs size is stored in interiors and not the pvs itself.
|
---|
[719] | 608 | bool mViewCellPvsIsUpdated;
|
---|
[1002] | 609 |
|
---|
[440] | 610 | /// maximum number of samples taken for construction of the view cells
|
---|
| 611 | int mConstructionSamples;
|
---|
[574] | 612 | int mSamplesPerPass;
|
---|
| 613 | int mInitialSamples;
|
---|
[440] | 614 | int mPostProcessSamples;
|
---|
| 615 | int mVisualizationSamples;
|
---|
[441] | 616 |
|
---|
[470] | 617 | float mTotalAreaValid;
|
---|
| 618 | float mTotalArea;
|
---|
[475] | 619 |
|
---|
[547] | 620 | int mMaxPvsSize;
|
---|
[562] | 621 | int mMinPvsSize;
|
---|
[547] | 622 | float mMaxPvsRatio;
|
---|
| 623 |
|
---|
[660] | 624 | int mSamplingType;
|
---|
[722] | 625 | int mEvaluationSamplingType;
|
---|
[600] | 626 | int mNumActiveViewCells;
|
---|
[586] | 627 | bool mCompressViewCells;
|
---|
| 628 |
|
---|
[1002] | 629 | /// holds the current view cell statistics
|
---|
[660] | 630 | ViewCellsStatistics mCurrentViewCellsStats;
|
---|
[487] | 631 | /// the scene bounding box
|
---|
[542] | 632 | AxisAlignedBox3 mViewSpaceBox;
|
---|
[1001] | 633 |
|
---|
[508] | 634 | /// if view cells should be exported
|
---|
| 635 | bool mExportViewCells;
|
---|
[547] | 636 |
|
---|
[1002] | 637 | // if only valid view cells should be considered for processing
|
---|
[564] | 638 | bool mOnlyValidViewCells;
|
---|
[547] | 639 |
|
---|
[580] | 640 | /// if rays should be used to collect merge candidates
|
---|
| 641 | bool mUseRaysForMerge;
|
---|
[1021] | 642 |
|
---|
[1002] | 643 | /// if there should be an additional merge step after the subdivision
|
---|
[592] | 644 | bool mMergeViewCells;
|
---|
[697] | 645 |
|
---|
| 646 | /// the width of the box filter
|
---|
| 647 | float mFilterWidth;
|
---|
| 648 | int mMaxFilterSize;
|
---|
| 649 |
|
---|
[487] | 650 | //-- visualization options
|
---|
| 651 |
|
---|
[1002] | 652 | /// color code for view cells visualization
|
---|
[487] | 653 | int mColorCode;
|
---|
| 654 | bool mExportGeometry;
|
---|
| 655 | bool mExportRays;
|
---|
[517] | 656 |
|
---|
| 657 | bool mViewCellsFinished;
|
---|
[664] | 658 |
|
---|
| 659 | bool mEvaluateViewCells;
|
---|
[666] | 660 |
|
---|
[693] | 661 | bool mShowVisualization;
|
---|
| 662 |
|
---|
| 663 | // HACK in order to detect empty view cells
|
---|
| 664 | void CollectEmptyViewCells();
|
---|
[694] | 665 | void TestEmptyViewCells(const ObjectContainer &obj);
|
---|
[693] | 666 |
|
---|
| 667 | ViewCellContainer mEmptyViewCells;
|
---|
[728] | 668 |
|
---|
| 669 | int mRenderCostEvaluationType;
|
---|
[844] | 670 |
|
---|
| 671 | /// if pvs should be exported with view cells
|
---|
| 672 | bool mExportPvs;
|
---|
[1155] | 673 |
|
---|
| 674 | bool mStoreKdPvs;
|
---|
[1178] | 675 |
|
---|
| 676 | VssRayContainer storedRays;
|
---|
[440] | 677 | };
|
---|
| 678 |
|
---|
[441] | 679 |
|
---|
[440] | 680 | /**
|
---|
| 681 | Manages different higher order operations on the view cells.
|
---|
| 682 | */
|
---|
| 683 | class BspViewCellsManager: public ViewCellsManager
|
---|
| 684 | {
|
---|
| 685 |
|
---|
| 686 | public:
|
---|
[485] | 687 | /** Constructor taking the bsp tree and the number of samples
|
---|
| 688 | used to construct the bsp tree.
|
---|
| 689 | */
|
---|
[1004] | 690 | BspViewCellsManager(BspTree *tree);
|
---|
[440] | 691 |
|
---|
[477] | 692 | ~BspViewCellsManager();
|
---|
| 693 |
|
---|
[574] | 694 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 695 | const VssRayContainer &rays);
|
---|
[440] | 696 |
|
---|
| 697 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 698 | const VssRayContainer &rays);
|
---|
[440] | 699 |
|
---|
| 700 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 701 | const VssRayContainer &sampleRays);
|
---|
[440] | 702 |
|
---|
| 703 | int GetType() const;
|
---|
| 704 |
|
---|
| 705 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 706 |
|
---|
| 707 | bool ViewCellsConstructed() const;
|
---|
| 708 |
|
---|
[475] | 709 | //void PrintStatistics(ostream &s) const;
|
---|
[452] | 710 |
|
---|
[468] | 711 | int CastLineSegment(const Vector3 &origin,
|
---|
| 712 | const Vector3 &termination,
|
---|
| 713 | ViewCellContainer &viewcells);
|
---|
| 714 |
|
---|
[471] | 715 | float GetProbability(ViewCell *viewCell);
|
---|
[605] | 716 |
|
---|
[466] | 717 |
|
---|
[879] | 718 | /** Get a viewcell containing the specified point
|
---|
| 719 | */
|
---|
| 720 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const;
|
---|
[492] | 721 |
|
---|
[503] | 722 | void CreateMesh(ViewCell *vc);
|
---|
| 723 |
|
---|
[591] | 724 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
| 725 | ViewCell *vc,
|
---|
[1047] | 726 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[580] | 727 |
|
---|
[587] | 728 | void CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 729 | vector<MergeCandidate> &candidates);
|
---|
[547] | 730 |
|
---|
[587] | 731 | void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
| 732 |
|
---|
[931] | 733 | bool ExportViewCells(const string filename, const bool exportPvs, const ObjectContainer &objects);
|
---|
[590] | 734 |
|
---|
[752] | 735 | /** Constructs merge hierarchy which corresponds to the spatial hierarchy.
|
---|
| 736 | */
|
---|
[650] | 737 | ViewCell *ConstructSpatialMergeTree(BspNode *root);
|
---|
[610] | 738 |
|
---|
[1168] | 739 |
|
---|
[440] | 740 | protected:
|
---|
| 741 |
|
---|
[480] | 742 | void CollectViewCells();
|
---|
| 743 |
|
---|
[547] | 744 |
|
---|
[440] | 745 | /// the BSP tree.
|
---|
| 746 | BspTree *mBspTree;
|
---|
[475] | 747 |
|
---|
| 748 | vector<BspRay *> mBspRays;
|
---|
[440] | 749 |
|
---|
| 750 | private:
|
---|
| 751 |
|
---|
| 752 | /** Exports visualization of the BSP splits.
|
---|
| 753 | */
|
---|
[477] | 754 | void ExportSplits(const ObjectContainer &objects);
|
---|
[440] | 755 |
|
---|
| 756 | /** Exports visualization of the BSP PVS.
|
---|
| 757 | */
|
---|
[477] | 758 | void ExportBspPvs(const ObjectContainer &objects);
|
---|
[440] | 759 |
|
---|
[1002] | 760 | /** test if subdivision is valid in terms of volume / area.
|
---|
| 761 | */
|
---|
[693] | 762 | void TestSubdivision();
|
---|
[440] | 763 | };
|
---|
| 764 |
|
---|
| 765 | /**
|
---|
| 766 | Manages different higher order operations on the KD type view cells.
|
---|
| 767 | */
|
---|
| 768 | class KdViewCellsManager: public ViewCellsManager
|
---|
| 769 | {
|
---|
| 770 |
|
---|
| 771 | public:
|
---|
| 772 |
|
---|
[1004] | 773 | KdViewCellsManager(KdTree *tree);
|
---|
[440] | 774 |
|
---|
[574] | 775 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 776 | const VssRayContainer &rays);
|
---|
[440] | 777 |
|
---|
[478] | 778 | int CastLineSegment(const Vector3 &origin,
|
---|
| 779 | const Vector3 &termination,
|
---|
| 780 | ViewCellContainer &viewcells);
|
---|
[440] | 781 |
|
---|
| 782 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 783 | const VssRayContainer &rays);
|
---|
[440] | 784 |
|
---|
| 785 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 786 | const VssRayContainer &sampleRays);
|
---|
[440] | 787 |
|
---|
| 788 | int GetType() const;
|
---|
| 789 |
|
---|
| 790 | bool ViewCellsConstructed() const;
|
---|
| 791 |
|
---|
[580] | 792 | ViewCell *GenerateViewCell(Mesh *mesh) const;
|
---|
[440] | 793 |
|
---|
[452] | 794 | /** Prints out statistics of this approach.
|
---|
| 795 | */
|
---|
[503] | 796 | // virtual void PrintStatistics(ostream &s) const;
|
---|
[879] | 797 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const { return NULL; }
|
---|
[452] | 798 |
|
---|
[503] | 799 | float GetProbability(ViewCell *viewCell);
|
---|
[609] | 800 |
|
---|
[468] | 801 |
|
---|
[503] | 802 | void CreateMesh(ViewCell *vc);
|
---|
| 803 |
|
---|
[591] | 804 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
| 805 | ViewCell *vc,
|
---|
[1047] | 806 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[547] | 807 |
|
---|
[591] | 808 | void CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 809 | vector<MergeCandidate> &candidates);
|
---|
[580] | 810 |
|
---|
[752] | 811 |
|
---|
[440] | 812 | protected:
|
---|
| 813 |
|
---|
[580] | 814 | /** Collects view cells from a hierarchy.
|
---|
| 815 | */
|
---|
[480] | 816 | void CollectViewCells();
|
---|
[580] | 817 |
|
---|
[480] | 818 | KdNode *GetNodeForPvs(KdLeaf *leaf);
|
---|
[440] | 819 |
|
---|
| 820 |
|
---|
[480] | 821 | /// the BSP tree.
|
---|
| 822 | KdTree *mKdTree;
|
---|
[440] | 823 |
|
---|
[480] | 824 | /// depth of the KD tree nodes with represent the view cells
|
---|
| 825 | int mKdPvsDepth;
|
---|
[938] | 826 |
|
---|
| 827 |
|
---|
[440] | 828 | };
|
---|
| 829 |
|
---|
| 830 | /**
|
---|
[442] | 831 | Manages different higher order operations on the view cells.
|
---|
| 832 | */
|
---|
| 833 | class VspBspViewCellsManager: public ViewCellsManager
|
---|
| 834 | {
|
---|
| 835 |
|
---|
| 836 | public:
|
---|
| 837 |
|
---|
[1004] | 838 | VspBspViewCellsManager(VspBspTree *tree);
|
---|
[475] | 839 | ~VspBspViewCellsManager();
|
---|
[442] | 840 |
|
---|
[574] | 841 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 842 | const VssRayContainer &rays);
|
---|
[442] | 843 |
|
---|
| 844 | int PostProcess(const ObjectContainer &objects,
|
---|
[466] | 845 | const VssRayContainer &rays);
|
---|
[442] | 846 |
|
---|
| 847 | void Visualize(const ObjectContainer &objects,
|
---|
[466] | 848 | const VssRayContainer &sampleRays);
|
---|
[442] | 849 |
|
---|
| 850 | int GetType() const;
|
---|
| 851 |
|
---|
| 852 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 853 |
|
---|
| 854 | bool ViewCellsConstructed() const;
|
---|
| 855 |
|
---|
[468] | 856 |
|
---|
| 857 | int CastLineSegment(const Vector3 &origin,
|
---|
| 858 | const Vector3 &termination,
|
---|
| 859 | ViewCellContainer &viewcells);
|
---|
[452] | 860 |
|
---|
[471] | 861 | float GetProbability(ViewCell *viewCell);
|
---|
[479] | 862 |
|
---|
[879] | 863 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const;
|
---|
[477] | 864 |
|
---|
[487] | 865 | bool GetViewPoint(Vector3 &viewPoint) const;
|
---|
| 866 |
|
---|
[490] | 867 | bool ViewPointValid(const Vector3 &viewPoint) const;
|
---|
[503] | 868 |
|
---|
| 869 | void CreateMesh(ViewCell *vc);
|
---|
| 870 |
|
---|
[931] | 871 | bool ExportViewCells(const string filename, const bool exportPvs, const ObjectContainer &objects);
|
---|
[508] | 872 |
|
---|
[532] | 873 | int CastBeam(Beam &beam);
|
---|
| 874 |
|
---|
[591] | 875 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
| 876 | ViewCell *vc,
|
---|
[1047] | 877 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[547] | 878 |
|
---|
[551] | 879 | //float GetVolume(ViewCell *viewCell) const;
|
---|
| 880 |
|
---|
[555] | 881 | void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
[551] | 882 |
|
---|
[580] | 883 | void CollectMergeCandidates(const VssRayContainer &rays, vector<MergeCandidate> &candidates);
|
---|
| 884 |
|
---|
[697] | 885 | /** Returns true if this view cell is equivavalent to a spatial node.
|
---|
| 886 | */
|
---|
[609] | 887 | bool EqualToSpatialNode(ViewCell *viewCell) const;
|
---|
[607] | 888 |
|
---|
[697] | 889 |
|
---|
[442] | 890 | protected:
|
---|
[475] | 891 |
|
---|
[697] | 892 | int ComputeBoxIntersections(const AxisAlignedBox3 &box, ViewCellContainer &viewCells) const;
|
---|
[651] | 893 |
|
---|
[610] | 894 | /** Returns node of the spatial hierarchy corresponding to the view cell
|
---|
| 895 | if such a node exists.
|
---|
| 896 | */
|
---|
[609] | 897 | BspNode *GetSpatialNode(ViewCell *viewCell) const;
|
---|
[610] | 898 |
|
---|
[1021] | 899 | /** Merges view cells according to some criteria
|
---|
[442] | 900 | */
|
---|
[508] | 901 | void MergeViewCells(const VssRayContainer &rays,
|
---|
| 902 | const ObjectContainer &objects);
|
---|
[503] | 903 |
|
---|
[564] | 904 | void RefineViewCells(const VssRayContainer &rays, const ObjectContainer &objects);
|
---|
[442] | 905 |
|
---|
[480] | 906 | void CollectViewCells();
|
---|
| 907 |
|
---|
[482] | 908 | /** Returns maximal depth difference of view cell
|
---|
| 909 | leaves in tree.
|
---|
| 910 | */
|
---|
| 911 | int GetMaxTreeDiff(ViewCell *vc) const;
|
---|
[485] | 912 |
|
---|
[482] | 913 |
|
---|
[752] | 914 | /** Prepare view cells for use after loading them from disc.
|
---|
| 915 | */
|
---|
[577] | 916 | void PrepareLoadedViewCells();
|
---|
| 917 |
|
---|
[752] | 918 | /** Constructs merge hierarchy which corresponds to the spatial hierarchy.
|
---|
| 919 | */
|
---|
[650] | 920 | ViewCell *ConstructSpatialMergeTree(BspNode *root);
|
---|
[649] | 921 |
|
---|
[979] | 922 | /// HACK for testing visibility filter functionality
|
---|
[697] | 923 | void TestFilter(const ObjectContainer &objects);
|
---|
| 924 |
|
---|
[979] | 925 | /** Visualization of the pvs difference to exact visubility using
|
---|
| 926 | from point queries.
|
---|
| 927 | */
|
---|
| 928 | void VisualizeWithFromPointQueries();
|
---|
[697] | 929 |
|
---|
[991] | 930 | /** Evaluate from point queries for the current scene.
|
---|
| 931 | */
|
---|
| 932 | void EvalFromPointQueries();
|
---|
[979] | 933 |
|
---|
[1021] | 934 | /** Exports visualization of the BSP splits.
|
---|
| 935 | */
|
---|
| 936 | void ExportSplits(const ObjectContainer &objects,
|
---|
| 937 | const VssRayContainer &rays);
|
---|
[991] | 938 |
|
---|
[1021] | 939 | /** Exports visualization of the BSP PVS.
|
---|
| 940 | */
|
---|
| 941 | void ExportBspPvs(const ObjectContainer &objects,
|
---|
| 942 | const VssRayContainer &rays);
|
---|
| 943 |
|
---|
| 944 |
|
---|
[442] | 945 | /// the view space partition BSP tree.
|
---|
| 946 | VspBspTree *mVspBspTree;
|
---|
| 947 |
|
---|
[591] | 948 |
|
---|
[442] | 949 | private:
|
---|
| 950 |
|
---|
[1021] | 951 | /** test if subdivision is valid in terms of volume / area.
|
---|
[442] | 952 | */
|
---|
[1021] | 953 | void TestSubdivision();
|
---|
| 954 | };
|
---|
[442] | 955 |
|
---|
[1184] | 956 | #define TEST_EVALUATION 1
|
---|
[1021] | 957 |
|
---|
| 958 | /**
|
---|
| 959 | Manages different higher order operations on the view cells.
|
---|
| 960 | */
|
---|
| 961 | class VspOspViewCellsManager: public ViewCellsManager
|
---|
| 962 | {
|
---|
| 963 |
|
---|
| 964 | public:
|
---|
| 965 |
|
---|
| 966 | VspOspViewCellsManager(VspTree *tree, OspTree *ospTree);
|
---|
| 967 | ~VspOspViewCellsManager();
|
---|
| 968 |
|
---|
| 969 | int ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 970 | const VssRayContainer &rays);
|
---|
| 971 |
|
---|
| 972 | int PostProcess(const ObjectContainer &objects,
|
---|
| 973 | const VssRayContainer &rays);
|
---|
| 974 |
|
---|
| 975 | void Visualize(const ObjectContainer &objects,
|
---|
| 976 | const VssRayContainer &sampleRays);
|
---|
| 977 |
|
---|
| 978 | int GetType() const;
|
---|
| 979 |
|
---|
| 980 | ViewCell *GenerateViewCell(Mesh *mesh = NULL) const;
|
---|
| 981 |
|
---|
| 982 | bool ViewCellsConstructed() const;
|
---|
| 983 |
|
---|
| 984 |
|
---|
| 985 | int CastLineSegment(const Vector3 &origin,
|
---|
| 986 | const Vector3 &termination,
|
---|
| 987 | ViewCellContainer &viewcells);
|
---|
| 988 |
|
---|
| 989 | float GetProbability(ViewCell *viewCell);
|
---|
| 990 |
|
---|
| 991 | ViewCell *GetViewCell(const Vector3 &point, const bool active = false) const;
|
---|
| 992 |
|
---|
| 993 | bool GetViewPoint(Vector3 &viewPoint) const;
|
---|
| 994 |
|
---|
| 995 | bool ViewPointValid(const Vector3 &viewPoint) const;
|
---|
| 996 |
|
---|
| 997 | void CreateMesh(ViewCell *vc);
|
---|
| 998 |
|
---|
[1027] | 999 | bool ExportViewCells(const string filename,
|
---|
| 1000 | const bool exportPvs,
|
---|
| 1001 | const ObjectContainer &objects);
|
---|
[1021] | 1002 |
|
---|
| 1003 | int CastBeam(Beam &beam);
|
---|
| 1004 |
|
---|
| 1005 | void Finalize(ViewCell *viewCell, const bool createMesh);
|
---|
| 1006 |
|
---|
[1159] | 1007 | /** Stores sample contribution for kd cells or objects.
|
---|
| 1008 | */
|
---|
| 1009 | virtual float ComputeSampleContribution(VssRay &ray,
|
---|
| 1010 | const bool addRays,
|
---|
| 1011 | const bool storeViewCells);
|
---|
[1021] | 1012 |
|
---|
| 1013 | protected:
|
---|
[1180] | 1014 |
|
---|
[1184] | 1015 | #if TEST_EVALUATION
|
---|
[1178] | 1016 | virtual void EvalViewCellPartition();
|
---|
[1179] | 1017 | #endif
|
---|
[1027] | 1018 | /** Exports view cell geometry.
|
---|
| 1019 | */
|
---|
| 1020 | void ExportViewCellGeometry(Exporter *exporter,
|
---|
[1074] | 1021 | ViewCell *vc,
|
---|
| 1022 | const AxisAlignedPlane *clipPlane = NULL) const;
|
---|
[1027] | 1023 |
|
---|
[1074] | 1024 | int ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 1025 | ViewCellContainer &viewCells) const;
|
---|
[1021] | 1026 |
|
---|
| 1027 | void CollectViewCells();
|
---|
| 1028 |
|
---|
| 1029 |
|
---|
| 1030 | /** Prepare view cells for use after loading them from disc.
|
---|
| 1031 | */
|
---|
| 1032 | void PrepareLoadedViewCells();
|
---|
| 1033 |
|
---|
| 1034 | /** Constructs merge hierarchy which corresponds to the spatial hierarchy.
|
---|
| 1035 | */
|
---|
| 1036 | ViewCell *ConstructSpatialMergeTree(VspNode *root);
|
---|
| 1037 |
|
---|
[1074] | 1038 | /** Exports visualization of the PVS.
|
---|
[442] | 1039 | */
|
---|
[1184] | 1040 | void ExportPvs(
|
---|
| 1041 | const ObjectContainer &objects,
|
---|
[1074] | 1042 | const VssRayContainer &rays);
|
---|
[442] | 1043 |
|
---|
[1021] | 1044 |
|
---|
[1168] | 1045 | /////////////////////////////////////////
|
---|
[1021] | 1046 | /// the view space partition tree.
|
---|
| 1047 | VspTree *mVspTree;
|
---|
| 1048 | OspTree *mOspTree;
|
---|
[1027] | 1049 |
|
---|
| 1050 | HierarchyManager *mHierarchyManager;
|
---|
[442] | 1051 | };
|
---|
| 1052 |
|
---|
[575] | 1053 |
|
---|
[1002] | 1054 | /*class ViewCellsManagerFactory
|
---|
[575] | 1055 | {
|
---|
| 1056 | public:
|
---|
| 1057 | ViewCellsManager *Create(const string mName);
|
---|
[1002] | 1058 | };*/
|
---|
[575] | 1059 |
|
---|
[860] | 1060 | }
|
---|
| 1061 |
|
---|
[440] | 1062 | #endif
|
---|