[162] | 1 | #ifndef __INTERSECTABLE_H
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| 2 | #define __INTERSECTABLE_H
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| 3 |
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[176] | 4 | #include "AxisAlignedBox3.h"
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| 5 | #include "Pvs.h"
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[162] | 6 |
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[497] | 7 | struct VssRayContainer;
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[176] | 8 |
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[162] | 9 | class Intersectable {
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[176] | 10 | public:
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[811] | 11 | // last mail id -> warning not thread safe!
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| 12 | // both mailId and mailbox should be unique for each thread!!!
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| 13 | static int sMailId;
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| 14 | static int sReservedMailboxes;
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| 15 | int mMailbox;
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| 16 |
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| 17 | // unique object Id
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| 18 | int mId;
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| 19 |
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| 20 | // universal counter
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| 21 | int mCounter;
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[339] | 22 |
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[811] | 23 | // object based pvs
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| 24 | KdPvs mKdPvs;
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[162] | 25 |
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[308] | 26 | enum { MESH_INSTANCE, TRANSFORMED_MESH_INSTANCE, SPHERE, VIEW_CELL };
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[162] | 27 |
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[339] | 28 | Intersectable():mMailbox(0) {}
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[245] | 29 |
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[339] | 30 | void SetId(const int id) { mId = id; }
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| 31 | int GetId() { return mId; }
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| 32 |
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[382] | 33 |
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| 34 | static void NewMail(const int reserve = 1) {
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| 35 | sMailId += sReservedMailboxes;
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| 36 | sReservedMailboxes = reserve;
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| 37 | }
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| 38 |
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[339] | 39 | void Mail() { mMailbox = sMailId; }
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| 40 | bool Mailed() const { return mMailbox == sMailId; }
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| 41 |
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[382] | 42 | void Mail(const int mailbox) { mMailbox = sMailId + mailbox; }
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| 43 | bool Mailed(const int mailbox) const { return mMailbox == sMailId + mailbox; }
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| 44 |
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| 45 | int IncMail() { return ++mMailbox - sMailId; }
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| 46 |
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| 47 |
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| 48 |
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[176] | 49 | virtual AxisAlignedBox3 GetBox() = 0;
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| 50 |
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| 51 | virtual int CastRay(Ray &ray) = 0;
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| 52 |
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| 53 | virtual bool IsConvex() = 0;
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| 54 | virtual bool IsWatertight() = 0;
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| 55 | virtual float IntersectionComplexity() = 0;
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| 56 |
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[492] | 57 | virtual int NumberOfFaces() const = 0;
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[176] | 58 |
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[492] | 59 | virtual int Type() const = 0;
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| 60 |
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[349] | 61 | virtual int GetRandomSurfacePoint(Vector3 &point, Vector3 &normal) = 0;
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[492] | 62 |
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| 63 | virtual int
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| 64 | GetRandomVisibleSurfacePoint(Vector3 &point,
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| 65 | Vector3 &normal,
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| 66 | const Vector3 &viewpoint,
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[354] | 67 | const int maxTries
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[492] | 68 | ) = 0;
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| 69 |
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| 70 | virtual ostream &Describe(ostream &s) = 0;
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| 71 |
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| 72 | virtual int GenerateSilhouetteRays(const int nrays,
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| 73 | const AxisAlignedBox3 &originBox,
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| 74 | const AxisAlignedBox3 &directionBox,
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| 75 | VssRayContainer &rays
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| 76 | ) {return 0;}
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[556] | 77 |
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| 78 | static bool GreaterCounter(const Intersectable *a,
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| 79 | const Intersectable *b) {
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| 80 | return a->mCounter > b->mCounter;
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| 81 | }
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[162] | 82 | };
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| 83 |
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| 84 |
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| 85 | #endif
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