diff options
Diffstat (limited to 'indra/llmath/llvolume.h')
-rw-r--r-- | indra/llmath/llvolume.h | 199 |
1 files changed, 161 insertions, 38 deletions
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h index 28b9895ff3..f67f8f644d 100644 --- a/indra/llmath/llvolume.h +++ b/indra/llmath/llvolume.h @@ -34,8 +34,13 @@ class LLPathParams; class LLVolumeParams; class LLProfile; class LLPath; + +template <class T> class LLOctreeNode; + +class LLVector4a; class LLVolumeFace; class LLVolume; +class LLVolumeTriangle; #include "lldarray.h" #include "lluuid.h" @@ -43,6 +48,8 @@ class LLVolume; //#include "vmath.h" #include "v2math.h" #include "v3math.h" +#include "v3dmath.h" +#include "v4math.h" #include "llquaternion.h" #include "llstrider.h" #include "v4coloru.h" @@ -177,12 +184,14 @@ const U8 LL_SCULPT_TYPE_SPHERE = 1; const U8 LL_SCULPT_TYPE_TORUS = 2; const U8 LL_SCULPT_TYPE_PLANE = 3; const U8 LL_SCULPT_TYPE_CYLINDER = 4; - -const U8 LL_SCULPT_TYPE_MASK = LL_SCULPT_TYPE_SPHERE | LL_SCULPT_TYPE_TORUS | LL_SCULPT_TYPE_PLANE | LL_SCULPT_TYPE_CYLINDER; +const U8 LL_SCULPT_TYPE_MESH = 5; +const U8 LL_SCULPT_TYPE_MASK = LL_SCULPT_TYPE_SPHERE | LL_SCULPT_TYPE_TORUS | LL_SCULPT_TYPE_PLANE | + LL_SCULPT_TYPE_CYLINDER | LL_SCULPT_TYPE_MESH; const U8 LL_SCULPT_FLAG_INVERT = 64; const U8 LL_SCULPT_FLAG_MIRROR = 128; +const S32 LL_SCULPT_MESH_MAX_FACES = 8; class LLProfileParams { @@ -569,6 +578,9 @@ public: BOOL importLegacyStream(std::istream& input_stream); BOOL exportLegacyStream(std::ostream& output_stream) const; + LLSD sculptAsLLSD() const; + bool sculptFromLLSD(LLSD& sd); + LLSD asLLSD() const; operator LLSD() const { return asLLSD(); } bool fromLLSD(LLSD& sd); @@ -628,7 +640,8 @@ public: const F32& getSkew() const { return mPathParams.getSkew(); } const LLUUID& getSculptID() const { return mSculptID; } const U8& getSculptType() const { return mSculptType; } - + bool isSculpt() const; + bool isMeshSculpt() const; BOOL isConvex() const; // 'begin' and 'end' should be in range [0, 1] (they will be clamped) @@ -677,6 +690,9 @@ public: BOOL isFlat(S32 face) const { return (mFaces[face].mCount == 2); } BOOL isOpen() const { return mOpen; } void setDirty() { mDirty = TRUE; } + + static S32 getNumPoints(const LLProfileParams& params, BOOL path_open, F32 detail = 1.0f, S32 split = 0, + BOOL is_sculpted = FALSE, S32 sculpt_size = 0); BOOL generate(const LLProfileParams& params, BOOL path_open, F32 detail = 1.0f, S32 split = 0, BOOL is_sculpted = FALSE, S32 sculpt_size = 0); BOOL isConcave() const { return mConcave; } @@ -701,6 +717,7 @@ public: protected: void genNormals(const LLProfileParams& params); + static S32 getNumNGonPoints(const LLProfileParams& params, S32 sides, F32 offset=0.0f, F32 bevel = 0.0f, F32 ang_scale = 1.f, S32 split = 0); void genNGon(const LLProfileParams& params, S32 sides, F32 offset=0.0f, F32 bevel = 0.0f, F32 ang_scale = 1.f, S32 split = 0); Face* addHole(const LLProfileParams& params, BOOL flat, F32 sides, F32 offset, F32 box_hollow, F32 ang_scale, S32 split = 0); @@ -743,6 +760,9 @@ public: virtual ~LLPath(); + static S32 getNumPoints(const LLPathParams& params, F32 detail); + static S32 getNumNGonPoints(const LLPathParams& params, S32 sides, F32 offset=0.0f, F32 end_scale = 1.f, F32 twist_scale = 1.f); + void genNGon(const LLPathParams& params, S32 sides, F32 offset=0.0f, F32 end_scale = 1.f, F32 twist_scale = 1.f); virtual BOOL generate(const LLPathParams& params, F32 detail=1.0f, S32 split = 0, BOOL is_sculpted = FALSE, S32 sculpt_size = 0); @@ -779,30 +799,88 @@ public: class LLVolumeFace { public: - LLVolumeFace() : - mID(0), - mTypeMask(0), - mHasBinormals(FALSE), - mBeginS(0), - mBeginT(0), - mNumS(0), - mNumT(0) + class VertexData { - } + enum + { + POSITION = 0, + NORMAL = 1 + }; + + private: + void init(); + public: + VertexData(); + VertexData(const VertexData& rhs); + const VertexData& operator=(const VertexData& rhs); + + ~VertexData(); + LLVector4a& getPosition(); + LLVector4a& getNormal(); + const LLVector4a& getPosition() const; + const LLVector4a& getNormal() const; + void setPosition(const LLVector4a& pos); + void setNormal(const LLVector4a& norm); + + + LLVector2 mTexCoord; + + bool operator<(const VertexData& rhs) const; + bool operator==(const VertexData& rhs) const; + bool compareNormal(const VertexData& rhs, F32 angle_cutoff) const; + + private: + LLVector4a* mData; + }; + + LLVolumeFace(); + LLVolumeFace(const LLVolumeFace& src); + LLVolumeFace& operator=(const LLVolumeFace& rhs); + + ~LLVolumeFace(); +private: + void freeData(); +public: BOOL create(LLVolume* volume, BOOL partial_build = FALSE); void createBinormals(); - void makeTriStrip(); - class VertexData + void appendFace(const LLVolumeFace& face, LLMatrix4& transform, LLMatrix4& normal_tranform); + + void resizeVertices(S32 num_verts); + void allocateBinormals(S32 num_verts); + void allocateWeights(S32 num_verts); + void resizeIndices(S32 num_indices); + void fillFromLegacyData(std::vector<LLVolumeFace::VertexData>& v, std::vector<U16>& idx); + + void pushVertex(const VertexData& cv); + void pushVertex(const LLVector4a& pos, const LLVector4a& norm, const LLVector2& tc); + void pushIndex(const U16& idx); + + void swapData(LLVolumeFace& rhs); + + void getVertexData(U16 indx, LLVolumeFace::VertexData& cv); + + class VertexMapData : public LLVolumeFace::VertexData { public: - LLVector3 mPosition; - LLVector3 mNormal; - LLVector3 mBinormal; - LLVector2 mTexCoord; + U16 mIndex; + + bool operator==(const LLVolumeFace::VertexData& rhs) const; + + struct ComparePosition + { + bool operator()(const LLVector3& a, const LLVector3& b) const; + }; + + typedef std::map<LLVector3, std::vector<VertexMapData>, VertexMapData::ComparePosition > PointMap; }; + void optimize(F32 angle_cutoff = 2.f); + void cacheOptimize(); + + void createOctree(F32 scaler = 0.25f, const LLVector4a& center = LLVector4a(0,0,0), const LLVector4a& size = LLVector4a(0.5f,0.5f,0.5f)); + enum { SINGLE_MASK = 0x0001, @@ -821,23 +899,35 @@ public: public: S32 mID; U32 mTypeMask; - LLVector3 mCenter; - BOOL mHasBinormals; - + // Only used for INNER/OUTER faces S32 mBeginS; S32 mBeginT; S32 mNumS; S32 mNumT; - LLVector3 mExtents[2]; //minimum and maximum point of face - LLVector2 mTexCoordExtents[2]; //minimum and maximum of texture coordinates of the face. + LLVector4a* mExtents; //minimum and maximum point of face + LLVector4a* mCenter; + LLVector2 mTexCoordExtents[2]; //minimum and maximum of texture coordinates of the face. + + S32 mNumVertices; + S32 mNumIndices; + + LLVector4a* mPositions; + LLVector4a* mNormals; + LLVector4a* mBinormals; + LLVector2* mTexCoords; + U16* mIndices; - std::vector<VertexData> mVertices; - std::vector<U16> mIndices; - std::vector<U16> mTriStrip; std::vector<S32> mEdge; + //list of skin weights for rigged volumes + // format is mWeights[vertex_index].mV[influence] = <joint_index>.<weight> + // mWeights.size() should be empty or match mVertices.size() + LLVector4a* mWeights; + + LLOctreeNode<LLVolumeTriangle>* mOctree; + private: BOOL createUnCutCubeCap(LLVolume* volume, BOOL partial_build = FALSE); BOOL createCap(LLVolume* volume, BOOL partial_build = FALSE); @@ -848,8 +938,7 @@ class LLVolume : public LLRefCount { friend class LLVolumeLODGroup; -private: - LLVolume(const LLVolume&); // Don't implement +protected: ~LLVolume(); // use unref public: @@ -871,7 +960,7 @@ public: U8 getProfileType() const { return mParams.getProfileParams().getCurveType(); } U8 getPathType() const { return mParams.getPathParams().getCurveType(); } - S32 getNumFaces() const { return (S32)mProfilep->mFaces.size(); } + S32 getNumFaces() const; S32 getNumVolumeFaces() const { return mVolumeFaces.size(); } F32 getDetail() const { return mDetail; } const LLVolumeParams& getParams() const { return mParams; } @@ -893,15 +982,18 @@ public: BOOL isUnique() const { return mUnique; } S32 getSculptLevel() const { return mSculptLevel; } - + void setSculptLevel(S32 level) { mSculptLevel = level; } + S32 *getTriangleIndices(U32 &num_indices) const; // returns number of triangle indeces required for path/profile mesh S32 getNumTriangleIndices() const; + static void getLoDTriangleCounts(const LLVolumeParams& params, S32* counts); + + S32 getNumTriangles() const; void generateSilhouetteVertices(std::vector<LLVector3> &vertices, std::vector<LLVector3> &normals, - std::vector<S32> &segments, const LLVector3& view_vec, const LLMatrix4& mat, const LLMatrix3& norm_mat, @@ -917,6 +1009,13 @@ public: LLVector3* normal = NULL, // return the surface normal at the intersection point LLVector3* bi_normal = NULL // return the surface bi-normal at the intersection point ); + + S32 lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end, + S32 face = 1, + LLVector3* intersection = NULL, + LLVector2* tex_coord = NULL, + LLVector3* normal = NULL, + LLVector3* bi_normal = NULL); // The following cleans up vertices and triangles, // getting rid of degenerate triangles and duplicate vertices, @@ -938,11 +1037,14 @@ public: friend std::ostream& operator<<(std::ostream &s, const LLVolume *volumep); // HACK to bypass Windoze confusion over // conversion if *(LLVolume*) to LLVolume& const LLVolumeFace &getVolumeFace(const S32 f) const {return mVolumeFaces[f];} // DO NOT DELETE VOLUME WHILE USING THIS REFERENCE, OR HOLD A POINTER TO THIS VOLUMEFACE - + U32 mFaceMask; // bit array of which faces exist in this volume LLVector3 mLODScaleBias; // vector for biasing LOD based on scale void sculpt(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data, S32 sculpt_level); + void copyVolumeFaces(const LLVolume* volume); + void cacheOptimize(); + private: void sculptGenerateMapVertices(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data, U8 sculpt_type); F32 sculptGetSurfaceArea(); @@ -953,35 +1055,56 @@ private: protected: BOOL generate(); void createVolumeFaces(); +public: + virtual bool unpackVolumeFaces(std::istream& is, S32 size); + + virtual void makeTetrahedron(); + virtual BOOL isTetrahedron(); protected: BOOL mUnique; F32 mDetail; S32 mSculptLevel; + BOOL mIsTetrahedron; LLVolumeParams mParams; LLPath *mPathp; LLProfile *mProfilep; std::vector<Point> mMesh; - + BOOL mGenerateSingleFace; typedef std::vector<LLVolumeFace> face_list_t; face_list_t mVolumeFaces; + +public: + LLVector4a* mHullPoints; + U16* mHullIndices; + S32 mNumHullPoints; + S32 mNumHullIndices; }; std::ostream& operator<<(std::ostream &s, const LLVolumeParams &volume_params); -LLVector3 calc_binormal_from_triangle( - const LLVector3& pos0, +void calc_binormal_from_triangle( + LLVector4a& binormal, + const LLVector4a& pos0, const LLVector2& tex0, - const LLVector3& pos1, + const LLVector4a& pos1, const LLVector2& tex1, - const LLVector3& pos2, + const LLVector4a& pos2, const LLVector2& tex2); +BOOL LLLineSegmentBoxIntersect(const F32* start, const F32* end, const F32* center, const F32* size); BOOL LLLineSegmentBoxIntersect(const LLVector3& start, const LLVector3& end, const LLVector3& center, const LLVector3& size); +BOOL LLLineSegmentBoxIntersect(const LLVector4a& start, const LLVector4a& end, const LLVector4a& center, const LLVector4a& size); + BOOL LLTriangleRayIntersect(const LLVector3& vert0, const LLVector3& vert1, const LLVector3& vert2, const LLVector3& orig, const LLVector3& dir, - F32* intersection_a, F32* intersection_b, F32* intersection_t, BOOL two_sided); + F32& intersection_a, F32& intersection_b, F32& intersection_t, BOOL two_sided); + +BOOL LLTriangleRayIntersect(const LLVector4a& vert0, const LLVector4a& vert1, const LLVector4a& vert2, const LLVector4a& orig, const LLVector4a& dir, + F32& intersection_a, F32& intersection_b, F32& intersection_t); +BOOL LLTriangleRayIntersectTwoSided(const LLVector4a& vert0, const LLVector4a& vert1, const LLVector4a& vert2, const LLVector4a& orig, const LLVector4a& dir, + F32& intersection_a, F32& intersection_b, F32& intersection_t); 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