diff options
Diffstat (limited to 'indra/llmath')
| -rwxr-xr-x | indra/llmath/llvolume.h | 5 | ||||
| -rwxr-xr-x | indra/llmath/m4math.cpp | 13 | ||||
| -rwxr-xr-x | indra/llmath/m4math.h | 5 |
3 files changed, 23 insertions, 0 deletions
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h index 975227ea58..d2cb052043 100755 --- a/indra/llmath/llvolume.h +++ b/indra/llmath/llvolume.h @@ -969,6 +969,7 @@ protected: ~LLVolume(); // use unref public: + typedef std::vector<LLVolumeFace> face_list_t; struct FaceParams { @@ -1041,6 +1042,10 @@ public: // 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 + LLVolumeFace &getVolumeFace(const S32 f) {return mVolumeFaces[f];} // DO NOT DELETE VOLUME WHILE USING THIS REFERENCE, OR HOLD A POINTER TO THIS VOLUMEFACE + + face_list_t& getVolumeFaces() { return mVolumeFaces; } + U32 mFaceMask; // bit array of which faces exist in this volume LLVector3 mLODScaleBias; // vector for biasing LOD based on scale diff --git a/indra/llmath/m4math.cpp b/indra/llmath/m4math.cpp index 6a1b4143cf..d89c482804 100755 --- a/indra/llmath/m4math.cpp +++ b/indra/llmath/m4math.cpp @@ -274,6 +274,19 @@ const LLMatrix4& LLMatrix4::invert(void) return *this; } +// Convenience func for simplifying comparison-heavy code by +// intentionally stomping values in [-FLT_EPS,FLT_EPS] to 0.0f +// +void LLMatrix4::condition(void) +{ + U32 i; + U32 j; + for (i = 0; i < 3;i++) + for (j = 0; j < 3;j++) + mMatrix[i][j] = ((mMatrix[i][j] > -FLT_EPSILON) + && (mMatrix[i][j] < FLT_EPSILON)) ? 0.0f : mMatrix[i][j]; +} + LLVector4 LLMatrix4::getFwdRow4() const { return LLVector4(mMatrix[VX][VX], mMatrix[VX][VY], mMatrix[VX][VZ], mMatrix[VX][VW]); diff --git a/indra/llmath/m4math.h b/indra/llmath/m4math.h index a7dce10397..a77c5bc76d 100755 --- a/indra/llmath/m4math.h +++ b/indra/llmath/m4math.h @@ -180,6 +180,11 @@ public: const LLMatrix4& setTranslation(const LLVector4 &translation); const LLMatrix4& setTranslation(const LLVector3 &translation); + // Convenience func for simplifying comparison-heavy code by + // intentionally stomping values [-FLT_EPS,FLT_EPS] to 0.0 + // + void condition(void); + /////////////////////////// // // Get properties of a matrix |