diff options
Diffstat (limited to 'indra/llmath')
-rwxr-xr-x | indra/llmath/llcalcparser.h | 5 | ||||
-rwxr-xr-x | indra/llmath/llcamera.cpp | 50 | ||||
-rwxr-xr-x | indra/llmath/llcamera.h | 8 | ||||
-rwxr-xr-x | indra/llmath/llmath.h | 2 | ||||
-rwxr-xr-x | indra/llmath/llvolume.cpp | 38 | ||||
-rwxr-xr-x | indra/llmath/v4color.h | 4 |
6 files changed, 76 insertions, 31 deletions
diff --git a/indra/llmath/llcalcparser.h b/indra/llmath/llcalcparser.h index e0ad270266..faa699ff7b 100755 --- a/indra/llmath/llcalcparser.h +++ b/indra/llmath/llcalcparser.h @@ -163,7 +163,7 @@ private: bool checkNaN(const F32& a) const { return !llisnan(a); } - //FIX* non ambigious function fix making SIN() work for calc -Cryogenic Blitz + //FIX* non ambiguous function fix making SIN() work for calc -Cryogenic Blitz F32 _sin(const F32& a) const { return sin(DEG_TO_RAD * a); } F32 _cos(const F32& a) const { return cos(DEG_TO_RAD * a); } F32 _tan(const F32& a) const { return tan(DEG_TO_RAD * a); } @@ -176,11 +176,8 @@ private: F32 _fabs(const F32& a) const { return fabs(a); } F32 _floor(const F32& a) const { return (F32)llfloor(a); } F32 _ceil(const F32& a) const { return llceil(a); } - F32 _atan2(const F32& a,const F32& b) const { return atan2(a,b); } - - LLCalc::calc_map_t* mConstants; LLCalc::calc_map_t* mVariables; // LLCalc::calc_map_t* mUserVariables; diff --git a/indra/llmath/llcamera.cpp b/indra/llmath/llcamera.cpp index 22ba26f99b..054afd3e95 100755 --- a/indra/llmath/llcamera.cpp +++ b/indra/llmath/llcamera.cpp @@ -161,7 +161,7 @@ size_t LLCamera::readFrustumFromBuffer(const char *buffer) // ---------------- test methods ---------------- -S32 LLCamera::AABBInFrustum(const LLVector4a ¢er, const LLVector4a& radius) +S32 LLCamera::AABBInFrustum(const LLVector4a ¢er, const LLVector4a& radius, const LLPlane* planes) { static const LLVector4a scaler[] = { LLVector4a(-1,-1,-1), @@ -174,6 +174,12 @@ S32 LLCamera::AABBInFrustum(const LLVector4a ¢er, const LLVector4a& radius) LLVector4a( 1, 1, 1) }; + if(!planes) + { + //use agent space + planes = mAgentPlanes; + } + U8 mask = 0; bool result = false; LLVector4a rscale, maxp, minp; @@ -183,7 +189,7 @@ S32 LLCamera::AABBInFrustum(const LLVector4a ¢er, const LLVector4a& radius) mask = mPlaneMask[i]; if (mask != 0xff) { - const LLPlane& p(mAgentPlanes[i]); + const LLPlane& p(planes[i]); p.getAt<3>(d); rscale.setMul(radius, scaler[mask]); minp.setSub(center, rscale); @@ -204,8 +210,14 @@ S32 LLCamera::AABBInFrustum(const LLVector4a ¢er, const LLVector4a& radius) return result?1:2; } +//exactly same as the function AABBInFrustum(...) +//except uses mRegionPlanes instead of mAgentPlanes. +S32 LLCamera::AABBInRegionFrustum(const LLVector4a& center, const LLVector4a& radius) +{ + return AABBInFrustum(center, radius, mRegionPlanes); +} -S32 LLCamera::AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius) +S32 LLCamera::AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes) { static const LLVector4a scaler[] = { LLVector4a(-1,-1,-1), @@ -218,6 +230,12 @@ S32 LLCamera::AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& LLVector4a( 1, 1, 1) }; + if(!planes) + { + //use agent space + planes = mAgentPlanes; + } + U8 mask = 0; bool result = false; LLVector4a rscale, maxp, minp; @@ -227,7 +245,7 @@ S32 LLCamera::AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& mask = mPlaneMask[i]; if ((i != 5) && (mask != 0xff)) { - const LLPlane& p(mAgentPlanes[i]); + const LLPlane& p(planes[i]); p.getAt<3>(d); rscale.setMul(radius, scaler[mask]); minp.setSub(center, rscale); @@ -248,6 +266,13 @@ S32 LLCamera::AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& return result?1:2; } +//exactly same as the function AABBInFrustumNoFarClip(...) +//except uses mRegionPlanes instead of mAgentPlanes. +S32 LLCamera::AABBInRegionFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius) +{ + return AABBInFrustumNoFarClip(center, radius, mRegionPlanes); +} + int LLCamera::sphereInFrustumQuick(const LLVector3 &sphere_center, const F32 radius) { LLVector3 dist = sphere_center-mFrustCenter; @@ -584,6 +609,23 @@ void LLCamera::calcAgentFrustumPlanes(LLVector3* frust) } } +//calculate regional planes from mAgentPlanes. +//vector "shift" is the vector of the region origin in the agent space. +void LLCamera::calcRegionFrustumPlanes(const LLVector3& shift) +{ + F32 d; + LLVector3 n; + for(S32 i = 0 ; i < 7; i++) + { + if (mPlaneMask[i] != 0xff) + { + n.setVec(mAgentPlanes[i][0], mAgentPlanes[i][1], mAgentPlanes[i][2]); + d = mAgentPlanes[i][3] + n * shift; + mRegionPlanes[i].setVec(n, d); + } + } +} + void LLCamera::calculateFrustumPlanes(F32 left, F32 right, F32 top, F32 bottom) { LLVector3 a, b, c; diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h index 0b591be622..898d73ed7e 100755 --- a/indra/llmath/llcamera.h +++ b/indra/llmath/llcamera.h @@ -109,6 +109,7 @@ public: private: LL_ALIGN_16(LLPlane mAgentPlanes[7]); //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP + LL_ALIGN_16(LLPlane mRegionPlanes[7]); //frustum planes in a local region space, derived from mAgentPlanes U8 mPlaneMask[8]; // 8 for alignment F32 mView; // angle between top and bottom frustum planes in radians. @@ -178,6 +179,7 @@ public: // Return number of bytes copied. size_t readFrustumFromBuffer(const char *buffer); void calcAgentFrustumPlanes(LLVector3* frust); + void calcRegionFrustumPlanes(const LLVector3& shift); //calculate regional planes from mAgentPlanes. void ignoreAgentFrustumPlane(S32 idx); // Returns 1 if partly in, 2 if fully in. @@ -186,8 +188,10 @@ public: S32 sphereInFrustum(const LLVector3 ¢er, const F32 radius) const; S32 pointInFrustum(const LLVector3 &point) const { return sphereInFrustum(point, 0.0f); } S32 sphereInFrustumFull(const LLVector3 ¢er, const F32 radius) const { return sphereInFrustum(center, radius); } - S32 AABBInFrustum(const LLVector4a& center, const LLVector4a& radius); - S32 AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius); + S32 AABBInFrustum(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes = NULL); + S32 AABBInRegionFrustum(const LLVector4a& center, const LLVector4a& radius); + S32 AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes = NULL); + S32 AABBInRegionFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius); //does a quick 'n dirty sphere-sphere check S32 sphereInFrustumQuick(const LLVector3 &sphere_center, const F32 radius); diff --git a/indra/llmath/llmath.h b/indra/llmath/llmath.h index b93f89d674..cad2461e9c 100755 --- a/indra/llmath/llmath.h +++ b/indra/llmath/llmath.h @@ -75,6 +75,8 @@ const F32 OO_SQRT2 = 0.7071067811865475244008443621049f; const F32 DEG_TO_RAD = 0.017453292519943295769236907684886f; const F32 RAD_TO_DEG = 57.295779513082320876798154814105f; const F32 F_APPROXIMATELY_ZERO = 0.00001f; +const F32 F_LN10 = 2.3025850929940456840179914546844f; +const F32 OO_LN10 = 0.43429448190325182765112891891661; const F32 F_LN2 = 0.69314718056f; const F32 OO_LN2 = 1.4426950408889634073599246810019f; diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index 14cebfe5aa..41914446d1 100755 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -1392,7 +1392,7 @@ void LLPath::genNGon(const LLPathParams& params, S32 sides, F32 startOff, F32 en pt->mScale.mV[VX] = hole_x * lerp(taper_x_begin, taper_x_end, t); pt->mScale.mV[VY] = hole_y * lerp(taper_y_begin, taper_y_end, t); pt->mTexT = t; - + // Twist rotates the path along the x,y plane (I think) - DJS 04/05/02 twist.setQuat (lerp(twist_begin,twist_end,t) * 2.f * F_PI - F_PI,0,0,1); // Rotate the point around the circle's center. @@ -1446,7 +1446,7 @@ void LLPath::genNGon(const LLPathParams& params, S32 sides, F32 startOff, F32 en pt->mScale.mV[VX] = hole_x * lerp(taper_x_begin, taper_x_end, t); pt->mScale.mV[VY] = hole_y * lerp(taper_y_begin, taper_y_end, t); pt->mTexT = t; - + // Twist rotates the path along the x,y plane (I think) - DJS 04/05/02 twist.setQuat (lerp(twist_begin,twist_end,t) * 2.f * F_PI - F_PI,0,0,1); // Rotate the point around the circle's center. @@ -4615,7 +4615,7 @@ S32 LLVolume::lineSegmentIntersect(const LLVector4a& start, const LLVector4a& en n1.add(n2); n1.add(n3); - + *normal = n1; } @@ -6130,7 +6130,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) S32 size = (grid_size+1)*(grid_size+1); resizeVertices(size); - + LLVector4a* pos = (LLVector4a*) mPositions; LLVector4a* norm = (LLVector4a*) mNormals; LLVector2* tc = (LLVector2*) mTexCoords; @@ -6151,7 +6151,7 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build) *pos++ = newVert.getPosition(); *norm++ = baseVert.getNormal(); *tc++ = newVert.mTexCoord; - + if (gx == 0 && gy == 0) { min = newVert.getPosition(); @@ -6227,7 +6227,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) if (!(mTypeMask & HOLLOW_MASK) && !(mTypeMask & OPEN_MASK)) { resizeVertices(num_vertices+1); - + if (!partial_build) { resizeIndices(num_indices+3); @@ -6236,7 +6236,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) else { resizeVertices(num_vertices); - + if (!partial_build) { resizeIndices(num_indices); @@ -6270,7 +6270,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) LLVector2* tc = (LLVector2*) mTexCoords; LLVector4a* pos = (LLVector4a*) mPositions; LLVector4a* norm = (LLVector4a*) mNormals; - + // Copy the vertices into the array for (S32 i = 0; i < num_vertices; i++) { @@ -6552,7 +6552,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) } - + LLVector4a d0,d1; d0.setSub(mPositions[mIndices[1]], mPositions[mIndices[0]]); @@ -6562,13 +6562,13 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) normal.setCross3(d0,d1); if (normal.dot3(normal).getF32() > F_APPROXIMATELY_ZERO) - { + { normal.normalize3fast(); } else { //degenerate, make up a value normal.set(0,0,1); - } + } llassert(llfinite(normal.getF32ptr()[0])); llassert(llfinite(normal.getF32ptr()[1])); @@ -6577,7 +6577,7 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build) llassert(!llisnan(normal.getF32ptr()[0])); llassert(!llisnan(normal.getF32ptr()[1])); llassert(!llisnan(normal.getF32ptr()[2])); - + for (S32 i = 0; i < num_vertices; i++) { norm[i].load4a(normal.getF32ptr()); @@ -6592,7 +6592,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe void LLVolumeFace::createTangents() { if (!mTangents) - { + { allocateTangents(mNumVertices); //generate tangents @@ -6602,7 +6602,7 @@ void LLVolumeFace::createTangents() LLVector4a* end = mTangents+mNumVertices; while (binorm < end) - { + { (*binorm++).clear(); } @@ -7221,7 +7221,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe memset(tan1, 0, vertexCount*2*sizeof(LLVector4a)); for (U32 a = 0; a < triangleCount; a++) - { +{ U32 i1 = *index_array++; U32 i2 = *index_array++; U32 i3 = *index_array++; @@ -7265,7 +7265,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe tan1[i1].add(sdir); tan1[i2].add(sdir); tan1[i3].add(sdir); - + tan2[i1].add(tdir); tan2[i2].add(tdir); tan2[i3].add(tdir); @@ -7279,7 +7279,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe LLVector4a ncrosst; ncrosst.setCross3(n,t); - + // Gram-Schmidt orthogonalize n.mul(n.dot3(t).getF32()); @@ -7287,7 +7287,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe tsubn.setSub(t,n); if (tsubn.dot3(tsubn).getF32() > F_APPROXIMATELY_ZERO) - { + { tsubn.normalize3fast(); // Calculate handedness @@ -7301,7 +7301,7 @@ void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVe { //degenerate, make up a value tangent[a].set(0,0,1,1); } - } + } ll_aligned_free_16(tan1); } diff --git a/indra/llmath/v4color.h b/indra/llmath/v4color.h index b047f86e6e..0d632f59be 100755 --- a/indra/llmath/v4color.h +++ b/indra/llmath/v4color.h @@ -49,10 +49,10 @@ class LLColor4 LLColor4(); // Initializes LLColor4 to (0, 0, 0, 1) LLColor4(F32 r, F32 g, F32 b); // Initializes LLColor4 to (r, g, b, 1) LLColor4(F32 r, F32 g, F32 b, F32 a); // Initializes LLColor4 to (r. g, b, a) - LLColor4(U32 clr); // Initializes LLColor4 to (r=clr>>24, etc)) - LLColor4(const F32 *vec); // Initializes LLColor4 to (vec[0]. vec[1], vec[2], 1) LLColor4(const LLColor3 &vec, F32 a = 1.f); // Initializes LLColor4 to (vec, a) explicit LLColor4(const LLSD& sd); + explicit LLColor4(const F32 *vec); // Initializes LLColor4 to (vec[0]. vec[1], vec[2], 1) + explicit LLColor4(U32 clr); // Initializes LLColor4 to (r=clr>>24, etc)) explicit LLColor4(const LLColor4U& color4u); // "explicit" to avoid automatic conversion explicit LLColor4(const LLVector4& vector4); // "explicit" to avoid automatic conversion |