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-rw-r--r--indra/llmath/llcamera.h1
-rw-r--r--indra/llmath/llmatrix4a.h38
-rw-r--r--indra/llmath/llvector4a.h43
-rw-r--r--indra/llmath/llvolume.cpp189
-rw-r--r--indra/llmath/llvolume.h13
-rw-r--r--indra/llmath/llvolumeoctree.cpp14
-rw-r--r--indra/llmath/llvolumeoctree.h101
7 files changed, 234 insertions, 165 deletions
diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h
index 3b52810855..b6e0e4a2be 100644
--- a/indra/llmath/llcamera.h
+++ b/indra/llmath/llcamera.h
@@ -65,7 +65,6 @@ class LLCamera
: public LLCoordFrame
{
public:
-
LLCamera(const LLCamera& rhs)
{
*this = rhs;
diff --git a/indra/llmath/llmatrix4a.h b/indra/llmath/llmatrix4a.h
index 348feba27e..3b423f783a 100644
--- a/indra/llmath/llmatrix4a.h
+++ b/indra/llmath/llmatrix4a.h
@@ -46,6 +46,34 @@ public:
loadu(val);
}
+ explicit LLMatrix4a(const F32* val)
+ {
+ loadu(val);
+ }
+
+ static const LLMatrix4a& identity()
+ {
+ static const F32 v[] =
+ { 1.f, 0.f, 0.f, 0.f,
+ 0.f, 1.f, 0.f, 0.f,
+ 0.f, 0.f, 1.f, 0.f,
+ 0.f, 0.f, 0.f, 1.f
+ };
+ static LLMatrix4a identity_mat(v);
+
+ return identity_mat;
+ }
+
+ bool operator==(const LLMatrix4a& rhs) const
+ {
+ return mMatrix[0] == rhs.mMatrix[0] && mMatrix[1] == rhs.mMatrix[1] && mMatrix[2] == rhs.mMatrix[2] && mMatrix[3] == rhs.mMatrix[3];
+ }
+
+ bool operator!=(const LLMatrix4a& rhs) const
+ {
+ return !(*this == rhs);
+ }
+
inline F32* getF32ptr()
{
return (F32*) &mMatrix;
@@ -56,6 +84,16 @@ public:
return (F32*)&mMatrix;
}
+ inline LLMatrix4& asMatrix4()
+ {
+ return *(LLMatrix4*)this;
+ }
+
+ inline const LLMatrix4& asMatrix4() const
+ {
+ return *(LLMatrix4*)this;
+ }
+
inline void clear()
{
mMatrix[0].clear();
diff --git a/indra/llmath/llvector4a.h b/indra/llmath/llvector4a.h
index ea80b33e2d..8ef560dadf 100644
--- a/indra/llmath/llvector4a.h
+++ b/indra/llmath/llvector4a.h
@@ -117,6 +117,49 @@ public:
mQ = q;
}
+ bool operator==(const LLVector4a& rhs) const
+ {
+ return equals4(rhs);
+ }
+
+ bool operator!=(const LLVector4a& rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ const LLVector4a& operator+=(const LLVector4a& rhs)
+ {
+ add(rhs);
+ return *this;
+ }
+
+ const LLVector4a& operator-=(const LLVector4a& rhs)
+ {
+ sub(rhs);
+ return *this;
+ }
+
+ LLVector4a operator+(const LLVector4a& rhs) const
+ {
+ LLVector4a result = *this;
+ result.add(rhs);
+ return result;
+ }
+
+ LLVector4a operator-(const LLVector4a& rhs) const
+ {
+ LLVector4a result = *this;
+ result.sub(rhs);
+ return result;
+ }
+
+ LLVector4a cross3(const LLVector4a& b) const
+ {
+ LLVector4a result;
+ result.setCross3(*this, b);
+ return result;
+ }
+
////////////////////////////////////
// LOAD/STORE
////////////////////////////////////
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 8579e6becc..f3db9424d9 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -45,16 +45,15 @@
#include "llmatrix3a.h"
#include "lloctree.h"
#include "llvolume.h"
-#include "llvolumeoctree.h"
#include "llstl.h"
#include "llsdserialize.h"
#include "llvector4a.h"
#include "llmatrix4a.h"
#include "llmeshoptimizer.h"
#include "lltimer.h"
+#include "llvolumeoctree.h"
-#include "mikktspace/mikktspace.h"
-#include "mikktspace/mikktspace.c" // insert mikktspace implementation into llvolume object file
+#include "mikktspace/mikktspace.hh"
#include "meshoptimizer/meshoptimizer.h"
@@ -354,77 +353,6 @@ bool LLTriangleRayIntersectTwoSided(const LLVector4a& vert0, const LLVector4a& v
return true;
}
-class LLVolumeOctreeRebound : public LLOctreeTravelerDepthFirst<LLVolumeTriangle, LLVolumeTriangle*>
-{
-public:
- const LLVolumeFace* mFace;
-
- LLVolumeOctreeRebound(const LLVolumeFace* face)
- {
- mFace = face;
- }
-
- virtual void visit(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* branch)
- { //this is a depth first traversal, so it's safe to assum all children have complete
- //bounding data
- LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME
-
- LLVolumeOctreeListener* node = (LLVolumeOctreeListener*) branch->getListener(0);
-
- LLVector4a& min = node->mExtents[0];
- LLVector4a& max = node->mExtents[1];
-
- if (!branch->isEmpty())
- { //node has data, find AABB that binds data set
- const LLVolumeTriangle* tri = *(branch->getDataBegin());
-
- //initialize min/max to first available vertex
- min = *(tri->mV[0]);
- max = *(tri->mV[0]);
-
- for (LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>::const_element_iter iter = branch->getDataBegin(); iter != branch->getDataEnd(); ++iter)
- { //for each triangle in node
-
- //stretch by triangles in node
- tri = *iter;
-
- min.setMin(min, *tri->mV[0]);
- min.setMin(min, *tri->mV[1]);
- min.setMin(min, *tri->mV[2]);
-
- max.setMax(max, *tri->mV[0]);
- max.setMax(max, *tri->mV[1]);
- max.setMax(max, *tri->mV[2]);
- }
- }
- else if (branch->getChildCount() > 0)
- { //no data, but child nodes exist
- LLVolumeOctreeListener* child = (LLVolumeOctreeListener*) branch->getChild(0)->getListener(0);
-
- //initialize min/max to extents of first child
- min = child->mExtents[0];
- max = child->mExtents[1];
- }
- else
- {
- llassert(!branch->isLeaf()); // Empty leaf
- }
-
- for (U32 i = 0; i < branch->getChildCount(); ++i)
- { //stretch by child extents
- LLVolumeOctreeListener* child = (LLVolumeOctreeListener*) branch->getChild(i)->getListener(0);
- min.setMin(min, child->mExtents[0]);
- max.setMax(max, child->mExtents[1]);
- }
-
- node->mBounds[0].setAdd(min, max);
- node->mBounds[0].mul(0.5f);
-
- node->mBounds[1].setSub(max,min);
- node->mBounds[1].mul(0.5f);
- }
-};
-
//-------------------------------------------------------------------
// statics
//-------------------------------------------------------------------
@@ -5469,8 +5397,41 @@ struct MikktData
}
}
}
-};
+ uint32_t GetNumFaces()
+ {
+ return uint32_t(face->mNumIndices / 3);
+ }
+
+ uint32_t GetNumVerticesOfFace(const uint32_t face_num)
+ {
+ return 3;
+ }
+
+ mikk::float3 GetPosition(const uint32_t face_num, const uint32_t vert_num)
+ {
+ F32* v = p[face_num * 3 + vert_num].mV;
+ return mikk::float3(v);
+ }
+
+ mikk::float3 GetTexCoord(const uint32_t face_num, const uint32_t vert_num)
+ {
+ F32* uv = tc[face_num * 3 + vert_num].mV;
+ return mikk::float3(uv[0], uv[1], 1.0f);
+ }
+
+ mikk::float3 GetNormal(const uint32_t face_num, const uint32_t vert_num)
+ {
+ F32* normal = n[face_num * 3 + vert_num].mV;
+ return mikk::float3(normal);
+ }
+
+ void SetTangentSpace(const uint32_t face_num, const uint32_t vert_num, mikk::float3 T, bool orientation)
+ {
+ S32 i = face_num * 3 + vert_num;
+ t[i].set(T.x, T.y, T.z, orientation ? 1.0f : -1.0f);
+ }
+};
bool LLVolumeFace::cacheOptimize(bool gen_tangents)
{ //optimize for vertex cache according to Forsyth method:
@@ -5482,62 +5443,9 @@ bool LLVolumeFace::cacheOptimize(bool gen_tangents)
{ // generate mikkt space tangents before cache optimizing since the index buffer may change
// a bit of a hack to do this here, but this function gets called exactly once for the lifetime of a mesh
// and is executed on a background thread
- SMikkTSpaceInterface ms;
-
- ms.m_getNumFaces = [](const SMikkTSpaceContext* pContext)
- {
- MikktData* data = (MikktData*)pContext->m_pUserData;
- LLVolumeFace* face = data->face;
- return face->mNumIndices / 3;
- };
-
- ms.m_getNumVerticesOfFace = [](const SMikkTSpaceContext* pContext, const int iFace)
- {
- return 3;
- };
-
- ms.m_getPosition = [](const SMikkTSpaceContext* pContext, float fvPosOut[], const int iFace, const int iVert)
- {
- MikktData* data = (MikktData*)pContext->m_pUserData;
- F32* v = data->p[iFace * 3 + iVert].mV;
- fvPosOut[0] = v[0];
- fvPosOut[1] = v[1];
- fvPosOut[2] = v[2];
- };
-
- ms.m_getNormal = [](const SMikkTSpaceContext* pContext, float fvNormOut[], const int iFace, const int iVert)
- {
- MikktData* data = (MikktData*)pContext->m_pUserData;
- F32* n = data->n[iFace * 3 + iVert].mV;
- fvNormOut[0] = n[0];
- fvNormOut[1] = n[1];
- fvNormOut[2] = n[2];
- };
-
- ms.m_getTexCoord = [](const SMikkTSpaceContext* pContext, float fvTexcOut[], const int iFace, const int iVert)
- {
- MikktData* data = (MikktData*)pContext->m_pUserData;
- F32* tc = data->tc[iFace * 3 + iVert].mV;
- fvTexcOut[0] = tc[0];
- fvTexcOut[1] = tc[1];
- };
-
- ms.m_setTSpaceBasic = [](const SMikkTSpaceContext* pContext, const float fvTangent[], const float fSign, const int iFace, const int iVert)
- {
- MikktData* data = (MikktData*)pContext->m_pUserData;
- S32 i = iFace * 3 + iVert;
-
- data->t[i].set(fvTangent);
- data->t[i].mV[3] = fSign;
- };
-
- ms.m_setTSpace = nullptr;
-
MikktData data(this);
-
- SMikkTSpaceContext ctx = { &ms, &data };
-
- genTangSpaceDefault(&ctx);
+ mikk::Mikktspace ctx(data);
+ ctx.genTangSpace();
//re-weld
meshopt_Stream mos[] =
@@ -5558,9 +5466,6 @@ bool LLVolumeFace::cacheOptimize(bool gen_tangents)
if (vert_count < 65535 && vert_count != 0)
{
- std::vector<U32> indices;
- indices.resize(mNumIndices);
-
//copy results back into volume
resizeVertices(vert_count);
@@ -5649,8 +5554,7 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe
llassert(mNumIndices % 3 == 0);
- mOctree = new LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>(center, size, NULL);
- new LLVolumeOctreeListener(mOctree);
+ mOctree = new LLVolumeOctree(center, size);
const U32 num_triangles = mNumIndices / 3;
// Initialize all the triangles we need
mOctreeTriangles = new LLVolumeTriangle[num_triangles];
@@ -5705,7 +5609,7 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe
while (!mOctree->balance()) { }
//calculate AABB for each node
- LLVolumeOctreeRebound rebound(this);
+ LLVolumeOctreeRebound rebound;
rebound.traverse(mOctree);
if (gDebugGL)
@@ -5718,12 +5622,12 @@ void LLVolumeFace::createOctree(F32 scaler, const LLVector4a& center, const LLVe
void LLVolumeFace::destroyOctree()
{
delete mOctree;
- mOctree = NULL;
+ mOctree = nullptr;
delete[] mOctreeTriangles;
- mOctreeTriangles = NULL;
+ mOctreeTriangles = nullptr;
}
-const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* LLVolumeFace::getOctree() const
+const LLVolumeOctree* LLVolumeFace::getOctree() const
{
return mOctree;
}
@@ -6438,9 +6342,6 @@ bool LLVolumeFace::createCap(LLVolume* volume, bool partial_build)
return true;
}
-void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal,
- const LLVector2 *texcoord, U32 triangleCount, const U16* index_array, LLVector4a *tangent);
-
void LLVolumeFace::createTangents()
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME;
@@ -6458,7 +6359,7 @@ void LLVolumeFace::createTangents()
(*ptr++).clear();
}
- CalculateTangentArray(mNumVertices, mPositions, mNormals, mTexCoords, mNumIndices / 3, mIndices, mTangents);
+ LLCalculateTangentArray(mNumVertices, mPositions, mNormals, mTexCoords, mNumIndices / 3, mIndices, mTangents);
//normalize normals
for (S32 i = 0; i < mNumVertices; i++)
@@ -7186,7 +7087,7 @@ bool LLVolumeFace::createSide(LLVolume* volume, bool partial_build)
}
//adapted from Lengyel, Eric. "Computing Tangent Space Basis Vectors for an Arbitrary Mesh". Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
-void CalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal,
+void LLCalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal,
const LLVector2 *texcoord, U32 triangleCount, const U16* index_array, LLVector4a *tangent)
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index e812e5f0cc..bbb2a16b0b 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -41,6 +41,7 @@ template <class T, typename T_PTR> class LLOctreeNode;
class LLVolumeFace;
class LLVolume;
class LLVolumeTriangle;
+class LLVolumeOctree;
#include "lluuid.h"
#include "v4color.h"
@@ -189,11 +190,13 @@ constexpr U8 LL_SCULPT_TYPE_TORUS = 2;
constexpr U8 LL_SCULPT_TYPE_PLANE = 3;
constexpr U8 LL_SCULPT_TYPE_CYLINDER = 4;
constexpr U8 LL_SCULPT_TYPE_MESH = 5;
+constexpr U8 LL_SCULPT_TYPE_GLTF = 6;
+constexpr U8 LL_SCULPT_TYPE_MAX = LL_SCULPT_TYPE_GLTF;
+
constexpr 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;
+ LL_SCULPT_TYPE_CYLINDER | LL_SCULPT_TYPE_MESH | LL_SCULPT_TYPE_GLTF;
// for value checks, assign new value after adding new types
-constexpr U8 LL_SCULPT_TYPE_MAX = LL_SCULPT_TYPE_MESH;
constexpr U8 LL_SCULPT_FLAG_INVERT = 64;
constexpr U8 LL_SCULPT_FLAG_MIRROR = 128;
@@ -913,7 +916,7 @@ public:
void createOctree(F32 scaler = 0.25f, const LLVector4a& center = LLVector4a(0,0,0), const LLVector4a& size = LLVector4a(0.5f,0.5f,0.5f));
void destroyOctree();
// Get a reference to the octree, which may be null
- const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* getOctree() const;
+ const LLVolumeOctree* getOctree() const;
enum
{
@@ -987,7 +990,7 @@ public:
LLVector3 mNormalizedScale = LLVector3(1,1,1);
private:
- LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* mOctree;
+ LLVolumeOctree* mOctree;
LLVolumeTriangle* mOctreeTriangles;
bool createUnCutCubeCap(LLVolume* volume, bool partial_build = false);
@@ -1140,6 +1143,8 @@ public:
std::ostream& operator<<(std::ostream &s, const LLVolumeParams &volume_params);
+void LLCalculateTangentArray(U32 vertexCount, const LLVector4a *vertex, const LLVector4a *normal, const LLVector2 *texcoord, U32 triangleCount, const U16* index_array, LLVector4a *tangent);
+
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);
diff --git a/indra/llmath/llvolumeoctree.cpp b/indra/llmath/llvolumeoctree.cpp
index abcd47ea23..71288daa89 100644
--- a/indra/llmath/llvolumeoctree.cpp
+++ b/indra/llmath/llvolumeoctree.cpp
@@ -91,15 +91,15 @@ void LLVolumeOctreeListener::handleChildAddition(const LLOctreeNode<LLVolumeTria
}
LLOctreeTriangleRayIntersect::LLOctreeTriangleRayIntersect(const LLVector4a& start, const LLVector4a& dir,
- const LLVolumeFace* face, F32* closest_t,
+ LLVolumeFace* face, F32* closest_t,
LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent)
- : mFace(face),
- mStart(start),
+ : mStart(start),
mDir(dir),
mIntersection(intersection),
mTexCoord(tex_coord),
mNormal(normal),
mTangent(tangent),
+ mFace(face),
mClosestT(closest_t),
mHitFace(false)
{
@@ -138,7 +138,7 @@ void LLOctreeTriangleRayIntersect::visit(const LLOctreeNode<LLVolumeTriangle, LL
{
*mClosestT = t;
mHitFace = true;
-
+ mHitTriangle = tri;
if (mIntersection != NULL)
{
LLVector4a intersect = mDir;
@@ -151,7 +151,7 @@ void LLOctreeTriangleRayIntersect::visit(const LLOctreeNode<LLVolumeTriangle, LL
U32 idx1 = tri->mIndex[1];
U32 idx2 = tri->mIndex[2];
- if (mTexCoord != NULL)
+ if (mTexCoord != NULL && mFace->mTexCoords)
{
LLVector2* tc = (LLVector2*) mFace->mTexCoords;
*mTexCoord = ((1.f - a - b) * tc[idx0] +
@@ -160,7 +160,7 @@ void LLOctreeTriangleRayIntersect::visit(const LLOctreeNode<LLVolumeTriangle, LL
}
- if (mNormal != NULL)
+ if (mNormal != NULL && mFace->mNormals)
{
LLVector4a* norm = mFace->mNormals;
@@ -180,7 +180,7 @@ void LLOctreeTriangleRayIntersect::visit(const LLOctreeNode<LLVolumeTriangle, LL
*mNormal = n1;
}
- if (mTangent != NULL)
+ if (mTangent != NULL && mFace->mTangents)
{
LLVector4a* tangents = mFace->mTangents;
diff --git a/indra/llmath/llvolumeoctree.h b/indra/llmath/llvolumeoctree.h
index 96918912ed..838e1d3db0 100644
--- a/indra/llmath/llvolumeoctree.h
+++ b/indra/llmath/llvolumeoctree.h
@@ -48,12 +48,6 @@ public:
*this = rhs;
}
- const LLVolumeTriangle& operator=(const LLVolumeTriangle& rhs)
- {
- LL_ERRS() << "Illegal operation!" << LL_ENDL;
- return *this;
- }
-
~LLVolumeTriangle()
{
@@ -62,7 +56,7 @@ public:
LL_ALIGN_16(LLVector4a mPositionGroup);
const LLVector4a* mV[3];
- U16 mIndex[3];
+ U32 mIndex[3];
F32 mRadius;
mutable S32 mBinIndex;
@@ -112,7 +106,6 @@ public:
class LLOctreeTriangleRayIntersect : public LLOctreeTraveler<LLVolumeTriangle, LLVolumeTriangle*>
{
public:
- const LLVolumeFace* mFace;
LLVector4a mStart;
LLVector4a mDir;
LLVector4a mEnd;
@@ -121,10 +114,13 @@ public:
LLVector4a* mNormal;
LLVector4a* mTangent;
F32* mClosestT;
+ LLVolumeFace* mFace;
bool mHitFace;
+ const LLVolumeTriangle* mHitTriangle = nullptr;
LLOctreeTriangleRayIntersect(const LLVector4a& start, const LLVector4a& dir,
- const LLVolumeFace* face, F32* closest_t,
+ LLVolumeFace* face,
+ F32* closest_t,
LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent);
void traverse(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* node);
@@ -137,4 +133,91 @@ class LLVolumeOctreeValidate : public LLOctreeTraveler<LLVolumeTriangle, LLVolum
virtual void visit(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* branch);
};
+class LLVolumeOctreeRebound : public LLOctreeTravelerDepthFirst<LLVolumeTriangle, LLVolumeTriangle*>
+{
+public:
+ LLVolumeOctreeRebound()
+ {
+ }
+
+ virtual void visit(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* branch)
+ { //this is a depth first traversal, so it's safe to assum all children have complete
+ //bounding data
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME
+
+ LLVolumeOctreeListener* node = (LLVolumeOctreeListener*)branch->getListener(0);
+
+ LLVector4a& min = node->mExtents[0];
+ LLVector4a& max = node->mExtents[1];
+
+ if (!branch->isEmpty())
+ { //node has data, find AABB that binds data set
+ const LLVolumeTriangle* tri = *(branch->getDataBegin());
+
+ //initialize min/max to first available vertex
+ min = *(tri->mV[0]);
+ max = *(tri->mV[0]);
+
+ for (LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>::const_element_iter iter = branch->getDataBegin(); iter != branch->getDataEnd(); ++iter)
+ { //for each triangle in node
+
+ //stretch by triangles in node
+ tri = *iter;
+
+ min.setMin(min, *tri->mV[0]);
+ min.setMin(min, *tri->mV[1]);
+ min.setMin(min, *tri->mV[2]);
+
+ max.setMax(max, *tri->mV[0]);
+ max.setMax(max, *tri->mV[1]);
+ max.setMax(max, *tri->mV[2]);
+ }
+ }
+ else if (branch->getChildCount() > 0)
+ { //no data, but child nodes exist
+ LLVolumeOctreeListener* child = (LLVolumeOctreeListener*)branch->getChild(0)->getListener(0);
+
+ //initialize min/max to extents of first child
+ min = child->mExtents[0];
+ max = child->mExtents[1];
+ }
+ else
+ {
+ llassert(!branch->isLeaf()); // Empty leaf
+ }
+
+ for (S32 i = 0; i < branch->getChildCount(); ++i)
+ { //stretch by child extents
+ LLVolumeOctreeListener* child = (LLVolumeOctreeListener*)branch->getChild(i)->getListener(0);
+ min.setMin(min, child->mExtents[0]);
+ max.setMax(max, child->mExtents[1]);
+ }
+
+ node->mBounds[0].setAdd(min, max);
+ node->mBounds[0].mul(0.5f);
+
+ node->mBounds[1].setSub(max, min);
+ node->mBounds[1].mul(0.5f);
+ }
+};
+
+class LLVolumeOctree : public LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>, public LLRefCount
+{
+public:
+ LLVolumeOctree(const LLVector4a& center, const LLVector4a& size)
+ :
+ LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>(center, size, nullptr),
+ LLRefCount()
+ {
+ new LLVolumeOctreeListener(this);
+ }
+
+ LLVolumeOctree()
+ : LLOctreeRoot<LLVolumeTriangle, LLVolumeTriangle*>(LLVector4a::getZero(), LLVector4a(1.f,1.f,1.f), nullptr),
+ LLRefCount()
+ {
+ new LLVolumeOctreeListener(this);
+ }
+};
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 06:22:05 +0000