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-rw-r--r--indra/llmath/llcamera.h1
-rw-r--r--indra/llmath/llvolume.cpp92
-rw-r--r--indra/llmath/llvolume.h7
-rw-r--r--indra/llmath/llvolumeoctree.cpp8
-rw-r--r--indra/llmath/llvolumeoctree.h95
5 files changed, 109 insertions, 94 deletions
diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h
index c4d04f5d02..e1d3536f66 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/llvolume.cpp b/indra/llmath/llvolume.cpp
index e694732da2..2f25a4359d 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -45,13 +45,13 @@
#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
@@ -377,77 +377,6 @@ BOOL LLTriangleRayIntersect(const LLVector3& vert0, const LLVector3& vert1, cons
}
}
-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 (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);
- }
-};
-
//-------------------------------------------------------------------
// statics
//-------------------------------------------------------------------
@@ -5509,7 +5438,6 @@ struct MikktData
}
};
-
bool LLVolumeFace::cacheOptimize(bool gen_tangents)
{ //optimize for vertex cache according to Forsyth method:
LL_PROFILE_ZONE_SCOPED_CATEGORY_VOLUME;
@@ -5687,8 +5615,7 @@ 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];
@@ -5743,7 +5670,7 @@ 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)
@@ -5756,12 +5683,12 @@ 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;
}
@@ -6476,9 +6403,6 @@ 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;
@@ -6496,7 +6420,7 @@ 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 (U32 i = 0; i < mNumVertices; i++)
@@ -7206,7 +7130,7 @@ 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 afed98ff36..cca284d9bc 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"
@@ -913,7 +914,7 @@ 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 +988,7 @@ public:
LLVector3 mNormalizedScale = LLVector3(1,1,1);
private:
- LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* mOctree;
+ LLVolumeOctree* mOctree;
LLVolumeTriangle* mOctreeTriangles;
BOOL createUnCutCubeCap(LLVolume* volume, BOOL partial_build = FALSE);
@@ -1142,6 +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 6894d04d3c..95c7cb0b5c 100644
--- a/indra/llmath/llvolumeoctree.cpp
+++ b/indra/llmath/llvolumeoctree.cpp
@@ -92,15 +92,15 @@ 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)
{
@@ -139,7 +139,7 @@ void LLOctreeTriangleRayIntersect::visit(const LLOctreeNode<LLVolumeTriangle, LL
{
*mClosestT = t;
mHitFace = true;
-
+ mHitTriangle = tri;
if (mIntersection != NULL)
{
LLVector4a intersect = mDir;
diff --git a/indra/llmath/llvolumeoctree.h b/indra/llmath/llvolumeoctree.h
index d65bca5e52..d6f536b9ca 100644
--- a/indra/llmath/llvolumeoctree.h
+++ b/indra/llmath/llvolumeoctree.h
@@ -112,7 +112,6 @@ public:
class LLOctreeTriangleRayIntersect : public LLOctreeTraveler<LLVolumeTriangle, LLVolumeTriangle*>
{
public:
- const LLVolumeFace* mFace;
LLVector4a mStart;
LLVector4a mDir;
LLVector4a mEnd;
@@ -121,10 +120,13 @@ 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,
+ LLOctreeTriangleRayIntersect(const LLVector4a& start, const LLVector4a& dir,
+ LLVolumeFace* face,
+ F32* closest_t,
LLVector4a* intersection,LLVector2* tex_coord, LLVector4a* normal, LLVector4a* tangent);
void traverse(const LLOctreeNode<LLVolumeTriangle, LLVolumeTriangle*>* node);
@@ -137,4 +139,91 @@ 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 2024-12-13 10:14:14 +0000