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Cleanup and some speed improvements.

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git-svn-id: http://svn.code.sf.net/p/irrlicht/code/trunk@1440 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
hybrid 2008-07-31 17:24:27 +00:00
parent 5078125dcc
commit 986a233dbf
4 changed files with 115 additions and 163 deletions
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144
source/Irrlicht/COctTreeSceneNode.cpp
View File

@ -24,7 +24,6 @@ COctTreeSceneNode::COctTreeSceneNode(ISceneNode* parent, ISceneManager* mgr,
s32 id, s32 minimalPolysPerNode)
: ISceneNode(parent, mgr, id), StdOctTree(0), LightMapOctTree(0), TangentsOctTree(0),
MinimalPolysPerNode(minimalPolysPerNode)
//,Mesh(0)
{
#ifdef _DEBUG
setDebugName("COctTreeSceneNode");
@ -34,18 +33,13 @@ COctTreeSceneNode::COctTreeSceneNode(ISceneNode* parent, ISceneManager* mgr,
}
//! destructor
COctTreeSceneNode::~COctTreeSceneNode()
{
//if (Mesh)
// Mesh->drop();
deleteTree();
}
void COctTreeSceneNode::OnRegisterSceneNode()
{
if (IsVisible)
@ -58,13 +52,13 @@ void COctTreeSceneNode::OnRegisterSceneNode()
video::IVideoDriver* driver = SceneManager->getVideoDriver();
PassCount = 0;
int transparentCount = 0;
int solidCount = 0;
u32 transparentCount = 0;
u32 solidCount = 0;
// count transparent and solid materials in this scene node
for (u32 i=0; i<Materials.size(); ++i)
{
video::IMaterialRenderer* rnd =
const video::IMaterialRenderer* const rnd =
driver->getMaterialRenderer(Materials[i].MaterialType);
if (rnd && rnd->isTransparent())
@ -89,7 +83,6 @@ void COctTreeSceneNode::OnRegisterSceneNode()
}
//! renders the node.
void COctTreeSceneNode::render()
{
@ -127,15 +120,15 @@ void COctTreeSceneNode::render()
//StdOctTree->calculatePolys(box);
StdOctTree->calculatePolys(frust);
OctTree<video::S3DVertex>::SIndexData* d = StdOctTree->getIndexData();
const OctTree<video::S3DVertex>::SIndexData* d = StdOctTree->getIndexData();
for (u32 i=0; i<Materials.size(); ++i)
{
if ( 0 == d[i].CurrentSize )
continue;
video::IMaterialRenderer* rnd = driver->getMaterialRenderer(Materials[i].MaterialType);
bool transparent = (rnd && rnd->isTransparent());
const video::IMaterialRenderer* const rnd = driver->getMaterialRenderer(Materials[i].MaterialType);
const bool transparent = (rnd && rnd->isTransparent());
// only render transparent buffer if this is the transparent render pass
// and solid only in solid pass
@ -149,40 +142,39 @@ void COctTreeSceneNode::render()
}
// for debug purposes only
if ( DebugDataVisible && !Materials.empty() && PassCount==1)
if (DebugDataVisible && !Materials.empty() && PassCount==1)
{
const core::aabbox3d<float> &box = frust.getBoundingBox();
core::array< core::aabbox3d<f32> > boxes;
const core::aabbox3df& box = frust.getBoundingBox();
core::array< const core::aabbox3d<f32>* > boxes;
video::SMaterial m;
m.Lighting = false;
driver->setMaterial(m);
if ( DebugDataVisible & scene::EDS_BBOX_BUFFERS )
{
StdOctTree->renderBoundingBoxes(box, boxes);
for (u32 b=0; b<boxes.size(); ++b)
driver->draw3DBox(boxes[b], video::SColor(0,255,255,255));
StdOctTree->getBoundingBoxes(box, boxes);
for (u32 b=0; b!=boxes.size(); ++b)
driver->draw3DBox(*boxes[b]);
}
if ( DebugDataVisible & scene::EDS_BBOX )
driver->draw3DBox(Box,video::SColor(0,255,0,0));
}
break;
}
break;
case video::EVT_2TCOORDS:
{
//LightMapOctTree->calculatePolys(box);
LightMapOctTree->calculatePolys(frust);
OctTree<video::S3DVertex2TCoords>::SIndexData* d = LightMapOctTree->getIndexData();
const OctTree<video::S3DVertex2TCoords>::SIndexData* d = LightMapOctTree->getIndexData();
for (u32 i=0; i<Materials.size(); ++i)
{
if ( 0 == d[i].CurrentSize )
continue;
video::IMaterialRenderer* rnd = driver->getMaterialRenderer(Materials[i].MaterialType);
bool transparent = (rnd && rnd->isTransparent());
const video::IMaterialRenderer* const rnd = driver->getMaterialRenderer(Materials[i].MaterialType);
const bool transparent = (rnd && rnd->isTransparent());
// only render transparent buffer if this is the transparent render pass
// and solid only in solid pass
@ -199,15 +191,15 @@ void COctTreeSceneNode::render()
if (DebugDataVisible && !Materials.empty() && PassCount==1)
{
const core::aabbox3d<float> &box = frust.getBoundingBox();
core::array< core::aabbox3d<f32> > boxes;
core::array< const core::aabbox3d<f32>* > boxes;
video::SMaterial m;
m.Lighting = false;
driver->setMaterial(m);
if ( DebugDataVisible & scene::EDS_BBOX_BUFFERS )
{
LightMapOctTree->renderBoundingBoxes(box, boxes);
LightMapOctTree->getBoundingBoxes(box, boxes);
for (u32 b=0; b<boxes.size(); ++b)
driver->draw3DBox(boxes[b], video::SColor(0,255,255,255));
driver->draw3DBox(*boxes[b]);
}
if ( DebugDataVisible & scene::EDS_BBOX )
@ -220,15 +212,15 @@ void COctTreeSceneNode::render()
//TangentsOctTree->calculatePolys(box);
TangentsOctTree->calculatePolys(frust);
OctTree<video::S3DVertexTangents>::SIndexData* d = TangentsOctTree->getIndexData();
const OctTree<video::S3DVertexTangents>::SIndexData* d = TangentsOctTree->getIndexData();
for (u32 i=0; i<Materials.size(); ++i)
{
if ( 0 == d[i].CurrentSize )
continue;
video::IMaterialRenderer* rnd = driver->getMaterialRenderer(Materials[i].MaterialType);
bool transparent = (rnd && rnd->isTransparent());
const video::IMaterialRenderer* const rnd = driver->getMaterialRenderer(Materials[i].MaterialType);
const bool transparent = (rnd && rnd->isTransparent());
// only render transparent buffer if this is the transparent render pass
// and solid only in solid pass
@ -245,15 +237,15 @@ void COctTreeSceneNode::render()
if (DebugDataVisible && !Materials.empty() && PassCount==1)
{
const core::aabbox3d<float> &box = frust.getBoundingBox();
core::array< core::aabbox3d<f32> > boxes;
core::array< const core::aabbox3d<f32>* > boxes;
video::SMaterial m;
m.Lighting = false;
driver->setMaterial(m);
if ( DebugDataVisible & scene::EDS_BBOX_BUFFERS )
{
TangentsOctTree->renderBoundingBoxes(box, boxes);
TangentsOctTree->getBoundingBoxes(box, boxes);
for (u32 b=0; b<boxes.size(); ++b)
driver->draw3DBox(boxes[b], video::SColor(0,255,255,255));
driver->draw3DBox(*boxes[b]);
}
if ( DebugDataVisible & scene::EDS_BBOX )
@ -278,12 +270,7 @@ bool COctTreeSceneNode::createTree(IMesh* mesh)
if (!mesh)
return false;
//if (Mesh)
// Mesh->drop();
MeshName = SceneManager->getMeshCache()->getMeshFilename( mesh );
// Mesh = mesh;
// Mesh->grab();
deleteTree();
@ -309,25 +296,25 @@ bool COctTreeSceneNode::createTree(IMesh* mesh)
{
Materials.push_back(b->getMaterial());
OctTree<video::S3DVertex>::SMeshChunk chunk;
chunk.MaterialId = Materials.size() - 1;
StdMeshes.push_back(chunk);
OctTree<video::S3DVertex>::SMeshChunk &nchunk = StdMeshes[StdMeshes.size()-1];
StdMeshes.push_back(OctTree<video::S3DVertex>::SMeshChunk());
OctTree<video::S3DVertex>::SMeshChunk &nchunk = StdMeshes.getLast();
nchunk.MaterialId = Materials.size() - 1;
u32 v;
nchunk.Vertices.reallocate(b->getVertexCount());
for (v=0; v<b->getVertexCount(); ++v)
nchunk.Vertices.push_back(((video::S3DVertex*)b->getVertices())[v]);
polyCount += b->getIndexCount();
nchunk.Indices.reallocate(b->getIndexCount());
for (v=0; v<b->getIndexCount(); ++v)
nchunk.Indices.push_back(b->getIndices()[v]);
}
}
StdOctTree = new OctTree<video::S3DVertex>(StdMeshes, MinimalPolysPerNode);
nodeCount = StdOctTree->nodeCount;
nodeCount = StdOctTree->getNodeCount();
}
break;
case video::EVT_2TCOORDS:
@ -339,27 +326,24 @@ bool COctTreeSceneNode::createTree(IMesh* mesh)
if (b->getVertexCount() && b->getIndexCount())
{
Materials.push_back(b->getMaterial());
OctTree<video::S3DVertex2TCoords>::SMeshChunk chunk;
chunk.MaterialId = Materials.size() - 1;
LightMapMeshes.push_back(chunk);
OctTree<video::S3DVertex2TCoords>::SMeshChunk& nchunk =
LightMapMeshes[LightMapMeshes.size()-1];
LightMapMeshes.push_back(OctTree<video::S3DVertex2TCoords>::SMeshChunk());
OctTree<video::S3DVertex2TCoords>::SMeshChunk& nchunk = LightMapMeshes.getLast();
nchunk.MaterialId = Materials.size() - 1;
u32 v;
nchunk.Vertices.reallocate(b->getVertexCount());
for (v=0; v<b->getVertexCount(); ++v)
nchunk.Vertices.push_back(((video::S3DVertex2TCoords*)b->getVertices())[v]);
polyCount += b->getIndexCount();
nchunk.Indices.reallocate(b->getIndexCount());
for (v=0; v<b->getIndexCount(); ++v)
nchunk.Indices.push_back(b->getIndices()[v]);
}
}
LightMapOctTree = new OctTree<video::S3DVertex2TCoords>(LightMapMeshes, MinimalPolysPerNode);
nodeCount = LightMapOctTree->nodeCount;
nodeCount = LightMapOctTree->getNodeCount();
}
break;
case video::EVT_TANGENTS:
@ -371,27 +355,24 @@ bool COctTreeSceneNode::createTree(IMesh* mesh)
if (b->getVertexCount() && b->getIndexCount())
{
Materials.push_back(b->getMaterial());
OctTree<video::S3DVertexTangents>::SMeshChunk chunk;
chunk.MaterialId = Materials.size() - 1;
TangentsMeshes.push_back(chunk);
OctTree<video::S3DVertexTangents>::SMeshChunk& nchunk =
TangentsMeshes[TangentsMeshes.size()-1];
TangentsMeshes.push_back(OctTree<video::S3DVertexTangents>::SMeshChunk());
OctTree<video::S3DVertexTangents>::SMeshChunk& nchunk = TangentsMeshes.getLast();
nchunk.MaterialId = Materials.size() - 1;
u32 v;
nchunk.Vertices.reallocate(b->getVertexCount());
for (v=0; v<b->getVertexCount(); ++v)
nchunk.Vertices.push_back(((video::S3DVertexTangents*)b->getVertices())[v]);
polyCount += b->getIndexCount();
nchunk.Indices.reallocate(b->getIndexCount());
for (v=0; v<b->getIndexCount(); ++v)
nchunk.Indices.push_back(b->getIndices()[v]);
}
}
TangentsOctTree = new OctTree<video::S3DVertexTangents>(TangentsMeshes, MinimalPolysPerNode);
nodeCount = TangentsOctTree->nodeCount;
nodeCount = TangentsOctTree->getNodeCount();
}
break;
}
@ -420,6 +401,7 @@ video::SMaterial& COctTreeSceneNode::getMaterial(u32 i)
return Materials[i];
}
//! returns amount of materials used by this scene node.
u32 COctTreeSceneNode::getMaterialCount() const
{
@ -432,50 +414,33 @@ void COctTreeSceneNode::serializeAttributes(io::IAttributes* out, io::SAttribute
{
ISceneNode::serializeAttributes(out, options);
out->addInt ("MinimalPolysPerNode", MinimalPolysPerNode);
//out->addString("Mesh", SceneManager->getMeshCache()->getMeshFilename(Mesh));
out->addInt("MinimalPolysPerNode", MinimalPolysPerNode);
out->addString("Mesh", MeshName.c_str());
}
//! Reads attributes of the scene node.
void COctTreeSceneNode::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
{
int oldMinimal = MinimalPolysPerNode;
//core::stringc oldMeshStr = SceneManager->getMeshCache()->getMeshFilename(Mesh);
core::stringc oldMeshStr = MeshName;
const s32 oldMinimal = MinimalPolysPerNode;
MinimalPolysPerNode = in->getAttributeAsInt("MinimalPolysPerNode");
core::stringc newMeshStr = in->getAttributeAsString("Mesh");
bool loadedNewMesh = false;
IMesh* newMesh = 0;
if (newMeshStr != "" && oldMeshStr != newMeshStr)
{
IAnimatedMesh* newAnimatedMesh = SceneManager->getMesh(newMeshStr.c_str());
if (newMeshStr == "")
newMeshStr = MeshName;
if (newAnimatedMesh)
newMesh = newAnimatedMesh->getMesh(0);
IAnimatedMesh* newAnimatedMesh = SceneManager->getMesh(newMeshStr.c_str());
if (newMesh)
{
// if (Mesh)
// Mesh->drop();
if (newAnimatedMesh)
newMesh = newAnimatedMesh->getMesh(0);
// Mesh = newMesh;
// Mesh->grab();
loadedNewMesh = true;
}
}
if (loadedNewMesh || MinimalPolysPerNode != oldMinimal)
if (newMesh && ((MeshName != newMeshStr) || (MinimalPolysPerNode != oldMinimal)))
{
// recalculate tree
//createTree(Mesh);
createTree ( newMesh );
// newMesh->drop ();
createTree(newMesh);
}
ISceneNode::deserializeAttributes(in, options);
@ -501,3 +466,4 @@ void COctTreeSceneNode::deleteTree()
} // end namespace scene
} // end namespace irr

3
source/Irrlicht/COctTreeSceneNode.h
View File

@ -20,7 +20,7 @@ namespace scene
//! constructor
COctTreeSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
s32 minimalPolysPerNode=128);
s32 minimalPolysPerNode=512);
//! destructor
virtual ~COctTreeSceneNode();
@ -73,7 +73,6 @@ namespace scene
video::E_VERTEX_TYPE vertexType;
core::array< video::SMaterial > Materials;
//IMesh* Mesh;
core::stringc MeshName;
s32 MinimalPolysPerNode;
s32 PassCount;

11
source/Irrlicht/COctTreeTriangleSelector.h
View File

@ -39,13 +39,13 @@ private:
{
SOctTreeNode()
{
for (s32 i=0; i<8; ++i)
for (u32 i=0; i!=8; ++i)
Child[i] = 0;
}
~SOctTreeNode()
{
for (s32 i=0; i<8; ++i)
for (u32 i=0; i!=8; ++i)
delete Child[i];
}
@ -57,9 +57,10 @@ private:
void constructOctTree(SOctTreeNode* node);
void deleteEmptyNodes(SOctTreeNode* node);
void getTrianglesFromOctTree(SOctTreeNode* node, s32& trianglesWritten, s32 maximumSize,
const core::aabbox3d<f32>& box, const core::matrix4* transform,
core::triangle3df* triangles) const;
void getTrianglesFromOctTree(SOctTreeNode* node, s32& trianglesWritten,
s32 maximumSize, const core::aabbox3d<f32>& box,
const core::matrix4* transform,
core::triangle3df* triangles) const;
SOctTreeNode* Root;
s32 NodeCount;

120
source/Irrlicht/OctTree.h
View File

@ -9,20 +9,18 @@
#include "S3DVertex.h"
#include "aabbox3d.h"
#include "irrArray.h"
#include "irrString.h"
namespace irr
{
//! template octtree. T must be a vertex type which has a member
//! called .Pos, which is a core::vertex3df position.
//! template octtree.
/** T must be a vertex type which has a member
called .Pos, which is a core::vertex3df position. */
template <class T>
class OctTree
{
public:
u32 nodeCount;
struct SMeshChunk
{
core::array<T> Vertices;
@ -44,45 +42,38 @@ public:
};
//! constructor
OctTree(const core::array<SMeshChunk>& meshes, s32 minimalPolysPerNode=128)
//! Constructor
OctTree(const core::array<SMeshChunk>& meshes, s32 minimalPolysPerNode=128) :
IndexData(0), IndexDataCount(meshes.size()), NodeCount(0)
{
nodeCount = 0;
IndexDataCount = meshes.size();
IndexData = new SIndexData[IndexDataCount];
// construct array of all indices
core::array<SIndexChunk>* indexChunks = new core::array<SIndexChunk>;
SIndexChunk ic;
for (u32 i=0; i<meshes.size(); ++i)
indexChunks->reallocate(meshes.size());
for (u32 i=0; i!=meshes.size(); ++i)
{
IndexData[i].CurrentSize = 0;
IndexData[i].MaxSize = meshes[i].Indices.size();
IndexData[i].Indices = new u16[IndexData[i].MaxSize];
ic.MaterialId = meshes[i].MaterialId;
indexChunks->push_back(ic);
indexChunks->push_back(SIndexChunk());
SIndexChunk& tic = indexChunks->getLast();
SIndexChunk& tic = (*indexChunks)[i];
for (u32 t=0; t<meshes[i].Indices.size(); ++t)
tic.Indices.push_back(meshes[i].Indices[t]);
tic.MaterialId = meshes[i].MaterialId;
tic.Indices = meshes[i].Indices;
}
// create tree
Root = new OctTreeNode(nodeCount, 0, meshes, indexChunks, minimalPolysPerNode);
Root = new OctTreeNode(NodeCount, 0, meshes, indexChunks, minimalPolysPerNode);
}
//! returns all ids of polygons partially or fully enclosed
//! by this bounding box.
void calculatePolys(const core::aabbox3d<f32>& box)
{
for (u32 i=0; i<IndexDataCount; ++i)
for (u32 i=0; i!=IndexDataCount; ++i)
IndexData[i].CurrentSize = 0;
Root->getPolys(box, IndexData, 0);
@ -92,28 +83,32 @@ public:
//! by a view frustum.
void calculatePolys(const scene::SViewFrustum& frustum)
{
for (u32 i=0; i<IndexDataCount; ++i)
for (u32 i=0; i!=IndexDataCount; ++i)
IndexData[i].CurrentSize = 0;
Root->getPolys(frustum, IndexData, 0);
}
SIndexData* getIndexData()
const SIndexData* getIndexData() const
{
return IndexData;
}
u32 getIndexDataCount()
u32 getIndexDataCount() const
{
return IndexDataCount;
}
// for debug purposes only, renders the bounding boxes of the tree
void renderBoundingBoxes(const core::aabbox3d<f32>& box,
core::array< core::aabbox3d<f32> >&outBoxes)
u32 getNodeCount() const
{
Root->renderBoundingBoxes(box, outBoxes);
return NodeCount;
}
//! for debug purposes only, collects the bounding boxes of the tree
void getBoundingBoxes(const core::aabbox3d<f32>& box,
core::array< const core::aabbox3d<f32>* >&outBoxes) const
{
Root->getBoundingBoxes(box, outBoxes);
}
//! destructor
@ -127,7 +122,6 @@ public:
}
private:
// private inner class
class OctTreeNode
{
@ -144,7 +138,7 @@ private:
u32 i; // new ISO for scoping problem with different compilers
for (i=0; i<8; ++i)
for (i=0; i!=8; ++i)
Children[i] = 0;
if (indices->empty())
@ -192,23 +186,20 @@ private:
core::array<u16> keepIndices;
if (totalPrimitives > minimalPolysPerNode && !Box.isEmpty())
for (s32 ch=0; ch<8; ++ch)
for (u32 ch=0; ch!=8; ++ch)
{
box.reset(middle);
box.addInternalPoint(edges[ch]);
// create indices for child
core::array<SIndexChunk>* cindexChunks = new core::array<SIndexChunk>;
bool added = false;
core::array<SIndexChunk>* cindexChunks = new core::array<SIndexChunk>;
cindexChunks->reallocate(allmeshdata.size());
for (i=0; i<allmeshdata.size(); ++i)
{
SIndexChunk ic;
ic.MaterialId = allmeshdata[i].MaterialId;
cindexChunks->push_back(ic);
SIndexChunk& tic = (*cindexChunks)[i];
cindexChunks->push_back(SIndexChunk());
SIndexChunk& tic = cindexChunks->getLast();
tic.MaterialId = allmeshdata[i].MaterialId;
for (u32 t=0; t<(*indices)[i].Indices.size(); t+=3)
{
@ -246,8 +237,6 @@ private:
IndexData = indices;
}
// destructor
~OctTreeNode()
{
@ -257,8 +246,6 @@ private:
delete Children[i];
}
// returns all ids of polygons partially or full enclosed
// by this bounding box.
void getPolys(const core::aabbox3d<f32>& box, SIndexData* idxdata, u32 parentTest ) const
@ -267,22 +254,21 @@ private:
if ( parentTest != 2 )
{
// partially inside ?
parentTest = (u32) Box.intersectsWithBox(box);
if ( 0 == parentTest )
if (!Box.intersectsWithBox(box))
return;
// fully inside ?
parentTest+= Box.isFullInside(box);
parentTest = Box.isFullInside(box)?2:1;
}
//if (Box.intersectsWithBox(box))
{
u32 cnt = IndexData->size();
const u32 cnt = IndexData->size();
u32 i; // new ISO for scoping problem in some compilers
for (i=0; i<cnt; ++i)
{
s32 idxcnt = (*IndexData)[i].Indices.size();
const s32 idxcnt = (*IndexData)[i].Indices.size();
if (idxcnt)
{
@ -292,19 +278,17 @@ private:
}
}
for (i=0; i<8; ++i)
for (i=0; i!=8; ++i)
if (Children[i])
Children[i]->getPolys(box, idxdata,parentTest);
}
}
// returns all ids of polygons partially or full enclosed
// by the view frustum.
void getPolys(const scene::SViewFrustum& frustum, SIndexData* idxdata,u32 parentTest) const
{
s32 i; // new ISO for scoping problem in some compilers
u32 i; // new ISO for scoping problem in some compilers
// not fully inside
//if ( parentTest != 2 )
@ -312,25 +296,27 @@ private:
core::vector3df edges[8];
Box.getEdges(edges);
for (i=0; i<scene::SViewFrustum::VF_PLANE_COUNT; ++i)
for (i=0; i!=scene::SViewFrustum::VF_PLANE_COUNT; ++i)
{
bool boxInFrustum=false;
for (int j=0; j<8; ++j)
for (u32 j=0; j!=8; ++j)
{
if (frustum.planes[i].classifyPointRelation(edges[j]) != core::ISREL3D_FRONT)
{
boxInFrustum=true;
break;
}
}
if (!boxInFrustum) // all edges outside
return;
}
}
s32 cnt = IndexData->size();
const u32 cnt = IndexData->size();
for (i=0; i<cnt; ++i)
for (i=0; i!=cnt; ++i)
{
s32 idxcnt = (*IndexData)[i].Indices.size();
@ -342,23 +328,22 @@ private:
}
}
for (i=0; i<8; ++i)
for (i=0; i!=8; ++i)
if (Children[i])
Children[i]->getPolys(frustum, idxdata,parentTest);
}
void renderBoundingBoxes(const core::aabbox3d<f32>& box,
core::array< core::aabbox3d<f32> >&outBoxes)
//! for debug purposes only, collects the bounding boxes of the node
void getBoundingBoxes(const core::aabbox3d<f32>& box,
core::array< const core::aabbox3d<f32>* >&outBoxes) const
{
if (Box.intersectsWithBox(box))
{
outBoxes.push_back(Box);
outBoxes.push_back(&Box);
for (u32 i=0; i<8; ++i)
for (u32 i=0; i!=8; ++i)
if (Children[i])
Children[i]->renderBoundingBoxes(box, outBoxes);
Children[i]->getBoundingBoxes(box, outBoxes);
}
}
@ -373,6 +358,7 @@ private:
OctTreeNode* Root;
SIndexData* IndexData;
u32 IndexDataCount;
u32 NodeCount;
};
} // end namespace