void OCTree::ClipScene()
{
if (rebuild_tree_)
{
octree_.resize(1);
AABBox bb_root(float3(0, 0, 0), float3(0, 0, 0));
octree_[0].first_child_index = -1;
octree_[0].visible = BO_No;
KLAYGE_FOREACH(SceneObjAABBPtrType const & soaabb, scene_objs_)
{
SceneObjectPtr const & obj = soaabb->so;
uint32_t const attr = obj->Attrib();
if ((attr & SceneObject::SOA_Cullable)
&& !(attr & SceneObject::SOA_Overlay)
&& !(attr & SceneObject::SOA_Moveable))
{
bb_root |= *soaabb->aabb_ws;
octree_[0].obj_ptrs.push_back(soaabb);
}
}
float3 const & center = bb_root.Center();
float3 const & extent = bb_root.HalfSize();
float longest_dim = std::max(std::max(extent.x(), extent.y()), extent.z());
float3 new_extent(longest_dim, longest_dim, longest_dim);
octree_[0].bb = AABBox(center - new_extent, center + new_extent);
this->DivideNode(0, 1);
rebuild_tree_ = false;
}
void OCTree::ClipScene()
{
if (rebuild_tree_)
{
octree_.resize(1);
AABBox bb_root(float3(0, 0, 0), float3(0, 0, 0));
octree_[0].first_child_index = -1;
octree_[0].visible = BO_No;
for (SceneObjsType::const_reference obj : scene_objs_)
{
uint32_t const attr = obj->Attrib();
if ((attr & SceneObject::SOA_Cullable)
&& !(attr & SceneObject::SOA_Moveable))
{
bb_root |= *obj->PosBoundWS();
octree_[0].obj_ptrs.push_back(obj);
}
}
float3 const & center = bb_root.Center();
float3 const & extent = bb_root.HalfSize();
float longest_dim = std::max(std::max(extent.x(), extent.y()), extent.z());
float3 new_extent(longest_dim, longest_dim, longest_dim);
octree_[0].bb = AABBox(center - new_extent, center + new_extent);
this->DivideNode(0, 1);
rebuild_tree_ = false;
}
#ifdef KLAYGE_DRAW_NODES
if (!node_renderable_)
{
node_renderable_ = MakeSharedPtr<NodeRenderable>();
}
checked_pointer_cast<NodeRenderable>(node_renderable_)->ClearInstances();
#endif
if (!octree_.empty())
{
this->NodeVisible(0);
}
App3DFramework& app = Context::Instance().AppInstance();
Camera& camera = app.ActiveCamera();
float4x4 view_proj = camera.ViewProjMatrix();
DeferredRenderingLayerPtr const & drl = Context::Instance().DeferredRenderingLayerInstance();
if (drl)
{
int32_t cas_index = drl->CurrCascadeIndex();
if (cas_index >= 0)
{
view_proj *= drl->GetCascadedShadowLayer()->CascadeCropMatrix(cas_index);
}
}
if (camera.OmniDirectionalMode())
{
for (SceneObjsType::const_reference obj : scene_objs_)
{
if (obj->Visible())
{
uint32_t const attr = obj->Attrib();
if (attr & SceneObject::SOA_Moveable)
{
obj->UpdateAbsModelMatrix();
}
if (attr & SceneObject::SOA_Cullable)
{
AABBoxPtr aabb_ws = obj->PosBoundWS();
obj->VisibleMark((MathLib::perspective_area(camera.EyePos(), view_proj,
*aabb_ws) > small_obj_threshold_) ? BO_Yes : BO_No);
}
}
else
{
obj->VisibleMark(BO_No);
}
}
}
else
{
if (!octree_.empty())
{
this->MarkNodeObjs(0, false);
}
for (SceneObjsType::const_reference obj : scene_objs_)
{
if (obj->Visible())
{
BoundOverlap visible = this->VisibleTestFromParent(obj, camera.EyePos(), view_proj);
if (BO_Partial == visible)
{
uint32_t const attr = obj->Attrib();
if (attr & SceneObject::SOA_Moveable)
{
obj->UpdateAbsModelMatrix();
}
if (attr & SceneObject::SOA_Cullable)
{
if (attr & SceneObject::SOA_Moveable)
{
obj->VisibleMark(this->AABBVisible(*obj->PosBoundWS()));
}
else
{
obj->VisibleMark(visible);
}
}
else
{
obj->VisibleMark(BO_Yes);
}
}
else
{
obj->VisibleMark(visible);
}
}
}
}
#ifdef KLAYGE_DRAW_NODES
node_renderable_->Render();
#endif
}
