126 lines
2.9 KiB
C++
126 lines
2.9 KiB
C++
#include<hgl/graph/SceneNode.h>
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#include<hgl/graph/Mesh.h>
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namespace hgl
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{
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namespace graph
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{
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SceneNode *Duplication(SceneNode *src_node)
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{
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if(!src_node)
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return nullptr;
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SceneNode *node=new SceneNode(*(SceneOrient *)src_node);
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node->SetRenderable(src_node->GetRenderable());
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for(SceneNode *sn:src_node->GetChildNode())
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{
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node->Add(Duplication(sn));
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}
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return node;
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}
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void SceneNode::SetRenderable(Mesh *ri)
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{
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render_obj=ri;
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if(render_obj)
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{
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SetBoundingBox(render_obj->GetBoundingBox());
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}
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else
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{
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BoundingBox.SetZero();
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//WorldBoundingBox=
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LocalBoundingBox=BoundingBox;
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}
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}
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/**
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* 刷新矩阵变换
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*/
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void SceneNode::RefreshMatrix()
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{
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SceneOrient::RefreshMatrix();
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// if (scene_matrix.IsNewestVersion()) //自己不变，不代表下面不变
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//return;
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const Matrix4f &l2w=scene_matrix.GetLocalToWorldMatrix();
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const int count=ChildNode.GetCount();
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SceneNode **sub=ChildNode.GetData();
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for(int i=0;i<count;i++)
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{
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(*sub)->SetParentMatrix(l2w);
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(*sub)->RefreshMatrix();
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sub++;
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}
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}
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/**
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* 刷新绑定盒
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*/
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void SceneNode::RefreshBoundingBox()
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{
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int count=ChildNode.GetCount();
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SceneNode **sub=ChildNode.GetData();
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AABB local,world;
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(*sub)->RefreshBoundingBox();
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local=(*sub)->GetLocalBoundingBox();
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++sub;
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for(int i=1;i<count;i++)
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{
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(*sub)->RefreshBoundingBox();
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local.Enclose((*sub)->GetLocalBoundingBox());
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++sub;
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}
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LocalBoundingBox=local;
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}
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int SceneNode::GetComponents(ArrayList<Component *> &comp_list,const ComponentManager *mgr)
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{
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if(!mgr)return(-1);
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if(ComponentIsEmpty())return(0);
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int result=0;
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for(Component *c:ComponentList)
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{
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if(c->GetManager()==mgr)
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{
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comp_list.Add(c);
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++result;
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}
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}
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return result;
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}
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bool SceneNode::HasComponent(const ComponentManager *mgr)
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{
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if(!mgr)return(false);
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if(ComponentIsEmpty())return(false);
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for(Component *c:ComponentList)
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{
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if(c->GetManager()==mgr)
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return(true);
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}
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return(false);
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}
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}//namespace graph
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}//namespace hgl
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