141 lines
2.9 KiB
C++
141 lines
2.9 KiB
C++
#include<hgl/graph/SceneNode.h>
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#include<hgl/component/SceneComponent.h>
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#include<hgl/graph/Mesh.h>
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namespace hgl::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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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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for(Component *c:src_node->GetComponents())
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{
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node->AttachComponent(c->Duplication());
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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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// bounding_box.SetZero();
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// //WorldBoundingBox=
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// local_bounding_box=bounding_box;
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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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for(SceneNode *sub:child_nodes)
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{
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sub->SetParentMatrix(l2w);
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sub->RefreshMatrix();
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}
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for(Component *com:component_set)
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{
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SceneComponent *sc=reinterpret_cast<SceneComponent *>(com);
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if(!sc)
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continue;
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sc->SetParentMatrix(l2w);
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sc->RefreshMatrix();
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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=child_nodes.GetCount();
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SceneNode **sub=child_nodes.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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local_bounding_box=local;
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}
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int SceneNode::GetComponents(ComponentList &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:component_set)
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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:component_set)
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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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SceneNode::~SceneNode()
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{
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for(Component *c:component_set)
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{
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c->OnDetach(this);
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}
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}
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}//namespace hgl::graph
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