From ab3f7714553b4658744249df2bfcec676aec7e6a Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Tue, 25 Mar 2025 02:18:49 +0800
Subject: [PATCH] =?UTF-8?q?SceneNode=E5=A2=9E=E5=8A=A0Component=E7=9B=B8?=
 =?UTF-8?q?=E5=85=B3=E5=87=BD=E6=95=B0(=E4=BD=86Component=E7=9A=84?=
 =?UTF-8?q?=E9=87=8A=E6=94=BE=E8=BF=98=E6=B2=A1=E6=9C=89=E5=AE=8C=E5=85=A8?=
 =?UTF-8?q?=E7=A1=AE=E5=AE=9A)?=
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---
 inc/hgl/graph/SceneNode.h          | 11 +++++++++-
 src/SceneGraph/scene/SceneNode.cpp | 33 ++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/inc/hgl/graph/SceneNode.h b/inc/hgl/graph/SceneNode.h
index 5dde18c7..d4a53e5e 100644
--- a/inc/hgl/graph/SceneNode.h
+++ b/inc/hgl/graph/SceneNode.h
@@ -69,10 +69,11 @@ namespace hgl
                 LocalBoundingBox.SetZero();
 
                 ChildNode.Clear();
+                ComponentList.Clear();
                 render_obj=nullptr;
             }
 
-            const bool IsEmpty()const
+            const bool ChildNodeIsEmpty()const
             {
                 if(render_obj)return(false);
                 if(ChildNode.GetCount())return(false);
@@ -111,6 +112,14 @@ namespace hgl
 
         public: //组件相关方法
 
+                            bool        ComponentIsEmpty    ()const {return ComponentList.GetCount()==0;}               ///<是否没有组件
+            virtual         int         GetComponentCount   ()const {return ComponentList.GetCount();}                  ///<取得组件数量
+            virtual         void        AddComponent        (Component *comp) {ComponentList.Add(comp);}                ///<添加一个组件
+            virtual         void        RemoveComponent     (Component *comp) {ComponentList.DeleteByValue(comp);}      ///<删除一个组件
+                            bool        Contains            (Component *comp) {return ComponentList.Contains(comp);}    ///<是否包含指定组件
+
+                            bool        HasComponent        (const ComponentManager *);                                 ///<是否有指定组件管理器的组件
+            virtual         int         GetComponents       (List<Component *> &comp_list,const ComponentManager *);    ///<取得所有组件
 
         };//class SceneNode
 
diff --git a/src/SceneGraph/scene/SceneNode.cpp b/src/SceneGraph/scene/SceneNode.cpp
index 02a41dd7..dd5c8993 100644
--- a/src/SceneGraph/scene/SceneNode.cpp
+++ b/src/SceneGraph/scene/SceneNode.cpp
@@ -88,5 +88,38 @@ namespace hgl
 
             LocalBoundingBox=local;
         }
+
+        int SceneNode::GetComponents(List<Component *> &comp_list,const ComponentManager *mgr)
+        {
+            if(!mgr)return(-1);
+            if(ComponentIsEmpty())return(0);
+
+            int result=0;
+
+            for(Component *c:ComponentList)
+            {
+                if(c->GetManager()==mgr)
+                {
+                    comp_list.Add(c);
+                    ++result;
+                }
+            }
+            
+            return result;
+        }
+
+        bool SceneNode::HasComponent(const ComponentManager *mgr)
+        {
+            if(!mgr)return(false);
+            if(ComponentIsEmpty())return(false);
+
+            for(Component *c:ComponentList)
+            {
+                if(c->GetManager()==mgr)
+                    return(true);
+            }
+
+            return(false);
+        }
     }//namespace graph
 }//namespace hgl