From d7f7a7d09534ef0549aa6dd5a95b0f560c5a5879 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Fri, 6 Sep 2024 01:04:28 +0800
Subject: [PATCH] [WIP] preparing SceneManager

---
 inc/hgl/graph/SceneInfo.h     | 38 -----------------------------
 inc/hgl/graph/SceneManager.h  | 46 +++++++++++++++++++++++++++++++++++
 inc/hgl/graph/SceneNode.h     | 18 ++++++++++++++
 src/SceneGraph/CMakeLists.txt |  2 +-
 4 files changed, 65 insertions(+), 39 deletions(-)
 delete mode 100644 inc/hgl/graph/SceneInfo.h
 create mode 100644 inc/hgl/graph/SceneManager.h

diff --git a/inc/hgl/graph/SceneInfo.h b/inc/hgl/graph/SceneInfo.h
deleted file mode 100644
index bc644125..00000000
--- a/inc/hgl/graph/SceneInfo.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef HGL_GRAPH_SCENE_INFO_INCLUDE
-#define HGL_GRAPH_SCENE_INFO_INCLUDE
-
-#include<hgl/math/Matrix.h>
-#include<hgl/CompOperator.h>
-namespace hgl
-{
-    namespace graph
-    {
-        /**
-         * MVP矩阵
-         */
-        struct MVPMatrix
-        {
-            Matrix4f model;                 ///< model: Local to World
-                                            //Matrix4f normal;                ///<transpose(inverse(mat3(model)));
-            Matrix3x4f normal;              ///<这里用3x4，在Shader中是3x3(但实际它是3x4保存)
-
-            Matrix4f mv;                    ///< view * model
-            Matrix4f mvp;                   ///< projection * view * model
-
-        public:
-
-            void Set(const Matrix4f &local_to_world,const Matrix4f &view_projection,const Matrix4f &view)
-            {
-                model   =local_to_world;
-                normal  =transpose(inverse(model));
-                mv      =view*model;
-                mvp     =view_projection*model;
-            }
-
-            CompOperatorMemcmp(const MVPMatrix &);
-        };//struct MVPMatrix
-
-        constexpr size_t MVPMatrixBytes=sizeof(MVPMatrix);
-    }//namespace graph
-}//namespace hgl
-#endif//HGL_GRAPH_SCENE_INFO_INCLUDE
diff --git a/inc/hgl/graph/SceneManager.h b/inc/hgl/graph/SceneManager.h
new file mode 100644
index 00000000..453b6d27
--- /dev/null
+++ b/inc/hgl/graph/SceneManager.h
@@ -0,0 +1,46 @@
+#pragma once
+#include<hgl/graph/SceneNode.h>
+
+namespace hgl
+{
+    namespace graph
+    {
+        template<typename T> class ObjectAllocator
+        {
+
+        template<typename OBJECT,typename ID,typename NAME> class IDNameObjectMap
+        {
+            ObjectList<OBJECT> obj_list;
+
+            Map<ID,OBJECT *> obj_map_by_id;
+            Map<NAME,OBJECT *> obj_map_by_name;
+
+        public:
+
+            virtual ~IDNameObjectMap()=default;
+        };//class NodeManager;
+
+        /**
+        * 场景管理器<Br>
+        * 管理一个场景中的所有资源与场景节点
+        */
+        class SceneManager
+        {
+            SceneNode *root_node;
+
+
+
+        public:
+
+                  SceneNode *GetSceneRoot()     {return root_node;}
+            const SceneNode *GetSceneRoot()const{return root_node;}
+
+            const uint GetNodeCount()const { return node_list.GetCount(); }
+
+        public:
+
+
+
+        };//class SceneManager
+    }//namespace graph
+}//namespace hgl
diff --git a/inc/hgl/graph/SceneNode.h b/inc/hgl/graph/SceneNode.h
index cc023101..d71b6ffa 100644
--- a/inc/hgl/graph/SceneNode.h
+++ b/inc/hgl/graph/SceneNode.h
@@ -2,12 +2,16 @@
 #define HGL_GRAPH_SCENE_NODE_INCLUDE
 
 #include<hgl/type/ObjectList.h>
+#include<hgl/type/IDName.h>
 #include<hgl/graph/SceneOrient.h>
 #include<hgl/graph/AABB.h>
 namespace hgl
 {
     namespace graph
     {
+        using SceneNodeID   =uint64;
+        using SceneNodeName =AnsiIDName;
+
         /**
         * 场景节点数据类<br>
         * 从场景坐标变换(SceneOrient)类继承，
@@ -15,6 +19,9 @@ namespace hgl
         */
         class SceneNode:public SceneOrient                                                                              ///场景节点类
         {
+            SceneNodeID NodeID;                                                                                         ///<节点ID
+            SceneNodeName NodeName;                                                                                     ///<节点名称
+
         protected:
 
             AABB BoundingBox;                                                                                           ///<绑定盒
@@ -29,12 +36,21 @@ namespace hgl
 
         public:
 
+            const SceneNodeID &     GetNodeID   ()const { return NodeID; }                                              ///<取得节点ID
+            const SceneNodeName &   GetNodeName ()const { return NodeName; }                                            ///<取得节点名称
+
+        private:
+
             SceneNode()=default;
             SceneNode(SceneNode *);
             SceneNode(                      Renderable *ri  )                   {render_obj=ri;}
             SceneNode(const Matrix4f &mat                   ):SceneOrient(mat)  {}
             SceneNode(const Matrix4f &mat,  Renderable *ri  ):SceneOrient(mat)  {render_obj=ri;}
 
+            friend SceneNode *CreateSceneNode(const SceneNodeName &);
+
+        public:
+
             virtual ~SceneNode()=default;
 
             void Clear() override
@@ -140,6 +156,8 @@ namespace hgl
             virtual const   AABB &      GetLocalBoundingBox ()const{return LocalBoundingBox;}                           ///<取得本地坐标绑定盒
 //            virtual const   AABB &      GetWorldBoundingBox ()const{return WorldBoundingBox;}                           ///<取得世界坐标绑定盒
         };//class SceneNode
+
+        SceneNode *CreateSceneNode(const SceneNodeName &);
     }//namespace graph
 }//namespace hgl
 #endif//HGL_GRAPH_SCENE_NODE_INCLUDE
diff --git a/src/SceneGraph/CMakeLists.txt b/src/SceneGraph/CMakeLists.txt
index 0882cd67..90b51d51 100644
--- a/src/SceneGraph/CMakeLists.txt
+++ b/src/SceneGraph/CMakeLists.txt
@@ -40,7 +40,7 @@ SET(LIGHT_FILES ${SG_INCLUDE_PATH}/Light.h)
 
 source_group("Light" FILES ${LIGHT_FILES})
 
-SET(SCENE_GRAPH_HEADER  ${SG_INCLUDE_PATH}/SceneInfo.h
+SET(SCENE_GRAPH_HEADER  ${SG_INCLUDE_PATH}/SceneManager.h
                         ${SG_INCLUDE_PATH}/SceneNode.h
                         ${SG_INCLUDE_PATH}/RenderNode.h
                         ${SG_INCLUDE_PATH}/SceneMatrix.h