From 02169963de34b56a8427785b89015e7d41c82211 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Tue, 2 Apr 2024 21:34:49 +0800
Subject: [PATCH] improved PrimitiveCreater::CreateIBO.. functions for template

---
 inc/hgl/graph/PrimitiveCreater.h    | 19 +++++++++++++++++--
 src/SceneGraph/PrimitiveCreater.cpp | 16 ----------------
 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/inc/hgl/graph/PrimitiveCreater.h b/inc/hgl/graph/PrimitiveCreater.h
index 8f521b0e..4c4df6a3 100644
--- a/inc/hgl/graph/PrimitiveCreater.h
+++ b/inc/hgl/graph/PrimitiveCreater.h
@@ -74,8 +74,23 @@ namespace hgl
 
                     bool                    WriteVAD(const AnsiString &name,const void *data,const uint32_t bytes);     ///<直接写入顶点属性数据
 
-                    uint16 *                CreateIBO16(uint count,const uint16 *data=nullptr);                         ///<创建16位的索引缓冲区
-                    uint32 *                CreateIBO32(uint count,const uint32 *data=nullptr);                         ///<创建32位的索引缓冲区
+                    template<typename T,IndexType IT>
+                    T *                     CreateIBO(const uint count,const T *data=nullptr)                            ///<创建索引缓冲区
+                    {
+                        if(ibo)
+                            return(nullptr);
+                    
+                        ibo=db->CreateIBO(IT,count,data);
+
+                        if(!ibo)
+                            return(nullptr);
+
+                        return (T *)ibo->Map();
+                    }
+
+                    uint8 *                 CreateIBO8 (uint count,const uint8  *data=nullptr){return CreateIBO<uint8 ,IndexType::U8 >(count,data);}                         ///<创建8位的索引缓冲区
+                    uint16 *                CreateIBO16(uint count,const uint16 *data=nullptr){return CreateIBO<uint16,IndexType::U16>(count,data);}                         ///<创建16位的索引缓冲区
+                    uint32 *                CreateIBO32(uint count,const uint32 *data=nullptr){return CreateIBO<uint32,IndexType::U32>(count,data);}                         ///<创建32位的索引缓冲区
 
             virtual Primitive *             Finish(const AnsiString &);                                                                   ///<结束并创建可渲染对象
         };//class PrimitiveCreater
diff --git a/src/SceneGraph/PrimitiveCreater.cpp b/src/SceneGraph/PrimitiveCreater.cpp
index cd26e28b..f02d6d8a 100644
--- a/src/SceneGraph/PrimitiveCreater.cpp
+++ b/src/SceneGraph/PrimitiveCreater.cpp
@@ -89,22 +89,6 @@ namespace hgl
             return true;
         }
 
-        uint16 *PrimitiveCreater::CreateIBO16(uint count,const uint16 *data)
-        {
-            if(ibo)return(nullptr);
-
-            ibo=db->CreateIBO16(count,data);
-            return (uint16 *)ibo->Map();
-        }
-
-        uint32 *PrimitiveCreater::CreateIBO32(uint count,const uint32 *data)
-        {
-            if(ibo)return(nullptr);
-
-            ibo=db->CreateIBO32(count,data);
-            return (uint32 *)ibo->Map();
-        }
-
         Primitive *PrimitiveCreater::Finish(const AnsiString &prim_name)
         {
             const uint si_count=vil->GetCount(VertexInputGroup::Basic);