119 lines
5.1 KiB
C
119 lines
5.1 KiB
C
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#ifndef HGL_GRAPH_VERTEX_ARRAY_INCLUDE
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#define HGL_GRAPH_VERTEX_ARRAY_INCLUDE
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#include<hgl/type/List.h>
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#include<hgl/graph/VertexBuffer.h>
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#include<hgl/graph/PixelCompoment.h>
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#include<hgl/math/Math.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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/**
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* 顶点阵列数据
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*/
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class VertexArray
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{
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protected:
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uint primitive; ///<绘制的图元类型
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ObjectList<VertexBufferBase> vertex_buffer_list; ///<顶点数据缓冲区
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AABB aabb; ///<AABB绑定盒
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OBB obb; ///<OBB绑定盒
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int vertex_compoment; ///<顶点属性格式
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PixelCompoment color_compoment; ///<颜色属性格式
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VertexBufferBase *element_buffer;
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VertexBufferBase *vertex_buffer;
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VertexBufferBase *color_buffer;
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private:
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bool _SetVertexBuffer (VertexBufferBase *); ///<真实设置顶点缓冲区数据
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bool _SetElementBuffer (); ///<真实设置索引缓冲区数据
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public:
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VertexArray(uint prim,uint max_vertex_attrib);
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~VertexArray()=default;
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uint GetPrimitive ()const{return primitive;} ///<取得要绘制的图元类型
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public: //通用顶点缓冲区设置
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int AddVertexAttribBuffer (VertexBufferBase *); ///<设置顶点缓冲区数据
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VertexBufferBase * GetVertexAttribBuffer (int index){return vertex_buffer_list[index];} ///<取得顶点缓冲区数据
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bool ClearVertexAttribBuffer (int index){return vertex_buffer_list.Delete(index);} ///<清除顶点缓冲区数据
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void ClearVertexAttribBuffers (){vertex_buffer_list.Clear();} ///<清除所有顶点缓冲区数据
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public: //索引缓冲区设置
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bool SetElementBuffer(VertexBufferBase *vb)
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{
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if(!vb)return(false);
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element_buffer=vb;
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return(true);
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}
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public: //顶点格式相关
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bool SetVertexBuffer(VertexBufferBase *vb)
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{
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if(!vb)return(false);
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vertex_compoment=vb->GetComponent();
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return(AddVertexAttribBuffer(vb)>=0);
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}
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int GetVertexCompoment()const{return vertex_compoment;} ///<取得顶点数据成分数量
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public: //颜色格式相关
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PixelCompoment GetColorCompoment()const{return color_compoment;} ///<取得顶点颜色格式
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bool SetColor(VertexBufferBase *vb,PixelCompoment cf)
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{
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if(!vb)return(false);
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if(cf<=HGL_PC_NONE||cf>=HGL_PC_END)return(false);
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color_compoment=cf;
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return(AddVertexAttribBuffer(vb)>=0);
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}
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public: //绑定盒相关
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void SetBoundingBox (const Vector3f &min_v,Vector3f &max_v)
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{
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aabb.minPoint=POINT_VEC(min_v);
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aabb.maxPoint=POINT_VEC(max_v);
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obb.SetFrom(aabb);
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}
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const AABB & GetAABB ()const{return aabb;} ///<取得AABB绑定盒
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const OBB & GetOBB ()const{return obb;} ///<取得OBB绑定盒
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const Vector3f GetCenter ()const ///<取得中心点
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{
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return POINT_TO_FLOAT3(obb.CenterPoint());
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}
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void GetBoundingBox (Vector3f &min_v,Vector3f &max_v) ///<取得最小顶点和最大顶点
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{
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min_v=POINT_TO_FLOAT3(aabb.minPoint);
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max_v=POINT_TO_FLOAT3(aabb.maxPoint);
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}
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public:
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int GetDrawCount (); ///<取得可绘制的数据总数量
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};//class VertexArray
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_VERTEX_ARRAY_INCLUDE
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