#ifndef HGL_GRAPH_SHADER_NODE_INCLUDE
#define HGL_GRAPH_SHADER_NODE_INCLUDE

#include<hgl/type/BaseString.h>
#include<hgl/type/List.h>
#include<hgl/graph/shader/param/in.h>
#include<hgl/graph/shader/param/out.h>

BEGIN_SHADER_NODE_NAMESPACE

#define SHADER_INPUT_PARAM(mj,name,type) input_params.Add(new SHADER_PARAM_NAMESPACE::InputParam(mj,#name,SHADER_PARAM_NAMESPACE::ParamType::type));
#define SHADER_OUTPUT_PARAM(name,type) output_params.Add(new SHADER_PARAM_NAMESPACE::Param(#name,SHADER_PARAM_NAMESPACE::ParamType::type));

using InputParamList=ObjectList<param::InputParam>;
using OutputParamList=ObjectList<param::OutputParam>;

/**
 * Shader 节点是所有Shader的基础，它可以是一个简单的计算，也可以是一段复杂的函数
 */
class Node
{
    UTF8String type_name;                                                       ///<节点类型本身的名称

protected:

    UTF8String name;                                                            ///<节点用户自定义名称

    InputParamList input_params;
    OutputParamList output_params;

public:

    Node(const UTF8String &n){type_name=n;}
    virtual ~Node()=default;

    const   UTF8String &        GetTypename         ()const{return type_name;}

    const   UTF8String &        GetName             ()const{return name;}
    void                        SetName             (const UTF8String &n){name=n;}

            InputParamList &    GetInputParamList   (){return input_params;}
            OutputParamList &   GetOutputParamList  (){return output_params;}

public: //参数相关

    virtual bool IsOutputParam(param::OutputParam *);

    virtual bool Check();                                                       ///<检测当前节点是否可用
};//class Node
END_SHADER_NODE_NAMESPACE
#endif//HGL_GRAPH_SHADER_NODE_INCLUDE