#pragma once

#include "ICommandUser.h"

struct __declspec(novtable) IRenderCommandNode
{
	virtual ~IRenderCommandNode() {}

	virtual const std::vector<ICommandUser*> get_CommandUsers() const = 0;

	virtual void set_Parent(IRenderCommandNode* ar_Node_) = 0;
	virtual IRenderCommandNode* get_Parent() const = 0;

	virtual bool IsDirty() const = 0;
	virtual void MarkDirty() = 0;

	virtual void AddCommandUser(ICommandUser& argCommandUser) = 0;
	virtual void RemoveCommandUser(ICommandUser& argCommandUser) = 0;
	virtual void ReplaceCommandUser(ICommandUser& argWhatCommandUser, ICommandUser& argWhithCommandUser) = 0;
	
	virtual void ProcessCommands() = 0;
};

struct ICommandBuffer;
struct __declspec(novtable) IRenderCommandNodeInternal
{
	virtual ~IRenderCommandNodeInternal() {}

	virtual void GenerateDeviceCommands() = 0;
	virtual ICommandBuffer* get_CommandBuffer() const = 0;
};


// Helper functions
template<typename T> void AddToNode(IRenderCommandNode& commandNode, T& commandUser)
{
	commandNode.AddCommandUser(dynamic_cast<ICommandUser&>(commandUser));
}

template<typename T> void AddToNode(IRenderCommandNode& commandNode, T* commandUser)
{
	commandNode.AddCommandUser(dynamic_cast<ICommandUser&>(*commandUser));
}

template<typename T> void RemoveFromNode(IRenderCommandNode& commandNode, T& commandUser)
{
	commandNode.RemoveCommandUser(dynamic_cast<ICommandUser&>(commandUser));
}

template<typename T> void RemoveFromNode(IRenderCommandNode& commandNode, T* commandUser)
{
	commandNode.RemoveCommandUser(dynamic_cast<ICommandUser&>(*commandUser));
}