#pragma once

#include "dvc_config.h"
#include "dvc_pre_declare.h"

DV_CORE_BEGIN_NAMESPACE

class DV_CORE_API Mesh
{
public:
	typedef std::map<VertexElementType, DeviceBufferAccessorConstPtr> PrimitiveAttributes;
	struct Primitive
	{
		PrimitiveType type;
		PrimitiveAttributes attributes;
		DeviceBufferAccessorConstPtr indices;
		MaterialPtr material;
	};
	typedef std::shared_ptr<Primitive> PrimitivePtr;
	typedef std::shared_ptr<const Primitive> PrimitiveConstPtr;
	typedef std::vector<PrimitivePtr> PrimitiveArray;

public:
	int32_t getID(void) const { return m_id; }

	const std::string& getName(void) const {
		return m_name;
	}

	PrimitivePtr newPrimitive(void);
	int32_t getPrimitiveCounts(void) const {
		return (int32_t)m_primitiveArray.size();
	}
	PrimitiveConstPtr getPrimitive(int32_t index) const;

private:
	int32_t m_id;
	std::string m_name;
	PrimitiveArray m_primitiveArray;

public:
	Mesh(int32_t id, const std::string& name);
	~Mesh();
};

DV_CORE_END_NAMESPACE