#pragma once
#include <vector>
#include <list>
#include <fstream>
#include <string>
#include <gl\glew.h>
#include <glm\gtc\matrix_transform.hpp>

enum Mtyp {
	null,
	dynamicMesh,
	cloth,
	bone,
	staticMesh,
	shadowMesh = 6
};

struct ChunkHeader {
	char name[5];
	std::uint32_t size;
	std::streampos position;
};

struct Modl {
	std::string name;
	std::string parent;
	Mtyp type;
	std::uint32_t renderFlags;
	glm::mat4 m4x4Translation;
	struct {
		float scale[3];
		float rotation[4];
		float translation[3];
	} tran;
	struct {
		std::uint32_t type;
		float data1;
		float data2;
		float data3;
	} swci;
	std::string texture;
	float* vertex;
	float* uv;
	std::uint32_t* mesh;
	std::uint32_t meshSize;
};


class Object
{
public:
	Object(const char* path);
	~Object();

private:

	std::vector<Modl*> vModls;
	std::fstream fsMesh;
	std::vector<std::string> vTextures;


private:
	void setModlDefault(Modl* model);
	void loadChunks(std::list<ChunkHeader*> &destination, std::streampos start, const std::uint32_t end);
	void analyseMsh2Chunks(std::list<ChunkHeader*> &chunkList);
	void analyseMatdChunks(std::list<ChunkHeader*> &chunkList);
	void analyseModlChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);
	void analyseGeomChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);
	void analyseSegmChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);
	void analyseClthChunks(Modl* dataDestination, std::list<ChunkHeader*> &chunkList);
	void readVertex(Modl* dataDestination, std::streampos position);
	void readUV(Modl* dataDestination, std::streampos position);
	

public:
	std::vector<GLfloat> getVertex() const;
	std::vector<GLfloat> getUV() const;
	std::uint32_t getSize() const;
	std::list<std::string> getTexture() const;
	std::vector<Modl*> getModels() const;

};