#pragma once

#include "Engine.h"

#include "ZipFile.h"

#include <map>

#include <vector>

//图片纹理类，用字串和编号来索引

//一个纹理最多可以包含10张子纹理，会随机被贴出，模拟动态效果

//每组图片的偏移用两个int16[n][2]来保存，需要注意的是，UI元素使用的图片最好其偏移都设为0，否则计算鼠标范围时会有一些问题，使用起来也比较麻烦

struct GroupInfo

{

ZipFile zip;

std::string path;

};

struct Texture

{

enum

{

SUB_TEXTURE_COUNT = 10,

};

BP_Texture* tex[SUB_TEXTURE_COUNT] = { nullptr };

BP_Texture* tex_white = nullptr;

int w = 0, h = 0, dx = 0, dy = 0;

bool loaded = false;

int count = 1;

int prev_show;

void setTex(BP_Texture* t);

BP_Texture* getTexture(int i = 0) { return tex[i]; }

GroupInfo* group_info_ = nullptr;

int num_ = -1;

void load();

void createWhiteTexture();

private:

void destory();

};

struct TextureGroup

{

friend class TextureManager;

public:

std::vector<Texture*> group_;

int inited_ = 0;

GroupInfo info_;

//ZipFile zip_;

//ZipFile* getZip() { return &zip_; }

//std::string path_;

//const std::string& getPath() { return path_; }

std::string getFileContent(const std::string& filename);

protected:

void init(const std::string& path, int load_from_path, int load_all);

//void loadTexture(int num, Texture* t);

//void loadTextureWhite(int num, Texture* t);

};

class TextureManager

{

private:

TextureManager();

virtual ~TextureManager();

std::string path_;

int load_from_path_ = 0; //0 - 先尝试读取zip，如没有则读取目录；1 - 不尝试读取zip，直接读取目录

int load_all_ = 0;

std::map<const std::string, TextureGroup> map_;

public:

static TextureManager* getInstance()

{

static TextureManager tm;

return &tm;

}

public:

void renderTexture(Texture* tex, BP_Rect r,

BP_Color c = { 255, 255, 255, 255 }, uint8_t alpha = 255, double angle = 0, uint8_t white = 0);

void renderTexture(const std::string& path, int num, BP_Rect r,

BP_Color c = { 255, 255, 255, 255 }, uint8_t alpha = 255, double angle = 0, uint8_t white = 0);

void renderTexture(Texture* tex, int x, int y,

BP_Color c = { 255, 255, 255, 255 }, uint8_t alpha = 255, double zoom_x = 1, double zoom_y = 1, double angle = 0, uint8_t white = 0);

void renderTexture(const std::string& path, int num, int x, int y,

BP_Color c = { 255, 255, 255, 255 }, uint8_t alpha = 255, double zoom_x = 1, double zoom_y = 1, double angle = 0, uint8_t white = 0);

Texture* getTexture(const std::string& path, int num);

int getTextureGroupCount(const std::string& path);

TextureGroup* getTextureGroup(const std::string& path);

void setLoadFromPath(int l) { load_from_path_ = l; }

void setLoadAll(int l) { load_all_ = l; }

};