#include "Sprite.h"
#include "EngineCore/Game.h"
#include "Text.h"
Sprite::Sprite()
{
}

Sprite::Sprite(std::string imgPath, int Index)
{
    Init(imgPath, Index);
}

Sprite::~Sprite()
{
    SDL_DestroyTexture(m_texture);
}

void Sprite::Init(std::string imgPath, int Index)
{
    Asset_ImagePack::IMG *Info = Asset_ImagePack::GetInstance().GetIMG(imgPath);
    Asset_ImagePack::ImgInfo &Buf = Info->lp_lplist[Index];

    m_texture = SDL_CreateTexture(
        Game::GetInstance().GetRenderer(),
        SDL_PIXELFORMAT_ARGB8888, // 匹配RGBA数据格式
        SDL_TEXTUREACCESS_STREAMING,
        Buf.Width, Buf.Height);
    if (!m_texture)
    {
        SDL_Log("纹理创建失败: %s", SDL_GetError());
    }
    int pitch = Buf.Width * 4;
    SDL_UpdateTexture(m_texture, NULL, Buf.PNGdata, pitch);

    if (Info != NULL)
    {
        // SDL_Log("第%d张图片的宽度为%d，高度为%d\n", Index, Buf.Width, Buf.Height);
    }
    TextureSize.x = Buf.Width;
    TextureSize.y = Buf.Height;
    Size.x = Buf.Width;
    Size.y = Buf.Height;
}

SDL_Texture *Sprite::GetTexture()
{
    return m_texture;
}

void Sprite::HandleEvents(SDL_Event *e)
{
}

void Sprite::Update(float deltaTime)
{
}

void Sprite::Render(float deltaTime)
{
    SDL_Renderer *renderer = Game::GetInstance().GetRenderer();
    if (!m_texture)
        return;
    SDL_Rect dstrect = {Pos.x, Pos.y, Size.x, Size.y};

    if (Angle != 0 || flip != SDL_FLIP_NONE)
    {
        SDL_RenderCopyEx(renderer, m_texture, NULL, &dstrect, Angle, &Anchor, flip);
    }
    else
        SDL_RenderCopy(renderer, m_texture, NULL, &dstrect);
}

void Sprite::Clear()
{
}

void Sprite::SetPos(SDL_Point pos)
{
    Pos = pos;
}

void Sprite::SetBlendMode(SDL_BlendMode blendMode)
{
    SDL_SetTextureBlendMode(m_texture, blendMode);
}

void Sprite::SetAngle(float angle)
{
    Angle = angle;
}

void Sprite::SetAnchor(SDL_FPoint anchor)
{
    Anchor.x = Size.x * anchor.x;
    Anchor.y = Size.y * anchor.y;
}

SDL_Point Sprite::GetPos()
{
    return Pos;
}


SDL_BlendMode Sprite::GetBlendMode()
{
    SDL_BlendMode blendMode;
    SDL_GetTextureBlendMode(m_texture, &blendMode);
    return blendMode;
}

float Sprite::GetAngle()
{
    return Angle;
}

SDL_FPoint Sprite::GetAnchor()
{
    SDL_FPoint P;
    P.x = Anchor.x / Size.x;
    P.y = Anchor.y / Size.y;
    return P;
}