123 lines
2.3 KiB
C++
123 lines
2.3 KiB
C++
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#include "Sprite.h"
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#include "EngineCore/Game.h"
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#include "Text.h"
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Sprite::Sprite()
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{
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}
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Sprite::Sprite(std::string imgPath, int Index)
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{
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Init(imgPath, Index);
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}
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Sprite::~Sprite()
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{
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SDL_DestroyTexture(m_texture);
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}
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void Sprite::Init(std::string imgPath, int Index)
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{
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Asset_ImagePack::IMG *Info = Asset_ImagePack::GetInstance().GetIMG(imgPath);
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Asset_ImagePack::ImgInfo &Buf = Info->lp_lplist[Index];
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m_texture = SDL_CreateTexture(
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Game::GetInstance().GetRenderer(),
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SDL_PIXELFORMAT_ARGB8888, // 匹配RGBA数据格式
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SDL_TEXTUREACCESS_STREAMING,
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Buf.Width, Buf.Height);
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if (!m_texture)
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{
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SDL_Log("纹理创建失败: %s", SDL_GetError());
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}
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int pitch = Buf.Width * 4;
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SDL_UpdateTexture(m_texture, NULL, Buf.PNGdata, pitch);
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if (Info != NULL)
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{
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// SDL_Log("第%d张图片的宽度为%d，高度为%d\n", Index, Buf.Width, Buf.Height);
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}
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TextureSize.x = Buf.Width;
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TextureSize.y = Buf.Height;
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Size.x = Buf.Width;
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Size.y = Buf.Height;
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}
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SDL_Texture *Sprite::GetTexture()
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{
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return m_texture;
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}
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void Sprite::HandleEvents(SDL_Event *e)
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{
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}
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void Sprite::Update(float deltaTime)
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{
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}
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void Sprite::Render(float deltaTime)
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{
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SDL_Renderer *renderer = Game::GetInstance().GetRenderer();
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if (!m_texture)
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return;
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SDL_Rect dstrect = {Pos.x, Pos.y, Size.x, Size.y};
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if (Angle != 0 || flip != SDL_FLIP_NONE)
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{
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SDL_RenderCopyEx(renderer, m_texture, NULL, &dstrect, Angle, &Anchor, flip);
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}
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else
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SDL_RenderCopy(renderer, m_texture, NULL, &dstrect);
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}
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void Sprite::Clear()
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{
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}
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void Sprite::SetPos(SDL_Point pos)
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{
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Pos = pos;
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}
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void Sprite::SetBlendMode(SDL_BlendMode blendMode)
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{
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SDL_SetTextureBlendMode(m_texture, blendMode);
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}
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void Sprite::SetAngle(float angle)
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{
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Angle = angle;
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}
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void Sprite::SetAnchor(SDL_FPoint anchor)
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{
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Anchor.x = Size.x * anchor.x;
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Anchor.y = Size.y * anchor.y;
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}
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SDL_Point Sprite::GetPos()
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{
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return Pos;
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}
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SDL_BlendMode Sprite::GetBlendMode()
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{
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SDL_BlendMode blendMode;
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SDL_GetTextureBlendMode(m_texture, &blendMode);
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return blendMode;
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}
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float Sprite::GetAngle()
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{
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return Angle;
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}
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SDL_FPoint Sprite::GetAnchor()
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{
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SDL_FPoint P;
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P.x = Anchor.x / Size.x;
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P.y = Anchor.y / Size.y;
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return P;
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}
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