Initial engine repository

2026-06-08 19:58:35 +08:00
commit 7a925c3736
137 changed files with 162421 additions and 0 deletions
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+#pragma once
+
+#include <frostbite2D/2d/actor.h>
+#include <frostbite2D/graphics/texture.h>
+#include <frostbite2D/graphics/shader.h>
+#include <frostbite2D/graphics/types.h>
+#include <string>
+
+namespace frostbite2D {
+
+class Sprite : public Actor {
+public:
+  Sprite();
+  explicit Sprite(Ptr<Texture> texture);
+  virtual ~Sprite();
+
+  static Ptr<Sprite> createFromFile(const std::string& path);
+  static Ptr<Sprite> createFromMemory(const uint8* data, int width, int height, int channels);
+  static Ptr<Sprite> createFromNpk(const std::string& imgPath, size_t frameIndex = 0);
+
+  void Render() override;
+
+  void SetTexture(Ptr<Texture> texture);
+  Ptr<Texture> GetTexture() const { return texture_; }
+
+  void SetShader(const std::string& shaderName);
+  void SetDefaultShader();
+  const std::string& GetShaderName() const { return shaderName_; }
+  bool HasCustomShader() const { return !shaderName_.empty(); }
+
+  void SetSourceRect(const Rect& rect);
+  const Rect& GetSourceRect() const { return srcRect_; }
+
+  void SetColor(const Color& color);
+  void SetColor(float r, float g, float b, float a = 1.0f);
+  const Color& GetColor() const { return color_; }
+
+  void SetFlippedX(bool flipped);
+  void SetFlippedY(bool flipped);
+  bool IsFlippedX() const { return flippedX_; }
+  bool IsFlippedY() const { return flippedY_; }
+
+  void SetBlendMode(BlendMode mode);
+  BlendMode GetBlendMode() const { return blendMode_; }
+
+  void SetSizeToTexture();
+
+  const Vec2& GetOffset() const { return offset_; }
+  void SetOffset(const Vec2& offset);
+  void SetOffset(float x, float y);
+
+protected:
+  virtual void ConfigureShader(Shader* shader) const;
+  void updateTransform();
+  Shader* getActiveShader() const;
+  Quad createQuad() const;
+
+private:
+  Ptr<Texture> texture_;
+  std::string shaderName_;
+  Color color_ = Color(1.0f, 1.0f, 1.0f, 1.0f);
+  Rect srcRect_;
+  bool flippedX_ = false;
+  bool flippedY_ = false;
+  BlendMode blendMode_ = BlendMode::Normal;
+  Vec2 offset_ = Vec2::Zero();
+  Transform2D transform_;
+
+  static constexpr const char* DEFAULT_SHADER = "sprite";
+};
+
+}