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Waterline.h (1073B)

      1 #pragma once
      2 #include "Entity.h"
      3 #include <array>
      4 
      5 class Waterline : public Entity {
      6 private:
      7   static constexpr int WATERLINE_Y = 5;
      8   static constexpr char WATERLINE_COLOR = 'c';
      9   static constexpr size_t NUM_WAVE_LAYERS = 4;
     10 
     11   // Use arrays instead of vectors for fixed-size data
     12   std::array<std::string, NUM_WAVE_LAYERS> shape;
     13   std::array<std::string, NUM_WAVE_LAYERS> colorLines;
     14 
     15   // Pre-compute shift operations
     16   void shiftStringLeft(std::string &str);
     17   void shiftStringRight(std::string &str);
     18 
     19 public:
     20   Waterline();
     21 
     22   void update() noexcept override;
     23   const std::vector<std::string> &getImage() const override;
     24   const std::vector<std::string> &getMask() const override;
     25   char getDefaultColor() const noexcept override { return WATERLINE_COLOR; }
     26 
     27   std::unique_ptr<Entity> createReplacement() const override { return nullptr; }
     28   int getPreferredLayer() const noexcept override { return 0; }
     29 
     30 private:
     31   // Cache vectors to avoid allocation each frame
     32   mutable std::vector<std::string> cached_image;
     33   mutable std::vector<std::string> cached_mask;
     34 };