create bin dir

Makefile

@@ -24,6 +24,7 @@ all: $(EXEC)
 
 # Rule to link the object files into the final executable
 $(EXEC): $(OBJECTS)
+	@mkdir -p $(BIN_DIR)   # Make sure the bin dir exists
 	$(CXX) $(OBJECTS) -o $(EXEC) $(LDFLAGS)
 
 # Rule to compile .cpp files into .o files

src/Aquarium.cpp

@@ -91,7 +91,7 @@ void Aquarium::redraw() {
     auto &bubble = *it;
     bubble->draw();
     bubble->update();
-    if (bubble->getY() < 9)
+    if (bubble->isOutOfWater())
       it = bubbles.erase(it);
     else
       ++it;
@@ -137,7 +137,7 @@ void Aquarium::redraw() {
   applyBackBuffer();
 }
 
-void Aquarium::addBubble(float x, float y) {
+void Aquarium::addBubble(size_t x, size_t y) {
   bubbles.emplace_back(std::make_unique<Bubble>(x, y));
 }
 

src/Aquarium.h

@@ -80,7 +80,7 @@ public:
   [[nodiscard]] int getWidth() const { return width; }
   [[nodiscard]] int getHeight() const { return height; }
   void addFish();
-  void addBubble(float x, float y);
+  void addBubble(size_t x, size_t y);
   void addSeaweed();
   void addWaterline();
   void addCastle();

src/Bubble.cpp

@@ -2,25 +2,17 @@
 #include "Aquarium.h"
 #include <ncurses.h>
 
-Bubble::Bubble(float x, float y) : Entity() {
+Bubble::Bubble(size_t x, size_t y) : x(x), y(y) {}
-  this->x = x;
+
-  this->y = y;
+void Bubble::update() {
+  --y;
+  ++lifetime;
 }
 
-void Bubble::update() { y -= 1; }
+void Bubble::draw() const {
-
+  static const std::string colorString(1, BUBBLE_COLOR);
-void Bubble::draw() {
+  // Clamp frame index
-  lifetime++;
+  int frameIndex = std::min(lifetime / FRAMES_PER_ANIMATION, MAX_FRAME_INDEX);
-
+  Aquarium::getInstance().drawToBackBuffer(y, x, 0, BUBBLE_FRAMES[frameIndex],
-  // Determine the frame based on lifetime
+                                           colorString);
-  int frameNumber = lifetime / 9;
-  if (frameNumber > 2)
-    frameNumber = 2;
-
-  char frame = bubbleChars[frameNumber];
-
-  std::string line(1, frame);
-  std::string colorLine(1, 'c');
-
-  Aquarium::getInstance().drawToBackBuffer(y, x, 0, line, colorLine);
 }

src/Bubble.h

@@ -1,14 +1,21 @@
 #pragma once
-#include "Entity.h"
+#include <cstddef>
+#include <string>
 
-class Bubble : public Entity {
+class Bubble {
 private:
-  static constexpr char bubbleChars[3] = {'.', 'o', 'O'};
+  static constexpr const char *BUBBLE_FRAMES[3] = {".", "o", "O"};
+  static constexpr int FRAMES_PER_ANIMATION = 9;
+  static constexpr int MAX_FRAME_INDEX = 2;
+  static constexpr char BUBBLE_COLOR = 'c';
+  size_t x, y;
   int lifetime = 0;
 
 public:
-  Bubble(float x, float y);
+  Bubble(size_t x, size_t y);
+
+  bool isOutOfWater() const { return y < 5; }
 
   void update();
-  void draw();
+  void draw() const;
 };

src/Castle.cpp

@@ -1,39 +1,24 @@
 #include "Castle.h"
 #include "Aquarium.h"
+#include "assets/CastleAssets.h"
 
-const std::vector<std::string> Castle::image = {
+Castle::Castle()
-    R"(               T~~             )", R"(               |               )",
+    : x(Aquarium::getInstance().getWidth() - 32),
-    R"(              /^\              )", R"(             /   \             )",
+      y(Aquarium::getInstance().getHeight() - 13), image(castleAsset.image),
-    R"( _   _   _  /     \  _   _   _ )", R"([ ]_[ ]_[ ]/ _   _ \[ ]_[ ]_[ ])",
+      mask(castleAsset.mask) {}
-    R"(|_=__-_ =_|_[ ]_[ ]_|_=-___-__|)", R"( | _- =  | =_ = _    |= _=   | )",
-    R"( |= -[]  |- = _ =    |_-=_[] | )", R"( | =_    |= - ___    | =_ =  | )",
-    R"( |=  []- |-  /| |\   |=_ =[] | )", R"( |- =_   | =| | | |  |- = -  | )",
-    R"( |_______|__|_|_|_|__|_______| )"};
 
-const std::vector<std::string> Castle::mask = {
+void Castle::draw() const {
-    R"(                RR             )", R"(                               )",
+  auto &aquarium = Aquarium::getInstance();
-    R"(              yyy              )", R"(             y   y             )",
-    R"(            y     y            )", R"(           y       y           )",
-    R"(                               )", R"(                               )",
-    R"(                               )", R"(              yyy              )",
-    R"(             yy yy             )", R"(            y y y y            )",
-    R"(            yyyyyyy            )"};
 
-Castle::Castle() : Entity() {
-  x = Aquarium::getInstance().getWidth() - 32;
-  y = Aquarium::getInstance().getHeight() - 13;
-}
-
-void Castle::draw() {
   for (size_t i = 0; i < image.size(); ++i) {
     std::string currentLine;
     std::string colorLine;
+    currentLine.reserve(image[i].size());
+    colorLine.reserve(image[i].size());
 
     // Iterate over characters in the current line
     for (size_t j = 0; j < image[i].size(); ++j) {
       char ch = image[i][j];
-      if (ch == '?')
-        continue;
 
       char colorChar = 'K'; // default to black
       if (i < mask.size() && j < mask[i].size() && mask[i][j] != ' ')
@@ -44,9 +29,6 @@ void Castle::draw() {
       colorLine += colorChar;
     }
 
-    Aquarium::getInstance().drawToBackBuffer(y + i, x, 0, currentLine,
+    aquarium.drawToBackBuffer(y + i, x, 0, currentLine, colorLine);
-                                             colorLine);
   }
 }
-
-void Castle::update() { return; }

src/Castle.h

@@ -1,14 +1,14 @@
 #pragma once
-#include "Entity.h"
+#include <string>
+#include <vector>
 
-class Castle : public Entity {
+class Castle {
 private:
-  static const std::vector<std::string> image;
+  const size_t x, y;
-  static const std::vector<std::string> mask;
+  const std::vector<std::string> image;
+  const std::vector<std::string> mask;
 
 public:
   Castle();
-
+  void draw() const;
-  void draw();
-  void update();
 };

src/Fish.cpp

@@ -1,16 +1,16 @@
 #include "Fish.h"
 #include "Aquarium.h"
-#include "FishAssets.h"
 #include "Random.h"
+#include "assets/FishAssets.h"
 #include <ncurses.h>
 
-Fish::Fish() : Fish(getRandomFishPair()) {}
+Fish::Fish() : Fish(getRandomFishAsset()) {}
 
-Fish::Fish(const FishAssetPair &pair)
+Fish::Fish(const FishAssetRef &pair)
     : Entity(),
       speed((pair.index % 2 == 0) ? Random::floatInRange(0.25, 2.25)
                                   : -Random::floatInRange(0.25, 2.25)),
-      image(*pair.image), refMask(*pair.mask) {
+      image(pair.asset.image), mask(pair.asset.mask) {
   y = Random::intInRange(image.size() + 6,
                          Aquarium::getInstance().getHeight() - image.size());
 
@@ -19,50 +19,29 @@ Fish::Fish(const FishAssetPair &pair)
   randomizeMask();
 }
 
-std::vector<std::pair<std::vector<std::string>, std::vector<std::string>>>
-    Fish::fishPairs;
-
-bool Fish::initialized = false;
-
-void Fish::initializeFishAssets() {
-  if (initialized)
-    return;
-  fishPairs = fishAssetPairs;
-  initialized = true;
-}
-
 void Fish::randomizeMask() {
-  // Create a mapping of digit to color
+  std::unordered_map<char, char> colorMap{{'4', 'W'}};
-  std::unordered_map<char, char> colorMap;
-  mask = refMask;
 
-  // For each digit 1-9, assign a random color
   for (char digit = '1'; digit <= '9'; ++digit) {
+    if (digit != '4') {
       colorMap[digit] =
           availableColors[Random::intInRange(0, availableColors.size() - 1)];
     }
+  }
 
-  // Special case: '4' always maps to 'W'
-  colorMap['4'] = 'W';
-
-  // Apply the color mapping to each character in the mask
   for (auto &line : mask) {
-    for (auto &ch : line) {
+    for (char &ch : line) {
-      if (ch >= '1' && ch <= '9') {
+      if (auto it = colorMap.find(ch); it != colorMap.end()) {
-        ch = colorMap[ch];
+        ch = it->second;
       }
     }
   }
 }
 
-Fish::FishAssetPair Fish::getRandomFishPair() {
+Fish::FishAssetRef Fish::getRandomFishAsset() {
-  if (!initialized)
+  int index =
-    initializeFishAssets();
+      Random::intInRange(0, static_cast<int>(fishAssetPairs.size()) - 1);
-
+  return FishAssetRef{index, fishAssetPairs[index]};
-  int index = Random::intInRange(0, fishPairs.size() - 1);
-
-  return FishAssetPair{index, &fishPairs[index].first,
-                       &fishPairs[index].second};
 }
 
 void Fish::update() { x += speed; }

src/Fish.h

@@ -1,31 +1,26 @@
 #pragma once
 #include "Entity.h"
+#include "assets/FishAssets.h"
 #include <array>
 
 class Fish : public Entity {
 private:
-  struct FishAssetPair {
+  struct FishAssetRef {
     int index;
-    const std::vector<std::string> *image;
+    FishAsset &asset;
-    const std::vector<std::string> *mask;
   };
 
-  Fish(const FishAssetPair &pair);
+  Fish(const FishAssetRef &ref);
-
-  static std::vector<
-      std::pair<std::vector<std::string>, std::vector<std::string>>>
-      fishPairs;
   static bool initialized;
 
   const std::vector<std::string> &image;
-  const std::vector<std::string> &refMask;
+  std::vector<std::string> &mask;
-  std::vector<std::string> mask;
 
   static constexpr std::array<char, 12> availableColors = {
       'c', 'C', 'r', 'R', 'y', 'Y', 'b', 'B', 'g', 'G', 'm', 'M'};
 
   const float speed;
-  static FishAssetPair getRandomFishPair();
+  static FishAssetRef getRandomFishAsset();
 
   static void initializeFishAssets();
   void randomizeMask();

src/Waterline.cpp

@@ -3,38 +3,38 @@
 #include "Random.h"
 #include "defs.h"
 #include <algorithm>
-#include <ncurses.h>
 
-Waterline::Waterline() {
+Waterline::Waterline() : x(0), y(WATERLINE_Y) {
-  std::vector<std::string> baseShape = {
+  shape = {
       "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~", "^^^^ ^^^  ^^^   ^^^    ^^^^      ",
       "^^^^      ^^^^     ^^^    ^^     ", "^^      ^^^^      ^^^    ^^^^^^  "};
 
-  int seg_len = baseShape[0].size();
+  const size_t width = Aquarium::getInstance().getWidth();
-  int repeat = Aquarium::getInstance().getWidth() / seg_len + 1;
+  for (auto &line : shape) {
-
+    const std::string original = line;
-  for (auto &line : baseShape) {
+    while (line.size() < width) {
-    std::string original = line;
-    while (line.size() < Aquarium::getInstance().getWidth()) {
       line += original;
     }
+    colorLines.emplace_back(line.size(), WATERLINE_COLOR);
   }
-  shape = std::move(baseShape);
-  y = 5;
 }
 
-void Waterline::draw() {
+void Waterline::draw() const {
   for (size_t i = 0; i < shape.size(); ++i) {
-    Aquarium::getInstance().drawToBackBuffer(i + y, x, 0, shape[i],
+    Aquarium::getInstance().drawToBackBuffer(y + static_cast<int>(i), x, 0,
-                                             std::string(shape[i].size(), 'c'));
+                                             shape[i], colorLines[i]);
   }
 }
 
 void Waterline::update() {
+  // Skip the first line (index 0) as it's static
   for (size_t i = 1; i < shape.size(); ++i) {
-    // Probability increases with line index (later lines = higher chance)
+    // Probability increases with depth (higher index = more movement)
-    float chance = static_cast<float>(i) / shape.size();
+    float movementChance =
-    if (Random::floatInRange(0.0f, 1.0f) < chance * (1.0f / WAVE_MOVE_CHANCE)) {
+        static_cast<float>(i) / static_cast<float>(shape.size());
+    float threshold = movementChance / WAVE_MOVE_CHANCE;
+
+    if (Random::floatInRange(0.0f, 1.0f) < threshold) {
       int direction = Random::intInRange(0, 1) == 0 ? -1 : 1;
       shiftString(shape[i], direction);
     }
@@ -42,10 +42,7 @@ void Waterline::update() {
 }
 
 void Waterline::shiftString(std::string &str, int direction) {
-  if (str.empty() || (direction != 1 && direction != -1))
+  if (direction > 0) {
-    return;
-
-  if (direction == 1) {
     std::rotate(str.rbegin(), str.rbegin() + 1, str.rend());
   } else {
     std::rotate(str.begin(), str.begin() + 1, str.end());

src/Waterline.h

@@ -1,13 +1,21 @@
 #pragma once
-#include "Entity.h"
+#include <string>
+#include <vector>
 
-class Waterline : public Entity {
+class Waterline {
 private:
+  static constexpr int WATERLINE_Y = 5;
+  static constexpr char WATERLINE_COLOR = 'c';
+
+  size_t x, y;
   std::vector<std::string> shape;
-  void shiftString(std::string &, int direction);
+  std::vector<std::string> colorLines;
+
+  void shiftString(std::string &str, int direction);
+  void initializeShape();
 
 public:
   Waterline();
-  void draw();
+  void draw() const;
   void update();
 };

src/assets/CastleAssets.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+struct CastleAsset {
+  std::vector<std::string> image;
+  std::vector<std::string> mask;
+};
+
+inline CastleAsset castleAsset = {{
+      R"(               T~~)",
+      R"(               |)",
+      R"(              /^\)",
+      R"(             /   \)",
+      R"( _   _   _  /     \  _   _   _)",
+      R"([ ]_[ ]_[ ]/ _   _ \[ ]_[ ]_[ ])",
+      R"(|_=__-_ =_|_[ ]_[ ]_|_=-___-__|)",
+      R"( | _- =  | =_ = _    |= _=   |)",
+      R"( |= -[]  |- = _ =    |_-=_[] |)",
+      R"( | =_    |= - ___    | =_ =  |)",
+      R"( |=  []- |-  /| |\   |=_ =[] |)",
+      R"( |- =_   | =| | | |  |- = -  |)",
+      R"( |_______|__|_|_|_|__|_______|)"},
+       {
+      R"(                RR)",
+      R"()",
+      R"(              yyy)",
+      R"(             y   y)",
+      R"(            y     y)",
+      R"(           y       y)",
+      R"()",
+      R"()",
+      R"()",
+      R"(              yyy)",
+      R"(             yy yy)",
+      R"(            y y y y)",
+      R"(            yyyyyyy)"}};

src/assets/FishAssets.h

@@ -3,10 +3,12 @@
 #include <string>
 #include <vector>
 
-using FishAssetPairRaw =
+struct FishAsset {
-    std::pair<std::vector<std::string>, std::vector<std::string>>;
+  std::vector<std::string> image;
+  std::vector<std::string> mask;
+};
 
-inline std::vector<FishAssetPairRaw> fishAssetPairs = {
+inline std::vector<FishAsset> fishAssetPairs = {
   {
       {
        R"(???\)",
@@ -81,7 +83,7 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
    },
    {
      {
-       R"(???????,--,_???)",
+       R"(???????,--,_)",
        R"(__????_\.---'-.)",
        R"(\ '.-"     // o\)",
        R"(/_.'-._    \\  /)",
@@ -97,11 +99,11 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
    },
    {
      {
-       R"(????_,--,???????)",
+       R"(????_,--,)",
        R"(?.-'---./_????__)",
        R"(/o \\     "-.' /)",
        R"(\  //    _.-'._\)",
-       R"(?`"\)--"`???????)"
+       R"(?`"\)--"`)"
      },
      {
        R"(    22222)",
@@ -137,12 +139,12 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
    },
    {
      {
-      R"(????????_.-`\??????)",
+      R"(????????_.-`\)",
-      R"(?????-:`_..,_\?????)",
+      R"(?????-:`_..,_\)",
-      R"(('-..:-`   ,  '-.,?)",
+      R"(('-..:-`   ,  '-.,)",
       R"(?}  _      ;':( o :)",
-      R"((.-`/'-.,__'` _.-`?)",
+      R"((.-`/'-.,__'` _.-`)",
-      R"(???`'-.,/??//`?????)"
+      R"(???`'-.,/??//`)"
      },
      {
       R"(        22222)",
@@ -155,12 +157,12 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
    },
     {
     {
-      R"(??????/`-._????????)",
+      R"(??????/`-._)",
-      R"(?????/_,.._`:-?????)",
+      R"(?????/_,.._`:-)",
       R"(?,.-'  ,   `-:..-'))",
-      R"(: o ):';      _  {?)",
+      R"(: o ):';      _  {)",
       R"(?`-._ `'__,.-'\`-.))",
-      R"(?????`\\??\,.-'`???)"
+      R"(?????`\\??\,.-'`)"
     },
     {
       R"(      22222)",
@@ -173,12 +175,12 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
    },
   {
     {
-      R"(????????/\??????)",
+      R"(????????/\)",
-      R"(????????\.\_????)",
+      R"(????????\.\_)",
-      R"(\'-,.:-`    '-,?)",
+      R"(\'-,.:-`    '-,)",
       R"( )  _    (>( o <)",
-      R"(/.-`?':._  _.-`?)",
+      R"(/.-`?':._  _.-`)",
-      R"(??????;/?``?????)",
+      R"(??????;/?``)",
     },
     {
       R"(        22)",
@@ -191,12 +193,12 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
   },
   {
     {
-      R"(??????/\????????)",
+      R"(??????/\)",
-      R"(????_/./????????)",
+      R"(????_/./)",
       R"(?,-'    `-:.,-'/)",
       R"(> o )<)    _  ()",
       R"(?`-._  _.:'?`-.\)",
-      R"(?????``?\;??????)",
+      R"(?????``?\;)",
     },
     {
       R"(      22)",
@@ -209,10 +211,10 @@ inline std::vector<FishAssetPairRaw> fishAssetPairs = {
   },
   {
     {
-      R"(_?????????_.*"\??????)",
+      R"(_?????????_.*"\)",
-      R"(\'-._..-*`    `'*-.??)",
+      R"(\'-._..-*`    `'*-.)",
       R"(?)       ,     (( o >)",
-      R"(/.`"*--.__)_.`_.-*`??)"
+      R"(/.`"*--.__)_.`_.-*`)"
     },
     {
       R"(6         11222)",