add whale

src/Aquarium.cpp

@@ -6,6 +6,7 @@
 #include "Seaweed.h"
 #include "Ship.h"
 #include "Waterline.h"
+#include "Whale.h"
 #include <algorithm>
 #include <iostream>
 
@@ -135,20 +136,26 @@ void Aquarium::addWaterline() { addEntityImpl<Waterline>(); }
 void Aquarium::addCastle() { addEntityImpl<Castle>(); }
 void Aquarium::addShip() { addEntityImpl<Ship>(); }
 void Aquarium::addSeaMonster() { addEntityImpl<SeaMonster>(); }
+void Aquarium::addWhale() { addEntityImpl<Whale>(); }
+
 void Aquarium::ensureBigEntityExists() {
   // Check if any big entities exist on screen
   for (const auto &entity : entities) {
     if (dynamic_cast<Ship *>(entity.get()) ||
-        dynamic_cast<SeaMonster *>(entity.get())) {
+        dynamic_cast<SeaMonster *>(entity.get()) ||
+        dynamic_cast<Whale *>(entity.get())) {
       return; // Big entity found, do nothing
     }
   }
 
-  // No big entity found, spawn next in cycle
+  // No big entity found, spawn next in cycle (Ship, SeaMonster, Whale)
-  if (big_entity_index % 2 == 0) {
+  int entity_type = big_entity_index % 3;
+  if (entity_type == 0) {
     addEntityImpl<Ship>();
-  } else {
+  } else if (entity_type == 1) {
     addEntityImpl<SeaMonster>();
+  } else {
+    addEntityImpl<Whale>();
   }
   ++big_entity_index;
 }

src/Aquarium.h

@@ -52,6 +52,7 @@ public:
   void addCastle();
   void addShip();
   void addSeaMonster();
+  void addWhale();
 
   void redraw();
   void initColors();

src/Whale.cpp

@@ -0,0 +1,60 @@
+#include "Whale.h"
+#include "Aquarium.h"
+#include "Random.h"
+#include "assets/WhaleAssets.h"
+
+Whale::Whale() : Whale(getRandomDirection()) {}
+
+Whale::Whale(int asset_index)
+    : Entity(), frames(whaleAssets[asset_index].frames),
+      mask(whaleAssets[asset_index].mask), speed(WHALE_SPEED),
+      moving_right(asset_index == 0) {
+
+  const auto &aquarium = Aquarium::getInstance();
+  y = 0;
+
+  // Use first frame for positioning calculations
+  const auto &first_frame = frames[0];
+  if (moving_right) {
+    x = -static_cast<float>(first_frame[6].length());
+  } else {
+    x = static_cast<float>(aquarium.getWidth());
+  }
+
+  current_image = first_frame;
+}
+
+int Whale::getRandomDirection() { return Random::intInRange(0, 1); }
+
+void Whale::update() noexcept {
+  x += moving_right ? speed : -speed;
+
+  ++animation_counter;
+
+  // Use longer delay for first frame (no water spout)
+  int current_delay =
+      (current_frame_index == 0) ? FIRST_FRAME_PAUSE : ANIMATION_DELAY;
+
+  if (animation_counter >= current_delay) {
+    current_frame_index = (current_frame_index + 1) % frames.size();
+    animation_counter = 0;
+  }
+}
+
+const std::vector<std::string> &Whale::getImage() const {
+  current_image = frames[current_frame_index];
+  return current_image;
+}
+
+bool Whale::shouldBeRemoved() const noexcept {
+  const auto &aquarium = Aquarium::getInstance();
+  const auto &first_frame = frames[0];
+
+  if (moving_right) {
+    return x > static_cast<float>(aquarium.getWidth());
+  } else {
+    return (x + static_cast<float>(first_frame[0].length())) < 0;
+  }
+}
+
+int Whale::getPreferredLayer() const noexcept { return 8; }

src/Whale.h

@@ -0,0 +1,34 @@
+#pragma once
+#include "Entity.h"
+#include "assets/WhaleAssets.h"
+
+class Whale : public Entity {
+private:
+  static constexpr float WHALE_SPEED = 1.0f;
+
+  const std::vector<std::vector<std::string>> frames;
+  const std::vector<std::string> &mask;
+  const float speed;
+  const bool moving_right;
+
+  int current_frame_index = 0;
+  int animation_counter = 0;
+  mutable std::vector<std::string> current_image;
+
+  static constexpr int ANIMATION_DELAY = 1;
+  static constexpr int FIRST_FRAME_PAUSE = 10;
+
+  explicit Whale(int asset_index);
+  static int getRandomDirection();
+
+public:
+  Whale();
+
+  void update() noexcept override;
+  const std::vector<std::string> &getImage() const override;
+  const std::vector<std::string> &getMask() const override { return mask; }
+  char getDefaultColor() const noexcept override { return 'B'; }
+
+  bool shouldBeRemoved() const noexcept override;
+  int getPreferredLayer() const noexcept override;
+};

src/assets/WhaleAssets.h

@@ -0,0 +1,53 @@
+#pragma once
+#include "../Entity.h"
+#include <vector>
+
+struct WhaleAsset {
+  std::vector<std::vector<std::string>> frames;
+  std::vector<std::string> mask;
+};
+
+inline const std::vector<WhaleAsset> whaleAssets = {
+    {{{{R"()", R"()", R"()", R"(        .-----.)", R"(      .'       `.)",
+        R"(,????/       (o) \)", R"(\`._/          ,__)"},
+       {R"()", R"()", R"(           :)", R"(        .-----.)",
+        R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"},
+       {R"()", R"(           :)", R"(           :)", R"(        .-----.)",
+        R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"},
+       {R"(          . .)", R"(          -:-)", R"(           :)",
+        R"(        .-----.)", R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"},
+       {R"(          . .)", R"(         .-.-.)", R"(           :)",
+        R"(        .-----.)", R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"},
+       {R"(          . .)", R"(        '.-:-.')", R"(        '  :  ')",
+        R"(        .-----.)", R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"},
+       {R"()", R"(         .- -.)", R"(        ;  :  ;)", R"(        .-----.)",
+        R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"},
+       {R"()", R"()", R"(        ;     ;)", R"(        .-----.)",
+        R"(      .'       `.)", R"(,????/       (o) \)",
+        R"(\`._/          ,__)"}},
+      {R"(          C C)", R"(        CCCCCCC)", R"(        C  C  C)", R"()",
+       R"()", R"(              W)", R"()"}},
+     {{{R"()", R"()", R"()", R"(    .-----.)", R"(  .'       `.)",
+        R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"()", R"()", R"(       :)", R"(    .-----.)", R"(  .'       `.)",
+        R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"()", R"(       :)", R"(       :)", R"(    .-----.)",
+        R"(  .'       `.)", R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"(      . .)", R"(      -:-)", R"(       :)", R"(    .-----.)",
+        R"(  .'       `.)", R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"(      . .)", R"(     .-.-.)", R"(       :)", R"(    .-----.)",
+        R"(  .'       `.)", R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"(      . .)", R"(    '.-:-.')", R"(    '  :  ')", R"(    .-----.)",
+        R"(  .'       `.)", R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"()", R"(     .- -.)", R"(    ;  :  ;)", R"(    .-----.)",
+        R"(  .'       `.)", R"( / (o)       \????)", R"((__,          \_.'/)"},
+       {R"()", R"()", R"(    ;     ;)", R"(    .-----.)", R"(  .'       `.)",
+        R"( / (o)       \????)", R"((__,          \_.'/)"}},
+      {R"(      C C)", R"(    CCCCCCC)", R"(    C  C  C)", R"()", R"()",
+       R"(    W)", R"()"}}}};