Update Project

Assets/Scripts/Installers/GameInstaller.cs

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+using UnityEngine;
+using Zenject;
+using FlappyBird.Core;
+using FlappyBird.Gameplay;
+using FlappyBird.Gameplay.Bird;
+using FlappyBird.Gameplay.Pipes;
+
+namespace FlappyBird.Installers
+{
+    /// <summary>
+    /// Zenject MonoInstaller for core gameplay bindings.
+    /// Attach this to the SceneContext GameObject in each gameplay scene.
+    /// </summary>
+    public sealed class GameInstaller : MonoInstaller
+    {
+        [Header("Game Management")]
+        [Tooltip("GameManagerView MonoBehaviour in the scene.")]
+        [SerializeField] private GameManagerView _gameManagerView;
+
+        [Tooltip("BirdCollisionView MonoBehaviour on the bird GameObject.")]
+        [SerializeField] private BirdCollisionView _birdCollisionView;
+
+        [Header("Bird")]
+        [Tooltip("Drag the Bird GameObject here (must have Rigidbody2D).")]
+        [SerializeField] private BirdView _birdView;
+
+        [Tooltip("BirdSettings ScriptableObject asset.")]
+        [SerializeField] private BirdSettings _birdSettings;
+
+        [Header("Pipes")]
+        [Tooltip("PipeSettings ScriptableObject asset.")]
+        [SerializeField] private PipeSettings _pipeSettings;
+
+        [Tooltip("Pipe-pair prefab with a PipeView component.")]
+        [SerializeField] private PipeView _pipePrefab;
+
+        [Tooltip("PipeSpawnerTicker MonoBehaviour in the scene.")]
+        [SerializeField] private PipeSpawnerTicker _pipeSpawnerTicker;
+
+        public override void InstallBindings()
+        {
+            BindGameState();
+            BindScore();
+            BindBird();
+            BindPipes();
+            BindDeath();
+        }
+
+        // ── Game State ─────────────────────────────────────────────────────
+
+        private void BindGameState()
+        {
+            Container.Bind<IGameStateManager>()
+                     .To<GameStateManager>()
+                     .AsSingle();
+
+            // Bind the concrete MonoBehaviour so BirdCollisionView can resolve it by type.
+            Container.Bind<GameManagerView>()
+                     .FromInstance(_gameManagerView)
+                     .AsSingle();
+
+            Container.QueueForInject(_gameManagerView);
+            Container.QueueForInject(_birdCollisionView);
+        }
+
+        // ── Score ──────────────────────────────────────────────────────────
+
+        private void BindScore()
+        {
+            Container.Bind<IScoreManager>()
+                     .To<ScoreManager>()
+                     .AsSingle();
+        }
+
+        // ── Bird ───────────────────────────────────────────────────────────
+
+        private void BindBird()
+        {
+            Container.Bind<Rigidbody2D>()
+                     .FromComponentOn(_birdView.gameObject)
+                     .AsSingle();
+
+            Container.BindInstance(_birdSettings).AsSingle();
+
+            Container.Bind<IBirdController>()
+                     .To<BirdController>()
+                     .AsSingle();
+
+            Container.QueueForInject(_birdView);
+        }
+
+        // ── Pipes ──────────────────────────────────────────────────────────
+
+        private void BindPipes()
+        {
+            Container.BindInstance(_pipeSettings).AsSingle();
+
+            Container.BindFactory<PipeView, PipeView.Factory>()
+                     .FromComponentInNewPrefab(_pipePrefab)
+                     .AsSingle();
+
+            Container.BindInterfacesTo<PipePool>()
+                     .AsSingle();
+
+            Container.Bind<IPipeSpawner>()
+                     .To<PipeSpawner>()
+                     .AsSingle();
+
+            Container.QueueForInject(_pipeSpawnerTicker);
+        }
+
+        // ── Death ──────────────────────────────────────────────────────────
+
+        private void BindDeath()
+        {
+            // BindInterfacesTo registers the same instance for both
+            // IDeathHandler and IInitializable (so Zenject calls Initialize()).
+            Container.BindInterfacesTo<DeathHandler>()
+                     .AsSingle();
+        }
+    }
+}

Assets/Scripts/Installers/GameInstaller.cs.meta

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+fileFormatVersion: 2
+guid: f6e316c2c7fe1714eb17ba354038e4cf