68 lines
2.4 KiB
C#
68 lines
2.4 KiB
C#
using System.Collections.Generic;
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using Zenject;
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namespace FlappyBird.Gameplay.Pipes
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{
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/// <summary>
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/// Pure C# object pool for PipeView prefab instances.
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/// Pre-warming is deferred to Initialize() (called by Zenject after the
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/// container is fully built) to avoid a circular dependency:
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/// PipePool → Factory → PipeView → IPipePool → PipePool
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/// </summary>
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public sealed class PipePool : IPipePool, IInitializable
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{
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private readonly Stack<PipeView> _inactive = new Stack<PipeView>();
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private readonly PipeSettings _settings;
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private readonly PipeView.Factory _factory;
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/// <summary>Constructor injection — no instantiation here.</summary>
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public PipePool(PipeSettings settings, PipeView.Factory factory)
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{
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_settings = settings;
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_factory = factory;
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}
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// ── IInitializable ─────────────────────────────────────────────────
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/// <summary>
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/// Called by Zenject after all bindings are resolved.
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/// Safe to call Factory.Create() here because IPipePool is already registered.
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/// </summary>
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public void Initialize()
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{
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Prewarm(_settings.InitialPoolSize);
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}
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// ── IPipePool ──────────────────────────────────────────────────────
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/// <inheritdoc/>
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public PipeView Get()
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{
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PipeView pipe = _inactive.Count > 0
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? _inactive.Pop()
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: _factory.Create();
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pipe.OnSpawn();
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return pipe;
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}
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/// <inheritdoc/>
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public void Return(PipeView pipe)
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{
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pipe.OnDespawn();
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_inactive.Push(pipe);
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}
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// ── Private helpers ────────────────────────────────────────────────
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private void Prewarm(int count)
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{
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for (int i = 0; i < count; i++)
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{
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PipeView pipe = _factory.Create();
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pipe.OnDespawn();
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_inactive.Push(pipe);
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}
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}
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}
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} |