774 lines
29 KiB
C#
774 lines
29 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using UnityEngine;
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namespace AlicizaX.ObjectPool
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{
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internal sealed partial class ObjectPoolService
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{
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private sealed class ObjectPool<T> : ObjectPoolBase, IObjectPool<T> where T : ObjectBase
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{
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private struct ObjectSlot
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{
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public T Obj;
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public int SpawnCount;
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public float LastUseTime;
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public int PrevByName;
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public int NextByName;
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public int PrevAvailableByName;
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public int NextAvailableByName;
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public int PrevUnused;
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public int NextUnused;
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public byte Flags;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsAlive() => (Flags & 1) != 0;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetAlive(bool alive)
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{
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if (alive) Flags |= 1;
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else Flags = 0;
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}
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}
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private ObjectSlot[] m_Slots;
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private int m_SlotCount;
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private int[] m_FreeStack;
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private int m_FreeTop;
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private readonly Dictionary<object, int> m_TargetMap;
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private readonly Dictionary<string, int> m_AllNameHeadMap;
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private readonly Dictionary<string, int> m_AvailableNameHeadMap;
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private readonly Dictionary<string, int> m_AvailableNameTailMap;
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private readonly bool m_AllowMultiSpawn;
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private float m_AutoReleaseInterval;
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private int m_Capacity;
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private float m_ExpireTime;
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private int m_Priority;
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private float m_AutoReleaseTime;
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private int m_PendingReleaseCount;
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private int m_ReleasePerFrameBudget;
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private int m_UnusedHead;
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private int m_UnusedTail;
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private int m_LastBudgetScanStart;
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private bool m_IsShuttingDown;
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private const int DefaultReleasePerFrame = 8;
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private const int InitSlotCapacity = 16;
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public ObjectPool(string name, bool allowMultiSpawn,
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float autoReleaseInterval, int capacity, float expireTime, int priority)
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: base(name)
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{
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int initCap = Math.Min(Math.Max(capacity, 1), InitSlotCapacity);
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m_Slots = new ObjectSlot[initCap];
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m_FreeStack = new int[initCap];
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m_TargetMap = new Dictionary<object, int>(initCap, AlicizaX.ReferenceComparer<object>.Instance);
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m_AllNameHeadMap = new Dictionary<string, int>(initCap, StringComparer.Ordinal);
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m_AvailableNameHeadMap = new Dictionary<string, int>(initCap, StringComparer.Ordinal);
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m_AvailableNameTailMap = new Dictionary<string, int>(initCap, StringComparer.Ordinal);
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m_AllowMultiSpawn = allowMultiSpawn;
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m_AutoReleaseInterval = autoReleaseInterval;
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m_Capacity = capacity;
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m_ExpireTime = expireTime;
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m_Priority = priority;
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m_AutoReleaseTime = 0f;
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m_PendingReleaseCount = 0;
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m_ReleasePerFrameBudget = DefaultReleasePerFrame;
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m_UnusedHead = -1;
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m_UnusedTail = -1;
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m_LastBudgetScanStart = -1;
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m_IsShuttingDown = false;
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}
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public override Type ObjectType => typeof(T);
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public override int Count => m_TargetMap.Count;
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public override bool AllowMultiSpawn => m_AllowMultiSpawn;
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public override float AutoReleaseInterval
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{
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get => m_AutoReleaseInterval;
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set
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{
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if (value < 0f) throw new GameFrameworkException("AutoReleaseInterval is invalid.");
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m_AutoReleaseInterval = value;
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}
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}
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public override int Capacity
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{
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get => m_Capacity;
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set
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{
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if (value < 0) throw new GameFrameworkException("Capacity is invalid.");
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m_Capacity = value;
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if (Count > m_Capacity) MarkRelease(Count - m_Capacity);
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}
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}
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public override float ExpireTime
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{
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get => m_ExpireTime;
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set
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{
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if (value < 0f) throw new GameFrameworkException("ExpireTime is invalid.");
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m_ExpireTime = value;
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}
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}
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public override int Priority
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{
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get => m_Priority;
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set => m_Priority = value;
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}
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public override int ReleasePerFrameBudget
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{
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get => m_ReleasePerFrameBudget;
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set => m_ReleasePerFrameBudget = Math.Max(1, value);
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}
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public void Register(T obj, bool spawned)
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{
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if (obj == null) throw new GameFrameworkException("Object is invalid.");
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if (obj.Target == null) throw new GameFrameworkException("Object target is invalid.");
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if (m_TargetMap.TryGetValue(obj.Target, out int existingIdx) && m_Slots[existingIdx].IsAlive())
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throw new GameFrameworkException(
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$"Target '{obj.Target.GetType().FullName}' is already registered in pool '{FullName}'.");
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int idx = AllocSlot();
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ref var slot = ref m_Slots[idx];
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slot.Obj = obj;
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slot.SpawnCount = spawned ? 1 : 0;
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slot.LastUseTime = Time.realtimeSinceStartup;
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slot.PrevByName = -1;
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slot.NextByName = -1;
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slot.PrevAvailableByName = -1;
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slot.NextAvailableByName = -1;
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slot.PrevUnused = -1;
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slot.NextUnused = -1;
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slot.SetAlive(true);
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m_TargetMap[obj.Target] = idx;
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string objectName = obj.Name ?? string.Empty;
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if (m_AllNameHeadMap.TryGetValue(objectName, out int existingHead))
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{
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m_Slots[existingHead].PrevByName = idx;
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slot.NextByName = existingHead;
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}
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m_AllNameHeadMap[objectName] = idx;
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obj.LastUseTime = slot.LastUseTime;
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if (spawned)
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obj.OnSpawn();
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else
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MarkSlotAvailable(idx);
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if (Count > m_Capacity) MarkRelease(Count - m_Capacity);
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ValidateState();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public T Spawn() => Spawn(string.Empty);
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public T Spawn(string name)
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{
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if (name == null) throw new GameFrameworkException("Name is invalid.");
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if (m_AllowMultiSpawn)
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return SpawnAny(name);
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if (!m_AvailableNameHeadMap.TryGetValue(name, out int head)) return null;
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float now = Time.realtimeSinceStartup;
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int current = head;
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while (current >= 0)
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{
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ref var slot = ref m_Slots[current];
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if (slot.IsAlive() && string.Equals(slot.Obj.Name, name)
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&& slot.SpawnCount == 0)
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{
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SpawnSlot(current, now);
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ValidateState();
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return slot.Obj;
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}
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current = slot.NextAvailableByName;
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}
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return null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool CanSpawn() => CanSpawn(string.Empty);
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public bool CanSpawn(string name)
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{
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if (name == null) throw new GameFrameworkException("Name is invalid.");
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if (m_AllowMultiSpawn)
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return m_AllNameHeadMap.ContainsKey(name);
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if (!m_AvailableNameHeadMap.TryGetValue(name, out int head)) return false;
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int current = head;
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while (current >= 0)
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{
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ref var slot = ref m_Slots[current];
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if (slot.IsAlive() && slot.SpawnCount == 0 && string.Equals(slot.Obj.Name, name))
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return true;
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current = slot.NextAvailableByName;
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}
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return false;
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}
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public void Unspawn(T obj)
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{
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if (obj == null) throw new GameFrameworkException("Object is invalid.");
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Unspawn(obj.Target);
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}
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public void Unspawn(object target)
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{
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if (target == null) throw new GameFrameworkException("Target is invalid.");
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if (!m_TargetMap.TryGetValue(target, out int idx))
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{
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if (m_IsShuttingDown) return;
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throw new GameFrameworkException(
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$"Cannot find target in pool '{Name}', type='{target.GetType().FullName}'");
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}
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UnspawnSlot(idx);
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ValidateState();
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}
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public override void Release()
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{
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MarkRelease(Count - m_Capacity);
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}
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public override void Release(int toReleaseCount)
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{
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MarkRelease(toReleaseCount);
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}
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public override void ReleaseAllUnused()
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{
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int released = 0;
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int current = m_UnusedHead;
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while (current >= 0)
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{
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int next = m_Slots[current].NextUnused;
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ref var slot = ref m_Slots[current];
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if (CanReleaseSlot(ref slot))
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{
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ReleaseSlot(current);
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released++;
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}
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current = next;
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}
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if (released > 0)
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{
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m_PendingReleaseCount = Math.Max(0, m_PendingReleaseCount - released);
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ShrinkStorageIfEmpty();
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ValidateState();
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}
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}
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internal override void Update(float elapseSeconds, float realElapseSeconds)
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{
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m_AutoReleaseTime += realElapseSeconds;
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if (m_AutoReleaseTime >= m_AutoReleaseInterval)
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{
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m_AutoReleaseTime = 0f;
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MarkRelease(Count - m_Capacity);
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}
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bool checkExpire = m_ExpireTime < float.MaxValue;
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if (m_PendingReleaseCount <= 0 && !checkExpire) return;
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float now = Time.realtimeSinceStartup;
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float expireThreshold = checkExpire ? now - m_ExpireTime : float.MinValue;
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if (m_PendingReleaseCount > 0)
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{
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int releaseBudget = Math.Min(m_ReleasePerFrameBudget, m_PendingReleaseCount);
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int releasedByBudget = ReleaseUnused(releaseBudget, false, float.MinValue);
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m_PendingReleaseCount = Math.Max(0, m_PendingReleaseCount - releasedByBudget);
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}
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else if (checkExpire)
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{
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ReleaseExpired(m_ReleasePerFrameBudget, expireThreshold);
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}
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}
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internal override void Shutdown()
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{
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m_IsShuttingDown = true;
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for (int i = 0; i < m_SlotCount; i++)
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{
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ref var slot = ref m_Slots[i];
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if (!slot.IsAlive()) continue;
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slot.Obj.Release(true);
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MemoryPool.Release(slot.Obj);
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slot.Obj = null;
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slot.SetAlive(false);
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}
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m_TargetMap.Clear();
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m_AllNameHeadMap.Clear();
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m_AvailableNameHeadMap.Clear();
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m_AvailableNameTailMap.Clear();
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m_SlotCount = 0;
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m_FreeTop = 0;
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m_PendingReleaseCount = 0;
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m_UnusedHead = -1;
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m_UnusedTail = -1;
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m_LastBudgetScanStart = -1;
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m_IsShuttingDown = false;
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ValidateState();
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}
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public override ObjectInfo[] GetAllObjectInfos()
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{
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var list = new ObjectInfo[m_TargetMap.Count];
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int write = 0;
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for (int i = 0; i < m_SlotCount && write < list.Length; i++)
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{
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ref var slot = ref m_Slots[i];
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if (!slot.IsAlive()) continue;
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list[write++] = new ObjectInfo(slot.Obj.Name, slot.Obj.Locked,
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slot.Obj.CustomCanReleaseFlag,
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slot.Obj.LastUseTime, slot.SpawnCount);
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}
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return list;
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}
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public override void GetAllObjectInfos(List<ObjectInfo> results)
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{
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if (results == null) throw new GameFrameworkException("Results is invalid.");
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results.Clear();
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for (int i = 0; i < m_SlotCount; i++)
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{
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ref var slot = ref m_Slots[i];
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if (!slot.IsAlive()) continue;
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results.Add(new ObjectInfo(slot.Obj.Name, slot.Obj.Locked,
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slot.Obj.CustomCanReleaseFlag,
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slot.Obj.LastUseTime, slot.SpawnCount));
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}
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}
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internal override void OnLowMemory()
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{
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ReleaseAllUnused();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private void SpawnSlot(int idx, float now)
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{
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ref var slot = ref m_Slots[idx];
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if (slot.SpawnCount == 0)
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MarkSlotUnavailable(idx);
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slot.SpawnCount++;
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slot.LastUseTime = now;
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slot.Obj.LastUseTime = now;
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slot.Obj.OnSpawn();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private void UnspawnSlot(int idx)
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{
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ref var slot = ref m_Slots[idx];
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float now = Time.realtimeSinceStartup;
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slot.LastUseTime = now;
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slot.Obj.LastUseTime = now;
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slot.Obj.OnUnspawn();
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slot.SpawnCount--;
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if (slot.SpawnCount < 0)
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throw new GameFrameworkException($"Object '{slot.Obj.Name}' spawn count < 0.");
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if (slot.SpawnCount == 0)
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MarkSlotAvailable(idx);
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if (Count > m_Capacity && slot.SpawnCount == 0)
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MarkRelease(Count - m_Capacity);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private void MarkRelease(int count)
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{
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if (count > 0)
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m_PendingReleaseCount = Math.Max(m_PendingReleaseCount, count);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private int AllocSlot()
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{
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if (m_FreeTop > 0)
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return m_FreeStack[--m_FreeTop];
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if (m_SlotCount >= m_Slots.Length)
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GrowSlots();
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return m_SlotCount++;
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}
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private void GrowSlots()
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{
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int newCap = Math.Max(m_Slots.Length * 2, InitSlotCapacity);
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Array.Resize(ref m_Slots, newCap);
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Array.Resize(ref m_FreeStack, newCap);
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}
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private void ReleaseSlot(int idx)
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{
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ref var slot = ref m_Slots[idx];
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if (!slot.IsAlive()) return;
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T obj = slot.Obj;
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if (slot.SpawnCount == 0)
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MarkSlotUnavailable(idx);
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RemoveFromAllNameChain(idx);
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m_TargetMap.Remove(obj.Target);
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obj.Release(false);
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MemoryPool.Release(obj);
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slot.Obj = null;
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slot.SetAlive(false);
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slot.SpawnCount = 0;
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slot.PrevByName = -1;
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slot.NextByName = -1;
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slot.PrevAvailableByName = -1;
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slot.NextAvailableByName = -1;
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slot.PrevUnused = -1;
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slot.NextUnused = -1;
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if (m_FreeTop >= m_FreeStack.Length)
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Array.Resize(ref m_FreeStack, m_FreeStack.Length * 2);
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m_FreeStack[m_FreeTop++] = idx;
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ShrinkStorageIfEmpty();
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}
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private void RemoveFromAllNameChain(int idx)
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{
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ref var slot = ref m_Slots[idx];
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string objectName = slot.Obj.Name ?? string.Empty;
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if (!m_AllNameHeadMap.TryGetValue(objectName, out int head))
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return;
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int prev = slot.PrevByName;
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int next = slot.NextByName;
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if (prev >= 0)
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{
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m_Slots[prev].NextByName = next;
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}
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else
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{
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if (head != idx)
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throw new GameFrameworkException($"Object pool '{FullName}' all-name chain is inconsistent.");
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if (next >= 0)
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m_AllNameHeadMap[objectName] = next;
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else
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m_AllNameHeadMap.Remove(objectName);
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}
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if (next >= 0)
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m_Slots[next].PrevByName = prev;
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slot.PrevByName = -1;
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slot.NextByName = -1;
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}
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private int ReleaseUnused(int maxReleaseCount, bool requireExpired, float expireThreshold)
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{
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int released = 0;
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int current = requireExpired ? m_UnusedHead : GetBudgetScanStart();
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while (current >= 0 && released < maxReleaseCount)
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{
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ref var slot = ref m_Slots[current];
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int next = slot.NextUnused;
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if (requireExpired && slot.LastUseTime > expireThreshold)
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{
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break;
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}
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if (CanReleaseSlot(ref slot))
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{
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ReleaseSlot(current);
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released++;
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}
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current = next;
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}
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if (!requireExpired)
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{
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m_LastBudgetScanStart = current >= 0 ? current : m_UnusedHead;
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}
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return released;
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}
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private void ReleaseExpired(int maxReleaseCount, float expireThreshold)
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{
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ReleaseUnused(maxReleaseCount, true, expireThreshold);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private int GetBudgetScanStart()
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{
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if (m_LastBudgetScanStart >= 0)
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{
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ref var slot = ref m_Slots[m_LastBudgetScanStart];
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if (slot.IsAlive() && slot.SpawnCount == 0)
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{
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return m_LastBudgetScanStart;
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}
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}
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return m_UnusedHead;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private static bool CanReleaseSlot(ref ObjectSlot slot)
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{
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return slot.IsAlive()
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&& slot.SpawnCount == 0
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&& !slot.Obj.Locked
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&& slot.Obj.CustomCanReleaseFlag;
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}
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private void ShrinkStorageIfEmpty()
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{
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if (m_TargetMap.Count > 0 || m_Slots.Length <= InitSlotCapacity)
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return;
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m_Slots = new ObjectSlot[InitSlotCapacity];
|
|
m_FreeStack = new int[InitSlotCapacity];
|
|
m_AllNameHeadMap.Clear();
|
|
m_AvailableNameHeadMap.Clear();
|
|
m_AvailableNameTailMap.Clear();
|
|
m_SlotCount = 0;
|
|
m_FreeTop = 0;
|
|
m_UnusedHead = -1;
|
|
m_UnusedTail = -1;
|
|
m_LastBudgetScanStart = -1;
|
|
}
|
|
|
|
[Conditional("UNITY_EDITOR"), Conditional("DEVELOPMENT_BUILD")]
|
|
private void ValidateState()
|
|
{
|
|
int aliveCount = 0;
|
|
int unusedCount = 0;
|
|
for (int i = 0; i < m_SlotCount; i++)
|
|
{
|
|
ref var slot = ref m_Slots[i];
|
|
if (!slot.IsAlive())
|
|
continue;
|
|
|
|
aliveCount++;
|
|
|
|
object target = slot.Obj.Target;
|
|
if (!m_TargetMap.TryGetValue(target, out int mappedIdx) || mappedIdx != i)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' target index map is inconsistent.");
|
|
|
|
string objectName = slot.Obj.Name ?? string.Empty;
|
|
if (!m_AllNameHeadMap.TryGetValue(objectName, out int head))
|
|
throw new GameFrameworkException($"Object pool '{FullName}' all-name head is missing.");
|
|
|
|
if (slot.PrevByName < 0 && head != i)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' all-name chain head is inconsistent.");
|
|
|
|
if (slot.NextByName >= 0 && m_Slots[slot.NextByName].PrevByName != i)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' all-name chain link is inconsistent.");
|
|
|
|
bool inUnusedList = m_UnusedHead == i || slot.PrevUnused >= 0 || slot.NextUnused >= 0;
|
|
bool inAvailableList = false;
|
|
|
|
if (slot.SpawnCount == 0)
|
|
{
|
|
unusedCount++;
|
|
if (!inUnusedList)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' unused list is inconsistent.");
|
|
|
|
if (!m_AvailableNameHeadMap.TryGetValue(objectName, out int availableHead))
|
|
throw new GameFrameworkException($"Object pool '{FullName}' available-name head is missing.");
|
|
|
|
inAvailableList = availableHead == i || slot.PrevAvailableByName >= 0 || slot.NextAvailableByName >= 0;
|
|
if (!inAvailableList)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' available-name chain is inconsistent.");
|
|
|
|
if (slot.NextAvailableByName >= 0 && m_Slots[slot.NextAvailableByName].PrevAvailableByName != i)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' available-name link is inconsistent.");
|
|
}
|
|
else
|
|
{
|
|
if (inUnusedList)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' spawned object exists in unused list.");
|
|
|
|
if (slot.PrevAvailableByName >= 0 || slot.NextAvailableByName >= 0)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' spawned object exists in available chain.");
|
|
}
|
|
}
|
|
|
|
if (aliveCount != m_TargetMap.Count)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' alive count is inconsistent.");
|
|
|
|
int walkUnusedCount = 0;
|
|
int current = m_UnusedHead;
|
|
int prevUnused = -1;
|
|
while (current >= 0)
|
|
{
|
|
ref var slot = ref m_Slots[current];
|
|
if (!slot.IsAlive() || slot.SpawnCount != 0)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' unused chain contains invalid slot.");
|
|
if (slot.PrevUnused != prevUnused)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' unused chain linkage is inconsistent.");
|
|
|
|
walkUnusedCount++;
|
|
prevUnused = current;
|
|
current = slot.NextUnused;
|
|
}
|
|
|
|
if (walkUnusedCount != unusedCount)
|
|
throw new GameFrameworkException($"Object pool '{FullName}' unused chain count is inconsistent.");
|
|
}
|
|
|
|
private void MarkSlotAvailable(int idx)
|
|
{
|
|
AddToUnusedListTail(idx);
|
|
AddToAvailableNameChain(idx);
|
|
}
|
|
|
|
private void MarkSlotUnavailable(int idx)
|
|
{
|
|
RemoveFromUnusedList(idx);
|
|
RemoveFromAvailableNameChain(idx);
|
|
}
|
|
|
|
private void AddToUnusedListTail(int idx)
|
|
{
|
|
ref var slot = ref m_Slots[idx];
|
|
if (m_UnusedHead == idx || slot.PrevUnused >= 0 || slot.NextUnused >= 0)
|
|
return;
|
|
|
|
slot.PrevUnused = m_UnusedTail;
|
|
slot.NextUnused = -1;
|
|
|
|
if (m_UnusedTail >= 0)
|
|
m_Slots[m_UnusedTail].NextUnused = idx;
|
|
else
|
|
m_UnusedHead = idx;
|
|
|
|
m_UnusedTail = idx;
|
|
}
|
|
|
|
private void RemoveFromUnusedList(int idx)
|
|
{
|
|
ref var slot = ref m_Slots[idx];
|
|
if (m_UnusedHead != idx && slot.PrevUnused < 0 && slot.NextUnused < 0)
|
|
return;
|
|
|
|
int prev = slot.PrevUnused;
|
|
int next = slot.NextUnused;
|
|
|
|
if (prev >= 0)
|
|
m_Slots[prev].NextUnused = next;
|
|
else
|
|
m_UnusedHead = next;
|
|
|
|
if (next >= 0)
|
|
m_Slots[next].PrevUnused = prev;
|
|
else
|
|
m_UnusedTail = prev;
|
|
|
|
slot.PrevUnused = -1;
|
|
slot.NextUnused = -1;
|
|
|
|
if (m_LastBudgetScanStart == idx)
|
|
m_LastBudgetScanStart = next >= 0 ? next : m_UnusedHead;
|
|
}
|
|
|
|
private void AddToAvailableNameChain(int idx)
|
|
{
|
|
ref var slot = ref m_Slots[idx];
|
|
if (slot.PrevAvailableByName >= 0 || slot.NextAvailableByName >= 0)
|
|
return;
|
|
|
|
string objectName = slot.Obj.Name ?? string.Empty;
|
|
if (m_AvailableNameTailMap.TryGetValue(objectName, out int tail))
|
|
{
|
|
m_Slots[tail].NextAvailableByName = idx;
|
|
slot.PrevAvailableByName = tail;
|
|
slot.NextAvailableByName = -1;
|
|
m_AvailableNameTailMap[objectName] = idx;
|
|
}
|
|
else
|
|
{
|
|
slot.PrevAvailableByName = -1;
|
|
slot.NextAvailableByName = -1;
|
|
m_AvailableNameHeadMap[objectName] = idx;
|
|
m_AvailableNameTailMap[objectName] = idx;
|
|
}
|
|
}
|
|
|
|
private void RemoveFromAvailableNameChain(int idx)
|
|
{
|
|
ref var slot = ref m_Slots[idx];
|
|
string objectName = slot.Obj.Name ?? string.Empty;
|
|
if (slot.PrevAvailableByName < 0
|
|
&& slot.NextAvailableByName < 0
|
|
&& (!m_AvailableNameHeadMap.TryGetValue(objectName, out int head) || head != idx))
|
|
{
|
|
return;
|
|
}
|
|
|
|
int prev = slot.PrevAvailableByName;
|
|
int next = slot.NextAvailableByName;
|
|
|
|
if (prev >= 0)
|
|
m_Slots[prev].NextAvailableByName = next;
|
|
else if (next >= 0)
|
|
m_AvailableNameHeadMap[objectName] = next;
|
|
else
|
|
m_AvailableNameHeadMap.Remove(objectName);
|
|
|
|
if (next >= 0)
|
|
m_Slots[next].PrevAvailableByName = prev;
|
|
else if (prev >= 0)
|
|
m_AvailableNameTailMap[objectName] = prev;
|
|
else
|
|
m_AvailableNameTailMap.Remove(objectName);
|
|
|
|
slot.PrevAvailableByName = -1;
|
|
slot.NextAvailableByName = -1;
|
|
}
|
|
|
|
private T SpawnAny(string name)
|
|
{
|
|
if (!m_AllNameHeadMap.TryGetValue(name, out int head))
|
|
return null;
|
|
|
|
float now = Time.realtimeSinceStartup;
|
|
ref var slot = ref m_Slots[head];
|
|
if (!slot.IsAlive() || !string.Equals(slot.Obj.Name, name, StringComparison.Ordinal))
|
|
return null;
|
|
|
|
SpawnSlot(head, now);
|
|
return slot.Obj;
|
|
}
|
|
}
|
|
}
|
|
}
|