From fed2d16ad893f61a5d539c5c20f71216a1f7c1c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mustafa=20SAVA=C5=9E?= <mustafavesavas1@gmail.com>
Date: Mon, 9 Mar 2026 18:39:28 +0300
Subject: [PATCH 1/3] generic singleton instance pattern

---
 .../API/Features/CustomItem{T}.cs             | 181 ++++++++++++++++++
 .../API/Features/CustomRole{T}.cs             |  39 ++++
 2 files changed, 220 insertions(+)
 create mode 100644 EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
 create mode 100644 EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs

diff --git a/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs b/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
new file mode 100644
index 000000000..eca71f91a
--- /dev/null
+++ b/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
@@ -0,0 +1,181 @@
+// -----------------------------------------------------------------------
+// <copyright file="CustomItem{T}.cs" company="ExMod Team">
+// Copyright (c) ExMod Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+#pragma warning disable SA1402 // File may only contain a single type
+namespace Exiled.CustomItems.API.Features
+{
+    using YamlDotNet.Serialization;
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomItem"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomItem"/> type.</typeparam>
+    public abstract class CustomItem<T> : CustomItem
+        where T : CustomItem<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomItem"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomWeapon"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomWeapon"/> type.</typeparam>
+    public abstract class CustomWeapon<T> : CustomWeapon
+        where T : CustomWeapon<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomWeapon"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomKeycard"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomKeycard"/> type.</typeparam>
+    public abstract class CustomKeycard<T> : CustomKeycard
+        where T : CustomKeycard<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomKeycard"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomGrenade"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomGrenade"/> type.</typeparam>
+    public abstract class CustomGrenade<T> : CustomGrenade
+        where T : CustomGrenade<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomGrenade"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomArmor"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomArmor"/> type.</typeparam>
+    public abstract class CustomArmor<T> : CustomArmor
+        where T : CustomArmor<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomArmor"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomGoggles"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomGoggles"/> type.</typeparam>
+    public abstract class CustomGoggles<T> : CustomGoggles
+
+        where T : CustomGoggles<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomGoggles"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+}
+#pragma warning restore SA1402 // File may only contain a single type
\ No newline at end of file
diff --git a/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs b/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs
new file mode 100644
index 000000000..c91ffad08
--- /dev/null
+++ b/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs
@@ -0,0 +1,39 @@
+// -----------------------------------------------------------------------
+// <copyright file="CustomRole{T}.cs" company="ExMod Team">
+// Copyright (c) ExMod Team. All rights reserved.
+// Licensed under the CC BY-SA 3.0 license.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Exiled.CustomRoles.API.Features
+{
+    using YamlDotNet.Serialization;
+
+    /// <summary>
+    /// A generic base class for <see cref="CustomRole"/> that provides a typed singleton <see cref="Instance"/>.
+    /// </summary>
+    /// <typeparam name="T">The concrete <see cref="CustomRole"/> type.</typeparam>
+    public abstract class CustomRole<T> : CustomRole
+        where T : CustomRole<T>
+    {
+        /// <summary>
+        /// Gets the singleton instance of this <see cref="CustomRole"/>.
+        /// </summary>
+        [YamlIgnore]
+        public static T? Instance { get; private set; }
+
+        /// <inheritdoc/>
+        public override void Init()
+        {
+            base.Init();
+            Instance = this as T;
+        }
+
+        /// <inheritdoc/>
+        public override void Destroy()
+        {
+            Instance = null;
+            base.Destroy();
+        }
+    }
+}
\ No newline at end of file

From 3510f0ea20e0b31d10294b19eaa8c172e71d7c1c Mon Sep 17 00:00:00 2001
From: MS-crew <100300664+MS-crew@users.noreply.github.com>
Date: Tue, 17 Mar 2026 14:47:43 +0300
Subject: [PATCH 2/3] Update CustomItem{T}.cs

---
 EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs b/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
index eca71f91a..7d157b9a8 100644
--- a/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
+++ b/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
@@ -154,7 +154,6 @@ public override void Destroy()
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomGoggles"/> type.</typeparam>
     public abstract class CustomGoggles<T> : CustomGoggles
-
         where T : CustomGoggles<T>
     {
         /// <summary>

From ced753af79b15a136d85a1cef5c88976fd39888a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mustafa=20SAVA=C5=9E?= <mustafavesavas1@gmail.com>
Date: Sun, 29 Mar 2026 00:29:49 +0300
Subject: [PATCH 3/3] new for someone

---
 .../Exiled.CustomItems/API/Features/CustomItem{T}.cs | 12 ++++++------
 .../Exiled.CustomRoles/API/Features/CustomRole{T}.cs |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs b/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
index 7d157b9a8..65fd3bd07 100644
--- a/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
+++ b/EXILED/Exiled.CustomItems/API/Features/CustomItem{T}.cs
@@ -14,7 +14,7 @@ namespace Exiled.CustomItems.API.Features
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomItem"/> type.</typeparam>
     public abstract class CustomItem<T> : CustomItem
-        where T : CustomItem<T>
+        where T : CustomItem<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomItem"/>.
@@ -42,7 +42,7 @@ public override void Destroy()
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomWeapon"/> type.</typeparam>
     public abstract class CustomWeapon<T> : CustomWeapon
-        where T : CustomWeapon<T>
+        where T : CustomWeapon<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomWeapon"/>.
@@ -70,7 +70,7 @@ public override void Destroy()
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomKeycard"/> type.</typeparam>
     public abstract class CustomKeycard<T> : CustomKeycard
-        where T : CustomKeycard<T>
+        where T : CustomKeycard<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomKeycard"/>.
@@ -98,7 +98,7 @@ public override void Destroy()
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomGrenade"/> type.</typeparam>
     public abstract class CustomGrenade<T> : CustomGrenade
-        where T : CustomGrenade<T>
+        where T : CustomGrenade<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomGrenade"/>.
@@ -126,7 +126,7 @@ public override void Destroy()
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomArmor"/> type.</typeparam>
     public abstract class CustomArmor<T> : CustomArmor
-        where T : CustomArmor<T>
+        where T : CustomArmor<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomArmor"/>.
@@ -154,7 +154,7 @@ public override void Destroy()
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomGoggles"/> type.</typeparam>
     public abstract class CustomGoggles<T> : CustomGoggles
-        where T : CustomGoggles<T>
+        where T : CustomGoggles<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomGoggles"/>.
diff --git a/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs b/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs
index c91ffad08..5d4149e8c 100644
--- a/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs
+++ b/EXILED/Exiled.CustomRoles/API/Features/CustomRole{T}.cs
@@ -14,7 +14,7 @@ namespace Exiled.CustomRoles.API.Features
     /// </summary>
     /// <typeparam name="T">The concrete <see cref="CustomRole"/> type.</typeparam>
     public abstract class CustomRole<T> : CustomRole
-        where T : CustomRole<T>
+        where T : CustomRole<T>, new()
     {
         /// <summary>
         /// Gets the singleton instance of this <see cref="CustomRole"/>.