74 lines
2.1 KiB
C#
74 lines
2.1 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace Godot
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{
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public partial class GodotObject : System.IDisposable
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{
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private static readonly Dictionary<IntPtr, WeakReference> NativeInstanceCache = new Dictionary<IntPtr, WeakReference>();
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internal System.IntPtr NativePtr;
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private int ownedNativeRefCount;
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internal static T CreateFromNative<T>(System.IntPtr nativePtr) where T : GodotObject, new()
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{
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return CreateFromNative<T>(nativePtr, false);
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}
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internal static T CreateFromNative<T>(System.IntPtr nativePtr, bool ownsNativeRef) where T : GodotObject, new()
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{
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if (nativePtr == System.IntPtr.Zero)
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{
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return null;
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}
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WeakReference weakReference;
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if (NativeInstanceCache.TryGetValue(nativePtr, out weakReference))
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{
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T cached = weakReference.Target as T;
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if (cached != null && cached.NativePtr == nativePtr)
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{
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if (ownsNativeRef)
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{
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cached.ownedNativeRefCount++;
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}
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return cached;
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}
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}
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T instance = new T();
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instance.NativePtr = nativePtr;
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instance.ownedNativeRefCount = ownsNativeRef ? 1 : 0;
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NativeInstanceCache[nativePtr] = new WeakReference(instance);
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return instance;
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}
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~GodotObject()
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{
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Dispose(false);
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}
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public void Dispose()
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{
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Dispose(true);
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System.GC.SuppressFinalize(this);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (NativePtr == System.IntPtr.Zero)
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{
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return;
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}
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NativeInstanceCache.Remove(NativePtr);
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while (ownedNativeRefCount > 0)
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{
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NativeCalls.GodotObjectReleaseRefCounted(NativePtr);
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ownedNativeRefCount--;
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}
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NativePtr = System.IntPtr.Zero;
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}
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}
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}
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