Avoid address-of-temporary warning in btRigidBody_getOrientation

BulletSharpPInvoke/Collision/DefaultCollisionConfiguration.cs

@@ -221,7 +221,7 @@ namespace BulletSharp
 			{
 				if (_collisionAlgorithmPool == null)
 				{
-					_collisionAlgorithmPool = new PoolAllocator(btCollisionConfiguration_getCollisionAlgorithmPool(Native), true);
+					_collisionAlgorithmPool = new PoolAllocator(btCollisionConfiguration_getCollisionAlgorithmPool(Native));
 				}
 				return _collisionAlgorithmPool;
 			}
@@ -233,7 +233,7 @@ namespace BulletSharp
 			{
 				if (_persistentManifoldPool == null)
 				{
-					_persistentManifoldPool = new PoolAllocator(btCollisionConfiguration_getPersistentManifoldPool(Native), true);
+					_persistentManifoldPool = new PoolAllocator(btCollisionConfiguration_getPersistentManifoldPool(Native));
 				}
 				return _persistentManifoldPool;
 			}

BulletSharpPInvoke/Collision/UnionFind.cs

@@ -3,7 +3,7 @@ using static BulletSharp.UnsafeNativeMethods;
 
 namespace BulletSharp
 {
-	public class Element : IDisposable
+	public class Element
 	{
 		internal IntPtr Native;
 
@@ -12,11 +12,6 @@ namespace BulletSharp
 			Native = native;
 		}
 
-		public Element()
-		{
-			Native = btElement_new();
-		}
-
 		public int Id
 		{
 			get => btElement_getId(Native);
@@ -28,29 +23,9 @@ namespace BulletSharp
 			get => btElement_getSz(Native);
 			set => btElement_setSz(Native, value);
 		}
-
-		public void Dispose()
-		{
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
-
-		protected virtual void Dispose(bool disposing)
-		{
-			if (Native != IntPtr.Zero)
-			{
-				btElement_delete(Native);
-				Native = IntPtr.Zero;
-			}
-		}
-
-		~Element()
-		{
-			Dispose(false);
-		}
 	}
 
-	public class UnionFind : IDisposable
+	public class UnionFind
 	{
 		internal IntPtr Native;
 
@@ -59,11 +34,6 @@ namespace BulletSharp
 			Native = native;
 		}
 
-		public UnionFind()
-		{
-			Native = btUnionFind_new();
-		}
-
 		public void Allocate(int n)
 		{
 			btUnionFind_allocate(Native, n);
@@ -110,25 +80,5 @@ namespace BulletSharp
 		}
 
 		public int NumElements => btUnionFind_getNumElements(Native);
-
-		public void Dispose()
-		{
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
-
-		protected virtual void Dispose(bool disposing)
-		{
-			if (Native != IntPtr.Zero)
-			{
-				btUnionFind_delete(Native);
-				Native = IntPtr.Zero;
-			}
-		}
-
-		~UnionFind()
-		{
-			Dispose(false);
-		}
 	}
 }

BulletSharpPInvoke/LinearMath/PoolAllocator.cs

@@ -8,10 +8,10 @@ namespace BulletSharp
 		internal IntPtr _native;
 		private bool _preventDelete;
 
-		internal PoolAllocator(IntPtr native, bool preventDelete)
+		internal PoolAllocator(IntPtr native)
 		{
 			_native = native;
-			_preventDelete = preventDelete;
+			_preventDelete = true;
 		}
 
 		public PoolAllocator(int elemSize, int maxElements)

BulletSharpPInvoke/LinearMath/Serializer.cs

@@ -14,10 +14,10 @@ namespace BulletSharp
 		internal IntPtr _native;
 		private bool _preventDelete;
 
-		internal Chunk(IntPtr native, bool preventDelete)
+		internal Chunk(IntPtr native)
 		{
 			_native = native;
-			_preventDelete = preventDelete;
+			_preventDelete = true;
 		}
 
 		public Chunk()
@@ -184,7 +184,7 @@ namespace BulletSharp
 
 		private void FinalizeChunk(IntPtr chunkPtr, string structType, DnaID chunkCode, IntPtr oldPtr)
 		{
-			FinalizeChunk(new Chunk(chunkPtr, true), structType, chunkCode, oldPtr);
+			FinalizeChunk(new Chunk(chunkPtr), structType, chunkCode, oldPtr);
 		}
 
 		private IntPtr GetBufferPointer()
@@ -335,7 +335,7 @@ namespace BulletSharp
 			int length = (int)size * numElements;
 			IntPtr ptr = InternalAlloc(length + ChunkInd.Size);
 			IntPtr data = ptr + ChunkInd.Size;
-			Chunk chunk = new Chunk(ptr, true)
+			var chunk = new Chunk(ptr)
 			{
 				ChunkCode = 0,
 				OldPtr = data,

libbulletc/src/btRigidBody_wrap.cpp

@@ -437,7 +437,8 @@ int btRigidBody_getNumConstraintRefs(btRigidBody* obj)
 
 void btRigidBody_getOrientation(btRigidBody* obj, btQuaternion* value)
 {
-	BTQUATERNION_SET(value, obj->getOrientation());
+	ATTRIBUTE_ALIGNED16(btQuaternion) temp = obj->getOrientation();
+	BTQUATERNION_SET(value, temp);
 }
 
 void btRigidBody_getTotalForce(btRigidBody* obj, btVector3* value)