From b7011a864b9dd8684d8c5b9629e08e5091e92744 Mon Sep 17 00:00:00 2001
From: Wugand <felweigand@web.de>
Date: Mon, 3 Jul 2017 11:08:36 +0200
Subject: [PATCH] Fix for memory leak at btCreateCompoundFromGimpactShape

This is an fix for issue #1213
---
 .../Gimpact/btCompoundFromGimpact.h           | 20 +++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/BulletCollision/Gimpact/btCompoundFromGimpact.h b/src/BulletCollision/Gimpact/btCompoundFromGimpact.h
index 02f8b678a..19f7ecddd 100644
--- a/src/BulletCollision/Gimpact/btCompoundFromGimpact.h
+++ b/src/BulletCollision/Gimpact/btCompoundFromGimpact.h
@@ -5,6 +5,22 @@
 #include "btGImpactShape.h"
 #include "BulletCollision/NarrowPhaseCollision/btRaycastCallback.h"
 
+ATTRIBUTE_ALIGNED16(class) btCompoundFromGimpactShape	: public btCompoundShape
+{
+public:
+	BT_DECLARE_ALIGNED_ALLOCATOR();
+
+	virtual ~btCompoundFromGimpactShape()
+	{
+		/*delete all the btBU_Simplex1to4 ChildShapes*/
+		for (int i = 0; i < m_children.size(); i++)
+		{
+			delete m_children[i].m_childShape;
+		}
+	}
+
+};
+
 struct MyCallback : public btTriangleRaycastCallback
 		{
 			int	m_ignorePart;
@@ -77,7 +93,7 @@ struct MyCallback : public btTriangleRaycastCallback
 		
 btCompoundShape*	btCreateCompoundFromGimpactShape(const btGImpactMeshShape* gimpactMesh, btScalar depth)
 {
-	btCompoundShape* colShape = new btCompoundShape();
+	btCompoundShape* colShape = new btCompoundFromGimpactShape();
 		
 		btTransform tr;
 		tr.setIdentity();
@@ -90,4 +106,4 @@ btCompoundShape*	btCreateCompoundFromGimpactShape(const btGImpactMeshShape* gimp
 	return colShape;	
 }	
 
-#endif //BT_COMPOUND_FROM_GIMPACT
\ No newline at end of file
+#endif //BT_COMPOUND_FROM_GIMPACT