7 files changed, 16 insertions, 11 deletions
diff --git a/thirdparty/bullet/LinearMath/btAlignedAllocator.cpp b/thirdparty/bullet/LinearMath/btAlignedAllocator.cpp
index 39b302b600..be8f8aa6d0 100644
--- a/thirdparty/bullet/LinearMath/btAlignedAllocator.cpp
+++ b/thirdparty/bullet/LinearMath/btAlignedAllocator.cpp
@@ -138,7 +138,7 @@ struct btDebugPtrMagic
 	};
 };
 
-void *btAlignedAllocInternal(size_t size, int alignment, int line, char *filename)
+void *btAlignedAllocInternal(size_t size, int alignment, int line, const char *filename)
 {
 	if (size == 0)
 	{
@@ -195,7 +195,7 @@ void *btAlignedAllocInternal(size_t size, int alignment, int line, char *filenam
 	return (ret);
 }
 
-void btAlignedFreeInternal(void *ptr, int line, char *filename)
+void btAlignedFreeInternal(void *ptr, int line, const char *filename)
 {
 	void *real;
 
diff --git a/thirdparty/bullet/LinearMath/btAlignedAllocator.h b/thirdparty/bullet/LinearMath/btAlignedAllocator.h
index ce4d3585f1..971f62bfb0 100644
--- a/thirdparty/bullet/LinearMath/btAlignedAllocator.h
+++ b/thirdparty/bullet/LinearMath/btAlignedAllocator.h
@@ -35,9 +35,9 @@ int btDumpMemoryLeaks();
 #define btAlignedFree(ptr) \
 	btAlignedFreeInternal(ptr, __LINE__, __FILE__)
 
-void* btAlignedAllocInternal(size_t size, int alignment, int line, char* filename);
+void* btAlignedAllocInternal(size_t size, int alignment, int line, const char* filename);
 
-void btAlignedFreeInternal(void* ptr, int line, char* filename);
+void btAlignedFreeInternal(void* ptr, int line, const char* filename);
 
 #else
 void* btAlignedAllocInternal(size_t size, int alignment);
diff --git a/thirdparty/bullet/LinearMath/btConvexHullComputer.cpp b/thirdparty/bullet/LinearMath/btConvexHullComputer.cpp
index 8bbfdc5f25..12125fd2de 100644
--- a/thirdparty/bullet/LinearMath/btConvexHullComputer.cpp
+++ b/thirdparty/bullet/LinearMath/btConvexHullComputer.cpp
@@ -105,7 +105,7 @@ public:
 
 		Point64 cross(const Point32& b) const
 		{
-			return Point64(y * b.z - z * b.y, z * b.x - x * b.z, x * b.y - y * b.x);
+			return Point64(((int64_t)y) * b.z - ((int64_t)z) * b.y, ((int64_t)z) * b.x - ((int64_t)x) * b.z, ((int64_t)x) * b.y - ((int64_t)y) * b.x);
 		}
 
 		Point64 cross(const Point64& b) const
@@ -115,7 +115,7 @@ public:
 
 		int64_t dot(const Point32& b) const
 		{
-			return x * b.x + y * b.y + z * b.z;
+			return ((int64_t)x) * b.x + ((int64_t)y) * b.y + ((int64_t)z) * b.z;
 		}
 
 		int64_t dot(const Point64& b) const
@@ -2673,6 +2673,7 @@ btScalar btConvexHullComputer::compute(const void* coords, bool doubleCoords, in
 	}
 
 	vertices.resize(0);
+	original_vertex_index.resize(0);
 	edges.resize(0);
 	faces.resize(0);
 
@@ -2683,6 +2684,7 @@ btScalar btConvexHullComputer::compute(const void* coords, bool doubleCoords, in
 	{
 		btConvexHullInternal::Vertex* v = oldVertices[copied];
 		vertices.push_back(hull.getCoordinates(v));
+		original_vertex_index.push_back(v->point.index);
 		btConvexHullInternal::Edge* firstEdge = v->edges;
 		if (firstEdge)
 		{
diff --git a/thirdparty/bullet/LinearMath/btConvexHullComputer.h b/thirdparty/bullet/LinearMath/btConvexHullComputer.h
index cba684f2dc..18b26eea9a 100644
--- a/thirdparty/bullet/LinearMath/btConvexHullComputer.h
+++ b/thirdparty/bullet/LinearMath/btConvexHullComputer.h
@@ -66,6 +66,9 @@ public:
 	// Vertices of the output hull
 	btAlignedObjectArray<btVector3> vertices;
 
+	// The original vertex index in the input coords array
+	btAlignedObjectArray<int> original_vertex_index;
+
 	// Edges of the output hull
 	btAlignedObjectArray<Edge> edges;
 
diff --git a/thirdparty/bullet/LinearMath/btReducedVector.h b/thirdparty/bullet/LinearMath/btReducedVector.h
index 83b5e581e5..313a4271f0 100644
--- a/thirdparty/bullet/LinearMath/btReducedVector.h
+++ b/thirdparty/bullet/LinearMath/btReducedVector.h
@@ -267,7 +267,7 @@ public:
         std::sort(tuples.begin(), tuples.end());
         btAlignedObjectArray<int> new_indices;
         btAlignedObjectArray<btVector3> new_vecs;
-        for (int i = 0; i < tuples.size(); ++i)
+        for (size_t i = 0; i < tuples.size(); ++i)
         {
             new_indices.push_back(tuples[i].b);
             new_vecs.push_back(m_vecs[tuples[i].a]);
diff --git a/thirdparty/bullet/LinearMath/btScalar.h b/thirdparty/bullet/LinearMath/btScalar.h
index 86d94e8974..36b90cc944 100644
--- a/thirdparty/bullet/LinearMath/btScalar.h
+++ b/thirdparty/bullet/LinearMath/btScalar.h
@@ -25,7 +25,7 @@ subject to the following restrictions:
 #include <float.h>
 
 /* SVN $Revision$ on $Date$ from http://bullet.googlecode.com*/
-#define BT_BULLET_VERSION 289
+#define BT_BULLET_VERSION 307
 
 inline int btGetVersion()
 {
diff --git a/thirdparty/bullet/LinearMath/btSerializer.h b/thirdparty/bullet/LinearMath/btSerializer.h
index 2ee712047f..9abcf031d0 100644
--- a/thirdparty/bullet/LinearMath/btSerializer.h
+++ b/thirdparty/bullet/LinearMath/btSerializer.h
@@ -479,9 +479,9 @@ public:
 			buffer[8] = 'V';
 		}
 
-		buffer[9] = '2';
-		buffer[10] = '8';
-		buffer[11] = '9';
+		buffer[9] = '3';
+		buffer[10] = '0';
+		buffer[11] = '7';
 	}
 
 	virtual void startSerialization()