New mesh policy

Former-commit-id: cc5854d55e1e4bb83e5e081434b87ec22fcb8bff

src/Nazara/Utility/StaticMesh.cpp

@@ -63,6 +63,8 @@ bool NzStaticMesh::GenerateAABB()
 	// On lock le buffer pour itérer sur toutes les positions et composer notre AABB
 	NzBufferMapper<NzVertexBuffer> mapper(m_vertexBuffer, nzBufferAccess_ReadOnly);
 
+	m_aabb.MakeZero();
+
 	NzMeshVertex* vertex = reinterpret_cast<NzMeshVertex*>(mapper.GetPointer());
 	unsigned int vertexCount = m_vertexBuffer->GetVertexCount();
 	for (unsigned int i = 0; i < vertexCount; ++i)
@@ -99,6 +101,11 @@ const NzVertexBuffer* NzStaticMesh::GetVertexBuffer() const
 	return m_vertexBuffer;
 }
 
+unsigned int NzStaticMesh::GetVertexCount() const
+{
+	return m_vertexBuffer->GetVertexCount();
+}
+
 bool NzStaticMesh::IsAnimated() const
 {
 	return false;