Fixed some instance of simplify_polygons() invocation.

Geometry::deg2rad() made a template.
Some methods of Layer made inline.
Added a helper template remove_nulls().

1 files changed, 8 insertions, 0 deletions

diff --git a/xs/src/libslic3r/libslic3r.h b/xs/src/libslic3r/libslic3r.h
index e2c99b00f..4699cc9dc 100644
--- a/xs/src/libslic3r/libslic3r.h
+++ b/xs/src/libslic3r/libslic3r.h
@@ -119,6 +119,14 @@ void append(std::vector<T>& dest, std::vector<T>&& src)
     src.shrink_to_fit();
 }
 
+template <typename T>
+void remove_nulls(std::vector<T*> &vec)
+{
+	vec.erase(
+    	std::remove_if(vec.begin(), vec.end(), [](const T *ptr) { return ptr == nullptr; }),
+    	vec.end());
+}
+
 } // namespace Slic3r
 
 #endif