New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape_frontend/drape_engine_params.hpp

@@ -0,0 +1,47 @@
+#pragma once
+
+#include "geometry/point3d.hpp"
+
+#include <string>
+
+namespace df
+{
+// Declaration for custom Arrow3D object.
+struct Arrow3dCustomDecl
+{
+  // Path to arrow mesh .OBJ file.
+  std::string m_arrowMeshPath;
+  // Path to arrow mesh texture .PNG file.
+  // If it's empty, default arrow color is used.
+  std::string m_arrowMeshTexturePath;
+  // Path to shadow mesh .OBJ file.
+  // If it's empty, no shadow or outline will be rendered.
+  std::string m_shadowMeshPath;
+
+  // Allows to load files from bundled resources.
+  // You must use string identifiers of resources instead of file names.
+  bool m_loadFromDefaultResourceFolder = false;
+
+  // Layout of axes (in the plane of map): x - right, y - up,
+  // -z - perpendicular to the map's plane directed towards the observer.
+
+  // Offset is in local (model's) coordinates.
+  m3::PointF m_offset = m3::PointF(0.0f, 0.0f, 0.0f);
+  // Rotation angles.
+  m3::PointF m_eulerAngles = m3::PointF(0.0f, 0.0f, 0.0f);
+  // Scale values.
+  m3::PointF m_scale = m3::PointF(1.0f, 1.0f, 1.0f);
+
+  // Flip U texture coordinate.
+  bool m_flipTexCoordU = false;
+  // Flip V texture coordinate (enabled in the Drape by default).
+  bool m_flipTexCoordV = true;
+
+  // Enable shadow rendering (only in perspective mode).
+  // Shadow mesh must exist, otherwise standard one will be used.
+  bool m_enableShadow = false;
+  // Enabled outline rendering (only in routing mode).
+  // Shadow mesh must exist, otherwise standard one will be used.
+  bool m_enableOutline = false;
+};
+}  // namespace df