Rewrite of z-order code for 3D boxes, first stage (hopefully this is finally the right approach)

(bzr r3586)

1 files changed, 4 insertions, 3 deletions

diff --git a/src/box3d.h b/src/box3d.h
index e1b90c3f9..57c4f0e9b 100644
--- a/src/box3d.h
+++ b/src/box3d.h
@@ -38,6 +38,8 @@ struct SP3DBox : public SPGroup {
     Box3DFace *faces[6];
     guint z_orders[6]; // z_orders[i] holds the ID of the face at position #i in the group (from top to bottom)
 
+    std::vector<gint> currently_visible_faces;
+
     // TODO: Keeping/updating the ratios works reasonably well but is still an ad hoc implementation.
     //       Use a mathematically correct model to update the boxes.
     double ratio_x;
@@ -68,9 +70,8 @@ GType sp_3dbox_get_type (void);
 void sp_3dbox_position_set (SP3DBoxContext &bc);
 void sp_3dbox_set_shape(SP3DBox *box3d, bool use_previous_corners = false);
 void sp_3dbox_recompute_corners (SP3DBox *box, NR::Point const pt1, NR::Point const pt2, NR::Point const pt3);
-bool sp_3dbox_recompute_z_orders (SP3DBox *box); /* returns true if there was a change in the z-orders
-						    (which triggers an update of the repr) */
-void sp_3dbox_set_z_orders (SP3DBox *box);
+void sp_3dbox_set_z_orders_in_the_first_place (SP3DBox *box);
+void sp_3dbox_set_z_orders_later_on (SP3DBox *box);
 void sp_3dbox_update_curves (SP3DBox *box);
 void sp_3dbox_link_to_existing_paths (SP3DBox *box, Inkscape::XML::Node *repr);
 void sp_3dbox_set_ratios (SP3DBox *box, Box3D::Axis axes = Box3D::XYZ);