X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Fsrc%2Fgtkmm%2Fduckmatic.cpp;h=786aa11373832672f4b872441d5f8d5572ca3bc7;hb=a0c4c834ff9eac521ea6e6efce297d4ece195bc2;hp=c1813e730d617cb661b1b0d30b23ff588ae2c1c1;hpb=1b0547169603e911e37bf1f3d56ceb023b87cc91;p=synfig.git

diff --git a/synfig-studio/src/gtkmm/duckmatic.cpp b/synfig-studio/src/gtkmm/duckmatic.cpp
index c1813e7..786aa11 100644
--- a/synfig-studio/src/gtkmm/duckmatic.cpp
+++ b/synfig-studio/src/gtkmm/duckmatic.cpp
@@ -447,6 +447,75 @@ Duckmatic::start_duck_drag(const synfig::Vector& offset)
 	drag_offset_=find_duck(offset)->get_trans_point();
 }
 
+void
+Duckmatic::update_ducks()
+{
+	Time time(get_time());
+	DuckList duck_list(get_duck_list());
+	const DuckList selected_ducks(get_selected_ducks());
+	DuckList::const_iterator iter;
+	for (iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter)
+	{
+		etl::handle<Duck> duck(*iter);
+		if (duck->get_type() == Duck::TYPE_VERTEX || duck->get_type() == Duck::TYPE_POSITION)
+		{
+			ValueNode_BLineCalcVertex::Handle bline_vertex;
+			ValueNode_Composite::Handle composite;
+
+			if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) ||
+				((composite = ValueNode_Composite::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) &&
+				 composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
+				 (bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
+			{
+				DuckList::iterator iter;
+				for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
+					if ( (*iter)->get_origin_duck()==duck  /*&& !duck_is_selected(*iter)*/ )
+					{
+						synfig::Real radius = 0.0;
+						ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link(bline_vertex->get_link_index_from_name("bline"))));
+						Real amount = synfig::find_closest_point((*bline)(time), duck->get_point(), radius, bline->get_loop());
+
+						int vertex_amount_index(bline_vertex->get_link_index_from_name("amount"));
+						ValueNode::Handle vertex_amount_value_node(bline_vertex->get_link(vertex_amount_index));
+
+
+						ValueNode::Handle duck_value_node((*iter)->get_value_desc().get_value_node());
+						if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(duck_value_node))
+						{
+							if (bline_tangent->get_link(bline_tangent->get_link_index_from_name("amount")) == vertex_amount_value_node)
+							{
+								switch (bline_tangent->get_type())
+								{
+								case ValueBase::TYPE_ANGLE:
+								{
+									Angle angle((*bline_tangent)(time, amount).get(Angle()));
+									(*iter)->set_point(Point(Angle::cos(angle).get(), Angle::sin(angle).get()));
+									(*iter)->set_rotations(Angle::deg(0)); //hack: rotations are a relative value
+									break;
+								}
+								case ValueBase::TYPE_REAL:
+									(*iter)->set_point(Point((*bline_tangent)(time, amount).get(Real()), 0));
+									break;
+								case ValueBase::TYPE_VECTOR:
+									(*iter)->set_point((*bline_tangent)(time, amount).get(Vector()));
+									break;
+								default:
+									break;
+								}
+							}
+						}
+						else if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(duck_value_node))
+						{
+							if (bline_width->get_link(bline_width->get_link_index_from_name("amount")) == vertex_amount_value_node)
+								(*iter)->set_point(Point((*bline_width)(time, amount).get(Real()), 0));
+						}
+					}
+			}
+		}
+	}
+}
+
+
 bool
 Duckmatic::end_duck_drag()
 {
@@ -561,29 +630,7 @@ DuckDrag_Translate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector
 			(*iter)->set_trans_point(positions[i]+vect, time);
 
 	// then patch up the tangents for the vertices we've moved
-	DuckList duck_list(duckmatic->get_duck_list());
-	for (iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter)
-	{
-		etl::handle<Duck> duck(*iter);
-		if (duck->get_type() == Duck::TYPE_VERTEX || duck->get_type() == Duck::TYPE_POSITION)
-		{
-			ValueNode_Composite::Handle composite;
-
-			if ((ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) ||
-				((composite = ValueNode_Composite::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) &&
-				 composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
-				 (ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
-			{
-				//! \todo update() will call dynamic cast again, see if we can avoid that
-				DuckList::iterator iter;
-				for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
-					if ((*iter)->get_origin_duck()==duck 
-						&& std::find(selected_ducks.begin(), 
-									 selected_ducks.end(), *iter) == selected_ducks.end() )
-						(*iter)->update(time);
-			}
-		}
-	}
+	duckmatic->update_ducks();
 
 	last_translate_=vect;
 }