** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007, 2008 Chris Moore
+** Copyright (c) 2009 Nikita Kitaev
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
#include "duck.h"
#include <ETL/misc>
-#include "general.h"
+#include <synfig/valuenode_bline.h>
+#include <synfig/valuenode_blinecalctangent.h>
+#include <synfig/valuenode_blinecalcvertex.h>
+#include <synfig/valuenode_blinecalcwidth.h>
+#include <synfig/valuenode_composite.h>
+#include "general.h"
#endif
/* === U S I N G =========================================================== */
set_sub_trans_point(transform_stack_.unperform(x));
}
+void
+Duck::set_trans_point(const synfig::Point &x, const synfig::Time &time)
+{
+ set_sub_trans_point(transform_stack_.unperform(x), time);
+}
+
//! Sets the origin point.
void
Duck::set_origin(const synfig::Point &x)
}
void
-Duck::set_sub_trans_point(const synfig::Point &x)
+Duck::set_sub_trans_point(const synfig::Point &x, const synfig::Time &time)
{
if (get_type() == Duck::TYPE_TANGENT ||
get_type() == Duck::TYPE_ANGLE)
(new_halves > 1 || new_halves < -1 ||
old_halves > 1 || old_halves < -1))
synfig::info("rotation: %.2f turns", new_halves/2.0);
+ } else if(get_type() == Duck::TYPE_VERTEX || get_type() == Duck::TYPE_POSITION)
+ {
+ set_point((x-get_sub_trans_origin())/get_scalar());
+
+ ValueNode_BLineCalcVertex::Handle bline_vertex;
+ ValueNode_Composite::Handle composite;
+
+ if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(get_value_desc().get_value_node())) ||
+ ((composite = ValueNode_Composite::Handle::cast_dynamic(get_value_desc().get_value_node())) &&
+ composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
+ (bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
+ {
+ synfig::Point closest_point = get_point();
+ 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")));
+ synfig::find_closest_point(
+ (*bline)(time),
+ get_point(),
+ radius,
+ bline->get_loop(),
+ &closest_point);
+ set_point(closest_point);
+ }
}
- else
+ else set_point((x-get_sub_trans_origin())/get_scalar());
+}
+
+//! Updates width and tangent ducks that change when the origin moves
+void
+Duck::update(const synfig::Time &time)
+{
+ if((get_type() == Duck::TYPE_TANGENT || get_type() == Duck::TYPE_WIDTH || get_type() == Duck::TYPE_ANGLE) && origin_duck)
+ {
+ ValueNode_BLineCalcVertex::Handle bline_vertex;
+ ValueNode_Composite::Handle composite;
+ if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(origin_duck->get_value_desc().get_value_node())) ||
+ ((composite = ValueNode_Composite::Handle::cast_dynamic(origin_duck->get_value_desc().get_value_node())) &&
+ composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
+ (bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
+ {
+ 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), origin_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));
+
+
+ if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(get_value_desc().get_value_node()))
+ {
+ switch (bline_tangent->get_type())
+ {
+ case ValueBase::TYPE_ANGLE:
+ {
+ Angle angle((*bline_tangent)(time, amount).get(Angle()));
+ set_point(Point(Angle::cos(angle).get(), Angle::sin(angle).get()));
+ rotations=synfig::Angle::deg(0); //hack: rotations are a relative value
+ break;
+ }
+ case ValueBase::TYPE_REAL:
+ set_point(Point((*bline_tangent)(time, amount).get(Real()), 0));
+ break;
+ case ValueBase::TYPE_VECTOR:
+ set_point((*bline_tangent)(time, amount).get(Vector()));
+ break;
+ default:
+ break;
+ }
+ }
+ else if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(get_value_desc().get_value_node()))
+ set_point(Point((*bline_width)(time, amount).get(Real()), 0));
+ }
+
+ }
+}
+
+
+void
+Duck::set_sub_trans_point(const synfig::Point &x)
+{
+ if (get_type() == Duck::TYPE_TANGENT ||
+ get_type() == Duck::TYPE_ANGLE)
+ {
+ Angle old_angle = get_point().angle();
set_point((x-get_sub_trans_origin())/get_scalar());
+ Angle change = get_point().angle() - old_angle;
+ while (change < Angle::deg(-180)) change += Angle::deg(360);
+ while (change > Angle::deg(180)) change -= Angle::deg(360);
+ int old_halves = round_to_int(Angle::deg(rotations).get()/180);
+ rotations += change;
+ int new_halves = round_to_int(Angle::deg(rotations).get()/180);
+ if (old_halves != new_halves &&
+ (new_halves > 1 || new_halves < -1 ||
+ old_halves > 1 || old_halves < -1))
+ synfig::info("rotation: %.2f turns", new_halves/2.0);
+ }
+ else set_point((x-get_sub_trans_origin())/get_scalar());
}
synfig::Point