1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_timeloop.cpp
3 ** \brief Implementation of the "Time Loop" valuenode conversion.
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include "valuenode_timeloop.h"
34 #include "valuenode_const.h"
39 /* === U S I N G =========================================================== */
43 using namespace synfig;
45 /* === M A C R O S ========================================================= */
47 /* === G L O B A L S ======================================================= */
49 /* === P R O C E D U R E S ================================================= */
51 /* === M E T H O D S ======================================================= */
53 ValueNode_TimeLoop::ValueNode_TimeLoop(const ValueBase::Type &x):
58 ValueNode_TimeLoop::ValueNode_TimeLoop(const ValueNode::Handle &x):
59 LinkableValueNode(x->get_type())
62 set_link("link_time", ValueNode_Const::create(Time(0)));
63 set_link("local_time", ValueNode_Const::create(Time(0)));
64 set_link("duration", ValueNode_Const::create(Time(1)));
68 ValueNode_TimeLoop::create(const ValueBase &x)
70 return new ValueNode_TimeLoop(ValueNode_Const::create(x));
74 ValueNode_TimeLoop::create_new()const
76 return new ValueNode_TimeLoop(get_type());
79 ValueNode_TimeLoop::~ValueNode_TimeLoop()
85 ValueNode_TimeLoop::set_link_vfunc(int i,ValueNode::Handle x)
87 assert(i >= 0 && i < link_count());
90 case 0: link_ = x; break;
91 case 1: link_time_ = x; break;
92 case 2: local_time_ = x; break;
93 case 3: duration_ = x; break;
94 default: return false;
97 signal_child_changed()(i);
98 signal_value_changed()();
102 ValueNode::LooseHandle
103 ValueNode_TimeLoop::get_link_vfunc(int i)const
105 assert(i >= 0 && i < link_count());
106 if(i==0) return link_;
107 if(i==1) return link_time_;
108 if(i==2) return local_time_;
109 if(i==3) return duration_;
115 ValueNode_TimeLoop::link_count()const
121 ValueNode_TimeLoop::link_local_name(int i)const
123 assert(i >= 0 && i < link_count());
124 if(i==0) return _("Link");
125 if(i==1) return _("Link Time");
126 if(i==2) return _("Local Time");
127 if(i==3) return _("Duration");
132 ValueNode_TimeLoop::link_name(int i)const
134 assert(i >= 0 && i < link_count());
135 if(i==0) return "link";
136 if(i==1) return "link_time";
137 if(i==2) return "local_time";
138 if(i==3) return "duration";
143 ValueNode_TimeLoop::get_link_index_from_name(const String &name)const
145 if(name=="link") return 0;
146 if(name=="link_time") return 1;
147 if(name=="local_time") return 2;
148 if(name=="duration") return 3;
150 throw Exception::BadLinkName(name);
154 ValueNode_TimeLoop::operator()(Time t)const
156 Time link_time = (*link_time_) (t).get(Time());
157 Time local_time = (*local_time_)(t).get(Time());
158 Time duration = (*duration_) (t).get(Time());
162 else if (duration > 0)
165 t -= floor(t / duration) * duration;
170 duration = -duration;
172 t -= floor(t / duration) * duration;
180 ValueNode_TimeLoop::get_name()const
186 ValueNode_TimeLoop::get_local_name()const
188 return _("Time Loop");
192 ValueNode_TimeLoop::check_type(ValueBase::Type type)