Remove ancient trunk folder from svn repository

[synfig.git] / synfig-core / src / synfig / valuenode_timeloop.cpp

diff --git a/synfig-core/src/synfig/valuenode_timeloop.cpp b/synfig-core/src/synfig/valuenode_timeloop.cpp
new file mode 100644 (file)
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+/* === S Y N F I G ========================================================= */
+/*!    \file valuenode_timeloop.cpp
+**     \brief Implementation of the "Time Loop" valuenode conversion.
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2007, 2008 Chris Moore
+**
+**     This package is free software; you can redistribute it and/or
+**     modify it under the terms of the GNU General Public License as
+**     published by the Free Software Foundation; either version 2 of
+**     the License, or (at your option) any later version.
+**
+**     This package is distributed in the hope that it will be useful,
+**     but WITHOUT ANY WARRANTY; without even the implied warranty of
+**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+**     General Public License for more details.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "valuenode_timeloop.h"
+#include "valuenode_const.h"
+#include "general.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+ValueNode_TimeLoop::ValueNode_TimeLoop(const ValueBase::Type &x):
+       LinkableValueNode(x)
+{
+}
+
+ValueNode_TimeLoop::ValueNode_TimeLoop(const ValueNode::Handle &x):
+       LinkableValueNode(x->get_type())
+{
+       set_link("link", x);
+       set_link("link_time",  ValueNode_Const::create(Time(0)));
+       set_link("local_time", ValueNode_Const::create(Time(0)));
+       set_link("duration",   ValueNode_Const::create(Time(1)));
+}
+
+ValueNode_TimeLoop*
+ValueNode_TimeLoop::create(const ValueBase &x)
+{
+       return new ValueNode_TimeLoop(ValueNode_Const::create(x));
+}
+
+LinkableValueNode*
+ValueNode_TimeLoop::create_new()const
+{
+       return new ValueNode_TimeLoop(get_type());
+}
+
+ValueNode_TimeLoop::~ValueNode_TimeLoop()
+{
+       unlink_all();
+}
+
+bool
+ValueNode_TimeLoop::set_link_vfunc(int i,ValueNode::Handle value)
+{
+       assert(i>=0 && i<link_count());
+
+       switch(i)
+       {
+       case 0: CHECK_TYPE_AND_SET_VALUE(link_,       get_type());
+       case 1: CHECK_TYPE_AND_SET_VALUE(link_time_,  ValueBase::TYPE_TIME);
+       case 2: CHECK_TYPE_AND_SET_VALUE(local_time_, ValueBase::TYPE_TIME);
+       case 3: CHECK_TYPE_AND_SET_VALUE(duration_,   ValueBase::TYPE_TIME);
+       }
+       return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_TimeLoop::get_link_vfunc(int i)const
+{
+       assert(i>=0 && i<link_count());
+
+       if(i==0) return link_;
+       if(i==1) return link_time_;
+       if(i==2) return local_time_;
+       if(i==3) return duration_;
+
+       return 0;
+}
+
+int
+ValueNode_TimeLoop::link_count()const
+{
+       return 4;
+}
+
+String
+ValueNode_TimeLoop::link_local_name(int i)const
+{
+       assert(i>=0 && i<link_count());
+
+       if(i==0) return _("Link");
+       if(i==1) return _("Link Time");
+       if(i==2) return _("Local Time");
+       if(i==3) return _("Duration");
+       return String();
+}
+
+String
+ValueNode_TimeLoop::link_name(int i)const
+{
+       assert(i>=0 && i<link_count());
+
+       if(i==0) return "link";
+       if(i==1) return "link_time";
+       if(i==2) return "local_time";
+       if(i==3) return "duration";
+       return String();
+}
+
+int
+ValueNode_TimeLoop::get_link_index_from_name(const String &name)const
+{
+       if(name=="link")       return 0;
+       if(name=="link_time")  return 1;
+       if(name=="local_time") return 2;
+       if(name=="duration")   return 3;
+
+       throw Exception::BadLinkName(name);
+}
+
+ValueBase
+ValueNode_TimeLoop::operator()(Time t)const
+{
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
+       Time link_time  = (*link_time_) (t).get(Time());
+       Time local_time = (*local_time_)(t).get(Time());
+       Time duration   = (*duration_)  (t).get(Time());
+
+       if (duration == 0)
+               t = link_time;
+       else if (duration > 0)
+       {
+               t -= local_time;
+               t -= floor(t / duration) * duration;
+               t  = link_time + t;
+       }
+       else
+       {
+               duration = -duration;
+               t -= local_time;
+               t -= floor(t / duration) * duration;
+               t  = link_time - t;
+       }
+
+       return (*link_)(t);
+}
+
+String
+ValueNode_TimeLoop::get_name()const
+{
+       return "timeloop";
+}
+
+String
+ValueNode_TimeLoop::get_local_name()const
+{
+       return _("Time Loop");
+}
+
+bool
+ValueNode_TimeLoop::check_type(ValueBase::Type type)
+{
+       if(type)
+               return true;
+       return false;
+}