X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Fvaluenode_step.cpp;fp=synfig-core%2Fsrc%2Fsynfig%2Fvaluenode_step.cpp;h=98d9d80deec778d305be542fc9bc1577b7ce38e1;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/synfig/valuenode_step.cpp b/synfig-core/src/synfig/valuenode_step.cpp
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+++ b/synfig-core/src/synfig/valuenode_step.cpp
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+/* === S Y N F I G ========================================================= */
+/*!	\file valuenode_step.cpp
+**	\brief Implementation of the "Step" valuenode conversion.
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 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_step.h"
+#include "valuenode_const.h"
+#include "general.h"
+#include "color.h"
+#include <ETL/misc>
+
+#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_Step::ValueNode_Step(const ValueBase &value):
+	LinkableValueNode(value.get_type())
+{
+	set_link("duration",     ValueNode_Const::create(Time(1)));
+	set_link("start_time",   ValueNode_Const::create(Time(0)));
+	set_link("intersection", ValueNode_Const::create(Real(0.5)));
+
+	switch(get_type())
+	{
+	case ValueBase::TYPE_ANGLE:
+		set_link("link",ValueNode_Const::create(value.get(Angle())));
+		break;
+	case ValueBase::TYPE_COLOR:
+		set_link("link",ValueNode_Const::create(value.get(Color())));
+		break;
+	case ValueBase::TYPE_INTEGER:
+		set_link("link",ValueNode_Const::create(value.get(int())));
+		break;
+	case ValueBase::TYPE_REAL:
+		set_link("link",ValueNode_Const::create(value.get(Real())));
+		break;
+	case ValueBase::TYPE_TIME:
+		set_link("link",ValueNode_Const::create(value.get(Time())));
+		break;
+	case ValueBase::TYPE_VECTOR:
+		set_link("link",ValueNode_Const::create(value.get(Vector())));
+		break;
+	default:
+		throw Exception::BadType(ValueBase::type_local_name(get_type()));
+	}
+
+	DCAST_HACK_ENABLE();
+}
+
+LinkableValueNode*
+ValueNode_Step::create_new()const
+{
+	return new ValueNode_Step(get_type());
+}
+
+ValueNode_Step*
+ValueNode_Step::create(const ValueBase &x)
+{
+	return new ValueNode_Step(x);
+}
+
+ValueNode_Step::~ValueNode_Step()
+{
+	unlink_all();
+}
+
+ValueBase
+ValueNode_Step::operator()(Time t)const
+{
+	if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+		printf("%s:%d operator()\n", __FILE__, __LINE__);
+
+	Time duration    ((*duration_    )(t).get(Time()));
+	Time start_time  ((*start_time_  )(t).get(Time()));
+	Real intersection((*intersection_)(t).get(Real()));
+
+	t = (floor((t - start_time) / duration) + intersection) * duration + start_time;
+
+	switch(get_type())
+	{
+	case ValueBase::TYPE_ANGLE:   return (*link_)(t).get( Angle());
+	case ValueBase::TYPE_COLOR:   return (*link_)(t).get( Color());
+	case ValueBase::TYPE_INTEGER: return (*link_)(t).get(   int());
+	case ValueBase::TYPE_REAL:    return (*link_)(t).get(  Real());
+	case ValueBase::TYPE_TIME:    return (*link_)(t).get(  Time());
+	case ValueBase::TYPE_VECTOR:  return (*link_)(t).get(Vector());
+	default:
+		assert(0);
+		return ValueBase();
+	}
+}
+
+
+String
+ValueNode_Step::get_name()const
+{
+	return "step";
+}
+
+String
+ValueNode_Step::get_local_name()const
+{
+	return _("Step");
+}
+
+bool
+ValueNode_Step::check_type(ValueBase::Type type)
+{
+	return
+		type==ValueBase::TYPE_ANGLE		||
+		type==ValueBase::TYPE_COLOR		||
+		type==ValueBase::TYPE_INTEGER	||
+		type==ValueBase::TYPE_REAL		||
+		type==ValueBase::TYPE_TIME		||
+		type==ValueBase::TYPE_VECTOR	;
+}
+
+bool
+ValueNode_Step::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(duration_,     ValueBase::TYPE_TIME);
+	case 2: CHECK_TYPE_AND_SET_VALUE(start_time_,   ValueBase::TYPE_TIME);
+	case 3: CHECK_TYPE_AND_SET_VALUE(intersection_, ValueBase::TYPE_REAL);
+	}
+	return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_Step::get_link_vfunc(int i)const
+{
+	assert(i>=0 && i<link_count());
+
+	switch(i)
+	{
+	case 0: return link_;
+	case 1: return duration_;
+	case 2: return start_time_;
+	case 3: return intersection_;
+	default:
+		return 0;
+	}
+}
+
+int
+ValueNode_Step::link_count()const
+{
+	return 4;
+}
+
+String
+ValueNode_Step::link_name(int i)const
+{
+	assert(i>=0 && i<link_count());
+
+	switch(i)
+	{
+	case 0: return "link";
+	case 1: return "duration";
+	case 2: return "start_time";
+	case 3: return "intersection";
+	default:
+		return String();
+	}
+}
+
+String
+ValueNode_Step::link_local_name(int i)const
+{
+	assert(i>=0 && i<link_count());
+
+	switch(i)
+	{
+	case 0: return _("Link");
+	case 1: return _("Duration");
+	case 2: return _("Start Time");
+	case 3: return _("Intersection");
+	default:
+		return String();
+	}
+}
+
+int
+ValueNode_Step::get_link_index_from_name(const String &name)const
+{
+	if(name=="link")         return 0;
+	if(name=="duration")     return 1;
+	if(name=="start_time")   return 2;
+	if(name=="intersection") return 3;
+
+	throw Exception::BadLinkName(name);
+}