+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_random.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \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_random.h"
-#include "synfig/valuenode_const.h"
-#include "synfig/general.h"
-#include "synfig/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_Random::ValueNode_Random(const ValueBase &value):
- LinkableValueNode(value.get_type())
-{
- random.set_seed(time(NULL));
-
- set_link("radius",ValueNode_Const::create(Real(1)));
- set_link("seed",ValueNode_Const::create(random.get_seed()));
- set_link("speed",ValueNode_Const::create(Real(1)));
- set_link("smooth",ValueNode_Const::create(int(RandomNoise::SMOOTH_CUBIC)));
- set_link("loop",ValueNode_Const::create(Real(0)));
-
- switch(get_type())
- {
- case ValueBase::TYPE_ANGLE:
- set_link("link",ValueNode_Const::create(value.get(Angle())));
- break;
- case ValueBase::TYPE_BOOL:
- set_link("link",ValueNode_Const::create(value.get(bool())));
- 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_Random::create_new()const
-{
- return new ValueNode_Random(get_type());
-}
-
-ValueNode_Random*
-ValueNode_Random::create(const ValueBase &x)
-{
- return new ValueNode_Random(x);
-}
-
-ValueNode_Random::~ValueNode_Random()
-{
- unlink_all();
-}
-
-ValueBase
-ValueNode_Random::operator()(Time t)const
-{
- typedef const RandomNoise::SmoothType Smooth;
-
- Real radius = (*radius_)(t).get(Real());
- int seed = (*seed_)(t).get(int());
- int smooth = (*smooth_)(t).get(int());
- float speed = (*speed_ )(t).get(Real());
- int loop = int((((*loop_ )(t).get(Real())) * speed) + 0.5);
- speed *= t;
-
- random.set_seed(seed);
-
- switch(get_type())
- {
- case ValueBase::TYPE_ANGLE:
- return ((*link_)(t).get( Angle()) +
- Angle::deg(random(Smooth(smooth), 0, 0, 0, speed, loop) * radius));
-
- case ValueBase::TYPE_BOOL:
- return round_to_int((*link_)(t).get( bool()) +
- random(Smooth(smooth), 0, 0, 0, speed, loop) * radius) > 0;
-
- case ValueBase::TYPE_COLOR:
- return (((*link_)(t).get( Color()) +
- Color(random(Smooth(smooth), 0, 0, 0, speed, loop),
- random(Smooth(smooth), 1, 0, 0, speed, loop),
- random(Smooth(smooth), 2, 0, 0, speed, loop), 0) * radius).clamped());
-
- case ValueBase::TYPE_INTEGER:
- return round_to_int((*link_)(t).get( int()) +
- random(Smooth(smooth), 0, 0, 0, speed, loop) * radius);
-
- case ValueBase::TYPE_REAL:
- return ((*link_)(t).get( Real()) +
- random(Smooth(smooth), 0, 0, 0, speed, loop) * radius);
-
- case ValueBase::TYPE_TIME:
- return ((*link_)(t).get( Time()) +
- random(Smooth(smooth), 0, 0, 0, speed, loop) * radius);
-
- case ValueBase::TYPE_VECTOR:
- {
- float length(random(Smooth(smooth), 0, 0, 0, speed, loop) * radius);
- Angle::rad angle(random(Smooth(smooth), 1, 0, 0, speed, loop) * PI);
-
- return ((*link_)(t).get(Vector()) +
- Vector(Angle::cos(angle).get(), Angle::sin(angle).get()) * length);
- }
-
- default:
- assert(0);
- break;
- }
-
- return ValueBase();
-}
-
-
-String
-ValueNode_Random::get_name()const
-{
- return "random";
-}
-
-String
-ValueNode_Random::get_local_name()const
-{
- return _("Random");
-}
-
-bool
-ValueNode_Random::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(radius_, ValueBase::TYPE_REAL);
- case 2: CHECK_TYPE_AND_SET_VALUE(seed_, ValueBase::TYPE_INTEGER);
- case 3: CHECK_TYPE_AND_SET_VALUE(speed_, ValueBase::TYPE_REAL);
- case 4: CHECK_TYPE_AND_SET_VALUE(smooth_, ValueBase::TYPE_INTEGER);
- case 5: CHECK_TYPE_AND_SET_VALUE(loop_, ValueBase::TYPE_REAL);
- }
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_Random::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return link_;
- case 1: return radius_;
- case 2: return seed_;
- case 3: return speed_;
- case 4: return smooth_;
- case 5: return loop_;
- }
- return 0;
-}
-
-int
-ValueNode_Random::link_count()const
-{
- return 6;
-}
-
-String
-ValueNode_Random::link_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return "link";
- case 1: return "radius";
- case 2: return "seed";
- case 3: return "speed";
- case 4: return "smooth";
- case 5: return "loop";
- }
- return String();
-}
-
-String
-ValueNode_Random::link_local_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return _("Link");
- case 1: return _("Radius");
- case 2: return _("Seed");
- case 3: return _("Animation Speed");
- case 4: return _("Interpolation");
- case 5: return _("Loop Time");
- }
- return String();
-}
-
-int
-ValueNode_Random::get_link_index_from_name(const String &name)const
-{
- if(name=="link" ) return 0;
- if(name=="radius") return 1;
- if(name=="seed" ) return 2;
- if(name=="speed" ) return 3;
- if(name=="smooth") return 4;
- if(name=="loop" ) return 5;
- throw Exception::BadLinkName(name);
-}
-
-bool
-ValueNode_Random::check_type(ValueBase::Type type)
-{
- return
- type==ValueBase::TYPE_ANGLE ||
- type==ValueBase::TYPE_BOOL ||
- type==ValueBase::TYPE_COLOR ||
- type==ValueBase::TYPE_INTEGER ||
- type==ValueBase::TYPE_REAL ||
- type==ValueBase::TYPE_TIME ||
- type==ValueBase::TYPE_VECTOR ;
-}
-
-ValueNode*
-ValueNode_Random::clone(const GUID& deriv_guid)const
-{
- ValueNode_Random* ret = (ValueNode_Random*)LinkableValueNode::clone(deriv_guid);
- ret->randomize_seed();
- return ret;
-}
-
-void
-ValueNode_Random::randomize_seed()
-{
- int i = get_link_index_from_name("seed");
- ValueNode::Handle link = get_link_vfunc(i);
- if(!link->is_exported() && link->get_name() == "constant")
- {
- int seed = time(NULL) + rand();
- if (seed < 0) seed = -seed;
- random.set_seed(seed);
- set_link(i, ValueNode_Const::create(seed));
- }
-}
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