**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
+** 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
/* === M E T H O D S ======================================================= */
-ValueNode_Reciprocal::ValueNode_Reciprocal(const ValueBase::Type &x):
- LinkableValueNode(x)
+ValueNode_Reciprocal::ValueNode_Reciprocal(const ValueBase &x):
+ LinkableValueNode(x.get_type())
{
-}
+ Real value(x.get(Real()));
+ Real infinity(999999.0);
+ Real epsilon(0.000001);
-ValueNode_Reciprocal::ValueNode_Reciprocal(const ValueNode::Handle &x):
- LinkableValueNode(x->get_type())
-{
- set_link("link", x);
- set_link("epsilon", ValueNode_Const::create(Real(0.000001)));
- set_link("infinite", ValueNode_Const::create(Real(999999.0)));
+ if (value == 0)
+ value = infinity;
+ else
+ value = 1.0/value;
+
+ set_link("link", ValueNode_Const::create(Real(value)));
+ set_link("epsilon", ValueNode_Const::create(Real(epsilon)));
+ set_link("infinite", ValueNode_Const::create(Real(infinity)));
}
ValueNode_Reciprocal*
ValueNode_Reciprocal::create(const ValueBase &x)
{
- return new ValueNode_Reciprocal(ValueNode_Const::create(x));
+ return new ValueNode_Reciprocal(x);
}
LinkableValueNode*
}
bool
-ValueNode_Reciprocal::set_link_vfunc(int i,ValueNode::Handle x)
+ValueNode_Reciprocal::set_link_vfunc(int i,ValueNode::Handle value)
{
assert(i>=0 && i<link_count());
switch(i)
{
- case 0: link_ = x; break;
- case 1: epsilon_ = x; break;
- case 2: infinite_ = x; break;
- default: return false;
+ case 0: CHECK_TYPE_AND_SET_VALUE(link_, ValueBase::TYPE_REAL);
+ case 1: CHECK_TYPE_AND_SET_VALUE(epsilon_, ValueBase::TYPE_REAL);
+ case 2: CHECK_TYPE_AND_SET_VALUE(infinite_, ValueBase::TYPE_REAL);
}
-
- signal_child_changed()(i);
- signal_value_changed()();
- return true;
+ return false;
}
ValueNode::LooseHandle
ValueBase
ValueNode_Reciprocal::operator()(Time t)const
{
+ if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+ printf("%s:%d operator()\n", __FILE__, __LINE__);
+
Real link = (*link_) (t).get(Real());
Real epsilon = (*epsilon_) (t).get(Real());
Real infinite = (*infinite_)(t).get(Real());