X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fvaluenode_exp.cpp;h=05d4b6350629794973fda9f3d8de1a44f8602f1c;hb=9459638ad6797b8139f1e9f0715c96076dbf0890;hp=b553b1bca31ea037fe065aed4f35a47221d109ee;hpb=d8a0d032dc97e5c058ef37b79e245689b2ae7c10;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/valuenode_exp.cpp b/synfig-core/trunk/src/synfig/valuenode_exp.cpp
index b553b1b..05d4b63 100644
--- a/synfig-core/trunk/src/synfig/valuenode_exp.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_exp.cpp
@@ -1,11 +1,12 @@
 /* === S Y N F I G ========================================================= */
 /*!	\file valuenode_exp.cpp
-**	\brief Template File
+**	\brief Implementation of the "Exponential" valuenode conversion.
 **
 **	$Id$
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	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
@@ -55,11 +56,11 @@ ValueNode_Exp::ValueNode_Exp(const ValueBase &value):
 	switch(value.get_type())
 	{
 	case ValueBase::TYPE_REAL:
-		set_link("exp",ValueNode_Const::create(Real(1)));
+		set_link("exp",ValueNode_Const::create(Real(0)));
 		set_link("scale",ValueNode_Const::create(value.get(Real())));
 		break;
 	default:
-		throw Exception::BadType(ValueBase::type_name(value.get_type()));
+		throw Exception::BadType(ValueBase::type_local_name(value.get_type()));
 	}
 
 	DCAST_HACK_ENABLE();
@@ -85,6 +86,9 @@ ValueNode_Exp::~ValueNode_Exp()
 ValueBase
 ValueNode_Exp::operator()(Time t)const
 {
+	if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+		printf("%s:%d operator()\n", __FILE__, __LINE__);
+
 	return (exp((*exp_)(t).get(Real())) *
 			(*scale_)(t).get(Real()));
 }
@@ -102,20 +106,14 @@ ValueNode_Exp::get_local_name()const
 }
 
 bool
-ValueNode_Exp::set_link_vfunc(int i,ValueNode::Handle x)
+ValueNode_Exp::set_link_vfunc(int i,ValueNode::Handle value)
 {
-	assert(i==0 || i==1);
-	if(i==0)
-	{
-		exp_=x;
-		signal_child_changed()(i);signal_value_changed()();
-		return true;
-	}
-	if(i==1)
+	assert(i>=0 && i<link_count());
+
+	switch(i)
 	{
-		scale_=x;
-		signal_child_changed()(i);signal_value_changed()();
-		return true;
+	case 0: CHECK_TYPE_AND_SET_VALUE(exp_,   ValueBase::TYPE_REAL);
+	case 1: CHECK_TYPE_AND_SET_VALUE(scale_, ValueBase::TYPE_REAL);
 	}
 	return false;
 }
@@ -123,7 +121,8 @@ ValueNode_Exp::set_link_vfunc(int i,ValueNode::Handle x)
 ValueNode::LooseHandle
 ValueNode_Exp::get_link_vfunc(int i)const
 {
-	assert(i==0 || i==1);
+	assert(i>=0 && i<link_count());
+
 	if(i==0)
 		return exp_;
 	if(i==1)
@@ -141,7 +140,8 @@ ValueNode_Exp::link_count()const
 String
 ValueNode_Exp::link_name(int i)const
 {
-	assert(i==0 || i==1);
+	assert(i>=0 && i<link_count());
+
 	if(i==0)
 		return "exp";
 	if(i==1)
@@ -152,7 +152,8 @@ ValueNode_Exp::link_name(int i)const
 String
 ValueNode_Exp::link_local_name(int i)const
 {
-	assert(i==0 || i==1);
+	assert(i>=0 && i<link_count());
+
 	if(i==0)
 		return _("Exponent");
 	if(i==1)