Remove .gitignore do nothing is ignored.

[synfig.git] / synfig-core / trunk / src / synfig / valuenode_step.cpp

diff --git a/synfig-core/trunk/src/synfig/valuenode_step.cpp b/synfig-core/trunk/src/synfig/valuenode_step.cpp
index 9a163f8..98d9d80 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_step.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_step.cpp
@@ -54,34 +54,29 @@ using namespace synfig;
 ValueNode_Step::ValueNode_Step(const ValueBase &value):
        LinkableValueNode(value.get_type())
 {
-       set_link("width",ValueNode_Const::create(Time(1)));
-       set_link("time",ValueNode_Const::create(Time(0)));
+       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("height",ValueNode_Const::create(Angle::deg(0)));
-               set_link("value",ValueNode_Const::create(value.get(Angle())));
+               set_link("link",ValueNode_Const::create(value.get(Angle())));
                break;
        case ValueBase::TYPE_COLOR:
-               set_link("height",ValueNode_Const::create(Color(0,0,0,0)));
-               set_link("value",ValueNode_Const::create(value.get(Color())));
+               set_link("link",ValueNode_Const::create(value.get(Color())));
                break;
        case ValueBase::TYPE_INTEGER:
-               set_link("height",ValueNode_Const::create(int(0)));
-               set_link("value",ValueNode_Const::create(value.get(int())));
+               set_link("link",ValueNode_Const::create(value.get(int())));
                break;
        case ValueBase::TYPE_REAL:
-               set_link("height",ValueNode_Const::create(Real(0)));
-               set_link("value",ValueNode_Const::create(value.get(Real())));
+               set_link("link",ValueNode_Const::create(value.get(Real())));
                break;
        case ValueBase::TYPE_TIME:
-               set_link("height",ValueNode_Const::create(Time(0)));
-               set_link("value",ValueNode_Const::create(value.get(Time())));
+               set_link("link",ValueNode_Const::create(value.get(Time())));
                break;
        case ValueBase::TYPE_VECTOR:
-               set_link("height",ValueNode_Const::create(Vector(0,0)));
-               set_link("value",ValueNode_Const::create(value.get(Vector())));
+               set_link("link",ValueNode_Const::create(value.get(Vector())));
                break;
        default:
                throw Exception::BadType(ValueBase::type_local_name(get_type()));
@@ -110,17 +105,23 @@ ValueNode_Step::~ValueNode_Step()
 ValueBase
 ValueNode_Step::operator()(Time t)const
 {
-       int step = floor((t - ((*time_)(t).get(Time()))) /
-                                        ((*width_)(t).get(Time())));
+       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 (*value_)(t).get( Angle()) + (*height_)(t).get( Angle())*step;
-       case ValueBase::TYPE_COLOR:   return (*value_)(t).get( Color()) + (*height_)(t).get( Color())*step;
-       case ValueBase::TYPE_INTEGER: return (*value_)(t).get(   int()) + (*height_)(t).get(   int())*step;
-       case ValueBase::TYPE_REAL:    return (*value_)(t).get(  Real()) + (*height_)(t).get(  Real())*step;
-       case ValueBase::TYPE_TIME:    return (*value_)(t).get(  Time()) + (*height_)(t).get(  Time())*step;
-       case ValueBase::TYPE_VECTOR:  return (*value_)(t).get(Vector()) + (*height_)(t).get(Vector())*step;
+       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();
@@ -159,10 +160,10 @@ ValueNode_Step::set_link_vfunc(int i,ValueNode::Handle value)
 
        switch(i)
        {
-       case 0: CHECK_TYPE_AND_SET_VALUE(width_,  ValueBase::TYPE_TIME);
-       case 1: CHECK_TYPE_AND_SET_VALUE(height_, get_type());
-       case 2: CHECK_TYPE_AND_SET_VALUE(time_,   ValueBase::TYPE_TIME);
-       case 3: CHECK_TYPE_AND_SET_VALUE(value_,  get_type());
+       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;
 }
@@ -174,10 +175,10 @@ ValueNode_Step::get_link_vfunc(int i)const
 
        switch(i)
        {
-       case 0: return width_;
-       case 1: return height_;
-       case 2: return time_;
-       case 3: return value_;
+       case 0: return link_;
+       case 1: return duration_;
+       case 2: return start_time_;
+       case 3: return intersection_;
        default:
                return 0;
        }
@@ -196,10 +197,10 @@ ValueNode_Step::link_name(int i)const
 
        switch(i)
        {
-       case 0: return "width";
-       case 1: return "height";
-       case 2: return "time";
-       case 3: return "value";
+       case 0: return "link";
+       case 1: return "duration";
+       case 2: return "start_time";
+       case 3: return "intersection";
        default:
                return String();
        }
@@ -212,10 +213,10 @@ ValueNode_Step::link_local_name(int i)const
 
        switch(i)
        {
-       case 0: return _("Width");
-       case 1: return _("Height");
-       case 2: return _("Time");
-       case 3: return _("Value");
+       case 0: return _("Link");
+       case 1: return _("Duration");
+       case 2: return _("Start Time");
+       case 3: return _("Intersection");
        default:
                return String();
        }
@@ -224,10 +225,10 @@ ValueNode_Step::link_local_name(int i)const
 int
 ValueNode_Step::get_link_index_from_name(const String &name)const
 {
-       if(name=="width")  return 0;
-       if(name=="height") return 1;
-       if(name=="time")   return 2;
-       if(name=="value")  return 3;
+       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);
 }