Remove .gitignore do nothing is ignored.
[synfig.git] / synfig-core / trunk / src / modules / mod_noise / valuenode_random.cpp
index 24bfe23..1ae09a4 100644 (file)
@@ -6,7 +6,7 @@
 **
 **     \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
@@ -60,13 +60,17 @@ ValueNode_Random::ValueNode_Random(const ValueBase &value):
        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(Random::SMOOTH_CUBIC)));
+       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;
@@ -83,7 +87,7 @@ ValueNode_Random::ValueNode_Random(const ValueBase &value):
                set_link("link",ValueNode_Const::create(value.get(Vector())));
                break;
        default:
-               throw Exception::BadType(ValueBase::type_name(get_type()));
+               throw Exception::BadType(ValueBase::type_local_name(get_type()));
        }
 
        DCAST_HACK_ENABLE();
@@ -109,12 +113,14 @@ ValueNode_Random::~ValueNode_Random()
 ValueBase
 ValueNode_Random::operator()(Time t)const
 {
-       typedef const Random::SmoothType Smooth;
+       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()) * t;
+       float   speed   = (*speed_ )(t).get(Real());
+       int             loop    = int((((*loop_ )(t).get(Real())) * speed) + 0.5);
+       speed *= t;
 
        random.set_seed(seed);
 
@@ -122,30 +128,34 @@ ValueNode_Random::operator()(Time t)const
        {
        case ValueBase::TYPE_ANGLE:
                return ((*link_)(t).get( Angle()) +
-                               Angle::deg(random(Smooth(smooth), 0, 0, 0, speed) * radius));
+                               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),
-                                          random(Smooth(smooth), 1, 0, 0, speed),
-                                          random(Smooth(smooth), 2, 0, 0, speed), 0) * radius).clamped());
+                                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) * radius);
+                                                       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) * radius);
+                               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) * radius);
+                               random(Smooth(smooth), 0, 0, 0, speed, loop) * radius);
 
        case ValueBase::TYPE_VECTOR:
        {
-               float length(random(Smooth(smooth), 0, 0, 0, speed) * radius);
-               Angle::rad angle(random(Smooth(smooth), 1, 0, 0, speed) * PI);
+               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);
@@ -173,31 +183,18 @@ ValueNode_Random::get_local_name()const
 }
 
 bool
-ValueNode_Random::set_link_vfunc(int i,ValueNode::Handle x)
+ValueNode_Random::set_link_vfunc(int i,ValueNode::Handle value)
 {
        assert(i>=0 && i<link_count());
+
        switch(i)
        {
-       case 0:
-               link_=x;
-               signal_child_changed()(i);signal_value_changed()();
-               return true;
-       case 1:
-               radius_=x;
-               signal_child_changed()(i);signal_value_changed()();
-               return true;
-       case 2:
-               seed_=x;
-               signal_child_changed()(i);signal_value_changed()();
-               return true;
-       case 3:
-               speed_=x;
-               signal_child_changed()(i);signal_value_changed()();
-               return true;
-       case 4:
-               smooth_=x;
-               signal_child_changed()(i);signal_value_changed()();
-               return true;
+       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;
 }
@@ -206,6 +203,7 @@ ValueNode::LooseHandle
 ValueNode_Random::get_link_vfunc(int i)const
 {
        assert(i>=0 && i<link_count());
+
        switch(i)
        {
        case 0: return link_;
@@ -213,6 +211,7 @@ ValueNode_Random::get_link_vfunc(int i)const
        case 2: return seed_;
        case 3: return speed_;
        case 4: return smooth_;
+       case 5: return loop_;
        }
        return 0;
 }
@@ -220,13 +219,14 @@ ValueNode_Random::get_link_vfunc(int i)const
 int
 ValueNode_Random::link_count()const
 {
-       return 5;
+       return 6;
 }
 
 String
 ValueNode_Random::link_name(int i)const
 {
        assert(i>=0 && i<link_count());
+
        switch(i)
        {
        case 0: return "link";
@@ -234,6 +234,7 @@ ValueNode_Random::link_name(int i)const
        case 2: return "seed";
        case 3: return "speed";
        case 4: return "smooth";
+       case 5: return "loop";
        }
        return String();
 }
@@ -242,6 +243,7 @@ String
 ValueNode_Random::link_local_name(int i)const
 {
        assert(i>=0 && i<link_count());
+
        switch(i)
        {
        case 0: return _("Link");
@@ -249,6 +251,7 @@ ValueNode_Random::link_local_name(int i)const
        case 2: return _("Seed");
        case 3: return _("Animation Speed");
        case 4: return _("Interpolation");
+       case 5: return _("Loop Time");
        }
        return String();
 }
@@ -261,6 +264,7 @@ ValueNode_Random::get_link_index_from_name(const String &name)const
        if(name=="seed"  ) return 2;
        if(name=="speed" ) return 3;
        if(name=="smooth") return 4;
+       if(name=="loop"  ) return 5;
        throw Exception::BadLinkName(name);
 }
 
@@ -269,6 +273,7 @@ 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              ||