2D Animation Improvements

-=-=-=-=-=-=-=-=-=--=-=-=

-Ability to set 2D nodes as bones
-Abity to set 2D nodes as IK chains
-2D IK Solver
-Improvements in the UI for adding keyframes (separate loc,rot,scale buttons)

core/math/math_2d.cpp

@@ -74,7 +74,7 @@ float Vector2::distance_squared_to(const Vector2& p_vector2) const {
 
 float Vector2::angle_to(const Vector2& p_vector2) const  {
 	
-	return Math::atan2( x-p_vector2.x, y - p_vector2.y );
+	return Math::atan2( tangent().dot(p_vector2), dot(p_vector2) );
 }
 
 float Vector2::dot(const Vector2& p_other) const {
@@ -594,6 +594,10 @@ Matrix32 Matrix32::rotated(float p_phi) const {
 
 }
 
+float Matrix32::basis_determinant() const {
+
+	return elements[0].x * elements[1].y - elements[0].y * elements[1].x;
+}
 
 Matrix32 Matrix32::interpolate_with(const Matrix32& p_transform, float p_c) const {
 

core/math/math_2d.h

@@ -553,6 +553,9 @@ struct Matrix32 {
 	void scale_basis(const Vector2& p_scale);
 	void translate( real_t p_tx, real_t p_ty);
 	void translate( const Vector2& p_translation );
+
+	float basis_determinant() const;
+
 	Vector2 get_scale() const;
 
 	_FORCE_INLINE_ const Vector2& get_origin() const { return elements[2]; }

platform/android/java/src/com/android/godot/Godot.java

@@ -319,7 +319,7 @@ public class Godot extends Activity implements SensorEventListener
 
 
 		//check for apk expansion API
-		if (true) {
+		if (!true) {
 			command_line = getCommandLine();
 			boolean use_apk_expansion=false;
 			String main_pack_md5=null;

platform/android/java_glue.cpp

@@ -1573,13 +1573,18 @@ JNIEXPORT void JNICALL Java_com_android_godot_GodotLib_calldeferred(JNIEnv * env
 	int count = env->GetArrayLength(params);
 	Variant args[VARIANT_ARG_MAX];
 
+	print_line("Java->GD call: "+obj->get_type()+"::"+str_method+" argc "+itos(count));
+
 	for (int i=0; i<MIN(count,VARIANT_ARG_MAX); i++) {
 
 		jobject obj = env->GetObjectArrayElement(params, i);
 		args[i] = _jobject_to_variant(env, obj);
+		print_line("\targ"+itos(i)+": "+Variant::get_type_name(args[i].get_type()));
+
 	};
 
 
+
 	obj->call_deferred(str_method, args[0],args[1],args[2],args[3],args[4]);
 	// something
 };

scene/2d/node_2d.cpp

@@ -51,9 +51,9 @@ bool Node2D::edit_has_pivot() const {
 Variant Node2D::edit_get_state() const {
 
 	Array state;
-	state.push_back(pos);
+	state.push_back(get_pos());
-	state.push_back(angle);
+	state.push_back(get_rot());
-	state.push_back(scale);
+	state.push_back(get_scale());
 
 	return state;
 

scene/2d/path_2d.cpp

@@ -27,7 +27,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "path_2d.h"
-
+#include "scene/scene_string_names.h"
 
 void Path2D::_notification(int p_what) {
 
@@ -90,3 +90,271 @@ Path2D::Path2D() {
 
 	set_curve(Ref<Curve2D>( memnew( Curve2D ))); //create one by default
 }
+
+/////////////////////////////////////////////////////////////////////////////////
+
+
+void PathFollow2D::_update_transform() {
+
+
+	if (!path)
+		return;
+
+	Ref<Curve2D> c =path->get_curve();
+	if (!c.is_valid())
+		return;
+
+
+	float o = offset;
+	if (loop)
+		o=Math::fposmod(o,c->get_baked_length());
+
+	Vector2 pos = c->interpolate_baked(o,cubic);
+
+	if (rotate) {
+
+		Vector2 n = (c->interpolate_baked(o+lookahead,cubic)-pos).normalized();
+		Vector2 t = -n.tangent();
+		pos+=n*h_offset;
+		pos+=t*v_offset;
+
+		set_rot(t.atan2());
+
+	} else {
+
+		pos.x+=h_offset;
+		pos.y+=v_offset;
+	}
+
+	set_pos(pos);
+
+}
+
+void PathFollow2D::_notification(int p_what) {
+
+
+	switch(p_what) {
+
+		case NOTIFICATION_ENTER_SCENE: {
+
+			Node *parent=get_parent();
+			if (parent) {
+
+				path=parent->cast_to<Path2D>();
+				if (path) {
+					_update_transform();
+				}
+			}
+
+		} break;
+		case NOTIFICATION_EXIT_SCENE: {
+
+
+			path=NULL;
+		} break;
+	}
+
+}
+
+void PathFollow2D::set_cubic_interpolation(bool p_enable) {
+
+	cubic=p_enable;
+}
+
+bool PathFollow2D::get_cubic_interpolation() const {
+
+	return cubic;
+}
+
+
+bool PathFollow2D::_set(const StringName& p_name, const Variant& p_value) {
+
+	if (p_name==SceneStringNames::get_singleton()->offset) {
+		set_offset(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->unit_offset) {
+		set_unit_offset(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->rotate) {
+		set_rotate(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->v_offset) {
+		set_v_offset(p_value);
+	} else if (p_name==SceneStringNames::get_singleton()->h_offset) {
+		set_h_offset(p_value);
+	} else if (String(p_name)=="cubic_interp") {
+		set_cubic_interpolation(p_value);
+	} else if (String(p_name)=="loop") {
+		set_loop(p_value);
+	} else if (String(p_name)=="lookahead") {
+		set_lookahead(p_value);
+	} else
+		return false;
+
+	return true;
+}
+
+bool PathFollow2D::_get(const StringName& p_name,Variant &r_ret) const{
+
+	if (p_name==SceneStringNames::get_singleton()->offset) {
+		r_ret=get_offset();
+	} else if (p_name==SceneStringNames::get_singleton()->unit_offset) {
+		r_ret=get_unit_offset();
+	} else if (p_name==SceneStringNames::get_singleton()->rotate) {
+		r_ret=is_rotating();
+	} else if (p_name==SceneStringNames::get_singleton()->v_offset) {
+		r_ret=get_v_offset();
+	} else if (p_name==SceneStringNames::get_singleton()->h_offset) {
+		r_ret=get_h_offset();
+	} else if (String(p_name)=="cubic_interp") {
+		r_ret=cubic;
+	} else if (String(p_name)=="loop") {
+		r_ret=loop;
+	} else if (String(p_name)=="lookahead") {
+		r_ret=lookahead;
+	} else
+		return false;
+
+	return true;
+
+}
+void PathFollow2D::_get_property_list( List<PropertyInfo> *p_list) const{
+
+	float max=10000;
+	if (path && path->get_curve().is_valid())
+		max=path->get_curve()->get_baked_length();
+	p_list->push_back( PropertyInfo( Variant::REAL, "offset", PROPERTY_HINT_RANGE,"0,"+rtos(max)+",0.01"));
+	p_list->push_back( PropertyInfo( Variant::REAL, "unit_offset", PROPERTY_HINT_RANGE,"0,1,0.0001",PROPERTY_USAGE_EDITOR));
+	p_list->push_back( PropertyInfo( Variant::REAL, "h_offset") );
+	p_list->push_back( PropertyInfo( Variant::REAL, "v_offset") );
+	p_list->push_back( PropertyInfo( Variant::BOOL, "rotate") );
+	p_list->push_back( PropertyInfo( Variant::BOOL, "cubic_interp"));
+	p_list->push_back( PropertyInfo( Variant::BOOL, "loop"));
+	p_list->push_back( PropertyInfo( Variant::REAL, "lookahead",PROPERTY_HINT_RANGE,"0.001,1024.0,0.001"));
+}
+
+
+void PathFollow2D::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_offset","offset"),&PathFollow2D::set_offset);
+	ObjectTypeDB::bind_method(_MD("get_offset"),&PathFollow2D::get_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_h_offset","h_offset"),&PathFollow2D::set_h_offset);
+	ObjectTypeDB::bind_method(_MD("get_h_offset"),&PathFollow2D::get_h_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_v_offset","v_offset"),&PathFollow2D::set_v_offset);
+	ObjectTypeDB::bind_method(_MD("get_v_offset"),&PathFollow2D::get_v_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_unit_offset","unit_offset"),&PathFollow2D::set_unit_offset);
+	ObjectTypeDB::bind_method(_MD("get_unit_offset"),&PathFollow2D::get_unit_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_rotate","enable"),&PathFollow2D::set_rotate);
+	ObjectTypeDB::bind_method(_MD("is_rotating"),&PathFollow2D::is_rotating);
+
+	ObjectTypeDB::bind_method(_MD("set_cubic_interpolation","enable"),&PathFollow2D::set_cubic_interpolation);
+	ObjectTypeDB::bind_method(_MD("get_cubic_interpolation"),&PathFollow2D::get_cubic_interpolation);
+
+	ObjectTypeDB::bind_method(_MD("set_loop","loop"),&PathFollow2D::set_loop);
+	ObjectTypeDB::bind_method(_MD("has_loop"),&PathFollow2D::has_loop);
+
+
+}
+
+void PathFollow2D::set_offset(float p_offset) {
+
+	offset=p_offset;
+	if (path)
+		_update_transform();
+	_change_notify("offset");
+	_change_notify("unit_offset");
+
+}
+
+void PathFollow2D::set_h_offset(float p_h_offset) {
+
+	h_offset=p_h_offset;
+	if (path)
+		_update_transform();
+
+}
+
+float PathFollow2D::get_h_offset() const {
+
+	return h_offset;
+}
+
+void PathFollow2D::set_v_offset(float p_v_offset) {
+
+	v_offset=p_v_offset;
+	if (path)
+		_update_transform();
+
+}
+
+float PathFollow2D::get_v_offset() const {
+
+	return v_offset;
+}
+
+
+float PathFollow2D::get_offset() const{
+
+	return offset;
+}
+
+void PathFollow2D::set_unit_offset(float p_unit_offset) {
+
+	if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+		set_offset(p_unit_offset*path->get_curve()->get_baked_length());
+
+}
+
+float PathFollow2D::get_unit_offset() const{
+
+	if (path && path->get_curve().is_valid() && path->get_curve()->get_baked_length())
+		return get_offset()/path->get_curve()->get_baked_length();
+	else
+		return 0;
+}
+
+void PathFollow2D::set_lookahead(float p_lookahead) {
+
+	lookahead=p_lookahead;
+
+}
+
+float PathFollow2D::get_lookahead() const{
+
+	return lookahead;
+}
+
+void PathFollow2D::set_rotate(bool p_rotate) {
+
+	rotate=p_rotate;
+	_update_transform();
+}
+
+bool PathFollow2D::is_rotating() const {
+
+	return rotate;
+}
+
+void PathFollow2D::set_loop(bool p_loop) {
+
+	loop=p_loop;
+}
+
+bool PathFollow2D::has_loop() const{
+
+	return loop;
+}
+
+
+PathFollow2D::PathFollow2D() {
+
+	offset=0;
+	h_offset=0;
+	v_offset=0;
+	path=NULL;
+	rotate=true;
+	cubic=true;
+	loop=true;
+	lookahead=4;
+}

scene/2d/path_2d.h

@@ -54,4 +54,63 @@ public:
 	Path2D();
 };
 
+
+
+class PathFollow2D : public Node2D {
+
+	OBJ_TYPE(PathFollow2D,Node2D);
+public:
+
+
+private:
+	Path2D *path;
+	real_t offset;
+	real_t h_offset;
+	real_t v_offset;
+	real_t lookahead;
+	bool cubic;
+	bool loop;
+	bool rotate;
+
+	void _update_transform();
+
+
+protected:
+
+	bool _set(const StringName& p_name, const Variant& p_value);
+	bool _get(const StringName& p_name,Variant &r_ret) const;
+	void _get_property_list( List<PropertyInfo> *p_list) const;
+
+	void _notification(int p_what);
+	static void _bind_methods();
+public:
+
+	void set_offset(float p_offset);
+	float get_offset() const;
+
+	void set_h_offset(float p_h_offset);
+	float get_h_offset() const;
+
+	void set_v_offset(float p_v_offset);
+	float get_v_offset() const;
+
+	void set_unit_offset(float p_unit_offset);
+	float get_unit_offset() const;
+
+	void set_lookahead(float p_lookahead);
+	float get_lookahead() const;
+
+	void set_loop(bool p_loop);
+	bool has_loop() const;
+
+	void set_rotate(bool p_enabled);
+	bool is_rotating() const;
+
+	void set_cubic_interpolation(bool p_enable);
+	bool get_cubic_interpolation() const;
+
+	PathFollow2D();
+};
+
+
 #endif // PATH_2D_H

scene/register_scene_types.cpp

@@ -562,6 +562,7 @@ void register_scene_types() {
 	ObjectTypeDB::register_type<ConcavePolygonShape2D>();
 	ObjectTypeDB::register_type<Curve2D>();
 	ObjectTypeDB::register_type<Path2D>();
+	ObjectTypeDB::register_type<PathFollow2D>();
 
 	OS::get_singleton()->yield(); //may take time to init
 

scene/resources/curve.cpp

@@ -44,6 +44,7 @@ static _FORCE_INLINE_ T _bezier_interp(real_t t, T start, T control_1, T control
 	   + end * t3;
 }
 
+#if 0
 
 int Curve2D::get_point_count() const {
 
@@ -379,6 +380,457 @@ Curve2D::Curve2D()
 {
 }
 
+#endif
+
+
+
+
+int Curve2D::get_point_count() const {
+
+	return points.size();
+}
+void Curve2D::add_point(const Vector2& p_pos, const Vector2& p_in, const Vector2& p_out,int p_atpos) {
+
+	Point n;
+	n.pos=p_pos;
+	n.in=p_in;
+	n.out=p_out;
+	if (p_atpos>=0 && p_atpos<points.size())
+		points.insert(p_atpos,n);
+	else
+		points.push_back(n);
+
+
+	baked_cache_dirty=true;
+	emit_signal(CoreStringNames::get_singleton()->changed);
+}
+
+void Curve2D::set_point_pos(int p_index, const Vector2& p_pos) {
+
+	ERR_FAIL_INDEX(p_index,points.size());
+
+	points[p_index].pos=p_pos;
+	baked_cache_dirty=true;
+	emit_signal(CoreStringNames::get_singleton()->changed);
+
+}
+Vector2 Curve2D::get_point_pos(int p_index) const {
+
+	ERR_FAIL_INDEX_V(p_index,points.size(),Vector2());
+	return points[p_index].pos;
+
+}
+
+
+void Curve2D::set_point_in(int p_index, const Vector2& p_in) {
+
+	ERR_FAIL_INDEX(p_index,points.size());
+
+	points[p_index].in=p_in;
+	baked_cache_dirty=true;
+	emit_signal(CoreStringNames::get_singleton()->changed);
+
+}
+Vector2 Curve2D::get_point_in(int p_index) const {
+
+	ERR_FAIL_INDEX_V(p_index,points.size(),Vector2());
+	return points[p_index].in;
+
+}
+
+void Curve2D::set_point_out(int p_index, const Vector2& p_out) {
+
+	ERR_FAIL_INDEX(p_index,points.size());
+
+	points[p_index].out=p_out;
+	baked_cache_dirty=true;
+	emit_signal(CoreStringNames::get_singleton()->changed);
+
+}
+
+Vector2 Curve2D::get_point_out(int p_index) const {
+
+	ERR_FAIL_INDEX_V(p_index,points.size(),Vector2());
+	return points[p_index].out;
+
+}
+
+
+void Curve2D::remove_point(int p_index) {
+
+	ERR_FAIL_INDEX(p_index,points.size());
+	points.remove(p_index);
+	baked_cache_dirty=true;
+	emit_signal(CoreStringNames::get_singleton()->changed);
+}
+
+Vector2 Curve2D::interpolate(int p_index, float p_offset) const {
+
+	int pc = points.size();
+	ERR_FAIL_COND_V(pc==0,Vector2());
+
+	if (p_index >= pc-1)
+		return points[pc-1].pos;
+	else if (p_index<0)
+		return points[0].pos;
+
+	Vector2 p0 = points[p_index].pos;
+	Vector2 p1 = p0+points[p_index].out;
+	Vector2 p3 = points[p_index+1].pos;
+	Vector2 p2 = p3+points[p_index+1].in;
+
+	return _bezier_interp(p_offset,p0,p1,p2,p3);
+}
+
+Vector2 Curve2D::interpolatef(real_t p_findex) const {
+
+
+	if (p_findex>0)
+		p_findex=0;
+	else if (p_findex>=points.size())
+		p_findex=points.size();
+
+	return interpolate((int)p_findex,Math::fmod(p_findex,1.0));
+
+}
+
+
+void Curve2D::_bake_segment2d(Map<float,Vector2>& r_bake, float p_begin, float p_end,const Vector2& p_a,const Vector2& p_out,const Vector2& p_b, const Vector2& p_in,int p_depth,int p_max_depth,float p_tol) const {
+
+	float mp = p_begin+(p_end-p_begin)*0.5;
+	Vector2 beg = _bezier_interp(p_begin,p_a,p_a+p_out,p_b+p_in,p_b);
+	Vector2 mid = _bezier_interp(mp,p_a,p_a+p_out,p_b+p_in,p_b);
+	Vector2 end = _bezier_interp(p_end,p_a,p_a+p_out,p_b+p_in,p_b);
+
+	Vector2 na = (mid-beg).normalized();
+	Vector2 nb = (end-mid).normalized();
+	float dp = na.dot(nb);
+
+	if (dp<Math::cos(Math::deg2rad(p_tol))) {
+
+		r_bake[mp]=mid;
+	}
+
+	if (p_depth<p_max_depth) {
+		_bake_segment2d(r_bake,p_begin,mp,p_a,p_out,p_b,p_in,p_depth+1,p_max_depth,p_tol);
+		_bake_segment2d(r_bake,mp,p_end,p_a,p_out,p_b,p_in,p_depth+1,p_max_depth,p_tol);
+	}
+}
+
+
+
+void Curve2D::_bake() const {
+
+	if (!baked_cache_dirty)
+		return;
+
+	baked_max_ofs=0;
+	baked_cache_dirty=false;
+
+	if (points.size()==0) {
+		baked_point_cache.resize(0);
+		return;
+	}
+
+	if (points.size()==1) {
+
+		baked_point_cache.resize(1);
+		baked_point_cache.set(0,points[0].pos);
+		return;
+	}
+
+
+	Vector2 pos=points[0].pos;
+	int point=0;
+	float ofs=0;
+	List<Vector2> pointlist;
+
+
+	for(int i=0;i<points.size()-1;i++) {
+
+		float slen=points[i].pos.distance_to(points[i+1].pos);
+		float divs = slen / bake_interval;
+		if (divs>1)
+			divs=1;
+
+		float step = divs*0.1; // 10 substeps ought to be enough?
+		float p = 0;
+
+		while(p<1.0) {
+
+			float np=p+step;
+			if (np>1.0)
+				np=1.0;
+
+
+			Vector2 npp = _bezier_interp(np, points[i].pos,points[i].pos+points[i].out,points[i+1].pos+points[i+1].in,points[i+1].pos);
+			float d = pos.distance_to(npp);
+
+			if (d>bake_interval) {
+				// OK! between P and NP there _has_ to be Something, let's go searching!
+
+				int iterations = 10; //lots of detail!
+
+				float low = p;
+				float hi = np;
+				float mid = low+(hi-low)*0.5;
+
+				for(int j=0;j<iterations;j++) {
+
+
+					npp = _bezier_interp(mid, points[i].pos,points[i].pos+points[i].out,points[i+1].pos+points[i+1].in,points[i+1].pos);
+					d = pos.distance_to(npp);
+
+					if (bake_interval < d)
+						hi=mid;
+					else
+						low=mid;
+					mid = low+(hi-low)*0.5;
+
+				}
+
+				pos=npp;
+				p=mid;
+				pointlist.push_back(pos);
+			} else {
+
+				p=np;
+			}
+
+		}
+	}
+
+	Vector2 lastpos = points[points.size()-1].pos;
+
+
+	float rem = pos.distance_to(lastpos);
+	baked_max_ofs=(pointlist.size()-1)*bake_interval+rem;
+	pointlist.push_back(lastpos);
+
+	baked_point_cache.resize(pointlist.size());
+	Vector2Array::Write w = baked_point_cache.write();
+	int idx=0;
+
+
+	for(List<Vector2>::Element *E=pointlist.front();E;E=E->next()) {
+
+		w[idx]=E->get();
+		idx++;
+	}
+
+}
+
+float Curve2D::get_baked_length() const {
+
+	if (baked_cache_dirty)
+		_bake();
+
+	return baked_max_ofs;
+}
+Vector2 Curve2D::interpolate_baked(float p_offset,bool p_cubic) const{
+
+	if (baked_cache_dirty)
+		_bake();
+
+	//validate//
+	int pc = baked_point_cache.size();
+	if (pc==0) {
+		ERR_EXPLAIN("No points in Curve2D");
+		ERR_FAIL_COND_V(pc==0,Vector2());
+	}
+
+	if (pc==1)
+		return baked_point_cache.get(0);
+
+	int bpc=baked_point_cache.size();
+	Vector2Array::Read r = baked_point_cache.read();
+
+	if (p_offset<0)
+		return r[0];
+	if (p_offset>=baked_max_ofs)
+		return r[bpc-1];
+
+	int idx = Math::floor(p_offset/bake_interval);
+	float frac = Math::fmod(p_offset,bake_interval);
+
+	if (idx>=bpc-1) {
+		return r[bpc-1];
+	} else if (idx==bpc-2) {
+		frac/=Math::fmod(baked_max_ofs,bake_interval);
+	} else {
+		frac/=bake_interval;
+	}
+
+	if (p_cubic) {
+
+		Vector2 pre = idx>0? r[idx-1] : r[idx];
+		Vector2 post = (idx<(bpc-2))? r[idx+2] : r[idx+1];
+		return r[idx].cubic_interpolate(r[idx+1],pre,post,frac);
+	} else {
+		return r[idx].linear_interpolate(r[idx+1],frac);
+	}
+}
+
+
+Vector2Array Curve2D::get_baked_points() const {
+
+	if (baked_cache_dirty)
+		_bake();
+
+	return baked_point_cache;
+}
+
+
+void Curve2D::set_bake_interval(float p_tolerance){
+
+	bake_interval=p_tolerance;
+	baked_cache_dirty=true;
+	emit_signal(CoreStringNames::get_singleton()->changed);
+
+}
+
+float Curve2D::get_bake_interval() const{
+
+	return bake_interval;
+}
+
+Dictionary Curve2D::_get_data() const {
+
+	Dictionary dc;
+
+	Vector2Array d;
+	d.resize(points.size()*3);
+	Vector2Array::Write w = d.write();
+
+
+	for(int i=0;i<points.size();i++) {
+
+		w[i*3+0]=points[i].in;
+		w[i*3+1]=points[i].out;
+		w[i*3+2]=points[i].pos;
+
+	}
+
+	w=Vector2Array::Write();
+
+	dc["points"]=d;
+
+	return dc;
+}
+void Curve2D::_set_data(const Dictionary& p_data){
+
+
+	ERR_FAIL_COND(!p_data.has("points"));
+
+	Vector2Array rp=p_data["points"];
+	int pc = rp.size();
+	ERR_FAIL_COND(pc%3!=0);
+	points.resize(pc/3);
+	Vector2Array::Read r = rp.read();
+
+	for(int i=0;i<points.size();i++) {
+
+		points[i].in=r[i*3+0];
+		points[i].out=r[i*3+1];
+		points[i].pos=r[i*3+2];
+	}
+
+	baked_cache_dirty=true;
+
+}
+
+
+Vector2Array Curve2D::tesselate(int p_max_stages,float p_tolerance) const {
+
+	Vector2Array tess;
+
+
+	if (points.size()==0) {
+		return tess;
+	}
+	Vector< Map<float,Vector2> > midpoints;
+
+	midpoints.resize(points.size()-1);
+
+	int pc=1;
+	for(int i=0;i<points.size()-1;i++) {
+
+		_bake_segment2d(midpoints[i],0,1,points[i].pos,points[i].out,points[i+1].pos,points[i+1].in,0,p_max_stages,p_tolerance);
+		pc++;
+		pc+=midpoints[i].size();
+
+	}
+
+	tess.resize(pc);
+	Vector2Array::Write bpw=tess.write();
+	bpw[0]=points[0].pos;
+	int pidx=0;
+
+	for(int i=0;i<points.size()-1;i++) {
+
+		for(Map<float,Vector2>::Element *E=midpoints[i].front();E;E=E->next()) {
+
+			pidx++;
+			bpw[pidx] = E->get();
+		}
+
+		pidx++;
+		bpw[pidx] = points[i+1].pos;
+
+	}
+
+	bpw=Vector2Array::Write ();
+
+	return tess;
+
+}
+
+void Curve2D::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("get_point_count"),&Curve2D::get_point_count);
+	ObjectTypeDB::bind_method(_MD("add_point","pos","in","out","atpos"),&Curve2D::add_point,DEFVAL(Vector2()),DEFVAL(Vector2()),DEFVAL(-1));
+	ObjectTypeDB::bind_method(_MD("set_point_pos","idx","pos"),&Curve2D::set_point_pos);
+	ObjectTypeDB::bind_method(_MD("get_point_pos","idx"),&Curve2D::get_point_pos);
+	ObjectTypeDB::bind_method(_MD("set_point_in","idx","pos"),&Curve2D::set_point_in);
+	ObjectTypeDB::bind_method(_MD("get_point_in","idx"),&Curve2D::get_point_in);
+	ObjectTypeDB::bind_method(_MD("set_point_out","idx","pos"),&Curve2D::set_point_out);
+	ObjectTypeDB::bind_method(_MD("get_point_out","idx"),&Curve2D::get_point_out);
+	ObjectTypeDB::bind_method(_MD("remove_point","idx"),&Curve2D::remove_point);
+	ObjectTypeDB::bind_method(_MD("interpolate","idx","t"),&Curve2D::interpolate);
+	ObjectTypeDB::bind_method(_MD("interpolatef","fofs"),&Curve2D::interpolatef);
+	//ObjectTypeDB::bind_method(_MD("bake","subdivs"),&Curve2D::bake,DEFVAL(10));
+	ObjectTypeDB::bind_method(_MD("set_bake_interval","distance"),&Curve2D::set_bake_interval);
+	ObjectTypeDB::bind_method(_MD("get_bake_interval"),&Curve2D::get_bake_interval);
+
+	ObjectTypeDB::bind_method(_MD("get_baked_length"),&Curve2D::get_baked_length);
+	ObjectTypeDB::bind_method(_MD("interpolate_baked","offset","cubic"),&Curve2D::interpolate_baked,DEFVAL(false));
+	ObjectTypeDB::bind_method(_MD("get_baked_points"),&Curve2D::get_baked_points);
+
+	ObjectTypeDB::bind_method(_MD("_get_data"),&Curve2D::_get_data);
+	ObjectTypeDB::bind_method(_MD("_set_data"),&Curve2D::_set_data);
+
+
+	ADD_PROPERTY( PropertyInfo( Variant::REAL, "bake_interval",PROPERTY_HINT_RANGE,"0.01,512,0.01"), _SCS("set_bake_interval"),_SCS("get_bake_interval"));
+	ADD_PROPERTY( PropertyInfo( Variant::INT, "_data",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR), _SCS("_set_data"),_SCS("_get_data"));
+	/*ADD_PROPERTY( PropertyInfo( Variant::VECTOR3_ARRAY, "points_out"), _SCS("set_points_out"),_SCS("get_points_out"));
+	ADD_PROPERTY( PropertyInfo( Variant::VECTOR3_ARRAY, "points_pos"), _SCS("set_points_pos"),_SCS("get_points_pos"));
+*/
+}
+
+
+
+
+Curve2D::Curve2D()
+{
+	baked_cache_dirty=false;
+	baked_max_ofs=0;
+/*	add_point(Vector2(-1,0,0));
+	add_point(Vector2(0,2,0));
+	add_point(Vector2(0,3,5));*/
+	bake_interval=5;
+
+}
+
 
 
 
@@ -513,217 +965,6 @@ Vector3 Curve3D::interpolatef(real_t p_findex) const {
 
 }
 
-#if 0
-DVector<Point3> Curve3D::bake(int p_subdivs) const {
-
-	int pc = points.size();
-
-	DVector<Point3> ret;
-	if (pc<3)
-		return ret;
-
-	ret.resize((pc-1)*p_subdivs+1);
-
-	DVector<Point3>::Write w = ret.write();
-	const Point *r = points.ptr();
-
-	for(int i=0;i<pc;i++) {
-
-		int ofs = pc*p_subdivs;
-
-		int limit=(i==pc-1)?p_subdivs+1:p_subdivs;
-
-		for(int j=0;j<limit;j++) {
-
-			Vector3 p0 = r[i].pos;
-			Vector3 p1 = p0+r[i].out;
-			Vector3 p3 = r[i].pos;
-			Vector3 p3 = p3+r[i].in;
-			real_t t = j/(real_t)p_subdivs;
-
-			w[ofs+j]=_bezier_interp(t,p0,p1,p3,p3);
-
-		}
-	}
-
-	w = DVector<Point3>::Write();
-
-	return ret;
-}
-
-
-
-void Curve3D::advance(real_t p_distance,int &r_index, real_t &r_pos) const {
-
-	int pc = points.size();
-	ERR_FAIL_COND(pc<3);
-	if (r_index<0 || r_index>=(pc-1))
-		return;
-
-	Vector3 pos = interpolate(r_index,r_pos);
-
-	float sign=p_distance<0 ? -1 : 1;
-	p_distance=Math::abs(p_distance);
-
-	real_t base = r_index+r_pos;
-	real_t top = 0.1; //a tenth is in theory representative
-	int iterations=33;
-
-
-
-	for(int i=0;i<iterations;i++) {
-
-
-		real_t o=base+top*sign;
-		if (sign>0 && o >=pc) {
-			top=pc-base;
-			break;
-		} else if (sign<0 && o <0) {
-			top=-base;
-			break;
-		}
-
-		Vector3 new_d = interpolatef(o);
-
-		if (new_d.distance_to(pos) > p_distance)
-			break;
-		top*=3.0;
-	}
-
-
-	real_t bottom = 0.0;
-	iterations=8;
-	real_t final_offset;
-
-
-	for(int i=0;i<iterations;i++) {
-
-		real_t middle = (bottom+top)*0.5;
-		real_t o=base+middle*sign;
-		Vector3 new_d = interpolatef(o);
-
-		if (new_d.distance_to(pos) > p_distance) {
-			bottom=middle;
-		} else {
-			top=middle;
-		}
-		final_offset=o;
-	}
-
-	r_index=(int)final_offset;
-	r_pos=Math::fmod(final_offset,1.0);
-
-}
-
-
-void Curve3D::get_approx_position_from_offset(real_t p_offset,int &r_index, real_t &r_pos,int p_subdivs) const {
-
-	ERR_FAIL_COND(points.size()<3);
-
-	real_t accum=0;
-
-
-
-	for(int i=0;i<points.size();i++) {
-
-		Vector3 prev_p=interpolate(i,0);
-
-
-		for(int j=1;j<=p_subdivs;j++) {
-
-			real_t frac = j/(real_t)p_subdivs;
-			Vector3 p = interpolate(i,frac);
-			real_t d = p.distance_to(prev_p);
-
-			accum+=d;
-			if (accum>p_offset) {
-
-
-				r_index=j-1;
-				if (d>0) {
-					real_t mf = (p_offset-(accum-d)) / d;
-					r_pos=frac-(1.0-mf);
-				} else {
-					r_pos=frac;
-				}
-
-				return;
-			}
-
-			prev_p=p;
-		}
-	}
-
-	r_index=points.size()-1;
-	r_pos=1.0;
-
-
-}
-
-
-void Curve3D::set_points_in(const Vector3Array& p_points) {
-
-	points.resize(p_points.size());
-	for (int i=0; i<p_points.size(); i++) {
-
-		Point p = points[i];
-		p.in = p_points[i];
-		points[i] = p;
-	};
-};
-
-void Curve3D::set_points_out(const Vector3Array& p_points) {
-
-	points.resize(p_points.size());
-	for (int i=0; i<p_points.size(); i++) {
-
-		Point p = points[i];
-		p.out = p_points[i];
-		points[i] = p;
-	};
-};
-
-void Curve3D::set_points_pos(const Vector3Array& p_points) {
-
-	points.resize(p_points.size());
-	for (int i=0; i<p_points.size(); i++) {
-
-		Point p = points[i];
-		p.pos = p_points[i];
-		points[i] = p;
-	};
-};
-
-Vector3Array Curve3D::get_points_in() const {
-	Vector3Array ret;
-	ret.resize(points.size());
-	for (int i=0; i<points.size(); i++) {
-		ret.set(i, points[i].in);
-	};
-	return ret;
-};
-
-Vector3Array Curve3D::get_points_out() const {
-	Vector3Array ret;
-	ret.resize(points.size());
-	for (int i=0; i<points.size(); i++) {
-		ret.set(i, points[i].out);
-	};
-	return ret;
-};
-
-Vector3Array Curve3D::get_points_pos() const {
-	Vector3Array ret;
-	ret.resize(points.size());
-	for (int i=0; i<points.size(); i++) {
-		ret.set(i, points[i].pos);
-	};
-	return ret;
-};
-
-#endif
-
-
 
 void Curve3D::_bake_segment3d(Map<float,Vector3>& r_bake, float p_begin, float p_end,const Vector3& p_a,const Vector3& p_out,const Vector3& p_b, const Vector3& p_in,int p_depth,int p_max_depth,float p_tol) const {
 

scene/resources/curve.h

@@ -30,7 +30,7 @@
 #define CURVE_H
 
 #include "resource.h"
-
+#if 0
 class Curve2D : public Resource {
 
 	OBJ_TYPE(Curve2D,Resource);
@@ -79,6 +79,79 @@ public:
 	Curve2D();
 };
 
+#endif
+
+
+class Curve2D : public Resource {
+
+	OBJ_TYPE(Curve2D,Resource);
+
+	struct Point {
+
+		Vector2 in;
+		Vector2 out;
+		Vector2 pos;
+	};
+
+
+	Vector<Point> points;
+
+	struct BakedPoint {
+
+		float ofs;
+		Vector2 point;
+	};
+
+	mutable bool baked_cache_dirty;
+	mutable Vector2Array baked_point_cache;
+	mutable float baked_max_ofs;
+
+
+	void _bake() const;
+
+	float bake_interval;
+
+	void _bake_segment2d(Map<float,Vector2>& r_bake, float p_begin, float p_end,const Vector2& p_a,const Vector2& p_out,const Vector2& p_b, const Vector2& p_in,int p_depth,int p_max_depth,float p_tol) const;
+	Dictionary _get_data() const;
+	void _set_data(const Dictionary &p_data);
+
+protected:
+
+	static void _bind_methods();
+
+
+
+public:
+
+
+	int get_point_count() const;
+	void add_point(const Vector2& p_pos, const Vector2& p_in=Vector2(), const Vector2& p_out=Vector2(),int p_atpos=-1);
+	void set_point_pos(int p_index, const Vector2& p_pos);
+	Vector2 get_point_pos(int p_index) const;
+	void set_point_in(int p_index, const Vector2& p_in);
+	Vector2 get_point_in(int p_index) const;
+	void set_point_out(int p_index, const Vector2& p_out);
+	Vector2 get_point_out(int p_index) const;
+	void remove_point(int p_index);
+
+	Vector2 interpolate(int p_index, float p_offset) const;
+	Vector2 interpolatef(real_t p_findex) const;
+
+
+	void set_bake_interval(float p_distance);
+	float get_bake_interval() const;
+
+
+	float get_baked_length() const;
+	Vector2 interpolate_baked(float p_offset,bool p_cubic=false) const;
+	Vector2Array get_baked_points() const; //useful for going thru
+
+	Vector2Array tesselate(int p_max_stages=5,float p_tolerance=4) const; //useful for display
+
+
+	Curve2D();
+};
+
 
 
 class Curve3D : public Resource {

scene/scene_string_names.cpp

@@ -112,6 +112,7 @@ SceneStringNames::SceneStringNames() {
 	offset=StaticCString::create("offset");
 	unit_offset=StaticCString::create("unit_offset");
 	rotation_mode=StaticCString::create("rotation_mode");
+	rotate=StaticCString::create("rotate");
 	h_offset=StaticCString::create("h_offset");
 	v_offset=StaticCString::create("v_offset");
 

scene/scene_string_names.h

@@ -128,6 +128,7 @@ public:
 	StringName offset;
 	StringName unit_offset;
 	StringName rotation_mode;
+	StringName rotate;
 	StringName v_offset;
 	StringName h_offset;
 

tools/editor/editor_settings.cpp

@@ -419,6 +419,12 @@ void EditorSettings::_load_defaults() {
 	set("3d_editor/zoom_modifier",4);
 	hints["3d_editor/zoom_modifier"]=PropertyInfo(Variant::INT,"3d_editor/zoom_modifier",PROPERTY_HINT_ENUM,"None,Shift,Alt,Meta,Ctrl");
 
+	set("2d_editor/bone_width",5);
+	set("2d_editor/bone_color1",Color(1.0,1.0,1.0,0.9));
+	set("2d_editor/bone_color2",Color(0.75,0.75,0.75,0.9));
+	set("2d_editor/bone_selected_color",Color(0.9,0.45,0.45,0.9));
+	set("2d_editor/bone_ik_color",Color(0.9,0.9,0.45,0.9));
+
 	set("on_save/compress_binary_resources",true);
 	set("on_save/save_modified_external_resources",true);
 	set("on_save/save_paths_as_relative",false);

tools/editor/plugins/canvas_item_editor_plugin.cpp

@@ -35,7 +35,7 @@
 #include "scene/2d/node_2d.h"
 #include "globals.h"
 #include "os/input.h"
-
+#include "tools/editor/editor_settings.h"
 void CanvasItemEditor::_unhandled_key_input(const InputEvent& p_ev) {
 
 	if (!is_visible())
@@ -180,9 +180,9 @@ void CanvasItemEditor::_node_removed(Node *p_node) {
 void CanvasItemEditor::_keying_changed(bool p_changed) {
 
 	if (p_changed)
-		animation_menu->show();
+		animation_hb->show();
 	else
-		animation_menu->hide();
+		animation_hb->hide();
 }
 
 // slow but modern computers should have no problem
@@ -639,30 +639,48 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 
 		if (b.button_index==BUTTON_RIGHT) {
 
+
+
 			if (get_item_count() > 0 && drag!=DRAG_NONE) {
 				//cancel drag
 
+				if (bone_ik_list.size()) {
 
-				List<Node*> &selection = editor_selection->get_selected_node_list();
+					for(List<BoneIK>::Element *E=bone_ik_list.back();E;E=E->prev()) {
 
-				for(List<Node*>::Element *E=selection.front();E;E=E->next()) {
+						E->get().node->edit_set_state(E->get().orig_state);
+					}
 
-					CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
+					bone_ik_list.clear();
-					if (!canvas_item)
-						continue;
-					if (!canvas_item->is_visible())
-						continue;
 
-					CanvasItemEditorSelectedItem *se=editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
+				} else {
-					if (!se)
-						continue;
 
-					canvas_item->edit_set_state(se->undo_state);
-					if (canvas_item->cast_to<Node2D>())
-						canvas_item->cast_to<Node2D>()->edit_set_pivot(se->undo_pivot);
 
+					List<Node*> &selection = editor_selection->get_selected_node_list();
+
+					for(List<Node*>::Element *E=selection.front();E;E=E->next()) {
+
+						CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
+						if (!canvas_item)
+							continue;
+						if (!canvas_item->is_visible())
+							continue;
+
+						CanvasItemEditorSelectedItem *se=editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
+						if (!se)
+							continue;
+
+						canvas_item->edit_set_state(se->undo_state);
+						if (canvas_item->cast_to<Node2D>())
+							canvas_item->cast_to<Node2D>()->edit_set_pivot(se->undo_pivot);
+
+					}
 				}
 
+				drag=DRAG_NONE;
+				viewport->update();
+				can_move_pivot=false;
+
 			} else if (box_selecting) {
 				box_selecting=false;
 				viewport->update();
@@ -689,34 +707,55 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 
 				if (undo_redo) {
 
-					undo_redo->create_action("Edit CanvasItem");
+
+					if (bone_ik_list.size()) {
 
 
-					List<Node*> &selection = editor_selection->get_selected_node_list();
+						undo_redo->create_action("Edit IK Chain");
 
-					for(List<Node*>::Element *E=selection.front();E;E=E->next()) {
+						for(List<BoneIK>::Element *E=bone_ik_list.back();E;E=E->prev()) {
 
-						CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
+							undo_redo->add_do_method(E->get().node,"edit_set_state",E->get().node->edit_get_state());
-						if (!canvas_item)
+							undo_redo->add_undo_method(E->get().node,"edit_set_state",E->get().orig_state);
-							continue;
+						}
-						if (!canvas_item->is_visible())
-							continue;
-						CanvasItemEditorSelectedItem *se=editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
-						if (!se)
-							continue;
 
-						Variant state=canvas_item->edit_get_state();
+						undo_redo->add_do_method(viewport,"update");
-						undo_redo->add_do_method(canvas_item,"edit_set_state",state);
+						undo_redo->add_undo_method(viewport,"update");
-						undo_redo->add_undo_method(canvas_item,"edit_set_state",se->undo_state);
+
-						if (canvas_item->cast_to<Node2D>()) {
+						bone_ik_list.clear();
-							Node2D *pvt = canvas_item->cast_to<Node2D>();
+
-							if (pvt->edit_has_pivot()) {
+						undo_redo->commit_action();
-								undo_redo->add_do_method(canvas_item,"edit_set_pivot",pvt->edit_get_pivot());
+					} else {
-								undo_redo->add_undo_method(canvas_item,"edit_set_pivot",se->undo_pivot);
+
+						undo_redo->create_action("Edit CanvasItem");
+
+
+						List<Node*> &selection = editor_selection->get_selected_node_list();
+
+						for(List<Node*>::Element *E=selection.front();E;E=E->next()) {
+
+							CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
+							if (!canvas_item)
+								continue;
+							if (!canvas_item->is_visible())
+								continue;
+							CanvasItemEditorSelectedItem *se=editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
+							if (!se)
+								continue;
+
+							Variant state=canvas_item->edit_get_state();
+							undo_redo->add_do_method(canvas_item,"edit_set_state",state);
+							undo_redo->add_undo_method(canvas_item,"edit_set_state",se->undo_state);
+							if (canvas_item->cast_to<Node2D>()) {
+								Node2D *pvt = canvas_item->cast_to<Node2D>();
+								if (pvt->edit_has_pivot()) {
+									undo_redo->add_do_method(canvas_item,"edit_set_pivot",pvt->edit_get_pivot());
+									undo_redo->add_undo_method(canvas_item,"edit_set_pivot",se->undo_pivot);
+								}
 							}
 						}
+						undo_redo->commit_action();
 					}
-					undo_redo->commit_action();
 				}
 
 				drag=DRAG_NONE;
@@ -759,6 +798,86 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 			return;
 		}
 
+
+		List<BoneList>::Element *Cbone=NULL; //closest
+
+		{
+			bone_ik_list.clear();
+			float closest_dist=1e20;
+			int bone_width = EditorSettings::get_singleton()->get("2d_editor/bone_width");
+			for(List<BoneList>::Element *E=bone_list.front();E;E=E->next()) {
+
+				if (E->get().from == E->get().to)
+					continue;
+				Vector2 s[2]={
+					E->get().from,
+					E->get().to
+				};
+
+				Vector2 p = Geometry::get_closest_point_to_segment_2d(Vector2(b.x,b.y),s);
+				float d = p.distance_to(Vector2(b.x,b.y));
+				if (d<bone_width && d<closest_dist) {
+					Cbone=E;
+					closest_dist=d;
+				}
+			}
+
+			if (Cbone) {
+				Node2D *b=NULL;
+				Object* obj=ObjectDB::get_instance(Cbone->get().bone);
+				if (obj)
+					b=obj->cast_to<Node2D>();
+
+				if (b) {
+
+
+					bool ik_found=false;
+					bool first=true;
+
+
+
+					while(b) {
+
+						CanvasItem *pi=b->get_parent_item();
+						if (!pi)
+							break;
+
+						float len=pi->get_global_transform().get_origin().distance_to(b->get_global_pos());
+						b=pi->cast_to<Node2D>();
+						if (!b)
+							break;
+
+						if (first) {
+
+							bone_orig_xform=b->get_global_transform();
+							first=false;
+						}
+
+						BoneIK bik;						
+						bik.node=b;
+						bik.len=len;
+						bik.orig_state=b->edit_get_state();
+
+						bone_ik_list.push_back(bik);
+
+						if (b->has_meta("_edit_ik_")) {
+
+							ik_found=bone_ik_list.size()>1;
+							break;
+						}
+
+						if (!pi->has_meta("_edit_bone_"))
+							break;
+
+					}
+
+					if (!ik_found)
+						bone_ik_list.clear();
+
+				}
+			}
+		}
+
 		CanvasItem *single_item = get_single_item();
 
 		if (single_item) {
@@ -797,7 +916,7 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 					}
 				}
 
-				if (drag!=DRAG_NONE) {
+				if (drag!=DRAG_NONE && (!Cbone || drag!=DRAG_ALL)) {
 					drag_from=transform.affine_inverse().xform(click);
 					se->undo_state=canvas_item->edit_get_state();
 					if (canvas_item->cast_to<Node2D>())
@@ -856,16 +975,30 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 			//no window.... ?
 			click-=current_window->get_scroll();
 		}*/
-		CanvasItem *c=_select_canvas_item_at_pos(click, scene,transform,Matrix32());
+		CanvasItem *c=NULL;
+
+		if (Cbone) {
+
+			Object* obj=ObjectDB::get_instance(Cbone->get().bone);
+			if (obj)
+				c=obj->cast_to<CanvasItem>();
+			if (c)
+				c=c->get_parent_item();
 
 
-		CanvasItem* cn = c;
+		}
+		if (!c) {
+			c =_select_canvas_item_at_pos(click, scene,transform,Matrix32());
 
-		while(cn) {
+
-			if (cn->has_meta("_edit_group_")) {
+			CanvasItem* cn = c;
-				c=cn;
+
+			while(cn) {
+				if (cn->has_meta("_edit_group_")) {
+					c=cn;
+				}
+				cn=cn->get_parent_item();
 			}
-			cn=cn->get_parent_item();
 		}
 
 		Node* n = c;
@@ -989,6 +1122,7 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 
 		List<Node*> &selection = editor_selection->get_selected_node_list();
 
+
 		for(List<Node*>::Element *E=selection.front();E;E=E->next()) {
 
 			CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
@@ -1000,9 +1134,14 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 			if (!se)
 				continue;
 
-			canvas_item->edit_set_state(se->undo_state); //reset state and reapply
+			bool dragging_bone = drag==DRAG_ALL && selection.size()==1 && bone_ik_list.size();
-			if (canvas_item->cast_to<Node2D>())
+
-				canvas_item->cast_to<Node2D>()->edit_set_pivot(se->undo_pivot);
+
+			if (!dragging_bone) {
+				canvas_item->edit_set_state(se->undo_state); //reset state and reapply
+				if (canvas_item->cast_to<Node2D>())
+					canvas_item->cast_to<Node2D>()->edit_set_pivot(se->undo_pivot);
+			}
 
 
 			Vector2 dfrom = drag_from;
@@ -1153,10 +1292,145 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
 			}
 
 
-			local_rect.pos=begin;
-			local_rect.size=end-begin;
-			canvas_item->edit_set_rect(local_rect);
 
+
+
+			if (!dragging_bone) {
+
+				local_rect.pos=begin;
+				local_rect.size=end-begin;
+				canvas_item->edit_set_rect(local_rect);
+
+			} else {
+				//ok, all that had to be done was done, now solve IK
+
+
+
+
+				Node2D *n2d = canvas_item->cast_to<Node2D>();
+				Matrix32 final_xform = bone_orig_xform;
+
+
+
+				if (n2d) {
+
+					float total_len = 0;
+					for (List<BoneIK>::Element *E=bone_ik_list.front();E;E=E->next()) {
+						if (E->prev())
+							total_len+=E->get().len;
+						E->get().pos = E->get().node->get_global_transform().get_origin();
+					}
+
+					{
+
+						final_xform.elements[2]+=dto-dfrom;//final_xform.affine_inverse().basis_xform_inv(drag_vector);
+						//n2d->set_global_transform(final_xform);
+
+					}
+
+
+					CanvasItem *last = bone_ik_list.back()->get().node;
+					if (!last)
+						break;
+
+					Vector2 root_pos = last->get_global_transform().get_origin();
+					Vector2 leaf_pos = final_xform.get_origin();
+
+					if ((leaf_pos.distance_to(root_pos)) > total_len) {
+						//oops dude you went too far
+						//print_line("TOO FAR!");
+						Vector2 rel = leaf_pos - root_pos;
+						rel = rel.normalized() * total_len;
+						leaf_pos=root_pos+rel;
+
+					}
+
+					bone_ik_list.front()->get().pos=leaf_pos;
+
+					//print_line("BONE IK LIST "+itos(bone_ik_list.size()));
+
+
+					if (bone_ik_list.size()>2) {
+						int solver_iterations=64;
+						float solver_k=0.3;
+
+						for(int i=0;i<solver_iterations;i++) {
+
+							for (List<BoneIK>::Element *E=bone_ik_list.front();E;E=E->next()) {
+
+
+
+								if (E==bone_ik_list.back()) {
+
+									break;
+								}
+
+								float len = E->next()->get().len;
+
+								if (E->next()==bone_ik_list.back()) {
+
+									//print_line("back");
+
+									Vector2 rel = E->get().pos - E->next()->get().pos;
+									//print_line("PREV "+E->get().pos);
+									Vector2 desired = E->next()->get().pos+rel.normalized()*len;
+									//print_line("DESIRED "+desired);
+									E->get().pos=E->get().pos.linear_interpolate(desired,solver_k);
+									//print_line("POST "+E->get().pos);
+
+
+								} else if (E==bone_ik_list.front()) {
+									//only adjust parent
+									//print_line("front");
+									Vector2 rel = E->next()->get().pos - E->get().pos;
+									//print_line("PREV "+E->next()->get().pos);
+									Vector2 desired = E->get().pos+rel.normalized()*len;
+									//print_line("DESIRED "+desired);
+									E->next()->get().pos=E->next()->get().pos.linear_interpolate(desired,solver_k);
+									//print_line("POST "+E->next()->get().pos);
+								} else {
+
+									Vector2 rel = E->next()->get().pos - E->get().pos;
+									Vector2 cen = (E->next()->get().pos + E->get().pos)*0.5;
+									rel=rel.linear_interpolate(rel.normalized()*len,solver_k);
+									rel*=0.5;
+									E->next()->get().pos=cen+rel;
+									E->get().pos=cen-rel;
+									//print_line("mid");
+
+								}
+							}
+						}
+					}
+				}
+
+				for (List<BoneIK>::Element *E=bone_ik_list.back();E;E=E->prev()) {
+
+					Node2D *n = E->get().node;
+
+					if (!E->prev()) {
+						//last goes to what it was
+						final_xform.set_origin(n->get_global_pos());
+						n->set_global_transform(final_xform);
+
+					} else {
+						Vector2 rel = (E->prev()->get().node->get_global_pos() - n->get_global_pos()).normalized();
+						Vector2 rel2 = (E->prev()->get().pos - E->get().pos).normalized();
+						float rot = rel.angle_to(rel2);
+						if (n->get_global_transform().basis_determinant()<0) {
+							//mirrored, rotate the other way
+							rot=-rot;
+						}
+
+						n->rotate(rot);
+					}
+
+				}
+
+
+
+				break;
+			}
 		}
 	}
 
@@ -1393,7 +1667,77 @@ void CanvasItemEditor::_viewport_draw() {
 
 	}
 
+	int bone_width = EditorSettings::get_singleton()->get("2d_editor/bone_width");
+	Color bone_color1 = EditorSettings::get_singleton()->get("2d_editor/bone_color1");
+	Color bone_color2 = EditorSettings::get_singleton()->get("2d_editor/bone_color2");
+	Color bone_ik_color = EditorSettings::get_singleton()->get("2d_editor/bone_ik_color");
+	Color bone_selected_color = EditorSettings::get_singleton()->get("2d_editor/bone_selected_color");
 
+	for(List<BoneList>::Element*E=bone_list.front();E;E=E->next()) {
+
+		E->get().from=Vector2();
+		E->get().to=Vector2();
+
+		Object *obj = ObjectDB::get_instance(E->get().bone);
+		if (!obj)
+			continue;
+
+		Node2D* n2d = obj->cast_to<Node2D>();
+		if (!n2d)
+			continue;
+
+		if (!n2d->get_parent())
+			continue;
+
+		CanvasItem *pi = n2d->get_parent_item();
+
+
+		Node2D* pn2d=n2d->get_parent()->cast_to<Node2D>();
+
+		if (!pn2d)
+			continue;
+
+		Vector2 from = transform.xform(pn2d->get_global_pos());
+		Vector2 to = transform.xform(n2d->get_global_pos());
+
+		E->get().from=from;
+		E->get().to=to;
+
+		Vector2 rel = to-from;
+		Vector2 relt = rel.tangent().normalized()*bone_width;
+
+
+
+		Vector<Vector2> bone_shape;
+		bone_shape.push_back(from);
+		bone_shape.push_back(from+rel*0.2+relt);
+		bone_shape.push_back(to);
+		bone_shape.push_back(from+rel*0.2-relt);
+		Vector<Color> colors;
+		if (pi->has_meta("_edit_ik_")) {
+
+			colors.push_back(bone_ik_color);
+			colors.push_back(bone_ik_color);
+			colors.push_back(bone_ik_color);
+			colors.push_back(bone_ik_color);
+		} else {
+			colors.push_back(bone_color1);
+			colors.push_back(bone_color2);
+			colors.push_back(bone_color1);
+			colors.push_back(bone_color2);
+		}
+
+
+		VisualServer::get_singleton()->canvas_item_add_primitive(ci,bone_shape,colors,Vector<Vector2>(),RID());
+
+		if (editor_selection->is_selected(pi)) {
+			for(int i=0;i<bone_shape.size();i++) {
+
+				VisualServer::get_singleton()->canvas_item_add_line(ci,bone_shape[i],bone_shape[(i+1)%bone_shape.size()],bone_selected_color,2);
+			}
+		}
+
+	}
 }
 
 void CanvasItemEditor::_notification(int p_what) {
@@ -1445,6 +1789,7 @@ void CanvasItemEditor::_notification(int p_what) {
 		unlock_button->set_icon(get_icon("Unlock","EditorIcons"));
 		group_button->set_icon(get_icon("Group","EditorIcons"));
 		ungroup_button->set_icon(get_icon("Ungroup","EditorIcons"));
+		key_insert_button->set_icon(get_icon("Key","EditorIcons"));
 
 	}
 
@@ -1509,6 +1854,13 @@ void CanvasItemEditor::_find_canvas_items_span(Node *p_node, Rect2& r_rect, cons
 			lock_list.push_back(lock);
 		}
 
+		if (c->has_meta("_edit_bone_")) {
+
+			BoneList bone;
+			bone.bone=c->get_instance_ID();
+			bone_list.push_back(bone);
+		}
+
 		r_rect.expand_to( xform.xform(rect.pos) );
 		r_rect.expand_to( xform.xform(rect.pos+Point2(rect.size.x,0)) );
 		r_rect.expand_to( xform.xform(rect.pos+Point2(0,rect.size.y)) );
@@ -1541,6 +1893,7 @@ void CanvasItemEditor::_update_scrollbars() {
 	Rect2 canvas_item_rect=Rect2(Point2(),screen_rect);
 
 	lock_list.clear();;
+	bone_list.clear();;
 
 	if (editor->get_edited_scene())
 		_find_canvas_items_span(editor->get_edited_scene(),canvas_item_rect,Matrix32());
@@ -1878,6 +2231,44 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 						editor->get_animation_editor()->insert_node_value_key(n2d,"transform/rot",Math::rad2deg(n2d->get_rot()),existing);
 					if (key_scale)
 						editor->get_animation_editor()->insert_node_value_key(n2d,"transform/scale",n2d->get_scale(),existing);
+
+
+					if (n2d->has_meta("_edit_bone_") && n2d->get_parent_item()) {
+						//look for an IK chain
+						List<Node2D*> ik_chain;
+
+						Node2D *n = n2d->get_parent_item()->cast_to<Node2D>();
+						bool has_chain=false;
+
+						while(n) {
+
+							ik_chain.push_back(n);
+							if (n->has_meta("_edit_ik_")) {
+								has_chain=true;
+								break;
+							}
+
+							if (!n->get_parent_item())
+								break;
+							n=n->get_parent_item()->cast_to<Node2D>();
+						}
+
+						if (has_chain && ik_chain.size()) {
+
+							for(List<Node2D*>::Element *F=ik_chain.front();F;F=F->next()) {
+
+								if (key_pos)
+									editor->get_animation_editor()->insert_node_value_key(F->get(),"transform/pos",F->get()->get_pos(),existing);
+								if (key_rot)
+									editor->get_animation_editor()->insert_node_value_key(F->get(),"transform/rot",Math::rad2deg(F->get()->get_rot()),existing);
+								if (key_scale)
+									editor->get_animation_editor()->insert_node_value_key(F->get(),"transform/scale",F->get()->get_scale(),existing);
+
+
+							}
+						}
+					}
+
 				} else if (canvas_item->cast_to<Control>()) {
 
 					Control *ctrl = canvas_item->cast_to<Control>();
@@ -1891,10 +2282,20 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			}
 
 		} break;
-		case ANIM_INSERT_POS:
+		case ANIM_INSERT_POS: {
-		case ANIM_INSERT_ROT:
+
-		case ANIM_INSERT_SCALE:
+			key_pos = key_loc_button->is_pressed();
-		case ANIM_INSERT_POS_ROT:
+		} break;
+		case ANIM_INSERT_ROT: {
+
+			key_pos = key_rot_button->is_pressed();
+		} break;
+		case ANIM_INSERT_SCALE: {
+
+			key_scale = key_scale_button->is_pressed();
+		} break;
+			/*
+		case ANIM_INSERT_POS_ROT
 		case ANIM_INSERT_POS_SCALE:
 		case ANIM_INSERT_ROT_SCALE:
 		case ANIM_INSERT_POS_ROT_SCALE: {
@@ -1917,7 +2318,7 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 				animation_menu->get_popup()->set_item_checked(idx,i==p_op);
 			}
 
-		} break;
+		} break;*/
 		case ANIM_COPY_POSE: {
 
 			pose_clipboard.clear();;
@@ -2061,6 +2462,85 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			}
 
 		} break;
+		case SKELETON_MAKE_BONES: {
+
+
+
+			Map<Node*,Object*> &selection = editor_selection->get_selection();
+
+			for(Map<Node*,Object*>::Element *E=selection.front();E;E=E->next()) {
+
+				Node2D *n2d = E->key()->cast_to<Node2D>();
+				if (!n2d)
+					continue;
+				if (!n2d->is_visible())
+					continue;
+				if (!n2d->get_parent_item())
+					continue;
+
+				n2d->set_meta("_edit_bone_",true);
+
+			}
+			viewport->update();
+
+		} break;
+		case SKELETON_CLEAR_BONES: {
+
+			Map<Node*,Object*> &selection = editor_selection->get_selection();
+
+			for(Map<Node*,Object*>::Element *E=selection.front();E;E=E->next()) {
+
+				Node2D *n2d = E->key()->cast_to<Node2D>();
+				if (!n2d)
+					continue;
+				if (!n2d->is_visible())
+					continue;
+
+				n2d->set_meta("_edit_bone_",Variant());
+
+			}
+			viewport->update();
+
+		} break;
+		case SKELETON_SET_IK_CHAIN: {
+
+			List<Node*> &selection = editor_selection->get_selected_node_list();
+
+			for(List<Node*>::Element *E=selection.front();E;E=E->next()) {
+
+				CanvasItem *canvas_item = E->get()->cast_to<CanvasItem>();
+				if (!canvas_item)
+					continue;
+				if (!canvas_item->is_visible())
+					continue;
+
+
+				canvas_item->set_meta("_edit_ik_",true);
+
+			}
+
+			viewport->update();
+
+		} break;
+		case SKELETON_CLEAR_IK_CHAIN: {
+
+			Map<Node*,Object*> &selection = editor_selection->get_selection();
+
+			for(Map<Node*,Object*>::Element *E=selection.front();E;E=E->next()) {
+
+				CanvasItem *n2d = E->key()->cast_to<CanvasItem>();
+				if (!n2d)
+					continue;
+				if (!n2d->is_visible())
+					continue;
+
+				n2d->set_meta("_edit_ik_",Variant());
+
+			}
+			viewport->update();
+
+		} break;
+
 	}
 }
 #if 0
@@ -2296,6 +2776,18 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
 	p->add_check_item("Use Pixel Snap",SNAP_USE_PIXEL);
 	p->add_separator();
 	p->add_item("Expand to Parent",EXPAND_TO_PARENT,KEY_MASK_CMD|KEY_P);
+	p->add_separator();
+	p->add_submenu_item("Skeleton..","skeleton");
+	PopupMenu *p2 = memnew(PopupMenu);
+	p->add_child(p2);
+	p2->set_name("skeleton");
+	p2->add_item("Make Bones",SKELETON_MAKE_BONES,KEY_MASK_CMD|KEY_SHIFT|KEY_B);
+	p2->add_item("Clear Bones",SKELETON_CLEAR_BONES);
+	p2->add_separator();
+	p2->add_item("Make IK Chain",SKELETON_SET_IK_CHAIN);
+	p2->add_item("Clear IK Chain",SKELETON_CLEAR_IK_CHAIN);
+	p2->connect("item_pressed", this,"_popup_callback");
+
 
 	/*
 	p->add_item("Align Horizontal",ALIGN_HORIZONTAL);
@@ -2314,12 +2806,50 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
 	p->add_item("Zoom Out",ZOOM_OUT);
 	p->add_item("Zoom Reset",ZOOM_RESET);
 	p->add_item("Zoom Set..",ZOOM_SET);
+	p->add_separator();
 	p->add_item("Center Selection", VIEW_CENTER_TO_SELECTION, KEY_F);
 	p->add_item("Frame Selection", VIEW_FRAME_TO_SELECTION, KEY_MASK_CMD|KEY_F);
 
+
+
+	animation_hb = memnew( HBoxContainer );
+	hb->add_child(animation_hb);
+	animation_hb->add_child( memnew( VSeparator ));
+	animation_hb->hide();
+
+	key_loc_button = memnew( Button("loc"));
+	key_loc_button->set_toggle_mode(true);
+	key_loc_button->set_pressed(true);
+	key_loc_button->set_focus_mode(FOCUS_NONE);
+	key_loc_button->add_color_override("font_color",Color(1,0.6,0.6));
+	key_loc_button->add_color_override("font_color_pressed",Color(0.6,1,0.6));
+	key_loc_button->connect("pressed",this,"_popup_callback",varray(ANIM_INSERT_POS));
+	animation_hb->add_child(key_loc_button);
+	key_rot_button = memnew( Button("rot"));
+	key_rot_button->set_toggle_mode(true);
+	key_rot_button->set_pressed(true);
+	key_rot_button->set_focus_mode(FOCUS_NONE);
+	key_rot_button->add_color_override("font_color",Color(1,0.6,0.6));
+	key_rot_button->add_color_override("font_color_pressed",Color(0.6,1,0.6));
+	key_rot_button->connect("pressed",this,"_popup_callback",varray(ANIM_INSERT_ROT));
+	animation_hb->add_child(key_rot_button);
+	key_scale_button = memnew( Button("scl"));
+	key_scale_button->set_toggle_mode(true);
+	key_scale_button->set_focus_mode(FOCUS_NONE);
+	key_scale_button->add_color_override("font_color",Color(1,0.6,0.6));
+	key_scale_button->add_color_override("font_color_pressed",Color(0.6,1,0.6));
+	key_scale_button->connect("pressed",this,"_popup_callback",varray(ANIM_INSERT_SCALE));
+	animation_hb->add_child(key_scale_button);
+	key_insert_button = memnew( Button );
+	key_insert_button->set_focus_mode(FOCUS_NONE);
+	key_insert_button->connect("pressed",this,"_popup_callback",varray(ANIM_INSERT_KEY));
+	key_insert_button->set_tooltip("Insert Keys (Insert)");
+
+	animation_hb->add_child(key_insert_button);
+
 	animation_menu = memnew( MenuButton );
 	animation_menu->set_text("Animation");
-	hb->add_child(animation_menu);
+	animation_hb->add_child(animation_menu);
 	animation_menu->get_popup()->connect("item_pressed", this,"_popup_callback");
 
 	p = animation_menu->get_popup();
@@ -2327,22 +2857,10 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
 	p->add_item("Insert Key",ANIM_INSERT_KEY,KEY_INSERT);
 	p->add_item("Insert Key (Existing Tracks)",ANIM_INSERT_KEY_EXISTING,KEY_MASK_CMD+KEY_INSERT);
 	p->add_separator();
-	p->add_check_item("Pos",ANIM_INSERT_POS);
-	p->add_check_item("Rot",ANIM_INSERT_ROT);
-	p->add_check_item("Scale",ANIM_INSERT_SCALE);
-	p->add_check_item("Pos+Rot",ANIM_INSERT_POS_ROT);
-	p->set_item_checked(p->get_item_index(ANIM_INSERT_POS_ROT),true);
-	p->add_check_item("Pos+Scale",ANIM_INSERT_POS_SCALE);
-	p->add_check_item("Rot+Scale",ANIM_INSERT_ROT_SCALE);
-	p->add_check_item("Loc+Rot+Scale",ANIM_INSERT_POS_ROT_SCALE);
-	p->add_separator();
 	p->add_item("Copy Pose",ANIM_COPY_POSE);
 	p->add_item("Paste Pose",ANIM_PASTE_POSE);
 	p->add_item("Clear Pose",ANIM_CLEAR_POSE,KEY_MASK_ALT|KEY_K);
 
-	animation_menu->hide();
-
-
 	value_dialog = memnew( AcceptDialog );
 	value_dialog->set_title("Set a Value");
 	value_dialog->get_ok()->set_text("Close");

tools/editor/plugins/canvas_item_editor_plugin.h

@@ -95,15 +95,15 @@ class CanvasItemEditor : public VBoxContainer {
 		ANIM_INSERT_POS,
 		ANIM_INSERT_ROT,
 		ANIM_INSERT_SCALE,
-		ANIM_INSERT_POS_ROT,
-		ANIM_INSERT_POS_SCALE,
-		ANIM_INSERT_ROT_SCALE,
-		ANIM_INSERT_POS_ROT_SCALE,
 		ANIM_COPY_POSE,
 		ANIM_PASTE_POSE,
 		ANIM_CLEAR_POSE,
 		VIEW_CENTER_TO_SELECTION,
 		VIEW_FRAME_TO_SELECTION,
+		SKELETON_MAKE_BONES,
+		SKELETON_CLEAR_BONES,
+		SKELETON_SET_IK_CHAIN,
+		SKELETON_CLEAR_IK_CHAIN
 
 	};
 
@@ -165,6 +165,26 @@ class CanvasItemEditor : public VBoxContainer {
 
 	List<LockList> lock_list;
 
+	struct BoneList {
+
+		Vector2 from;
+		Vector2 to;
+		ObjectID bone;
+	};
+
+	List<BoneList> bone_list;
+	Matrix32 bone_orig_xform;
+
+	struct BoneIK {
+
+		Variant orig_state;
+		Vector2 pos;
+		float len;
+		Node2D *node;
+	};
+
+	List<BoneIK> bone_ik_list;
+
 	struct PoseClipboard {
 
 		Vector2 pos;
@@ -189,7 +209,14 @@ class CanvasItemEditor : public VBoxContainer {
 
 	MenuButton *edit_menu;
 	MenuButton *view_menu;
+	HBoxContainer *animation_hb;
 	MenuButton *animation_menu;
+
+	Button *key_loc_button;
+	Button *key_rot_button;
+	Button *key_scale_button;
+	Button *key_insert_button;
+
 	//PopupMenu *popup;
 	DragType drag;
 	Point2 drag_from;

tools/editor/plugins/path_2d_editor_plugin.cpp

@@ -31,7 +31,7 @@
 #include "canvas_item_editor_plugin.h"
 #include "os/file_access.h"
 #include "tools/editor/editor_settings.h"
-
+#include "os/keyboard.h"
 void Path2DEditor::_notification(int p_what) {
 
 	switch(p_what) {
@@ -103,7 +103,7 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 
 			// Test move point!!
 
-			if ( mb.pressed && mb.button_index==BUTTON_LEFT ) {
+			if ( mb.pressed && action==ACTION_NONE ) {
 
 				Ref<Curve2D> curve = node->get_curve();
 
@@ -115,21 +115,30 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 						Point2 p = xform.xform( curve->get_point_pos(i) );
 						if (gpoint.distance_to(p) < grab_treshold ) {
 
-							if (!mb.mod.shift) {
+							if (mb.button_index==BUTTON_LEFT && !mb.mod.shift && mode==MODE_EDIT) {
 
 								action=ACTION_MOVING_POINT;
 								action_point=i;
 								moving_from=curve->get_point_pos(i);
 								moving_screen_from=gpoint;
 								return true;
+							} else if  ((mb.button_index==BUTTON_RIGHT && mode==MODE_EDIT) || (mb.button_index==BUTTON_LEFT && mode==MODE_DELETE)) {
+
+								undo_redo->create_action("Remove Point from Curve");
+								undo_redo->add_do_method(curve.ptr(),"remove_point",i);
+								undo_redo->add_undo_method(curve.ptr(),"add_point",curve->get_point_pos(i),curve->get_point_in(i),curve->get_point_out(i),i);
+								undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
+								undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
+								undo_redo->commit_action();
+								return true;
 							} else
 								pointunder=true;
 						}
 					}
 
-					if (i<(curve->get_point_count()-1)) {
+					if (mb.button_index==BUTTON_LEFT && i<(curve->get_point_count()-1)) {
 						Point2 p = xform.xform( curve->get_point_pos(i)+curve->get_point_out(i) );
-						if (gpoint.distance_to(p) < grab_treshold ) {
+						if (gpoint.distance_to(p) < grab_treshold && (mode == MODE_EDIT || mode==MODE_EDIT_CURVE) ) {
 
 							action=ACTION_MOVING_OUT;
 							action_point=i;
@@ -139,9 +148,9 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 						}
 					}
 
-					if (i>0) {
+					if (mb.button_index==BUTTON_LEFT && i>0) {
 						Point2 p = xform.xform( curve->get_point_pos(i)+curve->get_point_in(i) );
-						if (gpoint.distance_to(p) < grab_treshold ) {
+						if (gpoint.distance_to(p) < grab_treshold && (mode == MODE_EDIT || mode==MODE_EDIT_CURVE)) {
 
 							action=ACTION_MOVING_IN;
 							action_point=i;
@@ -160,15 +169,15 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 
 			// Test add point in empty space!
 
-			if ( mb.pressed && mb.mod.control && mb.button_index==BUTTON_LEFT ) {
+			if ( mb.pressed && mb.button_index==BUTTON_LEFT && ((mb.mod.command && mode == MODE_EDIT) || mode == MODE_CREATE)) {
 
 				Ref<Curve2D> curve = node->get_curve();
 
 				undo_redo->create_action("Add Point to Curve");
 				undo_redo->add_do_method(curve.ptr(),"add_point",cpoint);
 				undo_redo->add_undo_method(curve.ptr(),"remove_point",curve->get_point_count());
-				undo_redo->add_do_method(canvas_item_editor,"update");
+				undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-				undo_redo->add_undo_method(canvas_item_editor,"update");
+				undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 				undo_redo->commit_action();
 
 				action=ACTION_MOVING_POINT;
@@ -195,8 +204,8 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 						undo_redo->create_action("Move Point in Curve");
 						undo_redo->add_do_method(curve.ptr(),"set_point_pos",action_point,cpoint);
 						undo_redo->add_undo_method(curve.ptr(),"set_point_pos",action_point,moving_from);
-						undo_redo->add_do_method(canvas_item_editor,"update");
+						undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-						undo_redo->add_undo_method(canvas_item_editor,"update");
+						undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 						undo_redo->commit_action();
 
 					} break;
@@ -205,8 +214,8 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 						undo_redo->create_action("Move In-Control in Curve");
 						undo_redo->add_do_method(curve.ptr(),"set_point_in",action_point,new_pos);
 						undo_redo->add_undo_method(curve.ptr(),"set_point_in",action_point,moving_from);
-						undo_redo->add_do_method(canvas_item_editor,"update");
+						undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-						undo_redo->add_undo_method(canvas_item_editor,"update");
+						undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 						undo_redo->commit_action();
 
 					} break;
@@ -215,8 +224,8 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 						undo_redo->create_action("Move Out-Control in Curve");
 						undo_redo->add_do_method(curve.ptr(),"set_point_out",action_point,new_pos);
 						undo_redo->add_undo_method(curve.ptr(),"set_point_out",action_point,moving_from);
-						undo_redo->add_do_method(canvas_item_editor,"update");
+						undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-						undo_redo->add_undo_method(canvas_item_editor,"update");
+						undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 						undo_redo->commit_action();
 
 					} break;
@@ -286,8 +295,8 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 									undo_redo->add_undo_method(node,"set_polygon",poly);
 									poly.push_back(cpoint);
 									undo_redo->add_do_method(node,"set_polygon",poly);
-									undo_redo->add_do_method(canvas_item_editor,"update");
+									undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-									undo_redo->add_undo_method(canvas_item_editor,"update");
+									undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 									undo_redo->commit_action();
 									return true;
 								}
@@ -365,8 +374,8 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 								undo_redo->create_action("Edit Poly");
 								undo_redo->add_do_method(node,"set_polygon",poly);
 								undo_redo->add_undo_method(node,"set_polygon",pre_move_edit);
-								undo_redo->add_do_method(canvas_item_editor,"update");
+								undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-								undo_redo->add_undo_method(canvas_item_editor,"update");
+								undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 								undo_redo->commit_action();
 
 								edited_point=-1;
@@ -400,8 +409,8 @@ bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
 							undo_redo->add_undo_method(node,"set_polygon",poly);
 							poly.remove(closest_idx);
 							undo_redo->add_do_method(node,"set_polygon",poly);
-							undo_redo->add_do_method(canvas_item_editor,"update");
+							undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
-							undo_redo->add_undo_method(canvas_item_editor,"update");
+							undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
 							undo_redo->commit_action();
 							return true;
 						}
@@ -554,6 +563,60 @@ void Path2DEditor::_bind_methods() {
 	//ObjectTypeDB::bind_method(_MD("_menu_option"),&Path2DEditor::_menu_option);
 	ObjectTypeDB::bind_method(_MD("_canvas_draw"),&Path2DEditor::_canvas_draw);
 	ObjectTypeDB::bind_method(_MD("_node_visibility_changed"),&Path2DEditor::_node_visibility_changed);
+	ObjectTypeDB::bind_method(_MD("_mode_selected"),&Path2DEditor::_mode_selected);
+}
+
+void Path2DEditor::_mode_selected(int p_mode) {
+
+	if (p_mode==MODE_CREATE) {
+
+		curve_create->set_pressed(true);
+		curve_edit->set_pressed(false);
+		curve_edit_curve->set_pressed(false);
+		curve_del->set_pressed(false);
+	} else if (p_mode==MODE_EDIT) {
+
+		curve_create->set_pressed(false);
+		curve_edit->set_pressed(true);
+		curve_edit_curve->set_pressed(false);
+		curve_del->set_pressed(false);
+	} else if (p_mode==MODE_EDIT_CURVE) {
+
+		curve_create->set_pressed(false);
+		curve_edit->set_pressed(false);
+		curve_edit_curve->set_pressed(true);
+		curve_del->set_pressed(false);
+	} else if (p_mode==MODE_DELETE) {
+
+		curve_create->set_pressed(false);
+		curve_edit->set_pressed(false);
+		curve_edit_curve->set_pressed(false);
+		curve_del->set_pressed(true);
+	} else if (p_mode==ACTION_CLOSE) {
+
+		//?
+
+		if (!node->get_curve().is_valid())
+			return ;
+		if (node->get_curve()->get_point_count()<3)
+			return;
+
+		Vector2 begin = node->get_curve()->get_point_pos(0);
+		Vector2 end = node->get_curve()->get_point_pos( node->get_curve()->get_point_count() -1 );
+		if (begin.distance_to(end)<CMP_EPSILON)
+			return;
+
+		undo_redo->create_action("Remove Point from Curve");
+		undo_redo->add_do_method(node->get_curve().ptr(),"add_point",begin);
+		undo_redo->add_undo_method(node->get_curve().ptr(),"remove_point",node->get_curve()->get_point_count());
+		undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
+		undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
+		undo_redo->commit_action();
+		return;
+	}
+
+	mode=Mode(p_mode);
+
 }
 
 Path2DEditor::Path2DEditor(EditorNode *p_editor) {
@@ -573,6 +636,50 @@ Path2DEditor::Path2DEditor(EditorNode *p_editor) {
 	options->get_popup()->connect("item_pressed", this,"_menu_option");
 #endif
 
+	base_hb = memnew( HBoxContainer );
+	CanvasItemEditor::get_singleton()->add_control_to_menu_panel(base_hb);
+
+	sep = memnew( VSeparator);
+	base_hb->add_child(sep);
+	curve_edit = memnew( ToolButton );
+	curve_edit->set_icon(CanvasItemEditor::get_singleton()->get_icon("CurveEdit","EditorIcons"));
+	curve_edit->set_toggle_mode(true);
+	curve_edit->set_focus_mode(Control::FOCUS_NONE);
+	curve_edit->set_tooltip("Select Points\nShift+Drag: Select Control Points\n"+keycode_get_string(KEY_MASK_CMD)+"Click: Add Point\nRight Click: Delete Point.");
+	curve_edit->connect("pressed",this,"_mode_selected",varray(MODE_EDIT));
+	base_hb->add_child(curve_edit);
+	curve_edit_curve = memnew( ToolButton );
+	curve_edit_curve->set_icon(CanvasItemEditor::get_singleton()->get_icon("CurveCurve","EditorIcons"));
+	curve_edit_curve->set_toggle_mode(true);
+	curve_edit_curve->set_focus_mode(Control::FOCUS_NONE);
+	curve_edit_curve->set_tooltip("Select Control Points (Shift+Drag)");
+	curve_edit_curve->connect("pressed",this,"_mode_selected",varray(MODE_EDIT_CURVE));
+	base_hb->add_child(curve_edit_curve);
+	curve_create = memnew( ToolButton );
+	curve_create->set_icon(CanvasItemEditor::get_singleton()->get_icon("CurveCreate","EditorIcons"));
+	curve_create->set_toggle_mode(true);
+	curve_create->set_focus_mode(Control::FOCUS_NONE);
+	curve_create->set_tooltip("Add Point (in empty space)\nSplit Segment (in curve).");
+	curve_create->connect("pressed",this,"_mode_selected",varray(MODE_CREATE));
+	base_hb->add_child(curve_create);
+	curve_del = memnew( ToolButton );
+	curve_del->set_icon(CanvasItemEditor::get_singleton()->get_icon("CurveDelete","EditorIcons"));
+	curve_del->set_toggle_mode(true);
+	curve_del->set_focus_mode(Control::FOCUS_NONE);
+	curve_del->set_tooltip("Delete Point.");
+	curve_del->connect("pressed",this,"_mode_selected",varray(MODE_DELETE));
+	base_hb->add_child(curve_del);
+	curve_close = memnew( ToolButton );
+	curve_close->set_icon(CanvasItemEditor::get_singleton()->get_icon("CurveClose","EditorIcons"));
+	curve_close->set_focus_mode(Control::FOCUS_NONE);
+	curve_close->set_tooltip("Close Curve");
+	curve_close->connect("pressed",this,"_mode_selected",varray(ACTION_CLOSE));
+	base_hb->add_child(curve_close);
+	base_hb->hide();
+
+
+
+	curve_edit->set_pressed(true);
 
 
 }
@@ -592,9 +699,12 @@ void Path2DEditorPlugin::make_visible(bool p_visible) {
 
 	if (p_visible) {
 		path2d_editor->show();
+		path2d_editor->base_hb->show();
+
 	} else {
 
 		path2d_editor->hide();
+		path2d_editor->base_hb->hide();
 		path2d_editor->edit(NULL);
 	}
 
@@ -605,8 +715,9 @@ Path2DEditorPlugin::Path2DEditorPlugin(EditorNode *p_node) {
 	editor=p_node;
 	path2d_editor = memnew( Path2DEditor(p_node) );
 	CanvasItemEditor::get_singleton()->add_control_to_menu_panel(path2d_editor);
-
 	path2d_editor->hide();
+
+
 }
 
 

tools/editor/plugins/path_2d_editor_plugin.h

@@ -51,6 +51,24 @@ class Path2DEditor : public HBoxContainer {
 	Panel *panel;
 	Path2D *node;
 
+	HBoxContainer *base_hb;
+	Separator *sep;
+
+	enum Mode {
+		MODE_CREATE,
+		MODE_EDIT,
+		MODE_EDIT_CURVE,
+		MODE_DELETE,
+		ACTION_CLOSE
+	};
+
+	Mode mode;
+	ToolButton *curve_create;
+	ToolButton *curve_edit;
+	ToolButton *curve_edit_curve;
+	ToolButton *curve_del;
+	ToolButton *curve_close;
+
 	enum Action {
 
 		ACTION_NONE,
@@ -65,10 +83,11 @@ class Path2DEditor : public HBoxContainer {
 	Point2 moving_from;
 	Point2 moving_screen_from;
 
+	void _mode_selected(int p_mode);
 
 	void _canvas_draw();
 	void _node_visibility_changed();
-
+friend class Path2DEditorPlugin;
 protected:
 	void _notification(int p_what);
 	void _node_removed(Node *p_node);

tools/editor/plugins/path_editor_plugin.cpp

@@ -564,12 +564,12 @@ PathEditorPlugin::PathEditorPlugin(EditorNode *p_node) {
 	curve_del->set_focus_mode(Control::FOCUS_NONE);
 	curve_del->set_tooltip("Delete Point.");
 	SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_del);
-    curve_close = memnew( ToolButton );
+	curve_close = memnew( ToolButton );
 	curve_close->set_icon(SpatialEditor::get_singleton()->get_icon("CurveClose","EditorIcons"));
 	curve_close->hide();
-    curve_close->set_focus_mode(Control::FOCUS_NONE);
+	curve_close->set_focus_mode(Control::FOCUS_NONE);
-    curve_close->set_tooltip("Close Curve");
+	curve_close->set_tooltip("Close Curve");
-    SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_close);
+	SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_close);
 
 
 

tools/editor/plugins/path_editor_plugin.h

@@ -26,74 +26,74 @@
 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
-#ifndef PATH_EDITOR_PLUGIN_H
+#ifndef PATH_EDITOR_PLUGIN_H
-#define PATH_EDITOR_PLUGIN_H
+#define PATH_EDITOR_PLUGIN_H
-
+
-
+
-#include "tools/editor/spatial_editor_gizmos.h"
+#include "tools/editor/spatial_editor_gizmos.h"
-#include "scene/3d/path.h"
+#include "scene/3d/path.h"
-class PathSpatialGizmo  : public SpatialGizmoTool {
+class PathSpatialGizmo  : public SpatialGizmoTool {
-
+
-	OBJ_TYPE(PathSpatialGizmo,SpatialGizmoTool);
+	OBJ_TYPE(PathSpatialGizmo,SpatialGizmoTool);
-
+
-	Path* path;
+	Path* path;
-	mutable Vector3 original;
+	mutable Vector3 original;
-
+
-public:
+public:
-
+
-	virtual String get_handle_name(int p_idx) const;
+	virtual String get_handle_name(int p_idx) const;
-	virtual Variant get_handle_value(int p_idx) const;
+	virtual Variant get_handle_value(int p_idx) const;
-	virtual void set_handle(int p_idx,Camera *p_camera, const Point2& p_point);
+	virtual void set_handle(int p_idx,Camera *p_camera, const Point2& p_point);
-	virtual void commit_handle(int p_idx,const Variant& p_restore,bool p_cancel=false);
+	virtual void commit_handle(int p_idx,const Variant& p_restore,bool p_cancel=false);
-
+
-	void redraw();
+	void redraw();
-	PathSpatialGizmo(Path* p_path=NULL);
+	PathSpatialGizmo(Path* p_path=NULL);
-
+
-};
+};
-
+
-class PathEditorPlugin : public EditorPlugin {
+class PathEditorPlugin : public EditorPlugin {
-
+
-	OBJ_TYPE( PathEditorPlugin, EditorPlugin );
+	OBJ_TYPE( PathEditorPlugin, EditorPlugin );
-
+
-
+
-	Separator *sep;
+	Separator *sep;
-	ToolButton *curve_create;
+	ToolButton *curve_create;
-	ToolButton *curve_edit;
+	ToolButton *curve_edit;
-	ToolButton *curve_del;
+	ToolButton *curve_del;
-    ToolButton *curve_close;
+	ToolButton *curve_close;
-
+
-	EditorNode *editor;
+	EditorNode *editor;
-
+
-
+
-	Path *path;
+	Path *path;
-
+
-	void _mode_changed(int p_idx);
+	void _mode_changed(int p_idx);
-    void _close_curve();
+    void _close_curve();
-protected:
+protected:
-	void _notification(int p_what);
+	void _notification(int p_what);
-	static void _bind_methods();
+	static void _bind_methods();
-
+
-public:
+public:
-
+
-	Path *get_edited_path() { return path; }
+	Path *get_edited_path() { return path; }
-
+
-	static PathEditorPlugin* singleton;
+	static PathEditorPlugin* singleton;
-	Ref<FixedMaterial> path_material;
+	Ref<FixedMaterial> path_material;
-	Ref<FixedMaterial> path_thin_material;
+	Ref<FixedMaterial> path_thin_material;
-	virtual bool forward_spatial_input_event(Camera* p_camera,const InputEvent& p_event);
+	virtual bool forward_spatial_input_event(Camera* p_camera,const InputEvent& p_event);
-
+
-//	virtual bool forward_input_event(const InputEvent& p_event) { return collision_polygon_editor->forward_input_event(p_event); }
+//	virtual bool forward_input_event(const InputEvent& p_event) { return collision_polygon_editor->forward_input_event(p_event); }
-	virtual bool create_spatial_gizmo(Spatial* p_spatial);
+	virtual bool create_spatial_gizmo(Spatial* p_spatial);
-	virtual String get_name() const { return "Path"; }
+	virtual String get_name() const { return "Path"; }
-	bool has_main_screen() const { return false; }
+	bool has_main_screen() const { return false; }
-	virtual void edit(Object *p_node);
+	virtual void edit(Object *p_node);
-	virtual bool handles(Object *p_node) const;
+	virtual bool handles(Object *p_node) const;
-	virtual void make_visible(bool p_visible);
+	virtual void make_visible(bool p_visible);
-
+
-	PathEditorPlugin(EditorNode *p_node);
+	PathEditorPlugin(EditorNode *p_node);
-	~PathEditorPlugin();
+	~PathEditorPlugin();
-
+
-};
+};
-
+
-
+
-#endif // PATH_EDITOR_PLUGIN_H
+#endif // PATH_EDITOR_PLUGIN_H