Polygon2D

-=-=-=-=-

Another gift for those who make 2D games:
-Edit polygons, concave or convex, color them, texture them and uv-map them
-Corresponding editor
-Can have a custom pivot, so they are compatible with bones and IK

core/variant_op.cpp

@@ -3354,7 +3354,59 @@ void Variant::interpolate(const Variant& a, const Variant& b, float c,Variant &r
 		case INT_ARRAY:{   r_dst=a;    } return;
 		case REAL_ARRAY:{   r_dst=a;    } return;
 		case STRING_ARRAY:{   r_dst=a;    } return;
-		case VECTOR3_ARRAY:{  r_dst=a;     } return;
+		case VECTOR2_ARRAY:{
+			const DVector<Vector2> *arr_a=reinterpret_cast<const DVector<Vector2>* >(a._data._mem);
+			const DVector<Vector2> *arr_b=reinterpret_cast<const DVector<Vector2>* >(b._data._mem);
+			int sz = arr_a->size();
+			if (sz==0 || arr_b->size()!=sz) {
+
+				r_dst=a;
+			} else {
+
+				DVector<Vector2> v;
+				v.resize(sz);
+				{
+					DVector<Vector2>::Write vw=v.write();
+					DVector<Vector2>::Read ar=arr_a->read();
+					DVector<Vector2>::Read br=arr_b->read();
+
+					for(int i=0;i<sz;i++) {
+						vw[i]=ar[i].linear_interpolate(br[i],c);
+					}
+				}
+				r_dst=v;
+
+			}
+
+
+		} return;
+		case VECTOR3_ARRAY:{
+
+
+			const DVector<Vector3> *arr_a=reinterpret_cast<const DVector<Vector3>* >(a._data._mem);
+			const DVector<Vector3> *arr_b=reinterpret_cast<const DVector<Vector3>* >(b._data._mem);
+			int sz = arr_a->size();
+			if (sz==0 || arr_b->size()!=sz) {
+
+				r_dst=a;
+			} else {
+
+				DVector<Vector3> v;
+				v.resize(sz);
+				{
+					DVector<Vector3>::Write vw=v.write();
+					DVector<Vector3>::Read ar=arr_a->read();
+					DVector<Vector3>::Read br=arr_b->read();
+
+					for(int i=0;i<sz;i++) {
+						vw[i]=ar[i].linear_interpolate(br[i],c);
+					}
+				}
+				r_dst=v;
+
+			}
+
+		} return;
 		case COLOR_ARRAY:{  r_dst=a;     } return;
 		default: {
 

scene/2d/path_texture.cpp

@@ -0,0 +1,64 @@
+#include "path_texture.h"
+
+
+void PathTexture::set_begin_texture(const Ref<Texture>& p_texture) {
+
+	begin=p_texture;
+	update();
+}
+
+Ref<Texture> PathTexture::get_begin_texture() const{
+
+	return begin;
+}
+
+void PathTexture::set_repeat_texture(const Ref<Texture>& p_texture){
+
+	repeat=p_texture;
+	update();
+
+}
+Ref<Texture> PathTexture::get_repeat_texture() const{
+
+	return repeat;
+}
+
+void PathTexture::set_end_texture(const Ref<Texture>& p_texture){
+
+	end=p_texture;
+	update();
+}
+Ref<Texture> PathTexture::get_end_texture() const{
+
+	return end;
+}
+
+void PathTexture::set_subdivisions(int p_amount){
+
+	ERR_FAIL_INDEX(p_amount,32);
+	subdivs=p_amount;
+	update();
+
+}
+
+int PathTexture::get_subdivisions() const{
+
+	return subdivs;
+}
+
+void PathTexture::set_overlap(int p_amount){
+
+	overlap=p_amount;
+	update();
+}
+int PathTexture::get_overlap() const{
+
+	return overlap;
+}
+
+
+PathTexture::PathTexture() {
+
+	overlap=0;
+	subdivs=1;
+}

scene/2d/path_texture.h

@@ -0,0 +1,34 @@
+#ifndef PATH_TEXTURE_H
+#define PATH_TEXTURE_H
+
+#include "scene/2d/node_2d.h"
+
+class PathTexture : public Node2D {
+	OBJ_TYPE( PathTexture, Node2D );
+
+	Ref<Texture> begin;
+	Ref<Texture> repeat;
+	Ref<Texture> end;
+	int subdivs;
+	bool overlap;
+public:
+
+	void set_begin_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_begin_texture() const;
+
+	void set_repeat_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_repeat_texture() const;
+
+	void set_end_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_end_texture() const;
+
+	void set_subdivisions(int p_amount);
+	int get_subdivisions() const;
+
+	void set_overlap(int p_amount);
+	int get_overlap() const;
+
+	PathTexture();
+};
+
+#endif // PATH_TEXTURE_H

scene/2d/polygon_2d.cpp

@@ -0,0 +1,363 @@
+#include "polygon_2d.h"
+
+Rect2 Polygon2D::get_item_rect() const {
+
+
+	if (rect_cache_dirty){
+		int l =polygon.size();
+		DVector<Vector2>::Read r = polygon.read();
+		item_rect=Rect2();
+		for(int i=0;i<l;i++) {
+			Vector2 pos = r[i] + offset;
+			if (i==0)
+				item_rect.pos=pos;
+			else
+				item_rect.expand_to(pos);
+		}
+		item_rect=item_rect.grow(20);
+		rect_cache_dirty=false;
+	}
+
+
+	return item_rect;
+
+
+}
+
+void Polygon2D::edit_set_pivot(const Point2& p_pivot) {
+
+	set_offset(p_pivot);
+}
+
+Point2 Polygon2D::edit_get_pivot() const {
+
+	return get_offset();
+}
+bool Polygon2D::edit_has_pivot() const {
+
+	return true;
+}
+
+void Polygon2D::_notification(int p_what) {
+
+
+	switch(p_what) {
+
+		case NOTIFICATION_DRAW: {
+
+			if (polygon.size()<3)
+				return;
+
+			Vector<Vector2> points;
+			Vector<Vector2> uvs;
+
+			points.resize(polygon.size());
+
+			int len = points.size();
+			{
+
+				DVector<Vector2>::Read polyr =polygon.read();
+				for(int i=0;i<len;i++) {
+					points[i]=polyr[i]+offset;
+				}
+			}
+
+			if (invert) {
+
+				Rect2 bounds;
+				int highest_idx=-1;
+				float highest_y=-1e20;
+				float sum=0;
+
+				for(int i=0;i<len;i++) {
+					if (i==0)
+						bounds.pos=points[i];
+					else
+						bounds.expand_to(points[i]);
+					if (points[i].y>highest_y) {
+						highest_idx=i;
+						highest_y=points[i].y;
+					}
+					int ni=(i+1)%len;
+					sum+=(points[ni].x-points[i].x)*(points[ni].y+points[i].y);
+				}
+
+				bounds=bounds.grow(invert_border);
+
+				Vector2 ep[7]={
+					Vector2(points[highest_idx].x,points[highest_idx].y+invert_border),
+					Vector2(bounds.pos+bounds.size),
+					Vector2(bounds.pos+Vector2(bounds.size.x,0)),
+					Vector2(bounds.pos),
+					Vector2(bounds.pos+Vector2(0,bounds.size.y)),
+					Vector2(points[highest_idx].x-CMP_EPSILON,points[highest_idx].y+invert_border),
+					Vector2(points[highest_idx].x-CMP_EPSILON,points[highest_idx].y),
+				};
+
+
+				if (sum>0) {
+					SWAP(ep[1],ep[4]);
+					SWAP(ep[2],ep[3]);
+					SWAP(ep[5],ep[0]);
+					SWAP(ep[6],points[highest_idx]);
+				}
+
+				points.resize(points.size()+7);
+				for(int i=points.size()-1;i>=highest_idx+7;i--) {
+
+					points[i]=points[i-7];
+				}
+
+				for(int i=0;i<7;i++) {
+
+					points[highest_idx+i+1]=ep[i];
+				}
+
+
+				len=points.size();
+
+			}
+
+			if (texture.is_valid()) {
+
+				Matrix32 texmat(tex_rot,tex_ofs);
+				texmat.scale(tex_scale);
+				Size2 tex_size=Vector2(1,1);
+
+				tex_size=texture->get_size();
+				uvs.resize(points.size());
+
+				if (points.size()==uv.size()) {
+
+					DVector<Vector2>::Read uvr = uv.read();
+
+					for(int i=0;i<len;i++) {
+						uvs[i]=texmat.xform(uvr[i])/tex_size;
+					}
+
+				} else {
+					for(int i=0;i<len;i++) {
+						uvs[i]=texmat.xform(points[i])/tex_size;
+					}
+				}
+
+			}
+
+
+			Vector<Color> colors;
+			colors.push_back(color);
+			Vector<int> indices = Geometry::triangulate_polygon(points);
+
+			VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(),indices,points,colors,uvs,texture.is_valid()?texture->get_rid():RID());
+
+		} break;
+	}
+}
+
+
+void Polygon2D::set_polygon(const DVector<Vector2>& p_polygon) {
+	polygon=p_polygon;
+	rect_cache_dirty=true;
+	update();
+}
+
+DVector<Vector2> Polygon2D::get_polygon() const{
+
+	return polygon;
+}
+
+
+void Polygon2D::set_uv(const DVector<Vector2>& p_uv) {
+
+	uv=p_uv;
+	update();
+}
+
+DVector<Vector2> Polygon2D::get_uv() const{
+
+	return uv;
+}
+
+void Polygon2D::set_color(const Color& p_color){
+
+	color=p_color;
+	update();
+}
+Color Polygon2D::get_color() const{
+
+	return color;
+}
+
+void Polygon2D::set_texture(const Ref<Texture>& p_texture){
+
+	texture=p_texture;
+
+	if (texture.is_valid()) {
+		uint32_t flags=texture->get_flags();
+		flags&=~Texture::FLAG_REPEAT;
+		if (tex_tile)
+			flags|=Texture::FLAG_REPEAT;
+
+		texture->set_flags(flags);
+	}
+	update();
+}
+Ref<Texture> Polygon2D::get_texture() const{
+
+	return texture;
+}
+
+
+void Polygon2D::set_texture_offset(const Vector2& p_offset){
+
+	tex_ofs=p_offset;
+	update();
+}
+Vector2 Polygon2D::get_texture_offset() const{
+
+	return tex_ofs;
+}
+
+void Polygon2D::set_texture_rotation(float p_rot){
+
+	tex_rot=p_rot;
+	update();
+}
+float Polygon2D::get_texture_rotation() const{
+
+	return tex_rot;
+}
+
+void Polygon2D::set_texture_repeat(bool p_enable){
+
+	tex_tile=p_enable;
+	if (texture.is_valid()) {
+		uint32_t flags=texture->get_flags();
+		flags&=~Texture::FLAG_REPEAT;
+		if (p_enable)
+			flags|=Texture::FLAG_REPEAT;
+		texture->set_flags(flags);
+	}
+	update();
+}
+bool Polygon2D::get_texture_repeat() const{
+
+	return tex_tile;
+}
+
+void Polygon2D::_set_texture_rotationd(float p_rot){
+
+	set_texture_rotation(Math::deg2rad(p_rot));
+}
+float Polygon2D::_get_texture_rotationd() const{
+
+	return Math::rad2deg(get_texture_rotation());
+}
+
+
+void Polygon2D::set_texture_scale(const Vector2& p_scale){
+
+	tex_scale=p_scale;
+	update();
+}
+Vector2 Polygon2D::get_texture_scale() const{
+
+	return tex_scale;
+}
+
+void Polygon2D::set_invert(bool p_invert){
+
+	invert=p_invert;
+	update();
+}
+bool Polygon2D::get_invert() const{
+
+	return invert;
+}
+
+void Polygon2D::set_invert_border(float p_invert_border){
+
+	invert_border=p_invert_border;
+	update();
+}
+float Polygon2D::get_invert_border() const{
+
+	return invert_border;
+}
+
+void Polygon2D::set_offset(const Vector2& p_offset) {
+
+	offset=p_offset;
+	rect_cache_dirty=true;
+	update();
+}
+
+Vector2 Polygon2D::get_offset() const {
+
+	return offset;
+}
+
+
+void Polygon2D::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_polygon","polygon"),&Polygon2D::set_polygon);
+	ObjectTypeDB::bind_method(_MD("get_polygon"),&Polygon2D::get_polygon);
+
+	ObjectTypeDB::bind_method(_MD("set_uv","uv"),&Polygon2D::set_uv);
+	ObjectTypeDB::bind_method(_MD("get_uv"),&Polygon2D::get_uv);
+
+	ObjectTypeDB::bind_method(_MD("set_color","color"),&Polygon2D::set_color);
+	ObjectTypeDB::bind_method(_MD("get_color"),&Polygon2D::get_color);
+
+	ObjectTypeDB::bind_method(_MD("set_texture","texture"),&Polygon2D::set_texture);
+	ObjectTypeDB::bind_method(_MD("get_texture"),&Polygon2D::get_texture);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_offset","texture_offset"),&Polygon2D::set_texture_offset);
+	ObjectTypeDB::bind_method(_MD("get_texture_offset"),&Polygon2D::get_texture_offset);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_rotation","texture_rotation"),&Polygon2D::set_texture_rotation);
+	ObjectTypeDB::bind_method(_MD("get_texture_rotation"),&Polygon2D::get_texture_rotation);
+
+	ObjectTypeDB::bind_method(_MD("_set_texture_rotationd","texture_rotation"),&Polygon2D::_set_texture_rotationd);
+	ObjectTypeDB::bind_method(_MD("_get_texture_rotationd"),&Polygon2D::_get_texture_rotationd);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_scale","texture_scale"),&Polygon2D::set_texture_scale);
+	ObjectTypeDB::bind_method(_MD("get_texture_scale"),&Polygon2D::get_texture_scale);
+
+	ObjectTypeDB::bind_method(_MD("set_texture_repeat","enable"),&Polygon2D::set_texture_repeat);
+	ObjectTypeDB::bind_method(_MD("get_texture_repeat"),&Polygon2D::get_texture_repeat);
+
+	ObjectTypeDB::bind_method(_MD("set_invert","invert"),&Polygon2D::set_invert);
+	ObjectTypeDB::bind_method(_MD("get_invert"),&Polygon2D::get_invert);
+
+	ObjectTypeDB::bind_method(_MD("set_invert_border","invert_border"),&Polygon2D::set_invert_border);
+	ObjectTypeDB::bind_method(_MD("get_invert_border"),&Polygon2D::get_invert_border);
+
+	ObjectTypeDB::bind_method(_MD("set_offset","offset"),&Polygon2D::set_offset);
+	ObjectTypeDB::bind_method(_MD("get_offset"),&Polygon2D::get_offset);
+
+
+
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"polygon"),_SCS("set_polygon"),_SCS("get_polygon"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2_ARRAY,"uv"),_SCS("set_uv"),_SCS("get_uv"));
+	ADD_PROPERTY( PropertyInfo(Variant::COLOR,"color"),_SCS("set_color"),_SCS("get_color"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"offset"),_SCS("set_offset"),_SCS("get_offset"));
+	ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"texture/texture",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture"),_SCS("get_texture"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"texture/offset"),_SCS("set_texture_offset"),_SCS("get_texture_offset"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"texture/scale"),_SCS("set_texture_scale"),_SCS("get_texture_scale"));
+	ADD_PROPERTY( PropertyInfo(Variant::REAL,"texture/rotation",PROPERTY_HINT_RANGE,"-1440,1440,0.1"),_SCS("_set_texture_rotationd"),_SCS("_get_texture_rotationd"));
+	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"texture/repeat"),_SCS("set_texture_repeat"),_SCS("get_texture_repeat"));
+	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"invert/enable"),_SCS("set_invert"),_SCS("get_invert"));
+	ADD_PROPERTY( PropertyInfo(Variant::REAL,"invert/border",PROPERTY_HINT_RANGE,"0.1,16384,0.1"),_SCS("set_invert_border"),_SCS("get_invert_border"));
+
+}
+
+Polygon2D::Polygon2D() {
+
+	invert=0;
+	invert_border=100;
+	tex_rot=0;
+	tex_tile=true;
+	tex_scale=Vector2(1,1);
+	rect_cache_dirty=true;
+}

scene/2d/polygon_2d.h

@@ -0,0 +1,78 @@
+#ifndef POLYGON_2D_H
+#define POLYGON_2D_H
+
+#include "scene/2d/node_2d.h"
+
+class Polygon2D : public Node2D {
+
+	OBJ_TYPE(Polygon2D,Node2D);
+
+	DVector<Vector2> polygon;
+	DVector<Vector2> uv;
+	Color color;
+	Ref<Texture> texture;
+	Vector2 tex_scale;
+	Vector2 tex_ofs;
+	bool tex_tile;
+	float tex_rot;
+	bool invert;
+	float invert_border;
+
+	Vector2 offset;
+	mutable bool rect_cache_dirty;
+	mutable Rect2 item_rect;
+
+	void _set_texture_rotationd(float p_rot);
+	float _get_texture_rotationd() const;
+
+protected:
+
+	void _notification(int p_what);
+	static void _bind_methods();
+public:
+
+	void set_polygon(const DVector<Vector2>& p_polygon);
+	DVector<Vector2> get_polygon() const;
+
+	void set_uv(const DVector<Vector2>& p_uv);
+	DVector<Vector2> get_uv() const;
+
+	void set_color(const Color& p_color);
+	Color get_color() const;
+
+	void set_texture(const Ref<Texture>& p_texture);
+	Ref<Texture> get_texture() const;
+
+	void set_texture_offset(const Vector2& p_offset);
+	Vector2 get_texture_offset() const;
+
+	void set_texture_rotation(float p_rot);
+	float get_texture_rotation() const;
+
+	void set_texture_scale(const Vector2& p_scale);
+	Vector2 get_texture_scale() const;
+
+	void set_texture_repeat(bool p_rot);
+	bool get_texture_repeat() const;
+
+	void set_invert(bool p_rot);
+	bool get_invert() const;
+
+	void set_invert_border(float p_border);
+	float get_invert_border() const;
+
+	void set_offset(const Vector2& p_offset);
+	Vector2 get_offset() const;
+
+	//editor stuff
+
+	virtual void edit_set_pivot(const Point2& p_pivot);
+	virtual Point2 edit_get_pivot() const;
+	virtual bool edit_has_pivot() const;
+
+	virtual Rect2 get_item_rect() const;
+
+	Polygon2D();
+};
+
+#endif // POLYGON_2D_H

scene/register_scene_types.cpp

@@ -82,6 +82,7 @@
 #include "scene/2d/canvas_item.h"
 #include "scene/2d/sprite.h"
 #include "scene/2d/animated_sprite.h"
+#include "scene/2d/polygon_2d.h"
 
 
 #include "scene/2d/visibility_notifier_2d.h"
@@ -468,6 +469,7 @@ void register_scene_types() {
 	ObjectTypeDB::register_type<RayCast2D>();
 	ObjectTypeDB::register_type<VisibilityNotifier2D>();
 	ObjectTypeDB::register_type<VisibilityEnabler2D>();
+	ObjectTypeDB::register_type<Polygon2D>();
 
 	ObjectTypeDB::set_type_enabled("CollisionShape2D",false);
 	ObjectTypeDB::set_type_enabled("CollisionPolygon2D",false);

servers/visual/rasterizer.cpp

@@ -96,7 +96,7 @@ RID Rasterizer::_create_shader(const FixedMaterialShaderKey& p_key) {
 		} else {
 			uv_str=_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_NORMAL);
 		}
-		scode+="vec3 normal=tex( fmp_normal_tex,"+uv_str+").xyz * 2.0 - vec3(1.0,1.0,1.0);\n";
+		scode+="vec3 normal=tex( fmp_normal_tex,"+uv_str+").xyz * vec3(2.0,2.0,1.0) - vec3(1.0,1.0,0.0);\n";
 		scode+="NORMAL = mix( NORMAL,mat3(TANGENT,BINORMAL,NORMAL) * normal,  fmp_normal);\n";
 		code+=scode;
 	}

servers/visual/visual_server_raster.cpp

@@ -3432,7 +3432,7 @@ void VisualServerRaster::canvas_item_add_triangle_array(RID p_item, const Vector
 	ERR_FAIL_COND(!canvas_item);
 
 	int ps = p_points.size();
-	ERR_FAIL_COND(!p_colors.empty() && p_colors.size()!=ps);
+	ERR_FAIL_COND(!p_colors.empty() && p_colors.size()!=ps && p_colors.size()!=1);
 	ERR_FAIL_COND(!p_uvs.empty() && p_uvs.size()!=ps);
 
 	Vector<int> indices = p_indices;

tools/editor/editor_node.cpp

@@ -86,6 +86,7 @@
 #include "plugins/tile_set_editor_plugin.h"
 #include "plugins/animation_player_editor_plugin.h"
 #include "plugins/baked_light_editor_plugin.h"
+#include "plugins/polygon_2d_editor_plugin.h"
 // end
 #include "tools/editor/io_plugins/editor_texture_import_plugin.h"
 #include "tools/editor/io_plugins/editor_scene_import_plugin.h"
@@ -1323,6 +1324,7 @@ void EditorNode::_edit_current() {
 
 	/* Take care of PLUGIN EDITOR */
 
+
 	EditorPlugin *main_plugin = editor_data.get_editor(current_obj);
 
 	if (main_plugin) {
@@ -2759,7 +2761,7 @@ Error EditorNode::load_scene(const String& p_scene) {
 
 	top_pallete->set_current_tab(0); //always go to scene
 
-	//push_item(new_scene);
+	push_item(new_scene);
 
 	return OK;
 }
@@ -4088,6 +4090,7 @@ EditorNode::EditorNode() {
 	add_editor_plugin( memnew( Path2DEditorPlugin(this) ) );
 	add_editor_plugin( memnew( PathEditorPlugin(this) ) );
 	add_editor_plugin( memnew( BakedLightEditorPlugin(this) ) );
+	add_editor_plugin( memnew( Polygon2DEditorPlugin(this) ) );
 
 	for(int i=0;i<EditorPlugins::get_plugin_count();i++)
 		add_editor_plugin( EditorPlugins::create(i,this) );

tools/editor/plugins/canvas_item_editor_plugin.cpp

@@ -1770,6 +1770,25 @@ void CanvasItemEditor::_notification(int p_what) {
 
 		}
 
+		for(List<BoneList>::Element *E=bone_list.front();E;E=E->next()) {
+
+			Object *b = ObjectDB::get_instance(E->get().bone);
+			if (!b) {
+				viewport->update();
+				break;
+			}
+
+			Node2D *b2 = b->cast_to<Node2D>();
+			if (!b2) {
+				continue;
+			}
+
+			if (b2->get_global_transform()!=E->get().xform) {
+
+				E->get().xform=b2->get_global_transform();
+				viewport->update();
+			}
+		}
 	}
 
 	if (p_what==NOTIFICATION_ENTER_SCENE) {

tools/editor/plugins/canvas_item_editor_plugin.h

@@ -167,6 +167,7 @@ class CanvasItemEditor : public VBoxContainer {
 
 	struct BoneList {
 
+		Matrix32 xform;
 		Vector2 from;
 		Vector2 to;
 		ObjectID bone;

tools/editor/plugins/collision_polygon_editor_plugin.cpp

@@ -96,8 +96,8 @@ void CollisionPolygonEditor::_wip_close() {
 	undo_redo->create_action("Create Poly");
 	undo_redo->add_undo_method(node,"set_polygon",node->get_polygon());
 	undo_redo->add_do_method(node,"set_polygon",wip);
-	undo_redo->add_do_method(canvas_item_editor,"update");
-	undo_redo->add_undo_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->get_viewport_control(),"update");
 	undo_redo->commit_action();
 	wip.clear();
 	wip_active=false;
@@ -186,8 +186,8 @@ bool CollisionPolygonEditor::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_undo_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->get_viewport_control(),"update");
 									undo_redo->commit_action();
 									return true;
 								}
@@ -265,8 +265,8 @@ bool CollisionPolygonEditor::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_undo_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->get_viewport_control(),"update");
 								undo_redo->commit_action();
 
 								edited_point=-1;
@@ -300,8 +300,8 @@ bool CollisionPolygonEditor::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_undo_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->get_viewport_control(),"update");
 							undo_redo->commit_action();
 							return true;
 						}

tools/editor/plugins/polygon_2d_editor_plugin.cpp

@@ -0,0 +1,880 @@
+/*************************************************************************/
+/*  collision_polygon_editor_plugin.cpp                                  */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "polygon_2d_editor_plugin.h"
+#include "canvas_item_editor_plugin.h"
+#include "os/file_access.h"
+#include "tools/editor/editor_settings.h"
+#include "os/keyboard.h"
+#include "os/input.h"
+
+void Polygon2DEditor::_notification(int p_what) {
+
+	switch(p_what) {
+
+		case NOTIFICATION_READY: {
+
+			button_create->set_icon( get_icon("Edit","EditorIcons"));
+			button_edit->set_icon( get_icon("MovePoint","EditorIcons"));
+			button_edit->set_pressed(true);
+			button_uv->set_icon( get_icon("Uv","EditorIcons"));
+
+			uv_button[UV_MODE_EDIT_POINT]->set_icon(get_icon("ToolSelect","EditorIcons"));
+			uv_button[UV_MODE_MOVE]->set_icon(get_icon("ToolMove","EditorIcons"));
+			uv_button[UV_MODE_ROTATE]->set_icon(get_icon("ToolRotate","EditorIcons"));
+			uv_button[UV_MODE_SCALE]->set_icon(get_icon("ToolScale","EditorIcons"));
+
+
+		} break;
+		case NOTIFICATION_FIXED_PROCESS: {
+
+
+		} break;
+	}
+
+}
+void Polygon2DEditor::_node_removed(Node *p_node) {
+
+	if(p_node==node) {
+		node=NULL;
+		hide();
+	}
+
+}
+
+
+Vector2 Polygon2DEditor::snap_point(const Vector2& p_point) const {
+
+	if (canvas_item_editor->is_snap_active()) {
+
+		return p_point.snapped(Vector2(1,1)*canvas_item_editor->get_snap());
+
+	} else {
+		return p_point;
+	}
+}
+
+void Polygon2DEditor::_menu_option(int p_option) {
+
+	switch(p_option) {
+
+		case MODE_CREATE: {
+
+			mode=MODE_CREATE;
+			button_create->set_pressed(true);
+			button_edit->set_pressed(false);
+		} break;
+		case MODE_EDIT: {
+
+			mode=MODE_EDIT;
+			button_create->set_pressed(false);
+			button_edit->set_pressed(true);
+		} break;
+		case MODE_EDIT_UV: {
+
+			if (node->get_texture().is_null()) {
+
+				error->set_text("No texture in this polygon.\nSet a texture to be able to edit UV.");
+				error->popup_centered_minsize(Size2(300,70));
+				return;
+			}
+
+
+			DVector<Vector2> points = node->get_polygon();
+			DVector<Vector2> uvs = node->get_uv();
+			if (uvs.size()!=points.size()) {
+				undo_redo->create_action("Create UV Map");
+				undo_redo->add_do_method(node,"set_uv",points);
+				undo_redo->add_undo_method(node,"set_uv",uvs);
+				undo_redo->add_do_method(uv_edit_draw,"update");
+				undo_redo->add_undo_method(uv_edit_draw,"update");
+				undo_redo->commit_action();
+
+			}
+
+
+			uv_edit->popup_centered_ratio(0.85);
+		} break;
+		case UVEDIT_POLYGON_TO_UV: {
+
+			DVector<Vector2> points = node->get_polygon();
+			if (points.size()==0)
+				break;
+			DVector<Vector2> uvs = node->get_uv();
+			undo_redo->create_action("Create UV Map");
+			undo_redo->add_do_method(node,"set_uv",points);
+			undo_redo->add_undo_method(node,"set_uv",uvs);
+			undo_redo->add_do_method(uv_edit_draw,"update");
+			undo_redo->add_undo_method(uv_edit_draw,"update");
+			undo_redo->commit_action();
+
+
+		} break;
+		case UVEDIT_UV_TO_POLYGON: {
+
+			DVector<Vector2> points = node->get_polygon();
+			DVector<Vector2> uvs = node->get_uv();
+			if (uvs.size()==0)
+				break;
+
+			undo_redo->create_action("Create UV Map");
+			undo_redo->add_do_method(node,"set_polygon",uvs);
+			undo_redo->add_undo_method(node,"set_polygon",points);
+			undo_redo->add_do_method(uv_edit_draw,"update");
+			undo_redo->add_undo_method(uv_edit_draw,"update");
+			undo_redo->commit_action();
+
+		} break;
+		case UVEDIT_UV_CLEAR: {
+
+			DVector<Vector2> uvs = node->get_uv();
+			if (uvs.size()==0)
+				break;
+			undo_redo->create_action("Create UV Map");
+			undo_redo->add_do_method(node,"set_uv",DVector<Vector2>());
+			undo_redo->add_undo_method(node,"set_uv",uvs);
+			undo_redo->add_do_method(uv_edit_draw,"update");
+			undo_redo->add_undo_method(uv_edit_draw,"update");
+			undo_redo->commit_action();
+
+		} break;
+
+
+	}
+}
+
+void Polygon2DEditor::_wip_close() {
+
+	undo_redo->create_action("Create Poly");
+	undo_redo->add_undo_method(node,"set_polygon",node->get_polygon());
+	undo_redo->add_do_method(node,"set_polygon",wip);
+	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();
+	wip.clear();
+	wip_active=false;
+	mode=MODE_EDIT;
+	button_edit->set_pressed(true);
+	button_create->set_pressed(false);
+	edited_point=-1;
+}
+
+bool Polygon2DEditor::forward_input_event(const InputEvent& p_event) {
+
+
+	switch(p_event.type) {
+
+		case InputEvent::MOUSE_BUTTON: {
+
+			const InputEventMouseButton &mb=p_event.mouse_button;
+
+			Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
+
+
+			Vector2 gpoint = Point2(mb.x,mb.y);
+			Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
+			cpoint=snap_point(cpoint);
+			cpoint = node->get_global_transform().affine_inverse().xform(cpoint);
+
+
+			Vector<Vector2> poly = Variant(node->get_polygon());
+
+			//first check if a point is to be added (segment split)
+			real_t grab_treshold=EDITOR_DEF("poly_editor/point_grab_radius",8);
+
+			switch(mode) {
+
+
+				case MODE_CREATE: {
+
+					if (mb.button_index==BUTTON_LEFT && mb.pressed) {
+
+
+						if (!wip_active) {
+
+							wip.clear();
+							wip.push_back( cpoint-node->get_offset() );
+							wip_active=true;
+							edited_point_pos=cpoint;
+							canvas_item_editor->get_viewport_control()->update();
+							edited_point=1;
+							return true;
+						} else {
+
+
+							if (wip.size()>1 && xform.xform(wip[0]+node->get_offset()).distance_to(gpoint)<grab_treshold) {
+								//wip closed
+								_wip_close();
+
+								return true;
+							} else {
+
+								wip.push_back( cpoint-node->get_offset() );
+								edited_point=wip.size();
+								canvas_item_editor->get_viewport_control()->update();
+								return true;
+
+								//add wip point
+							}
+						}
+					} else if (mb.button_index==BUTTON_RIGHT && mb.pressed && wip_active) {
+						_wip_close();
+					}
+
+
+
+				} break;
+
+				case MODE_EDIT: {
+
+					if (mb.button_index==BUTTON_LEFT) {
+						if (mb.pressed) {
+
+							if (mb.mod.control) {
+
+
+								if (poly.size() < 3) {
+
+									undo_redo->create_action("Edit Poly");
+									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->get_viewport_control(),"update");
+									undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
+									undo_redo->commit_action();
+									return true;
+								}
+
+								//search edges
+								int closest_idx=-1;
+								Vector2 closest_pos;
+								real_t closest_dist=1e10;
+								for(int i=0;i<poly.size();i++) {
+
+									Vector2 points[2] ={ xform.xform(poly[i]+node->get_offset()),
+										xform.xform(poly[(i+1)%poly.size()]+node->get_offset()) };
+
+									Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint,points);
+									if (cp.distance_squared_to(points[0])<CMP_EPSILON2 || cp.distance_squared_to(points[1])<CMP_EPSILON2)
+										continue; //not valid to reuse point
+
+									real_t d = cp.distance_to(gpoint);
+									if (d<closest_dist && d<grab_treshold) {
+										closest_dist=d;
+										closest_pos=cp;
+										closest_idx=i;
+									}
+
+
+								}
+
+								if (closest_idx>=0) {
+
+									pre_move_edit=poly;
+									poly.insert(closest_idx+1,xform.affine_inverse().xform(closest_pos)-node->get_offset());
+									edited_point=closest_idx+1;
+									edited_point_pos=xform.affine_inverse().xform(closest_pos);
+									node->set_polygon(Variant(poly));
+									canvas_item_editor->get_viewport_control()->update();
+									return true;
+								}
+							} else {
+
+								//look for points to move
+
+								int closest_idx=-1;
+								Vector2 closest_pos;
+								real_t closest_dist=1e10;
+								for(int i=0;i<poly.size();i++) {
+
+									Vector2 cp =xform.xform(poly[i]+node->get_offset());
+
+									real_t d = cp.distance_to(gpoint);
+									if (d<closest_dist && d<grab_treshold) {
+										closest_dist=d;
+										closest_pos=cp;
+										closest_idx=i;
+									}
+
+								}
+
+								if (closest_idx>=0) {
+
+									pre_move_edit=poly;
+									edited_point=closest_idx;
+									edited_point_pos=xform.affine_inverse().xform(closest_pos);
+									canvas_item_editor->get_viewport_control()->update();
+									return true;
+								}
+							}
+						} else {
+
+							if (edited_point!=-1) {
+
+								//apply
+
+								ERR_FAIL_INDEX_V(edited_point,poly.size(),false);
+								poly[edited_point]=edited_point_pos-node->get_offset();
+								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->get_viewport_control(),"update");
+								undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
+								undo_redo->commit_action();
+
+								edited_point=-1;
+								return true;
+							}
+						}
+					} if (mb.button_index==BUTTON_RIGHT && mb.pressed && edited_point==-1) {
+
+
+
+						int closest_idx=-1;
+						Vector2 closest_pos;
+						real_t closest_dist=1e10;
+						for(int i=0;i<poly.size();i++) {
+
+							Vector2 cp =xform.xform(poly[i]+node->get_offset());
+
+							real_t d = cp.distance_to(gpoint);
+							if (d<closest_dist && d<grab_treshold) {
+								closest_dist=d;
+								closest_pos=cp;
+								closest_idx=i;
+							}
+
+						}
+
+						if (closest_idx>=0) {
+
+
+							undo_redo->create_action("Edit Poly (Remove Point)");
+							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->get_viewport_control(),"update");
+							undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
+							undo_redo->commit_action();
+							return true;
+						}
+
+					}
+
+
+
+				} break;
+			}
+
+
+
+		} break;
+		case InputEvent::MOUSE_MOTION: {
+
+			const InputEventMouseMotion &mm=p_event.mouse_motion;
+
+			if (edited_point!=-1 && (wip_active || mm.button_mask&BUTTON_MASK_LEFT)) {
+
+				Vector2 gpoint = Point2(mm.x,mm.y);
+				Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
+				cpoint=snap_point(cpoint);
+				edited_point_pos = node->get_global_transform().affine_inverse().xform(cpoint);
+
+				canvas_item_editor->get_viewport_control()->update();
+
+			}
+
+		} break;
+	}
+
+	return false;
+}
+void Polygon2DEditor::_canvas_draw() {
+
+	if (!node)
+		return;
+
+	Control *vpc = canvas_item_editor->get_viewport_control();
+
+	Vector<Vector2> poly;
+
+	if (wip_active)
+		poly=wip;
+	else
+		poly=Variant(node->get_polygon());
+
+
+	Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
+	Ref<Texture> handle= get_icon("EditorHandle","EditorIcons");
+
+	int len = poly.size();
+
+	for(int i=0;i<poly.size();i++) {
+
+
+		Vector2 p,p2;
+		p = i==edited_point ? edited_point_pos : (poly[i]+node->get_offset());
+		if ((wip_active && i==poly.size()-1) || (((i+1)%poly.size())==edited_point))
+			p2=edited_point_pos;
+		else
+			p2 = poly[(i+1)%poly.size()]+node->get_offset();
+
+		Vector2 point = xform.xform(p);
+		Vector2 next_point = xform.xform(p2);
+
+		Color col=Color(1,0.3,0.1,0.8);
+		vpc->draw_line(point,next_point,col,2);
+		vpc->draw_texture(handle,point-handle->get_size()*0.5);
+	}
+}
+
+
+void Polygon2DEditor::_uv_mode(int p_mode) {
+
+
+	uv_mode=UVMode(p_mode);
+	for(int i=0;i<UV_MODE_MAX;i++) {
+		uv_button[i]->set_pressed(p_mode==i);
+	}
+}
+
+
+void Polygon2DEditor::_uv_input(const InputEvent& p_input) {
+
+
+	Matrix32 mtx;
+	mtx.elements[2]=-uv_draw_ofs;
+	mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
+
+	if (p_input.type==InputEvent::MOUSE_BUTTON) {
+
+
+		const InputEventMouseButton &mb=p_input.mouse_button;
+
+		if (mb.button_index==BUTTON_LEFT) {
+
+
+			if (mb.pressed) {
+
+				uv_drag_from=Vector2(mb.x,mb.y);
+				uv_drag=true;
+				uv_prev=node->get_uv();
+				uv_move_current=uv_mode;
+				if (uv_move_current==UV_MODE_EDIT_POINT) {
+
+					if (mb.mod.shift && mb.mod.command)
+						uv_move_current=UV_MODE_SCALE;
+					else if (mb.mod.shift)
+						uv_move_current=UV_MODE_MOVE;
+					else if (mb.mod.command)
+						uv_move_current=UV_MODE_ROTATE;
+				}
+
+				if (uv_move_current==UV_MODE_EDIT_POINT) {
+
+					uv_drag_index=-1;
+					for(int i=0;i<uv_prev.size();i++) {
+
+						Vector2 tuv=mtx.xform(uv_prev[i]);
+						if (tuv.distance_to(Vector2(mb.x,mb.y))<8) {
+
+							uv_drag_index=i;
+						}
+					}
+
+					if (uv_drag_index==-1) {
+						uv_drag=false;
+					}
+
+				}
+			} else if (uv_drag) {
+
+				undo_redo->create_action("Transform UV Map");
+				undo_redo->add_do_method(node,"set_uv",node->get_uv());
+				undo_redo->add_undo_method(node,"set_uv",uv_prev);
+				undo_redo->add_do_method(uv_edit_draw,"update");
+				undo_redo->add_undo_method(uv_edit_draw,"update");
+				undo_redo->commit_action();
+
+				uv_drag=false;
+			}
+
+		} else if (mb.button_index==BUTTON_RIGHT && mb.pressed) {
+
+			if (uv_drag) {
+
+				uv_drag=false;
+				node->set_uv(uv_prev);
+				uv_edit_draw->update();
+			}
+
+		} else if (mb.button_index==BUTTON_WHEEL_UP && mb.pressed) {
+
+			uv_zoom->set_val( uv_zoom->get_val()/0.9 );
+		} else if (mb.button_index==BUTTON_WHEEL_DOWN && mb.pressed) {
+
+			uv_zoom->set_val( uv_zoom->get_val()*0.9);
+		}
+
+	} else if (p_input.type==InputEvent::MOUSE_MOTION) {
+
+		const InputEventMouseMotion &mm=p_input.mouse_motion;
+
+		if (mm.button_mask&BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
+
+			Vector2 drag(mm.relative_x,mm.relative_y);
+			uv_hscroll->set_val( uv_hscroll->get_val()-drag.x );
+			uv_vscroll->set_val( uv_vscroll->get_val()-drag.y );
+
+		} else if (uv_drag) {
+
+			Vector2 uv_drag_to(mm.x,mm.y);
+			Vector2 drag = mtx.affine_inverse().xform(uv_drag_to) - mtx.affine_inverse().xform(uv_drag_from);
+
+
+			switch(uv_move_current) {
+
+				case UV_MODE_EDIT_POINT: {
+
+					DVector<Vector2> uv_new=uv_prev;
+					uv_new.set( uv_drag_index, uv_new[uv_drag_index]+drag );
+					node->set_uv(uv_new);
+				} break;
+				case UV_MODE_MOVE: {
+
+					DVector<Vector2> uv_new=uv_prev;
+					for(int i=0;i<uv_new.size();i++)
+						uv_new.set( i, uv_new[i]+drag );
+
+					node->set_uv(uv_new);
+
+
+				} break;
+				case UV_MODE_ROTATE: {
+
+					Vector2 center;
+					DVector<Vector2> uv_new=uv_prev;
+
+					for(int i=0;i<uv_new.size();i++)
+						center+=uv_prev[i];
+					center/=uv_new.size();
+
+					float angle = (uv_drag_from - mtx.xform(center)).normalized().angle_to( (uv_drag_to - mtx.xform(center)).normalized() );
+
+					for(int i=0;i<uv_new.size();i++) {
+						Vector2 rel = uv_prev[i] - center;
+						rel=rel.rotated(angle);
+						uv_new.set(i,center+rel);
+					}
+
+					node->set_uv(uv_new);
+
+				} break;
+				case UV_MODE_SCALE: {
+
+					Vector2 center;
+					DVector<Vector2> uv_new=uv_prev;
+
+					for(int i=0;i<uv_new.size();i++)
+						center+=uv_prev[i];
+					center/=uv_new.size();
+
+					float from_dist = uv_drag_from.distance_to(mtx.xform(center));
+					float to_dist = uv_drag_to.distance_to(mtx.xform(center));
+					if (from_dist<2)
+						break;
+
+					float scale = to_dist/from_dist;
+
+
+					for(int i=0;i<uv_new.size();i++) {
+						Vector2 rel = uv_prev[i] - center;
+						rel=rel*scale;
+						uv_new.set(i,center+rel);
+					}
+
+					node->set_uv(uv_new);
+				} break;
+
+
+			}
+			uv_edit_draw->update();
+		}
+
+	}
+
+}
+
+
+void Polygon2DEditor::_uv_scroll_changed(float) {
+
+	if (updating_uv_scroll)
+		return;
+
+	uv_draw_ofs.x=uv_hscroll->get_val();
+	uv_draw_ofs.y=uv_vscroll->get_val();
+	uv_draw_zoom=uv_zoom->get_val();
+	uv_edit_draw->update();
+}
+
+void Polygon2DEditor::_uv_draw() {
+
+	Ref<Texture> base_tex = node->get_texture();
+	if (base_tex.is_null())
+		return;
+
+	Matrix32 mtx;
+	mtx.elements[2]=-uv_draw_ofs;
+	mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
+
+	VS::get_singleton()->canvas_item_set_clip(uv_edit_draw->get_canvas_item(),true);
+	VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),mtx);
+	uv_edit_draw->draw_texture(base_tex,Point2());
+	VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),Matrix32());
+
+	DVector<Vector2> uvs = node->get_uv();
+	Ref<Texture> handle = get_icon("EditorHandle","EditorIcons");
+
+	Rect2 rect(Point2(),mtx.basis_xform(base_tex->get_size()));
+	rect.expand_to(mtx.basis_xform(uv_edit_draw->get_size()));
+
+	for(int i=0;i<uvs.size();i++) {
+
+		int next = (i+1)%uvs.size();
+		uv_edit_draw->draw_line(mtx.xform(uvs[i]),mtx.xform(uvs[next]),Color(0.9,0.5,0.5),2);
+		uv_edit_draw->draw_texture(handle,mtx.xform(uvs[i])-handle->get_size()*0.5);
+		rect.expand_to(mtx.basis_xform(uvs[i]));
+	}
+
+	rect=rect.grow(200);
+	updating_uv_scroll=true;
+	uv_hscroll->set_min(rect.pos.x);
+	uv_hscroll->set_max(rect.pos.x+rect.size.x);
+	uv_hscroll->set_page(uv_edit_draw->get_size().x);
+	uv_hscroll->set_val(uv_draw_ofs.x);
+	uv_hscroll->set_step(0.001);
+
+	uv_vscroll->set_min(rect.pos.y);
+	uv_vscroll->set_max(rect.pos.y+rect.size.y);
+	uv_vscroll->set_page(uv_edit_draw->get_size().y);
+	uv_vscroll->set_val(uv_draw_ofs.y);
+	uv_vscroll->set_step(0.001);
+	updating_uv_scroll=false;
+
+}
+
+void Polygon2DEditor::edit(Node *p_collision_polygon) {
+
+	if (!canvas_item_editor) {
+		canvas_item_editor=CanvasItemEditor::get_singleton();
+	}
+
+
+	if (p_collision_polygon) {
+
+		node=p_collision_polygon->cast_to<Polygon2D>();
+		if (!canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw"))
+			canvas_item_editor->get_viewport_control()->connect("draw",this,"_canvas_draw");
+		wip.clear();
+		wip_active=false;
+		edited_point=-1;
+
+	} else {
+		node=NULL;
+
+		if (canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw"))
+			canvas_item_editor->get_viewport_control()->disconnect("draw",this,"_canvas_draw");
+
+	}
+
+}
+
+void Polygon2DEditor::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("_menu_option"),&Polygon2DEditor::_menu_option);
+	ObjectTypeDB::bind_method(_MD("_canvas_draw"),&Polygon2DEditor::_canvas_draw);
+	ObjectTypeDB::bind_method(_MD("_uv_mode"),&Polygon2DEditor::_uv_mode);
+	ObjectTypeDB::bind_method(_MD("_uv_draw"),&Polygon2DEditor::_uv_draw);
+	ObjectTypeDB::bind_method(_MD("_uv_input"),&Polygon2DEditor::_uv_input);
+	ObjectTypeDB::bind_method(_MD("_uv_scroll_changed"),&Polygon2DEditor::_uv_scroll_changed);
+
+
+}
+
+Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) {
+
+	canvas_item_editor=NULL;
+	editor=p_editor;
+	undo_redo = editor->get_undo_redo();
+
+	add_child( memnew( VSeparator ));
+	button_create = memnew( ToolButton );
+	add_child(button_create);
+	button_create->connect("pressed",this,"_menu_option",varray(MODE_CREATE));
+	button_create->set_toggle_mode(true);
+
+	button_edit = memnew( ToolButton );
+	add_child(button_edit);
+	button_edit->connect("pressed",this,"_menu_option",varray(MODE_EDIT));
+	button_edit->set_toggle_mode(true);
+
+	button_uv = memnew( ToolButton );
+	add_child(button_uv);
+	button_uv->connect("pressed",this,"_menu_option",varray(MODE_EDIT_UV));
+
+	//add_constant_override("separation",0);
+
+#if 0
+	options = memnew( MenuButton );
+	add_child(options);
+	options->set_area_as_parent_rect();
+	options->set_text("Polygon");
+	//options->get_popup()->add_item("Parse BBCODE",PARSE_BBCODE);
+	options->get_popup()->connect("item_pressed", this,"_menu_option");
+#endif
+
+	mode = MODE_EDIT;
+	wip_active=false;
+
+	uv_mode=UV_MODE_EDIT_POINT;
+	uv_edit = memnew( AcceptDialog );
+	add_child(uv_edit);
+	uv_edit->set_title("Polygon 2D UV Editor");
+	uv_edit->set_self_opacity(0.9);
+
+	VBoxContainer *uv_main_vb = memnew( VBoxContainer );
+	uv_edit->add_child(uv_main_vb);
+	uv_edit->set_child_rect(uv_main_vb);
+	HBoxContainer *uv_mode_hb = memnew( HBoxContainer );
+	uv_main_vb->add_child(uv_mode_hb);
+	for(int i=0;i<UV_MODE_MAX;i++) {
+
+		uv_button[i]=memnew( ToolButton );
+		uv_button[i]->set_toggle_mode(true);
+		uv_mode_hb->add_child(uv_button[i]);
+		uv_button[i]->connect("pressed",this,"_uv_mode",varray(i));
+		uv_button[i]->set_focus_mode(FOCUS_NONE);
+	}
+
+	uv_button[0]->set_tooltip("Move Point\nCtrl: Rotate\nShift: Move All\n:Shift+Ctrl: Scale");
+	uv_button[1]->set_tooltip("Move Polygon");
+	uv_button[2]->set_tooltip("Rotate Polygon");
+	uv_button[3]->set_tooltip("Scale Polygon");
+
+	uv_button[0]->set_pressed(true);
+	HBoxContainer *uv_main_hb = memnew( HBoxContainer );
+	uv_main_vb->add_child(uv_main_hb);
+	uv_edit_draw = memnew( Control );
+	uv_main_hb->add_child(uv_edit_draw);
+	uv_main_hb->set_v_size_flags(SIZE_EXPAND_FILL);
+	uv_edit_draw->set_h_size_flags(SIZE_EXPAND_FILL);
+	uv_menu = memnew( MenuButton );
+	uv_mode_hb->add_child(uv_menu);
+	uv_menu->set_text("Edit");
+	uv_menu->get_popup()->add_item("Polygon->UV",UVEDIT_POLYGON_TO_UV);
+	uv_menu->get_popup()->add_item("UV->Polygon",UVEDIT_UV_TO_POLYGON);
+	uv_menu->get_popup()->add_separator();
+	uv_menu->get_popup()->add_item("Clear UV",UVEDIT_UV_CLEAR);
+	uv_menu->get_popup()->connect("item_pressed",this,"_menu_option");
+	uv_mode_hb->add_child( memnew( VSeparator ));
+	uv_icon_zoom = memnew( TextureFrame );
+	uv_main_hb->add_child( uv_icon_zoom );
+	uv_zoom = memnew( HSlider );
+	uv_zoom->set_min(0.01);
+	uv_zoom->set_max(4);
+	uv_zoom->set_val(1);
+	uv_zoom->set_step(0.01);
+	uv_mode_hb->add_child(uv_zoom);
+	uv_zoom->set_custom_minimum_size(Size2(200,0));
+	uv_zoom_value = memnew( SpinBox );
+	uv_zoom->share(uv_zoom_value);
+	uv_zoom_value->set_custom_minimum_size(Size2(50,0));
+	uv_mode_hb->add_child(uv_zoom_value);
+	uv_zoom->connect("value_changed",this,"_uv_scroll_changed");
+
+
+
+	uv_vscroll = memnew( VScrollBar);
+	uv_main_hb->add_child(uv_vscroll);
+	uv_vscroll->connect("value_changed",this,"_uv_scroll_changed");
+	uv_hscroll = memnew( HScrollBar );
+	uv_main_vb->add_child(uv_hscroll);
+	uv_hscroll->connect("value_changed",this,"_uv_scroll_changed");
+
+	uv_edit_draw->connect("draw",this,"_uv_draw");
+	uv_edit_draw->connect("input_event",this,"_uv_input");
+	uv_draw_zoom=1.0;
+	uv_drag_index=-1;
+	uv_drag=false;
+	updating_uv_scroll=false;
+
+	error = memnew( AcceptDialog);
+	add_child(error);
+
+}
+
+
+void Polygon2DEditorPlugin::edit(Object *p_object) {
+
+
+	collision_polygon_editor->edit(p_object->cast_to<Node>());
+}
+
+bool Polygon2DEditorPlugin::handles(Object *p_object) const {
+
+	return p_object->is_type("Polygon2D");
+}
+
+void Polygon2DEditorPlugin::make_visible(bool p_visible) {
+
+	if (p_visible) {
+		collision_polygon_editor->show();
+	} else {
+
+		collision_polygon_editor->hide();
+		collision_polygon_editor->edit(NULL);
+	}
+
+}
+
+Polygon2DEditorPlugin::Polygon2DEditorPlugin(EditorNode *p_node) {
+
+	editor=p_node;
+	collision_polygon_editor = memnew( Polygon2DEditor(p_node) );
+	CanvasItemEditor::get_singleton()->add_control_to_menu_panel(collision_polygon_editor);
+
+	collision_polygon_editor->hide();
+
+}
+
+
+Polygon2DEditorPlugin::~Polygon2DEditorPlugin()
+{
+}
+

tools/editor/plugins/polygon_2d_editor_plugin.h

@@ -0,0 +1,123 @@
+#ifndef POLYGON_2D_EDITOR_PLUGIN_H
+#define POLYGON_2D_EDITOR_PLUGIN_H
+
+#include "tools/editor/editor_plugin.h"
+#include "tools/editor/editor_node.h"
+#include "scene/2d/polygon_2d.h"
+#include "scene/gui/tool_button.h"
+#include "scene/gui/button_group.h"
+
+/**
+	@author Juan Linietsky <reduzio@gmail.com>
+*/
+class CanvasItemEditor;
+
+class Polygon2DEditor : public HBoxContainer {
+
+	OBJ_TYPE(Polygon2DEditor, HBoxContainer );
+
+	UndoRedo *undo_redo;
+	enum Mode {
+
+		MODE_CREATE,
+		MODE_EDIT,
+		MODE_EDIT_UV,
+		UVEDIT_POLYGON_TO_UV,
+		UVEDIT_UV_TO_POLYGON,
+		UVEDIT_UV_CLEAR
+
+	};
+
+	enum UVMode {
+		UV_MODE_EDIT_POINT,
+		UV_MODE_MOVE,
+		UV_MODE_ROTATE,
+		UV_MODE_SCALE,
+		UV_MODE_MAX
+	};
+
+	Mode mode;
+
+	UVMode uv_mode;
+	AcceptDialog *uv_edit;
+	ToolButton *uv_button[4];
+	Control *uv_edit_draw;
+	HSlider *uv_zoom;
+	SpinBox *uv_zoom_value;
+	HScrollBar *uv_hscroll;
+	VScrollBar *uv_vscroll;
+	MenuButton *uv_menu;
+	TextureFrame *uv_icon_zoom;
+
+	Vector2 uv_draw_ofs;
+	float uv_draw_zoom;
+	DVector<Vector2> uv_prev;
+	int uv_drag_index;
+	bool uv_drag;
+	UVMode uv_move_current;
+	Vector2 uv_drag_from;
+	bool updating_uv_scroll;
+
+
+
+	AcceptDialog *error;
+
+	ToolButton *button_create;
+	ToolButton *button_edit;
+	ToolButton *button_uv;
+
+	CanvasItemEditor *canvas_item_editor;
+	EditorNode *editor;
+	Panel *panel;
+	Polygon2D *node;
+	MenuButton *options;
+
+	int edited_point;
+	Vector2 edited_point_pos;
+	Vector<Vector2> pre_move_edit;
+	Vector<Vector2> wip;
+	bool wip_active;
+
+	void _uv_scroll_changed(float);
+	void _uv_input(const InputEvent& p_input);
+	void _uv_draw();
+	void _uv_mode(int p_mode);
+	void _wip_close();
+	void _canvas_draw();
+	void _menu_option(int p_option);
+
+protected:
+	void _notification(int p_what);
+	void _node_removed(Node *p_node);
+	static void _bind_methods();
+public:
+
+	Vector2 snap_point(const Vector2& p_point) const;
+	bool forward_input_event(const InputEvent& p_event);
+	void edit(Node *p_collision_polygon);
+	Polygon2DEditor(EditorNode *p_editor);
+};
+
+class Polygon2DEditorPlugin : public EditorPlugin {
+
+	OBJ_TYPE( Polygon2DEditorPlugin, EditorPlugin );
+
+	Polygon2DEditor *collision_polygon_editor;
+	EditorNode *editor;
+
+public:
+
+	virtual bool forward_input_event(const InputEvent& p_event) { return collision_polygon_editor->forward_input_event(p_event); }
+
+	virtual String get_name() const { return "Polygon2D"; }
+	bool has_main_screen() const { return false; }
+	virtual void edit(Object *p_node);
+	virtual bool handles(Object *p_node) const;
+	virtual void make_visible(bool p_visible);
+
+	Polygon2DEditorPlugin(EditorNode *p_node);
+	~Polygon2DEditorPlugin();
+
+};
+
+#endif // POLYGON_2D_EDITOR_PLUGIN_H