Refactoring: rename tools/editor/ to editor/

The other subfolders of tools/ had already been moved to either
editor/, misc/ or thirdparty/, so the hiding the editor code that
deep was no longer meaningful.

(Manual redo of 49c065d29ca07040c3fd810026121164ad86b247)

1 files changed, 1027 insertions, 0 deletions

diff --git a/editor/plugins/polygon_2d_editor_plugin.cpp b/editor/plugins/polygon_2d_editor_plugin.cpp
new file mode 100644
index 000000000..e823347ff
--- /dev/null
+++ b/editor/plugins/polygon_2d_editor_plugin.cpp
@@ -0,0 +1,1027 @@
+/*************************************************************************/
+/*  polygon_2d_editor_plugin.cpp                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 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 "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"));
+
+			b_snap_grid->set_icon( get_icon("Grid", "EditorIcons"));
+			b_snap_enable->set_icon( get_icon("Snap", "EditorIcons"));
+			uv_icon_zoom->set_texture( get_icon("Zoom", "EditorIcons"));
+
+			get_tree()->connect("node_removed", this, "_node_removed");
+
+		} break;
+		case NOTIFICATION_FIXED_PROCESS: {
+
+
+		} break;
+	}
+
+}
+void Polygon2DEditor::_node_removed(Node *p_node) {
+
+	if(p_node==node) {
+		edit(NULL);
+		hide();
+
+		canvas_item_editor->get_viewport_control()->update();
+	}
+
+}
+
+
+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();
+				return;
+			}
+
+
+			DVector<Vector2> points = node->get_polygon();
+			DVector<Vector2> uvs = node->get_uv();
+			if (uvs.size()!=points.size()) {
+				undo_redo->create_action(TTR("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(TTR("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(TTR("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(TTR("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::_set_use_snap(bool p_use)
+{
+	use_snap=p_use;
+}
+
+void Polygon2DEditor::_set_show_grid(bool p_show)
+{
+	snap_show_grid=p_show;
+	uv_edit_draw->update();
+}
+
+void Polygon2DEditor::_set_snap_off_x(float p_val)
+{
+	snap_offset.x=p_val;
+	uv_edit_draw->update();
+}
+
+void Polygon2DEditor::_set_snap_off_y(float p_val)
+{
+	snap_offset.y=p_val;
+	uv_edit_draw->update();
+}
+
+void Polygon2DEditor::_set_snap_step_x(float p_val)
+{
+	snap_step.x=p_val;
+	uv_edit_draw->update();
+}
+
+void Polygon2DEditor::_set_snap_step_y(float p_val)
+{
+	snap_step.y=p_val;
+	uv_edit_draw->update();
+}
+
+void Polygon2DEditor::_wip_close() {
+
+	undo_redo->create_action(TTR("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) {
+
+	if (node==NULL)
+		return false;
+
+	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=canvas_item_editor->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(TTR("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(TTR("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(TTR("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=canvas_item_editor->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");
+
+	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_from=tuv;
+							uv_drag_index=i;
+						}
+					}
+
+					if (uv_drag_index==-1) {
+						uv_drag=false;
+					}
+
+				}
+			} else if (uv_drag) {
+
+				undo_redo->create_action(TTR("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=snap_point(Vector2(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());
+
+	if (snap_show_grid) {
+		Size2 s = uv_edit_draw->get_size();
+		int last_cell;
+
+		if (snap_step.x!=0) {
+			for(int i=0;i<s.width;i++) {
+				int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(i,0)).x-snap_offset.x)/snap_step.x));
+				if (i==0)
+					last_cell=cell;
+				if (last_cell!=cell)
+					uv_edit_draw->draw_line(Point2(i,0),Point2(i,s.height),Color(0.3,0.7,1,0.3));
+				last_cell=cell;
+			}
+		}
+
+		if (snap_step.y!=0) {
+			for(int i=0;i<s.height;i++) {
+				int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(0,i)).y-snap_offset.y)/snap_step.y));
+				if (i==0)
+					last_cell=cell;
+				if (last_cell!=cell)
+					uv_edit_draw->draw_line(Point2(0,i),Point2(s.width,i),Color(0.3,0.7,1,0.3));
+				last_cell=cell;
+			}
+		}
+	}
+
+	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);
+	ObjectTypeDB::bind_method(_MD("_node_removed"),&Polygon2DEditor::_node_removed);
+	ObjectTypeDB::bind_method(_MD("_set_use_snap"),&Polygon2DEditor::_set_use_snap);
+	ObjectTypeDB::bind_method(_MD("_set_show_grid"),&Polygon2DEditor::_set_show_grid);
+	ObjectTypeDB::bind_method(_MD("_set_snap_off_x"),&Polygon2DEditor::_set_snap_off_x);
+	ObjectTypeDB::bind_method(_MD("_set_snap_off_y"),&Polygon2DEditor::_set_snap_off_y);
+	ObjectTypeDB::bind_method(_MD("_set_snap_step_x"),&Polygon2DEditor::_set_snap_step_x);
+	ObjectTypeDB::bind_method(_MD("_set_snap_step_y"),&Polygon2DEditor::_set_snap_step_y);
+
+
+}
+
+inline float _snap_scalar(float p_offset, float p_step, float p_target) {
+	return p_step != 0 ? Math::stepify(p_target - p_offset, p_step) + p_offset : p_target;
+}
+
+Vector2 Polygon2DEditor::snap_point(Vector2 p_target) const {
+	if (use_snap) {
+		p_target.x = _snap_scalar(snap_offset.x*uv_draw_zoom-uv_draw_ofs.x, snap_step.x*uv_draw_zoom, p_target.x);
+		p_target.y = _snap_scalar(snap_offset.y*uv_draw_zoom-uv_draw_ofs.y, snap_step.y*uv_draw_zoom, p_target.y);
+	}
+
+	return p_target;
+}
+
+Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) {
+
+	node=NULL;
+	canvas_item_editor=NULL;
+	editor=p_editor;
+	undo_redo = editor->get_undo_redo();
+
+	snap_step=Vector2(10,10);
+	use_snap=false;
+	snap_show_grid=false;
+
+	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(TTR("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(TTR("Move Point")+"\n"+TTR("Ctrl: Rotate")+"\n"+TTR("Shift: Move All")+"\n"+TTR("Shift+Ctrl: Scale"));
+	uv_button[1]->set_tooltip(TTR("Move Polygon"));
+	uv_button[2]->set_tooltip(TTR("Rotate Polygon"));
+	uv_button[3]->set_tooltip(TTR("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(TTR("Edit"));
+	uv_menu->get_popup()->add_item(TTR("Polygon->UV"),UVEDIT_POLYGON_TO_UV);
+	uv_menu->get_popup()->add_item(TTR("UV->Polygon"),UVEDIT_UV_TO_POLYGON);
+	uv_menu->get_popup()->add_separator();
+	uv_menu->get_popup()->add_item(TTR("Clear UV"),UVEDIT_UV_CLEAR);
+	uv_menu->get_popup()->connect("item_pressed",this,"_menu_option");
+
+	uv_mode_hb->add_child( memnew( VSeparator ));
+
+	b_snap_enable = memnew( ToolButton );
+	uv_mode_hb->add_child(b_snap_enable);
+	b_snap_enable->set_text(TTR("Snap"));
+	b_snap_enable->set_focus_mode(FOCUS_NONE);
+	b_snap_enable->set_toggle_mode(true);
+	b_snap_enable->set_pressed(use_snap);
+	b_snap_enable->set_tooltip(TTR("Enable Snap"));
+	b_snap_enable->connect("toggled",this,"_set_use_snap");
+
+	b_snap_grid = memnew( ToolButton );
+	uv_mode_hb->add_child(b_snap_grid);
+	b_snap_grid->set_text(TTR("Grid"));
+	b_snap_grid->set_focus_mode(FOCUS_NONE);
+	b_snap_grid->set_toggle_mode(true);
+	b_snap_grid->set_pressed(snap_show_grid);
+	b_snap_grid->set_tooltip(TTR("Show Grid"));
+	b_snap_grid->connect("toggled",this,"_set_show_grid");
+
+	uv_mode_hb->add_child( memnew( VSeparator ));
+	uv_mode_hb->add_child( memnew( Label(TTR("Grid Offset:")) ) );
+
+	SpinBox *sb_off_x = memnew( SpinBox );
+	sb_off_x->set_min(-256);
+	sb_off_x->set_max(256);
+	sb_off_x->set_step(1);
+	sb_off_x->set_val(snap_offset.x);
+	sb_off_x->set_suffix("px");
+	sb_off_x->connect("value_changed", this, "_set_snap_off_x");
+	uv_mode_hb->add_child(sb_off_x);
+
+	SpinBox *sb_off_y = memnew( SpinBox );
+	sb_off_y->set_min(-256);
+	sb_off_y->set_max(256);
+	sb_off_y->set_step(1);
+	sb_off_y->set_val(snap_offset.y);
+	sb_off_y->set_suffix("px");
+	sb_off_y->connect("value_changed", this, "_set_snap_off_y");
+	uv_mode_hb->add_child(sb_off_y);
+
+	uv_mode_hb->add_child( memnew( VSeparator ));
+	uv_mode_hb->add_child( memnew( Label(TTR("Grid Step:")) ) );
+
+	SpinBox *sb_step_x = memnew( SpinBox );
+	sb_step_x->set_min(-256);
+	sb_step_x->set_max(256);
+	sb_step_x->set_step(1);
+	sb_step_x->set_val(snap_step.x);
+	sb_step_x->set_suffix("px");
+	sb_step_x->connect("value_changed", this, "_set_snap_step_x");
+	uv_mode_hb->add_child(sb_step_x);
+
+	SpinBox *sb_step_y = memnew( SpinBox );
+	sb_step_y->set_min(-256);
+	sb_step_y->set_max(256);
+	sb_step_y->set_step(1);
+	sb_step_y->set_val(snap_step.y);
+	sb_step_y->set_suffix("px");
+	sb_step_y->connect("value_changed", this, "_set_snap_step_y");
+	uv_mode_hb->add_child(sb_step_y);
+
+	uv_mode_hb->add_child( memnew( VSeparator ));
+	uv_icon_zoom = memnew( TextureFrame );
+	uv_mode_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()
+{
+}
+