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, 1010 insertions, 0 deletions

diff --git a/editor/plugins/texture_region_editor_plugin.cpp b/editor/plugins/texture_region_editor_plugin.cpp
new file mode 100644
index 000000000..3b9b38700
--- /dev/null
+++ b/editor/plugins/texture_region_editor_plugin.cpp
@@ -0,0 +1,1010 @@
+/*************************************************************************/
+/*  texture_region_editor_plugin.cpp                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Author: Mariano Suligoy                                               */
+/*                                                                       */
+/* 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 "core/core_string_names.h"
+#include "texture_region_editor_plugin.h"
+#include "scene/gui/check_box.h"
+#include "os/input.h"
+#include "os/keyboard.h"
+
+void draw_margin_line(Control *edit_draw, Vector2 from, Vector2 to){
+	Vector2 line = (to-from).normalized() * 10;
+	while ((to - from).length_squared() > 200) {
+		edit_draw->draw_line(from, from + line,Color(0.97, 0.2, 0.2),2);
+		from += line*2;
+	}
+}
+
+void TextureRegionEditor::_region_draw()
+{
+	Ref<Texture> base_tex = NULL;
+	if(node_sprite)
+		base_tex = node_sprite->get_texture();
+	else if(node_patch9)
+		base_tex = node_patch9->get_texture();
+	else if(obj_styleBox.is_valid())
+		base_tex = obj_styleBox->get_texture();
+	else if(atlas_tex.is_valid())
+		base_tex = atlas_tex->get_atlas();
+	if (base_tex.is_null())
+		return;
+
+	Matrix32 mtx;
+	mtx.elements[2]=-draw_ofs;
+	mtx.scale_basis(Vector2(draw_zoom,draw_zoom));
+
+	VS::get_singleton()->canvas_item_set_clip(edit_draw->get_canvas_item(),true);
+	VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(),mtx);
+	edit_draw->draw_texture(base_tex,Point2());
+	VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(),Matrix32());
+
+	if (snap_mode == SNAP_GRID) {
+		Size2 s = edit_draw->get_size();
+		int last_cell;
+
+		if (snap_step.x!=0) {
+			if (snap_separation.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)
+						edit_draw->draw_line(Point2(i,0),Point2(i,s.height),Color(0.3,0.7,1,0.3));
+					last_cell=cell;
+				}
+			else
+				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+snap_separation.x)));
+					if (i==0)
+						last_cell=cell;
+					if (last_cell!=cell)
+						edit_draw->draw_rect(Rect2(i-snap_separation.x*draw_zoom,0,snap_separation.x*draw_zoom,s.height),Color(0.3,0.7,1,0.3));
+					last_cell=cell;
+				}
+		}
+
+		if (snap_step.y!=0) {
+			if (snap_separation.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)
+						edit_draw->draw_line(Point2(0,i),Point2(s.width,i),Color(0.3,0.7,1,0.3));
+					last_cell=cell;
+				}
+			else
+				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+snap_separation.y)));
+					if (i==0)
+						last_cell=cell;
+					if (last_cell!=cell)
+						edit_draw->draw_rect(Rect2(0,i-snap_separation.y*draw_zoom,s.width,snap_separation.y*draw_zoom),Color(0.3,0.7,1,0.3));
+					last_cell=cell;
+				}
+		}
+	} else if (snap_mode == SNAP_AUTOSLICE) {
+		for (List<Rect2>::Element *E = autoslice_cache.front();E;E=E->next()) {
+			Rect2 r = E->get();
+			Vector2 endpoints[4]={
+				mtx.basis_xform(r.pos),
+				mtx.basis_xform(r.pos+Vector2(r.size.x,0)),
+				mtx.basis_xform(r.pos+r.size),
+				mtx.basis_xform(r.pos+Vector2(0,r.size.y))
+			};
+			for(int i=0;i<4;i++) {
+				int next = (i+1)%4;
+				edit_draw->draw_line(endpoints[i]-draw_ofs, endpoints[next]-draw_ofs, Color(0.3,0.7,1,1) , 2);
+			}
+		}
+	}
+
+	Ref<Texture> select_handle = get_icon("EditorHandle","EditorIcons");
+
+	Rect2 scroll_rect(Point2(),mtx.basis_xform(base_tex->get_size()));
+	scroll_rect.expand_to(mtx.basis_xform(edit_draw->get_size()));
+
+	Vector2 endpoints[4]={
+		mtx.basis_xform(rect.pos),
+		mtx.basis_xform(rect.pos+Vector2(rect.size.x,0)),
+		mtx.basis_xform(rect.pos+rect.size),
+		mtx.basis_xform(rect.pos+Vector2(0,rect.size.y))
+	};
+	Color color(0.9,0.5,0.5);
+	for(int i=0;i<4;i++) {
+
+		int prev = (i+3)%4;
+		int next = (i+1)%4;
+
+		Vector2 ofs = ((endpoints[i] - endpoints[prev]).normalized() + ((endpoints[i] - endpoints[next]).normalized())).normalized();
+		ofs*=1.4144*(select_handle->get_size().width/2);
+
+		edit_draw->draw_line(endpoints[i]-draw_ofs, endpoints[next]-draw_ofs, color , 2);
+
+		if (snap_mode != SNAP_AUTOSLICE)
+			edit_draw->draw_texture(select_handle,(endpoints[i]+ofs-(select_handle->get_size()/2)).floor()-draw_ofs);
+
+		ofs = (endpoints[next]-endpoints[i])/2;
+		ofs += (endpoints[next]-endpoints[i]).tangent().normalized()*(select_handle->get_size().width/2);
+
+		if (snap_mode != SNAP_AUTOSLICE)
+			edit_draw->draw_texture(select_handle,(endpoints[i]+ofs-(select_handle->get_size()/2)).floor()-draw_ofs);
+
+		scroll_rect.expand_to(endpoints[i]);
+	}
+
+	scroll_rect=scroll_rect.grow(200);
+	updating_scroll=true;
+	hscroll->set_min(scroll_rect.pos.x);
+	hscroll->set_max(scroll_rect.pos.x+scroll_rect.size.x);
+	hscroll->set_page(edit_draw->get_size().x);
+	hscroll->set_val(draw_ofs.x);
+	hscroll->set_step(0.001);
+
+	vscroll->set_min(scroll_rect.pos.y);
+	vscroll->set_max(scroll_rect.pos.y+scroll_rect.size.y);
+	vscroll->set_page(edit_draw->get_size().y);
+	vscroll->set_val(draw_ofs.y);
+	vscroll->set_step(0.001);
+	updating_scroll=false;
+
+	float margins[4];
+	if (node_patch9 || obj_styleBox.is_valid()) {
+		if (node_patch9) {
+			margins[0] = node_patch9->get_patch_margin(MARGIN_TOP);
+			margins[1] = node_patch9->get_patch_margin(MARGIN_BOTTOM);
+			margins[2] = node_patch9->get_patch_margin(MARGIN_LEFT);
+			margins[3] = node_patch9->get_patch_margin(MARGIN_RIGHT);
+		} else if (obj_styleBox.is_valid()) {
+			margins[0] = obj_styleBox->get_margin_size(MARGIN_TOP);
+			margins[1] = obj_styleBox->get_margin_size(MARGIN_BOTTOM);
+			margins[2] = obj_styleBox->get_margin_size(MARGIN_LEFT);
+			margins[3] = obj_styleBox->get_margin_size(MARGIN_RIGHT);
+		}
+		Vector2 pos[4] = {
+			mtx.basis_xform(Vector2(0,margins[0]))+Vector2(0,endpoints[0].y-draw_ofs.y),
+			-mtx.basis_xform(Vector2(0,margins[1]))+Vector2(0,endpoints[2].y-draw_ofs.y),
+			mtx.basis_xform(Vector2(margins[2],0))+Vector2(endpoints[0].x-draw_ofs.x,0),
+			-mtx.basis_xform(Vector2(margins[3],0))+Vector2(endpoints[2].x-draw_ofs.x,0)};
+
+		draw_margin_line(edit_draw,pos[0],pos[0]+Vector2(edit_draw->get_size().x,0));
+		draw_margin_line(edit_draw,pos[1],pos[1]+Vector2(edit_draw->get_size().x,0));
+		draw_margin_line(edit_draw,pos[2],pos[2]+Vector2(0,edit_draw->get_size().y));
+		draw_margin_line(edit_draw,pos[3],pos[3]+Vector2(0,edit_draw->get_size().y));
+	}
+}
+
+void TextureRegionEditor::_region_input(const InputEvent& p_input)
+{
+	Matrix32 mtx;
+	mtx.elements[2]=-draw_ofs;
+	mtx.scale_basis(Vector2(draw_zoom,draw_zoom));
+
+	Vector2 endpoints[8]={
+		mtx.xform(rect.pos)+Vector2(-4,-4),
+		mtx.xform(rect.pos+Vector2(rect.size.x/2,0))+Vector2(0,-4),
+		mtx.xform(rect.pos+Vector2(rect.size.x,0))+Vector2(4,-4),
+		mtx.xform(rect.pos+Vector2(rect.size.x,rect.size.y/2))+Vector2(4,0),
+		mtx.xform(rect.pos+rect.size)+Vector2(4,4),
+		mtx.xform(rect.pos+Vector2(rect.size.x/2,rect.size.y))+Vector2(0,4),
+		mtx.xform(rect.pos+Vector2(0,rect.size.y))+Vector2(-4,4),
+		mtx.xform(rect.pos+Vector2(0,rect.size.y/2))+Vector2(-4,0)
+	};
+
+	if (p_input.type==InputEvent::MOUSE_BUTTON) {
+
+		const InputEventMouseButton &mb=p_input.mouse_button;
+
+		if (mb.button_index==BUTTON_LEFT) {
+
+			if (mb.pressed) {
+				if (node_patch9 || obj_styleBox.is_valid()) {
+					edited_margin = -1;
+					float margins[4];
+					if (node_patch9) {
+						margins[0] = node_patch9->get_patch_margin(MARGIN_TOP);
+						margins[1] = node_patch9->get_patch_margin(MARGIN_BOTTOM);
+						margins[2] = node_patch9->get_patch_margin(MARGIN_LEFT);
+						margins[3] = node_patch9->get_patch_margin(MARGIN_RIGHT);
+					} else if (obj_styleBox.is_valid()) {
+						margins[0] = obj_styleBox->get_margin_size(MARGIN_TOP);
+						margins[1] = obj_styleBox->get_margin_size(MARGIN_BOTTOM);
+						margins[2] = obj_styleBox->get_margin_size(MARGIN_LEFT);
+						margins[3] = obj_styleBox->get_margin_size(MARGIN_RIGHT);
+					}
+					Vector2 pos[4] = {
+						mtx.basis_xform(rect.pos+Vector2(0,margins[0]))-draw_ofs,
+						mtx.basis_xform(rect.pos+rect.size-Vector2(0,margins[1]))-draw_ofs,
+						mtx.basis_xform(rect.pos+Vector2(margins[2],0))-draw_ofs,
+						mtx.basis_xform(rect.pos+rect.size-Vector2(margins[3],0))-draw_ofs};
+					if (Math::abs(mb.y - pos[0].y) < 8) {
+						edited_margin = 0;
+						prev_margin = margins[0];
+					} else if (Math::abs(mb.y - pos[1].y) < 8) {
+						edited_margin = 1;
+						prev_margin = margins[1];
+					} else if (Math::abs(mb.x - pos[2].x) < 8) {
+						edited_margin = 2;
+						prev_margin = margins[2];
+					} else if (Math::abs(mb.x - pos[3].x) < 8) {
+						edited_margin = 3;
+						prev_margin = margins[3];
+					}
+					if (edited_margin >= 0) {
+						drag_from=Vector2(mb.x,mb.y);
+						drag=true;
+					}
+				}
+				if ( edited_margin < 0 && snap_mode == SNAP_AUTOSLICE) {
+					Vector2 point = mtx.affine_inverse().xform(Vector2(mb.x,mb.y));
+					for (List<Rect2>::Element *E=autoslice_cache.front();E;E=E->next()) {
+						if (E->get().has_point(point)) {
+							rect = E->get();
+							if (Input::get_singleton()->is_key_pressed(KEY_CONTROL)&&!(Input::get_singleton()->is_key_pressed(KEY_SHIFT|KEY_ALT))) {
+								Rect2 r;
+								if(node_sprite )
+									r=node_sprite->get_region_rect();
+								else if(node_patch9)
+									r=node_patch9->get_region_rect();
+								else if(obj_styleBox.is_valid())
+									r=obj_styleBox->get_region_rect();
+								else if(atlas_tex.is_valid())
+									r =atlas_tex->get_region();
+								rect.expand_to(r.pos);
+								rect.expand_to(r.pos+r.size);
+							}
+							undo_redo->create_action("Set Region Rect");
+							if(node_sprite){
+								undo_redo->add_do_method(node_sprite ,"set_region_rect",rect);
+								undo_redo->add_undo_method(node_sprite,"set_region_rect",node_sprite->get_region_rect());
+							} else if(node_patch9){
+								undo_redo->add_do_method(node_patch9 ,"set_region_rect",rect);
+								undo_redo->add_undo_method(node_patch9,"set_region_rect",node_patch9->get_region_rect());
+							} else if (obj_styleBox.is_valid()) {
+								undo_redo->add_do_method(obj_styleBox.ptr(),"set_region_rect",rect);
+								undo_redo->add_undo_method(obj_styleBox.ptr(),"set_region_rect",obj_styleBox->get_region_rect());
+							} else if (atlas_tex.is_valid()) {
+								undo_redo->add_do_method(atlas_tex.ptr(),"set_region",rect);
+								undo_redo->add_undo_method(atlas_tex.ptr(),"set_region",atlas_tex->get_region());
+							}
+							undo_redo->add_do_method(edit_draw,"update");
+							undo_redo->add_undo_method(edit_draw,"update");
+							undo_redo->commit_action();
+							break;
+						}
+					}
+				} else if (edited_margin < 0) {
+					drag_from=mtx.affine_inverse().xform(Vector2(mb.x,mb.y));
+					if (snap_mode == SNAP_PIXEL)
+						drag_from = drag_from.snapped(Vector2(1,1));
+					else if (snap_mode == SNAP_GRID)
+						drag_from=snap_point(drag_from);
+					drag=true;
+					if(node_sprite )
+						rect_prev=node_sprite->get_region_rect();
+					else if(node_patch9)
+						rect_prev=node_patch9->get_region_rect();
+					else if(obj_styleBox.is_valid())
+						rect_prev=obj_styleBox->get_region_rect();
+					else if(atlas_tex.is_valid())
+						rect_prev=atlas_tex->get_region();
+
+					for (int i=0; i<8;i++) {
+						Vector2 tuv=endpoints[i];
+						if (tuv.distance_to(Vector2(mb.x,mb.y))<8) {
+							drag_index=i;
+						}
+					}
+
+					if (drag_index==-1) {
+						creating = true;
+						rect = Rect2(drag_from,Size2());
+					}
+				}
+
+			} else if (drag) {
+				if (edited_margin >= 0) {
+					undo_redo->create_action("Set Margin");
+					static Margin  m[4] = {MARGIN_TOP,MARGIN_BOTTOM,MARGIN_LEFT,MARGIN_RIGHT};
+					if (node_patch9) {
+						undo_redo->add_do_method(node_patch9 ,"set_patch_margin",m[edited_margin],node_patch9->get_patch_margin(m[edited_margin]));
+						undo_redo->add_undo_method(node_patch9,"set_patch_margin",m[edited_margin],prev_margin);
+					} else if (obj_styleBox.is_valid()) {
+						undo_redo->add_do_method(obj_styleBox.ptr() ,"set_margin_size",m[edited_margin],obj_styleBox->get_margin_size(m[edited_margin]));
+						undo_redo->add_undo_method(obj_styleBox.ptr(),"set_margin_size",m[edited_margin],prev_margin);
+						obj_styleBox->emit_signal(CoreStringNames::get_singleton()->changed);
+					}
+					edited_margin = -1;
+				} else {
+					undo_redo->create_action("Set Region Rect");
+					if(node_sprite){
+						undo_redo->add_do_method(node_sprite ,"set_region_rect",node_sprite->get_region_rect());
+						undo_redo->add_undo_method(node_sprite,"set_region_rect",rect_prev);
+					}
+					else if(atlas_tex.is_valid()){
+						undo_redo->add_do_method(atlas_tex.ptr() ,"set_region",atlas_tex->get_region());
+						undo_redo->add_undo_method(atlas_tex.ptr(),"set_region",rect_prev);
+					}
+					else if(node_patch9){
+					} else if(node_patch9){
+						undo_redo->add_do_method(node_patch9 ,"set_region_rect",node_patch9->get_region_rect());
+						undo_redo->add_undo_method(node_patch9,"set_region_rect",rect_prev);
+					} else if (obj_styleBox.is_valid()) {
+						undo_redo->add_do_method(obj_styleBox.ptr() ,"set_region_rect",obj_styleBox->get_region_rect());
+						undo_redo->add_undo_method(obj_styleBox.ptr(),"set_region_rect",rect_prev);
+					}
+					drag_index = -1;
+				}
+				undo_redo->add_do_method(edit_draw,"update");
+				undo_redo->add_undo_method(edit_draw,"update");
+				undo_redo->commit_action();
+				drag=false;
+				creating = false;
+			}
+
+		} else if (mb.button_index==BUTTON_RIGHT && mb.pressed) {
+
+			if (drag) {
+				drag=false;
+				if (edited_margin >= 0) {
+					static Margin  m[4] = {MARGIN_TOP,MARGIN_BOTTOM,MARGIN_LEFT,MARGIN_RIGHT};
+					if (node_patch9)
+						node_patch9->set_patch_margin(m[edited_margin],prev_margin);
+					if (obj_styleBox.is_valid())
+						obj_styleBox->set_margin_size(m[edited_margin],prev_margin);
+					edited_margin = -1;
+				} else {
+					apply_rect(rect_prev);
+					rect=rect_prev;
+					edit_draw->update();
+					drag_index = -1;
+				}
+			}
+		} else if (mb.button_index == BUTTON_WHEEL_UP && mb.pressed) {
+			_zoom_in();
+		} else if (mb.button_index == BUTTON_WHEEL_DOWN && mb.pressed) {
+			_zoom_out();
+		}
+	} 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 draged(mm.relative_x,mm.relative_y);
+			hscroll->set_val( hscroll->get_val()-draged.x );
+			vscroll->set_val( vscroll->get_val()-draged.y );
+
+		} else if (drag) {
+
+			if (edited_margin >= 0) {
+				float new_margin;
+				if (edited_margin == 0)
+					new_margin = prev_margin + (mm.y-drag_from.y) / draw_zoom;
+				else if (edited_margin == 1)
+					new_margin = prev_margin - (mm.y-drag_from.y) / draw_zoom;
+				else if (edited_margin == 2)
+					new_margin = prev_margin + (mm.x-drag_from.x) / draw_zoom;
+				else if (edited_margin == 3)
+					new_margin = prev_margin - (mm.x-drag_from.x) / draw_zoom;
+				if (new_margin < 0)
+					new_margin = 0;
+				static Margin  m[4] = {MARGIN_TOP,MARGIN_BOTTOM,MARGIN_LEFT,MARGIN_RIGHT};
+				if (node_patch9)
+					node_patch9->set_patch_margin(m[edited_margin],new_margin);
+				if (obj_styleBox.is_valid())
+					obj_styleBox->set_margin_size(m[edited_margin],new_margin);
+			} else {
+				Vector2 new_pos = mtx.affine_inverse().xform(Vector2(mm.x,mm.y));
+				if (snap_mode == SNAP_PIXEL)
+					new_pos = new_pos.snapped(Vector2(1,1));
+				else if (snap_mode == SNAP_GRID)
+					new_pos=snap_point(new_pos);
+
+				if (creating) {
+					rect = Rect2(drag_from,Size2());
+					rect.expand_to(new_pos);
+					apply_rect(rect);
+					edit_draw->update();
+					return;
+				}
+
+				switch(drag_index) {
+				case 0: {
+						Vector2 p=rect_prev.pos+rect_prev.size;
+						rect = Rect2(p,Size2());
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 1: {
+						Vector2 p=rect_prev.pos+Vector2(0,rect_prev.size.y);
+						rect = Rect2(p,Size2(rect_prev.size.x,0));
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 2: {
+						Vector2 p=rect_prev.pos+Vector2(0,rect_prev.size.y);
+						rect = Rect2(p,Size2());
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 3: {
+						Vector2 p=rect_prev.pos;
+						rect = Rect2(p,Size2(0,rect_prev.size.y));
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 4: {
+						Vector2 p=rect_prev.pos;
+						rect = Rect2(p,Size2());
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 5: {
+						Vector2 p=rect_prev.pos;
+						rect = Rect2(p,Size2(rect_prev.size.x,0));
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 6: {
+						Vector2 p=rect_prev.pos+Vector2(rect_prev.size.x,0);
+						rect = Rect2(p,Size2());
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+				case 7: {
+						Vector2 p=rect_prev.pos+Vector2(rect_prev.size.x,0);
+						rect = Rect2(p,Size2(0,rect_prev.size.y));
+						rect.expand_to(new_pos);
+						apply_rect(rect);
+					} break;
+
+				}
+			}
+			edit_draw->update();
+		}
+
+	}
+}
+
+void TextureRegionEditor::_scroll_changed(float)
+{
+	if (updating_scroll)
+		return;
+
+	draw_ofs.x=hscroll->get_val();
+	draw_ofs.y=vscroll->get_val();
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_mode(int p_mode)
+{
+	snap_mode_button->get_popup()->set_item_checked(snap_mode,false);
+	snap_mode = p_mode;
+	snap_mode_button->set_text(snap_mode_button->get_popup()->get_item_text(p_mode));
+	snap_mode_button->get_popup()->set_item_checked(snap_mode,true);
+
+	if (snap_mode == SNAP_GRID)
+		hb_grid->show();
+	else
+		hb_grid->hide();
+
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_off_x(float p_val)
+{
+	snap_offset.x=p_val;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_off_y(float p_val)
+{
+	snap_offset.y=p_val;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_step_x(float p_val)
+{
+	snap_step.x=p_val;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_step_y(float p_val)
+{
+	snap_step.y=p_val;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_sep_x(float p_val)
+{
+	snap_separation.x = p_val;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_set_snap_sep_y(float p_val)
+{
+	snap_separation.y = p_val;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_zoom_in()
+{
+	if (draw_zoom < 8) {
+		draw_zoom *= 2;
+		edit_draw->update();
+	}
+}
+
+void TextureRegionEditor::_zoom_reset()
+{
+	if (draw_zoom == 1) return;
+	draw_zoom = 1;
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_zoom_out()
+{
+	if (draw_zoom > 0.25) {
+		draw_zoom /= 2;
+		edit_draw->update();
+	}
+}
+
+void TextureRegionEditor::apply_rect(const Rect2& rect){
+	if(node_sprite)
+		node_sprite->set_region_rect(rect);
+	else if(node_patch9)
+		node_patch9->set_region_rect(rect);
+	else if(obj_styleBox.is_valid())
+		obj_styleBox->set_region_rect(rect);
+	else if(atlas_tex.is_valid())
+		atlas_tex->set_region(rect);
+}
+
+void TextureRegionEditor::_notification(int p_what)
+{
+	switch(p_what) {
+	case NOTIFICATION_READY: {
+			zoom_out->set_icon(get_icon("ZoomLess", "EditorIcons"));
+			zoom_reset->set_icon(get_icon("ZoomReset", "EditorIcons"));
+			zoom_in->set_icon(get_icon("ZoomMore", "EditorIcons"));
+			icon_zoom->set_texture( get_icon("Zoom", "EditorIcons"));
+		} break;
+	}
+}
+
+void TextureRegionEditor::_node_removed(Object *p_obj)
+{
+	if(p_obj == node_sprite || p_obj == node_patch9 || p_obj == obj_styleBox.ptr() || p_obj == atlas_tex.ptr()) {
+		node_patch9 = NULL;
+		node_sprite = NULL;
+		obj_styleBox = Ref<StyleBox>(NULL);
+		atlas_tex = Ref<AtlasTexture>(NULL);
+		hide();
+	}
+}
+
+void TextureRegionEditor::_bind_methods()
+{
+	ObjectTypeDB::bind_method(_MD("_edit_region"),&TextureRegionEditor::_edit_region);
+	ObjectTypeDB::bind_method(_MD("_region_draw"),&TextureRegionEditor::_region_draw);
+	ObjectTypeDB::bind_method(_MD("_region_input"),&TextureRegionEditor::_region_input);
+	ObjectTypeDB::bind_method(_MD("_scroll_changed"),&TextureRegionEditor::_scroll_changed);
+	ObjectTypeDB::bind_method(_MD("_node_removed"),&TextureRegionEditor::_node_removed);
+	ObjectTypeDB::bind_method(_MD("_set_snap_mode"),&TextureRegionEditor::_set_snap_mode);
+	ObjectTypeDB::bind_method(_MD("_set_snap_off_x"),&TextureRegionEditor::_set_snap_off_x);
+	ObjectTypeDB::bind_method(_MD("_set_snap_off_y"),&TextureRegionEditor::_set_snap_off_y);
+	ObjectTypeDB::bind_method(_MD("_set_snap_step_x"),&TextureRegionEditor::_set_snap_step_x);
+	ObjectTypeDB::bind_method(_MD("_set_snap_step_y"),&TextureRegionEditor::_set_snap_step_y);
+	ObjectTypeDB::bind_method(_MD("_set_snap_sep_x"),&TextureRegionEditor::_set_snap_sep_x);
+	ObjectTypeDB::bind_method(_MD("_set_snap_sep_y"),&TextureRegionEditor::_set_snap_sep_y);
+	ObjectTypeDB::bind_method(_MD("_zoom_in"),&TextureRegionEditor::_zoom_in);
+	ObjectTypeDB::bind_method(_MD("_zoom_reset"),&TextureRegionEditor::_zoom_reset);
+	ObjectTypeDB::bind_method(_MD("_zoom_out"),&TextureRegionEditor::_zoom_out);
+}
+
+void TextureRegionEditor::edit(Object *p_obj)
+{
+	if (node_sprite && node_sprite->is_connected("texture_changed",this,"_edit_region"))
+		node_sprite->disconnect("texture_changed",this,"_edit_region");
+	if (node_patch9 && node_patch9->is_connected("texture_changed",this,"_edit_region"))
+		node_patch9->disconnect("texture_changed",this,"_edit_region");
+	if (obj_styleBox.is_valid() && obj_styleBox->is_connected("texture_changed",this,"_edit_region"))
+		obj_styleBox->disconnect("texture_changed",this,"_edit_region");
+	if (atlas_tex.is_valid() && atlas_tex->is_connected("atlas_changed",this,"_edit_region"))
+		atlas_tex->disconnect("atlas_changed",this,"_edit_region");
+	if (p_obj) {
+		node_sprite = p_obj->cast_to<Sprite>();
+		node_patch9 = p_obj->cast_to<Patch9Frame>();
+		if (p_obj->cast_to<StyleBoxTexture>())
+			obj_styleBox = Ref<StyleBoxTexture>(p_obj->cast_to<StyleBoxTexture>());
+		if (p_obj->cast_to<AtlasTexture>()) {
+			atlas_tex = Ref<AtlasTexture>(p_obj->cast_to<AtlasTexture>());
+			atlas_tex->connect("atlas_changed",this,"_edit_region");
+		} else {
+			p_obj->connect("texture_changed",this,"_edit_region");
+		}
+		p_obj->add_change_receptor(this);
+		p_obj->connect("exit_tree",this,"_node_removed",varray(p_obj),CONNECT_ONESHOT);
+		_edit_region();
+	} else {
+		if(node_sprite)
+			node_sprite->disconnect("exit_tree",this,"_node_removed");
+		else if(node_patch9)
+			node_patch9->disconnect("exit_tree",this,"_node_removed");
+		else if(obj_styleBox.is_valid())
+			obj_styleBox->disconnect("exit_tree",this,"_node_removed");
+		else if(atlas_tex.is_valid())
+			atlas_tex->disconnect("exit_tree",this,"_node_removed");
+
+		node_sprite = NULL;
+		node_patch9 = NULL;
+		obj_styleBox = Ref<StyleBoxTexture>(NULL);
+		atlas_tex = Ref<AtlasTexture>(NULL);
+	}
+	edit_draw->update();
+}
+
+void TextureRegionEditor::_changed_callback(Object *p_changed, const char *p_prop) {
+	if ((String)p_prop == "region_rect") {
+		_edit_region();
+	}
+}
+
+void TextureRegionEditor::_edit_region()
+{
+	Ref<Texture> texture = NULL;
+	if(node_sprite )
+		texture = node_sprite->get_texture();
+	else if(node_patch9 )
+		texture = node_patch9->get_texture();
+	else if(obj_styleBox.is_valid())
+		texture = obj_styleBox->get_texture();
+	else if(atlas_tex.is_valid())
+		texture = atlas_tex->get_atlas();
+
+	if (texture.is_null()) {
+		return;
+	}
+
+	autoslice_cache.clear();
+	Image i;
+	if (i.load(texture->get_path()) == OK) {
+		BitMap bm;
+		bm.create_from_image_alpha(i);
+		for (int y = 0; y < i.get_height(); y++) {
+			for (int x = 0; x < i.get_width(); x++) {
+				if (bm.get_bit(Point2(x,y))) {
+					bool found = false;
+					for (List<Rect2>::Element *E = autoslice_cache.front(); E; E=E->next()) {
+						Rect2 grown = E->get().grow(1.5);
+						if (grown.has_point(Point2(x,y))) {
+							E->get().expand_to(Point2(x,y));
+							E->get().expand_to(Point2(x+1,y+1));
+							x = E->get().pos.x+E->get().size.x-1;
+							bool merged = true;
+							while (merged) {
+								merged = false;
+								bool queue_erase = false;
+								for (List<Rect2>::Element *F = autoslice_cache.front(); F; F=F->next()) {
+									if (queue_erase){
+										autoslice_cache.erase(F->prev());
+										queue_erase = false;
+									}
+									if (F==E)
+										continue;
+									if (E->get().grow(1).intersects(F->get())) {
+										E->get().expand_to(F->get().pos);
+										E->get().expand_to(F->get().pos+F->get().size);
+										if (F->prev()) {
+											F=F->prev();
+											autoslice_cache.erase(F->next());
+										} else {
+											queue_erase = true;
+											//Cant delete the first rect in the list.
+										}
+										merged = true;
+									}
+								}
+							}
+							found = true;
+							break;
+						}
+					}
+					if (!found) {
+						Rect2 new_rect(x,y,1,1);
+						autoslice_cache.push_back(new_rect);
+					}
+				}
+			}
+		}
+	}
+
+
+	if(node_sprite )
+		rect = node_sprite->get_region_rect();
+	else if(node_patch9 )
+		rect = node_patch9->get_region_rect();
+	else if(obj_styleBox.is_valid())
+		rect = obj_styleBox->get_region_rect();
+	else if (atlas_tex.is_valid())
+		rect = atlas_tex->get_region();
+
+	edit_draw->update();
+}
+
+inline float _snap_scalar(float p_offset, float p_step, float separation, float p_target) {
+	if (p_step != 0) {
+		float a = Math::stepify(p_target - p_offset, p_step+separation) + p_offset;
+		float b = a;
+		if (p_target >= 0)
+			b -= separation;
+		else
+			b += p_step;
+		return (Math::abs(p_target-a) < Math::abs(p_target-b)) ? a : b;
+	}
+	return p_target;
+}
+
+Vector2 TextureRegionEditor::snap_point(Vector2 p_target) const {
+	if (snap_mode == SNAP_GRID) {
+		p_target.x = _snap_scalar(snap_offset.x, snap_step.x, snap_separation.x, p_target.x);
+		p_target.y = _snap_scalar(snap_offset.y, snap_step.y, snap_separation.y, p_target.y);
+	}
+
+	return p_target;
+}
+
+TextureRegionEditor::TextureRegionEditor(EditorNode* p_editor)
+{
+	node_sprite = NULL;
+	node_patch9 = NULL;
+	obj_styleBox = Ref<StyleBoxTexture>(NULL);
+	atlas_tex = Ref<AtlasTexture>(NULL);
+	editor=p_editor;
+	undo_redo = editor->get_undo_redo();
+
+	snap_step=Vector2(10,10);
+	snap_separation = Vector2(0,0);
+	edited_margin = -1;
+	drag_index = -1;
+	drag=false;
+
+	VBoxContainer *main_vb = memnew( VBoxContainer );
+	add_child(main_vb);
+	main_vb->set_area_as_parent_rect(0);
+	HBoxContainer *hb_tools = memnew( HBoxContainer );
+	main_vb->add_child(hb_tools);
+
+	hb_tools->add_child(memnew( Label(TTR("Snap Mode:")) ));
+
+	snap_mode_button = memnew( MenuButton );
+	hb_tools->add_child(snap_mode_button);
+	snap_mode_button->set_text(TTR("<None>"));
+	PopupMenu *p = snap_mode_button->get_popup();
+	p->add_item(TTR("<None>"),0);
+	p->add_item(TTR("Pixel Snap"),1);
+	p->add_item(TTR("Grid Snap"),2);
+	p->add_item(TTR("Auto Slice"),3);
+	for (int i = 0; i < 4; i++)
+		p->set_item_as_checkable(i,true);
+	p->set_item_checked(0,true);
+	p->connect("item_pressed", this, "_set_snap_mode");
+	hb_grid = memnew( HBoxContainer );
+	hb_tools->add_child(hb_grid);
+	hb_grid->add_child( memnew( VSeparator ));
+
+	hb_grid->add_child( memnew( Label(TTR("Offset:")) ) );
+
+	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");
+	hb_grid->add_child(sb_off_x);
+
+	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");
+	hb_grid->add_child(sb_off_y);
+
+	hb_grid->add_child( memnew( VSeparator ));
+	hb_grid->add_child( memnew( Label(TTR("Step:")) ) );
+
+	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");
+	hb_grid->add_child(sb_step_x);
+
+	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");
+	hb_grid->add_child(sb_step_y);
+
+	hb_grid->add_child( memnew( VSeparator ));
+	hb_grid->add_child( memnew( Label(TTR("Separation:")) ) );
+
+	sb_sep_x = memnew( SpinBox );
+	sb_sep_x->set_min(0);
+	sb_sep_x->set_max(256);
+	sb_sep_x->set_step(1);
+	sb_sep_x->set_val(snap_separation.x);
+	sb_sep_x->set_suffix("px");
+	sb_sep_x->connect("value_changed", this, "_set_snap_sep_x");
+	hb_grid->add_child(sb_sep_x);
+
+	sb_sep_y = memnew( SpinBox );
+	sb_sep_y->set_min(0);
+	sb_sep_y->set_max(256);
+	sb_sep_y->set_step(1);
+	sb_sep_y->set_val(snap_separation.y);
+	sb_sep_y->set_suffix("px");
+	sb_sep_y->connect("value_changed", this, "_set_snap_sep_y");
+	hb_grid->add_child(sb_sep_y);
+
+	hb_grid->hide();
+
+	HBoxContainer *main_hb = memnew( HBoxContainer );
+	main_vb->add_child(main_hb);
+	edit_draw = memnew( Control );
+	main_hb->add_child(edit_draw);
+	main_hb->set_v_size_flags(SIZE_EXPAND_FILL);
+	edit_draw->set_h_size_flags(SIZE_EXPAND_FILL);
+
+	Control * separator = memnew( Control );
+	separator->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+	hb_tools->add_child(separator);
+
+	icon_zoom = memnew( TextureFrame );
+	hb_tools->add_child(icon_zoom);
+
+	zoom_out = memnew( ToolButton );
+	zoom_out->connect("pressed", this, "_zoom_out");
+	hb_tools->add_child(zoom_out);
+
+	zoom_reset = memnew( ToolButton );
+	zoom_reset->connect("pressed", this, "_zoom_reset");
+	hb_tools->add_child(zoom_reset);
+
+	zoom_in = memnew( ToolButton );
+	zoom_in->connect("pressed", this, "_zoom_in");
+	hb_tools->add_child(zoom_in);
+
+	vscroll = memnew( VScrollBar);
+	main_hb->add_child(vscroll);
+	vscroll->connect("value_changed",this,"_scroll_changed");
+	hscroll = memnew( HScrollBar );
+	main_vb->add_child(hscroll);
+	hscroll->connect("value_changed",this,"_scroll_changed");
+
+	edit_draw->connect("draw",this,"_region_draw");
+	edit_draw->connect("input_event",this,"_region_input");
+	draw_zoom=1.0;
+	updating_scroll=false;
+
+}
+
+void TextureRegionEditorPlugin::edit(Object *p_node)
+{
+	region_editor->edit(p_node);
+}
+
+bool TextureRegionEditorPlugin::handles(Object *p_obj) const
+{
+	return p_obj->is_type("Sprite") || p_obj->is_type("Patch9Frame") || p_obj->is_type("StyleBoxTexture") || p_obj->is_type("AtlasTexture");
+}
+
+void TextureRegionEditorPlugin::make_visible(bool p_visible)
+{
+	if (p_visible) {
+		region_button->show();
+		if (region_button->is_pressed())
+			region_editor->show();
+	} else {
+		region_button->hide();
+		region_editor->edit(NULL);
+		region_editor->hide();
+	}
+}
+
+
+Dictionary TextureRegionEditorPlugin::get_state() const {
+
+	Dictionary state;
+	state["zoom"]=region_editor->draw_zoom;
+	state["snap_offset"]=region_editor->snap_offset;
+	state["snap_step"]=region_editor->snap_step;
+	state["snap_separation"]=region_editor->snap_separation;
+	state["snap_mode"]=region_editor->snap_mode;
+	return state;
+}
+
+void TextureRegionEditorPlugin::set_state(const Dictionary& p_state){
+
+	Dictionary state=p_state;
+	if (state.has("zoom")) {
+		region_editor->draw_zoom = p_state["zoom"];
+	}
+
+	if (state.has("snap_step")) {
+		Vector2 s = state["snap_step"];
+		region_editor->sb_step_x->set_val(s.x);
+		region_editor->sb_step_y->set_val(s.y);
+		region_editor->snap_step = s;
+	}
+
+	if (state.has("snap_offset")) {
+		Vector2 ofs = state["snap_offset"];
+		region_editor->sb_off_x->set_val(ofs.x);
+		region_editor->sb_off_y->set_val(ofs.y);
+		region_editor->snap_offset = ofs;
+	}
+
+	if (state.has("snap_separation")) {
+		Vector2 sep = state["snap_separation"];
+		region_editor->sb_sep_x->set_val(sep.x);
+		region_editor->sb_sep_y->set_val(sep.y);
+		region_editor->snap_separation = sep;
+	}
+
+	if (state.has("snap_mode")) {
+		region_editor->_set_snap_mode(state["snap_mode"]);
+	}
+
+}
+
+TextureRegionEditorPlugin::TextureRegionEditorPlugin(EditorNode *p_node)
+{
+	editor = p_node;
+	region_editor = memnew ( TextureRegionEditor(p_node) );
+
+	region_button = p_node->add_bottom_panel_item(TTR("Texture Region"), region_editor);
+	region_button->set_tooltip(TTR("Texture Region Editor"));
+
+	region_editor->set_custom_minimum_size(Size2(0,200));
+	region_editor->hide();
+	region_button->hide();
+}