Consolidated duplicate snapping functions into CanvasItemEditor. Allow non-square grids. Add grid origin offsets. Allow seperate toggling of grid display. Add rotation snapping. Add offset snapping.
536 lines
15 KiB
C++
536 lines
15 KiB
C++
#include "navigation_polygon_editor_plugin.h"
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#include "canvas_item_editor_plugin.h"
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#include "os/file_access.h"
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#include "tools/editor/editor_settings.h"
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void NavigationPolygonEditor::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_READY: {
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button_create->set_icon( get_icon("Edit","EditorIcons"));
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button_edit->set_icon( get_icon("MovePoint","EditorIcons"));
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button_edit->set_pressed(true);
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get_tree()->connect("node_removed",this,"_node_removed");
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create_nav->connect("confirmed",this,"_create_nav");
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} break;
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case NOTIFICATION_FIXED_PROCESS: {
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} break;
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}
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}
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void NavigationPolygonEditor::_node_removed(Node *p_node) {
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if(p_node==node) {
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node=NULL;
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hide();
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canvas_item_editor->get_viewport_control()->update();
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}
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}
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void NavigationPolygonEditor::_create_nav() {
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undo_redo->create_action("Create Navigation Polygon");
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undo_redo->add_do_method(node,"set_navigation_polygon",Ref<NavigationPolygon>(memnew( NavigationPolygon)));
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undo_redo->add_undo_method(node,"set_navigation_polygon",Variant(REF()));
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undo_redo->commit_action();
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}
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void NavigationPolygonEditor::_menu_option(int p_option) {
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switch(p_option) {
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case MODE_CREATE: {
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mode=MODE_CREATE;
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button_create->set_pressed(true);
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button_edit->set_pressed(false);
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} break;
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case MODE_EDIT: {
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mode=MODE_EDIT;
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button_create->set_pressed(false);
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button_edit->set_pressed(true);
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} break;
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}
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}
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void NavigationPolygonEditor::_wip_close() {
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if (wip.size()>=3) {
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undo_redo->create_action("Create Poly");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"remove_outline",node->get_navigation_polygon()->get_outline_count());
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"add_outline",wip);
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->commit_action();
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mode=MODE_EDIT;
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button_edit->set_pressed(true);
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button_create->set_pressed(false);
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}
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wip.clear();
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wip_active=false;
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edited_point=-1;
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}
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bool NavigationPolygonEditor::forward_input_event(const InputEvent& p_event) {
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if (!node)
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return false;
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if (node->get_navigation_polygon().is_null()) {
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if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.pressed) {
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create_nav->set_text("No NavigationPolygon resource on this node.\nCreate and assign one?");
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create_nav->popup_centered_minsize();
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}
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return false;
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}
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switch(p_event.type) {
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case InputEvent::MOUSE_BUTTON: {
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const InputEventMouseButton &mb=p_event.mouse_button;
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Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Vector2 gpoint = Point2(mb.x,mb.y);
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Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
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cpoint=canvas_item_editor->snap_point(cpoint);
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cpoint = node->get_global_transform().affine_inverse().xform(cpoint);
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//first check if a point is to be added (segment split)
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real_t grab_treshold=EDITOR_DEF("poly_editor/point_grab_radius",8);
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switch(mode) {
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case MODE_CREATE: {
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if (mb.button_index==BUTTON_LEFT && mb.pressed) {
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if (!wip_active) {
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wip.clear();
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wip.push_back( cpoint );
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wip_active=true;
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edited_point_pos=cpoint;
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edited_outline=-1;
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canvas_item_editor->get_viewport_control()->update();
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edited_point=1;
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return true;
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} else {
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if (wip.size()>1 && xform.xform(wip[0]).distance_to(gpoint)<grab_treshold) {
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//wip closed
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_wip_close();
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return true;
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} else {
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wip.push_back( cpoint );
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edited_point=wip.size();
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canvas_item_editor->get_viewport_control()->update();
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return true;
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//add wip point
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}
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}
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} else if (mb.button_index==BUTTON_RIGHT && mb.pressed && wip_active) {
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_wip_close();
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}
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} break;
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case MODE_EDIT: {
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if (mb.button_index==BUTTON_LEFT) {
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if (mb.pressed) {
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if (mb.mod.control) {
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//search edges
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int closest_outline=-1;
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int closest_idx=-1;
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Vector2 closest_pos;
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real_t closest_dist=1e10;
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for(int j=0;j<node->get_navigation_polygon()->get_outline_count();j++) {
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DVector<Vector2> points=node->get_navigation_polygon()->get_outline(j);
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int pc=points.size();
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DVector<Vector2>::Read poly=points.read();
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for(int i=0;i<pc;i++) {
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Vector2 points[2] ={ xform.xform(poly[i]),
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xform.xform(poly[(i+1)%pc]) };
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Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint,points);
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if (cp.distance_squared_to(points[0])<CMP_EPSILON2 || cp.distance_squared_to(points[1])<CMP_EPSILON2)
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continue; //not valid to reuse point
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real_t d = cp.distance_to(gpoint);
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if (d<closest_dist && d<grab_treshold) {
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closest_dist=d;
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closest_outline=j;
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closest_pos=cp;
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closest_idx=i;
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}
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}
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}
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if (closest_idx>=0) {
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pre_move_edit=node->get_navigation_polygon()->get_outline(closest_outline);
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DVector<Point2> poly = pre_move_edit;
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poly.insert(closest_idx+1,xform.affine_inverse().xform(closest_pos));
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edited_point=closest_idx+1;
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edited_outline=closest_outline;
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edited_point_pos=xform.affine_inverse().xform(closest_pos);
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node->get_navigation_polygon()->set_outline(closest_outline,poly);
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canvas_item_editor->get_viewport_control()->update();
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return true;
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}
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} else {
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//look for points to move
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int closest_outline=-1;
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int closest_idx=-1;
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Vector2 closest_pos;
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real_t closest_dist=1e10;
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for(int j=0;j<node->get_navigation_polygon()->get_outline_count();j++) {
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DVector<Vector2> points=node->get_navigation_polygon()->get_outline(j);
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int pc=points.size();
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DVector<Vector2>::Read poly=points.read();
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for(int i=0;i<pc;i++) {
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Vector2 cp =xform.xform(poly[i]);
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real_t d = cp.distance_to(gpoint);
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if (d<closest_dist && d<grab_treshold) {
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closest_dist=d;
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closest_pos=cp;
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closest_outline=j;
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closest_idx=i;
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}
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}
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}
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if (closest_idx>=0) {
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pre_move_edit=node->get_navigation_polygon()->get_outline(closest_outline);
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edited_point=closest_idx;
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edited_outline=closest_outline;
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edited_point_pos=xform.affine_inverse().xform(closest_pos);
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canvas_item_editor->get_viewport_control()->update();
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return true;
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}
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}
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} else {
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if (edited_point!=-1) {
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//apply
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DVector<Vector2> poly = node->get_navigation_polygon()->get_outline(edited_outline);
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ERR_FAIL_INDEX_V(edited_point,poly.size(),false);
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poly.set(edited_point,edited_point_pos);
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undo_redo->create_action("Edit Poly");
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"set_outline",edited_outline,poly);
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"set_outline",edited_outline,pre_move_edit);
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->commit_action();
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edited_point=-1;
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return true;
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}
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}
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} if (mb.button_index==BUTTON_RIGHT && mb.pressed && edited_point==-1) {
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int closest_outline=-1;
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int closest_idx=-1;
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Vector2 closest_pos;
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real_t closest_dist=1e10;
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for(int j=0;j<node->get_navigation_polygon()->get_outline_count();j++) {
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DVector<Vector2> points=node->get_navigation_polygon()->get_outline(j);
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int pc=points.size();
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DVector<Vector2>::Read poly=points.read();
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for(int i=0;i<pc;i++) {
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Vector2 cp =xform.xform(poly[i]);
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real_t d = cp.distance_to(gpoint);
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if (d<closest_dist && d<grab_treshold) {
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closest_dist=d;
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closest_pos=cp;
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closest_outline=j;
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closest_idx=i;
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}
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}
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}
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if (closest_idx>=0) {
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DVector<Vector2> poly = node->get_navigation_polygon()->get_outline(closest_outline);
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if (poly.size()>3) {
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undo_redo->create_action("Edit Poly (Remove Point)");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"set_outline",closest_outline,poly);
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poly.remove(closest_idx);
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"set_outline",closest_outline,poly);
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->commit_action();
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} else {
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undo_redo->create_action("Remove Poly And Point");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"add_outline_at_index",poly,closest_outline);
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poly.remove(closest_idx);
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"remove_outline",closest_outline);
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undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
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undo_redo->commit_action();
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}
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return true;
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}
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}
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} break;
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}
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} break;
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case InputEvent::MOUSE_MOTION: {
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const InputEventMouseMotion &mm=p_event.mouse_motion;
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if (edited_point!=-1 && (wip_active || mm.button_mask&BUTTON_MASK_LEFT)) {
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Vector2 gpoint = Point2(mm.x,mm.y);
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Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
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cpoint=canvas_item_editor->snap_point(cpoint);
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edited_point_pos = node->get_global_transform().affine_inverse().xform(cpoint);
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canvas_item_editor->get_viewport_control()->update();
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}
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} break;
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}
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return false;
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}
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void NavigationPolygonEditor::_canvas_draw() {
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if (!node)
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return;
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Control *vpc = canvas_item_editor->get_viewport_control();
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if (node->get_navigation_polygon().is_null())
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return;
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Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Ref<Texture> handle= get_icon("EditorHandle","EditorIcons");
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for(int j=-1;j<node->get_navigation_polygon()->get_outline_count();j++) {
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Vector<Vector2> poly;
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if (wip_active && j==edited_outline) {
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poly=wip;
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} else {
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if (j==-1)
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continue;
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poly = Variant(node->get_navigation_polygon()->get_outline(j));
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}
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int len = poly.size();
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for(int i=0;i<poly.size();i++) {
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Vector2 p,p2;
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p = (j==edited_outline && i==edited_point) ? edited_point_pos : poly[i];
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if (j==edited_outline && ((wip_active && i==poly.size()-1) || (((i+1)%poly.size())==edited_point)))
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p2=edited_point_pos;
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else
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p2 = poly[(i+1)%poly.size()];
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Vector2 point = xform.xform(p);
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Vector2 next_point = xform.xform(p2);
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Color col=Color(1,0.3,0.1,0.8);
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vpc->draw_line(point,next_point,col,2);
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vpc->draw_texture(handle,point-handle->get_size()*0.5);
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}
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}
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}
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void NavigationPolygonEditor::edit(Node *p_collision_polygon) {
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if (!canvas_item_editor) {
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canvas_item_editor=CanvasItemEditor::get_singleton();
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}
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if (p_collision_polygon) {
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node=p_collision_polygon->cast_to<NavigationPolygonInstance>();
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if (!canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw"))
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canvas_item_editor->get_viewport_control()->connect("draw",this,"_canvas_draw");
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wip.clear();
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wip_active=false;
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edited_point=-1;
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} else {
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node=NULL;
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if (canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw"))
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canvas_item_editor->get_viewport_control()->disconnect("draw",this,"_canvas_draw");
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}
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}
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void NavigationPolygonEditor::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_menu_option"),&NavigationPolygonEditor::_menu_option);
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ObjectTypeDB::bind_method(_MD("_canvas_draw"),&NavigationPolygonEditor::_canvas_draw);
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ObjectTypeDB::bind_method(_MD("_node_removed"),&NavigationPolygonEditor::_node_removed);
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ObjectTypeDB::bind_method(_MD("_create_nav"),&NavigationPolygonEditor::_create_nav);
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}
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NavigationPolygonEditor::NavigationPolygonEditor(EditorNode *p_editor) {
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canvas_item_editor=NULL;
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editor=p_editor;
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undo_redo = editor->get_undo_redo();
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add_child( memnew( VSeparator ));
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button_create = memnew( ToolButton );
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add_child(button_create);
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button_create->connect("pressed",this,"_menu_option",varray(MODE_CREATE));
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button_create->set_toggle_mode(true);
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button_create->set_tooltip("Create a new polygon from scratch");
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button_edit = memnew( ToolButton );
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add_child(button_edit);
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button_edit->connect("pressed",this,"_menu_option",varray(MODE_EDIT));
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button_edit->set_toggle_mode(true);
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button_edit->set_tooltip("Edit existing polygon:\nLMB: Move Point.\nCtrl+LMB: Split Segment.\nRMB: Erase Point.");
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create_nav = memnew( ConfirmationDialog );
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add_child(create_nav);
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create_nav->get_ok()->set_text("Create");
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//add_constant_override("separation",0);
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#if 0
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options = memnew( MenuButton );
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add_child(options);
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options->set_area_as_parent_rect();
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options->set_text("Polygon");
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//options->get_popup()->add_item("Parse BBCODE",PARSE_BBCODE);
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options->get_popup()->connect("item_pressed", this,"_menu_option");
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#endif
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mode = MODE_EDIT;
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wip_active=false;
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edited_outline=-1;
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}
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void NavigationPolygonEditorPlugin::edit(Object *p_object) {
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collision_polygon_editor->edit(p_object->cast_to<Node>());
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}
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bool NavigationPolygonEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("NavigationPolygonInstance");
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}
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void NavigationPolygonEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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collision_polygon_editor->show();
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} else {
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collision_polygon_editor->hide();
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collision_polygon_editor->edit(NULL);
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}
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}
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NavigationPolygonEditorPlugin::NavigationPolygonEditorPlugin(EditorNode *p_node) {
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editor=p_node;
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collision_polygon_editor = memnew( NavigationPolygonEditor(p_node) );
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CanvasItemEditor::get_singleton()->add_control_to_menu_panel(collision_polygon_editor);
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collision_polygon_editor->hide();
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}
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NavigationPolygonEditorPlugin::~NavigationPolygonEditorPlugin()
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{
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}
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