bool NavigationPolygonEditor::forward_input_event(const InputEvent& p_event) {
if (!node)
return false;
if (node->get_navigation_polygon().is_null()) {
if (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1 && p_event.mouse_button.pressed) {
create_nav->set_text("No NavigationPolygon resource on this node.\nCreate and assign one?");
create_nav->popup_centered_minsize();
}
return (p_event.type==InputEvent::MOUSE_BUTTON && p_event.mouse_button.button_index==1);;
}
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);
//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 );
wip_active=true;
edited_point_pos=cpoint;
edited_outline=-1;
canvas_item_editor->get_viewport_control()->update();
edited_point=1;
return true;
} else {
if (wip.size()>1 && xform.xform(wip[0]).distance_to(gpoint)<grab_treshold) {
//wip closed
_wip_close();
return true;
} else {
wip.push_back( cpoint );
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) {
//search edges
int closest_outline=-1;
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int j=0;j<node->get_navigation_polygon()->get_outline_count();j++) {
DVector<Vector2> points=node->get_navigation_polygon()->get_outline(j);
int pc=points.size();
DVector<Vector2>::Read poly=points.read();
for(int i=0;i<pc;i++) {
Vector2 points[2] ={ xform.xform(poly[i]),
xform.xform(poly[(i+1)%pc]) };
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_outline=j;
closest_pos=cp;
closest_idx=i;
}
}
}
if (closest_idx>=0) {
pre_move_edit=node->get_navigation_polygon()->get_outline(closest_outline);
DVector<Point2> poly = pre_move_edit;
poly.insert(closest_idx+1,xform.affine_inverse().xform(closest_pos));
edited_point=closest_idx+1;
edited_outline=closest_outline;
edited_point_pos=xform.affine_inverse().xform(closest_pos);
node->get_navigation_polygon()->set_outline(closest_outline,poly);
canvas_item_editor->get_viewport_control()->update();
return true;
}
} else {
//look for points to move
int closest_outline=-1;
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int j=0;j<node->get_navigation_polygon()->get_outline_count();j++) {
DVector<Vector2> points=node->get_navigation_polygon()->get_outline(j);
int pc=points.size();
DVector<Vector2>::Read poly=points.read();
for(int i=0;i<pc;i++) {
Vector2 cp =xform.xform(poly[i]);
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_outline=j;
closest_idx=i;
}
}
}
if (closest_idx>=0) {
pre_move_edit=node->get_navigation_polygon()->get_outline(closest_outline);
edited_point=closest_idx;
edited_outline=closest_outline;
edited_point_pos=xform.affine_inverse().xform(closest_pos);
canvas_item_editor->get_viewport_control()->update();
return true;
}
}
} else {
if (edited_point!=-1) {
//apply
DVector<Vector2> poly = node->get_navigation_polygon()->get_outline(edited_outline);
ERR_FAIL_INDEX_V(edited_point,poly.size(),false);
poly.set(edited_point,edited_point_pos);
undo_redo->create_action(TTR("Edit Poly"));
undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"set_outline",edited_outline,poly);
undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"set_outline",edited_outline,pre_move_edit);
undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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_outline=-1;
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int j=0;j<node->get_navigation_polygon()->get_outline_count();j++) {
DVector<Vector2> points=node->get_navigation_polygon()->get_outline(j);
int pc=points.size();
DVector<Vector2>::Read poly=points.read();
for(int i=0;i<pc;i++) {
Vector2 cp =xform.xform(poly[i]);
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_outline=j;
closest_idx=i;
}
}
}
if (closest_idx>=0) {
DVector<Vector2> poly = node->get_navigation_polygon()->get_outline(closest_outline);
if (poly.size()>3) {
undo_redo->create_action(TTR("Edit Poly (Remove Point)"));
undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"set_outline",closest_outline,poly);
poly.remove(closest_idx);
undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"set_outline",closest_outline,poly);
undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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();
} else {
undo_redo->create_action(TTR("Remove Poly And Point"));
undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"add_outline_at_index",poly,closest_outline);
poly.remove(closest_idx);
undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"remove_outline",closest_outline);
undo_redo->add_do_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
undo_redo->add_undo_method(node->get_navigation_polygon().ptr(),"make_polygons_from_outlines");
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;
}
