875 lines
24 KiB
C++
875 lines
24 KiB
C++
/*************************************************************************/
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/* abstract_polygon_2d_editor.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "abstract_polygon_2d_editor.h"
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#include "canvas_item_editor_plugin.h"
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#include "core/os/keyboard.h"
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#include "editor/editor_scale.h"
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AbstractPolygon2DEditor::Vertex::Vertex() :
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polygon(-1),
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vertex(-1) {
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// invalid vertex
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}
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AbstractPolygon2DEditor::Vertex::Vertex(int p_vertex) :
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polygon(-1),
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vertex(p_vertex) {
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// vertex p_vertex of current wip polygon
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}
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AbstractPolygon2DEditor::Vertex::Vertex(int p_polygon, int p_vertex) :
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polygon(p_polygon),
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vertex(p_vertex) {
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// vertex p_vertex of polygon p_polygon
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}
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bool AbstractPolygon2DEditor::Vertex::operator==(const AbstractPolygon2DEditor::Vertex &p_vertex) const {
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return polygon == p_vertex.polygon && vertex == p_vertex.vertex;
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}
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bool AbstractPolygon2DEditor::Vertex::operator!=(const AbstractPolygon2DEditor::Vertex &p_vertex) const {
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return !(*this == p_vertex);
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}
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bool AbstractPolygon2DEditor::Vertex::valid() const {
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return vertex >= 0;
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}
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AbstractPolygon2DEditor::PosVertex::PosVertex() {
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// invalid vertex
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}
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AbstractPolygon2DEditor::PosVertex::PosVertex(const Vertex &p_vertex, const Vector2 &p_pos) :
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Vertex(p_vertex.polygon, p_vertex.vertex),
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pos(p_pos) {
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}
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AbstractPolygon2DEditor::PosVertex::PosVertex(int p_polygon, int p_vertex, const Vector2 &p_pos) :
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Vertex(p_polygon, p_vertex),
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pos(p_pos) {
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}
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bool AbstractPolygon2DEditor::_is_empty() const {
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if (!_get_node())
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return true;
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const int n = _get_polygon_count();
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for (int i = 0; i < n; i++) {
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Vector<Vector2> vertices = _get_polygon(i);
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if (vertices.size() != 0)
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return false;
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}
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return true;
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}
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bool AbstractPolygon2DEditor::_is_line() const {
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return false;
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}
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bool AbstractPolygon2DEditor::_has_uv() const {
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return false;
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}
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int AbstractPolygon2DEditor::_get_polygon_count() const {
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return 1;
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}
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Variant AbstractPolygon2DEditor::_get_polygon(int p_idx) const {
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return _get_node()->get("polygon");
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}
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void AbstractPolygon2DEditor::_set_polygon(int p_idx, const Variant &p_polygon) const {
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_get_node()->set("polygon", p_polygon);
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}
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void AbstractPolygon2DEditor::_action_set_polygon(int p_idx, const Variant &p_previous, const Variant &p_polygon) {
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Node2D *node = _get_node();
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undo_redo->add_do_method(node, "set_polygon", p_polygon);
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undo_redo->add_undo_method(node, "set_polygon", p_previous);
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}
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Vector2 AbstractPolygon2DEditor::_get_offset(int p_idx) const {
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return Vector2(0, 0);
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}
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void AbstractPolygon2DEditor::_commit_action() {
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undo_redo->add_do_method(canvas_item_editor, "update_viewport");
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undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
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undo_redo->commit_action();
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}
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void AbstractPolygon2DEditor::_action_add_polygon(const Variant &p_polygon) {
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_action_set_polygon(0, p_polygon);
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}
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void AbstractPolygon2DEditor::_action_remove_polygon(int p_idx) {
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_action_set_polygon(p_idx, _get_polygon(p_idx), PoolVector<Vector2>());
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}
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void AbstractPolygon2DEditor::_action_set_polygon(int p_idx, const Variant &p_polygon) {
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_action_set_polygon(p_idx, _get_polygon(p_idx), p_polygon);
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}
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bool AbstractPolygon2DEditor::_has_resource() const {
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return true;
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}
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void AbstractPolygon2DEditor::_create_resource() {
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}
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void AbstractPolygon2DEditor::_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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button_delete->set_pressed(false);
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} break;
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case MODE_EDIT: {
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_wip_close();
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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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button_delete->set_pressed(false);
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} break;
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case MODE_DELETE: {
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_wip_close();
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mode = MODE_DELETE;
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button_create->set_pressed(false);
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button_edit->set_pressed(false);
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button_delete->set_pressed(true);
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} break;
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}
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}
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void AbstractPolygon2DEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_READY: {
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disable_polygon_editing(false, String());
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button_create->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCreate", "EditorIcons"));
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button_edit->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveEdit", "EditorIcons"));
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button_delete->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveDelete", "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_resource->connect("confirmed", this, "_create_resource");
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} break;
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}
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}
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void AbstractPolygon2DEditor::_node_removed(Node *p_node) {
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if (p_node == _get_node()) {
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edit(NULL);
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hide();
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canvas_item_editor->update_viewport();
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}
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}
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void AbstractPolygon2DEditor::_wip_changed() {
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if (wip_active && _is_line()) {
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_set_polygon(0, wip);
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}
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}
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void AbstractPolygon2DEditor::_wip_cancel() {
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wip.clear();
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wip_active = false;
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edited_point = PosVertex();
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hover_point = Vertex();
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selected_point = Vertex();
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canvas_item_editor->update_viewport();
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}
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void AbstractPolygon2DEditor::_wip_close() {
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if (!wip_active)
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return;
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if (_is_line()) {
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_set_polygon(0, wip);
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} else if (wip.size() >= (_is_line() ? 2 : 3)) {
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undo_redo->create_action(TTR("Create Polygon"));
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_action_add_polygon(wip);
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if (_has_uv()) {
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undo_redo->add_do_method(_get_node(), "set_uv", PoolVector<Vector2>());
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undo_redo->add_undo_method(_get_node(), "set_uv", _get_node()->get("uv"));
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}
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_commit_action();
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} else {
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return;
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}
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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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button_delete->set_pressed(false);
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wip.clear();
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wip_active = false;
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edited_point = PosVertex();
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hover_point = Vertex();
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selected_point = Vertex();
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}
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void AbstractPolygon2DEditor::disable_polygon_editing(bool p_disable, String p_reason) {
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_polygon_editing_enabled = !p_disable;
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button_create->set_disabled(p_disable);
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button_edit->set_disabled(p_disable);
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button_delete->set_disabled(p_disable);
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if (p_disable) {
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button_create->set_tooltip(p_reason);
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button_edit->set_tooltip(p_reason);
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button_delete->set_tooltip(p_reason);
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} else {
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button_create->set_tooltip(TTR("Create points."));
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button_edit->set_tooltip(TTR("Edit points.\nLMB: Move Point\nRMB: Erase Point"));
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button_delete->set_tooltip(TTR("Erase points."));
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}
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}
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bool AbstractPolygon2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
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if (!_get_node() || !_polygon_editing_enabled)
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return false;
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Ref<InputEventMouseButton> mb = p_event;
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if (!_has_resource()) {
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if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed()) {
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create_resource->set_text(String("No polygon resource on this node.\nCreate and assign one?"));
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create_resource->popup_centered_minsize();
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}
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return (mb.is_valid() && mb->get_button_index() == 1);
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}
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CanvasItemEditor::Tool tool = CanvasItemEditor::get_singleton()->get_current_tool();
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if (tool != CanvasItemEditor::TOOL_SELECT)
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return false;
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if (mb.is_valid()) {
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Transform2D xform = canvas_item_editor->get_canvas_transform() * _get_node()->get_global_transform();
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Vector2 gpoint = mb->get_position();
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Vector2 cpoint = _get_node()->get_global_transform().affine_inverse().xform(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mb->get_position())));
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if (mode == MODE_EDIT || (_is_line() && mode == MODE_CREATE)) {
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if (mb->get_button_index() == BUTTON_LEFT) {
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if (mb->is_pressed()) {
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if (mb->get_control() || mb->get_shift() || mb->get_alt())
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return false;
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const PosVertex insert = closest_edge_point(gpoint);
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if (insert.valid()) {
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Vector<Vector2> vertices = _get_polygon(insert.polygon);
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if (vertices.size() < (_is_line() ? 2 : 3)) {
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vertices.push_back(cpoint);
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undo_redo->create_action(TTR("Edit Polygon"));
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selected_point = Vertex(insert.polygon, vertices.size());
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_action_set_polygon(insert.polygon, vertices);
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_commit_action();
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return true;
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} else {
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Vector<Vector2> vertices2 = _get_polygon(insert.polygon);
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pre_move_edit = vertices2;
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edited_point = PosVertex(insert.polygon, insert.vertex + 1, xform.affine_inverse().xform(insert.pos));
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vertices2.insert(edited_point.vertex, edited_point.pos);
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selected_point = edited_point;
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edge_point = PosVertex();
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undo_redo->create_action(TTR("Insert Point"));
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_action_set_polygon(insert.polygon, vertices2);
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_commit_action();
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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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const PosVertex closest = closest_point(gpoint);
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if (closest.valid()) {
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pre_move_edit = _get_polygon(closest.polygon);
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edited_point = PosVertex(closest, xform.affine_inverse().xform(closest.pos));
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selected_point = closest;
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edge_point = PosVertex();
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canvas_item_editor->update_viewport();
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return true;
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} else {
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selected_point = Vertex();
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}
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}
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} else {
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if (edited_point.valid()) {
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//apply
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Vector<Vector2> vertices = _get_polygon(edited_point.polygon);
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ERR_FAIL_INDEX_V(edited_point.vertex, vertices.size(), false);
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vertices.write[edited_point.vertex] = edited_point.pos - _get_offset(edited_point.polygon);
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undo_redo->create_action(TTR("Edit Polygon"));
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_action_set_polygon(edited_point.polygon, pre_move_edit, vertices);
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_commit_action();
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edited_point = PosVertex();
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return true;
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}
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}
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} else if (mb->get_button_index() == BUTTON_RIGHT && mb->is_pressed() && !edited_point.valid()) {
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const PosVertex closest = closest_point(gpoint);
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if (closest.valid()) {
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remove_point(closest);
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return true;
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}
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}
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} else if (mode == MODE_DELETE) {
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if (mb->get_button_index() == BUTTON_LEFT && mb->is_pressed()) {
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const PosVertex closest = closest_point(gpoint);
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if (closest.valid()) {
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remove_point(closest);
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return true;
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}
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}
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}
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if (mode == MODE_CREATE) {
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if (mb->get_button_index() == BUTTON_LEFT && mb->is_pressed()) {
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if (_is_line()) {
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// for lines, we don't have a wip mode, and we can undo each single add point.
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Vector<Vector2> vertices = _get_polygon(0);
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vertices.push_back(cpoint);
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undo_redo->create_action(TTR("Insert Point"));
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_action_set_polygon(0, vertices);
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_commit_action();
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return true;
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} else 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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_wip_changed();
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edited_point = PosVertex(-1, 1, cpoint);
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canvas_item_editor->update_viewport();
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hover_point = Vertex();
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selected_point = Vertex(0);
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edge_point = PosVertex();
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return true;
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} else {
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const real_t grab_threshold = EDITOR_GET("editors/poly_editor/point_grab_radius");
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if (!_is_line() && wip.size() > 1 && xform.xform(wip[0]).distance_to(gpoint) < grab_threshold) {
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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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//add wip point
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wip.push_back(cpoint);
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_wip_changed();
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edited_point = PosVertex(-1, wip.size(), cpoint);
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selected_point = Vertex(wip.size() - 1);
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canvas_item_editor->update_viewport();
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return true;
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}
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}
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} else if (mb->get_button_index() == BUTTON_RIGHT && mb->is_pressed() && wip_active) {
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_wip_cancel();
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}
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}
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}
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Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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Vector2 gpoint = mm->get_position();
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if (edited_point.valid() && (wip_active || (mm->get_button_mask() & BUTTON_MASK_LEFT))) {
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Vector2 cpoint = _get_node()->get_global_transform().affine_inverse().xform(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint)));
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//Move the point in a single axis. Should only work when editing a polygon and while holding shift.
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if (mode == MODE_EDIT && mm->get_shift()) {
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Vector2 old_point = pre_move_edit.get(selected_point.vertex);
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if (ABS(cpoint.x - old_point.x) > ABS(cpoint.y - old_point.y)) {
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cpoint.y = old_point.y;
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} else {
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cpoint.x = old_point.x;
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}
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}
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edited_point = PosVertex(edited_point, cpoint);
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if (!wip_active) {
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Vector<Vector2> vertices = _get_polygon(edited_point.polygon);
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ERR_FAIL_INDEX_V(edited_point.vertex, vertices.size(), false);
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vertices.write[edited_point.vertex] = cpoint - _get_offset(edited_point.polygon);
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_set_polygon(edited_point.polygon, vertices);
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}
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canvas_item_editor->update_viewport();
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} else if (mode == MODE_EDIT || (_is_line() && mode == MODE_CREATE)) {
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const PosVertex onEdgeVertex = closest_edge_point(gpoint);
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if (onEdgeVertex.valid()) {
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hover_point = Vertex();
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edge_point = onEdgeVertex;
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canvas_item_editor->update_viewport();
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} else {
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if (edge_point.valid()) {
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edge_point = PosVertex();
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canvas_item_editor->update_viewport();
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}
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const PosVertex new_hover_point = closest_point(gpoint);
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if (hover_point != new_hover_point) {
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hover_point = new_hover_point;
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canvas_item_editor->update_viewport();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Ref<InputEventKey> k = p_event;
|
|
|
|
if (k.is_valid() && k->is_pressed()) {
|
|
|
|
if (k->get_scancode() == KEY_DELETE || k->get_scancode() == KEY_BACKSPACE) {
|
|
|
|
if (wip_active && selected_point.polygon == -1) {
|
|
|
|
if (wip.size() > selected_point.vertex) {
|
|
|
|
wip.remove(selected_point.vertex);
|
|
_wip_changed();
|
|
selected_point = wip.size() - 1;
|
|
canvas_item_editor->update_viewport();
|
|
return true;
|
|
}
|
|
} else {
|
|
|
|
const Vertex active_point = get_active_point();
|
|
|
|
if (active_point.valid()) {
|
|
|
|
remove_point(active_point);
|
|
return true;
|
|
}
|
|
}
|
|
} else if (wip_active && k->get_scancode() == KEY_ENTER) {
|
|
|
|
_wip_close();
|
|
} else if (wip_active && k->get_scancode() == KEY_ESCAPE) {
|
|
_wip_cancel();
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void AbstractPolygon2DEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
|
|
|
|
if (!_get_node())
|
|
return;
|
|
|
|
Transform2D xform = canvas_item_editor->get_canvas_transform() * _get_node()->get_global_transform();
|
|
// All polygon points are sharp, so use the sharp handle icon
|
|
const Ref<Texture2D> handle = get_icon("EditorPathSharpHandle", "EditorIcons");
|
|
|
|
const Vertex active_point = get_active_point();
|
|
const int n_polygons = _get_polygon_count();
|
|
const bool is_closed = !_is_line();
|
|
|
|
for (int j = -1; j < n_polygons; j++) {
|
|
|
|
if (wip_active && wip_destructive && j != -1)
|
|
continue;
|
|
|
|
PoolVector<Vector2> points;
|
|
Vector2 offset;
|
|
|
|
if (wip_active && j == edited_point.polygon) {
|
|
|
|
points = Variant(wip);
|
|
offset = Vector2(0, 0);
|
|
} else {
|
|
|
|
if (j == -1)
|
|
continue;
|
|
points = _get_polygon(j);
|
|
offset = _get_offset(j);
|
|
}
|
|
|
|
if (!wip_active && j == edited_point.polygon && EDITOR_GET("editors/poly_editor/show_previous_outline")) {
|
|
|
|
const Color col = Color(0.5, 0.5, 0.5); // FIXME polygon->get_outline_color();
|
|
const int n = pre_move_edit.size();
|
|
for (int i = 0; i < n - (is_closed ? 0 : 1); i++) {
|
|
|
|
Vector2 p, p2;
|
|
p = pre_move_edit[i] + offset;
|
|
p2 = pre_move_edit[(i + 1) % n] + offset;
|
|
|
|
Vector2 point = xform.xform(p);
|
|
Vector2 next_point = xform.xform(p2);
|
|
|
|
p_overlay->draw_line(point, next_point, col, Math::round(2 * EDSCALE));
|
|
}
|
|
}
|
|
|
|
const int n_points = points.size();
|
|
const Color col = Color(1, 0.3, 0.1, 0.8);
|
|
|
|
for (int i = 0; i < n_points; i++) {
|
|
|
|
const Vertex vertex(j, i);
|
|
|
|
const Vector2 p = (vertex == edited_point) ? edited_point.pos : (points[i] + offset);
|
|
const Vector2 point = xform.xform(p);
|
|
|
|
if (is_closed || i < n_points - 1) {
|
|
|
|
Vector2 p2;
|
|
if (j == edited_point.polygon &&
|
|
((wip_active && i == n_points - 1) || (((i + 1) % n_points) == edited_point.vertex)))
|
|
p2 = edited_point.pos;
|
|
else
|
|
p2 = points[(i + 1) % n_points] + offset;
|
|
|
|
const Vector2 next_point = xform.xform(p2);
|
|
p_overlay->draw_line(point, next_point, col, Math::round(2 * EDSCALE));
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < n_points; i++) {
|
|
|
|
const Vertex vertex(j, i);
|
|
|
|
const Vector2 p = (vertex == edited_point) ? edited_point.pos : (points[i] + offset);
|
|
const Vector2 point = xform.xform(p);
|
|
|
|
const Color modulate = vertex == active_point ? Color(0.5, 1, 2) : Color(1, 1, 1);
|
|
p_overlay->draw_texture(handle, point - handle->get_size() * 0.5, modulate);
|
|
|
|
if (vertex == hover_point) {
|
|
Ref<Font> font = get_font("font", "Label");
|
|
String num = String::num(vertex.vertex);
|
|
Size2 num_size = font->get_string_size(num);
|
|
p_overlay->draw_string(font, point - num_size * 0.5, num, Color(1.0, 1.0, 1.0, 0.5));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (edge_point.valid()) {
|
|
|
|
Ref<Texture2D> add_handle = get_icon("EditorHandleAdd", "EditorIcons");
|
|
p_overlay->draw_texture(add_handle, edge_point.pos - add_handle->get_size() * 0.5);
|
|
}
|
|
}
|
|
|
|
void AbstractPolygon2DEditor::edit(Node *p_polygon) {
|
|
|
|
if (!canvas_item_editor)
|
|
canvas_item_editor = CanvasItemEditor::get_singleton();
|
|
|
|
if (p_polygon) {
|
|
|
|
_set_node(p_polygon);
|
|
|
|
// Enable the pencil tool if the polygon is empty.
|
|
if (_is_empty())
|
|
_menu_option(MODE_CREATE);
|
|
else
|
|
_menu_option(MODE_EDIT);
|
|
|
|
wip.clear();
|
|
wip_active = false;
|
|
edited_point = PosVertex();
|
|
hover_point = Vertex();
|
|
selected_point = Vertex();
|
|
|
|
canvas_item_editor->update_viewport();
|
|
} else {
|
|
|
|
_set_node(NULL);
|
|
}
|
|
}
|
|
|
|
void AbstractPolygon2DEditor::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("_node_removed"), &AbstractPolygon2DEditor::_node_removed);
|
|
ClassDB::bind_method(D_METHOD("_menu_option"), &AbstractPolygon2DEditor::_menu_option);
|
|
ClassDB::bind_method(D_METHOD("_create_resource"), &AbstractPolygon2DEditor::_create_resource);
|
|
}
|
|
|
|
void AbstractPolygon2DEditor::remove_point(const Vertex &p_vertex) {
|
|
|
|
PoolVector<Vector2> vertices = _get_polygon(p_vertex.polygon);
|
|
|
|
if (vertices.size() > (_is_line() ? 2 : 3)) {
|
|
|
|
vertices.remove(p_vertex.vertex);
|
|
|
|
undo_redo->create_action(TTR("Edit Polygon (Remove Point)"));
|
|
_action_set_polygon(p_vertex.polygon, vertices);
|
|
_commit_action();
|
|
} else {
|
|
|
|
undo_redo->create_action(TTR("Remove Polygon And Point"));
|
|
_action_remove_polygon(p_vertex.polygon);
|
|
_commit_action();
|
|
}
|
|
|
|
if (_is_empty())
|
|
_menu_option(MODE_CREATE);
|
|
|
|
hover_point = Vertex();
|
|
if (selected_point == p_vertex)
|
|
selected_point = Vertex();
|
|
}
|
|
|
|
AbstractPolygon2DEditor::Vertex AbstractPolygon2DEditor::get_active_point() const {
|
|
|
|
return hover_point.valid() ? hover_point : selected_point;
|
|
}
|
|
|
|
AbstractPolygon2DEditor::PosVertex AbstractPolygon2DEditor::closest_point(const Vector2 &p_pos) const {
|
|
|
|
const real_t grab_threshold = EDITOR_GET("editors/poly_editor/point_grab_radius");
|
|
|
|
const int n_polygons = _get_polygon_count();
|
|
const Transform2D xform = canvas_item_editor->get_canvas_transform() * _get_node()->get_global_transform();
|
|
|
|
PosVertex closest;
|
|
real_t closest_dist = 1e10;
|
|
|
|
for (int j = 0; j < n_polygons; j++) {
|
|
|
|
PoolVector<Vector2> points = _get_polygon(j);
|
|
const Vector2 offset = _get_offset(j);
|
|
const int n_points = points.size();
|
|
|
|
for (int i = 0; i < n_points; i++) {
|
|
|
|
Vector2 cp = xform.xform(points[i] + offset);
|
|
|
|
real_t d = cp.distance_to(p_pos);
|
|
if (d < closest_dist && d < grab_threshold) {
|
|
closest_dist = d;
|
|
closest = PosVertex(j, i, cp);
|
|
}
|
|
}
|
|
}
|
|
|
|
return closest;
|
|
}
|
|
|
|
AbstractPolygon2DEditor::PosVertex AbstractPolygon2DEditor::closest_edge_point(const Vector2 &p_pos) const {
|
|
|
|
const real_t grab_threshold = EDITOR_GET("editors/poly_editor/point_grab_radius");
|
|
const real_t eps = grab_threshold * 2;
|
|
const real_t eps2 = eps * eps;
|
|
|
|
const int n_polygons = _get_polygon_count();
|
|
const Transform2D xform = canvas_item_editor->get_canvas_transform() * _get_node()->get_global_transform();
|
|
|
|
PosVertex closest;
|
|
real_t closest_dist = 1e10;
|
|
|
|
for (int j = 0; j < n_polygons; j++) {
|
|
|
|
PoolVector<Vector2> points = _get_polygon(j);
|
|
const Vector2 offset = _get_offset(j);
|
|
const int n_points = points.size();
|
|
const int n_segments = n_points - (_is_line() ? 1 : 0);
|
|
|
|
for (int i = 0; i < n_segments; i++) {
|
|
|
|
Vector2 segment[2] = { xform.xform(points[i] + offset),
|
|
xform.xform(points[(i + 1) % n_points] + offset) };
|
|
|
|
Vector2 cp = Geometry::get_closest_point_to_segment_2d(p_pos, segment);
|
|
|
|
if (cp.distance_squared_to(segment[0]) < eps2 || cp.distance_squared_to(segment[1]) < eps2)
|
|
continue; //not valid to reuse point
|
|
|
|
real_t d = cp.distance_to(p_pos);
|
|
if (d < closest_dist && d < grab_threshold) {
|
|
closest_dist = d;
|
|
closest = PosVertex(j, i, cp);
|
|
}
|
|
}
|
|
}
|
|
|
|
return closest;
|
|
}
|
|
|
|
AbstractPolygon2DEditor::AbstractPolygon2DEditor(EditorNode *p_editor, bool p_wip_destructive) {
|
|
|
|
canvas_item_editor = NULL;
|
|
editor = p_editor;
|
|
undo_redo = EditorNode::get_undo_redo();
|
|
|
|
wip_active = false;
|
|
edited_point = PosVertex();
|
|
wip_destructive = p_wip_destructive;
|
|
|
|
hover_point = Vertex();
|
|
selected_point = Vertex();
|
|
edge_point = PosVertex();
|
|
|
|
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_delete = memnew(ToolButton);
|
|
add_child(button_delete);
|
|
button_delete->connect("pressed", this, "_menu_option", varray(MODE_DELETE));
|
|
button_delete->set_toggle_mode(true);
|
|
|
|
create_resource = memnew(ConfirmationDialog);
|
|
add_child(create_resource);
|
|
create_resource->get_ok()->set_text(TTR("Create"));
|
|
|
|
mode = MODE_EDIT;
|
|
}
|
|
|
|
void AbstractPolygon2DEditorPlugin::edit(Object *p_object) {
|
|
|
|
polygon_editor->edit(Object::cast_to<Node>(p_object));
|
|
}
|
|
|
|
bool AbstractPolygon2DEditorPlugin::handles(Object *p_object) const {
|
|
|
|
return p_object->is_class(klass);
|
|
}
|
|
|
|
void AbstractPolygon2DEditorPlugin::make_visible(bool p_visible) {
|
|
|
|
if (p_visible) {
|
|
|
|
polygon_editor->show();
|
|
} else {
|
|
|
|
polygon_editor->hide();
|
|
polygon_editor->edit(NULL);
|
|
}
|
|
}
|
|
|
|
AbstractPolygon2DEditorPlugin::AbstractPolygon2DEditorPlugin(EditorNode *p_node, AbstractPolygon2DEditor *p_polygon_editor, String p_class) :
|
|
polygon_editor(p_polygon_editor),
|
|
editor(p_node),
|
|
klass(p_class) {
|
|
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(polygon_editor);
|
|
polygon_editor->hide();
|
|
}
|
|
|
|
AbstractPolygon2DEditorPlugin::~AbstractPolygon2DEditorPlugin() {
|
|
}
|