mirror of
https://github.com/godotengine/godot
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189 lines
6.9 KiB
C++
189 lines
6.9 KiB
C++
/**************************************************************************/
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/* navigation_link_2d_editor_plugin.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "navigation_link_2d_editor_plugin.h"
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#include "canvas_item_editor_plugin.h"
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#include "editor/editor_node.h"
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#include "editor/editor_settings.h"
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#include "editor/editor_undo_redo_manager.h"
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#include "servers/navigation_server_3d.h"
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void NavigationLink2DEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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get_tree()->connect("node_removed", callable_mp(this, &NavigationLink2DEditor::_node_removed));
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} break;
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case NOTIFICATION_EXIT_TREE: {
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get_tree()->disconnect("node_removed", callable_mp(this, &NavigationLink2DEditor::_node_removed));
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} break;
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}
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}
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void NavigationLink2DEditor::_node_removed(Node *p_node) {
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if (p_node == node) {
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node = nullptr;
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}
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}
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bool NavigationLink2DEditor::forward_canvas_gui_input(const Ref<InputEvent> &p_event) {
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if (!node || !node->is_visible_in_tree()) {
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return false;
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}
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real_t grab_threshold = EDITOR_GET("editors/polygon_editor/point_grab_radius");
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Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
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if (mb->is_pressed()) {
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// Start position
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if (xform.xform(node->get_start_position()).distance_to(mb->get_position()) < grab_threshold) {
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start_grabbed = true;
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original_start_position = node->get_start_position();
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return true;
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} else {
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start_grabbed = false;
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}
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// End position
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if (xform.xform(node->get_end_position()).distance_to(mb->get_position()) < grab_threshold) {
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end_grabbed = true;
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original_end_position = node->get_end_position();
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return true;
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} else {
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end_grabbed = false;
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}
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} else {
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EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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if (start_grabbed) {
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undo_redo->create_action(TTR("Set start_position"));
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undo_redo->add_do_method(node, "set_start_position", node->get_start_position());
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undo_redo->add_do_method(canvas_item_editor, "update_viewport");
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undo_redo->add_undo_method(node, "set_start_position", original_start_position);
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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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start_grabbed = false;
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return true;
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}
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if (end_grabbed) {
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undo_redo->create_action(TTR("Set end_position"));
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undo_redo->add_do_method(node, "set_end_position", node->get_end_position());
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undo_redo->add_do_method(canvas_item_editor, "update_viewport");
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undo_redo->add_undo_method(node, "set_end_position", original_end_position);
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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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end_grabbed = false;
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return true;
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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 point = canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mm->get_position()));
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point = node->get_global_transform().affine_inverse().xform(point);
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if (start_grabbed) {
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node->set_start_position(point);
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canvas_item_editor->update_viewport();
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return true;
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}
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if (end_grabbed) {
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node->set_end_position(point);
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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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return false;
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}
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void NavigationLink2DEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
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if (!node || !node->is_visible_in_tree()) {
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return;
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}
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Transform2D gt = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Vector2 global_start_position = gt.xform(node->get_start_position());
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Vector2 global_end_position = gt.xform(node->get_end_position());
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// Only drawing the handles here, since the debug rendering will fill in the rest.
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const Ref<Texture2D> handle = get_editor_theme_icon(SNAME("EditorHandle"));
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p_overlay->draw_texture(handle, global_start_position - handle->get_size() / 2);
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p_overlay->draw_texture(handle, global_end_position - handle->get_size() / 2);
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}
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void NavigationLink2DEditor::edit(NavigationLink2D *p_node) {
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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_node) {
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node = p_node;
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} else {
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node = nullptr;
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}
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canvas_item_editor->update_viewport();
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}
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///////////////////////
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void NavigationLink2DEditorPlugin::edit(Object *p_object) {
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editor->edit(Object::cast_to<NavigationLink2D>(p_object));
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}
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bool NavigationLink2DEditorPlugin::handles(Object *p_object) const {
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return Object::cast_to<NavigationLink2D>(p_object) != nullptr;
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}
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void NavigationLink2DEditorPlugin::make_visible(bool p_visible) {
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if (!p_visible) {
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edit(nullptr);
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}
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}
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NavigationLink2DEditorPlugin::NavigationLink2DEditorPlugin() {
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editor = memnew(NavigationLink2DEditor);
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EditorNode::get_singleton()->get_gui_base()->add_child(editor);
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}
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