486 lines
18 KiB
C++
486 lines
18 KiB
C++
/*************************************************************************/
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/* path_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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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 "path_2d_editor_plugin.h"
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#include "canvas_item_editor_plugin.h"
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#include "editor/editor_settings.h"
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#include "os/file_access.h"
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#include "os/keyboard.h"
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void Path2DEditor::_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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//set_pressed_button(button_edit);
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//button_edit->set_pressed(true);
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} break;
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case NOTIFICATION_PHYSICS_PROCESS: {
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} break;
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}
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}
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void Path2DEditor::_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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}
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}
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bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
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if (!node)
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return false;
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if (!node->is_visible_in_tree())
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return false;
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if (!node->get_curve().is_valid())
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return false;
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Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid()) {
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Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Vector2 gpoint = mb->get_position();
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Vector2 cpoint = 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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real_t grab_threshold = EDITOR_DEF("editors/poly_editor/point_grab_radius", 8);
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if (mb->is_pressed() && action == ACTION_NONE) {
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Ref<Curve2D> curve = node->get_curve();
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for (int i = 0; i < curve->get_point_count(); i++) {
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real_t dist_to_p = gpoint.distance_to(xform.xform(curve->get_point_position(i)));
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real_t dist_to_p_out = gpoint.distance_to(xform.xform(curve->get_point_position(i) + curve->get_point_out(i)));
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real_t dist_to_p_in = gpoint.distance_to(xform.xform(curve->get_point_position(i) + curve->get_point_in(i)));
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// Check for point movement start (for point + in/out controls).
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if (mb->get_button_index() == BUTTON_LEFT) {
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if (mode == MODE_EDIT && !mb->get_shift() && dist_to_p < grab_threshold) {
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// Points can only be moved in edit mode.
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action = ACTION_MOVING_POINT;
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action_point = i;
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moving_from = curve->get_point_position(i);
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moving_screen_from = gpoint;
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return true;
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} else if (mode == MODE_EDIT || mode == MODE_EDIT_CURVE) {
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// In/out controls can be moved in multiple modes.
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if (dist_to_p_out < grab_threshold && i < (curve->get_point_count() - 1)) {
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action = ACTION_MOVING_OUT;
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action_point = i;
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moving_from = curve->get_point_out(i);
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moving_screen_from = gpoint;
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return true;
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} else if (dist_to_p_in < grab_threshold && i > 0) {
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action = ACTION_MOVING_IN;
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action_point = i;
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moving_from = curve->get_point_in(i);
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moving_screen_from = gpoint;
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return true;
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}
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}
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}
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// Check for point deletion.
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if ((mb->get_button_index() == BUTTON_RIGHT && mode == MODE_EDIT) || (mb->get_button_index() == BUTTON_LEFT && mode == MODE_DELETE)) {
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if (dist_to_p < grab_threshold) {
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undo_redo->create_action(TTR("Remove Point from Curve"));
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undo_redo->add_do_method(curve.ptr(), "remove_point", i);
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undo_redo->add_undo_method(curve.ptr(), "add_point", curve->get_point_position(i), curve->get_point_in(i), curve->get_point_out(i), i);
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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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return true;
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} else if (dist_to_p_out < grab_threshold) {
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undo_redo->create_action(TTR("Remove Out-Control from Curve"));
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undo_redo->add_do_method(curve.ptr(), "set_point_out", i, Vector2());
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undo_redo->add_undo_method(curve.ptr(), "set_point_out", i, curve->get_point_out(i));
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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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return true;
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} else if (dist_to_p_in < grab_threshold) {
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undo_redo->create_action(TTR("Remove In-Control from Curve"));
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undo_redo->add_do_method(curve.ptr(), "set_point_in", i, Vector2());
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undo_redo->add_undo_method(curve.ptr(), "set_point_in", i, curve->get_point_in(i));
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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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return true;
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}
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}
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}
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}
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// Check for point creation.
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if (mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT && ((mb->get_command() && mode == MODE_EDIT) || mode == MODE_CREATE)) {
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Ref<Curve2D> curve = node->get_curve();
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undo_redo->create_action(TTR("Add Point to Curve"));
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undo_redo->add_do_method(curve.ptr(), "add_point", cpoint);
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undo_redo->add_undo_method(curve.ptr(), "remove_point", curve->get_point_count());
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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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action = ACTION_MOVING_POINT;
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action_point = curve->get_point_count() - 1;
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moving_from = curve->get_point_position(action_point);
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moving_screen_from = gpoint;
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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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// Check for point movement completion.
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if (!mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT && action != ACTION_NONE) {
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Ref<Curve2D> curve = node->get_curve();
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Vector2 new_pos = moving_from + xform.affine_inverse().basis_xform(gpoint - moving_screen_from);
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switch (action) {
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case ACTION_NONE:
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// N/A, handled in above condition.
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break;
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case ACTION_MOVING_POINT: {
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undo_redo->create_action(TTR("Move Point in Curve"));
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undo_redo->add_do_method(curve.ptr(), "set_point_position", action_point, cpoint);
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undo_redo->add_undo_method(curve.ptr(), "set_point_position", action_point, moving_from);
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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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} break;
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case ACTION_MOVING_IN: {
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undo_redo->create_action(TTR("Move In-Control in Curve"));
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undo_redo->add_do_method(curve.ptr(), "set_point_in", action_point, new_pos);
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undo_redo->add_undo_method(curve.ptr(), "set_point_in", action_point, moving_from);
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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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} break;
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case ACTION_MOVING_OUT: {
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undo_redo->create_action(TTR("Move Out-Control in Curve"));
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undo_redo->add_do_method(curve.ptr(), "set_point_out", action_point, new_pos);
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undo_redo->add_undo_method(curve.ptr(), "set_point_out", action_point, moving_from);
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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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} break;
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}
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action = ACTION_NONE;
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return true;
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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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if (action != ACTION_NONE) {
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// Handle point/control movement.
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Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Vector2 gpoint = mm->get_position();
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Vector2 cpoint = node->get_global_transform().affine_inverse().xform(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mm->get_position())));
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Ref<Curve2D> curve = node->get_curve();
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Vector2 new_pos = moving_from + xform.affine_inverse().basis_xform(gpoint - moving_screen_from);
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switch (action) {
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case ACTION_NONE:
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// N/A, handled in above condition.
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break;
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case ACTION_MOVING_POINT: {
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curve->set_point_position(action_point, cpoint);
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} break;
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case ACTION_MOVING_IN: {
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curve->set_point_in(action_point, new_pos);
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} break;
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case ACTION_MOVING_OUT: {
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curve->set_point_out(action_point, new_pos);
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} break;
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}
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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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return false;
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}
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void Path2DEditor::forward_draw_over_viewport(Control *p_overlay) {
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if (!node)
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return;
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if (!node->is_visible_in_tree())
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return;
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if (!node->get_curve().is_valid())
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return;
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Transform2D 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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Size2 handle_size = handle->get_size();
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Ref<Curve2D> curve = node->get_curve();
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int len = curve->get_point_count();
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Control *vpc = canvas_item_editor->get_viewport_control();
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for (int i = 0; i < len; i++) {
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Vector2 point = xform.xform(curve->get_point_position(i));
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vpc->draw_texture_rect(handle, Rect2(point - handle_size * 0.5, handle_size), false, Color(1, 1, 1, 1));
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if (i < len - 1) {
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Vector2 pointout = xform.xform(curve->get_point_position(i) + curve->get_point_out(i));
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vpc->draw_line(point, pointout, Color(0.5, 0.5, 1.0, 0.8), 1.0);
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vpc->draw_texture_rect(handle, Rect2(pointout - handle_size * 0.5, handle_size), false, Color(1, 0.5, 1, 0.3));
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}
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if (i > 0) {
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Vector2 pointin = xform.xform(curve->get_point_position(i) + curve->get_point_in(i));
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vpc->draw_line(point, pointin, Color(0.5, 0.5, 1.0, 0.8), 1.0);
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vpc->draw_texture_rect(handle, Rect2(pointin - handle_size * 0.5, handle_size), false, Color(1, 0.5, 1, 0.3));
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}
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}
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}
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void Path2DEditor::_node_visibility_changed() {
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if (!node)
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return;
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canvas_item_editor->get_viewport_control()->update();
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}
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void Path2DEditor::edit(Node *p_path2d) {
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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_path2d) {
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node = Object::cast_to<Path2D>(p_path2d);
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if (!node->is_connected("visibility_changed", this, "_node_visibility_changed"))
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node->connect("visibility_changed", this, "_node_visibility_changed");
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} else {
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// node may have been deleted at this point
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if (node && node->is_connected("visibility_changed", this, "_node_visibility_changed"))
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node->disconnect("visibility_changed", this, "_node_visibility_changed");
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node = NULL;
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}
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}
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void Path2DEditor::_bind_methods() {
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//ClassDB::bind_method(D_METHOD("_menu_option"),&Path2DEditor::_menu_option);
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ClassDB::bind_method(D_METHOD("_node_visibility_changed"), &Path2DEditor::_node_visibility_changed);
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ClassDB::bind_method(D_METHOD("_mode_selected"), &Path2DEditor::_mode_selected);
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}
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void Path2DEditor::_mode_selected(int p_mode) {
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if (p_mode == MODE_CREATE) {
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curve_create->set_pressed(true);
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curve_edit->set_pressed(false);
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curve_edit_curve->set_pressed(false);
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curve_del->set_pressed(false);
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} else if (p_mode == MODE_EDIT) {
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curve_create->set_pressed(false);
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curve_edit->set_pressed(true);
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curve_edit_curve->set_pressed(false);
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curve_del->set_pressed(false);
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} else if (p_mode == MODE_EDIT_CURVE) {
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curve_create->set_pressed(false);
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curve_edit->set_pressed(false);
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curve_edit_curve->set_pressed(true);
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curve_del->set_pressed(false);
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} else if (p_mode == MODE_DELETE) {
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curve_create->set_pressed(false);
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curve_edit->set_pressed(false);
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curve_edit_curve->set_pressed(false);
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curve_del->set_pressed(true);
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} else if (p_mode == ACTION_CLOSE) {
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//?
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if (!node->get_curve().is_valid())
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return;
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if (node->get_curve()->get_point_count() < 3)
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return;
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Vector2 begin = node->get_curve()->get_point_position(0);
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Vector2 end = node->get_curve()->get_point_position(node->get_curve()->get_point_count() - 1);
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if (begin.distance_to(end) < CMP_EPSILON)
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return;
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undo_redo->create_action(TTR("Remove Point from Curve"));
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undo_redo->add_do_method(node->get_curve().ptr(), "add_point", begin);
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undo_redo->add_undo_method(node->get_curve().ptr(), "remove_point", node->get_curve()->get_point_count());
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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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return;
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}
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mode = Mode(p_mode);
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}
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Path2DEditor::Path2DEditor(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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mode = MODE_EDIT;
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action = ACTION_NONE;
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base_hb = memnew(HBoxContainer);
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CanvasItemEditor::get_singleton()->add_control_to_menu_panel(base_hb);
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sep = memnew(VSeparator);
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base_hb->add_child(sep);
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curve_edit = memnew(ToolButton);
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curve_edit->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveEdit", "EditorIcons"));
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curve_edit->set_toggle_mode(true);
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curve_edit->set_focus_mode(Control::FOCUS_NONE);
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curve_edit->set_tooltip(TTR("Select Points") + "\n" + TTR("Shift+Drag: Select Control Points") + "\n" + keycode_get_string(KEY_MASK_CMD) + TTR("Click: Add Point") + "\n" + TTR("Right Click: Delete Point"));
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curve_edit->connect("pressed", this, "_mode_selected", varray(MODE_EDIT));
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base_hb->add_child(curve_edit);
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curve_edit_curve = memnew(ToolButton);
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curve_edit_curve->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCurve", "EditorIcons"));
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curve_edit_curve->set_toggle_mode(true);
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curve_edit_curve->set_focus_mode(Control::FOCUS_NONE);
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curve_edit_curve->set_tooltip(TTR("Select Control Points (Shift+Drag)"));
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curve_edit_curve->connect("pressed", this, "_mode_selected", varray(MODE_EDIT_CURVE));
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base_hb->add_child(curve_edit_curve);
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curve_create = memnew(ToolButton);
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curve_create->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCreate", "EditorIcons"));
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curve_create->set_toggle_mode(true);
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curve_create->set_focus_mode(Control::FOCUS_NONE);
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curve_create->set_tooltip(TTR("Add Point (in empty space)") + "\n" + TTR("Split Segment (in curve)"));
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curve_create->connect("pressed", this, "_mode_selected", varray(MODE_CREATE));
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base_hb->add_child(curve_create);
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curve_del = memnew(ToolButton);
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curve_del->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveDelete", "EditorIcons"));
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curve_del->set_toggle_mode(true);
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curve_del->set_focus_mode(Control::FOCUS_NONE);
|
|
curve_del->set_tooltip(TTR("Delete Point"));
|
|
curve_del->connect("pressed", this, "_mode_selected", varray(MODE_DELETE));
|
|
base_hb->add_child(curve_del);
|
|
curve_close = memnew(ToolButton);
|
|
curve_close->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveClose", "EditorIcons"));
|
|
curve_close->set_focus_mode(Control::FOCUS_NONE);
|
|
curve_close->set_tooltip(TTR("Close Curve"));
|
|
curve_close->connect("pressed", this, "_mode_selected", varray(ACTION_CLOSE));
|
|
base_hb->add_child(curve_close);
|
|
base_hb->hide();
|
|
|
|
curve_edit->set_pressed(true);
|
|
}
|
|
|
|
void Path2DEditorPlugin::edit(Object *p_object) {
|
|
|
|
path2d_editor->edit(Object::cast_to<Node>(p_object));
|
|
}
|
|
|
|
bool Path2DEditorPlugin::handles(Object *p_object) const {
|
|
|
|
return p_object->is_class("Path2D");
|
|
}
|
|
|
|
void Path2DEditorPlugin::make_visible(bool p_visible) {
|
|
|
|
if (p_visible) {
|
|
path2d_editor->show();
|
|
path2d_editor->base_hb->show();
|
|
|
|
} else {
|
|
|
|
path2d_editor->hide();
|
|
path2d_editor->base_hb->hide();
|
|
path2d_editor->edit(NULL);
|
|
}
|
|
}
|
|
|
|
Path2DEditorPlugin::Path2DEditorPlugin(EditorNode *p_node) {
|
|
|
|
editor = p_node;
|
|
path2d_editor = memnew(Path2DEditor(p_node));
|
|
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(path2d_editor);
|
|
path2d_editor->hide();
|
|
}
|
|
|
|
Path2DEditorPlugin::~Path2DEditorPlugin() {
|
|
}
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