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283 lines
10 KiB
C++
283 lines
10 KiB
C++
/*************************************************************************/
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/* audio_stream_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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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 "audio_stream_editor_plugin.h"
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#include "core/config/project_settings.h"
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#include "core/io/resource_loader.h"
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#include "core/os/keyboard.h"
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#include "editor/audio_stream_preview.h"
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#include "editor/editor_scale.h"
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#include "editor/editor_settings.h"
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void AudioStreamEditor::_notification(int p_what) {
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if (p_what == NOTIFICATION_READY) {
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AudioStreamPreviewGenerator::get_singleton()->connect("preview_updated", callable_mp(this, &AudioStreamEditor::_preview_changed));
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}
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if (p_what == NOTIFICATION_THEME_CHANGED || p_what == NOTIFICATION_ENTER_TREE) {
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_play_button->set_icon(get_theme_icon(SNAME("MainPlay"), SNAME("EditorIcons")));
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_stop_button->set_icon(get_theme_icon(SNAME("Stop"), SNAME("EditorIcons")));
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_preview->set_color(get_theme_color(SNAME("dark_color_2"), SNAME("Editor")));
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set_color(get_theme_color(SNAME("dark_color_1"), SNAME("Editor")));
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_indicator->update();
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_preview->update();
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}
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if (p_what == NOTIFICATION_PROCESS) {
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_current = _player->get_playback_position();
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_indicator->update();
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}
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if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
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if (!is_visible_in_tree()) {
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_stop();
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}
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}
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}
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void AudioStreamEditor::_draw_preview() {
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Rect2 rect = _preview->get_rect();
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Size2 size = get_size();
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Ref<AudioStreamPreview> preview = AudioStreamPreviewGenerator::get_singleton()->generate_preview(stream);
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float preview_len = preview->get_length();
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Vector<Vector2> lines;
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lines.resize(size.width * 2);
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for (int i = 0; i < size.width; i++) {
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float ofs = i * preview_len / size.width;
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float ofs_n = (i + 1) * preview_len / size.width;
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float max = preview->get_max(ofs, ofs_n) * 0.5 + 0.5;
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float min = preview->get_min(ofs, ofs_n) * 0.5 + 0.5;
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int idx = i;
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lines.write[idx * 2 + 0] = Vector2(i + 1, rect.position.y + min * rect.size.y);
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lines.write[idx * 2 + 1] = Vector2(i + 1, rect.position.y + max * rect.size.y);
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}
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Vector<Color> color;
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color.push_back(get_theme_color(SNAME("contrast_color_2"), SNAME("Editor")));
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RS::get_singleton()->canvas_item_add_multiline(_preview->get_canvas_item(), lines, color);
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}
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void AudioStreamEditor::_preview_changed(ObjectID p_which) {
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if (stream.is_valid() && stream->get_instance_id() == p_which) {
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_preview->update();
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}
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}
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void AudioStreamEditor::_audio_changed() {
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if (!is_visible()) {
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return;
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}
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update();
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}
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void AudioStreamEditor::_play() {
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if (_player->is_playing()) {
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// '_pausing' variable indicates that we want to pause the audio player, not stop it. See '_on_finished()'.
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_pausing = true;
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_player->stop();
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_play_button->set_icon(get_theme_icon(SNAME("MainPlay"), SNAME("EditorIcons")));
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set_process(false);
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} else {
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_player->play(_current);
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_play_button->set_icon(get_theme_icon(SNAME("Pause"), SNAME("EditorIcons")));
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set_process(true);
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}
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}
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void AudioStreamEditor::_stop() {
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_player->stop();
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_play_button->set_icon(get_theme_icon(SNAME("MainPlay"), SNAME("EditorIcons")));
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_current = 0;
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_indicator->update();
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set_process(false);
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}
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void AudioStreamEditor::_on_finished() {
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_play_button->set_icon(get_theme_icon(SNAME("MainPlay"), SNAME("EditorIcons")));
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if (!_pausing) {
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_current = 0;
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_indicator->update();
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} else {
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_pausing = false;
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}
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set_process(false);
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}
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void AudioStreamEditor::_draw_indicator() {
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if (!stream.is_valid()) {
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return;
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}
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Rect2 rect = _preview->get_rect();
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float len = stream->get_length();
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float ofs_x = _current / len * rect.size.width;
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const Color color = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
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_indicator->draw_line(Point2(ofs_x, 0), Point2(ofs_x, rect.size.height), color, Math::round(2 * EDSCALE));
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_indicator->draw_texture(
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get_theme_icon(SNAME("TimelineIndicator"), SNAME("EditorIcons")),
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Point2(ofs_x - get_theme_icon(SNAME("TimelineIndicator"), SNAME("EditorIcons"))->get_width() * 0.5, 0),
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color);
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_current_label->set_text(String::num(_current, 2).pad_decimals(2) + " /");
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}
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void AudioStreamEditor::_on_input_indicator(Ref<InputEvent> p_event) {
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const 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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_seek_to(mb->get_position().x);
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}
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_dragging = mb->is_pressed();
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}
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const Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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if (_dragging) {
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_seek_to(mm->get_position().x);
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}
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}
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}
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void AudioStreamEditor::_seek_to(real_t p_x) {
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_current = p_x / _preview->get_rect().size.x * stream->get_length();
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_current = CLAMP(_current, 0, stream->get_length());
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_player->seek(_current);
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_indicator->update();
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}
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void AudioStreamEditor::edit(Ref<AudioStream> p_stream) {
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if (!stream.is_null()) {
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stream->disconnect("changed", callable_mp(this, &AudioStreamEditor::_audio_changed));
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}
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stream = p_stream;
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_player->set_stream(stream);
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_current = 0;
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String text = String::num(stream->get_length(), 2).pad_decimals(2) + "s";
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_duration_label->set_text(text);
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if (!stream.is_null()) {
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stream->connect("changed", callable_mp(this, &AudioStreamEditor::_audio_changed));
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update();
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} else {
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hide();
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}
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}
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void AudioStreamEditor::_bind_methods() {
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}
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AudioStreamEditor::AudioStreamEditor() {
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set_custom_minimum_size(Size2(1, 100) * EDSCALE);
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_player = memnew(AudioStreamPlayer);
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_player->connect("finished", callable_mp(this, &AudioStreamEditor::_on_finished));
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add_child(_player);
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VBoxContainer *vbox = memnew(VBoxContainer);
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vbox->set_anchors_and_offsets_preset(PRESET_WIDE, PRESET_MODE_MINSIZE, 0);
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add_child(vbox);
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_preview = memnew(ColorRect);
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_preview->set_v_size_flags(SIZE_EXPAND_FILL);
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_preview->connect("draw", callable_mp(this, &AudioStreamEditor::_draw_preview));
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vbox->add_child(_preview);
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_indicator = memnew(Control);
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_indicator->set_anchors_and_offsets_preset(PRESET_WIDE);
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_indicator->connect("draw", callable_mp(this, &AudioStreamEditor::_draw_indicator));
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_indicator->connect("gui_input", callable_mp(this, &AudioStreamEditor::_on_input_indicator));
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_preview->add_child(_indicator);
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HBoxContainer *hbox = memnew(HBoxContainer);
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hbox->add_theme_constant_override("separation", 0);
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vbox->add_child(hbox);
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_play_button = memnew(Button);
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_play_button->set_flat(true);
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hbox->add_child(_play_button);
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_play_button->set_focus_mode(Control::FOCUS_NONE);
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_play_button->connect("pressed", callable_mp(this, &AudioStreamEditor::_play));
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_play_button->set_shortcut(ED_SHORTCUT("inspector/audio_preview_play_pause", TTR("Audio Preview Play/Pause"), Key::SPACE));
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_stop_button = memnew(Button);
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_stop_button->set_flat(true);
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hbox->add_child(_stop_button);
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_stop_button->set_focus_mode(Control::FOCUS_NONE);
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_stop_button->connect("pressed", callable_mp(this, &AudioStreamEditor::_stop));
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_current_label = memnew(Label);
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_current_label->set_align(Label::ALIGN_RIGHT);
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_current_label->set_h_size_flags(SIZE_EXPAND_FILL);
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_current_label->add_theme_font_override("font", EditorNode::get_singleton()->get_gui_base()->get_theme_font(SNAME("status_source"), SNAME("EditorFonts")));
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_current_label->add_theme_font_size_override("font_size", EditorNode::get_singleton()->get_gui_base()->get_theme_font_size(SNAME("status_source_size"), SNAME("EditorFonts")));
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_current_label->set_modulate(Color(1, 1, 1, 0.5));
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hbox->add_child(_current_label);
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_duration_label = memnew(Label);
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_duration_label->add_theme_font_override("font", EditorNode::get_singleton()->get_gui_base()->get_theme_font(SNAME("status_source"), SNAME("EditorFonts")));
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_duration_label->add_theme_font_size_override("font_size", EditorNode::get_singleton()->get_gui_base()->get_theme_font_size(SNAME("status_source_size"), SNAME("EditorFonts")));
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hbox->add_child(_duration_label);
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}
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void AudioStreamEditorPlugin::edit(Object *p_object) {
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AudioStream *s = Object::cast_to<AudioStream>(p_object);
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if (!s) {
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return;
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}
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audio_editor->edit(Ref<AudioStream>(s));
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}
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bool AudioStreamEditorPlugin::handles(Object *p_object) const {
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return p_object->is_class("AudioStream");
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}
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void AudioStreamEditorPlugin::make_visible(bool p_visible) {
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audio_editor->set_visible(p_visible);
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}
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AudioStreamEditorPlugin::AudioStreamEditorPlugin(EditorNode *p_node) {
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editor = p_node;
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audio_editor = memnew(AudioStreamEditor);
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add_control_to_container(CONTAINER_PROPERTY_EDITOR_BOTTOM, audio_editor);
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audio_editor->hide();
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}
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AudioStreamEditorPlugin::~AudioStreamEditorPlugin() {
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}
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