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288 lines
9.9 KiB
C++
288 lines
9.9 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) 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 "audio_stream_editor_plugin.h"
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#include "editor/audio_stream_preview.h"
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#include "editor/editor_settings.h"
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#include "editor/editor_string_names.h"
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#include "editor/themes/editor_scale.h"
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#include "scene/resources/audio_stream_wav.h"
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// AudioStreamEditor
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void AudioStreamEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_READY: {
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AudioStreamPreviewGenerator::get_singleton()->connect(SNAME("preview_updated"), callable_mp(this, &AudioStreamEditor::_preview_changed));
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} break;
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case NOTIFICATION_THEME_CHANGED:
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case NOTIFICATION_ENTER_TREE: {
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Ref<Font> font = get_theme_font(SNAME("status_source"), EditorStringName(EditorFonts));
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_current_label->add_theme_font_override(SceneStringName(font), font);
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_duration_label->add_theme_font_override(SceneStringName(font), font);
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_play_button->set_icon(get_editor_theme_icon(SNAME("MainPlay")));
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_stop_button->set_icon(get_editor_theme_icon(SNAME("Stop")));
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_preview->set_color(get_theme_color(SNAME("dark_color_2"), EditorStringName(Editor)));
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set_color(get_theme_color(SNAME("dark_color_1"), EditorStringName(Editor)));
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_indicator->queue_redraw();
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_preview->queue_redraw();
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} break;
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case NOTIFICATION_PROCESS: {
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_current = _player->get_playback_position();
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_indicator->queue_redraw();
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} break;
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case 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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} break;
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default: {
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} break;
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}
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}
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void AudioStreamEditor::_draw_preview() {
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Size2 size = get_size();
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int width = size.width;
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if (width <= 0) {
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return; // No points to draw.
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}
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Rect2 rect = _preview->get_rect();
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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> points;
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points.resize(width * 2);
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for (int i = 0; i < 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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points.write[idx * 2 + 0] = Vector2(i + 1, rect.position.y + min * rect.size.y);
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points.write[idx * 2 + 1] = Vector2(i + 1, rect.position.y + max * rect.size.y);
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}
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Vector<Color> colors = { get_theme_color(SNAME("contrast_color_2"), EditorStringName(Editor)) };
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RS::get_singleton()->canvas_item_add_multiline(_preview->get_canvas_item(), points, colors);
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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->queue_redraw();
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}
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}
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void AudioStreamEditor::_stream_changed() {
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if (!is_visible()) {
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return;
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}
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queue_redraw();
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}
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void AudioStreamEditor::_play() {
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if (_player->is_playing()) {
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_pausing = true;
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_player->stop();
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_play_button->set_icon(get_editor_theme_icon(SNAME("MainPlay")));
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set_process(false);
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} else {
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_pausing = false;
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_player->play(_current);
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_play_button->set_icon(get_editor_theme_icon(SNAME("Pause")));
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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_editor_theme_icon(SNAME("MainPlay")));
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_current = 0;
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_indicator->queue_redraw();
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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_editor_theme_icon(SNAME("MainPlay")));
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if (!_pausing) {
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_current = 0;
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_indicator->queue_redraw();
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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_null()) {
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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 col = get_theme_color(SNAME("accent_color"), EditorStringName(Editor));
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Ref<Texture2D> icon = get_editor_theme_icon(SNAME("TimelineIndicator"));
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_indicator->draw_line(Point2(ofs_x, 0), Point2(ofs_x, rect.size.height), col, Math::round(2 * EDSCALE));
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_indicator->draw_texture(
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icon,
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Point2(ofs_x - icon->get_width() * 0.5, 0),
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col);
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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->queue_redraw();
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}
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void AudioStreamEditor::set_stream(const Ref<AudioStream> &p_stream) {
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if (stream.is_valid()) {
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stream->disconnect_changed(callable_mp(this, &AudioStreamEditor::_stream_changed));
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}
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stream = p_stream;
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if (stream.is_null()) {
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hide();
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return;
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}
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stream->connect_changed(callable_mp(this, &AudioStreamEditor::_stream_changed));
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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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queue_redraw();
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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(SceneStringName(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(Control::PRESET_FULL_RECT);
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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(SceneStringName(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(Control::PRESET_FULL_RECT);
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_indicator->connect(SceneStringName(draw), callable_mp(this, &AudioStreamEditor::_draw_indicator));
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_indicator->connect(SceneStringName(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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hbox->add_child(_play_button);
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_play_button->set_flat(true);
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_play_button->set_focus_mode(Control::FOCUS_NONE);
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_play_button->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamEditor::_play));
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_play_button->set_shortcut(ED_SHORTCUT("audio_stream_editor/audio_preview_play_pause", TTR("Audio Preview Play/Pause"), Key::SPACE));
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_stop_button = memnew(Button);
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hbox->add_child(_stop_button);
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_stop_button->set_flat(true);
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_stop_button->set_focus_mode(Control::FOCUS_NONE);
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_stop_button->connect(SceneStringName(pressed), callable_mp(this, &AudioStreamEditor::_stop));
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_current_label = memnew(Label);
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_current_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_RIGHT);
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_current_label->set_h_size_flags(Control::SIZE_EXPAND_FILL);
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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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hbox->add_child(_duration_label);
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}
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// EditorInspectorPluginAudioStream
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bool EditorInspectorPluginAudioStream::can_handle(Object *p_object) {
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return Object::cast_to<AudioStreamWAV>(p_object) != nullptr;
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}
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void EditorInspectorPluginAudioStream::parse_begin(Object *p_object) {
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AudioStream *stream = Object::cast_to<AudioStream>(p_object);
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editor = memnew(AudioStreamEditor);
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editor->set_stream(Ref<AudioStream>(stream));
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add_custom_control(editor);
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}
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// AudioStreamEditorPlugin
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AudioStreamEditorPlugin::AudioStreamEditorPlugin() {
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Ref<EditorInspectorPluginAudioStream> plugin;
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plugin.instantiate();
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add_inspector_plugin(plugin);
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}
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