Add AudioStreamRandomizer, replacing AudioStreamRandomPitch

Add additional randomization options.

2 files changed, 176 insertions, 0 deletions

diff --git a/editor/plugins/audio_stream_randomizer_editor_plugin.cpp b/editor/plugins/audio_stream_randomizer_editor_plugin.cpp
new file mode 100644
index 0000000000..fea3c29967
--- /dev/null
+++ b/editor/plugins/audio_stream_randomizer_editor_plugin.cpp
@@ -0,0 +1,119 @@
+/*************************************************************************/
+/*  audio_stream_randomizer_editor_plugin.cpp                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "audio_stream_randomizer_editor_plugin.h"
+
+void AudioStreamRandomizerEditorPlugin::edit(Object *p_object) {
+}
+
+bool AudioStreamRandomizerEditorPlugin::handles(Object *p_object) const {
+	return false;
+}
+
+void AudioStreamRandomizerEditorPlugin::make_visible(bool p_visible) {
+}
+
+void AudioStreamRandomizerEditorPlugin::_move_stream_array_element(Object *p_undo_redo, Object *p_edited, String p_array_prefix, int p_from_index, int p_to_pos) {
+	UndoRedo *undo_redo = Object::cast_to<UndoRedo>(p_undo_redo);
+	ERR_FAIL_COND(!undo_redo);
+
+	AudioStreamRandomizer *randomizer = Object::cast_to<AudioStreamRandomizer>(p_edited);
+	if (!randomizer) {
+		return;
+	}
+
+	// Compute the array indices to save.
+	int begin = 0;
+	int end;
+	if (p_array_prefix == "stream_") {
+		end = randomizer->get_streams_count();
+	} else {
+		ERR_FAIL_MSG("Invalid array prefix for AudioStreamRandomizer.");
+	}
+	if (p_from_index < 0) {
+		// Adding new.
+		if (p_to_pos >= 0) {
+			begin = p_to_pos;
+		} else {
+			end = 0; // Nothing to save when adding at the end.
+		}
+	} else if (p_to_pos < 0) {
+		// Removing.
+		begin = p_from_index;
+	} else {
+		// Moving.
+		begin = MIN(p_from_index, p_to_pos);
+		end = MIN(MAX(p_from_index, p_to_pos) + 1, end);
+	}
+
+#define ADD_UNDO(obj, property) undo_redo->add_undo_property(obj, property, obj->get(property));
+	// Save layers' properties.
+	if (p_from_index < 0) {
+		undo_redo->add_undo_method(randomizer, "remove_stream", p_to_pos < 0 ? randomizer->get_streams_count() : p_to_pos);
+	} else if (p_to_pos < 0) {
+		undo_redo->add_undo_method(randomizer, "add_stream", p_from_index);
+	}
+
+	List<PropertyInfo> properties;
+	randomizer->get_property_list(&properties);
+	for (PropertyInfo pi : properties) {
+		if (pi.name.begins_with(p_array_prefix)) {
+			String str = pi.name.trim_prefix(p_array_prefix);
+			int to_char_index = 0;
+			while (to_char_index < str.length()) {
+				if (str[to_char_index] < '0' || str[to_char_index] > '9') {
+					break;
+				}
+				to_char_index++;
+			}
+			if (to_char_index > 0) {
+				int array_index = str.left(to_char_index).to_int();
+				if (array_index >= begin && array_index < end) {
+					ADD_UNDO(randomizer, pi.name);
+				}
+			}
+		}
+	}
+#undef ADD_UNDO
+
+	if (p_from_index < 0) {
+		undo_redo->add_do_method(randomizer, "add_stream", p_to_pos);
+	} else if (p_to_pos < 0) {
+		undo_redo->add_do_method(randomizer, "remove_stream", p_from_index);
+	} else {
+		undo_redo->add_do_method(randomizer, "move_stream", p_from_index, p_to_pos);
+	}
+}
+
+AudioStreamRandomizerEditorPlugin::AudioStreamRandomizerEditorPlugin(EditorNode *p_node) {
+	EditorNode::get_singleton()->get_editor_data().add_move_array_element_function(SNAME("AudioStreamRandomizer"), callable_mp(this, &AudioStreamRandomizerEditorPlugin::_move_stream_array_element));
+}
+
+AudioStreamRandomizerEditorPlugin::~AudioStreamRandomizerEditorPlugin() {}
diff --git a/editor/plugins/audio_stream_randomizer_editor_plugin.h b/editor/plugins/audio_stream_randomizer_editor_plugin.h
new file mode 100644
index 0000000000..490af7e2c2
--- /dev/null
+++ b/editor/plugins/audio_stream_randomizer_editor_plugin.h
@@ -0,0 +1,57 @@
+/*************************************************************************/
+/*  audio_stream_randomizer_editor_plugin.h                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef AUDIO_STREAM_RANDOMIZER_EDITOR_PLUGIN_H
+#define AUDIO_STREAM_RANDOMIZER_EDITOR_PLUGIN_H
+
+#include "editor/editor_node.h"
+#include "editor/editor_plugin.h"
+#include "servers/audio/audio_stream.h"
+
+class AudioStreamRandomizerEditorPlugin : public EditorPlugin {
+	GDCLASS(AudioStreamRandomizerEditorPlugin, EditorPlugin);
+
+	EditorNode *editor;
+
+private:
+	void _move_stream_array_element(Object *p_undo_redo, Object *p_edited, String p_array_prefix, int p_from_index, int p_to_pos);
+
+public:
+	virtual String get_name() const override { return "AudioStreamRandomizer"; }
+	bool has_main_screen() const override { return false; }
+	virtual void edit(Object *p_object) override;
+	virtual bool handles(Object *p_object) const override;
+	virtual void make_visible(bool p_visible) override;
+
+	AudioStreamRandomizerEditorPlugin(EditorNode *p_node);
+	~AudioStreamRandomizerEditorPlugin();
+};
+
+#endif // AUDIO_STREAM_RANDOMIZER_EDITOR_PLUGIN_H