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-rw-r--r--doc/classes/AudioStreamRandomPitch.xml19
-rw-r--r--doc/classes/AudioStreamRandomizer.xml90
-rw-r--r--editor/editor_node.cpp2
-rw-r--r--editor/plugins/audio_stream_randomizer_editor_plugin.cpp119
-rw-r--r--editor/plugins/audio_stream_randomizer_editor_plugin.h57
-rw-r--r--servers/audio/audio_stream.cpp370
-rw-r--r--servers/audio/audio_stream.h77
-rw-r--r--servers/register_server_types.cpp2
8 files changed, 651 insertions, 85 deletions
diff --git a/doc/classes/AudioStreamRandomPitch.xml b/doc/classes/AudioStreamRandomPitch.xml
deleted file mode 100644
index 0f580699e9..0000000000
--- a/doc/classes/AudioStreamRandomPitch.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<class name="AudioStreamRandomPitch" inherits="AudioStream" version="4.0">
- <brief_description>
- Plays audio with random pitch shifting.
- </brief_description>
- <description>
- Randomly varies pitch on each start.
- </description>
- <tutorials>
- </tutorials>
- <members>
- <member name="audio_stream" type="AudioStream" setter="set_audio_stream" getter="get_audio_stream">
- The current [AudioStream].
- </member>
- <member name="random_pitch" type="float" setter="set_random_pitch" getter="get_random_pitch" default="1.1">
- The intensity of random pitch variation.
- </member>
- </members>
-</class>
diff --git a/doc/classes/AudioStreamRandomizer.xml b/doc/classes/AudioStreamRandomizer.xml
new file mode 100644
index 0000000000..90471a033e
--- /dev/null
+++ b/doc/classes/AudioStreamRandomizer.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="AudioStreamRandomizer" inherits="AudioStream" version="4.0">
+ <brief_description>
+ Wraps a pool of audio streams with pitch and volume shifting.
+ </brief_description>
+ <description>
+ Picks a random AudioStream from the pool, depending on the playback mode, and applies random pitch shifting and volume shifting during playback.
+ </description>
+ <tutorials>
+ </tutorials>
+ <methods>
+ <method name="add_stream">
+ <return type="void" />
+ <argument index="0" name="index" type="int" />
+ <description>
+ Insert a stream at the specified index.
+ </description>
+ </method>
+ <method name="get_stream" qualifiers="const">
+ <return type="AudioStream" />
+ <argument index="0" name="index" type="int" />
+ <description>
+ Returns the stream at the specified index.
+ </description>
+ </method>
+ <method name="get_stream_probability_weight" qualifiers="const">
+ <return type="float" />
+ <argument index="0" name="index" type="int" />
+ <description>
+ Returns the probability weight associated with the stream at the given index.
+ </description>
+ </method>
+ <method name="move_stream">
+ <return type="void" />
+ <argument index="0" name="index_from" type="int" />
+ <argument index="1" name="index_to" type="int" />
+ <description>
+ Move a stream from one index to another.
+ </description>
+ </method>
+ <method name="remove_stream">
+ <return type="void" />
+ <argument index="0" name="index" type="int" />
+ <description>
+ Remove the stream at the specified index.
+ </description>
+ </method>
+ <method name="set_stream">
+ <return type="void" />
+ <argument index="0" name="index" type="int" />
+ <argument index="1" name="stream" type="AudioStream" />
+ <description>
+ Set the AudioStream at the specified index.
+ </description>
+ </method>
+ <method name="set_stream_probability_weight">
+ <return type="void" />
+ <argument index="0" name="index" type="int" />
+ <argument index="1" name="weight" type="float" />
+ <description>
+ Set the probability weight of the stream at the specified index. The higher this value, the more likely that the randomizer will choose this stream during random playback modes.
+ </description>
+ </method>
+ </methods>
+ <members>
+ <member name="playback_mode" type="int" setter="set_playback_mode" getter="get_playback_mode" enum="AudioStreamRandomizer.PlaybackMode" default="0">
+ Controls how this AudioStreamRandomizer picks which AudioStream to play next.
+ </member>
+ <member name="random_pitch" type="float" setter="set_random_pitch" getter="get_random_pitch" default="1.1">
+ The intensity of random pitch variation. A value of 1 means no variation.
+ </member>
+ <member name="random_volume_offset_db" type="float" setter="set_random_volume_offset_db" getter="get_random_volume_offset_db" default="5.0">
+ The intensity of random volume variation. A value of 0 means no variation.
+ </member>
+ <member name="streams_count" type="int" setter="set_streams_count" getter="get_streams_count" default="0">
+ The number of streams in the stream pool.
+ </member>
+ </members>
+ <constants>
+ <constant name="PLAYBACK_RANDOM_NO_REPEATS" value="0" enum="PlaybackMode">
+ Pick a stream at random according to the probability weights chosen for each stream, but avoid playing the same stream twice in a row whenever possible.
+ </constant>
+ <constant name="PLAYBACK_RANDOM" value="1" enum="PlaybackMode">
+ Pick a stream at random according to the probability weights chosen for each stream.
+ </constant>
+ <constant name="PLAYBACK_SEQUENTIAL" value="2" enum="PlaybackMode">
+ Play streams in the order they appear in the stream pool.
+ </constant>
+ </constants>
+</class>
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 0951199ab8..10ce7228e0 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -128,6 +128,7 @@
#include "editor/plugins/animation_tree_editor_plugin.h"
#include "editor/plugins/asset_library_editor_plugin.h"
#include "editor/plugins/audio_stream_editor_plugin.h"
+#include "editor/plugins/audio_stream_randomizer_editor_plugin.h"
#include "editor/plugins/camera_3d_editor_plugin.h"
#include "editor/plugins/canvas_item_editor_plugin.h"
#include "editor/plugins/collision_polygon_2d_editor_plugin.h"
@@ -7013,6 +7014,7 @@ EditorNode::EditorNode() {
add_editor_plugin(memnew(TextureLayeredEditorPlugin(this)));
add_editor_plugin(memnew(Texture3DEditorPlugin(this)));
add_editor_plugin(memnew(AudioStreamEditorPlugin(this)));
+ add_editor_plugin(memnew(AudioStreamRandomizerEditorPlugin(this)));
add_editor_plugin(memnew(AudioBusesEditorPlugin(audio_bus_editor)));
add_editor_plugin(memnew(Skeleton3DEditorPlugin(this)));
add_editor_plugin(memnew(SkeletonIK3DEditorPlugin(this)));
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
diff --git a/servers/audio/audio_stream.cpp b/servers/audio/audio_stream.cpp
index 170a7ef967..39060286a4 100644
--- a/servers/audio/audio_stream.cpp
+++ b/servers/audio/audio_stream.cpp
@@ -351,100 +351,372 @@ AudioStreamPlaybackMicrophone::AudioStreamPlaybackMicrophone() {
////////////////////////////////
-void AudioStreamRandomPitch::set_audio_stream(const Ref<AudioStream> &p_audio_stream) {
- audio_stream = p_audio_stream;
- if (audio_stream.is_valid()) {
- for (Set<AudioStreamPlaybackRandomPitch *>::Element *E = playbacks.front(); E; E = E->next()) {
- E->get()->playback = audio_stream->instance_playback();
- }
+void AudioStreamRandomizer::add_stream(int p_index) {
+ if (p_index < 0) {
+ p_index = audio_stream_pool.size();
+ }
+ ERR_FAIL_COND(p_index > audio_stream_pool.size());
+ PoolEntry entry{ nullptr, 1.0f };
+ audio_stream_pool.insert(p_index, entry);
+ emit_signal(SNAME("changed"));
+ notify_property_list_changed();
+}
+
+void AudioStreamRandomizer::move_stream(int p_index_from, int p_index_to) {
+ ERR_FAIL_COND(p_index_from < 0);
+ ERR_FAIL_COND(p_index_from >= audio_stream_pool.size());
+ ERR_FAIL_COND(p_index_to < 0);
+ ERR_FAIL_COND(p_index_to > audio_stream_pool.size());
+ audio_stream_pool.insert(p_index_to, audio_stream_pool[p_index_from]);
+ // If 'from' is strictly after 'to' we need to increment the index by one because of the insertion.
+ if (p_index_from > p_index_to) {
+ p_index_from++;
}
+ audio_stream_pool.remove_at(p_index_from);
+ emit_signal(SNAME("changed"));
+ notify_property_list_changed();
+}
+
+void AudioStreamRandomizer::remove_stream(int p_index) {
+ ERR_FAIL_COND(p_index < 0);
+ ERR_FAIL_COND(p_index >= audio_stream_pool.size());
+ audio_stream_pool.remove_at(p_index);
+ emit_signal(SNAME("changed"));
+ notify_property_list_changed();
+}
+
+void AudioStreamRandomizer::set_stream(int p_index, Ref<AudioStream> p_stream) {
+ ERR_FAIL_COND(p_index < 0);
+ ERR_FAIL_COND(p_index >= audio_stream_pool.size());
+ audio_stream_pool.write[p_index].stream = p_stream;
+ emit_signal(SNAME("changed"));
}
-Ref<AudioStream> AudioStreamRandomPitch::get_audio_stream() const {
- return audio_stream;
+Ref<AudioStream> AudioStreamRandomizer::get_stream(int p_index) const {
+ ERR_FAIL_COND_V(p_index < 0, nullptr);
+ ERR_FAIL_COND_V(p_index >= audio_stream_pool.size(), nullptr);
+ return audio_stream_pool[p_index].stream;
}
-void AudioStreamRandomPitch::set_random_pitch(float p_pitch) {
+void AudioStreamRandomizer::set_stream_probability_weight(int p_index, float p_weight) {
+ ERR_FAIL_COND(p_index < 0);
+ ERR_FAIL_COND(p_index >= audio_stream_pool.size());
+ audio_stream_pool.write[p_index].weight = p_weight;
+ emit_signal(SNAME("changed"));
+}
+
+float AudioStreamRandomizer::get_stream_probability_weight(int p_index) const {
+ ERR_FAIL_COND_V(p_index < 0, 0);
+ ERR_FAIL_COND_V(p_index >= audio_stream_pool.size(), 0);
+ return audio_stream_pool[p_index].weight;
+}
+
+void AudioStreamRandomizer::set_streams_count(int p_count) {
+ audio_stream_pool.resize(p_count);
+}
+
+int AudioStreamRandomizer::get_streams_count() const {
+ return audio_stream_pool.size();
+}
+
+void AudioStreamRandomizer::set_random_pitch(float p_pitch) {
if (p_pitch < 1) {
p_pitch = 1;
}
- random_pitch = p_pitch;
+ random_pitch_scale = p_pitch;
+}
+
+float AudioStreamRandomizer::get_random_pitch() const {
+ return random_pitch_scale;
+}
+
+void AudioStreamRandomizer::set_random_volume_offset_db(float p_volume_offset_db) {
+ if (p_volume_offset_db < 0) {
+ p_volume_offset_db = 0;
+ }
+ random_volume_offset_db = p_volume_offset_db;
+}
+
+float AudioStreamRandomizer::get_random_volume_offset_db() const {
+ return random_volume_offset_db;
}
-float AudioStreamRandomPitch::get_random_pitch() const {
- return random_pitch;
+void AudioStreamRandomizer::set_playback_mode(PlaybackMode p_playback_mode) {
+ playback_mode = p_playback_mode;
}
-Ref<AudioStreamPlayback> AudioStreamRandomPitch::instance_playback() {
- Ref<AudioStreamPlaybackRandomPitch> playback;
+AudioStreamRandomizer::PlaybackMode AudioStreamRandomizer::get_playback_mode() const {
+ return playback_mode;
+}
+
+Ref<AudioStreamPlayback> AudioStreamRandomizer::instance_playback_random() {
+ Ref<AudioStreamPlaybackRandomizer> playback;
playback.instantiate();
- if (audio_stream.is_valid()) {
- playback->playback = audio_stream->instance_playback();
+ playbacks.insert(playback.ptr());
+ playback->randomizer = Ref<AudioStreamRandomizer>((AudioStreamRandomizer *)this);
+
+ double total_weight = 0;
+ Vector<PoolEntry> local_pool;
+ for (const PoolEntry &entry : audio_stream_pool) {
+ if (entry.stream.is_valid() && entry.weight > 0) {
+ local_pool.push_back(entry);
+ total_weight += entry.weight;
+ }
+ }
+ if (local_pool.is_empty()) {
+ return playback;
}
+ double chosen_cumulative_weight = Math::random(0.0, total_weight);
+ double cumulative_weight = 0;
+ for (PoolEntry &entry : local_pool) {
+ cumulative_weight += entry.weight;
+ if (cumulative_weight > chosen_cumulative_weight) {
+ playback->playback = entry.stream->instance_playback();
+ last_playback = entry.stream;
+ break;
+ }
+ }
+ if (playback->playback.is_null()) {
+ // This indicates a floating point error. Take the last element.
+ last_playback = local_pool[local_pool.size() - 1].stream;
+ playback->playback = local_pool.write[local_pool.size() - 1].stream->instance_playback();
+ }
+ return playback;
+}
+
+Ref<AudioStreamPlayback> AudioStreamRandomizer::instance_playback_no_repeats() {
+ Ref<AudioStreamPlaybackRandomizer> playback;
+ double total_weight = 0;
+ Vector<PoolEntry> local_pool;
+ for (const PoolEntry &entry : audio_stream_pool) {
+ if (entry.stream == last_playback) {
+ continue;
+ }
+ if (entry.stream.is_valid() && entry.weight > 0) {
+ local_pool.push_back(entry);
+ total_weight += entry.weight;
+ }
+ }
+ if (local_pool.is_empty()) {
+ playback = instance_playback_random();
+ WARN_PRINT("Playback stream pool is too small to prevent repeats.");
+ return playback;
+ }
+
+ playback.instantiate();
playbacks.insert(playback.ptr());
- playback->random_pitch = Ref<AudioStreamRandomPitch>((AudioStreamRandomPitch *)this);
+ playback->randomizer = Ref<AudioStreamRandomizer>((AudioStreamRandomizer *)this);
+ double chosen_cumulative_weight = Math::random(0.0, total_weight);
+ double cumulative_weight = 0;
+ for (PoolEntry &entry : local_pool) {
+ cumulative_weight += entry.weight;
+ if (cumulative_weight > chosen_cumulative_weight) {
+ last_playback = entry.stream;
+ playback->playback = entry.stream->instance_playback();
+ break;
+ }
+ }
+ if (playback->playback.is_null()) {
+ // This indicates a floating point error. Take the last element.
+ last_playback = local_pool[local_pool.size() - 1].stream;
+ playback->playback = local_pool.write[local_pool.size() - 1].stream->instance_playback();
+ }
return playback;
}
-String AudioStreamRandomPitch::get_stream_name() const {
- if (audio_stream.is_valid()) {
- return "Random: " + audio_stream->get_name();
+Ref<AudioStreamPlayback> AudioStreamRandomizer::instance_playback_sequential() {
+ Ref<AudioStreamPlaybackRandomizer> playback;
+ playback.instantiate();
+ playbacks.insert(playback.ptr());
+ playback->randomizer = Ref<AudioStreamRandomizer>((AudioStreamRandomizer *)this);
+
+ Vector<Ref<AudioStream>> local_pool;
+ for (const PoolEntry &entry : audio_stream_pool) {
+ if (entry.stream.is_null()) {
+ continue;
+ }
+ if (local_pool.find(entry.stream) != -1) {
+ WARN_PRINT("Duplicate stream in sequential playback pool");
+ continue;
+ }
+ local_pool.push_back(entry.stream);
+ }
+ if (local_pool.is_empty()) {
+ return playback;
}
- return "RandomPitch";
+ bool found_last_stream = false;
+ for (Ref<AudioStream> &entry : local_pool) {
+ if (found_last_stream) {
+ last_playback = entry;
+ playback->playback = entry->instance_playback();
+ break;
+ }
+ if (entry == last_playback) {
+ found_last_stream = true;
+ }
+ }
+ if (playback->playback.is_null()) {
+ // Wrap around
+ last_playback = local_pool[0];
+ playback->playback = local_pool.write[0]->instance_playback();
+ }
+ return playback;
}
-float AudioStreamRandomPitch::get_length() const {
- if (audio_stream.is_valid()) {
- return audio_stream->get_length();
+Ref<AudioStreamPlayback> AudioStreamRandomizer::instance_playback() {
+ switch (playback_mode) {
+ case PLAYBACK_RANDOM:
+ return instance_playback_random();
+ case PLAYBACK_RANDOM_NO_REPEATS:
+ return instance_playback_no_repeats();
+ case PLAYBACK_SEQUENTIAL:
+ return instance_playback_sequential();
+ default:
+ ERR_FAIL_V_MSG(nullptr, "Unhandled playback mode.");
}
+}
+String AudioStreamRandomizer::get_stream_name() const {
+ return "Randomizer";
+}
+
+float AudioStreamRandomizer::get_length() const {
return 0;
}
-bool AudioStreamRandomPitch::is_monophonic() const {
- if (audio_stream.is_valid()) {
- return audio_stream->is_monophonic();
+bool AudioStreamRandomizer::is_monophonic() const {
+ for (const PoolEntry &entry : audio_stream_pool) {
+ if (entry.stream.is_valid() && entry.stream->is_monophonic()) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool AudioStreamRandomizer::_get(const StringName &p_name, Variant &r_ret) const {
+ if (AudioStream::_get(p_name, r_ret)) {
+ return true;
}
+ Vector<String> components = String(p_name).split("/", true, 2);
+ if (components.size() == 2 && components[0].begins_with("stream_") && components[0].trim_prefix("stream_").is_valid_int()) {
+ int index = components[0].trim_prefix("stream_").to_int();
+ if (index < 0 || index >= (int)audio_stream_pool.size()) {
+ return false;
+ }
- return true; // It doesn't really matter what we return here, but no sense instancing a many playbacks of a null stream.
+ if (components[1] == "stream") {
+ r_ret = get_stream(index);
+ return true;
+ } else if (components[1] == "weight") {
+ r_ret = get_stream_probability_weight(index);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ return false;
+}
+
+bool AudioStreamRandomizer::_set(const StringName &p_name, const Variant &p_value) {
+ if (AudioStream::_set(p_name, p_value)) {
+ return true;
+ }
+ Vector<String> components = String(p_name).split("/", true, 2);
+ if (components.size() == 2 && components[0].begins_with("stream_") && components[0].trim_prefix("stream_").is_valid_int()) {
+ int index = components[0].trim_prefix("stream_").to_int();
+ if (index < 0 || index >= (int)audio_stream_pool.size()) {
+ return false;
+ }
+
+ if (components[1] == "stream") {
+ set_stream(index, p_value);
+ return true;
+ } else if (components[1] == "weight") {
+ set_stream_probability_weight(index, p_value);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ return false;
+}
+
+void AudioStreamRandomizer::_get_property_list(List<PropertyInfo> *p_list) const {
+ AudioStream::_get_property_list(p_list); // Define the trivial scalar properties.
+ p_list->push_back(PropertyInfo(Variant::NIL, "Streams", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_GROUP));
+ for (int i = 0; i < audio_stream_pool.size(); i++) {
+ p_list->push_back(PropertyInfo(Variant::OBJECT, vformat("stream_%d/stream", i), PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"));
+ p_list->push_back(PropertyInfo(Variant::FLOAT, vformat("stream_%d/weight", i), PROPERTY_HINT_RANGE, "0,100,0.001,or_greater"));
+ }
}
-void AudioStreamRandomPitch::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_audio_stream", "stream"), &AudioStreamRandomPitch::set_audio_stream);
- ClassDB::bind_method(D_METHOD("get_audio_stream"), &AudioStreamRandomPitch::get_audio_stream);
+void AudioStreamRandomizer::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("add_stream", "index"), &AudioStreamRandomizer::add_stream);
+ ClassDB::bind_method(D_METHOD("move_stream", "index_from", "index_to"), &AudioStreamRandomizer::move_stream);
+ ClassDB::bind_method(D_METHOD("remove_stream", "index"), &AudioStreamRandomizer::remove_stream);
+
+ ClassDB::bind_method(D_METHOD("set_stream", "index", "stream"), &AudioStreamRandomizer::set_stream);
+ ClassDB::bind_method(D_METHOD("get_stream", "index"), &AudioStreamRandomizer::get_stream);
+ ClassDB::bind_method(D_METHOD("set_stream_probability_weight", "index", "weight"), &AudioStreamRandomizer::set_stream_probability_weight);
+ ClassDB::bind_method(D_METHOD("get_stream_probability_weight", "index"), &AudioStreamRandomizer::get_stream_probability_weight);
+
+ ClassDB::bind_method(D_METHOD("set_streams_count", "count"), &AudioStreamRandomizer::set_streams_count);
+ ClassDB::bind_method(D_METHOD("get_streams_count"), &AudioStreamRandomizer::get_streams_count);
+
+ ClassDB::bind_method(D_METHOD("set_random_pitch", "scale"), &AudioStreamRandomizer::set_random_pitch);
+ ClassDB::bind_method(D_METHOD("get_random_pitch"), &AudioStreamRandomizer::get_random_pitch);
- ClassDB::bind_method(D_METHOD("set_random_pitch", "scale"), &AudioStreamRandomPitch::set_random_pitch);
- ClassDB::bind_method(D_METHOD("get_random_pitch"), &AudioStreamRandomPitch::get_random_pitch);
+ ClassDB::bind_method(D_METHOD("set_random_volume_offset_db", "db_offset"), &AudioStreamRandomizer::set_random_volume_offset_db);
+ ClassDB::bind_method(D_METHOD("get_random_volume_offset_db"), &AudioStreamRandomizer::get_random_volume_offset_db);
- ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "audio_stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_audio_stream", "get_audio_stream");
+ ClassDB::bind_method(D_METHOD("set_playback_mode", "mode"), &AudioStreamRandomizer::set_playback_mode);
+ ClassDB::bind_method(D_METHOD("get_playback_mode"), &AudioStreamRandomizer::get_playback_mode);
+
+ ADD_ARRAY("streams", "stream_");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "streams_count", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "set_streams_count", "get_streams_count");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "playback_mode", PROPERTY_HINT_ENUM, "Random (Avoid Repeats),Random,Sequential"), "set_playback_mode", "get_playback_mode");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "random_pitch", PROPERTY_HINT_RANGE, "1,16,0.01"), "set_random_pitch", "get_random_pitch");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "random_volume_offset_db", PROPERTY_HINT_RANGE, "0,40,0"), "set_random_volume_offset_db", "get_random_volume_offset_db");
+
+ BIND_ENUM_CONSTANT(PLAYBACK_RANDOM_NO_REPEATS);
+ BIND_ENUM_CONSTANT(PLAYBACK_RANDOM);
+ BIND_ENUM_CONSTANT(PLAYBACK_SEQUENTIAL);
}
-AudioStreamRandomPitch::AudioStreamRandomPitch() {
- random_pitch = 1.1;
+AudioStreamRandomizer::AudioStreamRandomizer() {
+ random_pitch_scale = 1.1;
+ random_volume_offset_db = 5;
}
-void AudioStreamPlaybackRandomPitch::start(float p_from_pos) {
+void AudioStreamPlaybackRandomizer::start(float p_from_pos) {
playing = playback;
- float range_from = 1.0 / random_pitch->random_pitch;
- float range_to = random_pitch->random_pitch;
+ {
+ float range_from = 1.0 / randomizer->random_pitch_scale;
+ float range_to = randomizer->random_pitch_scale;
- pitch_scale = range_from + Math::randf() * (range_to - range_from);
+ pitch_scale = range_from + Math::randf() * (range_to - range_from);
+ }
+ {
+ float range_from = -randomizer->random_volume_offset_db;
+ float range_to = randomizer->random_volume_offset_db;
+
+ float volume_offset_db = range_from + Math::randf() * (range_to - range_from);
+ volume_scale = Math::db2linear(volume_offset_db);
+ }
if (playing.is_valid()) {
playing->start(p_from_pos);
}
}
-void AudioStreamPlaybackRandomPitch::stop() {
+void AudioStreamPlaybackRandomizer::stop() {
if (playing.is_valid()) {
playing->stop();
- ;
}
}
-bool AudioStreamPlaybackRandomPitch::is_playing() const {
+bool AudioStreamPlaybackRandomizer::is_playing() const {
if (playing.is_valid()) {
return playing->is_playing();
}
@@ -452,7 +724,7 @@ bool AudioStreamPlaybackRandomPitch::is_playing() const {
return false;
}
-int AudioStreamPlaybackRandomPitch::get_loop_count() const {
+int AudioStreamPlaybackRandomizer::get_loop_count() const {
if (playing.is_valid()) {
return playing->get_loop_count();
}
@@ -460,7 +732,7 @@ int AudioStreamPlaybackRandomPitch::get_loop_count() const {
return 0;
}
-float AudioStreamPlaybackRandomPitch::get_playback_position() const {
+float AudioStreamPlaybackRandomizer::get_playback_position() const {
if (playing.is_valid()) {
return playing->get_playback_position();
}
@@ -468,13 +740,13 @@ float AudioStreamPlaybackRandomPitch::get_playback_position() const {
return 0;
}
-void AudioStreamPlaybackRandomPitch::seek(float p_time) {
+void AudioStreamPlaybackRandomizer::seek(float p_time) {
if (playing.is_valid()) {
playing->seek(p_time);
}
}
-int AudioStreamPlaybackRandomPitch::mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) {
+int AudioStreamPlaybackRandomizer::mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) {
if (playing.is_valid()) {
return playing->mix(p_buffer, p_rate_scale * pitch_scale, p_frames);
} else {
@@ -485,7 +757,7 @@ int AudioStreamPlaybackRandomPitch::mix(AudioFrame *p_buffer, float p_rate_scale
}
}
-AudioStreamPlaybackRandomPitch::~AudioStreamPlaybackRandomPitch() {
- random_pitch->playbacks.erase(this);
+AudioStreamPlaybackRandomizer::~AudioStreamPlaybackRandomizer() {
+ randomizer->playbacks.erase(this);
}
/////////////////////////////////////////////
diff --git a/servers/audio/audio_stream.h b/servers/audio/audio_stream.h
index 32159e96ef..ce9bcabb9c 100644
--- a/servers/audio/audio_stream.h
+++ b/servers/audio/audio_stream.h
@@ -167,43 +167,86 @@ public:
//
-class AudioStreamPlaybackRandomPitch;
+class AudioStreamPlaybackRandomizer;
-class AudioStreamRandomPitch : public AudioStream {
- GDCLASS(AudioStreamRandomPitch, AudioStream);
- friend class AudioStreamPlaybackRandomPitch;
+class AudioStreamRandomizer : public AudioStream {
+ GDCLASS(AudioStreamRandomizer, AudioStream);
- Set<AudioStreamPlaybackRandomPitch *> playbacks;
- Ref<AudioStream> audio_stream;
- float random_pitch;
+public:
+ enum PlaybackMode {
+ PLAYBACK_RANDOM_NO_REPEATS,
+ PLAYBACK_RANDOM,
+ PLAYBACK_SEQUENTIAL,
+ };
+
+private:
+ friend class AudioStreamPlaybackRandomizer;
+
+ struct PoolEntry {
+ Ref<AudioStream> stream;
+ float weight;
+ };
+
+ Set<AudioStreamPlaybackRandomizer *> playbacks;
+ Vector<PoolEntry> audio_stream_pool;
+ float random_pitch_scale;
+ float random_volume_offset_db;
+
+ Ref<AudioStreamPlayback> instance_playback_random();
+ Ref<AudioStreamPlayback> instance_playback_no_repeats();
+ Ref<AudioStreamPlayback> instance_playback_sequential();
+
+ Ref<AudioStream> last_playback = nullptr;
+ PlaybackMode playback_mode = PLAYBACK_RANDOM_NO_REPEATS;
protected:
static void _bind_methods();
+ bool _set(const StringName &p_name, const Variant &p_value);
+ bool _get(const StringName &p_name, Variant &r_ret) const;
+ void _get_property_list(List<PropertyInfo> *p_list) const;
+
public:
- void set_audio_stream(const Ref<AudioStream> &p_audio_stream);
- Ref<AudioStream> get_audio_stream() const;
+ void add_stream(int p_index);
+ void move_stream(int p_index_from, int p_index_to);
+ void remove_stream(int p_index);
+
+ void set_stream(int p_index, Ref<AudioStream> p_stream);
+ Ref<AudioStream> get_stream(int p_index) const;
+ void set_stream_probability_weight(int p_index, float p_weight);
+ float get_stream_probability_weight(int p_index) const;
- void set_random_pitch(float p_pitch);
+ void set_streams_count(int p_count);
+ int get_streams_count() const;
+
+ void set_random_pitch(float p_pitch_scale);
float get_random_pitch() const;
+ void set_random_volume_offset_db(float p_volume_offset_db);
+ float get_random_volume_offset_db() const;
+
+ void set_playback_mode(PlaybackMode p_playback_mode);
+ PlaybackMode get_playback_mode() const;
+
virtual Ref<AudioStreamPlayback> instance_playback() override;
virtual String get_stream_name() const override;
virtual float get_length() const override; //if supported, otherwise return 0
virtual bool is_monophonic() const override;
- AudioStreamRandomPitch();
+ AudioStreamRandomizer();
};
-class AudioStreamPlaybackRandomPitch : public AudioStreamPlayback {
- GDCLASS(AudioStreamPlaybackRandomPitch, AudioStreamPlayback);
- friend class AudioStreamRandomPitch;
+class AudioStreamPlaybackRandomizer : public AudioStreamPlayback {
+ GDCLASS(AudioStreamPlaybackRandomizer, AudioStreamPlayback);
+ friend class AudioStreamRandomizer;
- Ref<AudioStreamRandomPitch> random_pitch;
+ Ref<AudioStreamRandomizer> randomizer;
Ref<AudioStreamPlayback> playback;
Ref<AudioStreamPlayback> playing;
+
float pitch_scale;
+ float volume_scale;
public:
virtual void start(float p_from_pos = 0.0) override;
@@ -217,7 +260,9 @@ public:
virtual int mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) override;
- ~AudioStreamPlaybackRandomPitch();
+ ~AudioStreamPlaybackRandomizer();
};
+VARIANT_ENUM_CAST(AudioStreamRandomizer::PlaybackMode);
+
#endif // AUDIO_STREAM_H
diff --git a/servers/register_server_types.cpp b/servers/register_server_types.cpp
index bf8b6379d2..3726bcde35 100644
--- a/servers/register_server_types.cpp
+++ b/servers/register_server_types.cpp
@@ -140,7 +140,7 @@ void register_server_types() {
GDREGISTER_CLASS(AudioStreamPlayback);
GDREGISTER_VIRTUAL_CLASS(AudioStreamPlaybackResampled);
GDREGISTER_CLASS(AudioStreamMicrophone);
- GDREGISTER_CLASS(AudioStreamRandomPitch);
+ GDREGISTER_CLASS(AudioStreamRandomizer);
GDREGISTER_VIRTUAL_CLASS(AudioEffect);
GDREGISTER_VIRTUAL_CLASS(AudioEffectInstance);
GDREGISTER_CLASS(AudioEffectEQ);