Add support for background ambience (#353)

* add support for background ambience

* add sample ambience config file

* Send ambience BEFORE music when possible

bin/config_sample/ambience.ini

@@ -0,0 +1,2 @@
+[CourtGreatWitchVS]
+ambience = ambient/greatwitchtrial.opus

bin/config_sample/command_extensions.ini

@@ -87,3 +87,6 @@ aliases = kickother
 
 [jukebox_skip]
 aliases = jukeboxskip
+
+[play_ambience]
+aliases = playambience playa

bin/config_sample/text/commandhelp.json

@@ -872,5 +872,12 @@
       ],
       "usage":"/jukebox_skip",
       "text":"Skips the current song in the Jukebox and plays the next available one."
+   },
+   {
+      "names": [
+         "play_ambience"
+      ],
+      "usage":"/play_ambience",
+      "text":"Plays the requested track in the ambience channel."
    }
 ]

core/include/aoclient.h

@@ -1843,6 +1843,19 @@ class AOClient : public QObject
      */
     void cmdPlay(int argc, QStringList argv);
 
+    /**
+     * @brief Plays ambience in the area.
+     *
+     * @details The arguments are **the song's filepath** originating from `base/sounds/music/`,
+     * or **the song's URL** if it's a stream.
+     *
+     * As described above, this command can be used to play ambience by URL (for clients at and above version 2.9),
+     * but it can also be used to play ambience locally available for the clients.
+     *
+     * @iscommand
+     */
+    void cmdPlayAmbience(int argc, QStringList argv);
+
     /**
      * @brief DJ-blocks a client.
      *

core/include/area_data.h

@@ -638,6 +638,15 @@ class AreaData : public QObject
      */
     QString currentMusic() const;
 
+    /**
+     * @brief Returns the ambient audio currently being played in the area.
+     *
+     * @return See short description.
+     *
+     * @see #m_currentAmbience
+     */
+    QString currentAmbience() const;
+
     /**
      * @brief Sets the music currently being played in the area.
      *
@@ -673,6 +682,13 @@ class AreaData : public QObject
      */
     void changeMusic(const QString &f_source_r, const QString &f_newSong_r);
 
+    /**
+     * @brief Changes the ambience audio being played in the area.
+     *
+     * @param f_newSong_r The name of the new audio that is going to be played in the area.
+     */
+    void changeAmbience(const QString &f_newSong_r);
+
     /**
      * @brief Returns the evidence mod in the area.
      *
@@ -1097,6 +1113,14 @@ class AreaData : public QObject
      */
     QString m_currentMusic;
 
+    /**
+     * @brief See m_currentMusic, but for ambience.
+     *
+     * @details Title is a path to the music file, with the starting point on
+     * `base/sounds/music/` clientside, with file extension.
+     */
+    QString m_currentAmbience;
+
     /**
      * @brief The name of the client (or client's character) that started the currently playing music.
      */

core/include/config_manager.h

@@ -101,6 +101,13 @@ class ConfigManager
      */
     static QSettings *areaData();
 
+    /**
+     * @brief Returns a pointer to the QSettings object which contains the ambience configuration.
+     *
+     * @return See short description.
+     */
+    static QSettings *ambience();
+
     /**
      * @brief Returns a sanitized QStringList of the areas.
      *
@@ -552,6 +559,11 @@ class ConfigManager
      */
     static QSettings *m_logtext;
 
+    /**
+     * @brief Stores all adjustable logstrings.
+     */
+    static QSettings *m_ambience;
+
     /**
      * @brief Pointer to QElapsedTimer to track the uptime of the server.
      */

core/src/aoclient.cpp

@@ -147,7 +147,8 @@ const QMap<QString, AOClient::CommandInfo> AOClient::COMMANDS{
     {"toggle_wtce", {{ACLRole::CM}, 0, &AOClient::cmdToggleWtce}},
     {"toggle_shouts", {{ACLRole::CM}, 0, &AOClient::cmdToggleShouts}},
     {"kick_other", {{ACLRole::NONE}, 0, &AOClient::cmdKickOther}},
-    {"jukebox_skip", {{ACLRole::CM}, 0, &AOClient::cmdJukeboxSkip}}};
+    {"jukebox_skip", {{ACLRole::CM}, 0, &AOClient::cmdJukeboxSkip}},
+    {"play_ambience", {{ACLRole::NONE}, 1, &AOClient::cmdPlayAmbience}}};
 
 void AOClient::clientDisconnected()
 {

core/src/area_data.cpp

@@ -108,6 +108,8 @@ void AreaData::clientJoinedArea(int f_charId, int f_userId)
     }
     m_joined_ids.append(f_userId);
     emit userJoinedArea(m_index, f_userId);
+    // Send out ambience as well. Use channel 1 for that
+    emit sendAreaPacketClient(PacketFactory::createPacket("MC", {m_currentAmbience, QString::number(-1), ConfigManager::serverName(), QString::number(1), QString::number(1)}), f_userId);
     // The name will never be shown as we are using a spectator ID. Still nice for people who network sniff.
     // We auto-loop this so you'll never sit in silence unless wanted.
     emit sendAreaPacketClient(PacketFactory::createPacket("MC", {m_currentMusic, QString::number(-1), ConfigManager::serverName(), QString::number(1)}), f_userId);
@@ -494,11 +496,21 @@ void AreaData::changeMusic(const QString &f_source_r, const QString &f_newSong_r
     m_musicPlayedBy = f_source_r;
 }
 
+void AreaData::changeAmbience(const QString &f_newSong_r)
+{
+    m_currentAmbience = f_newSong_r;
+}
+
 QString AreaData::currentMusic() const
 {
     return m_currentMusic;
 }
 
+QString AreaData::currentAmbience() const
+{
+    return m_currentAmbience;
+}
+
 void AreaData::setCurrentMusic(QString f_current_song)
 {
     m_currentMusic = f_current_song;
@@ -587,6 +599,14 @@ QString AreaData::background() const
 void AreaData::setBackground(const QString f_background)
 {
     m_background = f_background;
+    QSettings *ambience_data = ConfigManager::ambience();
+    QString new_ambience = ambience_data->value(f_background + "/ambience").toString();
+    if (new_ambience != "") {
+        changeAmbience(new_ambience);
+    }
+    else {
+        changeAmbience(""); // DON'T use ~stop.mp3 it overrides some code we don't want overridden
+    }
 }
 
 bool AreaData::ignoreBgList()

core/src/commands/area.cpp

@@ -299,6 +299,13 @@ void AOClient::cmdSetBackground(int argc, QStringList argv)
         if (server->getBackgrounds().contains(f_background, Qt::CaseInsensitive) || area->ignoreBgList() == true) {
             area->setBackground(f_background);
             server->broadcast(PacketFactory::createPacket("BN", {f_background}), m_current_area);
+            QString ambience_name = ConfigManager::ambience()->value(f_background + "/ambience").toString();
+            if (ambience_name != "") {
+                server->broadcast(PacketFactory::createPacket("MC", {ambience_name, "-1", m_showname, "1", "1"}), m_current_area);
+            }
+            else {
+                server->broadcast(PacketFactory::createPacket("MC", {"~stop.mp3", "-1", m_showname, "1", "1"}), m_current_area);
+            }
             sendServerMessageArea(m_current_char + " changed the background to " + f_background);
         }
         else {

core/src/commands/music.cpp

@@ -49,6 +49,25 @@ void AOClient::cmdPlay(int argc, QStringList argv)
     server->broadcast(music_change, m_current_area);
 }
 
+void AOClient::cmdPlayAmbience(int argc, QStringList argv)
+{
+    Q_UNUSED(argc);
+
+    if (m_is_dj_blocked) {
+        sendServerMessage("You are blocked from changing the ambience.");
+        return;
+    }
+    AreaData *l_area = server->getAreaById(m_current_area);
+    if (!l_area->owners().contains(m_id) && !l_area->isPlayEnabled()) { // Make sure we have permission to play music
+        sendServerMessage("Free ambience play is disabled in this area.");
+        return;
+    }
+    QString l_song = argv.join(" ");
+    l_area->changeAmbience(l_song);
+    AOPacket *music_change = PacketFactory::createPacket("MC", {l_song, "-1", m_showname, "1", "1"});
+    server->broadcast(music_change, m_current_area);
+}
+
 void AOClient::cmdCurrentMusic(int argc, QStringList argv)
 {
     Q_UNUSED(argc);

core/src/config_manager.cpp

@@ -23,6 +23,7 @@ QSettings *ConfigManager::m_settings = new QSettings("config/config.ini", QSetti
 QSettings *ConfigManager::m_discord = new QSettings("config/discord.ini", QSettings::IniFormat);
 QSettings *ConfigManager::m_areas = new QSettings("config/areas.ini", QSettings::IniFormat);
 QSettings *ConfigManager::m_logtext = new QSettings("config/text/logtext.ini", QSettings::IniFormat);
+QSettings *ConfigManager::m_ambience = new QSettings("config/ambience.ini", QSettings::IniFormat);
 ConfigManager::CommandSettings *ConfigManager::m_commands = new CommandSettings();
 QElapsedTimer *ConfigManager::m_uptimeTimer = new QElapsedTimer;
 MusicList *ConfigManager::m_musicList = new MusicList;
@@ -231,6 +232,11 @@ QSettings *ConfigManager::areaData()
     return m_areas;
 }
 
+QSettings *ConfigManager::ambience()
+{
+    return m_ambience;
+}
+
 QStringList ConfigManager::sanitizedAreaNames()
 {
     QStringList l_area_names = m_areas->childGroups(); // invisibly does a lexicographical sort, because Qt is great like that