The server now announces what features it has.

I'm not sure why I did this.

aoapplication.h

@@ -69,6 +69,10 @@ public:
   bool improved_loading_enabled = false;
   bool desk_mod_enabled = false;
   bool evidence_enabled = false;
+  bool shownames_enabled = false;
+  bool charpairs_enabled = false;
+  bool arup_enabled = false;
+  bool modcall_reason_enabled = false;
 
   ///////////////loading info///////////////////
 

courtroom.cpp

@@ -437,6 +437,16 @@ void Courtroom::set_widgets()
   ui_pair_offset_spinbox->hide();
   set_size_and_pos(ui_pair_button, "pair_button");
   ui_pair_button->set_image("pair_button.png");
+  if (ao_app->charpairs_enabled)
+  {
+    ui_pair_button->setEnabled(true);
+    ui_pair_button->show();
+  }
+  else
+  {
+    ui_pair_button->setEnabled(false);
+    ui_pair_button->hide();
+  }
 
   set_size_and_pos(ui_area_list, "music_list");
   ui_area_list->setStyleSheet("background-color: rgba(0, 0, 0, 0);");
@@ -833,7 +843,16 @@ void Courtroom::enter_courtroom(int p_cid)
   //ui_server_chatlog->setHtml(ui_server_chatlog->toHtml());
 
   ui_char_select_background->hide();
+  if (ao_app->shownames_enabled)
+  {
     ui_ic_chat_name->setPlaceholderText(ao_app->get_showname(f_char));
+    ui_ic_chat_name->setEnabled(true);
+  }
+  else
+  {
+    ui_ic_chat_name->setPlaceholderText("---");
+    ui_ic_chat_name->setEnabled(false);
+  }
 
   ui_ic_chat_message->setEnabled(m_cid != -1);
   ui_ic_chat_message->setFocus();
@@ -894,6 +913,9 @@ void Courtroom::list_areas()
   for (int n_area = 0 ; n_area < area_list.size() ; ++n_area)
   {
     QString i_area = area_list.at(n_area);
+
+    if (ao_app->arup_enabled)
+    {
       i_area.append("\n  ");
 
       i_area.append(arup_statuses.at(n_area));
@@ -904,16 +926,20 @@ void Courtroom::list_areas()
 
       i_area.append(QString::number(arup_players.at(n_area)));
       i_area.append(" users | ");
+
       if (arup_locks.at(n_area) == true)
           i_area.append("LOCKED");
       else
           i_area.append("OPEN");
+    }
 
     if (i_area.toLower().contains(ui_music_search->text().toLower()))
     {
       ui_area_list->addItem(i_area);
       area_row_to_number.append(n_area);
 
+      if (ao_app->arup_enabled)
+      {
         // Colouring logic here.
         ui_area_list->item(n_listed_areas)->setBackground(free_brush);
         if (arup_locks.at(n_area))
@@ -933,6 +959,11 @@ void Courtroom::list_areas()
             else if (arup_statuses.at(n_area) == "GAMING")
                 ui_area_list->item(n_listed_areas)->setBackground(gaming_brush);
         }
+      }
+      else
+      {
+        ui_area_list->item(n_listed_areas)->setBackground(free_brush);
+      }
 
       ++n_listed_areas;
     }
@@ -3070,6 +3101,13 @@ void Courtroom::on_spectator_clicked()
 
 void Courtroom::on_call_mod_clicked()
 {
+  if (!ao_app->modcall_reason_enabled)
+  {
+    ao_app->send_server_packet(new AOPacket("ZZ#%"));
+    ui_ic_chat_message->setFocus();
+    return;
+  }
+
   bool ok;
   QString text = QInputDialog::getText(ui_viewport, "Call a mod",
                                                "Reason for the modcall (optional):", QLineEdit::Normal,

packet_distribution.cpp

@@ -147,6 +147,10 @@ void AOApplication::server_packet_received(AOPacket *p_packet)
     improved_loading_enabled = false;
     desk_mod_enabled = false;
     evidence_enabled = false;
+    shownames_enabled = false;
+    charpairs_enabled = false;
+    arup_enabled = false;
+    modcall_reason_enabled = false;
 
     //workaround for tsuserver4
     if (f_contents.at(0) == "NOENCRYPT")
@@ -192,6 +196,14 @@ void AOApplication::server_packet_received(AOPacket *p_packet)
       desk_mod_enabled = true;
     if (f_packet.contains("evidence",Qt::CaseInsensitive))
       evidence_enabled = true;
+    if (f_packet.contains("cc_customshownames",Qt::CaseInsensitive))
+      shownames_enabled = true;
+    if (f_packet.contains("characterpairs",Qt::CaseInsensitive))
+      charpairs_enabled = true;
+    if (f_packet.contains("arup",Qt::CaseInsensitive))
+      arup_enabled = true;
+    if (f_packet.contains("modcall_reason",Qt::CaseInsensitive))
+      modcall_reason_enabled = true;
   }
   else if (header == "PN")
   {

server/aoprotocol.py

@@ -213,7 +213,7 @@ class AOProtocol(asyncio.Protocol):
 
         self.client.is_ao2 = True
 
-        self.client.send_command('FL', 'yellowtext', 'customobjections', 'flipping', 'fastloading', 'noencryption', 'deskmod', 'evidence')
+        self.client.send_command('FL', 'yellowtext', 'customobjections', 'flipping', 'fastloading', 'noencryption', 'deskmod', 'evidence', 'modcall_reason', 'cc_customshownames', 'characterpairs', 'arup')
 
     def net_cmd_ch(self, _):
         """ Periodically checks the connection.