Feat: New command "Hide aircraft ahead"

Author: TwinFan

Include/Constants.h

@@ -228,6 +228,7 @@ constexpr const char* REMOTE_SIGNATURE      =  "TwinFan.plugin.XPMP2.Remote";
 #define MENU_HAVE_TCAS          "TCAS controlled"
 #define MENU_HAVE_TCAS_REQUSTD  "TCAS controlled (requested)"
 #define MENU_TOGGLE_LABELS      "Labels shown"
+#define MENU_TOGGLE_AC_AHEAD    "Hide Aircraft ahead"
 #define MENU_SETTINGS_UI        "Settings..."
 #define MENU_HELP               "Help"
 #define MENU_HELP_DOCUMENTATION "Documentation"

Include/DataRefs.h

@@ -449,6 +449,7 @@ enum cmdRefsLT {
     CR_AC_DISPLAYED,
     CR_AC_TCAS_CONTROLLED,
     CR_LABELS_TOGGLE,
+    CR_TOGGLE_AC_AHEAD,                 ///< Toggle visibility of the a/c ahead
     CR_SETTINGS_UI,
     CNT_CMDREFS_LT                      // always last, number of elements
 };

Src/DataRefs.cpp

@@ -684,6 +684,7 @@ struct cmdRefDescrTy {
     {"LiveTraffic/Aircrafts/Display",                   "Starts/Stops display of live aircraft"},
     {"LiveTraffic/Aircrafts/TCAS_Control",              "TCAS Control toggle: Tries to take control over AI aircraft, or release it"},
     {"LiveTraffic/Aircrafts/Toggle_Labels",             "Toggle display of labels in current view"},
+    {"LiveTraffic/Aircrafts/Toggle_Ahead",              "Toggle visibility of aircraft ahead"},
     {"LiveTraffic/Settings/Open",                       "Opens/Closes the Settings window"},
 };
 

Src/LiveTraffic.cpp

@@ -46,6 +46,7 @@ enum menuItems {
     MENU_ID_TOGGLE_AIRCRAFT,
     MENU_ID_HAVE_TCAS,
     MENU_ID_TOGGLE_LABELS,
+    MENU_ID_TOGGLE_AC_AHEAD,
     MENU_ID_SETTINGS_UI,
     MENU_ID_HELP,
     MENU_ID_HELP_DOCUMENTATION,
@@ -104,6 +105,25 @@ void MenuHandler(void * /*mRef*/, void * iRef)
                 XPLMCheckMenuItem(menuID, aMenuItems[MENU_ID_TOGGLE_LABELS],
                                   dataRefs.ToggleLabelDraw() ? xplm_Menu_Checked : xplm_Menu_Unchecked);
                 break;
+            case MENU_ID_TOGGLE_AC_AHEAD:
+            {
+                bool bMenuActive = false;
+                const LTFlightData* pfdFocus = LTFlightData::FindFocusAc(dataRefs.GetViewHeading());
+                if (pfdFocus && pfdFocus->hasAc()) {
+                    LTAircraft* pAc = pfdFocus->GetAircraft();
+                    if (pAc->IsVisible())                   // if visible
+                        pAc->SetVisible(false);             //   hide
+                    else {                                  // else
+                        pAc->SetVisible(true);              //   show
+                        pAc->SetAutoVisible(true);          //   and (re)activate auto-show
+                    }
+                    bMenuActive = !pAc->IsVisible();
+                }
+                XPLMCheckMenuItem(menuID, aMenuItems[MENU_ID_TOGGLE_AC_AHEAD],
+                                  bMenuActive ? xplm_Menu_Checked : xplm_Menu_Unchecked);
+                break;
+            }
+                
             case MENU_ID_SETTINGS_UI:
                 XPLMCheckMenuItem(menuID,aMenuItems[MENU_ID_SETTINGS_UI],
                                   LTSettingsUI::ToggleDisplay() ? xplm_Menu_Checked : xplm_Menu_Unchecked);
@@ -192,6 +212,11 @@ void MenuUpdateAllItemStatus()
                         dataRefs.AwaitingAIControl() ? MENU_HAVE_TCAS_REQUSTD : MENU_HAVE_TCAS,
                         0);
 
+    // Is the aircraft ahead hidden or visible?
+    const LTFlightData* pfdFocus = LTFlightData::FindFocusAc(dataRefs.GetViewHeading());
+    XPLMCheckMenuItem(menuID, aMenuItems[MENU_ID_TOGGLE_AC_AHEAD],
+                      pfdFocus && pfdFocus->hasAc() && !pfdFocus->GetAircraft()->IsVisible() ? xplm_Menu_Checked : xplm_Menu_Unchecked);
+    
     // Is Settings window open?
     XPLMCheckMenuItem(menuID,aMenuItems[MENU_ID_SETTINGS_UI],
                       LTSettingsUI::IsDisplayed() ? xplm_Menu_Checked : xplm_Menu_Unchecked);
@@ -305,6 +330,12 @@ bool RegisterMenuItem ()
                    dataRefs.cmdLT[CR_LABELS_TOGGLE]);
     XPLMCheckMenuItem(menuID,aMenuItems[MENU_ID_TOGGLE_LABELS],
                       dataRefs.ShallDrawLabels() ? xplm_Menu_Checked : xplm_Menu_Unchecked);
+
+    // Toggle visibility of aircraft ahead
+    aMenuItems[MENU_ID_TOGGLE_AC_AHEAD] =
+    AppendMenuItem(menuID, MENU_TOGGLE_AC_AHEAD, (void *)MENU_ID_TOGGLE_AC_AHEAD,
+                   dataRefs.cmdLT[CR_TOGGLE_AC_AHEAD]);
+
 
     // Separator
     XPLMAppendMenuSeparator(menuID);
@@ -379,6 +410,7 @@ struct cmdMenuMap {
     { CR_AC_DISPLAYED,              MENU_ID_TOGGLE_AIRCRAFT },
     { CR_AC_TCAS_CONTROLLED,        MENU_ID_HAVE_TCAS },
     { CR_LABELS_TOGGLE,             MENU_ID_TOGGLE_LABELS },
+    { CR_TOGGLE_AC_AHEAD,           MENU_ID_TOGGLE_AC_AHEAD },
     { CR_SETTINGS_UI,               MENU_ID_SETTINGS_UI },
 };
 

docs/readme.html

@@ -160,6 +160,12 @@ <h3>v3.5.1</h3>
                     historic timestamp when modifying timestamp again.</li>
             </ul>
         </li>
+        <li>
+            Added command to toggle visibility of aircraft ahead,
+            available as <a href="https://twinfan.gitbook.io/livetraffic/using-lt/menu-items/configuring-commands">joystick button or keyboard assignment</a>
+            "LiveTraffic/Aircrafts/Toggle_Ahead"
+            and as new <a href="https://twinfan.gitbook.io/livetraffic/using-lt/menu-items#hide-aicraft-ahead">menu item "Hide aircraft ahead"</a>.
+        </li>
         <li>
             OpenSky Master File: Removal of no longer used database files.
         </li>