Stick to the new name

src/start_menu.c

@@ -293,7 +293,7 @@ static void BuildStartMenuActions(void)
     {
         BuildBattlePikeStartMenu();
     }
-    else if (InBattlePyramid())
+    else if (CurrentBattlePyramidLocation() != PYRAMID_LOCATION_NONE)
     {
         BuildBattlePyramidStartMenu();
     }
@@ -439,7 +439,7 @@ static void RemoveExtraStartMenuWindows(void)
         CopyWindowToVram(sSafariBallsWindowId, COPYWIN_GFX);
         RemoveWindow(sSafariBallsWindowId);
     }
-    if (InBattlePyramid())
+    if (CurrentBattlePyramidLocation() != PYRAMID_LOCATION_NONE)
     {
         ClearStdWindowAndFrameToTransparent(sBattlePyramidFloorWindowId, FALSE);
         RemoveWindow(sBattlePyramidFloorWindowId);
@@ -499,7 +499,7 @@ static bool32 InitStartMenuStep(void)
     case 3:
         if (GetSafariZoneFlag())
             ShowSafariBallsWindow();
-        if (InBattlePyramid())
+        if (CurrentBattlePyramidLocation() != PYRAMID_LOCATION_NONE)
             ShowPyramidFloorWindow();
         sInitStartMenuData[0]++;
         break;
@@ -720,7 +720,7 @@ static bool8 StartMenuPlayerNameCallback(void)
 
 static bool8 StartMenuSaveCallback(void)
 {
-    if (InBattlePyramid())
+    if (CurrentBattlePyramidLocation() != PYRAMID_LOCATION_NONE)
         RemoveExtraStartMenuWindows();
 
     gMenuCallback = SaveStartCallback; // Display save menu
@@ -981,7 +981,7 @@ static u8 SaveConfirmSaveCallback(void)
     RemoveStartMenuWindow();
     ShowSaveInfoWindow();
 
-    if (InBattlePyramid())
+    if (CurrentBattlePyramidLocation() != PYRAMID_LOCATION_NONE)
     {
         ShowSaveMessage(gText_BattlePyramidConfirmRest, SaveYesNoCallback);
     }