Fix #16008: Can select elements when no tile selected

distribution/changelog.txt

@@ -4,6 +4,7 @@
 - Feature: [#714] Allow up to 255 trains per ride.
 - Feature: [#2253] Path surfaces and railings can be mixed and matched, like in RCT1.
 - Improved: [#10664] Invisibility status is now shown in the Tile Inspector.
+- Fix: [#16008] Tile Inspector can select elements from last tile without reselecting it.
 
 0.3.5.1 (2021-11-21)
 ------------------------------------------------------------------------

src/openrct2-ui/windows/TileInspector.cpp

@@ -1337,6 +1337,10 @@ static void WindowTileInspectorSetPage(rct_window* w, const TileInspectorPage pa
 
 static void WindowTileInspectorScrollmousedown(rct_window* w, int32_t scrollIndex, const ScreenCoordsXY& screenCoords)
 {
+    // There is nothing to interact with when no tile is selected
+    if (!windowTileInspectorTileSelected)
+        return;
+
     // Because the list items are displayed in reverse order, subtract the calculated index from the amount of elements
     const int16_t index = windowTileInspectorElementCount - (screenCoords.y - 1) / SCROLLABLE_ROW_HEIGHT - 1;
     WindowTileInspectorSelectElementFromList(w, index);