Fix #8720: Desync due to boats colliding with ghost pieces

distribution/changelog.txt

@@ -67,6 +67,7 @@
 - Fix: [#8591] Game loop does not run at a consistent tick rate of 40 Hz.
 - Fix: [#8647] Marketing campaigns check for entry fees below £1 (original bug). 
 - Fix: [#8653] Crash when peeps attempt to enter a ride with no vehicles.
+- Fix: [#8720] Desync due to boats colliding with ghost pieces.
 - Improved: [#2940] Allow mouse-dragging to set patrol area (Singleplayer only).
 - Improved: [#7730] Draw extreme vertical and lateral Gs red in the ride window's graph tab.
 - Improved: [#7930] Automatically create folders for custom content.

src/openrct2/network/Network.cpp

@@ -30,7 +30,7 @@
 // This string specifies which version of network stream current build uses.
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
-#define NETWORK_STREAM_VERSION "39"
+#define NETWORK_STREAM_VERSION "40"
 #define NETWORK_STREAM_ID OPENRCT2_VERSION "-" NETWORK_STREAM_VERSION
 
 static rct_peep* _pickup_peep = nullptr;

src/openrct2/ride/Vehicle.cpp

@@ -4656,6 +4656,9 @@ static bool vehicle_boat_is_location_accessible(const TileCoordsXYZ& location)
     TileElement* tileElement = map_get_first_element_at(location.x, location.y);
     do
     {
+        if (tileElement->IsGhost() == true)
+            continue;
+
         if (tileElement->GetType() == TILE_ELEMENT_TYPE_SURFACE)
         {
             int32_t waterZ = tileElement->AsSurface()->GetWaterHeight() * 2;