Function GetMapSizeMinus2

src/openrct2/world/Map.cpp:130–135

        return { (gameState.mapSize.x - 1) * kCoordsXYStep, (gameState.mapSize.y - 1) * kCoordsXYStep };
    }
    CoordsXY GetMapSizeMinus2()
    {
        auto& gameState = getGameState();
        return { (gameState.mapSize.x * kCoordsXYStep) + (8 * kCoordsXYStep - 2),
                 (gameState.mapSize.y * kCoordsXYStep) + (8 * kCoordsXYStep - 2) };
    }
    CoordsXY GetMapSizeMaxXY()
    {
        return GetMapSizeUnits() - CoordsXY{ 1, 1 };