static void BuyGood(string goodName, Listing listing, GameState gameState, int amount)
{
var planetAmount = listing.Amount;
// planet must have some to buy
if (planetAmount == 0)
{
ConsoleExtensions.WithColor($"{goodName} is not for sale at {gameState.Player.Location.Planet}.", System.ConsoleColor.Yellow);
return;
}
// cannot but more than amount on planet
var amountToBuy = Math.Min(amount, planetAmount);
var cost = amountToBuy * listing.Rate;
if (gameState.Player.Cash < cost)
{
ConsoleExtensions.WithColor($"You do not have enough cash for the purchase.", System.ConsoleColor.Yellow);
return;
}
if (goodName != "fuel")
{
var usedCapacity = gameState.Player.Cargo.Goods.Sum(kvp => kvp.Value);
if (usedCapacity + amountToBuy > gameState.Player.Cargo.Capacity)
{
ConsoleExtensions.WithColor($"You do not have enough cargo capacity for the purchase.", System.ConsoleColor.Yellow);
return;
}
gameState.Player.Cargo.Goods.AddOrUpdate(goodName, amountToBuy, x => x + amountToBuy);
}
else
{
var availableCapacity = gameState.Player.FuelCapacity - gameState.Player.Fuel;
amountToBuy = Math.Min(amountToBuy, availableCapacity);
gameState.Player.Fuel += amountToBuy;
}
gameState.Player.Cash -= cost;
listing.Amount -= amountToBuy;
}
static void TravelToPlanet(string[] parts, GameState gameState)
{
string destination = "";
if (parts.Length == 2)
{
destination = parts[1];
}
if (destination == "" || !gameState.CurrentSystem.Planets.ContainsKey(destination))
{
Console.WriteLine("-----");
Console.WriteLine("Planets");
ConsoleExtensions.WriteTable(
gameState.CurrentSystem.Planets.ToArray(),
new string[] { "Planet", "Distance" },
x => new[] { x.Value.Name, gameState.DistanceTo(x.Key).ToString() }
);
return;
}
if (gameState.Player.Location.Planet == destination)
{
// already on planet
return;
}
var fuelCost = gameState.DistanceTo(destination);
if (gameState.Player.Fuel < fuelCost)
{
ConsoleExtensions.WithColor($"You do not have enough fuel to travel to {destination}.", System.ConsoleColor.Yellow);
Console.WriteLine("-----");
Console.WriteLine("Planets");
ConsoleExtensions.WriteTable(
gameState.CurrentSystem.Planets.ToArray(),
new string[] { "Planet", "Distance" },
x => new [] { x.Value.Name, gameState.DistanceTo(x.Key).ToString() }
);
return;
}
gameState.Player.Location = new Location
{
System = gameState.Player.Location.System,
Planet = destination
};
gameState.Player.Fuel -= fuelCost;
// update markets, production, consumption
foreach (var planet in gameState.CurrentSystem.Planets.Values)
{
foreach (var listing in planet.Market.Values)
{
listing.Amount += listing.Production;
listing.Amount -= listing.Consumption;
listing.Amount = Math.Max(0, listing.Amount);
listing.Amount = Math.Min(200, listing.Amount);
}
}
gameState.Player.Turn++;
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to Trader!");
var gameState = Misc.LoadGame(args);
if (gameState == null)
{
Console.WriteLine("Unable to load universe.");
return;
}
Console.WriteLine($"You are captain of the {gameState.Player.ShipName}.");
var quit = false;
while (!quit)
{
Console.WriteLine();
Console.WriteLine($"Turn: {gameState.Player.Turn}/5000");
Console.WriteLine("-----");
var usedCapacity = gameState.Player.Cargo.Goods.Sum(kvp => kvp.Value);
Console.WriteLine($"Location: {gameState.CurrentPlanet.Name}, {gameState.CurrentSystem.Name}");
Console.WriteLine($"Cash: {gameState.Player.Cash}");
Console.WriteLine($"Fuel: {gameState.Player.Fuel}/{gameState.Player.FuelCapacity}");
Console.WriteLine($"Cargo: {usedCapacity}/{gameState.Player.Cargo.Capacity}");
Console.WriteLine("-----");
var printedGoods = new List <string>();
var market = gameState.CurrentPlanet.Market;
ConsoleExtensions.WriteTable(
market.ToArray(),
new[] { "Good", "Ship", "Planet", "Rate" },
(g) => {
printedGoods.Add(g.Key);
gameState.Player.Cargo.Goods.TryGetValue(g.Key, out var amountOnShip);
return(new[] { g.Key, amountOnShip.ToString(), g.Value.Amount.ToString(), g.Value.Rate.ToString() });
}
);
Console.WriteLine("-----");
var cargo = gameState.Player.Cargo;
var unprintedGoods = cargo.Goods.Where(kvp => !printedGoods.Contains(kvp.Key)).ToArray();
if (unprintedGoods.Length > 0)
{
foreach (var kvp in unprintedGoods)
{
var good = kvp.Key;
var shipAmount = kvp.Value;
Console.WriteLine($"{good}\t{shipAmount}");
}
}
Console.WriteLine(" (b)uy good amount");
Console.WriteLine(" (s)ell good amount");
Console.WriteLine(" (t)ravel planet");
Console.WriteLine(" sa(v)e");
Console.WriteLine(" (q)uit");
var line = Console.ReadLine();
if (line.StartsWith("q"))
{
Console.WriteLine($"Your score is {gameState.Player.Cash}");
Console.WriteLine();
Console.WriteLine("High Scores");
DisplayHighScores(gameState);
quit = true;
return;
}
var save = line.StartsWith("v");
if (save)
{
Misc.SaveGame(gameState);
continue;
}
var parts = line.Split(" ");
var travel = parts[0].StartsWith("t");
if (travel)
{
TravelToPlanet(parts, gameState);
continue;
}
if (parts.Length < 3)
{
continue;
}
var goodName = parts[1];
if (!market.TryGetValue(goodName, out var listing))
{
ConsoleExtensions.WithColor($"{goodName} is not traded at {gameState.Player.Location.Planet}.", System.ConsoleColor.Yellow);
continue;
}
if (!int.TryParse(parts[2], out var amount))
{
ConsoleExtensions.WithColor($"Amount must be a number.", System.ConsoleColor.Yellow);
continue;
}
if (amount <= 0)
{
ConsoleExtensions.WithColor($"Amount must be positive.", System.ConsoleColor.Yellow);
continue;
}
var doBuy = parts[0].StartsWith("b");
if (doBuy)
{
BuyGood(goodName, listing, gameState, amount);
}
var doSell = parts[0].StartsWith("s");
if (doSell)
{
SellGood(goodName, listing, gameState, amount);
}
}
Console.WriteLine("Goodbye");
Console.ReadKey();
}