public Program()
{
// Initialise player's location
var r = new Random();
playerLocation = new UPoint((uint)r.Next(0xffff), (uint)r.Next(0xffff));
state = State.Galaxy;
}
public Zone(UPoint at)
{
this.at = at;
// The seed is generated by combining the lowest 2 bytes of x and y into 1 unit.
// This means that the universe will repeat every 65536 x and y b
lehmer = new LehmerPRNG((at.X & 0xFFFF) << 16 | (at.Y & 0xFFFF));
var isStar = lehmer.NextBool(CHANCE_OF_STAR);
if (!isStar)
{
return;
}
this.Star = new Star(lehmer);
}
public void RenderGalaxy()
{
var windowSize = new UPoint(80, 30);
var windowOrigin = new UPoint(
playerLocation.X - (windowSize.X / 2),
playerLocation.Y - (windowSize.Y / 2));
Console.WriteLine("Navigate the galaxy using the cursor keys.");
Console.WriteLine("Press Enter to view system details.");
Console.WriteLine();
Console.WriteLine($"Current Location: X:{playerLocation.X}, Y:{playerLocation.Y}");
Console.WriteLine();
for (uint y = 0; y < windowSize.Y; y++)
{
for (uint x = 0; x < windowSize.X; x++)
{
var currentUPoint = new UPoint(
x + windowOrigin.X,
y + windowOrigin.Y);
var zone = new Zone(currentUPoint);
if (currentUPoint.X == playerLocation.X &&
currentUPoint.Y == playerLocation.Y)
{
Console.Write(zone.HasStar ? "@" : "@");
}
else
{
Console.Write(zone.HasStar ? "*" : " ");
}
}
Console.WriteLine();
}
Console.WriteLine();
var current = new Zone(playerLocation);
if (current.HasStar)
{
Console.WriteLine(current.Star !);
if (current.Star !.HasPlanets)
{
Console.WriteLine(" - Planetary bodies found.");
}
}
}
private void HandleUserInput()
{
var key = Console.ReadKey();
if (state == State.Galaxy)
{
switch (key.Key)
{
case ConsoleKey.LeftArrow:
playerLocation = new UPoint(playerLocation.X - 1, playerLocation.Y);
break;
case ConsoleKey.RightArrow:
playerLocation = new UPoint(playerLocation.X + 1, playerLocation.Y);
break;
case ConsoleKey.UpArrow:
playerLocation = new UPoint(playerLocation.X, playerLocation.Y - 1);
break;
case ConsoleKey.DownArrow:
playerLocation = new UPoint(playerLocation.X, playerLocation.Y + 1);
break;
case ConsoleKey.Enter:
state = State.System;
break;
default:
break;
}
}
else if (state == State.System)
{
if (key.Key == ConsoleKey.Enter)
{
state = State.Galaxy;
}
}
}
