private static SnakeOrLadderEntity ParseLine(string line)
{
if (line.StartsWith("#"))
{
//Ignorring lines starting with #, those can be used for comments
return(null);
}
if (string.IsNullOrWhiteSpace(line))
{
//Ignorring empty lines
return(null);
}
string[] lineParts = line.Split(' ');
if (lineParts.Length < 2)
{
Console.WriteLine($"ERROR: Head or tail position is missing in line. Line content: {line}");
return(null);
}
if (lineParts.Length > 2)
{
Console.WriteLine($"WARNING: Line contents additional data: {line}. Additional data in the line will be ignored.");
}
int headPosition;
int tailPosition;
try
{
headPosition = int.Parse(lineParts[0]);
tailPosition = int.Parse(lineParts[1]);
}
catch
{
Console.WriteLine($"ERROR: Components of a line can't be parsed to int. Line content: {line}");
return(null);
}
if (!SnakeOrLadderValidator.Validate(headPosition, tailPosition))
{
return(null);
}
SnakeOrLadderEntity snakeOrLadder = new SnakeOrLadderEntity(headPosition, tailPosition);
return(snakeOrLadder);
}
private static SnakeOrLadderEntity[] ParseLines(string[] lines)
{
List <SnakeOrLadderEntity> snakesAndLaddersOnBoard = new List <SnakeOrLadderEntity>();
foreach (string line in lines)
{
SnakeOrLadderEntity snakeOrLadder = ParseLine(line);
if (snakeOrLadder != null)
{
Console.WriteLine($"Loadded a {snakeOrLadder.GetVariant()} from {snakeOrLadder.HeadPosition} to {snakeOrLadder.TailPosition}.");
snakesAndLaddersOnBoard.Add(snakeOrLadder);
}
}
if (!SnakeOrLadderValidator.ValidateSnakesLadderCombinations(snakesAndLaddersOnBoard))
{
return(new SnakeOrLadderEntity[0]);
}
return(snakesAndLaddersOnBoard.ToArray());
}
public OneGameStatisticsDto Simlulate(int maxTurns, bool liveGameLogging = false)
{
//player starts out of the game board
int playerPosition = 0;
int thrownDices = 0;
int numberOfJumps = 0;
int numberOfTimesPlayerIsBlocked = 0;
while (true)
{
if (thrownDices == maxTurns)
{
if (liveGameLogging)
{
Console.WriteLine($"Max turns ({maxTurns}) reached wihtout reaching the goal! Better luck in next game!");
}
break;
}
int diceResult = ThrowDice();
thrownDices++;
if (liveGameLogging)
{
Console.WriteLine($"\r\nPlayer is on position {playerPosition}. Dice gave result {diceResult} on throwing number {thrownDices}.");
}
//check if player would be moved out of the board
if (playerPosition + diceResult > 100)
{
if (liveGameLogging)
{
Console.WriteLine($"Player can't move. \t\t\t<-- IMPORTANT");
}
numberOfTimesPlayerIsBlocked++;
continue;
}
//move player
playerPosition += diceResult;
if (liveGameLogging)
{
Console.WriteLine($"Moved player by {diceResult} to position {playerPosition}");
}
//execute snake or ladder jump if there is one of those at new player's position
SnakeOrLadderEntity snakeOrLadderAtNewPlayerPosition = SnakesAndLadders.SingleOrDefault(element => element.HeadPosition == playerPosition);
if (snakeOrLadderAtNewPlayerPosition != null)
{
int whereToJump = snakeOrLadderAtNewPlayerPosition.TailPosition;
if (liveGameLogging)
{
Console.WriteLine($"Player jumped to position {whereToJump}. \t\t<-- IMPORTANT");
}
playerPosition = whereToJump;
numberOfJumps++;
}
//check if player reached game end
if (playerPosition == 100)
{
if (liveGameLogging)
{
Console.WriteLine($"Player won the game in {thrownDices} turns.");
}
break;
}
}
OneGameStatisticsDto stats = new OneGameStatisticsDto
{
Turns = thrownDices,
Jumps = numberOfJumps,
BlockedTimes = numberOfTimesPlayerIsBlocked
};
if (liveGameLogging)
{
Console.WriteLine($"\r\nLast game statistics: Turns: {thrownDices}, Jumps: {numberOfJumps}, Times player was unable to move: {numberOfTimesPlayerIsBlocked}");
}
return(stats);
}
