/// <summary>
/// Handles turns for AI players.
/// </summary>
private IEnumerator AITurn()
{
// AI delay before continuing
yield return(new WaitForSeconds(AIPlayer.AIDelay));
if (state == State.Placement)
{
// Get a placement move
PlacementMove pm = ((AIPlayer)players[turnIndex]).PlacementMove();
placementPiece = pm.PlacementPiece;
// Click the placement piece
placementPiece.OnMouseUpAsButton();
yield return(new WaitForSeconds(AIPlayer.AIDelay));
// Click the placement tile
SelectedTile(pm.Destination);
}
else
{
// Get a weighted move
WeightedMove wm = players[turnIndex].DoTurn();
// Do the turn
SelectedTile(wm.piece.GetNode());
yield return(new WaitForSeconds(AIPlayer.AIDelay));
SelectedTile(wm.dest);
}
}
/// <summary>
/// Ties the WeightedAI together, gets the
/// moves, picks one and executes
/// </summary>
/// <returns>The turn.</returns>
public override WeightedMove DoTurn()
{
moves = GetAllAvailableMoves();
WeightMoves(moves);
WeightedMove pickedMove = null;
//Attempts before defaulting to random move
int Attempts = 10;
while (Attempts > 0)
{
int maxRoll = 999;
int roll = new System.Random().Next(maxRoll + 1);
if (roll > maxRoll - attackWeight && AttackMoves.Count > 0)
{
PickAttackMoves(AttackMoves);
pickedMove = AttackMoves[new System.Random().Next(0, AttackMoves.Count)];
UnityEngine.Debug.Log(pickedMove.attackValue);
UnityEngine.Debug.Log("Attack move picked");
}
else if (roll > maxRoll - attackWeight - safeWeight && SafeMoves.Count > 0)
{
pickedMove = SafeMoves[new System.Random().Next(0, SafeMoves.Count)];
UnityEngine.Debug.Log("Safe move picked");
}
else if (roll > maxRoll - attackWeight - safeWeight - wayWeight && WayMoves.Count > 0)
{
pickedMove = WayMoves[new System.Random().Next(0, WayMoves.Count)];
UnityEngine.Debug.Log("Way move picked");
}
else if (roll > maxRoll - attackWeight - safeWeight - wayWeight - neutralWeight && NeutralMoves.Count > 0)
{
pickedMove = NeutralMoves[new System.Random().Next(0, NeutralMoves.Count)];
UnityEngine.Debug.Log("Way move picked");
}
else if (BadMoves.Count > 0)
{
pickedMove = BadMoves[new System.Random().Next(0, BadMoves.Count)];
UnityEngine.Debug.Log("Bad move picked");
}
if (pickedMove != null)
{
break;
}
Attempts--;
}
//Empty out all saved moves
BadMoves.Clear();
WayMoves.Clear();
SafeMoves.Clear();
AttackMoves.Clear();
//No valid moves, or failed to choose
if (Attempts == 0)
{
UnityEngine.Debug.Log("WeightedAI could not decide. Random Move.");
return(RandomMove());
}
else
{
UnityEngine.Debug.Log("WeightedAI moved.");
return(pickedMove);
}
}