private void HandleCompteurRules(WorldState newWorld, int iplayer)
{
var player = this.World.Players[iplayer];
var nplayer = newWorld.Players[iplayer];
if (player.HasCompteur)
{
var home = newWorld.Caddies[iplayer];
if (nplayer.Pos == home.Pos)
{
nplayer.IncreaseScore(30);
newWorld.Compteurs.Remove(newWorld.Compteurs[player.CompteurId]);
newWorld.CheckCompteur(ref nplayer);
}
else
{
newWorld.Compteurs[player.CompteurId] = new Compteur(nplayer.Pos.X, nplayer.Pos.Y);
nplayer.UpdateCompteur(player.CompteurId);
}
}
else
{
newWorld.CheckCompteur(ref nplayer);
if (nplayer.HasCompteur)
{
nplayer.IncreaseScore(1);
}
}
newWorld.Players[iplayer] = nplayer;
}
public WorldState ApplyAction(int iplayer, Direction direction)
{
Point npos = this.GetNewPos(iplayer, direction);
var nplayers = new List<Player>(this.World.Players);
var ncompteurs = new List<Compteur>(this.World.Compteurs);
WorldState newWorld = WorldState.Create(this.World.Round, nplayers, ncompteurs, this.World.Caddies);
var player = this.World.Players[iplayer];
if (this.IsValidMove(iplayer, npos))
{
var nplayer = new Player(player.Id, npos.X, npos.Y, player.Score, PlayerState.Playing);
newWorld.Players[iplayer] = nplayer;
this.HandleCompteurRules(newWorld, iplayer);
this.HandleBaffe(newWorld, iplayer);
}
else
{
newWorld.Players[iplayer] = new Player(iplayer, player.Pos.X, player.Pos.Y, player.Score - 5,
PlayerState.Stunned);
}
this.World = newWorld;
return this.World;
}
protected override Direction InnerDecide(WorldState world)
{
var me = world.Players[this.Id];
if (!me.HasCompteur)
{
return this.GoClosestCompteur(world);
}
else
{
return this.GoHome(world);
}
}
public Direction GoClosestCompteur(WorldState world)
{
// utiliser un MoveTo ou on ne se preoccupe pas de prendre une baffe
this.Distances = new DistanceMap(world, this.Id, 2, this.LastPlayerAttacked);
this.Distances.BuildAllPath();
var cpt = this.FindClosestCompteur(world);
Log.Info("Player {0} is going compteur {1}", this.Id, cpt);
var direction = this.MoveToByShortestPath(world, world.Compteurs[cpt].Pos);
return direction;
}
private int FindClosestRabbit(WorldState world)
{
Dictionary<int, List<Tuple<int, int>>> distances =
new Dictionary<int, List<Tuple<int, int>>>();
var players = world.Players;
var compteurs = world.Compteurs;
for (var p = 0; p < players.Count; p++)
{
var player = players[p];
for (var c = 0; c < compteurs.Count; c++)
{
var compteur = compteurs[c];
var dist = compteur.Pos.Dist(player.Pos);
List<Tuple<int, int>> cptList;
if (distances.TryGetValue(c, out cptList))
{
cptList.Add(new Tuple<int, int>(dist, p));
}
else
{
distances.Add(c, new List<Tuple<int, int>> { new Tuple<int, int>(dist, p) });
}
}
}
int myCpt = -1;
int minDist = int.MaxValue;
for (int pos = 0; pos < players.Count; pos++)
{
foreach (var cpt in distances.Keys)
{
var cptDist = distances[cpt];
cptDist.Sort();
if (cptDist[pos].Item2 == this.Id && cptDist[pos].Item1 < minDist)
{
myCpt = cpt;
minDist = cptDist[pos].Item1;
}
}
if (myCpt != -1)
{
break;
}
}
return myCpt;
}
public Direction GoBaffePlayer(WorldState world, int player)
{
Log.Info("Player {0} is going to beat rabbit {1} (forbidden rabbit {2})", this.Id, player,
this.LastPlayerAttacked);
var opponent = world.Players[player].Pos;
var baffable = opponent.Adjacents();
Point shortest = opponent;
int minDist = int.MaxValue;
foreach (var pt in baffable)
{
var dist = this.Distances.Cost(pt);
if (dist < minDist)
{
shortest = pt;
minDist = dist;
}
}
return this.MoveToByShortestPath(world, shortest);
}
private Func<WorldState, Direction> SelectTactic(WorldState world)
{
var me = world.Players[this.Id];
var cpt = this.FindClosestFreeCompteur(world);
if (cpt == -1 ||
me.HasCompteur && me.Pos.Dist(me.Caddy) > world.RemainingRounds || // caddy trop loin
!me.HasCompteur && me.Pos.Dist(world.Compteurs[cpt].Pos) + me.Caddy.Dist(world.Compteurs[cpt].Pos) > world.RemainingRounds) // compteur trop loin
{
int closestPlayer = this.FindClosestRabbit(world);
return (aWorld) => this.GoBaffePlayer(aWorld, closestPlayer);
}
if (!me.HasCompteur)
{
return this.GoClosestCompteur;
}
else
{
return this.GoHome;
}
}
public Direction Decide(WorldState world)
{
this.Distances = new DistanceMap(world, this.Id, 2, this.LastPlayerAttacked);
this.Distances.BuildAllPath();
var direction = this.InnerDecide(world);
var next = world.Players[this.Id].Pos.Move(direction);
int meId = world.Players[this.Id].Id;
var adjacents = next.Adjacents();
var baffedPlayers = world.Players.Where(p => p.Id != meId
&& adjacents.Any(adj => adj == p.Pos)).ToList();
if (baffedPlayers.Count == 1)
{
this.LastPlayerAttacked = baffedPlayers[0].Id;
}
else if (baffedPlayers.Count > 0)
{
this.LastPlayerAttacked = null;
}
return direction;
}
protected override Direction InnerDecide(WorldState world)
{
var decide = SelectTactic(world);
return decide(world);
}
private int ClosestCompteur(WorldState world, List<Tuple<int, int>>[] distances, int playerId,
Func<Compteur, bool> compteurPredicate)
{
int myCpt = -1;
int minDist = int.MaxValue;
var len = distances[0].Count;
for (int pos = 0; pos < len; pos++)
{
for (var cpt = 0; cpt < distances.Length; cpt++)
{
var compteur = world.Compteurs[cpt];
if (compteurPredicate(compteur))
{
var cptDist = distances[cpt];
if (cptDist[pos].Item2 == playerId && cptDist[pos].Item1 < minDist)
{
myCpt = cpt;
minDist = cptDist[pos].Item1;
}
}
}
if (myCpt != -1)
{
break;
}
}
return myCpt;
}
protected override Direction InnerDecide(WorldState world)
{
return Direction.N;
}
private void HandleBaffe(WorldState newWorld, int iplayer)
{
}
public TestAi(int id, WorldState world)
: base(id)
{
}
public Direction MoveToByShortestPath(WorldState world, Point cpos)
{
var direction = this.Distances.MoveTo(cpos);
return direction.GetValueOrDefault(Direction.E);
}
internal int FindClosestCompteur(WorldState world)
{
var myCpt = this.FindClosestFreeCompteur(world);
if (myCpt == -1)
{
var players = world.Players;
var compteurs = world.Compteurs;
var distances = this.PlayerCompteurDistances(compteurs, players);
myCpt = this.ClosestCompteur(world, distances, this.Id, cpt => true);
}
return myCpt;
}
public Direction GoHome(WorldState world)
{
Log.Info("Player {0} is going home", this.Id);
// utiliser un MoveTo ou on se preoccupe de prendre une baffe
this.Distances = new DistanceMap(world, this.Id, 3, this.LastPlayerAttacked);
this.Distances.BuildAllPath();
var home = world.Caddies[this.Id].Pos;
var direction = this.MoveToByShortestPath(world, home);
return direction;
}
internal int FindClosestFreeCompteur(WorldState world)
{
var players = world.Players;
var compteurs = world.Compteurs;
var distances = this.PlayerCompteurDistances(compteurs, players);
return this.ClosestCompteur(world, distances, this.Id, cpt => !cpt.IsOwned);
}
public WorldSimulator(WorldState world)
{
this.World = world;
}
private static List<Direction> WhenMoving(
WorldState world, Point depart, Point destination, out Point lastPosition, int cost = 0,
int maxIteration = int.MinValue)
{
var distance = destination.Dist(depart);
maxIteration = maxIteration < distance ? distance : maxIteration;
var directions = new List<Direction>();
int i = 0;
lastPosition = depart;
while (lastPosition != destination && i < maxIteration)
{
var map = new DistanceMap(world, 0, cost, null);
map.BuildAllPath();
var dir = map.MoveTo(destination);
directions.Add(dir.Value);
var next = lastPosition.Move(dir.Value);
world.Players[0] = new Player(0, next.X, next.Y, 0, PlayerState.Playing);
lastPosition = next;
i++;
}
return directions;
}
protected abstract Direction InnerDecide(WorldState world);
internal int FindClosestRabbit(WorldState world)
{
var players = world.Players;
var mePos = world.Players[this.Id].Pos;
int closestPlayer = -1;
int minDist = int.MaxValue;
for (var p = 0; p < players.Count; p++)
{
if (p != this.Id && (!this.LastPlayerAttacked.HasValue || this.LastPlayerAttacked != p))
{
var player = players[p];
var dist = mePos.Dist(player.Pos);
if (dist < minDist)
{
minDist = dist;
closestPlayer = p;
}
}
}
return closestPlayer;
}
public static WorldState Create(int round, List<Player> players, List<Compteur> compteurs, List<Caddy> caddies)
{
var world = new WorldState(round, players, compteurs, caddies);
world.Initialize();
return world;
}
protected override Direction InnerDecide(WorldState world)
{
return this.GoClosestCompteur(world);
}