public override void DoAction()
{
Player newPlayer = new Player(tank);
PlayerJoinedEventArgs args = new PlayerJoinedEventArgs(newPlayer);
Bot.InvokePlayerJoined(args);
args.Dispose();
}
/// <summary>
/// Find the shortest path to the destination using the A* algorithm.
/// </summary>
/// <param name="map"></param>
/// <param name="player"></param>
/// <param name="destinationX">The destination x (in "pixels").</param>
/// <param name="destinationY">The destination y (in "pixels").</param>
/// <exception cref="InvalidOperationException">Thrown if the target destination
/// is unreachable.</exception>
public Path FindPath(Map map, Player player, int destinationX, int destinationY)
{
MinotaurPathfinder.Pathfinder pathfinder = new MinotaurPathfinder.Pathfinder(map);
pathfinder.Pathfind(map, player, destinationX, destinationY);
Path path = new Path();
foreach (MinotaurPathfinder.MetaCompleteSquare square in pathfinder.FullPath())
{
path.AppendNode(new Node(square.X, square.Y));
}
pathfinder.Dispose();
return path;
}
/// <summary>
/// Check if a player is in range of another player.
/// </summary>
/// <param name="player"></param>
/// <returns></returns>
public bool IsInRange(Player player)
{
MetaPlayer testPlayer = players[player.ID];
return testPlayer.Player.IsInRangeOf(player);
}
/// <summary>
/// Add a player to the game. Does nothing if the player was already added.
/// </summary>
/// <param name="player">Player to add.</param>
/// <param name="isLocalPlayer">True if the player is the bot.</param>
public void AddPlayer(Player player, bool isLocalPlayer)
{
if (players.ContainsKey(player.ID))
{
// Do not add duplicates.
return;
}
players[player.ID] = new MetaPlayer(player)
{
GoalAngle = player.Angle,
IsLocalPlayer = isLocalPlayer
};
}
public override void Dispose()
{
Player = null;
}
/// <summary>
///
/// </summary>
/// <param name="player"></param>
public PlayerOutOfRangeEventArgs(Player player)
{
Player = player;
}
public void Pathfind(Map map, Player player, int destinationX, int destinationY)
{
/*
*
* Find path from hero to monster. First, get coordinates
* of hero.
*
* */
Point startingPoint = new Point((int)player.Position.x / 64, -(int)player.Position.y / 64);
startingX = startingPoint.X;
startingY = startingPoint.Y;
this.destinationX = destinationX / 64;
this.destinationY = (destinationY / 64);
// Initialize path.
for (int y = 0; y < map.Height; ++y)
{
for (int x = 0; x < map.Width; ++x)
{
SquareContent content = SquareContent.Empty;
Tile tile = map.GetTile(x, y);
if (!tile.IsPassable)
{
content = SquareContent.Wall;
}
else if (x == startingX && y == startingY)
{
content = SquareContent.Starting;
}
_squares[x, y] = new CompleteSquare()
{
X = -1, Y = -1,
IsPath = false,
ContentCode = content,
DistanceSteps = 10000
};
}
}
/*
*
* Hero starts at distance of 0.
*
* */
_squares[startingPoint.X, startingPoint.Y].DistanceSteps = 0;
while (true)
{
bool madeProgress = false;
/*
*
* Look at each square on the board.
*
* */
foreach (Point mainPoint in AllSquares())
{
int x = mainPoint.X;
int y = mainPoint.Y;
/*
*
* If the square is open, look through valid moves given
* the coordinates of that square.
*
* */
Tile relevantTile = map.GetTile(x, y);
if (relevantTile.IsPassable)
{
int passHere = _squares[x, y].DistanceSteps;
foreach (Point movePoint in ValidMoves(x, y))
{
int newX = movePoint.X;
int newY = movePoint.Y;
int newPass = passHere + 1;
if (_squares[newX, newY].DistanceSteps > newPass)
{
_squares[newX, newY].DistanceSteps = newPass;
madeProgress = true;
}
}
}
}
if (!madeProgress)
{
break;
}
}
HighlightPath();
}
public MetaPlayer(Player player)
{
Player = player;
GoalTileX = -1;
GoalTileY = -1;
SecondsUntilAngle = 0;
SecondsUntilGoal = 0;
InRange = false;
}
/// <summary>
/// Set a player's rotation data (who isn't the bot itself). This is done in a
/// thread-safe way.
/// </summary>
/// <param name="player"></param>
/// <param name="angle"></param>
/// <param name="direction"></param>
public void SetPlayerRotation(Player player, double angle,
VTankObject.Direction direction)
{
player.Angle = angle;
player.RotationDirection = direction;
}
public ProjectileHitEventArgs(Player victim, int damage, bool killingBlow)
{
Victim = victim;
DamageDealt = damage;
KillingBlow = killingBlow;
}
public PlayerRespawnEventArgs(Player player)
{
Player = player;
}
/// <summary>
/// Creates event arguments about a player.
/// </summary>
/// <param name="playerID">The player's ID number.</param>
public PlayerJoinedEventArgs(Player player)
{
Player = player;
}
/// <summary>
///
/// </summary>
/// <param name="player"></param>
public PlayerInRangeEventArgs(Player player)
{
Player = player;
}
/// <summary>
///
/// </summary>
/// <param name="player"></param>
public PlayerLeftEventArgs(Player player)
{
Player = player;
}
/// <summary>
/// Rotate [player] until he is facing [angleInRadians].
/// </summary>
/// <param name="player">Player to rotate.</param>
/// <param name="angleInRadians">Angle to rotate to. This is not a theta value.</param>
public void RotateTo(Player player, double angleInRadians)
{
MetaPlayer currentPlayer = players[player.ID];
currentPlayer.GoalAngle = (angleInRadians) % (Math.PI * 2.0f);
double currentAngle = player.Angle;
double distance = 0;
VTankObject.Direction result = ShortestDistance(currentAngle, angleInRadians, out distance);
if (result == VTankObject.Direction.RIGHT)
{
player.RotationDirection = VTankObject.Direction.RIGHT;
}
else
{
player.RotationDirection = VTankObject.Direction.LEFT;
}
// Time = distance/velocity
double timeInSeconds = Math.Abs(
distance / (ANGULAR_VELOCITY * player.SpeedFactor));
currentPlayer.SecondsUntilAngle = timeInSeconds;
bot.GameServer.Rotate(currentAngle, player.RotationDirection);
}
public override void Dispose()
{
Victim = null;
}
/// <summary>
/// Set a player's movement data (who isn't the bot itself). This is done in a
/// thread-safe way.
/// </summary>
/// <param name="player"></param>
/// <param name="position"></param>
/// <param name="direction"></param>
public void SetPlayerMovement(Player player, VTankObject.Point position,
VTankObject.Direction direction)
{
player.SetPosition(position);
player.MovementDirection = direction;
}
/// <summary>
///
/// </summary>
/// <param name="playerWhoFired"></param>
/// <param name="projectile"></param>
public ProjectileFiredEventArgs(Player playerWhoFired, Projectile projectile)
{
PlayerWhoFired = playerWhoFired;
Projectile = projectile;
}
/// <summary>
/// Calculates how long it will take for the player to reach the target node.
/// </summary>
/// <param name="player"></param>
/// <param name="node"></param>
/// <returns></returns>
private static double SecondsUntilNextNode(Player player, Node current, Node next)
{
int halfTile = Tile.TILE_SIZE_IN_PIXELS / 2;
int x1 = (current.X * Tile.TILE_SIZE_IN_PIXELS) + halfTile;
int x2 = (next.X * Tile.TILE_SIZE_IN_PIXELS) + halfTile;
int y1 = (current.Y * Tile.TILE_SIZE_IN_PIXELS) - halfTile;
int y2 = (next.Y * Tile.TILE_SIZE_IN_PIXELS) - halfTile;
// Find distance to next point.
double distance = Math.Sqrt(Math.Pow(y1 - y2, 2) + Math.Pow(x1 - x2, 2));
// T = D / V
double seconds = distance / (VELOCITY * player.SpeedFactor);
return seconds;
}
public static Path FindPath(Map map, Player player,
int destinationPixelsX, int destinationPixelsY)
{
return Path.Optimize(
Algorithm.FindPath(map, player, destinationPixelsX, destinationPixelsY));
}
/// <summary>
/// Refresh the player list.
/// </summary>
public void RefreshPlayerList()
{
Game.Reset();
bool localPlayerFound = false;
GameSession.Tank[] tanks = GameServer.GetPlayerList();
for (int i = 0; i < tanks.Length; ++i)
{
bool isLocalPlayer = false;
Player newPlayer = new Player(tanks[i]);
if (newPlayer.Name.Equals(localTankName, StringComparison.CurrentCultureIgnoreCase))
{
// Found local player.
Player = newPlayer;
isLocalPlayer = true;
localPlayerFound = true;
}
Game.AddPlayer(newPlayer, isLocalPlayer);
}
if (!localPlayerFound)
{
throw new Exception("Fatal error: Local player not found in player list.");
}
}
/// <summary>
/// Check if this player is in range of another player. The range is an
/// arbitrary radius around the tank.
/// </summary>
/// <param name="other">Other player.</param>
/// <returns>True if this player is in range of another player.</returns>
public bool IsInRangeOf(Player other)
{
double x1 = Position.x;
double x2 = other.Position.x;
double y1 = Position.y;
double y2 = other.Position.y;
distance = Math.Sqrt(Math.Pow(x2 - x1, 2) + Math.Pow(y2 - y1, 2));
if (distance > Weapon.Projectile.Range)
{
return false;
}
return true;
}
