private double GetAngle(MapPosition pos1, MapPosition pos2)
{
float deltaX = pos2.X - pos1.X;
float deltaY = pos2.Y - pos1.Y;
return(Math.Atan2(deltaY, deltaX) * 180.0 / Math.PI);
}
private PlayerInstance GetClosestEnemy()
{
var allEnemyPosition = new List <MapPosition>();
// traverse ViewRadius
for (var i = 1; i <= _player.ViewRadius; i++)
{
for (var j = 1; j <= _player.ViewRadius; j++)
{
var x = _player.Position.X - _player.ViewRadius + i;
var y = _player.Position.Y - _player.ViewRadius + j;
var inspectedPosition = new MapPosition(x, y);
if (!MapPosition.IsOutOfBounds(inspectedPosition))
{
var field = Map.GetField(x, y);
if (MapPosition.IsOccupied(field))
{
allEnemyPosition.Add(field);
}
}
}
}
if (allEnemyPosition.Count > 0)
{
allEnemyPosition.Sort((origin, position) =>
(int)(Vector2.Distance(position.DistanceAsVector(), origin.DistanceAsVector()) * 100));
return(allEnemyPosition[0].Occupant);
}
return(null);
}
private Direction GetCenterDirection()
{
var centerFields = MapCenter();
var freeField = centerFields.First(t => MapPosition.IsOccupied(t) == false);
var angle = GetAngle(_player.Position, freeField);
return(AdvanceDirection(angle));
}
public void Attack(MapPosition targetPosition)
{
if (MapPosition.IsOccupied(targetPosition) && _player.ActionPoints > 0)
{
var target = targetPosition.Occupant;
target.Hitpoints -= 1;
_player.ActionPoints -= 1;
}
}
public PlayerInstance(int playerId, string name, Character character, int hitpoints, MapPosition position, int viewRadius)
{
PlayerId = playerId;
Name = name;
Character = character;
Hitpoints = hitpoints;
Position = position;
_playerAi = new PlayerAI(this, null);
ActionPoints = 1; // to make testing easier
ViewRadius = viewRadius;
}
public void Move(Direction direction)
{
var newPosition = _player.Position;
switch (direction)
{
case Direction.Up:
newPosition.Y -= 1;
break;
case Direction.Down:
newPosition.Y += 1;
break;
case Direction.Left:
newPosition.X -= 1;
break;
case Direction.Right:
newPosition.X += 1;
break;
case Direction.None:
goto default;
default:
break;
}
if (newPosition.MovementOutOfBounds(direction) && !MapPosition.IsOccupied(newPosition) &&
_player.ActionPoints > 0)
{
_player.Position = newPosition;
_player.ActionPoints -= 1;
}
}
public static bool IsOccupied(MapPosition position)
{
return(position.Occupant != null);
}
public static bool IsOutOfBounds(MapPosition position)
{
return(position.Y < 0 || position.Y > ArenaMap.ARENA_SIZE ||
position.X < 0 || position.X > ArenaMap.ARENA_SIZE);
}