/// <summary>
/// This method will find all possible directions of the enemy
/// </summary>
private void FindDirection()
{
List <Map.Direction> possibleDirections = new List <Map.Direction>();
// Iterate all existing directions (up, down, left, right)
foreach (KeyValuePair <Map.Direction, Point> item in Map.DirectionRelation)
{
// Find the relative position of the direciton and the character
Point pos = new Point(item.Value.X + Position.X, item.Value.Y + Position.Y);
// Check if the direciton is not the oppisite
if (item.Key != Map.GetOppositeDirection(Direction) &&
// Check if the direciton is walkable
Map.IsWalkable(pos) &&
// Check if another enemy is not standing at the position
!Game.IsEnemyAtPosition(pos))
{
// If all above succeeded, add the direction to the possible directions list
possibleDirections.Add(item.Key);
}
}
// Make sure that there was atleast one possible directions
if (possibleDirections.Count > 0)
{
// Select a random direction of the possible ones
Direction = possibleDirections[new Random().Next(0, possibleDirections.Count)];
}
else
{
// If no possible direction was found, turn around to the opposite direction
Direction = Map.GetOppositeDirection(Direction);
}
}
/// <summary>
/// Move in the facing direction
/// </summary>
/// <returns>If the character could move there</returns>
public bool Move()
{
// Find the related direction
Point pos = Map.DirectionRelation[mDirection];
// Add it to the current position
pos = new Point(pos.X + Position.X, pos.Y + Position.Y);
// Make sure that it's possible to walk there and that the character is not already moving somewhere
bool walkable = IsAtWantedPosition() && Map.IsWalkable(pos);
if (walkable)
{
mWantedPosition = pos;
}
return(walkable);
}