/// <summary>
/// Moves the monster one unit in a
/// random direction.
/// </summary>
private void MoveRandomOne()
{
var result = GameManager.Random.Next(0, 4);
switch (result)
{
case 0:
if (Dungeon.CanMove(this, 1, 0) &&
Dungeon.NotAClosedDoor(Y + 1, X))
{
Dungeon.MoveEntity(this, 1, 0);
}
MoveTimer.PerformAction();
break;
case 1:
if (Dungeon.CanMove(this, -1, 0) &&
Dungeon.NotAClosedDoor(Y - 1, X))
{
Dungeon.MoveEntity(this, -1, 0);
}
MoveTimer.PerformAction();
break;
case 2:
if (Dungeon.CanMove(this, 0, 1) &&
Dungeon.NotAClosedDoor(Y, X + 1))
{
Dungeon.MoveEntity(this, 0, 1);
}
MoveTimer.PerformAction();
break;
case 3:
if (Dungeon.CanMove(this, 0, -1) &&
Dungeon.NotAClosedDoor(Y, X - 1))
{
Dungeon.MoveEntity(this, 0, -1);
}
MoveTimer.PerformAction();
break;
}
}
/// <summary>
/// Moves the current monster to the
/// lowest neighboring weight.
/// </summary>
private bool MoveToLowestWeight()
{
// Find lowest
var lowest = 10000;
List <int[]> lowests = new List <int[]>();
var foundWeight = false;
foreach (var n in Dungeon.Grid[Y][X].Neighbors)
{
// Touching player aka don't move
if (Dungeon.Grid[n[0]][n[1]].Local is Player)
{
return(true);
}
// Equal lowest values
if (Dungeon.Grid[n[0]][n[1]].Weight != 0 &&
Dungeon.Grid[n[0]][n[1]].Weight == lowest)
{
if (Dungeon.Grid[n[0]][n[1]].Local != null)
{
continue;
}
lowests.Add(n);
}
// New lowest values
if (Dungeon.Grid[n[0]][n[1]].Weight != 0 &&
Dungeon.Grid[n[0]][n[1]].Weight < lowest)
{
if (Dungeon.Grid[n[0]][n[1]].Local != null)
{
continue;
}
lowest = Dungeon.Grid[n[0]][n[1]].Weight;
lowests.Clear();
lowests.Add(n);
foundWeight = true;
}
}
if (!foundWeight)
{
return(false);
}
// Try to move to all equal lowest values
while (lowests.Count > 0)
{
if (Dungeon.CanMove(this, lowests[0][0] - Y, lowests[0][1] - X))
{
Dungeon.MoveEntity(this, lowests[0][0] - Y, lowests[0][1] - X);
MoveTimer.PerformAction();
}
else
{
lowests.RemoveAt(0);
}
}
return(true);
}