private void SelectAttack(SnakeHydra head)
{
var weightedList = new WeightedList <Snake.Action>();
weightedList.Add(new Snake.ActionIdle(head), 30);
Vector2 dist = Target.Position - Position;
if (Heads.Count(x => x.CurrentAction is Snake.ActionBite) < 2 && dist.LengthSquared() < 90 * 90)
{
weightedList.Add(new Snake.ActionBite(head, 60 + Random.Next(60), 20, 60 + Random.Next(60)), 50);
}
if (Heads.Count(x => x.CurrentAction is Snake.ActionSpit) < 1)
{
weightedList.Add(new Snake.ActionSpit(head, Target, new Vector2(0, -70), 60, 20, 20, 20), 30);
}
if (Heads.Count(x => x.CurrentAction is Snake.ActionBreath) < 1 && Math.Abs(dist.X) < 100)
{
weightedList.Add(new Snake.ActionBreath(head, Target, 80, 120, 60), 30);
}
head.CurrentAction = weightedList.GetWeighted(Random);
}
private Potion BrewPotion(Meat meat)
{
Random random = new Random(meat.MeatType.GetHashCode());
return(Potions.GetWeighted(random)());
}
public void UpdateAI()
{
var viewSize = new Vector2(200, 50);
RectangleF viewArea = new RectangleF(Position - viewSize / 2, viewSize);
if (viewArea.Contains(World.Player.Position))
{
Target = World.Player;
TargetTime = 200;
}
else
{
TargetTime--;
if (TargetTime <= 0)
{
Target = null;
}
}
if (Target != null) //Engaged
{
if (CurrentAction is ActionHit)
{
}
else if (CurrentAction is ActionEnemyDeath)
{
}
else if (CurrentAction is ActionJump)
{
}
else if (CurrentAction is ActionClimb)
{
OnWall = false;
}
else
{
foreach (var weaponAI in GetWeaponAIs(Weapon))
{
weaponAI.Update(this);
}
if (DifferenceVector.X < 0)
{
Owner.Facing = HorizontalFacing.Left;
}
else if (DifferenceVector.X > 0)
{
Owner.Facing = HorizontalFacing.Right;
}
float preferredDistanceMin = 20;
float preferredDistanceMax = 30;
if (Target.Invincibility > 0)
{
preferredDistanceMin = 30;
preferredDistanceMax = 40;
}
if (Target.InAir)
{
preferredDistanceMin = 40;
preferredDistanceMax = 50;
}
if (CurrentAction is ActionMove move)
{
move.WalkingLeft = false;
move.WalkingRight = false;
}
if (Math.Abs(DifferenceVector.X) > preferredDistanceMax)
{
Owner.WalkConstrained(DifferenceVector.X);
}
if (Math.Abs(DifferenceVector.X) < preferredDistanceMin)
{
Owner.WalkConstrained(-DifferenceVector.X);
}
}
AttackCooldown--;
RangedCooldown--;
}
else //Idle
{
IdleTime--;
switch (Idle)
{
case (IdleState.Wait):
break;
case (IdleState.MoveLeft):
Owner.Facing = HorizontalFacing.Left;
Owner.WalkConstrained(-1);
break;
case (IdleState.MoveRight):
Owner.Facing = HorizontalFacing.Right;
Owner.WalkConstrained(1);
break;
}
if (OnWall)
{
if (Idle == IdleState.MoveLeft)
{
Idle = IdleState.MoveRight;
}
else if (Idle == IdleState.MoveRight)
{
Idle = IdleState.MoveLeft;
}
OnWall = false;
IdleTime = 70;
}
if (IdleTime <= 0)
{
WeightedList <IdleState> nextState = new WeightedList <IdleState>();
nextState.Add(IdleState.Wait, 30);
nextState.Add(IdleState.MoveLeft, 70);
nextState.Add(IdleState.MoveRight, 70);
IdleTime = Owner.Random.Next(50) + 20;
Idle = nextState.GetWeighted(Owner.Random);
}
}
}