/* Board constructor. This Constructor
* is used once per actor. One actor only ever
* has one AI, though they may go through multiple states
* and triggers.
*/
public AI(AI ai, Actor _body)
{
//IMP
this.CurrentState = ai.CurrentState.Copy();
this.Attach(_body);
this.ActiveTriggers = new List<AITrigger>();
this.ResetActiveTriggers();
}
public void InitializeAIHoming()
{
AIState move = new AIState(true, false);
AIState home = new AIState(true, true);
CollisionCounter c = new CollisionCounter(40, 3, Device);
var t1 = new TriggerCollision(home, c, 0, false);
move.AddTrigger(t1);
AIHoming = new AI(move);
}
/* AI For enemy actors. When a friendly (player)
* actor comes close, the actor will stop moving.
*/
public void InitializeAICloseStop()
{
AIState move = new AIState(true, false);
AIState stop = new AIState(false, false);
CollisionCounter c = new CollisionCounter(30, 3, Device);//radius of 15, collides with Friendly Actors
var t1 = new TriggerCollision(stop, c, 0, false); // trips when more than 1 friendly actor in radius
var t2 = new TriggerCollision(move, c, 1, true); // trips when there are no friendly actors in radius
move.AddTrigger(t1);
stop.AddTrigger(t2);
AICloseStop = new AI(move);
}
//adds trigger to the board, and attaches it to an actor
private void AddTriggers(AI ai)
{
foreach (AITrigger ait in ai.GetActiveTriggers())
{
ait.Attach(ai.GetBody());
if (ait is TriggerCollision)
{
var tc = (TriggerCollision)ait;
var cCounter = tc.GetCollisionCounter();
InsertCollidable(cCounter);
}
PieceList.Add(ait);
}
}
/* Whenever an AI gets added, we need to make sure that
* their triggers and assorted addons are added as well.
* this method managed that.
*/
private void AddAI(AI ai)
{
AIList.Add(ai);
AddTriggers(ai);
}
public void NewEnemy()
{
Random r = new Random();
int xpos = r.Next(50, 400);
int ypos = r.Next(50, 400);
Vector2 pos = new Vector2(xpos, ypos);
Actor a = new Actor(Data.baseEnemyActor, pos);
AI ai = new AI(Data.AIHoming, a);
InsertCollidable(a);
AddAI(ai);
}
/* AI that sets the actor to move and shoot
*/
public void InitializeAIStartStop()
{
//first, the two basic states: move or stop
AIState move = new AIState(true, false);
AIState stop = new AIState(false, false);
//now, we connect them with the appropriate triggers
var t1 = new TriggerTime(stop, 0.25f);
var t2 = new TriggerTime(move, 0.25f);
move.AddTrigger(t1);
stop.AddTrigger(t2);
AIStartStop = new AI(move);
}