// Use this for initialization
void Start()
{
MoveLocation = transform.position;
//CREATING OUR ZOMBIE BEHAVIOUR TREE
//Get reference to Zombie Blackboard
ZombieBB bb = GetComponent <ZombieBB>();
//Create our root selector
Selector rootChild = new Selector(bb); // selectors will execute it's children 1 by 1 until one of them succeeds
BTRootNode = rootChild;
//Flee Sequence
CompositeNode fleeSequence = new Sequence(bb); // The sequence of actions to take when Fleeing
FleeDecorator fleeRoot = new FleeDecorator(fleeSequence, bb); // defines the condition required to enter the flee sequence (see FleeDecorator)
fleeSequence.AddChild(new CalculateFleeLocation(bb)); // calculate a destination to flee to (just random atm)
fleeSequence.AddChild(new ZombieMoveTo(bb, this)); // move to the calculated destination
fleeSequence.AddChild(new ZombieWaitTillAtLocation(bb, this)); // wait till we reached destination
fleeSequence.AddChild(new ZombieStopMovement(bb, this)); // stop movement
fleeSequence.AddChild(new DelayNode(bb, 2.0f)); // wait for 2 seconds
//Fight sequence
CompositeNode FightSequence = new Sequence(bb); // The sequence of actions to take when Fighting
FightDecorator fightRoot = new FightDecorator(FightSequence, bb); //defines the condition required to enter the fight sequence(see FightDecorator)
//Defining a sequence for when the Zombie is to do it's combo attack, this is a nested within our FightSequence
Sequence ZombieCombo = new Sequence(bb);
ZombieCombo.AddChild(new ZombieClawPlayer(bb)); // claw the player
ZombieCombo.AddChild(new DelayNode(bb, 0.8f)); // wait for 0.8 seconds
ZombieCombo.AddChild(new ZombieBitePlayer(bb)); // bite the player
ZombieCombo.AddChild(new DelayNode(bb, 1.5f)); // wait for 1.5 seconds
FightSequence.AddChild(new ZombieMoveToPlayer(bb, this)); // constantly move to player until within range
FightSequence.AddChild(new ZombieStopMovement(bb, this)); // stop movement
FightSequence.AddChild(ZombieCombo); // perform combo sequence
//Adding to root selector
rootChild.AddChild(fleeRoot);
rootChild.AddChild(fightRoot);
//Execute our BT every 0.1 seconds
InvokeRepeating("ExecuteBT", 0.1f, 0.1f);
}
public FleeDecorator(BTNode WrappedNode, Blackboard bb) : base(WrappedNode, bb)
{
zBB = (ZombieBB)bb;
}
public ZombieMoveToPlayer(Blackboard bb, Zombie zombay) : base(bb)
{
zBB = (ZombieBB)bb;
zombieRef = zombay;
}
public ZombieWaitTillAtLocation(Blackboard bb, Zombie zombay) : base(bb)
{
zBB = (ZombieBB)bb;
zombieRef = zombay;
}
public CalculateFleeLocation(Blackboard bb) : base(bb)
{
zBB = (ZombieBB)bb;
}
