//When the AI has sensed the player, it will move
//into pursuit mode, where it will move towards and
//attack the player.
protected void Pursue()
{
if (inLineOfSight() || listeningForNoise())
{
tankMove.RotateToward(target.transform.position);
tankMove.Move((target.transform.position - tankData.tf.position) * (Time.deltaTime * tankData.tankForwardSpeed));
tankAttack.FireCannon();
}
}
public virtual void Attack()
{
//move towards
if (CanMove(data.forwardSpeed))
{
move.Move(data.forwardSpeed);
move.RotateTowards(target.position, data.rotateSpeed);
}
else
{
//rotate towards
move.Rotate(data.rotateSpeed);
}
//attack
attack.FireCannon();
}
void SniperAttack()
{
if (control.playerIsInRange() == true)
{
move.RotateTowards(control.target.position, data.rotateSpeed);
attack.FireCannon();
}
if (data.tankCurrentLife <= (data.tankMaxLife / 2))
{
ChangeState(AIState.Flee);
}
else
{
ChangeState(AIState.Rest);
}
}
private void Update()
{
switch (input)
{
case InputScheme.WASD:
//When "W" is pressed.
if (Input.GetKey(KeyCode.W))
{
//Move function called, Object moves forward.
move.Move(data.forwardSpeed);
}
//When "S" is pressed.
else if (Input.GetKey(KeyCode.S))
{
//Move function called, Object moves back.
move.Move(-data.forwardSpeed);
}
//When neither is being pressed, audio should stop.
else
{
move.tankNoiseSource.Stop();
}
//When "D" is pressed.
if (Input.GetKey(KeyCode.D))
{
//Rotate function called, Object turns right.
move.Rotate(data.rotateSpeed);
}
//When "A" is pressed.
if (Input.GetKey(KeyCode.A))
{
//Rotate function called, Object turns left.
move.Rotate(-data.rotateSpeed);
}
//When "Q" is pressed once.
if (Input.GetKeyDown(KeyCode.Q))
{
//If weaponFire is True.
if (data.weaponFire == true)
{
//FireCannon function called.
attack.FireCannon();
}
//If weaponFire is False.
else
{
//FireGun function called.
attack.FireGun();
}
}
//When "E" is pressed once.
if (Input.GetKeyDown(KeyCode.E))
{
//change weaponFire to the opposite of what it is now (t/f).
data.weaponFire = !data.weaponFire;
}
break;
case InputScheme.IJKL:
//When "I" is pressed.
if (Input.GetKey(KeyCode.I))
{
//Move function called, Object moves forward.
move.Move(data.forwardSpeed);
}
//When "K" is pressed.
else if (Input.GetKey(KeyCode.K))
{
//Move function called, Object moves back.
move.Move(-data.forwardSpeed);
}
//When neither is being pressed, audio should stop.
else
{
move.tankNoiseSource.Stop();
}
//When "L" is pressed.
if (Input.GetKey(KeyCode.L))
{
//Rotate function called, Object turns right.
move.Rotate(data.rotateSpeed);
}
//When "J" is pressed.
if (Input.GetKey(KeyCode.J))
{
//Rotate function called, Object turns left.
move.Rotate(-data.rotateSpeed);
}
//When "U" is pressed once.
if (Input.GetKeyDown(KeyCode.U))
{
//If weaponFire is True.
if (data.weaponFire == true)
{
//FireCannon function called.
attack.FireCannon();
}
//If weaponFire is False.
else
{
//FireGun function called.
attack.FireGun();
}
}
//When "O" is pressed once.
if (Input.GetKeyDown(KeyCode.O))
{
//change weaponFire to the opposite of what it is now (t/f).
data.weaponFire = !data.weaponFire;
}
break;
}
}
void Update()
{
switch (aiState)
{
case AIState.Patrol:
//Execute function, 'Patrol' is described below.
Patrol();
break;
case AIState.Chase:
//Execute function, 'Chase' is described below.
Chase();
//Check if lower than half max health.
if (data.tankCurrentLife < (data.tankMaxLife * .5))
{
ChangeState(AIState.CheckForFlee);
}
//If 'player' is NOT in range.
else if (!playerIsInRange())
{
ChangeState(AIState.Chase);
}
break;
case AIState.ChaseAndFire:
Chase();
attack.FireCannon();
//Check if lower than half max heath.
if (data.tankCurrentLife < (data.tankMaxLife * .5))
{
//ChangeState is a function below
ChangeState(AIState.CheckForFlee);
}
// TODO: implement 'sight' and 'hearing' so the AI can check this.
else if (playerIsInRange())
{
//ChageState also tracks when the AI switches state.
ChangeState(AIState.ChaseAndFire);
}
break;
case AIState.CheckForFlee:
//If 'player' IS in range.
if (playerIsInRange())
{
ChangeState(AIState.Flee);
}
else
{
ChangeState(AIState.Rest);
}
break;
case AIState.Flee:
Flee();
//When the time between states has passed.
if (Time.time >= stateEnterTime + restTime)
{
ChangeState(AIState.CheckForFlee);
}
break;
case AIState.Rest:
Rest();
if (playerIsInRange())
{
ChangeState(AIState.Flee);
}
//Mathf.Approximately compares the 2 integers and allows for answers
//that are not exactly the same, but close enough to be called good.
else if (Mathf.Approximately(data.tankCurrentLife, data.tankMaxLife))
{
ChangeState(AIState.Chase);
}
break;
}
}