/*
* Function: Enemy Pathing
* Description: Pathing for NPC
* Author: Kevin Ho
*/
public void pathing()
{
//Debug.Log(u); //Use this debug to check pathing speed
//Currently moving through path
if ((u += Time.deltaTime * speed) < (ctl.Length))
{
targetPosition = catmull.Evaluate(u);
}
//Reached destination. Reset to loop
else
{
u -= ctl.Length;
}
if (!inRange())
{
FaceTarget(targetPosition); //Look at target points
agent.SetDestination(targetPosition); //Move through path
}
//If in range and not a horse
else
{
if (this.tag != "Horse")
{
state = AIC_State.INRANGE;
}
}
}
/*
* Function: inWaveRange
* Description: Check if player is within wave range of villager
*/
/*Author: Kevin Ho*/
public void inWaveRange()
{
//Save previous position
if (!isStopped)
{
previousU = u;
}
//Player in range
if (inRange())
{
isStopped = true;
//Debug.Log("Wave range!");
//Play wave animation
if (OnWave != null)
{
agent.isStopped = true;
FaceTarget(player.transform.position);
//Debug.Log("Waving!");
if (Time.time > nextWave)
{
OnWave();
//Play Wave SFX
if (Time.time > nextWaveCall)
{
GetComponent <VillagerSFX>().playWaveSFX();
nextWaveCall = Time.time + waveCallRate;
}
nextWave = Time.time + waveRate;
}
}
}
//Out of wave range. Return back to pathing
else
{
Debug.Log("Out of wave range");
u = previousU;
isStopped = false;
agent.isStopped = false;
state = AIC_State.PATHING;
}
}
void Update()
{
/*
* State machine of the AI NPCs. Will handle start, pathing, player tracking when in range, and playing SFX states (Not using currently) of the AI
* Waiting is not empty for future use
* Creator: Kevin Ho
*/
switch (state)
{
//Starting state. Moves straight to pathing
case AIC_State.START:
//Debug.Log("State: START");
state = AIC_State.PATHING;
break;
//Pathing state of NPC
case AIC_State.PATHING:
//Debug.Log("State: PATHING");
//If enemy, check if dead or in range of player. Otherwise path
if (isEnemy && (this.tag == "Enemy"))
{
if (enemy.getIsDead())
{
state = AIC_State.DEAD;
return;
}
else if (DistFromPlayer() <= enemyController.range)
{
state = AIC_State.INRANGE;
return;
}
}
//If enemyArcher, check if dead or in range of player. Otherwise path
else if (isEnemy && (this.tag == "EnemyArcher"))
{
if (enemyArcher.getIsDead())
{
state = AIC_State.DEAD;
return;
}
else if (DistFromPlayer() <= enemyArcherController.range)
{
state = AIC_State.INRANGE;
return;
}
//Still pathing. Change stopping distance for pathing nodes
else
{
agent.stoppingDistance = 1.0f;
}
}
//If NPC is a horse, play SFX
else if (this.name == "Horse")
{
if (inSFXRange())
{
GetComponent <HorseSFX>().playSFX();
}
}
//If NPC is a villager, play SFX
else if (this.tag == "Villager")
{
if (inSFXRange())
{
GetComponent <VillagerSFX>().playSFX();
}
}
pathing();
break;
//NPC is in range of player
case AIC_State.INRANGE:
//Debug.Log("State: INRANGE");
//If is an enemy, check if dead or still in range
if (isEnemy)
{
if (this.tag == "Enemy")
{
if (enemy.getIsDead())
{
state = AIC_State.DEAD;
return;
}
else if (DistFromPlayer() > enemyController.range)
{
state = AIC_State.PATHING;
return;
}
else
{
if (!Player.instance.isDead)
{
enemyController.inRange();
}
}
}
else if (this.tag == "EnemyArcher")
{
if (enemyArcher.getIsDead())
{
state = AIC_State.DEAD;
return;
}
else if (DistFromPlayer() > enemyArcherController.range)
{
state = AIC_State.PATHING;
return;
}
else
{
enemyArcherController.inRange();
}
}
}
//Else, normal NPC, check if in wave range
else
{
inWaveRange();
}
break;
//Play SFX (For any future implementations)
case AIC_State.SFX:
//Debug.Log("State: SFX");
//if (this.name == "Horse") {
//GetComponent<HorseSFX>().playSFX();
//}
state = AIC_State.PATHING;
break;
//NPC is dead. Waiting state
case AIC_State.DEAD:
//Debug.Log("State: DEAD");
break;
}
}
