// Update is called once per frame
void Update()
{
//Acquire player if spawned in
if (gameManager.gameStarted)
{
//Acquire player if spawned in
target = gameManager.playerDreadnaught;
// Heursitic function here
attackOrFlee = (Friends() * health) + hunger * (((speed * targetRadius) / 5000) + (health * healingFactor) / 10);
if (attackOrFlee >= 1000)
{
droneBehaviour = DroneBehaviours.Attacking;
}
else if (attackOrFlee < 1000)
{
if (motherShip != null)
{
droneBehaviour = DroneBehaviours.Fleeing;
}
else
{
droneBehaviour = DroneBehaviours.Attacking;
}
}
//droneBehaviour = DroneBehaviours.Attacking;
}
// //Move towards valid targets
// if(target)
// MoveTowardsTarget(target.transform.position);
//Boid cohesion/segregation
BoidBehaviour();
//Drone Behaviours - State Switching
switch (droneBehaviour)
{
case DroneBehaviours.Scouting:
Scouting();
break;
case DroneBehaviours.Foraging:
Forage();
break;
case DroneBehaviours.EliteForaging:
EliteForage();
break;
case DroneBehaviours.Attacking:
Attacking();
break;
case DroneBehaviours.Fleeing:
Fleeing();
break;
}
RegenHealth();
}
// Method used by elite foragers
private void EliteForage()
{
// if no new objects - perform foraging duties
if (!newResourceObject)
{
Forage();
// periodically check for better resources on the way
if (Time.time > detectTimer)
{
newResourceObject = DetectNewResources();
detectTimer = Time.time + detectTime;
}
// If a new resource is found and the drone does not have any current cargo
}
else
{
if (cargo == 0)
{
// Compare this new resource against the original and check if knowledge about it is already with mothership
if ((newResourceObject.GetComponent <Asteroid> ().resource < target.GetComponent <Asteroid> ().resource) || (motherShip.GetComponent <Mothership>().resourceObjects.Contains(newResourceObject)))
{
newResourceObject = null;
}
else
{
// if new resource is better - become scout and report back
droneBehaviour = DroneBehaviours.Scouting;
}
}
}
}
// Drone FSM Behaviour - Fleeing
private void Fleeing()
{
//Calculate target's velocity (without using RB)
tarVel = (target.transform.position - tarPrevPos) / Time.deltaTime;
tarPrevPos = target.transform.position;
//Calculate intercept position (p = t + r * d * v) and multiply it by -1 to get the flee vector
fleePos = (target.transform.position + distanceRatio * Vector3.Distance(transform.position, target.transform.position) * tarVel) * -1.0f;
//Flee if mothership alive, else attack instead
if (Vector3.Distance(transform.position, target.transform.position) > (targetRadius * 5.0f))
{
if (motherShip)
{
if (Vector3.Distance(transform.position, motherShip.transform.position) > (targetRadius))
{
MoveTowardsTarget(motherShip.transform.position);
Debug.DrawLine(transform.position, motherShip.transform.position, Color.green);
}
}
else
{
droneBehaviour = DroneBehaviours.Attacking;
}
}
else
{
MoveTowardsTarget(fleePos);
Debug.DrawLine(transform.position, fleePos, Color.yellow);
}
}
private void Repair()
{
if (health < maxHealth)
{
health += repairRate * Time.deltaTime;
Debug.Log("Repair");
}
if (health > maxHealth)
{
health = maxHealth;
if (gameManager.gameStarted)
{
attackOrFlee = health * Friends();
if (attackOrFlee >= 1000)
{
droneBehaviour = DroneBehaviours.Attacking;
}
else if (attackOrFlee < 1000)
{
droneBehaviour = DroneBehaviours.Fleeing;
}
}
}
}
//Same as normal because local area search did not work correctly, cleaned up code for presentation
private void EliteForaging(Asteroid target)
{
//Move toward target
MoveTowardsTarget(target.transform.position);
//Determine the distance from target
Debug.DrawLine(transform.position, target.transform.position, Color.red);
Vector3 heading = target.transform.position - transform.position;
float distance = heading.magnitude;
//if in range, harvest what you can, then return
if (distance <= targetRadius)
{
if (resourceTarget.resource > 10)
{
currentLoad = resourceCapacity;
resourceTarget.resource -= currentLoad;
}
else
{
currentLoad = currentLoad + resourceTarget.resource;
resourceTarget.resource = 0;
}
droneBehaviour = DroneBehaviours.ReturningResources;
}
}
// Update is called once per frame
void Update()
{
//Acquire player if spawned in
if (gameManager.gameStarted)
{
target = gameManager.playerDreadnaught;
if (droneBehaviour == DroneBehaviours.Attacking ||
droneBehaviour == DroneBehaviours.Fleeing)
{
attackOrFlee = health * Friends();
if (attackOrFlee >= 1000)
{
droneBehaviour = DroneBehaviours.Attacking;
}
else if (attackOrFlee < 1000)
{
droneBehaviour = DroneBehaviours.Fleeing;
}
}
}
//Move towards valid targets
else if (target)
{
MoveTowardsTarget(target.transform.position);
}
BoidBehaviour();
switch (droneBehaviour)
{
case DroneBehaviours.Scouting:
Scouting();
break;
case DroneBehaviours.Attacking:
Attacking();
break;
case DroneBehaviours.Fleeing:
Fleeing();
break;
case DroneBehaviours.Idle:
Repair();
Roam();
return;
case DroneBehaviours.Foraging:
Forage();
return;
case DroneBehaviours.Return:
Return();
return;
}
}
public void StartForaging(bool elite)
{
droneBehaviour = DroneBehaviours.Foraging;
target = motherShip.GetComponent <Mothership>().FindResourceInRange(maxRange, gameObject);
currentResource = target.GetComponent <Asteroid>().resource;
forageTarget = target;
this.elite = elite;
}
//Drone FSM Behaviour - Scouting
private void Scouting()
{
//If no new resource object found
if (!newResourceObject)
{
//If close to scoutPosition, randomize new position to investigate within gamespace around mothership
if (Vector3.Distance(transform.position, scoutPosition) < detectionRadius && Time.time > scoutTimer)
{
//Generate new random position
Vector3 position;
position.x = motherShip.transform.position.x + Random.Range(-1500, 1500);
position.y = motherShip.transform.position.y + Random.Range(-400, 400);
position.z = motherShip.transform.position.z + Random.Range(-1500, 1500);
scoutPosition = position;
//Update scoutTimer
scoutTimer = Time.time + scoutTime;
}
else
{
MoveTowardsTarget(scoutPosition);
Debug.DrawLine(transform.position, scoutPosition, Color.yellow);
}
//Every few seconds, check for new resources
if (Time.time > detectTimer)
{
newResourceObject = DetectNewResources();
detectTimer = Time.time + detectTime;
}
}
//Resource found, head back to Mothership
else
{
target = motherShip;
//In range of mothership, relay information and reset to drone again
if (Vector3.Distance(transform.position, motherShip.transform.position) < targetRadius)
{
motherShip.GetComponent <Mothership> ().drones.Add(this.gameObject);
motherShip.GetComponent <Mothership> ().scouts.Remove(this.gameObject);
motherShip.GetComponent <Mothership> ().resourceObjects.Add(newResourceObject);
newResourceVal = 0;
newResourceObject = null;
droneBehaviour = DroneBehaviours.Idle;
}
else
{
Debug.DrawLine(transform.position, target.transform.position, Color.green);
MoveTowardsTarget(target.transform.position);
}
}
}
// Method used by drones selected as foragers (and to an extent elite foragers)
private void Forage()
{
// On begining journey to asteroid
if (target == null)
{
target = motherShip;
}
// If the drone has not reached the asteroid yet. move towards it
if (target != motherShip)
{
if (Vector3.Distance(transform.position, target.transform.position) > targetRadius)
{
MoveTowardsTarget(target.transform.position);
Debug.DrawLine(transform.position, target.transform.position, Color.blue);
// upon reaching the asteroid - take some of its resource as cargo
}
else
{
cargo = 10;
target.GetComponent <Asteroid> ().resource -= 10;
if (target.GetComponent <Asteroid> ().resource < 0)
{
cargo = cargo + target.GetComponent <Asteroid> ().resource;
motherShip.GetComponent <Mothership> ().resourceObjects.Remove(target);
}
// Set the target as the mothership to return with gathered resources
target = motherShip;
}
}
else
{
if (Vector3.Distance(transform.position, target.transform.position) > targetRadius)
{
MoveTowardsTarget(target.transform.position);
Debug.DrawLine(transform.position, target.transform.position, Color.green);
}
else
{
// A safety check to ensure the drones can only deposit positive values of cargo in case of errors
if (cargo > 0)
{
motherShip.GetComponent <Mothership> ().resourcesCollected += cargo;
}
// reset all parameters and return to idle state
cargo = 0;
motherShip.GetComponent <Mothership>().drones.Add(this.gameObject);
motherShip.GetComponent <Mothership>().foragers.Remove(this.gameObject);
droneBehaviour = DroneBehaviours.Idle;
}
}
}
//state for returning the resources it collected to the mothership
private void ReturningResources()
{
//Move till you get to the mothership, then reset cargo, add it to mothership
if (Vector3.Distance(transform.position, motherShip.transform.position) < targetRadius)
{
motherShip.GetComponent <Mothership>().collectedResources += currentLoad;
currentLoad = 0;
droneBehaviour = DroneBehaviours.Idle;
}
else
{
MoveTowardsTarget(motherShip.transform.position);
}
}
public void Scouting()
{
if (!newResourceObject)
{
if (Vector3.Distance(transform.position, scoutPosition) < detectionRadius && Time.time > scoutTimer)
{
Vector3 position;
position.x = motherShip.transform.position.x + UnityEngine.Random.Range(-maxRange, maxRange);
position.y = motherShip.transform.position.y + UnityEngine.Random.Range(-400, 400);
position.z = motherShip.transform.position.z + UnityEngine.Random.Range(-maxRange, maxRange);
scoutPosition = position;
scoutTimer = Time.time + scoutTime;
}
else
{
MoveTowardsTarget(scoutPosition);
Debug.DrawLine(transform.position, scoutPosition, Color.yellow);
}
if (Time.time > detectTimer)
{
newResourceObject = DetectNewResources();
detectTimer = Time.time + detectTime;
}
}
else
{
target = motherShip;
Debug.DrawLine(transform.position, target.transform.position, Color.green);
if (Vector3.Distance(transform.position, target.transform.position) < targetRadius)
{
motherShip.GetComponent <Mothership>().drones.Add(gameObject);
motherShip.GetComponent <Mothership>().scouts.Remove(gameObject);
motherShip.GetComponent <Mothership>().resourceObjects.Add(newResourceObject);
newResourceVal = 0;
newResourceObject = null;
droneBehaviour = DroneBehaviours.Idle;
}
}
}
private void Fleeing()
{
fleePos = transform.position - distanceRatio * Vector3.Distance(transform.position, target.transform.position) * (transform.forward * speed);
fleePos.y = fleePos.y + 10;
Debug.DrawLine(transform.position, fleePos, Color.red);
if (Vector3.Distance(transform.position, target.transform.position) < targetRadius)
{
MoveTowardsTarget(fleePos);
}
else
{
if (Vector3.Distance(transform.position, motherShip.transform.position) < targetRadius)
{
droneBehaviour = DroneBehaviours.Idle;
}
else
{
MoveTowardsTarget(motherShip.transform.position);
}
}
}
// Update is called once per frame
void Update()
{
//Acquire player if spawned in
if (gameManager.gameStarted)
{
//Altered slightly to look for health of itself and if the mothership is dead
target = gameManager.playerDreadnaught;
attackOrFlee = health * Friends();
Debug.Log(attackOrFlee.ToString());
if (attackOrFlee >= 1200)
{
droneBehaviour = DroneBehaviours.Attacking;
}
else if (attackOrFlee < 1200 || health < maxHealth / 2)
{
droneBehaviour = DroneBehaviours.Fleeing;
}
else if (!motherShip)
{
droneBehaviour = DroneBehaviours.Attacking;
}
}
//Move towards valid targets
if (target)
{
MoveTowardsTarget(target.transform.position);
}
//Boid cohesion/segregation
BoidBehaviour();
//Drone Behaviours - State Switching
switch (droneBehaviour)
{
case DroneBehaviours.Scouting:
Scouting();
break;
case DroneBehaviours.Idle:
Idle();
break;
case DroneBehaviours.Foraging:
Foraging(resourceTarget);
break;
case DroneBehaviours.EliteForaging:
EliteForaging(resourceTarget);
break;
case DroneBehaviours.ReturningResources:
ReturningResources();
break;
case DroneBehaviours.Attacking:
Attacking();
break;
case DroneBehaviours.Fleeing:
Fleeing();
break;
}
}
public void Forage()
{
if (elite)
{
Debug.DrawLine(transform.position, target.transform.position, Color.magenta);
if (Vector3.Distance(transform.position, roamPos) < targetRadius && Time.time < scoutTimer && target != motherShip)
{
Vector3 pos = motherShip.transform.position;
pos.x += UnityEngine.Random.Range(-targetRadius * 2, targetRadius * 2);
pos.y += UnityEngine.Random.Range(-targetRadius * 2, targetRadius * 2);
pos.z += UnityEngine.Random.Range(-targetRadius * 2, targetRadius * 2);
roamPos = pos;
MoveTowardsTarget(roamPos);
if (!newResourceObject)
{
if (Time.time > detectTimer)
{
newResourceObject = DetectNewResources();
if (newResourceObject && newResourceObject.GetComponent <Asteroid>().resource <= currentResource)
{
newResourceObject = null;
}
detectTimer = Time.time + detectTime;
}
}
}
if (newResourceObject)
{
Debug.DrawLine(transform.position, target.transform.position, Color.black);
if (Vector3.Distance(transform.position, target.transform.position) < targetRadius)
{
motherShip.GetComponent <Mothership>().drones.Add(gameObject);
motherShip.GetComponent <Mothership>().scouts.Remove(gameObject);
motherShip.GetComponent <Mothership>().resourceObjects.Add(newResourceObject);
newResourceVal = 0;
newResourceObject = null;
droneBehaviour = DroneBehaviours.Idle;
}
}
}
else
{
Debug.DrawLine(transform.position, target.transform.position, Color.cyan);
}
if (Vector3.Distance(target.transform.position, transform.position) < targetRadius)
{
scoutTimer = Time.deltaTime + scoutTime;
Asteroid a = forageTarget.GetComponent <Asteroid>();
float previous = a.resource;
if (carrying + forageRate * Time.deltaTime < capacity)
{
a.DrainResource(forageRate * Time.deltaTime);
}
else
{
a.DrainResource(capacity - carrying);
}
carrying += previous - a.resource;
if (a.resource <= 0 || (elite && newResourceObject))
{
if (Vector3.Distance(transform.position, motherShip.transform.position) > targetRadius)
{
if (target != motherShip)
{
target = motherShip;
}
}
else
{
motherShip.GetComponent <Mothership>().resourceObjects.Remove(forageTarget);
motherShip.GetComponent <Mothership>().harvested += carrying;
carrying = 0;
droneBehaviour = DroneBehaviours.Idle;
if (elite)
{
motherShip.GetComponent <Mothership>().eliteForagers.Remove(gameObject);
}
else
{
motherShip.GetComponent <Mothership>().foragers.Remove(gameObject);
}
motherShip.GetComponent <Mothership>().drones.Add(gameObject);
}
}
else if (carrying >= capacity)
{
if (Vector3.Distance(transform.position, motherShip.transform.position) > targetRadius)
{
target = motherShip;
}
else
{
motherShip.GetComponent <Mothership>().harvested += carrying;
carrying = 0;
target = forageTarget;
}
}
}
}