//called when shootobject hit something
void OnTriggerEnter(Collider col)
{
if (state == _State.Hit)
{
return; //if the shootobject has hit something before this, return
}
//if the shootobject hits another shootobject from friendly unit
if (!GameControl.SOHitFriendly() && col != null)
{
if (srcLayer == col.gameObject.layer)
{
return;
}
}
//register the state of the shootobject as hit
state = _State.Hit;
TDS.CameraShake(impactCamShake);
//when hit a shootObject
if (col != null && col.gameObject.layer == TDS.GetLayerShootObject())
{
//if this is a beam shootobject, inform the other shootobject that it has been hit (beam doesnt use a collider)
if (type == _SOType.Beam)
{
col.gameObject.GetComponent <ShootObject>().Hit();
}
}
//when hit a collectible, destroy the collectible
if (col != null && col.gameObject.layer == TDS.GetLayerCollectible())
{
ObjectPoolManager.Unspawn(col.gameObject);
return;
}
//if there's a attack instance (means the shootobject has a valid attacking stats and all)
if (attInstance != null)
{
float aoeRadius = attInstance.aStats.aoeRadius;
//for area of effect hit
if (aoeRadius > 0)
{
Unit unitInstance = null;
//get all the potental target in range
Collider[] cols = Physics.OverlapSphere(thisT.position, aoeRadius);
for (int i = 0; i < cols.Length; i++)
{
//if the collider in question is the collider the shootobject hit in the first place, apply the full attack instance
if (cols[i] == col)
{
unitInstance = col.gameObject.GetComponent <Unit>();
if (unitInstance != null)
{
unitInstance.ApplyAttack(attInstance.Clone());
}
continue;
}
//no friendly fire, then skip if the target is a friendly unit
if (!GameControl.SOHitFriendly())
{
if (cols[i].gameObject.layer == srcLayer)
{
continue;
}
}
unitInstance = cols[i].gameObject.GetComponent <Unit>();
//create a new attack instance and mark it as aoe attack, so diminishing aoe can be applied if enabled
AttackInstance aInstance = attInstance.Clone();
aInstance.isAOE = true;
aInstance.aoeDistance = Vector3.Distance(thisT.position, cols[i].transform.position);
//apply the attack
if (unitInstance != null)
{
unitInstance.ApplyAttack(aInstance);
}
}
}
else
{
if (col != null)
{
//get the unit and apply the attack
Unit unitInstance = col.gameObject.GetComponent <Unit>();
if (unitInstance != null)
{
unitInstance.ApplyAttack(attInstance);
}
}
}
if (col != null)
{
//apply impact force to the hit object
Vector3 impactDir = Quaternion.Euler(0, thisT.eulerAngles.y, 0) * Vector3.forward;
TDSPhysics.ApplyAttackForce(thisT.position, impactDir, col.gameObject, attInstance.aStats);
}
}
//add collider to the condition so the shootobject wont split if the shootObject didnt hit anything (it could have just reach the range limit)
if (splitUponHit && col != null)
{
Split(col);
}
Hit();
}
//function call to fire the object
public void Shoot(int srcL, float srcR, Transform shootPoint, AttackInstance aInstance = null, AimInfo aimInfo = null)
{
Init();
thisObj.SetActive(true);
//cached all the passed information lcoally
attInstance = aInstance;
srcLayer = srcL; //the layer of the shooting unit (so we know it's from player or AI)
srcRange = srcR; //the range of the shooting unit (so we know when to stop)
state = _State.Shot;
shootTime = Time.time; //to track how long the shoot object is has been
travelledDistance = 0; //to track how far the shoot object is has been fired
//if there's any hideObject, set it to true (it's probably set to false when the shoot-object last hit something)
if (hideObject != null)
{
hideObject.SetActive(true);
}
//instantiate the shoot effect
ShootEffect(thisT.position, thisT.rotation, shootPoint);
if (type == _SOType.Simple || type == _SOType.Homing)
{
//if(aInstance!=null && thisCollider.enabled){
//~ Physics.IgnoreCollision(aInstance.srcUnit.GetCollider(), thisObj.GetComponent<Collider>(), true);
//Debug.Log("collision avoidance with shooter unresolved");
//Physics.IgnoreCollision(srcCollider, thisCollider, true);
//}
// for homing shootobject, the shootobject needs to be aiming at some position, or a specific unit
if (type == _SOType.Homing)
{
if (aimInfo.targetT != null)
{
targetUnit = aimInfo.unit;
}
targetPos = aimInfo.hitPoint + new Vector3(Random.value - 0.5f, 0, Random.value - 0.5f) * 2 * spread;
initialPos = shootPoint.position;
initialDist = Vector3.Distance(targetPos, initialPos);
curveMod = Random.Range(0, 2f);
dummyPos = thisT.TransformPoint(Vector3.forward * speed * 5);
dummyPos = (targetPos + dummyPos) / 2;
}
}
else if (type == _SOType.Beam)
{
//if(attachedToShootPoint) transform.parent=shootPoint;
thisT.parent = shootPoint;
ObjectPoolManager.Unspawn(thisObj, beamDuration - .01f);
}
else if (type == _SOType.Point)
{
StartCoroutine(PointRoutine(aimInfo));
}
//update the layermask used to do the hit detection in accordance to rules set in GameControl
UpdateSphereCastMask(!GameControl.SOHitFriendly(), !GameControl.SOHitShootObject(), !GameControl.SOHitCollectible());
}