private IList <GameObject> FindCovers(AISuspectController owner)
{
IList <GameObject> covers = new List <GameObject>();
const float maxDistance = 30f;
GameObject[] allCovers = GameObject.FindGameObjectsWithTag("Cover");
foreach (GameObject cover in allCovers)
{
float distance = Vector3.Distance(cover.transform.position, owner.transform.position);
if (distance > maxDistance)
{
continue;
}
Vector3 playerPos = owner.Player.transform.position;
Vector3 suspectPos = owner.transform.position;
Vector3 dirToPlayer = new Vector3(playerPos.x - suspectPos.x, playerPos.y - suspectPos.y, playerPos.z - suspectPos.z);
dirToPlayer.Normalize();
float dot = Vector3.Dot(cover.transform.forward, dirToPlayer);
if (dot < 0.7)
{
continue;
}
covers.Add(cover);
}
return(covers);
}
/// <summary>
/// Logic of the NPC's movement, aim and animations.
/// </summary>
private void SetMovement(AISuspectController owner)
{
float distanceToPlayer = Vector3.Distance(owner.Player.transform.position, owner.transform.position);
//Reached a destination
if (owner.NavAgent.pathStatus == NavMeshPathStatus.PathComplete)
{
owner.NavAgent.SamplePathPosition(NavMesh.AllAreas, 0f, out owner.CurrentNavMesh);
}
}
// tmp way to adjust gun transform to shoot in the player direction
private void AdjustGun(AISuspectController owner)
{
Vector3 headPos = owner.transform.position; // change to head pos
owner.Item.transform.position = new Vector3(headPos.x, headPos.y + 1f, headPos.z);
Vector3 suspectRotation = owner.transform.rotation.eulerAngles;
//Debug.Log(headPos + " " + owner.Item.transform.position);
owner.Item.transform.localEulerAngles = new Vector3(suspectRotation.x, suspectRotation.y - 45, suspectRotation.z);
owner.Item.transform.Rotate(CalculateShotOffset());
}
public static bool IsPlayerVisible(AISuspectController suspect)
{
Vector3 playerHeadPos = suspect.Player.transform.position;
Vector3 suspectHeadPos = suspect.transform.position;
Vector3 toPlayer = new Vector3(playerHeadPos.x, playerHeadPos.y, playerHeadPos.z) - suspectHeadPos;
const float searchRadius = 50f;
Physics.Raycast(suspectHeadPos, toPlayer.normalized, out RaycastHit hit, searchRadius);
if (hit.transform == null)
{
return(false);
}
return(hit.transform.Equals(suspect.Player.transform));
}
private void MoveTowardsPlayer(AIController owner)
{
const float targetDistanceToPlayer = 10f; // desired distance to player
AISuspectController owner2 = (AISuspectController)owner;
Vector3 playerPos = owner2.Player.transform.position;
Vector3 aiPos = owner2.transform.position;
// Calculate destination in a straight line from the player
Vector3 offset = new Vector3(playerPos.x - aiPos.x, playerPos.y - aiPos.y, playerPos.z - aiPos.z);
offset.Normalize();
offset *= targetDistanceToPlayer;
Vector3 destination = new Vector3(playerPos.x, playerPos.y, playerPos.z);
destination -= offset;
NavMeshPath path = new NavMeshPath();
owner2.NavAgent.CalculatePath(destination, path);
if (path.status == NavMeshPathStatus.PathInvalid || path.status == NavMeshPathStatus.PathPartial)
{
return; // try other destination if this is invalid
}
//{
// int tries = 0;
// const int maxTries = 10;
// do
// {
// // check random positions around player
// destination.Set(Random.Range(-targetDistanceToPlayer, targetDistanceToPlayer),
// Random.Range(-targetDistanceToPlayer, targetDistanceToPlayer),
// Random.Range(-targetDistanceToPlayer, targetDistanceToPlayer));
// destination += playerPos;
// owner2.NavAgent.CalculatePath(destination, path);
// tries++;
// }
// while ((path.status == NavMeshPathStatus.PathInvalid || path.status == NavMeshPathStatus.PathPartial) && tries <= maxTries);
//}
owner2.NavAgent.SetDestination(destination);
}
/// <summary>
/// Initialize and spawn a suspect
/// </summary>
private void SpawnSuspect()
{
int spawnPoint = Random.Range(0, SpawnPoints.Count);
GameObject suspect = Instantiate(NPC, SuspectObject.transform);
suspect.transform.position = SpawnPoints[spawnPoint].position;
suspect.transform.parent = SuspectObject.transform;
suspect.AddComponent <AISuspectController>();
int weaponindex = Random.Range(0, Weapons.Length);
Weapon weapon = Instantiate(Weapons[weaponindex], suspect.transform);
weapon.transform.parent = suspect.transform;
weapon.transform.SetAsFirstSibling();
//Add the gun to the NPC GameObject's script
AISuspectController suspectController = suspect.GetComponent <AISuspectController>();
suspectController.Item = weapon;
suspectController.StateMachine.ChangeState(Patrol.Instance);
SuspectList.Add(suspect);
}
