public bool UpdateMovement()
{
// Search for a new path if path is not found
if (m_searchNewTarget || m_newTargetPosition == null)
{
//Debug.Log("Have no path or target, finds new target and path");
m_newTargetPosition = GetTargetPosition();
m_searchNewTarget = false;
}
Debug.DrawRay(transform.position, transform.forward * 5.0f, Color.green);
// Check if seeker has reached target position
if (m_movement.MoveToPos(m_newTargetPosition))
{
//Debug.Log("Searching for a new position since target is reached");
m_searchNewTarget = true;
return(true);
}
return(false);
}
// Can have a day and night behaviour and state
void Update()
{
if (m_discovered || m_disabled)
{
return;
}
DisplayCurrentState();
m_fieldOfView.SetLookDir(transform.forward);
bool hasVisibleTarget = m_fieldOfView.FindVisibleTargets();
// Move according to state
// If target is found, hunt it
if (hasVisibleTarget)
{
//Debug.Log("Found target!");
// Abort current pathfinding and change target
m_currentState = (int)State.Hunting;
m_noise = 0.0f;
m_targetPos = m_fieldOfView.m_visibleTargets[0].position;
m_targetVisibleTimer += Time.deltaTime;
}
//else if(currentState == (int)State.Hunt){
// // Look at position where target was last seen
// currentState = (int)State.LocalPatrol;
//}
else
{
m_targetVisibleTimer -= Time.deltaTime;
}
m_targetVisibleTimer = Mathf.Clamp(m_targetVisibleTimer, 0, m_timeToSpotTarget);
m_spotlight.color = Color.Lerp(m_originalSpotlightColor, Color.red, m_targetVisibleTimer / m_timeToSpotTarget);
m_movementDir = m_movement.GetMoveDir();
switch (m_currentState)
{
case (int)State.Idling:
// Can the seeker se the player whilst idle?
break;
case (int)State.Patrolling:
// Move and search the area
bool isPatrolling = GetComponent <Patrolling>().UpdateMovement(); // Update movement
if (isPatrolling)
{
m_currentState = (int)State.Searching;
m_isSearchingNearby = true;
// TODO: Fix so that they search again if a path is not found at all
}
// Set viewing direction
if (m_movementDir != Vector3.zero)
{
transform.rotation = Quaternion.LookRotation(m_movementDir);
}
break;
case (int)State.Searching:
// Look around where the seeker is standing
// Check if you have finished looking around in the nearby are
m_isSearchingNearby = GetComponent <Searching>().Run(); // Look Around
if (m_isSearchingNearby)
{
// Start searching for the next place to look at
m_currentState = (int)State.Patrolling;
}
break;
case (int)State.Hunting:
// TODO: If player found start searching in the area around it with distortion over time
// TODO: After a certain amount of time it goes back to normal and searches everywhere
// TODO: If the player is caught ==> GAME OVER (Restart)
// TODO: If the player is seen but not caught ==> Search the last seen position
// If target is found, move towards it using pathfinding
if (hasVisibleTarget)
{
m_lastSeenTarget = m_fieldOfView.m_visibleTargets[0].position;
m_movement.MoveToPos(m_lastSeenTarget);
// Set viewing direction
transform.rotation = Quaternion.LookRotation(m_movement.GetMoveDir());
Debug.Log("ENEMY: Distance seeker to target = " + Vector3.Distance(transform.position, m_lastSeenTarget));
// Check if target is within reach and if the seeker has grasped the target
if (Vector3.Distance(transform.position, m_lastSeenTarget) < 2.0f)
{
Debug.Log("Caught intruder!");
m_discovered = true;
m_player.SetDiscovered(m_discovered);
GameManager.manager.Discovered();
}
// Check if target has been visible for a long while (= Game Over)
}
else if (!hasVisibleTarget) // has not visible target
{
m_currentState = (int)State.LocalPatrolling;
}
break;
case (int)State.LocalPatrolling:
if (!hasVisibleTarget)
{
if (m_noise < m_EPSILON)
{
m_lastSeenTarget = m_targetPos;
}
// Noise that is larger over time
m_noise += Time.deltaTime;
// If too much time has passed, the target is lost
if (m_noise > 0.8f)
{
// Start searching the area
m_currentState = (int)State.Searching;
m_noise = 0.0f;
}
// Move towards target position with noise
if (m_movement.MoveToPos(m_lastSeenTarget))
{
float newX = Random.Range(m_targetPos.x - m_noise, m_targetPos.x + m_noise);
float newZ = Random.Range(m_targetPos.z - m_noise, m_targetPos.z + m_noise);
// Set new target with larger noise
m_lastSeenTarget = new Vector3(newX, m_targetPos.y, newZ);
}
// Set viewing direction
transform.rotation = Quaternion.LookRotation(m_movement.GetMoveDir());
}
else
{
m_currentState = (int)State.Hunting;
m_noise = 0.0f;
}
break;
}
}
