/////////////////////////////////////////////////////////////////////////////
/// Function: RunMovingState
/////////////////////////////////////////////////////////////////////////////
private void RunMovingState()
{
// Enable the moving animation if it's not on.
if (false == m_anAnimator.GetBool(AnimatorValues.ANIMATOR_IS_MOVING))
{
m_anAnimator.SetBool(AnimatorValues.ANIMATOR_IS_MOVING, true);
}
m_fOldTime = m_fElapsedTime + 0.01f;
if (m_fElapsedTime > m_fCheckTime)
{
m_fCheckTime = m_fElapsedTime + 1;
SetTarget();
}
if (m_liPath != null)
{
if (true == m_bReachedNode)
{
m_bReachedNode = false;
m_v3CurrNode = m_liPath[m_iNodeIndex];
}
else if (true == m_bReachedTarget)
{
// We reached our destination, switch to idle and clear the target
// vector.
m_bReachedTarget = false;
//m_bReachedNode = false;
m_eState = ETankState.TANK_IDLE;
m_v3Target = Vector3.zero;
return;
}
else
{
GoTo();
}
}
}
/////////////////////////////////////////////////////////////////////////////
/// Function: CheckForTransitions
/////////////////////////////////////////////////////////////////////////////
private void CheckForTransitions()
{
// We need to constantly check if the NPC died.
if (m_fHealth <= 0)
{
m_eState = ETankState.TANK_DEAD;
return;
}
// The drone will rush to the homebase while it's holding the flag.
if (true == m_bHasFlag)
{
if (m_v3Target != m_goHomeBase.transform.position)
{
// Ensure that we're headed towards our base.
m_v3Target = m_goHomeBase.transform.position;
MoveOrder(m_v3Target);
m_eState = ETankState.TANK_MOVING;
}
return;
}
// Get a handle on the closest enemy and calculate distance from it.
m_trClosestEnemy = GetClosestEnemy();
if (null != m_trClosestEnemy)
{
float fDistance = Vector3.Distance(m_trClosestEnemy.transform.position, transform.position);
if (fDistance <= Constants.DEFAULT_ATTACK_RANGE)
{
m_v3Target = Vector3.zero;
m_eState = ETankState.TANK_ATTACKING;
m_bTargetInRange = true;
}
}
else
{
m_bTargetInRange = false;
m_bIsBeingAttacked = false;
}
// According to current state, we will check if we need to transition to
// a different state.
switch (m_eState)
{
case ETankState.TANK_IDLE:
if (true == m_bIsBeingAttacked)
{
// Attempt to decide if we should attack or flee.
if (m_fHealth < Constants.DEFAULT_HEALTH_TANK / 2)
{
// There's a 4 in 6 chance that the drone will try to run to home base.
if (Random.Range(0, 5) < 4)
{
m_v3Target = m_goHomeBase.transform.position;
m_eState = ETankState.TANK_MOVING;
break;
}
}
}
if (Vector3.zero != m_v3Target)
{
MoveOrder(m_v3Target);
m_eState = ETankState.TANK_MOVING;
}
break;
case ETankState.TANK_MOVING:
break;
case ETankState.TANK_ATTACKING:
if (null == m_trClosestEnemy)
{
// The enemy has been destroyed, switch back to idle.
m_eState = ETankState.TANK_IDLE;
m_v3Target = Vector3.zero;
m_bTargetInRange = false;
m_bIsBeingAttacked = false;
break;
}
StartCoroutine(AttackTarget(m_trClosestEnemy.transform));
float fDistance = Vector3.Distance(m_trClosestEnemy.transform.position, transform.position);
if (fDistance > Constants.DEFAULT_ATTACK_RANGE + 20f)
{
m_v3Target = m_trClosestEnemy.transform.position;
m_eState = ETankState.TANK_MOVING;
m_bTargetInRange = false;
}
break;
}
}
