void Update()
{
if (isManualModeOn)
{
return;
}
if (minion.CurrentTarget != null && minion.CurrentTarget.IsDead)
{
minion.SetTarget(null);
}
switch (currentState)
{
case MinionAIState.move:
OnStateMove();
break;
case MinionAIState.attack:
OnStateAttack();
break;
case MinionAIState.idle:
OnStateIdle();
break;
default:
currentState = MinionAIState.idle;
break;
}
}
void Start()
{
minion = GetComponent <Minion>();
if (minion == null)
{
throw new Exception("gameObject must contain Unit component");
}
minion.OnDestinationReached += OnDestinationReached;
minion.OnForceDestinationSet += OnForceDestinationSet;
minion.OnTargetUpdated += OnTargetUpdated;
currentState = MinionAIState.idle;
}
public override void Update()
{
if (m_Players.Count == 0 || m_Players.Count < Server.ServerManager.instance.NumClients())
{
m_Players = GameSimulation.instance.GetPlayers();
}
if (m_Players.Count == 0)
{
return;
}
m_AnimTick += DT;
if (m_PickedTarget == 0)
{
// Get Random target
m_PlayerTargetIndex = GameSimulation.RandomRange(0, m_Players.Count);
m_PickedTarget = 1;
}
// Get distance of closest player
Vector2 player_centre = m_Players[m_PlayerTargetIndex].Position;
Vector2 my_centre = this.Position;
if (player_centre.X < my_centre.X)
{
m_Facing = Facing.Left;
}
else
{
m_Facing = Facing.Right;
}
if (m_Facing == Facing.Left)
{
frameY = 0.0f;
}
else
{
frameY = 2.0f;
}
if (m_AnimTick >= k_MillisPerFrame)
{
++frameX;
if (frameX >= m_NumFramesX)
{
frameX = 0;
}
m_AnimTick = 0.0f;
}
float dist = Vector2.Distance(my_centre, player_centre);
// Dash Attack the player
switch (m_AIState)
{
case MinionAIState.Idle:
{
if (m_FoundTarget == 0)
{
this.Velocity = new Vector2(0.0f, 0.0f);
if (dist < k_MoveToPlayerDist)
{
m_FoundTarget = 1;
m_Direction = Vector2.Normalize(player_centre - my_centre);
}
}
else
{
this.Velocity = m_Direction * 3.0f;
m_AttackWaitCount += DT;
}
if (m_AttackWaitCount > ATTK_COUNT)
{
m_AttackWaitCount = 0.0f;
m_AIState = MinionAIState.Charge;
m_FoundTarget = 0;
}
break;
}
case MinionAIState.Charge:
{
if (dist < k_MinChargeDistance)
{
if ((player_centre.Y > this.Position.Y) && (player_centre.Y < this.Position.Y))
{
this.Velocity.X = 10.0f * (float)m_Facing;
m_AIState = MinionAIState.Dash;
break;
}
}
// Give up and try and get nearer
m_AttackWaitCount += DT;
if (m_AttackWaitCount > ATTK_COUNT)
{
m_AttackWaitCount = 0.0f;
m_AIState = MinionAIState.Idle;
}
break;
}
case MinionAIState.Dash:
{
float m_friction = 0.2f;
// Apply friction
if (this.Velocity.X < 0)
{
this.Velocity.X += m_friction;
}
if (this.Velocity.X > 0)
{
this.Velocity.X -= m_friction;
}
// Set to Zero when speed is low enough
if (this.Velocity.X > 0 && this.Velocity.X < m_friction)
{
this.Velocity.X = 0;
m_AIState = MinionAIState.Idle;
}
if (this.Velocity.X < 0 && this.Velocity.X > -m_friction)
{
this.Velocity.X = 0;
m_AIState = MinionAIState.Idle;
m_PickedTarget = 0;
}
break;
}
}
this.Position += this.Velocity;
}
private void SwitchState(MinionAIState state)
{
currentState = state;
}
