private bool HasNewTarget(out FighterAgent targetAgent)
{
m_Sorted.Clear();
var pos = transform.position;
var agents = m_AgentManager.AllAgents();
foreach (var agent in agents)
{
if (HasLineOfSight(agent))
{
m_Sorted.Add(new SortableAgent
{
Agent = agent,
Distance = (pos - agent.WorldPosition).magnitude
});
}
}
m_Sorted.Sort();
foreach (var obj in m_Sorted)
{
if (HasOpponentInVicinity(obj.Agent))
{
targetAgent = obj.Agent;
return(true);
}
}
// None found.
targetAgent = m_TargetAgent;
return(false);
}
// Team rewards are supposed to encourage team work, like pack-hunting.
// Although I havent't seen such behaviour emerging yet.
protected void AddTeamReward(FighterAgent agent, bool opponents, float reward)
{
var team = TeamAgents(agent, opponents, m_Radius);
foreach (var other in team)
{
other.AddReward(reward);
}
}
protected virtual void OnEpisodeBegin(FighterAgent agent)
{
agent.SetAgentActive(false);
if (++m_AgentCount == m_NumAgents)
{
m_AgentCount = 0;
OnEpisodeBegin();
}
}
protected override void OnHealthDepleted(FighterAgent agent)
{
// Reward opponents in vicinity.
AddTeamReward(agent, true, 1);
// Penalize team members in vicinity.
AddTeamReward(agent, false, -1f);
// Back to default pos, episode continues.
agent.ResetAgent();
}
protected override void Initialize()
{
m_AgentManager = FindObjectOfType <AgentManager>();
m_Sorted = new List <SortableAgent>();
m_TargetAgent = FindObjectOfType <FighterAgent>();
m_TargetPos = m_TargetAgent.transform.position;
m_LookPos = m_TargetPos;
InvokeRepeating("CheckState", 1, 1);
}
public void OnBulletHitSuffered(FighterAgent agent)
{
var pos = cam.WorldToScreenPoint(agent.WorldPosition);
if (pos.z > 0 && pos.z <= m_MaxDistance)
{
m_Opacity = 1;
UpdatOpacity();
SetValue(agent.Health);
StopAllCoroutines();
StartCoroutine(Dim(agent));
}
}
public IEnumerable <FighterAgent> TeamAgents(FighterAgent centerAgent, bool opponents, float radius)
{
var team = m_Agents[opponents ? Tag.OpponentTag(centerAgent.tag) : centerAgent.tag];
var pos = centerAgent.WorldPosition;
foreach (var other in team)
{
if (other != centerAgent && (other.WorldPosition - pos).magnitude <= radius)
{
yield return(other);
}
}
}
private void TryTargetSwitch()
{
if (HasNewTarget(out FighterAgent targetAgent))
{
m_TargetAgent = targetAgent;
m_RepeatSelectCount = 0;
}
else
{
m_RepeatSelectCount++;
}
// Randomize anyway.
m_Distance = Random.Range(m_DistanceRange.Min, m_DistanceRange.Max);
m_Height = Random.Range(m_HeightRange.Min, m_HeightRange.Max);
}
protected IEnumerator Dim(FighterAgent agent)
{
SetPosition(cam.WorldToScreenPoint(agent.WorldPosition));
float dt = Time.deltaTime;
yield return(new WaitForSeconds(dt));
m_Opacity = Mathf.Max(0, m_Opacity - dt * m_DimSpeed);
UpdatOpacity();
if (m_Opacity > 0)
{
StartCoroutine(Dim(agent));
}
}
private bool HasLineOfSight(FighterAgent agent)
{
var delta = agent.WorldPosition - transform.position;
return(!Physics.Raycast(transform.position, delta, delta.magnitude, Layer.ObstacleMask));
}
private bool HasOpponentInVicinity(FighterAgent agent)
{
var team = m_AgentManager.TeamAgents(agent, true, 10);
return(team.ToArray().Length > 0);
}
protected virtual void OnBulletHitScored(FighterAgent agent)
{
m_TeamHitsScoredCount[agent.tag]++;
}
protected virtual void OnHealthDepleted(FighterAgent agent)
{
}