protected override void RegisterComponent()
{
base.RegisterComponent();
BuffComp = AddComponent <BuffComponent>();
HumanStateMachineComp = AddComponent <HumanStateMachineComponent>();
BehaviorTreeComp = AddComponent <BehaviorTreeComponent>();
}
private void UpdateRoot()
{
if (this is BehaviorTreeComponent bht)
{
_root = bht;
return;
}
var root = GetParent();
while (!(root is BehaviorTreeComponent))
{
root = root.GetParent();
}
_root = root as BehaviorTreeComponent;
}
void SelectionChanged()
{
if (Selection.gameObjects.Length > 0)
{
if (Selection.gameObjects.Length > 1)
{
_selectedGameObject = null;
_selectionErrorMessage = "Multiediting not supported";
}
else
{
if (_selectedGameObject != Selection.gameObjects[0])
{
BehaviorTreeComponent btc = Selection.gameObjects[0].GetComponent <BehaviorTreeComponent>();
if (btc == null)
{
_selectedGameObject = null;
_selectionErrorMessage = "Selected game object doesn't have BehaviorTreeComponent attached";
}
else
{
_allMethods.Clear();
Component[] comps = Selection.gameObjects[0].GetComponents <MonoBehaviour>();
foreach (Component c in comps)
{
Type t = c.GetType();
MethodInfo[] mis = new List <MethodInfo>(t.GetMethods()).Where(mi => mi.ReturnType == typeof(TaskStatus)).ToArray();
foreach (MethodInfo mi in mis)
{
if (mi.ReturnType != typeof(TaskStatus))
{
continue;
}
ParameterInfo[] pis = mi.GetParameters();
if (pis.Length == 1)
{
if (pis[0].ParameterType == typeof(GameObject))
{
string type = t.ToString();
string methodName = mi.Name;
string newMethod = type + "." + methodName;
_allMethods.Add(newMethod);
}
}
}
}
_drawer.SetMethodsList(_allMethods);
_selectedGameObject = Selection.gameObjects[0];
_selectedAsset = btc.BehaviorTreeAsset;
FileSelectedChanged();
}
}
}
}
else
{
_selectedGameObject = null;
_selectionErrorMessage = "Please, select some object on scene with BehaviorTreeComponent attached";
}
Repaint();
}
// Use this for initialization
private void Start()
{
var waitPositonTime = 0f;
GameObject attackPlayer = null;
var isMoveTerget = false;
var moveTerget = Vector3.zero;
GameObject itemObject = null;
var coolTime = 0f;
// 行き先に向かって移動する
this.UpdateAsObservable()
.Where(_ => isMoveTerget)
.Select(_ =>
{
var path = new NavMeshPath();
isMoveTerget = NavMesh.CalculatePath(transform.position, moveTerget, NavMesh.AllAreas, path);
return(path);
})
.Where(x => x.corners.Length >= 2)
.Do(_ => waitPositonTime = 0f) // 行き先を見つけた
.Select(x => (x.corners[1] - x.corners[0]).normalized)
.Select(x => AI_Extension.CalcDoc(x))
.Subscribe(moveDirectionSubject);
// 止まっている時間のカウント
this.UpdateAsObservable()
.Where(_ => isMoveTerget == false)
.Subscribe(_ => { waitPositonTime += Time.deltaTime; });
// 止まっている時間が一定数立ってしまったらとりあえずターゲットに向かって歩く
this.ObserveEveryValueChanged(_ => waitPositonTime)
.Where(_ => isMoveTerget == false)
.Where(x => x > 1f)
.Where(_ => (Vector3.Distance(moveTerget, transform.position) > StopDistance * (1f - LevelMaxGettingUpToTimeRate))) // 近くにすでにいるなら動かない
.Select(_ => (moveTerget - transform.position).normalized)
.Select(x => AI_Extension.CalcDoc(x))
.Subscribe(moveDirectionSubject);
// 行きたい位置についたら移動処理を停止させる
this.UpdateAsObservable()
.Where(_ => isMoveTerget)
.Select(_ => Mathf.Abs(Vector3.Distance(moveTerget, transform.position)))
.Where(x => x < StopDistance * (1f - LevelMaxGettingUpToTimeRate))
.Subscribe(_ => isMoveTerget = false);
// 敵の近くによったら攻撃する
this.UpdateAsObservable()
.Where(_ => attackPlayer != null)
.Where(_ => (Vector3.Distance(attackPlayer.transform.position, this.transform.position) <= AttackDistance))
.Subscribe(_ =>
{
onAttackButtonSubject.OnNext(true);
onAttackButtonSubject.OnNext(false);
});
// アイテム生成通知
StageSpawner.Instance.OnSpowenItemAsObservable()
.Where(x => Vector3.Distance(x.transform.position, this.transform.position) < GetItemDistance) // 自分の近くに生成された
.Subscribe(x =>
{
// アイテムが存在していることを入れる
itemObject = x;
// 交戦中のプレイヤーを消しておく（取りに行くため）
attackPlayer = null;
});
// アイテム存在チェック
var checkNearItemState =
new ActionNode("CheckItem", _ =>
{
if (itemObject != null)
{
return(NodeStatusEnum.Success);
}
return(NodeStatusEnum.Failure);
});
// アイテムに近づくAI
var goItemObject = new DecoratorNode("GoItemCheck",
new ActionNode("GoItem", _ =>
{
// 取れた取れてないにかかわらず終了
if (itemObject == null)
{
isMoveTerget = false;
return(NodeStatusEnum.Success);
}
// ターゲットを設定
moveTerget = itemObject.transform.position;
moveTerget.y = transform.position.y;
isMoveTerget = true;
return(NodeStatusEnum.Running);
})
, () => (itemObject != null));
// 近くにアイテムがスポーンしたなら優先的に取り行くAI
var checkItem = new SequenceNode("SearchItem",
checkNearItemState // 生成してる
, goItemObject // 取りに行く
);
// 近くのプレイヤーを選択するAI
var nearPlayer = new ActionNode("SearchPlayer",
_ =>
{
// 生きているプレイヤー取得
var players = PlayerManager.Instance.GetAlivePlayers();
if (players.Count <= 1)
{
isMoveTerget = false;
return(NodeStatusEnum.Failure);
}
// ソート
players.Sort((x, y) =>
{
var xDist = Vector3.Distance(x.transform.position, this.transform.position);
var yDist = Vector3.Distance(y.transform.position, this.transform.position);
if (xDist == yDist)
{
return(0);
}
if (xDist > yDist)
{
return(1);
}
else
{
return(-1);
}
});
// 一番近いプレイヤーを選択
attackPlayer = players[1].gameObject;
moveTerget = AI_Extension.RandomPosition(attackPlayer.transform.position,
(1f - LevelMaxGettingUpToTimeRate)); // 時間経過で性格射撃になる
moveTerget.y = transform.position.y;
isMoveTerget = true;
// 思考を停止するクールタイム
coolTime = Random.Range(0.5f, 2f);
coolTime *= (1f - LevelMaxGettingUpToTimeRate); // 時間経過で思考停止クールタイムがなくなる
return(NodeStatusEnum.Success);
}
);
var aiCoolTime = new ActionNode("CoolTime", _ =>
{
coolTime -= Time.deltaTime;
if (coolTime < 0f)
{
return(NodeStatusEnum.Failure);
}
return(NodeStatusEnum.Running);
});
// AI初期化
BehaviorTreeComponent.RegsterComponent(this.gameObject, new SelectorNode("name",
checkItem,
aiCoolTime,
nearPlayer));
}
