public override void Execute()
{
MYXZEntity entity = new MYXZEntity(Npc, 2);
entity.RegisterObserver(AOIInfoModel.Update);
entity.UpdatePosition();
int mark = MYXZTimer.Instance.AddTimer(entity.UpdatePosition, Setting.AOI.UPDATE_RATE, -1);
AOIInfoModel.AddEntityUpdateMark(entity, mark);
MapModel.AddEntity(Npc.TargetGameObject, entity);
}
private void RefreshEntityInterests(MYXZEntity entity, EntityCollection <MYXZGrid> enumerable)
{
for (int x = entity.LocatedGridPosition.x - entity.InterstRadius;
x < 2 * entity.InterstRadius; x++) //正方形的感兴趣范围
{
for (int y = entity.LocatedGridPosition.y - entity.InterstRadius;
y < 2 * entity.InterstRadius; y++)
{
Vector2Int pos = new Vector2Int(x, y);
if (AOIInfoModel.Contains(pos)) //如果这个pos在当前地图是合法的
{
enumerable.Add(AOIInfoModel.AllGrids[pos]);
}
}
}
}
public override void Execute()
{
Player.BaseSpeed = 5;
Player.TalkDistance = 5;
PlayerModel.CurrentPlayer = Player;
MYXZEntity entity = new MYXZEntity(Player, Setting.AOI.PLAYER_INTEREST_RADIUS);
entity.RegisterObserver(AOIModel.Update); //当Entity的AOIPosition发生变化时会通知AOIModel
entity.UpdatePosition(); //初始化调用一次
int mark = MYXZTimer.Instance.AddTimer(entity.UpdatePosition, Setting.AOI.UPDATE_RATE, -1); //每隔一段时间更新一次坐标信息
AOIModel.AddEntityUpdateMark(entity, mark);
MapModel.AddEntity(Player.TargetGameObject, entity);
}
/// <summary>
/// 当这个AOIInfoModel所管理的MYXZEntity的AOI坐标发生变化时，将会触发此函数
/// </summary>
/// <param name="sender">Entity</param>
/// <param name="args">这个Entity之前所在的坐标</param>
public void Update(IObservable <Vector2Int> sender, Vector2Int args)
{
MYXZEntity entity = (MYXZEntity)sender;
if (AllGrids.ContainsKey(args)) //如果这个entity之前存在于此Model中
{
if (AllGrids[args].Contains(entity)) //移除
{
AllGrids[args].Remove(entity);
}
}
if (!AllGrids.ContainsKey(entity.LocatedGridPosition)) //
{
DebugHelper.Log("正在访问不存在的Grid" + entity.LocatedGridPosition, DebugType.Error);
return;
}
AllGrids[entity.LocatedGridPosition].Add(entity);
}
/// <summary>
/// 采用迭代器的方式来返回感兴趣物体列表
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public IEnumerable <MYXZEntity> InterestEntitys(MYXZEntity entity)
{
//采用返回迭代器的方式来返回相较List可以免去频繁查询下的GC
if (entity.IsDirty) //当Entity的AOI坐标发生变化后会被标记为Dirty，此后第一次调用此方法需要更新信息
{
EntityCollection <MYXZGrid> entityInterestEnumerable;
if (m_entityInterests.ContainsKey(entity)) //如果已经创建过此entity的感兴趣物体迭代器
{
entityInterestEnumerable = m_entityInterests[entity] as EntityCollection <MYXZGrid>;
entityInterestEnumerable.Clear();
RefreshEntityInterests(entity, entityInterestEnumerable);
}
else
{
entityInterestEnumerable = new EntityCollection <MYXZGrid>();
RefreshEntityInterests(entity, entityInterestEnumerable);
m_entityInterests.Add(entity, entityInterestEnumerable);
}
}
return(m_entityInterests[entity]);
}
public void AddEntityUpdateMark(MYXZEntity entity, int mark)
{
this.m_entityUpdateMark.Add(entity, mark);
}
public void AddEntity(GameObject go, MYXZEntity entity)
{
m_gameObject2Entity.Add(go, entity);
}