/// <summary>
/// 可能是下线，或是离开场景
/// </summary>
/// <param name="char_idx"></param>
public void Remove(long char_idx)
{
AOIUnitInfo aoi_info = null;
if (!m_aoi_units.TryGetValue(char_idx, out aoi_info))
{
return;
}
///广播离开事件
AOIUnitInfo info = null;
for (int i = aoi_info.observer_units.Count - 1; i >= 0; i--)
{
long idx = aoi_info.observer_units[i];
if (m_aoi_units.TryGetValue(idx, out info))
{
info.observer_units.Remove(aoi_info.char_idx);//从对方列表删除
SendAOILeave(info.char_idx, aoi_info.char_idx);
}
}
CommonObjectPools.Despawn(aoi_info);
m_aoi_units.Remove(char_idx);
}
/// <summary>
/// 获取同屏unit
/// </summary>
/// <param name="char_idx"></param>
/// <returns></returns>
public List <long> GetScreenUnit(long char_idx)
{
AOIUnitInfo aoi_info = null;
if (!m_aoi_units.TryGetValue(char_idx, out aoi_info))
{
return(null);
}
return(aoi_info.observer_units);
}
/// <summary>
/// 添加aoi对象
/// </summary>
/// <param name="char_idx"></param>
/// <param name="scene_idx"></param>
/// <param name="row"></param>
/// <param name="col"></param>
public void Add(long char_idx, long scene_idx, int row, int col)
{
AOIUnitInfo aoi_info = null;
if (!m_aoi_units.TryGetValue(char_idx, out aoi_info))
{
aoi_info = CommonObjectPools.Spawn <AOIUnitInfo>();
aoi_info.char_idx = char_idx;
aoi_info.scene_idx = scene_idx;
m_aoi_units.Add(char_idx, aoi_info);
}
UpdatePosition(char_idx, row, col, true);
}
/// <summary>
/// aoi对象移动
/// </summary>
/// <param name="char_idx"></param>
/// <param name="row">对应y坐标</param>
/// <param name="col">对应x坐标</param>
public void UpdatePosition(long char_idx, int row, int col, bool is_add)
{
AOIUnitInfo info = null;
AOIUnitInfo aoi_info = null;
if (!m_aoi_units.TryGetValue(char_idx, out aoi_info))
{
return;
}
aoi_info.row = row;
aoi_info.col = col;
///1.判断进入的
foreach (var obj in m_aoi_units)
{
info = obj.Value;
//是否在同一个场景
if (info.scene_idx != aoi_info.scene_idx)
{
continue;
}
//排除自己
if (info.char_idx == aoi_info.char_idx)
{
continue;
}
//排除已经在aoi列表的
if (aoi_info.observer_units.Contains(info.char_idx))
{
continue;
}
if (IsInRegion(aoi_info.row, aoi_info.col, info.row, info.col))
{ //进入区域
aoi_info.observer_units.Add(info.char_idx); //加入己方列表
info.observer_units.Add(aoi_info.char_idx); //加入对方列表
//通知进入
SendAOIEnter(aoi_info.char_idx, info.char_idx, info.row, info.col);
SendAOIEnter(info.char_idx, aoi_info.char_idx, aoi_info.row, aoi_info.col);
}
}
///2.判断离开的
for (int i = aoi_info.observer_units.Count - 1; i >= 0; i--)
{
long idx = aoi_info.observer_units[i];
if (m_aoi_units.TryGetValue(idx, out info))
{
if (!IsInRegion(aoi_info.row, aoi_info.col, info.row, info.col))
{ //离开区域
aoi_info.observer_units.RemoveAt(i); //从己方列表删除
info.observer_units.Remove(aoi_info.char_idx); //从对方列表删除
//通知离开
SendAOILeave(aoi_info.char_idx, info.char_idx);
SendAOILeave(info.char_idx, aoi_info.char_idx);
}
}
else
{//不在列表，可能unit已经不存在，删除引用关系
aoi_info.observer_units.RemoveAt(i);
}
}
///3.给当前aoi区域的对象广播位置
if (!is_add)
{
for (int i = aoi_info.observer_units.Count - 1; i >= 0; i--)
{
long idx = aoi_info.observer_units[i];
if (m_aoi_units.TryGetValue(idx, out info))
{
SendAOIMove(info.char_idx, aoi_info.char_idx, row, col);
}
}
}
}