// --------------------------------------------------------------------------------------------------- //
// 取某点周围一定范围内的格子内的所有实体
// @param dist : 距离半径(注意，这里不是精确匹配的，是把一个单元格内的所有对象都返回,误差为单元格大小)
// --------------------------------------------------------------------------------------------------- //
public static IList <EntityView> Nearest(UnityEngine.Vector3 loc, int dist, SPELL.CampFlag flag)
{
if (m_finder == null)
{
return(null);
}
return(m_finder.Nearest(loc, dist, flag));
}
// 这个只能取出基于单元格的近似数据，如需要精确匹配对象的距离，则需要取出去之后应用层再自行比对
public int k_nearest(SPELL.CampFlag flag, UnityEngine.Vector3 v, int dist, ref List <U3D_Render.EntityView> list)
{
int[,] range = new int[DIM, 2];
int[] loc = new int[2];
loc[0] = (int)v.x;
loc[1] = (int)v.z;
grid_range(loc, dist, range);
return(__k_nearest_loop(flag, loc, range, 0, ref list));
}
// 取某点周围一定范围内的格子内的所有实体
public IList <U3D_Render.EntityView> Nearest(UnityEngine.Vector3 loc, int dist, SPELL.CampFlag flag)
{
UnityEngine.Vector3 normalLoc = AdjustLoc(loc);
List <U3D_Render.EntityView> result = new List <EntityView>();
m_gridTree.k_nearest(flag, normalLoc, dist, ref result);
return(result);
}
// 获取阵营序号
private INNER_CAMP getCampIndex(SPELL.CampFlag flag)
{
if (flag == SPELL.CampFlag.CampFlag_Friend || flag == SPELL.CampFlag.CampFlag_Self)
{
return(INNER_CAMP.CAMP_SELF);
}
if (flag == SPELL.CampFlag.CampFlag_Enemy)
{
return(INNER_CAMP.CAMP_ENEMY);
}
return(INNER_CAMP.CAMP_NEUTRAL);
}
public NOD_CheckAroundEntityByPropertyID(int _nPropertyID, int _nSearchNearRadius, SPELL.CampFlag _eCampFlag = SPELL.CampFlag.CampFlag_Enemy)
{
m_nPropertyID = _nPropertyID;
m_nSearchNearRadius = _nSearchNearRadius;
m_eCampFlag = _eCampFlag;
}
public CON_IsEntityDeadByPropertyID(int _nPropertyID, SPELL.CampFlag _eCampFlag = SPELL.CampFlag.CampFlag_Enemy)
{
m_nPropertyID = _nPropertyID;
m_eCampFlag = _eCampFlag;
}
public CON_IsNearbyPropertyIDEntityExit(int _nPropertyID, int _nSearchNearRadius, SPELL.CampFlag _eCampFlag = SPELL.CampFlag.CampFlag_Enemy)
{
m_nPropertyID = _nPropertyID;
m_nSearchNearRadius = _nSearchNearRadius;
m_eCampFlag = _eCampFlag;
}
int __k_nearest_loop(SPELL.CampFlag flag, int[] travel_loc, int[,] range, int dim, ref List <U3D_Render.EntityView> list)
{
int[] temp_loc = new int[DIM]; // 用个临时变量效率还高点，直接用travel_loc效率还低，不明白原因
temp_loc = travel_loc;
int start = range[dim, 0];
int end = range[dim, 1];
int index = -1;
int dimspan = 1;
for (int i = start; i <= end; ++i)
{
if (i < 0 || i >= m_arrGridNum[dim])
{
continue;
}
temp_loc[dim] = m_arrOrigin[dim] + i * m_gridSize;
int count = 0;
if (dim < DIM - 1)
{
count = __k_nearest_loop(flag, temp_loc, range, dim + 1, ref list);
}
else
{
if (index < 0)
{
index = loc2index(new UnityEngine.Vector3(temp_loc[0], 0, temp_loc[1]));
for (int d = 0; d < dim; ++d)
{
dimspan *= m_arrGridNum[d];
}
}
else
{
index += dimspan;
}
// 快速取出格子中的所有对象
if (flag == SPELL.CampFlag.CampFlag_Unknow)
{
Dictionary <UID, U3D_Render.EntityView> result = index2node(index).getAll();
if (result.Count > 0)
{
list.AddRange(result.Values.ToList <U3D_Render.EntityView>());
}
}
else
{
Dictionary <UID, U3D_Render.EntityView> result = index2node(index).getCampEntities(flag);
if (result.Count > 0)
{
list.AddRange(result.Values.ToList <U3D_Render.EntityView>());
}
}
}
}
return(list.Count);
}
internal Dictionary <UID, U3D_Render.EntityView> getCampEntities(SPELL.CampFlag flag)
{
return(m_campObjList[getCampIndex(flag)]);
}
