protected ObjCharacter ScanEnemy(ObjNPC npc, float distance)
{
if (null == npc)
{
return(null);
}
if (null == npc.Zone)
{
return(null);
}
var sq = distance * distance;
ObjCharacter target = null;
var objs = npc.Zone.EnumAllVisibleObj();
foreach (var obj in objs)
{
if (null == obj)
{
continue;
}
if (obj.ObjId == npc.ObjId)
{
continue;
}
if (!obj.IsCharacter())
{
continue;
}
var character = obj as ObjCharacter;
if (null == character)
{
continue;
}
if (character.IsDead())
{
continue;
}
if (!npc.IsMyEnemy(character))
{
continue;
}
var temp = (npc.GetPosition() - character.GetPosition()).LengthSquared();
if (temp <= sq)
{
target = character;
sq = temp;
}
}
return(target);
}