public static bool Raycast(AOISceneComponent scene, Ray ray, out RaycastHit hit, UnitType[] type = null)
{
hit = default;
if (type == null)
{
return(false);
}
using (DictionaryComponent <UnitType, bool> typeTemp = DictionaryComponent <UnitType, bool> .Create())
{
using (HashSetComponent <AOITriggerComponent> temp = HashSetComponent <AOITriggerComponent> .Create())
{
for (int i = 0; i < type.Length; i++)
{
var item = type[i];
typeTemp.Add(item, true);
}
int xIndex = (int)Math.Floor(ray.Start.x / scene.gridLen);
int yIndex = (int)Math.Floor(ray.Start.z / scene.gridLen);
//z = kx+b
float k = 0;
float k_1 = 0;
float b = 0;
if (ray.Dir.x != 0 && ray.Dir.z != 0)
{
k = ray.Dir.z / ray.Dir.x;
k_1 = ray.Dir.x / ray.Dir.z;
b = ray.Start.z - k * ray.Start.x;
}
Vector3 inPoint = ray.Start;
while (true)
{
long cellId = AOIHelper.CreateCellId(xIndex, yIndex);
AOICell cell = scene.GetChild <AOICell>(cellId);
var xMin = xIndex * scene.gridLen;
var xMax = xMin + scene.gridLen;
var yMin = yIndex * scene.gridLen;
var yMax = yMin + scene.gridLen;
//Log.Info("Raycast Check "+xIndex+" "+yIndex);
if (cell != null)
{
ListComponent <RaycastHit> hits = ListComponent <RaycastHit> .Create();
RaycastHits(ray, cell, inPoint, hits, temp, typeTemp);
if (hits.Count > 0)
{
hits.KSsort((i1, i2) => i1.Distance >= i2.Distance?1:-1);//从小到大
hit = hits[0];
//Log.Info("hits.Count > 0"+hit.Trigger.Parent.Parent.Id);
hits.Dispose();
return(true);
}
}
//一般情况
if (ray.Dir.x != 0 && ray.Dir.z != 0)
{
if (ray.Dir.x > 0 && ray.Dir.z > 0)
{
var z1 = xMax * k + b;
if (z1 > yMin && z1 < yMax)
{
xIndex++;
inPoint = new Vector3(xMax, inPoint.y + (xMax - inPoint.x) * ray.Dir.y / ray.Dir.x, z1);
}
else
{
yIndex++;
inPoint = new Vector3((yMax - b) * k_1, inPoint.y + (yMax - inPoint.z) * ray.Dir.y / ray.Dir.z, yMax);
}
}
else if (ray.Dir.x > 0 && ray.Dir.z < 0)
{
var z1 = xMax * k + b;
if (z1 > yMin && z1 < yMax)
{
xIndex++;
inPoint = new Vector3(xMax, inPoint.y + (xMax - inPoint.x) * ray.Dir.y / ray.Dir.x, z1);
}
else
{
yIndex--;
inPoint = new Vector3((yMin - b) * k_1, inPoint.y + (yMin - inPoint.z) * ray.Dir.y / ray.Dir.z, yMin);
}
}
else if (ray.Dir.x < 0 && ray.Dir.z < 0)
{
var z1 = xMin * k + b;
if (z1 > yMin && z1 < yMax)
{
xIndex--;
inPoint = new Vector3(xMin, inPoint.y + (xMin - inPoint.x) * ray.Dir.y / ray.Dir.x, z1);
}
else
{
yIndex--;
inPoint = new Vector3((yMin - b) * k_1, inPoint.y + (yMin - inPoint.z) * ray.Dir.y / ray.Dir.z, yMin);
}
}
else if (ray.Dir.x < 0 && ray.Dir.z > 0)
{
var z1 = xMin * k + b;
if (z1 > yMin && z1 < yMax)
{
xIndex--;
inPoint = new Vector3(xMin, inPoint.y + (xMin - inPoint.x) * ray.Dir.y / ray.Dir.x, z1);
}
else
{
yIndex++;
inPoint = new Vector3((yMax - b) * k_1, inPoint.y + (yMax - inPoint.z) * ray.Dir.y / ray.Dir.z, yMax);
}
}
else
{
Log.Error("What's f**k???");
}
}
//平行于轴了
else if (ray.Dir.x == 0 && ray.Dir.z != 0)
{
if (ray.Dir.z > 0)
{
yIndex++;
inPoint = new Vector3(inPoint.x, inPoint.y + (yMax - inPoint.z) * ray.Dir.y / ray.Dir.z, yMax);
}
else
{
yIndex--;
inPoint = new Vector3(inPoint.x, inPoint.y + (yMin - inPoint.z) * ray.Dir.y / ray.Dir.z, yMin);
}
}
else if (ray.Dir.z == 0 && ray.Dir.x != 0)
{
if (ray.Dir.x > 0)
{
xIndex++;
inPoint = new Vector3(xMax, inPoint.y + (xMax - inPoint.x) * ray.Dir.y / ray.Dir.x, inPoint.z);
}
else
{
xIndex--;
inPoint = new Vector3(xMin, inPoint.y + (xMin - inPoint.x) * ray.Dir.y / ray.Dir.x, inPoint.z);
}
}
//垂直于地图
else
{
break;
}
if (Vector3.Distance(inPoint, ray.Start) > ray.Distance)
{
break;
}
}
}
}
return(false);
}
/// <summary>
/// 改变格子
/// </summary>
/// <param name="self"></param>
/// <param name="newgrid"></param>
public static void ChangeTo(this AOIUnitComponent self, AOICell newgrid)
{
AOICell oldgrid = self.Cell;
Log.Info(self.Id + "From: " + " grid x:" + oldgrid.posx + ",y:" + oldgrid.posy + " ChangeTo:grid x:" + newgrid.posx + ",y:" + newgrid.posy);
#region 广播给别人
using (DictionaryComponent <AOIUnitComponent, int> dic = DictionaryComponent <AOIUnitComponent, int> .Create())
{
//Remove
if (oldgrid.idUnits.ContainsKey(self.Type))
{
for (int i = 0; i < oldgrid.ListenerUnits.Count; i++)
{
var item = oldgrid.ListenerUnits[i];
if (item.Type == UnitType.Player && item != self)
{
dic.Add(item, -1);
}
}
oldgrid.idUnits[self.Type].Remove(self);
self.Cell = null;
}
else
{
Log.Error("unit.Type=" + self.Type + "未添加就删除");
}
//Add
self.Cell = newgrid;
if (Define.Debug && newgrid.idUnits[self.Type].Contains(self))
{
Log.Error("newgrid.idUnits[self.Type].Contains(self)");
}
newgrid.idUnits[self.Type].Add(self);
for (int i = 0; i < newgrid.ListenerUnits.Count; i++)
{
var item = newgrid.ListenerUnits[i];
if (item.Type == UnitType.Player && item != self)
{
if (dic.ContainsKey(item))
{
dic[item] += 1;
}
else
{
dic.Add(item, 1);
}
}
}
foreach (var item in dic)
{
if (item.Value > 0)
{
Game.EventSystem.Publish(new EventType.AOIRegisterUnit()
{
Receive = item.Key,
Unit = self,
});
}
else if (item.Value < 0)
{
Game.EventSystem.Publish(new EventType.AOIRemoveUnit()
{
Receive = item.Key,
Unit = self
});
}
}
}
#endregion
#region 广播给自己 && 刷新监听
var older = oldgrid.GetNearbyGrid(self.Range);
var newer = newgrid.GetNearbyGrid(self.Range);
DictionaryComponent <AOICell, int> temp = DictionaryComponent <AOICell, int> .Create();
for (int i = 0; i < older.Count; i++)
{
var item = older[i];
temp[item] = -1;
}
for (int i = 0; i < newer.Count; i++)
{
var item = newer[i];
if (temp.ContainsKey(item))
{
temp[item] = 0;
}
else
{
temp[item] = 1;
}
}
ListComponent <AOIUnitComponent> adder = ListComponent <AOIUnitComponent> .Create();
ListComponent <AOIUnitComponent> remover = ListComponent <AOIUnitComponent> .Create();
foreach (var item in temp)
{
if (item.Value > 0)
{
item.Key.AddListener(self);
adder.AddRange(item.Key.GetAllUnit());
}
else if (item.Value < 0)
{
item.Key.RemoveListener(self);
remover.AddRange(item.Key.GetAllUnit());
}
}
if (self.Type == UnitType.Player)
{
for (int i = 0; i < adder.Count; i++)
{
var item = adder[i];
if (item == self)
{
continue;
}
Log.Info("AOIRegisterUnit" + item.Id);
Game.EventSystem.Publish(new EventType.AOIRegisterUnit
{
Receive = self,
Unit = item
});
}
for (int i = 0; i < remover.Count; i++)
{
var item = remover[i];
if (item == self)
{
continue;
}
Log.Info("AOIRemoveUnit" + item.Id);
Game.EventSystem.Publish(new EventType.AOIRemoveUnit()
{
Receive = self,
Unit = item
});
}
}
temp.Dispose();
newer.Dispose();
older.Dispose();
adder.Dispose();
remover.Dispose();
#endregion
}
