// 随机获取地图上一点
public Vector2Int GetRandomPos(int[] canPassObstacleTypes, int[] canPassTerrainTypes,
RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
int width = GetWidth();
int height = GetHeight();
int x = randomManager.RandomInt(0, width);
int y = randomManager.RandomInt(0, height);
Vector2Int result = new Vector2Int(x, y);
if (canPassObstacleTypes != null || canPassTerrainTypes != null)
{
if (canPassObstacleTypes == null)
{
canPassObstacleTypes = AStarMapPathConst.Air_Can_Pass_Obstacle_Types;
}
if (canPassTerrainTypes == null)
{
canPassTerrainTypes = AStarMapPathConst.Air_Can_Pass_Terrain_Types;
}
Vector2Int?freePoint = AStarUtil.FindAroundFreePoint(GetMapPath(), result, null, canPassObstacleTypes,
canPassTerrainTypes, randomManager);
if (freePoint != null)
{
result = freePoint.Value;
}
}
return(result);
}
public Vector2Int GetRandomPos(RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
int dx = rightTopX - leftBottomX;
int dy = rightTopY - leftBottomY;
int x, y;
if (dx > 0)
{
x = leftBottomX + randomManager.RandomInt(0, Math.Abs(dx) + 1);
}
else if (dx < 0)
{
x = leftBottomX - randomManager.RandomInt(0, Math.Abs(dx) + 1);
}
else
{
x = leftBottomX;
}
if (dy > 0)
{
y = leftBottomY + randomManager.RandomInt(0, Math.Abs(dy) + 1);
}
else if (dy < 0)
{
y = leftBottomY - randomManager.RandomInt(0, Math.Abs(dy) + 1);
}
else
{
y = leftBottomY;
}
return(new Vector2Int(x, y));
}
//获取P点四周为的可以通过的点
public static Vector2Int?FindAroundFreePoint(AStarMapPath astarMapPath, Vector2Int basePoint,
List <Vector2Int> exceptPointList, int[] canPassObstacleTypes,
int[] canPassTerrainTypes, RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
if (!IsInRange(astarMapPath.GetFinalGrids(), basePoint))
{
return(null);
}
if (CanPass(astarMapPath, basePoint.x, basePoint.y, canPassObstacleTypes, canPassTerrainTypes) &&
(exceptPointList == null || !exceptPointList.Contains(basePoint)))
{
return(basePoint);
}
int max = Math.Max(Math.Max(basePoint.x, astarMapPath.Width() - basePoint.x),
Math.Max(basePoint.y, astarMapPath.Height() - basePoint.y));
for (int i = 1; i <= max; i++)
{
List <Vector2Int> list = GetAroundFreePointList(astarMapPath, basePoint, i, canPassObstacleTypes,
canPassTerrainTypes);
if (exceptPointList != null)
{
list.RemoveElementsOfSub(exceptPointList);
}
if (list.Count > 0)
{
return(list[randomManager.RandomInt(0, list.Count)]);
}
}
return(null);
}
/// <summary>
/// dir目录下创建prefix+yyyyMMddHHmmss+(随机数3位)+suffix文件
/// </summary>
/// <param name="dir"></param>
/// <param name="prefix"></param>
/// <param name="suffix"></param>
/// <returns></returns>
public static FileInfo CreateTimesliceFile(DirectoryInfo dir, string prefix, string suffix,
RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
int i = 0;
do
{
string dateTime = DateTimeUtil.NowDateTime().ToString(StringConst.String_yyyyMMddHHmmssSSS);
string rand = new StringBuilder(randomManager.RandomInt(0, 1000) + "").ToString();
string stem = dateTime
+ rand.FillHead(3, CharConst.Char_c);
string fileName = prefix + stem + suffix;
var file = new FileInfo(dir.SubPath(fileName));
if (file.Exists)
{
continue;
}
file.Create().Close();
return(file);
} while (i++ < 10000);
throw new IOException(dir.FullName + "中无法创建唯一文件");
}
/// <summary>
/// dir目录下创建prefix+yyyyMMddHHmmssSSS(len决定取yyyyMMddHHmmssSSS的多少位)+suffix文件
/// </summary>
/// <param name="dir">目录</param>
/// <param name="prefix">前缀</param>
/// <param name="suffix">后缀</param>
/// <param name="length"></param>
/// <returns></returns>
private static FileInfo CreateTimelyFile(DirectoryInfo dir, string prefix, string suffix, int length,
RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
int i = 0;
do
{
string dateTime = DateTimeUtil.NowDateTime().ToString(StringConst.String_yyyyMMddHHmmssSSS);
string rand = new StringBuilder(randomManager.RandomInt(0, 1000).ToString()).ToString();
string stem = (dateTime + rand.FillHead(3, CharConst.Char_0))
.Substring(0, length);
DirectoryInfo timelyDirectoryInfo = dir.CreateSubdirectory(stem);
timelyDirectoryInfo.Create();
if (timelyDirectoryInfo.Exists)
{
string fileName = prefix + stem + suffix;
var fileInfo = new FileInfo(timelyDirectoryInfo.SubPath(fileName));
if (fileInfo.Exists)
{
continue;
}
fileInfo.Create().Close();
return(fileInfo);
}
throw new IOException(string.Format("无法创建目录:", timelyDirectoryInfo.FullName));
} while (i++ < 10000);
throw new IOException(string.Format("{0}中无法创建唯一文件", dir.FullName));
}
public static Vector2Int?GetRandomMovePoint(AStarMapPath astarMapPath, Vector2Int basePoint,
Vector2Int goalPoint, int maxRadiusBetweenTargetPointAndGoalPoint, int[] canPassObstacleTypes,
int[] canPassTerrainTypes, RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
int outCount = randomManager.RandomInt(AStarMapPathConst.Random_Move_Distance_Min,
AStarMapPathConst.Random_Move_Distance_Max + 1);
List <Vector2Int> list = GetAroundFreePointList(astarMapPath, basePoint, outCount, canPassObstacleTypes,
canPassTerrainTypes);
while (list.Count > 0)
{
int removeIndex = randomManager.RandomInt(0, list.Count);
Vector2Int targetPoint = list[removeIndex];
list.RemoveAt(removeIndex);
if (Vector2Int.Distance(goalPoint, targetPoint) <= maxRadiusBetweenTargetPointAndGoalPoint)
{
return(targetPoint);
}
}
return(null);
}
//获取range范围内的可以通过的格子
public static Vector2Int?FindRangeFreePoint(AStarMapPath astarMapPath, int x1, int y1, int x2, int y2,
List <Vector2Int> exceptPointList,
int[] canPassObstacleTypes, int[] canPassTerrainTypes, RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
List <Vector2Int> list = GetRangeFreePointList(astarMapPath, x1, y1, x2, y2, exceptPointList,
canPassObstacleTypes, canPassTerrainTypes);
if (exceptPointList != null)
{
list.RemoveElementsOfSub(exceptPointList);
}
if (list.Count > 0)
{
return(list[randomManager.RandomInt(0, list.Count)]);
}
return(null);
}
//获取P点四周为+-out_count的可以通过的点
public static Vector2Int?FindAroundFreePoint(AStarMapPath astarMapPath, Vector2Int basePoint, int outCount,
int[] canPassObstacleTypes,
int[] canPassTerrainTypes, RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
if (!IsInRange(astarMapPath.GetFinalGrids(), basePoint))
{
return(null);
}
List <Vector2Int> list = GetAroundFreePointList(astarMapPath, basePoint, outCount, canPassObstacleTypes,
canPassTerrainTypes);
if (list.Count > 0)
{
return(list[randomManager.RandomInt(0, list.Count)]);
}
return(null);
}
/// <summary>
/// 随机一个total以内的队列（队列里面的元素不会重复）
/// </summary>
/// <param name="self"></param>
/// <param name="isIncludeTotal">是否包括total</param>
/// <param name="isZeroBase">是否从0开始</param>
/// <returns></returns>
public static List <int> Random(this int self, float outCount, bool isUnique, bool isIncludeTotal = false,
bool isZeroBase = true, RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
var result = new List <int>();
var toRandomList = new List <int>(); //要被随机的List
for (var i = isZeroBase ? 0 : 1; i < (isIncludeTotal ? self + 1 : self); i++)
{
toRandomList.Add(i);
}
for (var i = 0; i < outCount; i++)
{
var index = randomManager.RandomInt(0, toRandomList.Count);
result.Add(isUnique ? toRandomList.RemoveAt2(index) : toRandomList[index]);
}
return(result);
}
//返回的是不带offset的point
public Vector2Int GetRandomCanPassPoint(RandomManager randomManager = null)
{
randomManager = randomManager ?? Client.instance.randomManager;
var canPassPointList = new List <Vector2Int>();
for (int x = 0; x < astarMapPath.Width(); x++)
{
for (int y = 0; y < astarMapPath.Height(); y++)
{
if (CanPass(x, y))
{
canPassPointList.Add(new Vector2Int(x, y));
}
}
}
int randomIndex = randomManager.RandomInt(0, canPassPointList.Count);
return(canPassPointList[randomIndex]);
}
/// <summary>
/// 返回一个非负的整数
/// </summary>
public static int RandomInt()
{
return(randomManager.RandomInt());
}
