//根据传入的概率数组中的概率，随机出一个数值，返回相对应数值的索引值
public static int RandomGetIndexInPercent(IList <float> percent)
{
if (MNullHelper.IsNullOrEmpty(percent))
{
return(MCommonHelper.IsFalse);
}
float totalPercent = 0f;
for (int i = 0; i < percent.Count; i++)
{
totalPercent += percent[i];
}
if (totalPercent <= 0f)
{
return(MCommonHelper.IsFalse);
}
float random = RandomExclusive(0, totalPercent);
float proportion = 0f;
for (int i = 0; i < percent.Count; i++)
{
proportion += percent[i];
if (random <= proportion)
{
return(i);
}
}
return(MCommonHelper.IsFalse);
}
//得到所有的父节点
public static Stack <Transform> GetAllParentNode(Transform go, Transform endTransform = null, bool isContainEnd = true)
{
Stack <Transform> parentTransforms = new Stack <Transform>();
if (MNullHelper.IsNull(go))
{
return(parentTransforms);
}
for (; ;)
{
go = go.parent;
if (go == null)
{
return(parentTransforms);
}
if (go == endTransform)
{
if (isContainEnd)
{
parentTransforms.Push(go);
}
return(parentTransforms);
}
parentTransforms.Push(go);
}
}
//如果给定的物体是空的则创建物体
public static void CreateGameObjectIfNull(ref GameObject data, GameObject prefab, Transform parent, Action finishCreateMethod = null)
{
if (MNullHelper.IsNull(data))
{
data = CreateGameObject(prefab, parent);
if (finishCreateMethod != null)
{
finishCreateMethod();
}
}
}
public static void CreateGameObjectIfNull <T>(ref T data, T prefab, Transform parent, Action finishCreateMethod = null) where T : MonoBehaviour
{
if (MNullHelper.IsNull(data))
{
data = CreateGameObject(prefab, parent);
if (finishCreateMethod != null)
{
finishCreateMethod();
}
}
}
//引用是否失效
public static bool IsInvalid(WeakReference reference)
{
if (reference.IsAlive == false)
{
return(true);
}
if (MNullHelper.IsNull(reference.Target))
{
return(true);
}
return(false);
}
//对列表中的相应的数据进行替换
public static bool Replace <T>(IList <T> list, T oldData, T newData)
{
for (int i = 0; i < list.Count; i++)
{
if (MNullHelper.IsEqual(list[i], oldData))
{
list[i] = newData;
return(true);
}
}
return(false);
}
public static void SafeSetParent(Transform child, Transform parent)
{
if (MNullHelper.IsNull(child) || MNullHelper.IsNull(parent))
{
return;
}
if (!child.IsChildOf(parent))
{
child.SetParent(parent, false);
}
}
public static bool IsArrayEquel <T>(T[] array, IList <T> list)
{
if (array.Length != list.Count)
{
return(false);
}
for (int i = 0; i < array.Length; i++)
{
if (!MNullHelper.IsEqual(array[i], list[i]))
{
return(false);
}
}
return(true);
}
public static bool IsArrayContain <T>(T[] array, T data)
{
if (array == null)
{
return(false);
}
for (int i = 0; i < array.Length; i++)
{
if (MNullHelper.IsEqual(array[i], data))
{
return(true);
}
}
return(false);
}
//移除list中与data相同的所有数据
public static void RemoveMany <T>(List <T> list, IList <T> data)
{
if (MNullHelper.IsNullOrEmpty(list) || MNullHelper.IsNullOrEmpty(data))
{
return;
}
for (int i = 0; i < data.Count; i++)
{
for (int j = 0; j < list.Count; j++)
{
if (MNullHelper.IsEqual(list[j], data[i]))
{
list.RemoveAt(j);
break;
}
}
}
}
//查找子物体
//此方法支持物体名称查找、全部或部分路径查找
//查找方式为：先序遍历物体树状结构,返回找到的第一个
public static Transform FindChildrenTransformRecursion(Transform root, string targetName)
{
Transform targetTransform;
targetTransform = root.Find(targetName);
if (MNullHelper.IsNull(targetTransform))
{
for (int i = 0; i < root.childCount; i++)
{
Transform child = root.GetChild(i);
targetTransform = FindChildrenTransformRecursion(child, targetName);
if (!MNullHelper.IsNull(targetTransform))
{
break;
}
}
}
return(targetTransform);
}
//查找所有名字相同的子物体
//此查找方法比较消耗性能
//此方法只支持物体名称查找，不支持路径查找
public static List <Transform> FindChildrenTransformsRecursion(Transform root, string targetName)
{
List <Transform> targetTransforms = new List <Transform>();
if (!MNullHelper.IsNull(root) && !string.IsNullOrEmpty(targetName))
{
Transform child;
for (int i = 0; i < root.childCount; i++)
{
child = root.GetChild(i);
if (child.name == targetName)
{
targetTransforms.Add(child);
}
targetTransforms.AddRange(FindChildrenTransformsRecursion(child, targetName));
}
}
return(targetTransforms);
}
//得到物体在场景中的路径
public static string GetGameObjectPath(Transform transform, Transform endTransform = null, bool isContainEnd = true)
{
if (MNullHelper.IsNull(transform))
{
return("");
}
Stack <Transform> paths = GetAllParentNode(transform, endTransform, isContainEnd);
var path = MSharedStringBuilderManager.Get();
int pathsCount = paths.Count;
for (int i = 0; i < pathsCount; i++)
{
Transform go = paths.Pop();
path.Append(go.name);
path.Append('/');
}
path.Append(transform.name);
return(path.ToString());
}
