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不是A右边小于等于B左边，且不是A左边大于等于B右边

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大石头 2017-09-20 00:17:14 +08:00
parent 5ea8e79428
commit a5dbc2471c
1 changed files with 8 additions and 2 deletions
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10
Message/DataStore.cpp
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@ -151,8 +151,14 @@ bool Area::In(uint start, uint len)
bool Area::Any(uint start, uint len) bool Area::Any(uint start, uint len)
{ {
// 只要搭边就算数 // 只要搭边就算数
//return start <= Offset + Size && start + len >= Offset; // start <= A < start + len
return !(Offset > start + len - 1 || Offset + Size < start); // Offset <= B < Offset + Size
// A左边小于B右边，且A右边大于B左边
//return start < Offset + Size && start + len > Offset;
// 不是A右边小于等于B左边，且不是A左边大于等于B右边
return !(Offset >= start + len || Offset + Size <= start);
} }
/****************************** 数据操作接口 ************************************/ /****************************** 数据操作接口 ************************************/