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修改 目标序列匹配规则，加入KMP算法思想

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修改 默认运行的矩阵大小与缓冲区长度
This commit is contained in:
jie65535 2021-01-20 00:43:19 +08:00
parent e78de86e8d
commit 462c7551af
3 changed files with 43 additions and 9 deletions
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4
CodeMatrix/UCCodeMatrix.cs
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@ -69,8 +69,8 @@ namespace CodeMatrix
private void InitData()
{
Rows = 5;
Columns = 5;
Rows = 7;
Columns = 7;
_currDir = Directions.Horizontal;
HoverPoint = new Point(-1, -1);
}

2
CodeMatrix/UCCodeQueue.cs
View File

@ -34,7 +34,7 @@ namespace CodeMatrix
private void InitData()
{
BufferSize = 4;
BufferSize = 9;
CurrIndex = 0;
HoverCode = 0;
}

40
CodeMatrix/UCCodeTarget.cs
View File

@ -31,6 +31,7 @@ namespace CodeMatrix
public int OffsetIndex { get; private set; }
public int CurrIndex { get; private set; }
public byte[] TargetCodes { get; } = new byte[32];
private int[] _Next = new int[32];
public enum State
{
@ -49,14 +50,32 @@ namespace CodeMatrix
private void InitData()
{
BufferSize = 4;
TargetLength = Common.Random.Next(2) + 2;
BufferSize = 9;
TargetLength = Common.Random.Next(3, 6);
OffsetIndex = 0;
CurrIndex = 0;
HoverCode = 0;
CurrState = State.Input;
for (int i = 0; i < TargetLength; i++)
TargetCodes[i] = Common.Codes[Common.Random.Next(Common.Codes.Length)];
_Next[0] = -1;
_Next[1] = 0;
for (int i = 1, j = 0; i < TargetLength;)
{
if (j == -1 || TargetCodes[i] == TargetCodes[j])
{
i++;
j++;
if (TargetCodes[i] != TargetCodes[j])
_Next[i] = j;
else
_Next[i] = _Next[j];
}
else
{
j = _Next[j];
}
}
}
private void InitComponent()
@ -177,10 +196,25 @@ namespace CodeMatrix
{
if (CurrState == State.Input)
{
while (true)
{
if (CurrIndex == -1)
{
CurrIndex = 0;
break;
}
if (code == TargetCodes[CurrIndex])
{
CurrIndex++;
break;
}
else
OffsetIndex++;
{
var next = _Next[CurrIndex];
OffsetIndex += CurrIndex - next;
CurrIndex = next;
}
}
if (OffsetIndex + TargetLength > BufferSize)
CurrState = State.Reject;