/// <summary>
/// 設定時間(9:00:00 ~ 16:59:59 以外的時間)
/// </summary>
/// <param name="buffer">ZBuffer類別</param>
/// <param name="time">時間設定值</param>
/// <param name="isReal">是否為即時 true=即時 false=補價</param>
internal static void SetOther(PacketBuffer buffer, int time, bool isReal)
{
ushort usTime = 0;
byte bHour = 0, bMinute = 0, bSecond = 0;
bHour = (byte)(time / 3600);
if (bHour == 6 || bHour == 7)
{
--bHour;
}
else
{
bHour -= 17;
}
time %= 3600;
bMinute = (byte)(time / 60);
bSecond = (byte)(time % 60);
if (!isReal)
{
usTime = BitConvert.SetValue(usTime, 15, 1);
}
usTime = BitConvert.SetValue(usTime, 12, bHour);
usTime = BitConvert.SetValue(usTime, 6, bMinute);
usTime = BitConvert.SetValue(usTime, 0, bSecond);
buffer.Data[buffer.Position++] = (byte)((usTime >> 8) & 0xff);
buffer.Data[buffer.Position++] = (byte)(usTime & 0xff);
}
/// <summary>
/// 編碼價格資訊函式
/// </summary>
/// <param name="Buffer">緩衝區</param>
/// <param name="Price">價格</param>
/// <param name="ReferPrice">參考價</param>
/// <param name="PriceFlag">價格旗標</param>
/// <param name="BitIndex">起始位元索引(0=最右邊起始位元 依序向左遞增)</param>
internal static void SetPrice(PacketBuffer Buffer, float Price, float ReferPrice, ref byte PriceFlag, int BitIndex)
{
int iValue = 0;
if (ReferPrice == 0 || System.Math.Abs(Price - ReferPrice) > 255)
{
iValue = decimal.ToInt32(new decimal(Price) * 100);
}
else
{
iValue = decimal.ToInt32((new decimal(Price) * 100) - (new decimal(ReferPrice) * 100));
}
int iNegative = (((iValue & 0x80000000) == 0) ? 0x00 : 0x80);
if (iNegative == 0x80) //如果是負數
{
iValue = ~iValue; //做2的補數(變成正數)
++iValue;
}
int iInteger = iValue / 100;
int iDot = iValue % 100;
if (iInteger == 0 && iDot > 0)
{
Buffer.Data[Buffer.Position++] = (byte)(iDot | iNegative);
PriceFlag = BitConvert.SetValue(PriceFlag, BitIndex, 0);
}
else if (iInteger < 128 && iDot == 0)
{
Buffer.Data[Buffer.Position++] = (byte)(iInteger | iNegative);
PriceFlag = BitConvert.SetValue(PriceFlag, BitIndex, 2);
}
else if (iInteger < 256)
{
Buffer.Data[Buffer.Position++] = (byte)iInteger;
Buffer.Data[Buffer.Position++] = (byte)(iDot | iNegative);
PriceFlag = BitConvert.SetValue(PriceFlag, BitIndex, 3);
}
else
{
Buffer.Data[Buffer.Position++] = (byte)(iInteger >> 8);
Buffer.Data[Buffer.Position++] = (byte)(iInteger & 0xff);
Buffer.Data[Buffer.Position++] = (byte)iDot;
PriceFlag = BitConvert.SetValue(PriceFlag, BitIndex, 1);
}
}
/// <summary>
/// 設定成交量資訊函式
/// </summary>
/// <param name="Buffer">封包陣列</param>
/// <param name="Volumn">成交量</param>
/// <param name="VolumnFlag">成交量旗標</param>
/// <param name="BitIndex">起始位元索引(0=最右邊起始位元 依序向左遞增)</param>
internal static void SetVolumn(PacketBuffer Buffer, uint Volumn, ref byte VolumnFlag, int BitIndex)
{
byte[] bTmpData = new byte[4]; //建立一個暫存的陣列
byte i = 0;
for (i = 0; i <= 3; i++)
{
bTmpData[i] = (byte)(Volumn & 0xff);
if ((Volumn >>= 8) == 0)
{
break;
}
}
VolumnFlag = BitConvert.SetValue(VolumnFlag, BitIndex, i);
int iCount = i + 1;
for (byte j = 0; j < iCount; j++)
{
Buffer.Data[Buffer.Position++] = bTmpData[i - j];
}
}