/// <summary>
/// 把整个灯光平移至某个时间格
/// </summary>
/// <param name="lightGroup"></param>
/// <param name="startTime"></param>
/// <returns></returns>
public static List <Light> SetStartTime(List <Light> lightGroup, int startTime)
{
List <Light> ll = LightBusiness.Copy(lightGroup);
if (ll.Count == 0)
{
return(ll);
}
ll = LightBusiness.Sort(ll);
int addTime = startTime - ll[0].Time;
for (int i = 0; i < ll.Count; i++)
{
ll[i].Time += addTime;
}
return(ll);
}
/// <summary>
/// 写入Midi文件
/// </summary>
/// <param name="filePath"></param>
/// <param name="mActionBeanList"></param>
public void WriteMidiFile(String filePath, String fileName, List <Light> mActionBeanList, bool isWriteToFile)
{
fileName = "";
List <char> StartStr = new List <char>
{
(char)77,
(char)84,
(char)104,
(char)100,
(char)0,
(char)0,
(char)0,
(char)6,
(char)0,
(char)0,
(char)0,
(char)1,
(char)0,
(char)96,
(char)77,
(char)84,
(char)114,
(char)107,
(char)0,
(char)0,
(char)0,
(char)33
};//文件头
//StartStr.Add((char)0);
//StartStr.Add((char)255);
//StartStr.Add((char)3);
//StartStr.Add((char)1);
//StartStr.Add((char)0);
if (isWriteToFile)
{
StartStr.Add((char)0); //00 ff 03 - 音轨名称
StartStr.Add((char)255);
StartStr.Add((char)3);
if (Encoding.Default.BodyName.ToLower().Equals("gb2312") || Encoding.Default.BodyName.ToLower().Equals("big5"))
{
StartStr.Add((char)(fileName.Length * 2));// 汉字编码2个字节
}
else
{
StartStr.Add((char)fileName.Length);
}
}
List <char> StartStr2 = new List <char>
{
(char)0,
(char)255,
(char)88,
(char)4,
(char)4,
(char)2,
(char)36,
(char)8,
(char)0,
(char)255,
(char)88,
(char)4,
(char)4,
(char)2,
(char)36,
(char)8
};//文件头
List <char> EndStr = new List <char>
{
(char)0,
(char)255,
(char)47,
(char)0
};//文件尾
String Action = WriteMidiContent(LightBusiness.Copy(mActionBeanList));
//18 - 21 位置的数字可以由两种方法得出 20 + 动作次数（开始结束都算）* 4 或是 文件大小 - 22
String Zero = "";
String Size;
if (isWriteToFile)
{
if (Encoding.Default.BodyName.ToLower().Equals("gb2312") || Encoding.Default.BodyName.ToLower().Equals("big5"))
{
Size = System.Convert.ToString(20 + fileName.Length * 2 + mActionBeanList.Count * 4, 2);
}
else
{
Size = System.Convert.ToString(20 + fileName.Length + mActionBeanList.Count * 4, 2);
}
}
else
{
Size = System.Convert.ToString(20 + mActionBeanList.Count * 4, 2);
}
for (int j = 0; j < 32 - Size.Length; j++)
{
Zero += '0';
}
Size = Zero + Size;
String one = Size.Substring(0, 8);
String two = Size.Substring(8, 8);
String three = Size.Substring(16, 8);
String four = Size.Substring(24, 8);
StartStr[18] = (char)System.Convert.ToInt32(one, 2);
StartStr[19] = (char)System.Convert.ToInt32(two, 2);
StartStr[20] = (char)System.Convert.ToInt32(three, 2);
StartStr[21] = (char)System.Convert.ToInt32(four, 2);
StringBuilder line = new StringBuilder();
for (int j = 0; j < StartStr.Count; j++)
{
line.Append(StartStr[j]);
}
//获得文件路径
if (File.Exists(filePath))
{
File.Delete(filePath);
}
FileStream f = new FileStream(filePath, FileMode.OpenOrCreate);
for (int j = 0; j < line.Length; j++)
{
f.WriteByte((byte)line[j]);
}
line.Clear();
//gb2312
Byte[] bytess = Encoding.Default.GetBytes(fileName);
foreach (Byte b in bytess)
{
f.WriteByte(b);
}
for (int j = 0; j < StartStr2.Count; j++)
{
line.Append(StartStr2[j]);
}
line.Append(Action);
for (int j = 0; j < EndStr.Count; j++)
{
line.Append(EndStr[j]);
}
for (int j = 0; j < line.Length; j++)
{
f.WriteByte((byte)line[j]);
}
f.Close();
}