private static int[] GetLabels(SSEQ Seq, List <int> existingLabels)
{
int Offset = 0;
List <int> intList = new List <int>();
if (existingLabels != null)
{
intList.AddRange(existingLabels);
}
while (Offset < Seq.Data.Length)
{
bool flag = false;
byte num1 = Seq.Data[Offset++];
if (num1 == (byte)162)
{
num1 = Seq.Data[Offset++];
}
byte num2 = 0;
if (num1 == (byte)160)
{
num1 = Seq.Data[Offset++];
num2 = (byte)3;
flag = true;
}
if (num1 == (byte)161)
{
num1 = Seq.Data[Offset++];
num2 = (byte)4;
flag = true;
}
if (num1 < (byte)128)
{
if (num1 != (byte)0 || Offset < Seq.Data.Length - 4)
{
byte num3 = Seq.Data[Offset++];
byte num4 = 2;
if (flag)
{
num4 = num2;
}
SMFT.ReadArg(Seq.Data, ref Offset, (int)num4);
}
else
{
break;
}
}
else
{
switch ((int)num1 & 240)
{
case 128:
int type1 = 2;
if (flag)
{
type1 = (int)num2;
}
int num5 = (int)(short)SMFT.ReadArg(Seq.Data, ref Offset, type1);
continue;
case 144:
switch (num1)
{
case 147:
byte[] data1 = Seq.Data;
int index1 = Offset;
int num6 = index1 + 1;
int num7 = (int)data1[index1];
byte[] data2 = Seq.Data;
int index2 = num6;
int num8 = index2 + 1;
int num9 = (int)data2[index2];
byte[] data3 = Seq.Data;
int index3 = num8;
int num10 = index3 + 1;
int num11 = (int)data3[index3] << 8;
int num12 = num9 | num11;
byte[] data4 = Seq.Data;
int index4 = num10;
Offset = index4 + 1;
int num13 = (int)data4[index4] << 16;
int num14 = num12 | num13;
if (!intList.Contains(num14))
{
intList.Add(num14);
continue;
}
continue;
case 148:
byte[] data5 = Seq.Data;
int index5 = Offset;
int num15 = index5 + 1;
int num16 = (int)data5[index5];
byte[] data6 = Seq.Data;
int index6 = num15;
int num17 = index6 + 1;
int num18 = (int)data6[index6] << 8;
int num19 = num16 | num18;
byte[] data7 = Seq.Data;
int index7 = num17;
Offset = index7 + 1;
int num20 = (int)data7[index7] << 16;
int num21 = num19 | num20;
if (!intList.Contains(num21))
{
intList.Add(num21);
continue;
}
continue;
case 149:
byte[] data8 = Seq.Data;
int index8 = Offset;
int num22 = index8 + 1;
int num23 = (int)data8[index8];
byte[] data9 = Seq.Data;
int index9 = num22;
int num24 = index9 + 1;
int num25 = (int)data9[index9] << 8;
int num26 = num23 | num25;
byte[] data10 = Seq.Data;
int index10 = num24;
Offset = index10 + 1;
int num27 = (int)data10[index10] << 16;
int num28 = num26 | num27;
if (!intList.Contains(num28))
{
intList.Add(num28);
continue;
}
continue;
default:
continue;
}
case 176:
int num29 = (int)Seq.Data[Offset++];
int type2 = 1;
if (flag)
{
type2 = (int)num2;
}
short num30 = (short)SMFT.ReadArg(Seq.Data, ref Offset, type2);
continue;
case 192:
case 208:
int type3 = 0;
if (flag)
{
type3 = (int)num2;
}
SMFT.ReadArg(Seq.Data, ref Offset, type3);
continue;
case 224:
int type4 = 1;
if (flag)
{
type4 = (int)num2;
}
short num31 = (short)SMFT.ReadArg(Seq.Data, ref Offset, type4);
continue;
case 240:
switch (num1)
{
case 254:
Offset += 2;
continue;
default:
continue;
}
default:
continue;
}
}
}
return(intList.ToArray());
}
public static string ToSMFT(SSEQ Seq, List <int> existingLabels = null)
{
int[] labels = SMFT.GetLabels(Seq, existingLabels);
int Offset = 0;
StringBuilder b = new StringBuilder();
while (Offset < Seq.Data.Length)
{
if (((IEnumerable <int>)labels).Contains <int>(Offset))
{
b.AppendFormat("\nLabel_0x{0:X8}:\n", (object)Offset);
}
string str = "";
bool flag = false;
byte num1 = Seq.Data[Offset++];
if (num1 == (byte)162)
{
num1 = Seq.Data[Offset++];
str = "_if" + str;
}
byte num2 = 0;
if (num1 == (byte)160)
{
num1 = Seq.Data[Offset++];
str = "_r" + str;
num2 = (byte)3;
flag = true;
}
if (num1 == (byte)161)
{
num1 = Seq.Data[Offset++];
str = "_v" + str;
num2 = (byte)4;
flag = true;
}
if (num1 < (byte)128)
{
if (num1 != (byte)0 || Offset < Seq.Data.Length - 4)
{
byte num3 = Seq.Data[Offset++];
int index = (int)num1 % 12;
int num4 = (int)num1 / 12 - 1;
b.AppendFormat(" {0}{1} {2},", (object)SMFT.Notes[index], (object)((num4 < 0 ? "m1" : string.Concat((object)num4)) + str), (object)num3);
if (flag)
{
SMFT.WriteArgOverride(b, Seq.Data, ref Offset, (int)num2);
}
else
{
b.AppendFormat(" {0}\n", (object)SMFT.ReadArg(Seq.Data, ref Offset, 2));
}
}
else
{
break;
}
}
else
{
switch ((int)num1 & 240)
{
case 128:
short num5 = -1;
if (!flag)
{
num5 = (short)SMFT.ReadArg(Seq.Data, ref Offset, 2);
}
switch (num1)
{
case 128:
b.Append(" wait" + str);
break;
case 129:
b.Append(" prg" + str);
break;
}
if (flag)
{
SMFT.WriteArgOverride(b, Seq.Data, ref Offset, (int)num2);
continue;
}
b.AppendFormat(" {0}\n", (object)num5);
continue;
case 144:
switch (num1)
{
case 147:
int num6 = (int)Seq.Data[Offset++];
int num7 = (int)Seq.Data[Offset++] | (int)Seq.Data[Offset++] << 8 | (int)Seq.Data[Offset++] << 16;
b.AppendFormat(" opentrack{0} {1}, Label_0x{2:X8}\n", (object)str, (object)num6, (object)num7);
continue;
case 148:
int num8 = (int)Seq.Data[Offset++] | (int)Seq.Data[Offset++] << 8 | (int)Seq.Data[Offset++] << 16;
b.AppendFormat(" jump{0} Label_0x{1:X8}\n", (object)str, (object)num8);
continue;
case 149:
int num9 = (int)Seq.Data[Offset++] | (int)Seq.Data[Offset++] << 8 | (int)Seq.Data[Offset++] << 16;
b.AppendFormat(" call{0} Label_0x{1:X8}\n", (object)str, (object)num9);
continue;
default:
continue;
}
case 176:
switch (num1)
{
case 176:
b.Append(" setvar" + str);
break;
case 177:
b.Append(" addvar" + str);
break;
case 178:
b.Append(" subvar" + str);
break;
case 179:
b.Append(" mulvar" + str);
break;
case 180:
b.Append(" divvar" + str);
break;
case 181:
b.Append(" shiftvar" + str);
break;
case 182:
b.Append(" randvar" + str);
break;
case 184:
b.Append(" cmp_eq" + str);
break;
case 185:
b.Append(" cmp_ge" + str);
break;
case 186:
b.Append(" cmp_gt" + str);
break;
case 187:
b.Append(" cmp_le" + str);
break;
case 188:
b.Append(" cmp_lt" + str);
break;
case 189:
b.Append(" cmp_ne" + str);
break;
}
int num10 = (int)Seq.Data[Offset++];
b.AppendFormat(" {0},", (object)num10);
if (flag)
{
SMFT.WriteArgOverride(b, Seq.Data, ref Offset, (int)num2);
continue;
}
b.AppendFormat(" {0}\n", (object)(short)SMFT.ReadArg(Seq.Data, ref Offset, 1));
continue;
case 192:
case 208:
int num11 = 0;
if (!flag)
{
num11 = SMFT.ReadArg(Seq.Data, ref Offset, 0);
}
switch (num1)
{
case 192:
b.Append(" pan" + str);
break;
case 193:
b.Append(" volume" + str);
break;
case 194:
b.Append(" main_volume" + str);
break;
case 195:
b.Append(" transpose" + str);
break;
case 196:
b.Append(" pitchbend" + str);
break;
case 197:
b.Append(" bendrange" + str);
break;
case 198:
b.Append(" prio" + str);
break;
case 199:
b.AppendFormat(" notewait_{0}", (object)(((num11 & 1) == 1 ? "on" : "off") + str));
break;
case 200:
b.AppendFormat(" tie{0}", (object)(((num11 & 1) == 1 ? "on" : "off") + str));
break;
case 201:
b.Append(" porta" + str);
break;
case 202:
b.Append(" mod_depth" + str);
break;
case 203:
b.Append(" mod_speed" + str);
break;
case 204:
b.Append(" mod_type" + str);
break;
case 205:
b.Append(" mod_range" + str);
break;
case 206:
b.AppendFormat(" porta_{0}", (num11 & 1) == 1 ? (object)"on" : (object)"off");
break;
case 207:
b.Append(" porta_time" + str);
break;
case 208:
b.Append(" attack" + str);
break;
case 209:
b.Append(" decay" + str);
break;
case 210:
b.Append(" sustain" + str);
break;
case 211:
b.Append(" release" + str);
break;
case 212:
b.Append(" loop_start" + str);
break;
case 213:
b.Append(" volume2" + str);
break;
case 214:
b.Append(" printvar" + str);
break;
case 215:
b.Append(" mute" + str);
break;
}
if (flag)
{
SMFT.WriteArgOverride(b, Seq.Data, ref Offset, (int)num2);
continue;
}
switch (num1)
{
case 195:
case 196:
b.AppendFormat(" {0}\n", (object)(sbyte)num11);
continue;
case 199:
case 200:
case 206:
b.AppendLine();
continue;
default:
b.AppendFormat(" {0}\n", (object)num11);
continue;
}
case 224:
switch (num1)
{
case 224:
b.Append(" mod_delay" + str);
break;
case 225:
b.Append(" tempo" + str);
break;
case 227:
b.Append(" sweep_pitch" + str);
break;
}
if (flag)
{
SMFT.WriteArgOverride(b, Seq.Data, ref Offset, (int)num2);
continue;
}
if (num1 == (byte)227)
{
b.AppendFormat(" {0}\n", (object)(short)SMFT.ReadArg(Seq.Data, ref Offset, 1));
continue;
}
b.AppendFormat(" {0}\n", (object)(ushort)SMFT.ReadArg(Seq.Data, ref Offset, 1));
continue;
case 240:
switch (num1)
{
case 252:
b.AppendLine(" loop_end" + str);
continue;
case 253:
b.AppendLine(" ret" + str);
continue;
case 254:
b.AppendFormat(" alloctrack{0} 0x{1:X4}\n", (object)str, (object)SMFT.ReadArg(Seq.Data, ref Offset, 1));
continue;
case byte.MaxValue:
b.AppendLine(" fin" + str);
continue;
default:
continue;
}
default:
continue;
}
}
}
return(b.ToString());
}