private static MethodInfo[] GetEmulatorMethods(MethodInfo defaultMethod, OpcodeAttribute opcodeAttribute)
{
var result = new MethodInfo[4];
// Make sure the array is populated with sizes supported by the default method.
if ((opcodeAttribute.OperandSize & 16) == 16 && (opcodeAttribute.AddressSize & 16) == 16)
{
result[0] = defaultMethod;
}
if ((opcodeAttribute.OperandSize & 32) == 32 && (opcodeAttribute.AddressSize & 16) == 16)
{
result[1] = defaultMethod;
}
if ((opcodeAttribute.OperandSize & 16) == 16 && (opcodeAttribute.AddressSize & 32) == 32)
{
result[2] = defaultMethod;
}
if ((opcodeAttribute.OperandSize & 32) == 32 && (opcodeAttribute.AddressSize & 32) == 32)
{
result[3] = defaultMethod;
}
// Look for altnerate methods defined in the same class.
var otherMethods = defaultMethod.DeclaringType.GetMethods(BindingFlags.Static | BindingFlags.Public);
foreach (var method in otherMethods)
{
var attrObjects = method.GetCustomAttributes(typeof(AlternateAttribute), false);
if (attrObjects != null && attrObjects.Length == 1)
{
var alt = (AlternateAttribute)attrObjects[0];
if (alt.MethodName == defaultMethod.Name)
{
if ((alt.OperandSize & 16) == 16 && (alt.AddressSize & 16) == 16)
{
result[0] = method;
}
if ((alt.OperandSize & 32) == 32 && (alt.AddressSize & 16) == 16)
{
result[1] = method;
}
if ((alt.OperandSize & 16) == 16 && (alt.AddressSize & 32) == 32)
{
result[2] = method;
}
if ((alt.OperandSize & 32) == 32 && (alt.AddressSize & 32) == 32)
{
result[3] = method;
}
}
}
}
return(result);
}
public static void DefineOpcodeHandler()
{
Type[] array = PacketManager.smethod_1(PacketManager.smethod_0());
while (true)
{
IL_1DB:
uint arg_1B6_0 = 1781133873u;
while (true)
{
uint num;
int num2;
uint arg_142_0;
int num3;
switch ((num = (arg_1B6_0 ^ 315123486u)) % 6u)
{
case 0u:
goto IL_1DB;
case 1u:
num2 = 0;
arg_1B6_0 = (num * 2433928120u ^ 2770631119u);
continue;
case 2u:
goto IL_186;
case 3u:
IL_11E:
if (num2 < array.Length)
{
goto IL_186;
}
arg_142_0 = 792245191u;
break;
case 4u:
num3 = 0;
goto IL_111;
case 5u:
goto IL_16A;
default:
goto IL_16A;
}
while (true)
{
IL_13D:
switch ((num = (arg_142_0 ^ 315123486u)) % 5u)
{
case 1u:
num2++;
arg_142_0 = (num * 2650436441u ^ 3815917589u);
continue;
case 2u:
goto IL_11E;
case 3u:
goto IL_111;
case 4u:
goto IL_163;
}
return;
}
IL_186:
MethodInfo[] array2 = PacketManager.smethod_2(array[num2]);
arg_1B6_0 = 2007019048u;
continue;
IL_111:
if (num3 >= array2.Length)
{
arg_142_0 = 235062078u;
goto IL_13D;
}
goto IL_16A;
IL_163:
arg_142_0 = 1841975739u;
goto IL_13D;
IL_16A:
MethodInfo methodInfo = array2[num3];
IEnumerator <OpcodeAttribute> enumerator = methodInfo.GetCustomAttributes <OpcodeAttribute>().GetEnumerator();
try
{
while (true)
{
IL_BA:
uint arg_8A_0 = PacketManager.smethod_5(enumerator) ? 2138237464u : 70193693u;
while (true)
{
switch ((num = (arg_8A_0 ^ 315123486u)) % 5u)
{
case 0u:
arg_8A_0 = 2138237464u;
continue;
case 1u:
goto IL_BA;
case 2u:
{
OpcodeAttribute current = enumerator.Current;
arg_8A_0 = ((current == null) ? 314398218u : 1728240380u);
continue;
}
case 4u:
{
OpcodeAttribute current;
PacketManager.OpcodeHandlers[current.Opcode] = (PacketManager.HandlePacket)PacketManager.smethod_4(PacketManager.smethod_3(typeof(PacketManager.HandlePacket).TypeHandle), methodInfo);
arg_8A_0 = (num * 3181307333u ^ 518397664u);
continue;
}
}
goto Block_7;
}
}
Block_7 :;
}
finally
{
if (enumerator != null)
{
while (true)
{
IL_103 :
uint arg_EA_0 = 921856005u;
while (true)
{
switch ((num = (arg_EA_0 ^ 315123486u)) % 3u)
{
case 0u:
goto IL_103;
case 1u:
PacketManager.smethod_6(enumerator);
arg_EA_0 = (num * 374831327u ^ 897885318u);
continue;
}
goto Block_11;
}
}
Block_11 :;
}
}
num3++;
goto IL_163;
}
}
}
