public int method_3(Class48 class48_1)
{
int num = this.int_2;
int num2 = this.int_1 - this.int_2;
if (this.int_4 == 0)
{
if (num2 < 27)
{
return(0);
}
if (this.byte_0[num] == 79 && this.byte_0[num + 1] == 103 && this.byte_0[num + 2] == 103)
{
if (this.byte_0[num + 3] == 83)
{
int num3 = (int)((this.byte_0[num + 26] & 255) + 27);
if (num2 < num3)
{
return(0);
}
for (int i = 0; i < (int)(this.byte_0[num + 26] & 255); i++)
{
this.int_5 += (int)(this.byte_0[num + 27 + i] & 255);
}
this.int_4 = num3;
goto IL_11E;
}
}
this.int_4 = 0;
this.int_5 = 0;
int num4 = 0;
for (int j = 0; j < num2 - 1; j++)
{
if (this.byte_0[num + 1 + j] == 79)
{
num4 = num + 1 + j;
goto IL_108;
}
}
IL_108:
if (num4 == 0)
{
num4 = this.int_1;
}
this.int_2 = num4;
return(-(num4 - num));
}
IL_11E:
if (this.int_5 + this.int_4 > num2)
{
return(0);
}
lock (this.byte_1)
{
Buffer.BlockCopy(this.byte_0, num + 22, this.byte_1, 0, 4);
this.byte_0[num + 22] = 0;
this.byte_0[num + 23] = 0;
this.byte_0[num + 24] = 0;
this.byte_0[num + 25] = 0;
Class48 @class = this.class48_0;
@class.byte_0 = this.byte_0;
@class.int_0 = num;
@class.int_1 = this.int_4;
@class.byte_1 = this.byte_0;
@class.int_2 = num + this.int_4;
@class.int_3 = this.int_5;
@class.method_7();
if (this.byte_1[0] == this.byte_0[num + 22] && this.byte_1[1] == this.byte_0[num + 23] && this.byte_1[2] == this.byte_0[num + 24])
{
if (this.byte_1[3] == this.byte_0[num + 25])
{
goto IL_2B0;
}
}
Buffer.BlockCopy(this.byte_1, 0, this.byte_0, num + 22, 4);
this.int_4 = 0;
this.int_5 = 0;
int num4 = 0;
for (int k = 0; k < num2 - 1; k++)
{
if (this.byte_0[num + 1 + k] == 79)
{
num4 = num + 1 + k;
goto IL_28C;
}
}
IL_28C:
if (num4 == 0)
{
num4 = this.int_1;
}
this.int_2 = num4;
return(-(num4 - num));
}
IL_2B0:
num = this.int_2;
if (class48_1 != null)
{
class48_1.byte_0 = this.byte_0;
class48_1.int_0 = num;
class48_1.int_1 = this.int_4;
class48_1.byte_1 = this.byte_0;
class48_1.int_2 = num + this.int_4;
class48_1.int_3 = this.int_5;
}
this.int_3 = 0;
this.int_2 += (num2 = this.int_4 + this.int_5);
this.int_4 = 0;
this.int_5 = 0;
return(num2);
}
