public void CompressBlock()
{
for (int i = 0; i < this.last_lit; i++)
{
int num = (int)(this.l_buf[i] & byte.MaxValue);
int num2 = (int)this.d_buf[i];
if (num2-- != 0)
{
int num3 = DeflaterHuffman.Lcode(num);
this.literalTree.WriteSymbol(num3);
int num4 = (num3 - 261) / 4;
if (num4 > 0 && num4 <= 5)
{
this.pending.WriteBits(num & (1 << num4) - 1, num4);
}
int num5 = DeflaterHuffman.Dcode(num2);
this.distTree.WriteSymbol(num5);
num4 = num5 / 2 - 1;
if (num4 > 0)
{
this.pending.WriteBits(num2 & (1 << num4) - 1, num4);
}
}
else
{
this.literalTree.WriteSymbol(num);
}
}
this.literalTree.WriteSymbol(256);
}
public bool TallyDist(int distance, int length)
{
this.d_buf[this.last_lit] = (short)distance;
this.l_buf[this.last_lit++] = (byte)(length - 3);
int num = DeflaterHuffman.Lcode(length - 3);
short[] freqs = this.literalTree.freqs;
int num2 = num;
freqs[num2] += 1;
if (num >= 265 && num < 285)
{
this.extra_bits += (num - 261) / 4;
}
int num3 = DeflaterHuffman.Dcode(distance - 1);
short[] freqs2 = this.distTree.freqs;
int num4 = num3;
freqs2[num4] += 1;
if (num3 >= 4)
{
this.extra_bits += num3 / 2 - 1;
}
return(this.IsFull());
}