public LzxDecoder(int window)
{
uint num1 = (uint) (1 << window);
if (window < 15 || window > 21)
throw new UnsupportedWindowSizeRange();
this.m_state = new LzxDecoder.LzxState();
this.m_state.actual_size = 0U;
this.m_state.window = new byte[(IntPtr) num1];
for (int index = 0; (long) index < (long) num1; ++index)
this.m_state.window[index] = (byte) 220;
this.m_state.actual_size = num1;
this.m_state.window_size = num1;
this.m_state.window_posn = 0U;
if (LzxDecoder.extra_bits == null)
{
LzxDecoder.extra_bits = new byte[52];
int index = 0;
int num2 = 0;
while (index <= 50)
{
LzxDecoder.extra_bits[index] = LzxDecoder.extra_bits[index + 1] = (byte) num2;
if (index != 0 && num2 < 17)
++num2;
index += 2;
}
}
if (LzxDecoder.position_base == null)
{
LzxDecoder.position_base = new uint[51];
int index = 0;
int num2 = 0;
for (; index <= 50; ++index)
{
LzxDecoder.position_base[index] = (uint) num2;
num2 += 1 << (int) LzxDecoder.extra_bits[index];
}
}
int num3 = window != 20 ? (window != 21 ? window << 1 : 50) : 42;
this.m_state.R0 = this.m_state.R1 = this.m_state.R2 = 1U;
this.m_state.main_elements = (ushort) (256 + (num3 << 3));
this.m_state.header_read = 0;
this.m_state.frames_read = 0U;
this.m_state.block_remaining = 0U;
this.m_state.block_type = LzxConstants.BLOCKTYPE.INVALID;
this.m_state.intel_curpos = 0;
this.m_state.intel_started = 0;
this.m_state.PRETREE_table = new ushort[104];
this.m_state.PRETREE_len = new byte[84];
this.m_state.MAINTREE_table = new ushort[5408];
this.m_state.MAINTREE_len = new byte[720];
this.m_state.LENGTH_table = new ushort[4596];
this.m_state.LENGTH_len = new byte[314];
this.m_state.ALIGNED_table = new ushort[144];
this.m_state.ALIGNED_len = new byte[72];
for (int index = 0; index < 656; ++index)
this.m_state.MAINTREE_len[index] = (byte) 0;
for (int index = 0; index < 250; ++index)
this.m_state.LENGTH_len[index] = (byte) 0;
}
public LzxDecoder(int window)
{
uint num1 = (uint)(1 << window);
if (window < 15 || window > 21)
{
throw new UnsupportedWindowSizeRange();
}
this.m_state = new LzxDecoder.LzxState();
this.m_state.actual_size = 0U;
this.m_state.window = new byte[(IntPtr)num1];
for (int index = 0; (long)index < (long)num1; ++index)
{
this.m_state.window[index] = (byte)220;
}
this.m_state.actual_size = num1;
this.m_state.window_size = num1;
this.m_state.window_posn = 0U;
if (LzxDecoder.extra_bits == null)
{
LzxDecoder.extra_bits = new byte[52];
int index = 0;
int num2 = 0;
while (index <= 50)
{
LzxDecoder.extra_bits[index] = LzxDecoder.extra_bits[index + 1] = (byte)num2;
if (index != 0 && num2 < 17)
{
++num2;
}
index += 2;
}
}
if (LzxDecoder.position_base == null)
{
LzxDecoder.position_base = new uint[51];
int index = 0;
int num2 = 0;
for (; index <= 50; ++index)
{
LzxDecoder.position_base[index] = (uint)num2;
num2 += 1 << (int)LzxDecoder.extra_bits[index];
}
}
int num3 = window != 20 ? (window != 21 ? window << 1 : 50) : 42;
this.m_state.R0 = this.m_state.R1 = this.m_state.R2 = 1U;
this.m_state.main_elements = (ushort)(256 + (num3 << 3));
this.m_state.header_read = 0;
this.m_state.frames_read = 0U;
this.m_state.block_remaining = 0U;
this.m_state.block_type = LzxConstants.BLOCKTYPE.INVALID;
this.m_state.intel_curpos = 0;
this.m_state.intel_started = 0;
this.m_state.PRETREE_table = new ushort[104];
this.m_state.PRETREE_len = new byte[84];
this.m_state.MAINTREE_table = new ushort[5408];
this.m_state.MAINTREE_len = new byte[720];
this.m_state.LENGTH_table = new ushort[4596];
this.m_state.LENGTH_len = new byte[314];
this.m_state.ALIGNED_table = new ushort[144];
this.m_state.ALIGNED_len = new byte[72];
for (int index = 0; index < 656; ++index)
{
this.m_state.MAINTREE_len[index] = (byte)0;
}
for (int index = 0; index < 250; ++index)
{
this.m_state.LENGTH_len[index] = (byte)0;
}
}
