fixed GCE1 decompression.

This commit is contained in:
morkt 2015-08-18 23:26:30 +04:00
parent 89e594f3bd
commit dd2c19c8c1

View File

@ -155,10 +155,8 @@ namespace GameRes.Formats.G2
{ {
m_dst = 0; m_dst = 0;
byte[] id = new byte[4]; byte[] id = new byte[4];
while (m_input.BaseStream.Position < m_input.BaseStream.Length) while (4 == m_input.Read (id, 0, 4))
{ {
if (4 != m_input.Read (id, 0, 4))
break;
int segment_length = m_input.ReadInt32(); int segment_length = m_input.ReadInt32();
if (Binary.AsciiEqual (id, "GCE1")) if (Binary.AsciiEqual (id, "GCE1"))
{ {
@ -171,7 +169,7 @@ namespace GameRes.Formats.G2
ReadControlStream (cmd_pos, cmd_len); ReadControlStream (cmd_pos, cmd_len);
int next = m_dst + segment_length; int next = m_dst + segment_length;
UnpackGce1Segment (data_length, segment_length); UnpackGce1Segment (segment_length);
m_dst = next; m_dst = next;
m_input.BaseStream.Position = cmd_pos + cmd_len; m_input.BaseStream.Position = cmd_pos + cmd_len;
} }
@ -190,22 +188,17 @@ namespace GameRes.Formats.G2
int[] m_frame = new int[0x10000]; int[] m_frame = new int[0x10000];
void UnpackGce1Segment (int data_len, int segment_length) void UnpackGce1Segment (int segment_length)
{ {
for (int i = 0; i < m_frame.Length; ++i)
m_frame[i] = 0;
int frame_pos = 0; int frame_pos = 0;
int data_pos = 0;
int dst_end = m_dst + segment_length; int dst_end = m_dst + segment_length;
while (data_pos < data_len && m_dst < dst_end) while (m_dst < dst_end)
{ {
int n = GetLength(); int n = GetLength();
while (n --> 0) while (n --> 0)
{ {
m_frame[frame_pos] = m_dst; m_frame[frame_pos] = m_dst;
byte b = m_input.ReadByte(); byte b = m_input.ReadByte();
data_pos++;
frame_pos = ((frame_pos << 8) | b) & 0xFFFF; frame_pos = ((frame_pos << 8) | b) & 0xFFFF;
m_output[m_dst++] = b; m_output[m_dst++] = b;
} }