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minor DRG compression fix.

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This commit is contained in:
morkt 2014-08-23 05:48:31 +04:00
parent da046d484f
commit a9228c7534
1 changed files with 3 additions and 3 deletions
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6
ArcFormats/ImageDRG.cs
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@ -380,12 +380,12 @@ namespace GameRes.Formats.DRS
SortedSet<int> found; SortedSet<int> found;
if (m_dict.TryGetValue (m_input[buf_begin], out found)) if (m_dict.TryGetValue (m_input[buf_begin], out found))
{ {
foreach (var win_pos in found) foreach (var win_pos in found.Reverse())
{ {
var match_end = Mismatch (buf_begin+1, buf_end, win_pos+1); var match_end = Mismatch (buf_begin+1, buf_end, win_pos+1);
int weight = match_end - win_pos; int weight = match_end - win_pos;
int distance = buf_begin - win_pos; int distance = buf_begin - win_pos;
if (weight > pos.Length || (weight == pos.Length && distance < pos.Offset)) if (weight > pos.Length)
{ {
pos.Offset = (ushort)distance; pos.Offset = (ushort)distance;
pos.Length = (ushort)weight; pos.Length = (ushort)weight;
@ -402,7 +402,7 @@ namespace GameRes.Formats.DRS
if (1 == pos.Offset) if (1 == pos.Offset)
{ {
uint pixel = m_input[buf]; uint pixel = m_input[buf];
if (buf+1 == m_input.Length || -1 == Array.FindIndex (m_input, buf+1, x => x != pixel)) if (1 == pos.Length || -1 == Array.FindIndex (m_input, buf+1, pos.Length-1, x => x != pixel))
{ {
m_out.Write ((byte)0); m_out.Write ((byte)0);
m_out.Write ((byte)pos.Length); m_out.Write ((byte)pos.Length);