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Rename WW-created compression formats.

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This commit is contained in:
Paul Chote
2016-01-04 20:04:13 +00:00
parent 7c31f6e18e
commit 33f3e5ad47
9 changed files with 31 additions and 28 deletions
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5
OpenRA.Game/FileFormats/Format80.cs → OpenRA.Game/FileFormats/LCWCompression.cs
View File

@@ -41,7 +41,8 @@ namespace OpenRA.FileFormats
public int Remaining() { return src.Length - offset; }
}
public static class Format80
// Lempel - Castle - Welch algorithm (aka Format80)
public static class LCWCompression
{
static void ReplicatePrevious(byte[] dest, int destIndex, int srcIndex, int count)
{
@@ -156,7 +157,7 @@ namespace OpenRA.FileFormats
}
}
// Quick and dirty Format80 encoder version 2
// Quick and dirty LCW encoder version 2
// Uses raw copy and RLE compression
public static byte[] Encode(byte[] src)
{

3
OpenRA.Game/FileFormats/Format2.cs → OpenRA.Game/FileFormats/RLEZerosCompression.cs
View File

@@ -10,7 +10,8 @@
namespace OpenRA.FileFormats
{
public static class Format2
// Run length encoded sequences of zeros (aka Format2)
public static class RLEZerosCompression
{
public static void DecodeInto(byte[] src, byte[] dest, int destIndex)
{

10
OpenRA.Game/FileFormats/VqaReader.cs
View File

@@ -329,7 +329,7 @@ namespace OpenRA.FileFormats
Array.Clear(cbf, 0, cbf.Length);
Array.Clear(cbfBuffer, 0, cbfBuffer.Length);
var decodeCount = 0;
decodeCount = Format80.DecodeInto(fileBuffer, cbfBuffer, decodeMode ? 1 : 0, decodeMode);
decodeCount = LCWCompression.DecodeInto(fileBuffer, cbfBuffer, decodeMode ? 1 : 0, decodeMode);
if ((videoFlags & 0x10) == 16)
{
var p = 0;
@@ -365,7 +365,7 @@ namespace OpenRA.FileFormats
if (type == "CBP0")
cbf = (byte[])cbp.Clone();
else
Format80.DecodeInto(cbp, cbf);
LCWCompression.DecodeInto(cbp, cbf);
chunkBufferOffset = currentChunkBuffer = 0;
}
@@ -390,7 +390,7 @@ namespace OpenRA.FileFormats
// Frame data
case "VPTZ":
Format80.DecodeInto(s.ReadBytes(subchunkLength), origData);
LCWCompression.DecodeInto(s.ReadBytes(subchunkLength), origData);
// This is the last subchunk
return;
@@ -398,9 +398,9 @@ namespace OpenRA.FileFormats
Array.Clear(origData, 0, origData.Length);
s.ReadBytes(fileBuffer, 0, subchunkLength);
if (fileBuffer[0] != 0)
vtprSize = Format80.DecodeInto(fileBuffer, origData);
vtprSize = LCWCompression.DecodeInto(fileBuffer, origData);
else
Format80.DecodeInto(fileBuffer, origData, 1, true);
LCWCompression.DecodeInto(fileBuffer, origData, 1, true);
return;
case "VPTR":
Array.Clear(origData, 0, origData.Length);

3
OpenRA.Game/FileFormats/Format40.cs → OpenRA.Game/FileFormats/XORDeltaCompression.cs
View File

@@ -10,7 +10,8 @@
namespace OpenRA.FileFormats
{
public static class Format40
// Data that is to be XORed against another set of data (aka Format40)
public static class XORDeltaCompression
{
public static int DecodeInto(byte[] src, byte[] dest, int srcOffset)
{