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datafile id should have been a parameter

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This commit is contained in:
Adam
2015-10-13 10:04:57 -04:00
parent 2e118bb391
commit a557663044
3 changed files with 13 additions and 15 deletions
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14
src/main/java/net/runelite/cache/fs/DataFile.java vendored
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@@ -16,14 +16,12 @@ public class DataFile implements Closeable
private static final int SECTOR_SIZE = 520;
private final Store store;
private final int datafileId;
private final RandomAccessFile dat;
private final byte[] readCachedBuffer = new byte[SECTOR_SIZE];
public DataFile(Store store, int id, File file) throws FileNotFoundException
public DataFile(Store store, File file) throws FileNotFoundException
{
this.store = store;
this.datafileId = id;
dat = new RandomAccessFile(file, "rw");
}
@@ -41,7 +39,7 @@ public class DataFile implements Closeable
* @return
* @throws IOException
*/
public synchronized ByteBuffer read(int archiveId, int sector, int size) throws IOException
public synchronized ByteBuffer read(int indexId, int archiveId, int sector, int size) throws IOException
{
if (sector <= 0L || dat.length() / 520L < (long) sector)
{
@@ -108,7 +106,7 @@ public class DataFile implements Closeable
currentIndex = this.readCachedBuffer[7] & 255;
}
if (archiveId != currentArchive || currentPart != part || this.datafileId != currentIndex)
if (archiveId != currentArchive || currentPart != part || indexId != currentIndex)
{
return null;
}
@@ -134,7 +132,7 @@ public class DataFile implements Closeable
* @return the sector the data starts at
* @throws IOException
*/
public synchronized int write(int archiveId, ByteBuffer data) throws IOException
public synchronized int write(int indexId, int archiveId, ByteBuffer data) throws IOException
{
int sector;
int startSector;
@@ -182,7 +180,7 @@ public class DataFile implements Closeable
this.readCachedBuffer[6] = (byte) (nextSector >> 16);
this.readCachedBuffer[7] = (byte) (nextSector >> 8);
this.readCachedBuffer[8] = (byte) nextSector;
this.readCachedBuffer[9] = (byte) this.datafileId;
this.readCachedBuffer[9] = (byte) indexId;
dat.seek(SECTOR_SIZE * sector);
dat.write(this.readCachedBuffer, 0, 10);
@@ -206,7 +204,7 @@ public class DataFile implements Closeable
this.readCachedBuffer[4] = (byte) (nextSector >> 16);
this.readCachedBuffer[5] = (byte) (nextSector >> 8);
this.readCachedBuffer[6] = (byte) nextSector;
this.readCachedBuffer[7] = (byte) this.datafileId;
this.readCachedBuffer[7] = (byte) indexId;
dat.seek(SECTOR_SIZE * sector);
dat.write(this.readCachedBuffer, 0, 8);

2
src/main/java/net/runelite/cache/fs/Store.java vendored
View File

@@ -18,7 +18,7 @@ public class Store implements Closeable
public Store(File folder) throws IOException
{
data = new DataFile(this, -1/*wtfisthis*/, new File(folder, MAIN_FILE_CACHE_DAT));
data = new DataFile(this, new File(folder, MAIN_FILE_CACHE_DAT));
index255 = new IndexFile(this, 255, new File(folder, MAIN_FILE_CACHE_IDX + "255"));
for (int i = 0; i < index255.getIndexCount(); ++i)

12
src/test/java/net/runelite/cache/fs/DataFileTest.java vendored
View File

@@ -18,9 +18,9 @@ public class DataFileTest
{
File file = folder.newFile();
Store store = new Store(folder.getRoot());
DataFile df = new DataFile(store, 42, file);
int sector = df.write(3, ByteBuffer.wrap("test".getBytes()));
ByteBuffer buf = df.read(3, sector, 4);
DataFile df = new DataFile(store, file);
int sector = df.write(42, 3, ByteBuffer.wrap("test".getBytes()));
ByteBuffer buf = df.read(42, 3, sector, 4);
String str = new String(buf.array());
Assert.assertEquals("test", str);
file.delete();
@@ -34,9 +34,9 @@ public class DataFileTest
File file = folder.newFile();
Store store = new Store(folder.getRoot());
DataFile df = new DataFile(store, 42, file);
int sector = df.write(0x1FFFF, ByteBuffer.wrap(b));
ByteBuffer buf = df.read(0x1FFFF, sector, b.length);
DataFile df = new DataFile(store, file);
int sector = df.write(42, 0x1FFFF, ByteBuffer.wrap(b));
ByteBuffer buf = df.read(42, 0x1FFFF, sector, b.length);
Assert.assertArrayEquals(b, buf.array());
file.delete();
}