Emberveil sourcegame/2006Scape Client/src/main/java/OnDemandFetcher.java
// Decompiled by Jad v1.5.8f. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3)
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.util.zip.CRC32;
import java.util.zip.GZIPInputStream;
public final class OnDemandFetcher extends OnDemandFetcherParent implements Runnable {
/* private boolean crcMatches(int i, int j, byte abyte0[])
{
//if(abyte0 == null || abyte0.length < 2)
//return false;
int k = abyte0.length - 2;
int l = ((abyte0[k] & 0xff) << 8) + (abyte0[k + 1] & 0xff);
crc32.reset();
crc32.update(abyte0, 0, k);
int i1 = (int) crc32.getValue();
//return l == i && i1 == j;
return true;
}*/
// XXX: Fixed and refactored the crcMatches method. - Ryley
private boolean crcMatches(int type, int id, byte[] data) {
if (data == null || data.length < 2) {
return false;
}
int length = data.length - 2;
int hash = ((data[length] & 0xFF) << 8) + (data[length + 1] & 0xFF);
crc32.reset();
crc32.update(data, 0, length);
int crc = (int) crc32.getValue();
return hash == type && crc == id;
}
private void readData() {
try {
int available = inputStream.available();
if (expectedSize == 0 && available >= 6) {
waiting = true;
for (int k = 0; k < 6; k += inputStream.read(ioBuffer, k, 6 - k)) {
;
}
int l = ioBuffer[0] & 0xff;
int j1 = ((ioBuffer[1] & 0xff) << 8) + (ioBuffer[2] & 0xff);
int l1 = ((ioBuffer[3] & 0xff) << 8) + (ioBuffer[4] & 0xff);
int i2 = ioBuffer[5] & 0xff;
current = null;
for (OnDemandData onDemandData = (OnDemandData) requested.reverseGetFirst(); onDemandData != null; onDemandData = (OnDemandData) requested.reverseGetNext()) {
if (onDemandData.dataType == l && onDemandData.ID == j1) {
current = onDemandData;
}
if (current != null) {
onDemandData.loopCycle = 0;
}
}
if (current != null) {
loopCycle = 0;
if (l1 == 0) {
Signlink.reporterror("Rej: " + l + "," + j1);
current.buffer = null;
if (current.incomplete) {
synchronized (aClass19_1358) {
aClass19_1358.insertHead(current);
}
} else {
current.unlink();
}
current = null;
} else {
if (current.buffer == null && i2 == 0) {
current.buffer = new byte[l1];
}
if (current.buffer == null && i2 != 0) {
throw new IOException("missing start of file");
}
}
}
completedSize = i2 * 500;
expectedSize = 500;
if (expectedSize > l1 - i2 * 500) {
expectedSize = l1 - i2 * 500;
}
}
if (expectedSize > 0 && available >= expectedSize) {
waiting = true;
byte abyte0[] = ioBuffer;
int i1 = 0;
if (current != null) {
abyte0 = current.buffer;
i1 = completedSize;
}
for (int k1 = 0; k1 < expectedSize; k1 += inputStream.read(abyte0, k1 + i1, expectedSize - k1)) {
;
}
if (expectedSize + completedSize >= abyte0.length && current != null) {
if (clientInstance.decompressors[0] != null) {
clientInstance.decompressors[current.dataType + 1].method234(abyte0.length, abyte0, current.ID);
}
if (!current.incomplete && current.dataType == 3) {
current.incomplete = true;
current.dataType = 93;
}
if (current.incomplete) {
synchronized (aClass19_1358) {
aClass19_1358.insertHead(current);
}
} else {
current.unlink();
}
}
expectedSize = 0;
}
} catch (IOException ioexception) {
try {
socket.close();
} catch (Exception _ex) {
}
socket = null;
inputStream = null;
outputStream = null;
expectedSize = 0;
}
}
public void start(StreamLoader streamLoader, Game client1) {
String as[] = {"model_version", "anim_version", "midi_version", "map_version"};
for (int i = 0; i < 4; i++) {
byte abyte0[] = streamLoader.getDataForName(as[i]);
int j = abyte0.length / 2;
Stream stream = new Stream(abyte0);
versions[i] = new int[j];
fileStatus[i] = new byte[j];
for (int l = 0; l < j; l++) {
versions[i][l] = stream.readUnsignedWord();
}
}
String as1[] = {"model_crc", "anim_crc", "midi_crc", "map_crc"};
for (int k = 0; k < 4; k++) {
byte abyte1[] = streamLoader.getDataForName(as1[k]);
int i1 = abyte1.length / 4;
Stream stream_1 = new Stream(abyte1);
crcs[k] = new int[i1];
for (int l1 = 0; l1 < i1; l1++) {
crcs[k][l1] = stream_1.readDWord();
}
}
byte abyte2[] = streamLoader.getDataForName("model_index");
int j1 = versions[0].length;
modelIndices = new byte[j1];
for (int k1 = 0; k1 < j1; k1++) {
if (k1 < abyte2.length) {
modelIndices[k1] = abyte2[k1];
} else {
modelIndices[k1] = 0;
}
}
abyte2 = streamLoader.getDataForName("map_index");
Stream stream2 = new Stream(abyte2);
j1 = abyte2.length / 7;
mapIndices1 = new int[j1];
mapIndices2 = new int[j1];
mapIndices3 = new int[j1];
mapIndices4 = new int[j1];
for (int i2 = 0; i2 < j1; i2++) {
mapIndices1[i2] = stream2.readUnsignedWord();
mapIndices2[i2] = stream2.readUnsignedWord();
mapIndices3[i2] = stream2.readUnsignedWord();
mapIndices4[i2] = stream2.readUnsignedByte();
}
abyte2 = streamLoader.getDataForName("anim_index");
stream2 = new Stream(abyte2);
j1 = abyte2.length / 2;
anIntArray1360 = new int[j1];
for (int j2 = 0; j2 < j1; j2++) {
anIntArray1360[j2] = stream2.readUnsignedWord();
}
abyte2 = streamLoader.getDataForName("midi_index");
stream2 = new Stream(abyte2);
j1 = abyte2.length;
anIntArray1348 = new int[j1];
for (int k2 = 0; k2 < j1; k2++) {
anIntArray1348[k2] = stream2.readUnsignedByte();
}
clientInstance = client1;
running = true;
clientInstance.startRunnable(this, 2);
}
public int getNodeCount() {
synchronized (nodeSubList) {
return nodeSubList.getNodeCount();
}
}
public void disable() {
running = false;
}
public void method554(boolean flag) {
int j = mapIndices1.length;
for (int k = 0; k < j; k++) {
if (flag || mapIndices4[k] != 0) {
method563((byte) 2, 3, mapIndices3[k]);
method563((byte) 2, 3, mapIndices2[k]);
}
}
}
public int getVersionCount(int j) {
return versions[j].length;
}
private void closeRequest(OnDemandData onDemandData) {
try {
if (socket == null) {
long l = System.currentTimeMillis();
if (l - openSocketTime < 4000L) {
return;
}
openSocketTime = l;
socket = clientInstance.openSocket((ClientSettings.SINGLE_ONDEMAND || ClientSettings.SERVER_WORLD == 1) ? 43594 : 43596 + ClientSettings.SERVER_WORLD + Game.portOff);
inputStream = socket.getInputStream();
outputStream = socket.getOutputStream();
outputStream.write(15);
for (int j = 0; j < 8; j++) {
inputStream.read();
}
loopCycle = 0;
}
ioBuffer[0] = (byte) onDemandData.dataType;
ioBuffer[1] = (byte) (onDemandData.ID >> 8);
ioBuffer[2] = (byte) onDemandData.ID;
if (onDemandData.incomplete) {
ioBuffer[3] = 2;
} else if (!clientInstance.loggedIn) {
ioBuffer[3] = 1;
} else {
ioBuffer[3] = 0;
}
outputStream.write(ioBuffer, 0, 4);
writeLoopCycle = 0;
anInt1349 = -10000;
return;
} catch (IOException ioexception) {
}
try {
socket.close();
} catch (Exception _ex) {
}
socket = null;
inputStream = null;
outputStream = null;
expectedSize = 0;
anInt1349++;
}
public int getAnimCount() {
return anIntArray1360.length;
}
public void method558(int i, int j) {
if (i < 0 || i > versions.length || j < 0 || j > versions[i].length) {
return;
}
if (versions[i][j] == 0) {
return;
}
synchronized (nodeSubList) {
for (OnDemandData onDemandData = (OnDemandData) nodeSubList.reverseGetFirst(); onDemandData != null; onDemandData = (OnDemandData) nodeSubList.reverseGetNext()) {
if (onDemandData.dataType == i && onDemandData.ID == j) {
return;
}
}
OnDemandData onDemandData_1 = new OnDemandData();
onDemandData_1.dataType = i;
onDemandData_1.ID = j;
onDemandData_1.incomplete = true;
synchronized (aClass19_1370) {
aClass19_1370.insertHead(onDemandData_1);
}
nodeSubList.insertHead(onDemandData_1);
}
}
public int getModelIndex(int i) {
return modelIndices[i] & 0xff;
}
@Override
public void run() {
try {
while (running) {
onDemandCycle++;
int i = 20;
if (anInt1332 == 0 && clientInstance.decompressors[0] != null) {
i = 50;
}
try {
Thread.sleep(i);
} catch (Exception _ex) {
}
waiting = true;
for (int j = 0; j < 100; j++) {
if (!waiting) {
break;
}
waiting = false;
checkReceived();
handleFailed();
if (uncompletedCount == 0 && j >= 5) {
break;
}
method568();
if (inputStream != null) {
readData();
}
}
boolean flag = false;
for (OnDemandData onDemandData = (OnDemandData) requested.reverseGetFirst(); onDemandData != null; onDemandData = (OnDemandData) requested.reverseGetNext()) {
if (onDemandData.incomplete) {
flag = true;
onDemandData.loopCycle++;
if (onDemandData.loopCycle > 50) {
onDemandData.loopCycle = 0;
closeRequest(onDemandData);
}
}
}
if (!flag) {
for (OnDemandData onDemandData_1 = (OnDemandData) requested.reverseGetFirst(); onDemandData_1 != null; onDemandData_1 = (OnDemandData) requested.reverseGetNext()) {
flag = true;
onDemandData_1.loopCycle++;
if (onDemandData_1.loopCycle > 50) {
onDemandData_1.loopCycle = 0;
closeRequest(onDemandData_1);
}
}
}
if (flag) {
loopCycle++;
if (loopCycle > 750) {
try {
socket.close();
} catch (Exception _ex) {
}
socket = null;
inputStream = null;
outputStream = null;
expectedSize = 0;
}
} else {
loopCycle = 0;
statusString = "";
}
if (clientInstance.loggedIn && socket != null && outputStream != null && (anInt1332 > 0 || clientInstance.decompressors[0] == null)) {
writeLoopCycle++;
if (writeLoopCycle > 500) {
writeLoopCycle = 0;
ioBuffer[0] = 0;
ioBuffer[1] = 0;
ioBuffer[2] = 0;
ioBuffer[3] = 10;
try {
outputStream.write(ioBuffer, 0, 4);
} catch (IOException _ex) {
loopCycle = 5000;
}
}
}
}
} catch (Exception exception) {
Signlink.reporterror("od_ex " + exception.getMessage());
}
}
public void method560(int i, int j) {
if (clientInstance.decompressors[0] == null) {
return;
}
if (versions[j][i] == 0) {
return;
}
if (fileStatus[j][i] == 0) {
return;
}
if (anInt1332 == 0) {
return;
}
OnDemandData onDemandData = new OnDemandData();
onDemandData.dataType = j;
onDemandData.ID = i;
onDemandData.incomplete = false;
synchronized (aClass19_1344) {
aClass19_1344.insertHead(onDemandData);
}
}
public OnDemandData getNextNode() {
OnDemandData onDemandData;
synchronized (aClass19_1358) {
onDemandData = (OnDemandData) aClass19_1358.popHead();
}
if (onDemandData == null) {
return null;
}
synchronized (nodeSubList) {
onDemandData.unlinkSub();
}
if (onDemandData.buffer == null) {
return onDemandData;
}
int i = 0;
try {
GZIPInputStream gzipinputstream = new GZIPInputStream(new ByteArrayInputStream(onDemandData.buffer));
do {
if (i == gzipInputBuffer.length) {
throw new RuntimeException("buffer overflow!");
}
int k = gzipinputstream.read(gzipInputBuffer, i, gzipInputBuffer.length - i);
if (k == -1) {
break;
}
i += k;
} while (true);
} catch (IOException _ex) {
throw new RuntimeException("error unzipping");
}
onDemandData.buffer = new byte[i];
System.arraycopy(gzipInputBuffer, 0, onDemandData.buffer, 0, i);
return onDemandData;
}
public int method562(int i, int k, int l) {
int i1 = (l << 8) + k;
for (int j1 = 0; j1 < mapIndices1.length; j1++) {
if (mapIndices1[j1] == i1) {
if (i == 0) {
return mapIndices2[j1];
} else {
return mapIndices3[j1];
}
}
}
return -1;
}
@Override
public void method548(int i) {
method558(0, i);
}
public void method563(byte byte0, int i, int j) {
if (clientInstance.decompressors[0] == null) {
return;
}
if (versions[i][j] == 0) {
return;
}
byte abyte0[] = clientInstance.decompressors[i + 1].decompress(j);
if (crcMatches(versions[i][j], crcs[i][j], abyte0)) {
return;
}
fileStatus[i][j] = byte0;
if (byte0 > anInt1332) {
anInt1332 = byte0;
}
totalFiles++;
}
public boolean method564(int i) {
for (int k = 0; k < mapIndices1.length; k++) {
if (mapIndices3[k] == i) {
return true;
}
}
return false;
}
private void handleFailed() {
uncompletedCount = 0;
completedCount = 0;
for (OnDemandData onDemandData = (OnDemandData) requested.reverseGetFirst(); onDemandData != null; onDemandData = (OnDemandData) requested.reverseGetNext()) {
if (onDemandData.incomplete) {
uncompletedCount++;
} else {
completedCount++;
}
}
while (uncompletedCount < 10) {
OnDemandData onDemandData_1 = (OnDemandData) aClass19_1368.popHead();
if (onDemandData_1 == null) {
break;
}
if (fileStatus[onDemandData_1.dataType][onDemandData_1.ID] != 0) {
filesLoaded++;
}
fileStatus[onDemandData_1.dataType][onDemandData_1.ID] = 0;
requested.insertHead(onDemandData_1);
uncompletedCount++;
closeRequest(onDemandData_1);
waiting = true;
}
}
public void method566() {
synchronized (aClass19_1344) {
aClass19_1344.removeAll();
}
}
private void checkReceived() {
OnDemandData onDemandData;
synchronized (aClass19_1370) {
onDemandData = (OnDemandData) aClass19_1370.popHead();
}
while (onDemandData != null) {
waiting = true;
byte abyte0[] = null;
if (clientInstance.decompressors[0] != null) {
abyte0 = clientInstance.decompressors[onDemandData.dataType + 1].decompress(onDemandData.ID);
}
if (!crcMatches(versions[onDemandData.dataType][onDemandData.ID], crcs[onDemandData.dataType][onDemandData.ID], abyte0)) {
abyte0 = null;
}
synchronized (aClass19_1370) {
if (abyte0 == null) {
aClass19_1368.insertHead(onDemandData);
} else {
onDemandData.buffer = abyte0;
synchronized (aClass19_1358) {
aClass19_1358.insertHead(onDemandData);
}
}
onDemandData = (OnDemandData) aClass19_1370.popHead();
}
}
}
private void method568() {
while (uncompletedCount == 0 && completedCount < 10) {
if (anInt1332 == 0) {
break;
}
OnDemandData onDemandData;
synchronized (aClass19_1344) {
onDemandData = (OnDemandData) aClass19_1344.popHead();
}
while (onDemandData != null) {
if (fileStatus[onDemandData.dataType][onDemandData.ID] != 0) {
fileStatus[onDemandData.dataType][onDemandData.ID] = 0;
requested.insertHead(onDemandData);
closeRequest(onDemandData);
waiting = true;
if (filesLoaded < totalFiles) {
filesLoaded++;
}
statusString = "Loading extra files - " + filesLoaded * 100 / totalFiles + "%";
completedCount++;
if (completedCount == 10) {
return;
}
}
synchronized (aClass19_1344) {
onDemandData = (OnDemandData) aClass19_1344.popHead();
}
}
for (int j = 0; j < 4; j++) {
byte abyte0[] = fileStatus[j];
int k = abyte0.length;
for (int l = 0; l < k; l++) {
if (abyte0[l] == anInt1332) {
abyte0[l] = 0;
OnDemandData onDemandData_1 = new OnDemandData();
onDemandData_1.dataType = j;
onDemandData_1.ID = l;
onDemandData_1.incomplete = false;
requested.insertHead(onDemandData_1);
closeRequest(onDemandData_1);
waiting = true;
if (filesLoaded < totalFiles) {
filesLoaded++;
}
statusString = "Loading extra files - " + filesLoaded * 100 / totalFiles + "%";
completedCount++;
if (completedCount == 10) {
return;
}
}
}
}
anInt1332--;
}
}
public boolean method569(int i) {
return anIntArray1348[i] == 1;
}
public OnDemandFetcher() {
requested = new NodeList();
statusString = "";
crc32 = new CRC32();
ioBuffer = new byte[500];
fileStatus = new byte[4][];
aClass19_1344 = new NodeList();
running = true;
waiting = false;
aClass19_1358 = new NodeList();
gzipInputBuffer = new byte[65000];
nodeSubList = new NodeSubList();
versions = new int[4][];
crcs = new int[4][];
aClass19_1368 = new NodeList();
aClass19_1370 = new NodeList();
}
private int totalFiles;
private final NodeList requested;
private int anInt1332;
public String statusString;
private int writeLoopCycle;
private long openSocketTime;
private int[] mapIndices3;
private final CRC32 crc32;
private final byte[] ioBuffer;
public int onDemandCycle;
private final byte[][] fileStatus;
private Game clientInstance;
private final NodeList aClass19_1344;
private int completedSize;
private int expectedSize;
int[] anIntArray1348;
public int anInt1349;
private int[] mapIndices2;
private int filesLoaded;
private boolean running;
private OutputStream outputStream;
private int[] mapIndices4;
private boolean waiting;
private final NodeList aClass19_1358;
private final byte[] gzipInputBuffer;
private int[] anIntArray1360;
private final NodeSubList nodeSubList;
private InputStream inputStream;
private Socket socket;
public final int[][] versions;
public final int[][] crcs;
private int uncompletedCount;
private int completedCount;
private final NodeList aClass19_1368;
private OnDemandData current;
private final NodeList aClass19_1370;
private int[] mapIndices1;
private byte[] modelIndices;
private int loopCycle;
}