Vanilla exporting progress (NOT DONE)

sp-server/src/main/java/net/lax1dude/eaglercraft/sp/CRC32.java

@@ -0,0 +1,41 @@
+package net.lax1dude.eaglercraft.sp;
+
+import org.teavm.classlib.java.util.zip.TChecksum;
+
+import java.util.zip.Checksum;
+
+public class CRC32 implements Checksum {
+    private com.jcraft.jzlib.CRC32 impl = new com.jcraft.jzlib.CRC32();
+    long tbytes;
+
+    @Override
+    public long getValue() {
+        return impl.getValue();
+    }
+
+    @Override
+    public void reset() {
+        impl.reset();
+        tbytes = 0;
+    }
+
+    @Override
+    public void update(int val) {
+        impl.update(new byte[] { (byte) val }, 0, 1);
+    }
+
+    public void update(byte[] buf) {
+        update(buf, 0, buf.length);
+    }
+
+    @Override
+    public void update(byte[] buf, int off, int nbytes) {
+        // avoid int overflow, check null buf
+        if (off <= buf.length && nbytes >= 0 && off >= 0 && buf.length - off >= nbytes) {
+            impl.update(buf, off, nbytes);
+            tbytes += nbytes;
+        } else {
+            throw new ArrayIndexOutOfBoundsException();
+        }
+    }
+}

sp-server/src/main/java/net/lax1dude/eaglercraft/sp/IntegratedServer.java

@@ -11,7 +11,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
-import java.util.zip.ZipOutputStream;
 
 import net.minecraft.src.ChunkCoordIntPair;
 import org.teavm.jso.JSBody;
@@ -291,7 +290,8 @@ public class IntegratedServer {
 								try {
 									final int[] bytesWritten = new int[1];
 									final int[] lastUpdate = new int[1];
-									String pfx = "worlds/" + pkt.worldName + "/";
+									String shortpfx = pkt.worldName + "/";
+									String pfx = "worlds/" + shortpfx;
 									ByteArrayOutputStream baos = new ByteArrayOutputStream();
 									ZipOutputStream c = new ZipOutputStream(baos);
 									c.setComment("contains backup of world '" + pkt.worldName + "'");
@@ -300,19 +300,18 @@ public class IntegratedServer {
 									Map<ChunkCoordIntPair, byte[]> regionsn1 = new HashMap<>();
 									SYS.VFS.iterateFiles(pfx, false, (i) -> {
 										String currPath = i.path.substring(pfx.length());
-										System.out.println(currPath); // 12yee
 										try {
 											byte[] b = i.getAllBytes();
-											if (currPath.startsWith("region/")) {
+											if (currPath.startsWith("level0/")) {
-												regions.put(VFSChunkLoader.getChunkCoords(currPath.substring(7, -4)), b);
+												regions.put(VFSChunkLoader.getChunkCoords(currPath.substring(7, currPath.length() - 4)), b);
-											} else if (currPath.startsWith("DIM1/region/")) {
+											} else if (currPath.startsWith("level1/")) {
-												regions1.put(VFSChunkLoader.getChunkCoords(currPath.substring(12, -4)), b);
+												regions1.put(VFSChunkLoader.getChunkCoords(currPath.substring(7, currPath.length() - 4)), b);
-											} else if (currPath.startsWith("DIM-1/region/")) {
+											} else if (currPath.startsWith("level-1/")) {
-												regionsn1.put(VFSChunkLoader.getChunkCoords(currPath.substring(13, -4)), b);
+												regionsn1.put(VFSChunkLoader.getChunkCoords(currPath.substring(8, currPath.length() - 4)), b);
 											} else {
-												ZipEntry zipEntry = new ZipEntry(currPath);
+												ZipEntry zipEntry = new ZipEntry(shortpfx + currPath);
 												c.putNextEntry(zipEntry);
-												c.write(b); // 12yee
+												c.write(b);
 												c.closeEntry();
 												bytesWritten[0] += b.length;
 												if (bytesWritten[0] - lastUpdate[0] > 10000) {
@@ -328,9 +327,9 @@ public class IntegratedServer {
 									Map<String, byte[]> regionsOut = MCAConverter.convertToMCA(regions);
 									for (String path : regionsOut.keySet()) {
 										byte[] b = regionsOut.get(path);
-										ZipEntry zipEntry = new ZipEntry("region/" + path + ".dat");
+										ZipEntry zipEntry = new ZipEntry(shortpfx + "region/" + path + ".mca");
 										c.putNextEntry(zipEntry);
-										c.write(b); // 12yee
+										c.write(b);
 										c.closeEntry();
 										bytesWritten[0] += b.length;
 										if (bytesWritten[0] - lastUpdate[0] > 10000) {
@@ -341,9 +340,9 @@ public class IntegratedServer {
 									Map<String, byte[]> regions1Out = MCAConverter.convertToMCA(regions1);
 									for (String path : regions1Out.keySet()) {
 										byte[] b = regions1Out.get(path);
-										ZipEntry zipEntry = new ZipEntry("DIM1/region/" + path + ".dat");
+										ZipEntry zipEntry = new ZipEntry(shortpfx + "DIM1/region/" + path + ".mca");
 										c.putNextEntry(zipEntry);
-										c.write(b); // 12yee
+										c.write(b);
 										c.closeEntry();
 										bytesWritten[0] += b.length;
 										if (bytesWritten[0] - lastUpdate[0] > 10000) {
@@ -354,7 +353,7 @@ public class IntegratedServer {
 									Map<String, byte[]> regionsn1Out = MCAConverter.convertToMCA(regionsn1);
 									for (String path : regionsn1Out.keySet()) {
 										byte[] b = regionsn1Out.get(path);
-										ZipEntry zipEntry = new ZipEntry("DIM-1/region/" + path + ".dat");
+										ZipEntry zipEntry = new ZipEntry(shortpfx + "DIM-1/region/" + path + ".mca");
 										c.putNextEntry(zipEntry);
 										c.write(b); // 12yee
 										c.closeEntry();

sp-server/src/main/java/net/lax1dude/eaglercraft/sp/MCAConverter.java

@@ -5,12 +5,13 @@ import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+
+import com.jcraft.jzlib.DeflaterOutputStream;
 import com.jcraft.jzlib.GZIPOutputStream;
 import net.minecraft.src.ChunkCoordIntPair;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.zip.DeflaterOutputStream;
 import java.util.zip.InflaterInputStream;
 
 public class MCAConverter {
@@ -70,6 +71,8 @@ public class MCAConverter {
     public static Map<String, byte[]> convertToMCA(Map<ChunkCoordIntPair, byte[]> regions) {
         Map<String, byte[]> regionsOut = new HashMap<>();
 
+        if (regions.size() == 0) return regionsOut;
+
         try {
             int timestamp = (int) System.currentTimeMillis();
 
@@ -85,8 +88,8 @@ public class MCAConverter {
                 if (minZ > coords.chunkZPos) minZ = coords.chunkZPos;
             }
 
-            for (int x = minX - (minX % 32); x <= maxX + (maxX % 32); x += 32) {
+            for (int x = minX + (minX % 32); x <= maxX + (maxX % 32); x += 32) {
-                for (int z = minZ - (minZ % 32); z <= maxZ + (maxZ % 32); z += 32) {
+                for (int z = minZ + (minZ % 32); z <= maxZ + (maxZ % 32); z += 32) {
                     ByteArrayOutputStream offsets = new ByteArrayOutputStream();
                     DataOutputStream offsetsDos = new DataOutputStream(offsets);
                     ByteArrayOutputStream timestamps = new ByteArrayOutputStream();

sp-server/src/main/java/net/lax1dude/eaglercraft/sp/ZipOutputStream.java

@@ -0,0 +1,330 @@
+package net.lax1dude.eaglercraft.sp;
+
+import com.jcraft.jzlib.Deflater;
+import com.jcraft.jzlib.DeflaterOutputStream;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
+
+import static java.util.zip.Deflater.BEST_COMPRESSION;
+import static java.util.zip.Deflater.DEFAULT_COMPRESSION;
+
+public class ZipOutputStream extends DeflaterOutputStream {
+    long LOCSIG = 0x4034b50;
+    long EXTSIG = 0x8074b50;
+    long CENSIG = 0x2014b50;
+    long ENDSIG = 0x6054b50;
+
+    int LOCHDR = 30;
+    int EXTHDR = 16;
+
+    public static final int DEFLATED = 8;
+    public static final int STORED = 0;
+
+    static final int ZIPDataDescriptorFlag = 8;
+    static final int ZIPLocalHeaderVersionNeeded = 20;
+    private String comment;
+    private final List<String> entries = new ArrayList<>();
+    private int compressMethod = DEFLATED;
+    private int compressLevel = -1;
+    private ByteArrayOutputStream cDir = new ByteArrayOutputStream();
+    private ZipEntry currentEntry;
+    private final CRC32 crc = new CRC32();
+    private int offset;
+    private int curOffset;
+    private int nameLength;
+    private byte[] nameBytes;
+
+    public ZipOutputStream(OutputStream p1) throws IOException {
+        super(p1, new Deflater(-1, true));
+    }
+
+    @Override
+    public void close() throws IOException {
+        if (out != null) {
+            finish();
+            out.close();
+            out = null;
+        }
+    }
+
+    public void closeEntry() throws IOException {
+        if (cDir == null) {
+            throw new IOException();
+        }
+        if (currentEntry == null) {
+            return;
+        }
+        if (currentEntry.getMethod() == DEFLATED) {
+            super.finish();
+        }
+
+        // Verify values for STORED types
+        if (currentEntry.getMethod() == STORED) {
+            if (crc.getValue() != currentEntry.getCrc()) {
+                throw new ZipException();
+            }
+            if (currentEntry.getSize() != crc.tbytes) {
+                throw new ZipException();
+            }
+        }
+        curOffset = LOCHDR;
+
+        // Write the DataDescriptor
+        if (currentEntry.getMethod() != STORED) {
+            curOffset += EXTHDR;
+            writeLong(out, EXTSIG);
+            currentEntry.setCrc(crc.getValue());
+            writeLong(out, currentEntry.getCrc());
+            currentEntry.setCompressedSize(deflater.getTotalOut());
+            writeLong(out, currentEntry.getCompressedSize());
+            currentEntry.setSize(deflater.getTotalIn());
+            writeLong(out, currentEntry.getSize());
+        }
+        // Update the CentralDirectory
+        writeLong(cDir, CENSIG);
+        writeShort(cDir, ZIPLocalHeaderVersionNeeded); // Version created
+        writeShort(cDir, ZIPLocalHeaderVersionNeeded); // Version to extract
+        writeShort(cDir, currentEntry.getMethod() == STORED ? 0 : ZIPDataDescriptorFlag);
+        writeShort(cDir, currentEntry.getMethod());
+        writeShort(cDir, (int) currentEntry.getTime());
+        writeShort(cDir, 0);
+        writeLong(cDir, crc.getValue());
+        if (currentEntry.getMethod() == DEFLATED) {
+            curOffset += writeLong(cDir, deflater.getTotalOut());
+            writeLong(cDir, deflater.getTotalIn());
+        } else {
+            curOffset += writeLong(cDir, crc.tbytes);
+            writeLong(cDir, crc.tbytes);
+        }
+        curOffset += writeShort(cDir, nameLength);
+        if (currentEntry.getExtra() != null) {
+            curOffset += writeShort(cDir, currentEntry.getExtra().length);
+        } else {
+            writeShort(cDir, 0);
+        }
+        String c = currentEntry.getComment();
+        writeShort(cDir, c != null ? c.length() : 0);
+        writeShort(cDir, 0); // Disk Start
+        writeShort(cDir, 0); // Internal File Attributes
+        writeLong(cDir, 0); // External File Attributes
+        writeLong(cDir, offset);
+        cDir.write(nameBytes);
+        nameBytes = null;
+        if (currentEntry.getExtra() != null) {
+            cDir.write(currentEntry.getExtra());
+        }
+        offset += curOffset;
+        if (c != null) {
+            cDir.write(c.getBytes());
+        }
+        currentEntry = null;
+        crc.reset();
+        deflater.end();
+        deflater.init(-1, true);
+    }
+
+    @Override
+    public void finish() throws IOException {
+        if (out == null) {
+            throw new IOException();
+        }
+        if (cDir == null) {
+            return;
+        }
+        if (entries.size() == 0) {
+            throw new ZipException();
+        }
+        if (currentEntry != null) {
+            closeEntry();
+        }
+        int cdirSize = cDir.size();
+        // Write Central Dir End
+        writeLong(cDir, ENDSIG);
+        writeShort(cDir, 0); // Disk Number
+        writeShort(cDir, 0); // Start Disk
+        writeShort(cDir, entries.size()); // Number of entries
+        writeShort(cDir, entries.size()); // Number of entries
+        writeLong(cDir, cdirSize); // Size of central dir
+        writeLong(cDir, offset); // Offset of central dir
+        if (comment != null) {
+            writeShort(cDir, comment.length());
+            cDir.write(comment.getBytes());
+        } else {
+            writeShort(cDir, 0);
+        }
+        // Write the central dir
+        out.write(cDir.toByteArray());
+        cDir = null;
+
+    }
+
+    public void putNextEntry(ZipEntry ze) throws IOException {
+        if (currentEntry != null) {
+            closeEntry();
+        }
+        if (ze.getMethod() == STORED
+                || (compressMethod == STORED && ze.getMethod() == -1)) {
+            if (ze.getCrc() == -1) {
+                throw new ZipException("Crc mismatch");
+            }
+            if (ze.getSize() == -1 && ze.getCompressedSize() == -1) {
+                throw new ZipException("Size mismatch");
+            }
+            if (ze.getSize() != ze.getCompressedSize() && ze.getCompressedSize() != -1 && ze.getSize() != -1) {
+                throw new ZipException("Size mismatch");
+            }
+        }
+        if (cDir == null) {
+            throw new IOException("Stream is closed");
+        }
+        if (entries.contains(ze.getName())) {
+            throw new ZipException("Entry already exists: " + ze.getName());
+        }
+        nameLength = utf8Count(ze.getName());
+        if (nameLength > 0xffff) {
+            throw new IllegalArgumentException("Name too long: " + ze.getName());
+        }
+
+        deflater.params(compressLevel, 0);
+        currentEntry = ze;
+        entries.add(currentEntry.getName());
+        if (currentEntry.getMethod() == -1) {
+            currentEntry.setMethod(compressMethod);
+        }
+        writeLong(out, LOCSIG); // Entry header
+        writeShort(out, ZIPLocalHeaderVersionNeeded); // Extraction version
+        writeShort(out, currentEntry.getMethod() == STORED ? 0 : ZIPDataDescriptorFlag);
+        writeShort(out, currentEntry.getMethod());
+        if (currentEntry.getTime() == -1) {
+            currentEntry.setTime(System.currentTimeMillis());
+        }
+        writeShort(out, (int) currentEntry.getTime());
+        writeShort(out, 0);
+
+        if (currentEntry.getMethod() == STORED) {
+            if (currentEntry.getSize() == -1) {
+                currentEntry.setSize(currentEntry.getCompressedSize());
+            } else if (currentEntry.getCompressedSize() == -1) {
+                currentEntry.setCompressedSize(currentEntry.getSize());
+            }
+            writeLong(out, currentEntry.getCrc());
+            writeLong(out, currentEntry.getSize());
+            writeLong(out, currentEntry.getSize());
+        } else {
+            writeLong(out, 0);
+            writeLong(out, 0);
+            writeLong(out, 0);
+        }
+        writeShort(out, nameLength);
+        writeShort(out, currentEntry.getExtra() != null ? currentEntry.getExtra().length : 0);
+        nameBytes = toUTF8Bytes(currentEntry.getName(), nameLength);
+        out.write(nameBytes);
+        if (currentEntry.getExtra() != null) {
+            out.write(currentEntry.getExtra());
+        }
+    }
+
+    public void setComment(String comment) {
+        if (comment.length() > 0xFFFF) {
+            throw new IllegalArgumentException();
+        }
+        this.comment = comment;
+    }
+
+    public void setLevel(int level) {
+        if (level < DEFAULT_COMPRESSION || level > BEST_COMPRESSION) {
+            throw new IllegalArgumentException();
+        }
+        compressLevel = level;
+    }
+
+    public void setMethod(int method) {
+        if (method != STORED && method != DEFLATED) {
+            throw new IllegalArgumentException();
+        }
+        compressMethod = method;
+
+    }
+
+    private long writeLong(OutputStream os, long i) throws IOException {
+        // Write out the long value as an unsigned int
+        os.write((int) (i & 0xFF));
+        os.write((int) (i >> 8) & 0xFF);
+        os.write((int) (i >> 16) & 0xFF);
+        os.write((int) (i >> 24) & 0xFF);
+        return i;
+    }
+
+    private int writeShort(OutputStream os, int i) throws IOException {
+        os.write(i & 0xFF);
+        os.write((i >> 8) & 0xFF);
+        return i;
+
+    }
+
+    /**
+     * Writes data for the current entry to the underlying stream.
+     *
+     * @exception IOException
+     *                If an error occurs writing to the stream
+     */
+    @Override
+    public void write(byte[] buffer, int off, int nbytes)
+            throws IOException {
+        // avoid int overflow, check null buf
+        if ((off < 0 || (nbytes < 0) || off > buffer.length) || (buffer.length - off < nbytes)) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        if (currentEntry == null) {
+            throw new ZipException("No active entry");
+        }
+
+        if (currentEntry.getMethod() == STORED) {
+            out.write(buffer, off, nbytes);
+        } else {
+            super.write(buffer, off, nbytes);
+        }
+        crc.update(buffer, off, nbytes);
+    }
+
+    static int utf8Count(String value) {
+        int total = 0;
+        for (int i = value.length(); --i >= 0;) {
+            char ch = value.charAt(i);
+            if (ch < 0x80) {
+                total++;
+            } else if (ch < 0x800) {
+                total += 2;
+            } else {
+                total += 3;
+            }
+        }
+        return total;
+    }
+
+    static byte[] toUTF8Bytes(String value, int length) {
+        byte[] result = new byte[length];
+        int pos = result.length;
+        for (int i = value.length(); --i >= 0;) {
+            char ch = value.charAt(i);
+            if (ch < 0x80) {
+                result[--pos] = (byte) ch;
+            } else if (ch < 0x800) {
+                result[--pos] = (byte) (0x80 | (ch & 0x3f));
+                result[--pos] = (byte) (0xc0 | (ch >> 6));
+            } else {
+                result[--pos] = (byte) (0x80 | (ch & 0x3f));
+                result[--pos] = (byte) (0x80 | ((ch >> 6) & 0x3f));
+                result[--pos] = (byte) (0xe0 | (ch >> 12));
+            }
+        }
+        return result;
+    }
+}

src/main/java/net/lax1dude/eaglercraft/GuiScreenBackupWorld.java

@@ -80,7 +80,7 @@ public class GuiScreenBackupWorld extends GuiScreen {
 			}));
 		}else if(par1GuiButton.id == 4) {
 			IntegratedServer.exportWorld(worldName, IPCPacket05RequestData.REQUEST_LEVEL_MCA);
-			this.mc.displayGuiScreen(new GuiScreenSingleplayerLoading(selectWorld, "selectWorld.progress.exporting.1", () -> {
+			this.mc.displayGuiScreen(new GuiScreenSingleplayerLoading(selectWorld, "selectWorld.progress.exporting.2", () -> {
 				byte[] b = IntegratedServer.getExportResponse();
 				if(b != null) {
 					EaglerAdapter.downloadBytes(worldName + ".zip", b);

src/main/java/net/minecraft/src/ItemRenderer.java

@@ -508,6 +508,7 @@ public class ItemRenderer {
 	 * partialTickTime, blockTextureIndex
 	 */
 	private void renderInsideOfBlock(float par1, Icon par2Icon) {
+		if (par2Icon == null) return;
 		Tessellator var3 = Tessellator.instance;
 		float var4 = 0.1F;
 		EaglerAdapter.glColor4f(var4, var4, var4, 0.5F);