uuid changes

src/main/java/net/minecraft/server/PlayerNBTManager.java

@@ -0,0 +1,246 @@
+package net.minecraft.server;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.List;
+import java.util.UUID;
+import java.util.logging.Logger;
+
+public class PlayerNBTManager implements PlayerFileData, IDataManager {
+
+    private static final Logger a = Logger.getLogger("Minecraft");
+    private final File b;
+    private final File c;
+    private final File d;
+    private final long e = System.currentTimeMillis();
+
+    public PlayerNBTManager(File file1, String s, boolean flag) {
+        this.b = new File(file1, s);
+        this.b.mkdirs();
+        this.c = new File(this.b, "players");
+        this.d = new File(this.b, "data");
+        this.d.mkdirs();
+        if (flag) {
+            this.c.mkdirs();
+        }
+
+        this.f();
+    }
+
+    private void f() {
+        try {
+            File file1 = new File(this.b, "session.lock");
+            DataOutputStream dataoutputstream = new DataOutputStream(new FileOutputStream(file1));
+
+            try {
+                dataoutputstream.writeLong(this.e);
+            } finally {
+                dataoutputstream.close();
+            }
+        } catch (IOException ioexception) {
+            ioexception.printStackTrace();
+            throw new RuntimeException("Failed to check session lock, aborting");
+        }
+    }
+
+    protected File a() {
+        return this.b;
+    }
+
+    public void b() {
+        try {
+            File file1 = new File(this.b, "session.lock");
+            DataInputStream datainputstream = new DataInputStream(new FileInputStream(file1));
+
+            try {
+                if (datainputstream.readLong() != this.e) {
+                    throw new MinecraftException("The save is being accessed from another location, aborting");
+                }
+            } finally {
+                datainputstream.close();
+            }
+        } catch (IOException ioexception) {
+            throw new MinecraftException("Failed to check session lock, aborting");
+        }
+    }
+
+    public IChunkLoader a(WorldProvider worldprovider) {
+        if (worldprovider instanceof WorldProviderHell) {
+            File file1 = new File(this.b, "DIM-1");
+
+            file1.mkdirs();
+            return new ChunkLoader(file1, true);
+        } else {
+            return new ChunkLoader(this.b, true);
+        }
+    }
+
+    public WorldData c() {
+        File file1 = new File(this.b, "level.dat");
+        NBTTagCompound nbttagcompound;
+        NBTTagCompound nbttagcompound1;
+
+        if (file1.exists()) {
+            try {
+                nbttagcompound = CompressedStreamTools.a((InputStream) (new FileInputStream(file1)));
+                nbttagcompound1 = nbttagcompound.k("Data");
+                return new WorldData(nbttagcompound1);
+            } catch (Exception exception) {
+                exception.printStackTrace();
+            }
+        }
+
+        file1 = new File(this.b, "level.dat_old");
+        if (file1.exists()) {
+            try {
+                nbttagcompound = CompressedStreamTools.a((InputStream) (new FileInputStream(file1)));
+                nbttagcompound1 = nbttagcompound.k("Data");
+                return new WorldData(nbttagcompound1);
+            } catch (Exception exception1) {
+                exception1.printStackTrace();
+            }
+        }
+
+        return null;
+    }
+
+    public void a(WorldData worlddata, List list) {
+        NBTTagCompound nbttagcompound = worlddata.a(list);
+        NBTTagCompound nbttagcompound1 = new NBTTagCompound();
+
+        nbttagcompound1.a("Data", (NBTBase) nbttagcompound);
+
+        try {
+            File file1 = new File(this.b, "level.dat_new");
+            File file2 = new File(this.b, "level.dat_old");
+            File file3 = new File(this.b, "level.dat");
+
+            CompressedStreamTools.a(nbttagcompound1, (OutputStream) (new FileOutputStream(file1)));
+            if (file2.exists()) {
+                file2.delete();
+            }
+
+            file3.renameTo(file2);
+            if (file3.exists()) {
+                file3.delete();
+            }
+
+            file1.renameTo(file3);
+            if (file1.exists()) {
+                file1.delete();
+            }
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+    }
+
+    public void a(WorldData worlddata) {
+        NBTTagCompound nbttagcompound = worlddata.a();
+        NBTTagCompound nbttagcompound1 = new NBTTagCompound();
+
+        nbttagcompound1.a("Data", (NBTBase) nbttagcompound);
+
+        try {
+            File file1 = new File(this.b, "level.dat_new");
+            File file2 = new File(this.b, "level.dat_old");
+            File file3 = new File(this.b, "level.dat");
+
+            CompressedStreamTools.a(nbttagcompound1, (OutputStream) (new FileOutputStream(file1)));
+            if (file2.exists()) {
+                file2.delete();
+            }
+
+            file3.renameTo(file2);
+            if (file3.exists()) {
+                file3.delete();
+            }
+
+            file1.renameTo(file3);
+            if (file1.exists()) {
+                file1.delete();
+            }
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+    }
+
+    public void a(EntityHuman entityhuman) {
+        try {
+            NBTTagCompound nbttagcompound = new NBTTagCompound();
+
+            entityhuman.d(nbttagcompound);
+            File file1 = new File(this.c, "_tmp_.dat");
+            File file2 = new File(this.c, entityhuman.name + ".dat");
+
+            CompressedStreamTools.a(nbttagcompound, (OutputStream) (new FileOutputStream(file1)));
+            if (file2.exists()) {
+                file2.delete();
+            }
+
+            file1.renameTo(file2);
+        } catch (Exception exception) {
+            a.warning("Failed to save player data for " + entityhuman.name);
+        }
+    }
+
+    public void b(EntityHuman entityhuman) {
+        NBTTagCompound nbttagcompound = this.a(entityhuman.name);
+
+        if (nbttagcompound != null) {
+            entityhuman.e(nbttagcompound);
+        }
+    }
+
+    public NBTTagCompound a(String s) {
+        try {
+            File file1 = new File(this.c, s + ".dat");
+
+            if (file1.exists()) {
+                return CompressedStreamTools.a((InputStream) (new FileInputStream(file1)));
+            }
+        } catch (Exception exception) {
+            a.warning("Failed to load player data for " + s);
+        }
+
+        return null;
+    }
+
+    public PlayerFileData d() {
+        return this;
+    }
+
+    public void e() {}
+
+    public File b(String s) {
+        return new File(this.d, s + ".dat");
+    }
+
+    // CraftBukkit start
+    public UUID getUUID() {
+        try {
+            File file1 = new File(this.b, "uid.dat");
+            UUID id;
+            if(!file1.exists()) {
+                DataOutputStream dos = new DataOutputStream(new FileOutputStream(file1));
+                id = UUID.randomUUID();
+                dos.writeLong(id.getMostSignificantBits());
+                dos.writeLong(id.getLeastSignificantBits());
+            }
+            else {
+                DataInputStream dis = new DataInputStream(new FileInputStream(file1));
+                id = new UUID(dis.readLong(), dis.readLong());
+            }
+            return id;
+        }
+        catch (IOException ex) {
+            return null;
+        }
+    }
+    // CraftBukkit end
+}