add progressbar to object writing

core/src/main/java/com/volmit/iris/core/commands/CommandObject.java

@@ -381,7 +381,7 @@ public class CommandObject implements DecreeExecutor {
             return;
         }
         try {
-            o.write(file);
+            o.write(file, sender());
         } catch (IOException e) {
             sender().sendMessage(C.RED + "Failed to save object because of an IOException: " + e.getMessage());
             Iris.reportError(e);

core/src/main/java/com/volmit/iris/engine/object/IrisObject.java

@@ -43,6 +43,7 @@ import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.IrisLock;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
+import com.volmit.iris.util.scheduling.jobs.Job;
 import com.volmit.iris.util.stream.ProceduralStream;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
@@ -63,7 +64,9 @@ import org.bukkit.util.Vector;
 
 import java.io.*;
 import java.util.*;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.BiConsumer;
 
 @Accessors(chain = true)
@@ -384,6 +387,88 @@ public class IrisObject extends IrisRegistrant {
         }
     }
 
+    public void write(OutputStream o, VolmitSender sender) throws IOException {
+        AtomicReference<IOException> ref = new AtomicReference<>();
+        CountDownLatch latch = new CountDownLatch(1);
+        new Job() {
+            private int total = getBlocks().size() * 3 + getStates().size();
+            private int c = 0;
+
+            @Override
+            public String getName() {
+                return "Saving Object";
+            }
+
+            @Override
+            public void execute() {
+                try {
+                    DataOutputStream dos = new DataOutputStream(o);
+                    dos.writeInt(w);
+                    dos.writeInt(h);
+                    dos.writeInt(d);
+                    dos.writeUTF("Iris V2 IOB;");
+
+                    KList<String> palette = new KList<>();
+
+                    for (BlockData i : getBlocks().values()) {
+                        palette.addIfMissing(i.getAsString());
+                        ++c;
+                    }
+                    total -= getBlocks().size() - palette.size();
+
+                    dos.writeShort(palette.size());
+
+                    for (String i : palette) {
+                        dos.writeUTF(i);
+                        ++c;
+                    }
+
+                    dos.writeInt(getBlocks().size());
+
+                    for (BlockVector i : getBlocks().keySet()) {
+                        dos.writeShort(i.getBlockX());
+                        dos.writeShort(i.getBlockY());
+                        dos.writeShort(i.getBlockZ());
+                        dos.writeShort(palette.indexOf(getBlocks().get(i).getAsString()));
+                        ++c;
+                    }
+
+                    dos.writeInt(getStates().size());
+                    for (BlockVector i : getStates().keySet()) {
+                        dos.writeShort(i.getBlockX());
+                        dos.writeShort(i.getBlockY());
+                        dos.writeShort(i.getBlockZ());
+                        getStates().get(i).toBinary(dos);
+                        ++c;
+                    }
+                } catch (IOException e) {
+                    ref.set(e);
+                } finally {
+                    latch.countDown();
+                }
+            }
+
+            @Override
+            public void completeWork() {}
+
+            @Override
+            public int getTotalWork() {
+                return total;
+            }
+
+            @Override
+            public int getWorkCompleted() {
+                return c;
+            }
+        }.execute(sender, true, () -> {});
+
+        try {
+            latch.await();
+        } catch (InterruptedException ignored) {}
+        if (ref.get() != null)
+            throw ref.get();
+    }
+
     public void read(File file) throws IOException {
         var fin = new BufferedInputStream(new FileInputStream(file));
         try {
@@ -408,6 +493,16 @@ public class IrisObject extends IrisRegistrant {
         out.close();
     }
 
+    public void write(File file, VolmitSender sender) throws IOException {
+        if (file == null) {
+            return;
+        }
+
+        FileOutputStream out = new FileOutputStream(file);
+        write(out, sender);
+        out.close();
+    }
+
     public void shrinkwrap() {
         BlockVector min = new BlockVector();
         BlockVector max = new BlockVector();