From 74cc881077678ed7f0205b50e299a199331e2f8a Mon Sep 17 00:00:00 2001
From: PryPurity <imhandmade1234@gmail.com>
Date: Thu, 25 Jun 2020 06:09:46 -0500
Subject: [PATCH] Added back in paperlib support. Hopefully this fixes the
 issues with paper.

---
 .../com/wimbli/WorldBorder/WorldFileData.java | 68 +++++++++----------
 1 file changed, 34 insertions(+), 34 deletions(-)

diff --git a/src/main/java/com/wimbli/WorldBorder/WorldFileData.java b/src/main/java/com/wimbli/WorldBorder/WorldFileData.java
index bda0cf5..ea22832 100644
--- a/src/main/java/com/wimbli/WorldBorder/WorldFileData.java
+++ b/src/main/java/com/wimbli/WorldBorder/WorldFileData.java
@@ -6,9 +6,9 @@ import org.bukkit.entity.Player;
 import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileFilter;
-import java.io.IOException;
+import java.io.*;
+import java.nio.ByteBuffer;
+import java.nio.IntBuffer;
 import java.util.List;
 import java.util.*;
 
@@ -161,37 +161,37 @@ public class WorldFileData {
             if (!coord.equals(region))
                 continue;
 
-            //    try {
-            //        RandomAccessFile regionData = new RandomAccessFile(this.regionFile(i), "r");
-//
-            //        // Use of ByteBuffer+IntBuffer for reading file headers to improve performance, as suggested by aikar, reference:
-            //        // https://github.com/PaperMC/Paper/blob/b62dfa0bf95ac27ba0fbb3fae18c064e4bb61d50/Spigot-Server-Patches/0086-Reduce-IO-ops-opening-a-new-region-file.patch
-            //        ByteBuffer header = ByteBuffer.allocate(8192);
-            //        while (header.hasRemaining()) {
-            //            if (regionData.getChannel().read(header) == -1)
-            //                throw new EOFException();
-            //        }
-            //        header.clear();
-            //        IntBuffer headerAsInts = header.asIntBuffer();
-//
-            //        // first 4096 bytes of region file consists of 4-byte int pointers to chunk data in the file (32*32 chunks = 1024; 1024 chunks * 4 bytes each = 4096)
-            //        for (int j = 0; j < 1024; j++) {
-            //            // if chunk pointer data is 0, chunk doesn't exist yet; otherwise, it does
-            //            if (headerAsInts.get() != 0)
-            //                data.set(j, true);
-            //        }
-            //        // Read timestamps
-            //        for (int j = 0; j < 1024; j++) {
-            //            // if timestamp is zero, it is protochunk (ignore it)
-            //            if ((headerAsInts.get() == 0) && data.get(j))
-            //                data.set(j, false);
-            //        }
-            //        regionData.close();
-            //    } catch (FileNotFoundException ex) {
-            //        sendMessage("Error! Could not open region file to find generated chunks: " + this.regionFile(i).getName());
-            //    } catch (IOException ex) {
-            //        sendMessage("Error! Could not read region file to find generated chunks: " + this.regionFile(i).getName());
-            //    }
+            try {
+                RandomAccessFile regionData = new RandomAccessFile(this.regionFile(i), "r");
+
+                // Use of ByteBuffer+IntBuffer for reading file headers to improve performance, as suggested by aikar, reference:
+                // https://github.com/PaperMC/Paper/blob/b62dfa0bf95ac27ba0fbb3fae18c064e4bb61d50/Spigot-Server-Patches/0086-Reduce-IO-ops-opening-a-new-region-file.patch
+                ByteBuffer header = ByteBuffer.allocate(8192);
+                while (header.hasRemaining()) {
+                    if (regionData.getChannel().read(header) == -1)
+                        throw new EOFException();
+                }
+                header.clear();
+                IntBuffer headerAsInts = header.asIntBuffer();
+
+                // first 4096 bytes of region file consists of 4-byte int pointers to chunk data in the file (32*32 chunks = 1024; 1024 chunks * 4 bytes each = 4096)
+                for (int j = 0; j < 1024; j++) {
+                    // if chunk pointer data is 0, chunk doesn't exist yet; otherwise, it does
+                    if (headerAsInts.get() != 0)
+                        data.set(j, true);
+                }
+                // Read timestamps
+                for (int j = 0; j < 1024; j++) {
+                    // if timestamp is zero, it is protochunk (ignore it)
+                    if ((headerAsInts.get() == 0) && data.get(j))
+                        data.set(j, false);
+                }
+                regionData.close();
+            } catch (FileNotFoundException ex) {
+                sendMessage("Error! Could not open region file to find generated chunks: " + this.regionFile(i).getName());
+            } catch (IOException ex) {
+                sendMessage("Error! Could not read region file to find generated chunks: " + this.regionFile(i).getName());
+            }
         }
         regionChunkExistence.put(region, data);
 //		testImage(region, data);