From 597fc082bea5ae82bf9ebf3f48c5c7e8d7487040 Mon Sep 17 00:00:00 2001
From: tastybento <tastybento@wasteofplastic.com>
Date: Sun, 30 Dec 2018 14:54:37 -0800
Subject: [PATCH] WIP Added staggered pasting

---
 .../bentobox/bentobox/schems/Clipboard.java   | 31 +++++++++++++++----
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/src/main/java/world/bentobox/bentobox/schems/Clipboard.java b/src/main/java/world/bentobox/bentobox/schems/Clipboard.java
index d52eaa5c3..6264571cd 100644
--- a/src/main/java/world/bentobox/bentobox/schems/Clipboard.java
+++ b/src/main/java/world/bentobox/bentobox/schems/Clipboard.java
@@ -10,6 +10,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Objects;
 import java.util.stream.Collectors;
@@ -42,6 +43,7 @@ import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.material.Colorable;
+import org.bukkit.scheduler.BukkitTask;
 import org.bukkit.util.Vector;
 
 import world.bentobox.bentobox.BentoBox;
@@ -55,6 +57,9 @@ import world.bentobox.bentobox.util.Util;
  */
 public class Clipboard {
 
+    // Speed of pasting
+    private static final int BLOCKS_PER_TICK = Integer.MAX_VALUE;
+
     // Commonly used texts along this class.
     private static final String ATTACHED = "attached";
     private static final String BLOCK = "blocks";
@@ -73,6 +78,8 @@ public class Clipboard {
 
     private File schemFolder;
 
+    private BukkitTask pastingTask;
+
     public Clipboard(BentoBox plugin, File schemFolder) {
         super();
         this.plugin = plugin;
@@ -188,14 +195,26 @@ public class Clipboard {
         Location loc = island.getCenter().toVector().subtract(off).toLocation(world);
         // Paste
         if (blockConfig.contains(BLOCK)) {
-            blockConfig.getConfigurationSection(BLOCK).getKeys(false).forEach(b -> pasteBlock(world, island, loc, blockConfig.getConfigurationSection(BLOCK + "." + b)));
+            Iterator<String> it = blockConfig.getConfigurationSection(BLOCK).getKeys(false).iterator();
+            pastingTask = Bukkit.getScheduler().runTaskTimer(plugin, () -> {
+                int count = 0;
+                while (count < BLOCKS_PER_TICK && it.hasNext()) {
+                    pasteBlock(world, island, loc, blockConfig.getConfigurationSection(BLOCK + "." + it.next()));
+                    count++;
+                }
+                // If the pasting has been completed, then cancel and run any follow on task
+                if (!it.hasNext()) {
+                    // Cancel task
+                    pastingTask.cancel();
+                    if (task != null) {
+                        // Run follow on task if it exists
+                        Bukkit.getScheduler().runTaskLater(plugin, task, 2L);
+                    }
+                }
+            }, 0L, 1L);
         } else {
             plugin.logError("Clipboard has no block data in it to paste!");
         }
-        // Run follow on task if it exists
-        if (task != null) {
-            Bukkit.getScheduler().runTaskLater(plugin, task, 2L);
-        }
     }
 
     /**
@@ -229,7 +248,7 @@ public class Clipboard {
             plugin.getIWM().getAddon(island.getWorld()).ifPresent(addon -> {
                 lines.clear();
                 for (int i = 0; i < 4; i++) {
-                    lines.add(ChatColor.translateAlternateColorCodes('&', plugin.getLocalesManager().getOrDefault(User.getInstance(island.getOwner()), 
+                    lines.add(ChatColor.translateAlternateColorCodes('&', plugin.getLocalesManager().getOrDefault(User.getInstance(island.getOwner()),
                             addon.getDescription().getName().toLowerCase() + ".sign.line" + i,"")));
                 }
             });