1 files changed, 62 insertions, 0 deletions
diff --git a/patches/server/1026-API-for-checking-sent-chunks.patch b/patches/server/1026-API-for-checking-sent-chunks.patch
new file mode 100644
index 0000000000..a08ada1670
--- /dev/null
+++ b/patches/server/1026-API-for-checking-sent-chunks.patch
@@ -0,0 +1,62 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Flo0 <[email protected]>
+Date: Mon, 8 Apr 2024 16:43:16 +0200
+Subject: [PATCH] API for checking sent chunks
+
+
+diff --git a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
+index ee58c67cb2bd78159cce19ec75f13dc6168a0e7a..149cfb0587299f72fcfddf395fb71b70438986c1 100644
+--- a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
++++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
+@@ -1048,6 +1048,11 @@ public class RegionizedPlayerChunkLoader {
+ 
+             // now all tickets should be removed, which is all of our external state
+         }
++
++        // For external checks
++        public it.unimi.dsi.fastutil.longs.LongOpenHashSet getSentChunksRaw() {
++            return this.sentChunks;
++        }
+     }
+ 
+     // TODO rebase into util patch
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index 6f8999df04e6ad4d4d52e87b05a187f586d60c74..a9aa3dca65aca86cf535d6616f5d5db3e1e8fc8b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -3446,6 +3446,35 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+     }
+     // Paper end
+ 
++    // Paper start - Add chunk view API
++    @Override
++    public Set<java.lang.Long> getSentChunkKeys() {
++        org.spigotmc.AsyncCatcher.catchOp("accessing sent chunks");
++        return it.unimi.dsi.fastutil.longs.LongSets.unmodifiable(
++            this.getHandle().chunkLoader.getSentChunksRaw().clone()
++        );
++    }
++
++    @Override
++    public Set<org.bukkit.Chunk> getSentChunks() {
++        org.spigotmc.AsyncCatcher.catchOp("accessing sent chunks");
++        final it.unimi.dsi.fastutil.longs.LongOpenHashSet rawChunkKeys = this.getHandle().chunkLoader.getSentChunksRaw();
++        final it.unimi.dsi.fastutil.objects.ObjectOpenHashSet<org.bukkit.Chunk> chunks = new it.unimi.dsi.fastutil.objects.ObjectOpenHashSet<>(rawChunkKeys.size());
++        final org.bukkit.World world = this.getWorld();
++
++        final it.unimi.dsi.fastutil.longs.LongIterator iter = this.getHandle().chunkLoader.getSentChunksRaw().longIterator();
++        while (iter.hasNext()) chunks.add(world.getChunkAt(iter.nextLong(), false));
++
++        return it.unimi.dsi.fastutil.objects.ObjectSets.unmodifiable(chunks);
++    }
++
++    @Override
++    public boolean isChunkSent(final long chunkKey) {
++        org.spigotmc.AsyncCatcher.catchOp("accessing sent chunks");
++        return this.getHandle().chunkLoader.getSentChunksRaw().contains(chunkKey);
++    }
++    // Paper end
++
+     public Player.Spigot spigot()
+     {
+         return this.spigot;