Fix inconsistent chunk sending with vanilla

Vanilla now loads the proper number of chunks for sending
to players. So, we can finally match their behavior after
all these years.

patches/server/0019-Rewrite-chunk-system.patch

@@ -2310,7 +2310,7 @@ index 95eac2e12a16938d81ab512b00e90c5234b42834..8f7bf1f0400aeab8b7801d113d244d07
      private ChunkSystem() {
 diff --git a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..436111365e26be6233ea36b64c1574c823f65406
+index 0000000000000000000000000000000000000000..c5507553d735bbb82cbbce0308138c5a82ccc3f9
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
 @@ -0,0 +1,1417 @@
@@ -2896,14 +2896,14 @@ index 0000000000000000000000000000000000000000..436111365e26be6233ea36b64c1574c8
 +
 +        private static int getLoadViewDistance(final int tickViewDistance, final int playerLoadViewDistance,
 +                                               final int worldLoadViewDistance) {
-+            return Math.max(tickViewDistance, playerLoadViewDistance < 0 ? worldLoadViewDistance : playerLoadViewDistance);
++            return Math.max(tickViewDistance + 1, playerLoadViewDistance < 0 ? worldLoadViewDistance : playerLoadViewDistance);
 +        }
 +
 +        private static int getSendViewDistance(final int loadViewDistance, final int clientViewDistance,
 +                                               final int playerSendViewDistance, final int worldSendViewDistance) {
 +            return Math.min(
-+                loadViewDistance,
++                loadViewDistance - 1,
-+                playerSendViewDistance < 0 ? (!GlobalConfiguration.get().chunkLoadingAdvanced.autoConfigSendDistance || clientViewDistance < 0 ? (worldSendViewDistance < 0 ? loadViewDistance : worldSendViewDistance) : clientViewDistance) : playerSendViewDistance
++                playerSendViewDistance < 0 ? (!GlobalConfiguration.get().chunkLoadingAdvanced.autoConfigSendDistance || clientViewDistance < 0 ? (worldSendViewDistance < 0 ? (loadViewDistance - 1) : worldSendViewDistance) : clientViewDistance + 1) : playerSendViewDistance
 +            );
 +        }
 +
@@ -2976,7 +2976,7 @@ index 0000000000000000000000000000000000000000..436111365e26be6233ea36b64c1574c8
 +        private boolean wantChunkSent(final int chunkX, final int chunkZ) {
 +            final int dx = this.lastChunkX - chunkX;
 +            final int dz = this.lastChunkZ - chunkZ;
-+            return Math.max(Math.abs(dx), Math.abs(dz)) <= this.lastSendDistance && wantChunkLoaded(
++            return (Math.max(Math.abs(dx), Math.abs(dz)) <= (this.lastSendDistance + 1)) && wantChunkLoaded(
 +                this.lastChunkX, this.lastChunkZ, chunkX, chunkZ, this.lastSendDistance
 +            );
 +        }
@@ -3317,7 +3317,7 @@ index 0000000000000000000000000000000000000000..436111365e26be6233ea36b64c1574c8
 +                // everything <= sendDistance
 +                // Note: Vanilla may want to send chunks outside the send view distance, so we do need
 +                // the dist <= view check
-+                final boolean sendChunk = squareDistance <= sendViewDistance
++                final boolean sendChunk = (squareDistance <= (sendViewDistance + 1))
 +                    && wantChunkLoaded(currentChunkX, currentChunkZ, chunkX, chunkZ, sendViewDistance);
 +                final boolean sentChunk = sendChunk ? this.sentChunks.contains(chunk) : this.sentChunks.remove(chunk);
 +
@@ -17636,7 +17636,7 @@ index 4620e64d8eb81520b75fbfbc64603e5887c7b016..c5389e7f3665c06e487dfde3200b7e22
      // Paper end
  }
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 19bd6f9aee3ccb1af1b010ee51a54aa2d0bf9c84..a502d293cedb2f507e6cf1792429b36685ed1910 100644
+index 19bd6f9aee3ccb1af1b010ee51a54aa2d0bf9c84..6f30a16595e352e32375530a0482d8c0ee9c1113 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -127,10 +127,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@@ -18461,7 +18461,7 @@ index 19bd6f9aee3ccb1af1b010ee51a54aa2d0bf9c84..a502d293cedb2f507e6cf1792429b366
 -                    this.updateChunkTracking(entityplayer, chunkcoordintpair, mutableobject, flag, flag1);
 -                });
 -            }
-+            this.level.playerChunkLoader.setLoadDistance(this.viewDistance); // Paper - replace player loader system
++            this.level.playerChunkLoader.setLoadDistance(this.viewDistance + 1); // Paper - replace player loader system
          }
  
      }

patches/server/0170-PlayerNaturallySpawnCreaturesEvent.patch

@@ -9,7 +9,7 @@ from triggering monster spawns on a server.
 Also a highly more effecient way to blanket block spawns in a world
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index a502d293cedb2f507e6cf1792429b36685ed1910..e50af28f806593a0171ad7cee5805f74b25fec89 100644
+index 6f30a16595e352e32375530a0482d8c0ee9c1113..8dc2a217d018e0a11fb852cf46d4e9b5290ea6a0 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -708,7 +708,9 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0236-Add-Debug-Entities-option-to-debug-dupe-uuid-issues.patch

@@ -8,7 +8,7 @@ Add -Ddebug.entities=true to your JVM flags to gain more information
 1.17: Needs to be reworked for new entity storage system
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index e50af28f806593a0171ad7cee5805f74b25fec89..7495bd988a48cbb977ebac25854547aeb0c204e3 100644
+index 8dc2a217d018e0a11fb852cf46d4e9b5290ea6a0..af92411006c3d281815b3f4c3de5f0280d3a5901 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -897,6 +897,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0316-Fix-World-isChunkGenerated-calls.patch

@@ -8,7 +8,7 @@ This patch also adds a chunk status cache on region files (note that
 its only purpose is to cache the status on DISK)
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 7495bd988a48cbb977ebac25854547aeb0c204e3..8d22f785c32eea3a8ea2b33ddc0ccf29abf4a3b4 100644
+index af92411006c3d281815b3f4c3de5f0280d3a5901..50a201c08f143117a050305b0dde6873a04efb8b 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -687,9 +687,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0328-Duplicate-UUID-Resolve-Option.patch

@@ -56,7 +56,7 @@ index 8f7bf1f0400aeab8b7801d113d244d0716c5eb84..fccb8d7a99bef076838ebefa233f2f00
  
      public static void onChunkHolderCreate(final ServerLevel level, final ChunkHolder holder) {
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 8d22f785c32eea3a8ea2b33ddc0ccf29abf4a3b4..670d16f877ed7927d0cd64639d00c2e81b846908 100644
+index 50a201c08f143117a050305b0dde6873a04efb8b..562e45954cc72a253f20e9a9fddf0f179baf3e7b 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -535,6 +535,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0340-Tracking-Range-Improvements.patch

@@ -8,7 +8,7 @@ Sets tracking range of watermobs to animals instead of misc and simplifies code
 Also ignores Enderdragon, defaulting it to Mojang's setting
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 670d16f877ed7927d0cd64639d00c2e81b846908..8c4d2b2f206d7662c0aceb30f49fa58f9426ec5c 100644
+index 562e45954cc72a253f20e9a9fddf0f179baf3e7b..c00a625af27cdd80e2e4773ad93ff919f12acf31 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -1326,6 +1326,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0342-implement-optional-per-player-mob-spawns.patch

@@ -252,7 +252,7 @@ index 0000000000000000000000000000000000000000..11de56afaf059b00fa5bec293516bcdc
 +    }
 +} 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 8c4d2b2f206d7662c0aceb30f49fa58f9426ec5c..1711170ef98831dacfbf30ac22e19f47b3c4c413 100644
+index c00a625af27cdd80e2e4773ad93ff919f12acf31..5cc0a39622a265e42e6b7d20e81144d1acce59b7 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -151,6 +151,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0364-Prevent-Double-PlayerChunkMap-adds-crashing-server.patch

@@ -7,7 +7,7 @@ Suspected case would be around the technique used in .stopRiding
 Stack will identify any causer of this and warn instead of crashing.
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 1711170ef98831dacfbf30ac22e19f47b3c4c413..67317919d86ca4e0aa11d9f0625851fd3c1ccc84 100644
+index 5cc0a39622a265e42e6b7d20e81144d1acce59b7..f1a6827a8a23795f810279597b8eefb948d4fcff 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -1031,6 +1031,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0378-Fix-Longstanding-Broken-behavior-of-PlayerJoinEvent.patch

@@ -31,7 +31,7 @@ delays anymore.
 public net.minecraft.server.level.ChunkMap addEntity(Lnet/minecraft/world/entity/Entity;)V
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 67317919d86ca4e0aa11d9f0625851fd3c1ccc84..487ea2ecb0ea82e001731fa0458aff1ac9d3c0dc 100644
+index f1a6827a8a23795f810279597b8eefb948d4fcff..6ad8b10e47e33221513f57c424431793177fc140 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -1037,6 +1037,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0402-Reduce-allocation-of-Vec3D-by-entity-tracker.patch

@@ -18,7 +18,7 @@ index 05ac41e136da43284fb24a6b698ebd36318278fb..5ca3ad7b3d7606accd0a58b3c708fadb
      @VisibleForTesting
      static long encode(double value) {
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 487ea2ecb0ea82e001731fa0458aff1ac9d3c0dc..8d8bb430e44d7608a8aa44c7feb41797b8bbfb06 100644
+index 6ad8b10e47e33221513f57c424431793177fc140..f3bbafb3475ea080826c5c795c37bc21db5622c7 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -1343,9 +1343,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0413-Use-distance-map-to-optimise-entity-tracker.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Use distance map to optimise entity tracker
 Use the distance map to find candidate players for tracking.
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 8d8bb430e44d7608a8aa44c7feb41797b8bbfb06..8c8f4829c32d469d983b8d07a33670455cd5713d 100644
+index f3bbafb3475ea080826c5c795c37bc21db5622c7..897205c326f9c8d37e0320c59e09dcc40fa38711 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -157,6 +157,23 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0689-Optimize-anyPlayerCloseEnoughForSpawning-to-use-dist.patch

@@ -42,7 +42,7 @@ index c5389e7f3665c06e487dfde3200b7e229694fbd2..4164204ba80f68a768de0ed1721c6447
      private final com.destroystokyo.paper.util.maplist.ReferenceList<ServerPlayer> playersSentChunkTo = new com.destroystokyo.paper.util.maplist.ReferenceList<>();
  
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 8c8f4829c32d469d983b8d07a33670455cd5713d..f3dc5f6d92ce365e302eeffa511438fc234eeca2 100644
+index 897205c326f9c8d37e0320c59e09dcc40fa38711..13df88938d9fe7471806d6a7ba7c00143d89b411 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -174,12 +174,24 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0690-Optimise-chunk-tick-iteration.patch

@@ -72,7 +72,7 @@ index 4164204ba80f68a768de0ed1721c6447b972a631..4ae1ba645d9fdc1eb6d5a3e4f8ceed9b
              List list;
  
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index f3dc5f6d92ce365e302eeffa511438fc234eeca2..3184980e7de4fd41c4bfb8a808ab419354f15a32 100644
+index 13df88938d9fe7471806d6a7ba7c00143d89b411..d9ef2a44e2e9f1ce32589638fad3d305dadb4cce 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -115,6 +115,8 @@ import org.bukkit.craftbukkit.generator.CustomChunkGenerator;

patches/server/0706-Oprimise-map-impl-for-tracked-players.patch

@@ -7,7 +7,7 @@ Reference2BooleanOpenHashMap is going to have
 better lookups than HashMap.
 
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 3184980e7de4fd41c4bfb8a808ab419354f15a32..42b383e7f23747716c89eb2de8c042ff5c35de47 100644
+index d9ef2a44e2e9f1ce32589638fad3d305dadb4cce..6b8a318d9793b290798d44acdcd0d93687c8747d 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -1400,7 +1400,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider

patches/server/0710-Optimise-nearby-player-lookups.patch

@@ -39,7 +39,7 @@ index 4ae1ba645d9fdc1eb6d5a3e4f8ceed9b4841e003..e2202389a2c4133a183cca59c4e909fc
      // Paper end
  
 diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
-index 42b383e7f23747716c89eb2de8c042ff5c35de47..9738a74103473af0b3351a654d8e58c3e73e7194 100644
+index 6b8a318d9793b290798d44acdcd0d93687c8747d..f0347600b2f07105ce4802273b0cfe8631ee8876 100644
 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java
 +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
 @@ -157,6 +157,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider