Incremental Auto Save Players

Take same approach we did for chunks, and only save player if its been X time since last save,
instead of doing it all in 1 tick.

This is even more helpful considering Player Saving is done sync for File IO.

Spigot-Server-Patches/0161-Auto-Save-Improvements.patch

@@ -1,4 +1,4 @@
-From dd5d1ed559dd433fe9651af7c83591e1a9b08efd Mon Sep 17 00:00:00 2001
+From a57aee2b24023bd4c1e0c17e153cc87832faf7b2 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Mon, 19 Sep 2016 23:16:39 -0400
 Subject: [PATCH] Auto Save Improvements
@@ -9,8 +9,24 @@ Process auto save every tick instead of once per auto tick interval, so that chu
 
 Re-introduce a cap per tick for auto save (Spigot disabled the vanilla cap) and make it configurable.
 
+Adds incremental player auto saving too
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
+index 3161dad45..668b375e1 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
++++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
+@@ -241,4 +241,9 @@ public class PaperConfig {
+         flyingKickPlayerMessage = getString("messages.kick.flying-player", flyingKickPlayerMessage);
+         flyingKickVehicleMessage = getString("messages.kick.flying-vehicle", flyingKickVehicleMessage);
+     }
++
++    public static int playerAutoSaveRate = -1;
++    private static void playerAutoSaveRate() {
++        playerAutoSaveRate = getInt("settings.player-auto-save-rate", -1);
++    }
+ }
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
-index 965edc9..da530f9 100644
+index 965edc99c..da530f9aa 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 @@ -2,6 +2,7 @@ package com.destroystokyo.paper;
@@ -42,7 +58,7 @@ index 965edc9..da530f9 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
-index 88437d7..9f7f32d 100644
+index 88437d77a..9f7f32dc2 100644
 --- a/src/main/java/net/minecraft/server/Chunk.java
 +++ b/src/main/java/net/minecraft/server/Chunk.java
 @@ -960,11 +960,9 @@ public class Chunk {
@@ -60,7 +76,7 @@ index 88437d7..9f7f32d 100644
  
      public Random a(long i) {
 diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
-index 7a56a64..5c5a56c 100644
+index 7a56a6416..5c5a56c51 100644
 --- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
 +++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
 @@ -1,5 +1,6 @@
@@ -79,8 +95,20 @@ index 7a56a64..5c5a56c 100644
                      return false;
                  }
              }
+diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
+index de2d4394b..4ad336e38 100644
+--- a/src/main/java/net/minecraft/server/EntityPlayer.java
++++ b/src/main/java/net/minecraft/server/EntityPlayer.java
+@@ -29,6 +29,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+ 
+     private static final Logger bR = LogManager.getLogger();
+     public String locale = null; // Spigot private -> public // Paper - default to null
++    public long lastSave = MinecraftServer.currentTick; // Paper
+     public PlayerConnection playerConnection;
+     public final MinecraftServer server;
+     public final PlayerInteractManager playerInteractManager;
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 184cb72..b307b2b 100644
+index 03185f789..85fd972bb 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -117,6 +117,7 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
@@ -91,16 +119,21 @@ index 184cb72..b307b2b 100644
      // CraftBukkit end
  
      public MinecraftServer(OptionSet options, Proxy proxy, DataConverterManager dataconvertermanager, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache) {
-@@ -760,22 +761,26 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
+@@ -760,22 +761,30 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
              this.q.b().a(agameprofile);
          }
  
 -        if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit
              this.methodProfiler.a("save");
+-            this.v.savePlayers();
 +
 +        serverAutoSave = (autosavePeriod > 0 && this.ticks % autosavePeriod == 0); // Paper
-+        if (serverAutoSave) { // CraftBukkit // Paper
-             this.v.savePlayers();
++        int playerSaveInterval = com.destroystokyo.paper.PaperConfig.playerAutoSaveRate;
++        if (playerSaveInterval < 0) {
++            playerSaveInterval = autosavePeriod;
++        }
++        if (playerSaveInterval > 0) { // CraftBukkit // Paper
++            this.v.savePlayers(playerSaveInterval);
              // Spigot Start
 +        } // Paper - Incremental Auto Saving
 +
@@ -121,8 +154,45 @@ index 184cb72..b307b2b 100644
  
          this.methodProfiler.a("tallying");
          this.h[this.ticks % 100] = System.nanoTime() - i;
+diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
+index b14d4cb7f..2f527f6ce 100644
+--- a/src/main/java/net/minecraft/server/PlayerList.java
++++ b/src/main/java/net/minecraft/server/PlayerList.java
+@@ -330,6 +330,7 @@ public abstract class PlayerList {
+     }
+ 
+     protected void savePlayerFile(EntityPlayer entityplayer) {
++        entityplayer.lastSave = MinecraftServer.currentTick; // Paper
+         this.playerFileData.save(entityplayer);
+         ServerStatisticManager serverstatisticmanager = (ServerStatisticManager) this.o.get(entityplayer.getUniqueID());
+ 
+@@ -1205,13 +1206,23 @@ public abstract class PlayerList {
+ 
+     }
+ 
++    // Paper start
+     public void savePlayers() {
++        savePlayers(null);
++    }
++
++    public void savePlayers(Integer interval) {
++        long now = MinecraftServer.currentTick;
+         MinecraftTimings.savePlayers.startTiming(); // Paper
+         for (int i = 0; i < this.players.size(); ++i) {
+-            this.savePlayerFile((EntityPlayer) this.players.get(i));
++            EntityPlayer entityplayer = this.players.get(i);
++            if (interval == null || now - entityplayer.lastSave >= interval) {
++                this.savePlayerFile(entityplayer);
++            }
+         }
+         MinecraftTimings.savePlayers.stopTiming(); // Paper
+     }
++    // Paper end
+ 
+     public void addWhitelist(GameProfile gameprofile) {
+         this.whitelist.add(new WhiteListEntry(gameprofile));
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 5bf7df7..bfa87d7 100644
+index 5bf7df7ee..bfa87d73d 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -1002,8 +1002,9 @@ public class WorldServer extends World implements IAsyncTaskHandler {
@@ -145,5 +215,5 @@ index 5bf7df7..bfa87d7 100644
              timings.worldSaveChunks.startTiming(); // Paper
              chunkproviderserver.a(flag);
 -- 
-2.9.3
+2.11.0
 

Spigot-Server-Patches/0164-Auto-fix-bad-Y-levels-on-player-login.patch

@@ -1,4 +1,4 @@
-From e154ac33d32fa8d2f4d82281fcada3d6b738416d Mon Sep 17 00:00:00 2001
+From 2e713ba23758c2e03a64f0239356407df62e730a Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Wed, 21 Sep 2016 23:48:39 -0400
 Subject: [PATCH] Auto fix bad Y levels on player login
@@ -6,10 +6,10 @@ Subject: [PATCH] Auto fix bad Y levels on player login
 Bring down to a saner Y level if super high, as this can cause the server to crash
 
 diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
-index de2d439..00fca19 100644
+index 4ad336e38..ab2b4c404 100644
 --- a/src/main/java/net/minecraft/server/EntityPlayer.java
 +++ b/src/main/java/net/minecraft/server/EntityPlayer.java
-@@ -126,6 +126,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+@@ -127,6 +127,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
              }
          }
  
@@ -18,5 +18,5 @@ index de2d439..00fca19 100644
      }
  
 -- 
-2.9.3
+2.11.0
 

Spigot-Server-Patches/0176-Optimise-removeQueue.patch

@@ -1,11 +1,11 @@
-From a6f36055caaf81e45853ce81401361fa9d4b4254 Mon Sep 17 00:00:00 2001
+From 049172acbe149163c86945185f962ce662331cc2 Mon Sep 17 00:00:00 2001
 From: Alfie Cleveland <alfeh@me.com>
 Date: Fri, 25 Nov 2016 13:22:40 +0000
 Subject: [PATCH] Optimise removeQueue
 
 
 diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
-index 00fca19..523d916 100644
+index ab2b4c404..fa09ef111 100644
 --- a/src/main/java/net/minecraft/server/EntityPlayer.java
 +++ b/src/main/java/net/minecraft/server/EntityPlayer.java
 @@ -4,7 +4,9 @@ import com.google.common.collect.Lists;
@@ -18,7 +18,7 @@ index 00fca19..523d916 100644
  import java.util.HashSet;
  import java.util.Iterator;
  import java.util.List;
-@@ -34,7 +36,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+@@ -35,7 +37,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
      public final PlayerInteractManager playerInteractManager;
      public double d;
      public double e;
@@ -27,7 +27,7 @@ index 00fca19..523d916 100644
      private final ServerStatisticManager bU;
      private float bV = Float.MIN_VALUE;
      private int bW = Integer.MIN_VALUE;
-@@ -246,10 +248,17 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+@@ -247,10 +249,17 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
              Iterator iterator = this.removeQueue.iterator();
              int j = 0;
  
@@ -46,7 +46,7 @@ index 00fca19..523d916 100644
  
              this.playerConnection.sendPacket(new PacketPlayOutEntityDestroy(aint));
          }
-@@ -986,7 +995,12 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+@@ -987,7 +996,12 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
          this.lastSentExp = -1;
          this.lastHealthSent = -1.0F;
          this.cc = -1;
@@ -61,5 +61,5 @@ index 00fca19..523d916 100644
  
      protected void a(MobEffect mobeffect) {
 -- 
-2.9.3
+2.11.0
 

Spigot-Server-Patches/0191-Add-option-to-remove-invalid-statistics.patch

@@ -1,16 +1,16 @@
-From 40667ff98170c1e7b5ff68d32697433cf707c3f1 Mon Sep 17 00:00:00 2001
+From eb8748d01fdae9225497d11a105d73565e577059 Mon Sep 17 00:00:00 2001
 From: Zach Brown <zach.brown@destroystokyo.com>
 Date: Tue, 20 Dec 2016 23:09:21 -0600
 Subject: [PATCH] Add option to remove invalid statistics
 
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
-index 3161dad..9e6071e 100644
+index 668b375e1..569a1a9ab 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
-@@ -241,4 +241,9 @@ public class PaperConfig {
-         flyingKickPlayerMessage = getString("messages.kick.flying-player", flyingKickPlayerMessage);
-         flyingKickVehicleMessage = getString("messages.kick.flying-vehicle", flyingKickVehicleMessage);
+@@ -246,4 +246,9 @@ public class PaperConfig {
+     private static void playerAutoSaveRate() {
+         playerAutoSaveRate = getInt("settings.player-auto-save-rate", -1);
      }
 +
 +    public static boolean removeInvalidStatistics = false;
@@ -19,7 +19,7 @@ index 3161dad..9e6071e 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/ServerStatisticManager.java b/src/main/java/net/minecraft/server/ServerStatisticManager.java
-index 99466db..d1bee02 100644
+index 99466dbde..d1bee0257 100644
 --- a/src/main/java/net/minecraft/server/ServerStatisticManager.java
 +++ b/src/main/java/net/minecraft/server/ServerStatisticManager.java
 @@ -104,6 +104,7 @@ public class ServerStatisticManager extends StatisticManager {
@@ -49,5 +49,5 @@ index 99466db..d1bee02 100644
          }
      }
 -- 
-2.9.3
+2.11.0
 

Spigot-Server-Patches/0193-Properly-fix-item-duplication-bug.patch

@@ -1,4 +1,4 @@
-From b078c9b21409986a6ee694001bafa9baf17a7212 Mon Sep 17 00:00:00 2001
+From 25b62826b3a8d49c0f3aa9fbc1b5e93d541288c4 Mon Sep 17 00:00:00 2001
 From: Alfie Cleveland <alfeh@me.com>
 Date: Tue, 27 Dec 2016 01:57:57 +0000
 Subject: [PATCH] Properly fix item duplication bug
@@ -6,10 +6,10 @@ Subject: [PATCH] Properly fix item duplication bug
 Credit to prplz for figuring out the real issue
 
 diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
-index 523d91675..60219f97c 100644
+index fa09ef111..c70390463 100644
 --- a/src/main/java/net/minecraft/server/EntityPlayer.java
 +++ b/src/main/java/net/minecraft/server/EntityPlayer.java
-@@ -1328,7 +1328,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+@@ -1329,7 +1329,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
  
      @Override
      protected boolean isFrozen() {