Port lag compensation patch

patches/server/1037-Lag-compensation-ticks.patch

@@ -8,10 +8,10 @@ Areas affected by lag comepnsation:
  - Eating food items
 
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 6d7224787d328540319c76f904e00cbe96d53565..5df535aae94bbba940da5d21eb72afc945915f4c 100644
+index 330bee331335454a61cf8350a6654217c8124445..54e581db732c3a104142a2bbc228ecbe16aec0fc 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -315,6 +315,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -322,6 +322,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      public volatile Thread shutdownThread; // Paper
      public volatile boolean abnormalExit = false; // Paper
@@ -19,7 +19,7 @@ index 6d7224787d328540319c76f904e00cbe96d53565..5df535aae94bbba940da5d21eb72afc9
  
      public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
          AtomicReference<S> atomicreference = new AtomicReference();
-@@ -1754,6 +1755,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -1775,6 +1776,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
              worldserver.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - BlockPhysicsEvent
              worldserver.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper - Add EntityMoveEvent
              net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = worldserver.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper - Perf: Optimize Hoppers
@@ -28,13 +28,13 @@ index 6d7224787d328540319c76f904e00cbe96d53565..5df535aae94bbba940da5d21eb72afc9
              this.profiler.push(() -> {
                  String s = String.valueOf(worldserver);
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 05bf2094d10f924401eb122cd3fe4540aafce497..d4376ed215d97066a21e462fae2a0e25ad8a16a1 100644
+index 7ba34da235ea536b929e1c8bc2cc39e48b33f5aa..dafc35584d86ed1c18e4f328cb92523952664f73 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
-@@ -570,6 +570,17 @@ public class ServerLevel extends Level implements WorldGenLevel {
-         return player != null && player.level() == this ? player : null;
+@@ -518,6 +518,17 @@ public class ServerLevel extends Level implements WorldGenLevel, ca.spottedleaf.
+         return this.nearbyPlayers;
      }
-     // Paper end - optimise getPlayerByUUID
+     // Paper end - rewrite chunk system
 +    // Paper start - lag compensation
 +    private long lagCompensationTick = net.minecraft.server.MinecraftServer.SERVER_INIT;
 +
@@ -50,10 +50,10 @@ index 05bf2094d10f924401eb122cd3fe4540aafce497..d4376ed215d97066a21e462fae2a0e25
      // Add env and gen to constructor, IWorldDataServer -> WorldDataServer
      public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
 diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
-index c7efde4e2b87b14e768429748b01c1bce659682b..1047027610624c9ba4bb5afd5d7f0714a062b198 100644
+index 24b1715397ba8e6f5e9841a030d0e3d964356f89..cc01ead133cc6859ca5d7a1d0ac3c12955e590da 100644
 --- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
 +++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
-@@ -127,7 +127,7 @@ public class ServerPlayerGameMode {
+@@ -129,7 +129,7 @@ public class ServerPlayerGameMode {
      }
  
      public void tick() {
@@ -63,10 +63,10 @@ index c7efde4e2b87b14e768429748b01c1bce659682b..1047027610624c9ba4bb5afd5d7f0714
  
          if (this.hasDelayedDestroy) {
 diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index 81a8296e25275639718e0839888ac6a900b54bf3..4928dc3c879ddad0fe8c377b1b26e543a1c40cca 100644
+index 909accac7538e1c0c0c51deb2ee0605697c059d0..4c4050fe8f3b788481350caeb2077fa91be12060 100644
 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
 +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-@@ -3823,6 +3823,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
+@@ -3900,6 +3900,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
          this.resendPossiblyDesyncedDataValues(java.util.List.of(DATA_LIVING_ENTITY_FLAGS), serverPlayer);
      }
      // Paper end - Properly cancel usable items
@@ -77,7 +77,7 @@ index 81a8296e25275639718e0839888ac6a900b54bf3..4928dc3c879ddad0fe8c377b1b26e543
      private void updatingUsingItem() {
          if (this.isUsingItem()) {
              if (ItemStack.isSameItem(this.getItemInHand(this.getUsedItemHand()), this.useItem)) {
-@@ -3841,7 +3845,12 @@ public abstract class LivingEntity extends Entity implements Attackable {
+@@ -3918,7 +3922,12 @@ public abstract class LivingEntity extends Entity implements Attackable {
              this.triggerItemUseEffects(stack, 5);
          }
  
@@ -91,19 +91,19 @@ index 81a8296e25275639718e0839888ac6a900b54bf3..4928dc3c879ddad0fe8c377b1b26e543
              this.completeUsingItem();
          }
  
-@@ -3887,7 +3896,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
+@@ -3964,7 +3973,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
  
          if (!itemstack.isEmpty() && !this.isUsingItem() || forceUpdate) { // Paper - Prevent consuming the wrong itemstack
              this.useItem = itemstack;
--            this.useItemRemaining = itemstack.getUseDuration();
+-            this.useItemRemaining = itemstack.getUseDuration(this);
 +            // Paper start - lag compensate eating
-+            this.useItemRemaining = this.totalEatTimeTicks = itemstack.getUseDuration();
++            this.useItemRemaining = this.totalEatTimeTicks = itemstack.getUseDuration(this);
 +            this.eatStartTime = System.nanoTime();
 +            // Paper end - lag compensate eating
              if (!this.level().isClientSide) {
                  this.setLivingEntityFlag(1, true);
                  this.setLivingEntityFlag(2, hand == InteractionHand.OFF_HAND);
-@@ -3912,7 +3924,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
+@@ -3989,7 +4001,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
                  }
              } else if (!this.isUsingItem() && !this.useItem.isEmpty()) {
                  this.useItem = ItemStack.EMPTY;
@@ -115,7 +115,7 @@ index 81a8296e25275639718e0839888ac6a900b54bf3..4928dc3c879ddad0fe8c377b1b26e543
              }
          }
  
-@@ -4047,7 +4062,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
+@@ -4129,7 +4144,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
          }
  
          this.useItem = ItemStack.EMPTY;