Folia/patches/server/0012-Lag-compensate-block-b...

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2.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 10 Apr 2023 14:14:31 -0700
Subject: [PATCH] Lag compensate block breaking
Due to TPS catchup being removed, a lost tick will always
affect block breaking.
Additionally, constant low TPS would affect block breaking
in an intrusive manner to the user when there is no need
for that to occur.
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
index 41db6c61de36ebb1c214423dca0ba6a0c5a95cc1..65c4e158d81ac5c5788cf4dcb379061aebd23dcd 100644
--- a/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
@@ -432,11 +432,25 @@ public final class RegionizedWorldData {
return this.tickData;
}
+ // Folia start - lag compensation
+ public static final long SERVER_INIT = System.nanoTime();
+
+ private long lagCompensationTick;
+
+ public long getLagCompensationTick() {
+ return this.lagCompensationTick;
+ }
+ // Folia end - lag compensation
+
public void updateTickData() {
this.tickData = this.world.tickData;
this.hasPhysicsEvent = org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
this.hasEntityMoveEvent = io.papermc.paper.event.entity.EntityMoveEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
this.skipHopperEvents = this.world.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper
+ // Folia start - lag compensation
+ // always subtract from server init so that the tick starts at zero, allowing us to cast to int without much worry
+ this.lagCompensationTick = (System.nanoTime() - SERVER_INIT) / TickRegionScheduler.TIME_BETWEEN_TICKS;
+ // Folia end - lag compensation
}
// connections
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 82e9307e4c95edc30c9dd78cd3fefa8725140361..658effccd87cd4c940da806bcfccf47b28684d1e 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -124,7 +124,7 @@ public class ServerPlayerGameMode {
}
public void tick() {
- ++this.gameTicks; // CraftBukkit; // Folia - region threading
+ this.gameTicks = (int)this.level.getCurrentWorldData().getLagCompensationTick(); // CraftBukkit; // Folia - region threading // Folia - lag compensation
BlockState iblockdata;
if (this.hasDelayedDestroy) {