69 lines
3.8 KiB
Diff
69 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrHua269 <mrhua269@gmail.com>
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Date: Fri, 1 May 2026 21:47:48 +0800
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Subject: [PATCH] Pufferfish: Reduce projectile chunk loading
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A part of Pufferfish(https://github.com/Pufferfish-gg/Pufferfish)
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Co-authored-by: Paul Sauve <paul@technove.co>
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Original patch: https://github.com/pufferfish-gg/Pufferfish/blob/ver/1.21/pufferfish-server/minecraft-patches/features/0006-Reduce-projectile-chunk-loading.patch
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Original license(GPL-3.0): https://github.com/pufferfish-gg/Pufferfish/blob/ver/1.21/PATCH-LICENSE
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diff --git a/io/papermc/paper/threadedregions/RegionizedWorldData.java b/io/papermc/paper/threadedregions/RegionizedWorldData.java
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index 53970fff0c119b190195e07823d5796a99de9c3b..08e4adac3425a94f9bcf5191883d333cfe5bf5c9 100644
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--- a/io/papermc/paper/threadedregions/RegionizedWorldData.java
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+++ b/io/papermc/paper/threadedregions/RegionizedWorldData.java
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@@ -402,6 +402,10 @@ public final class RegionizedWorldData {
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private RegionizedServer.WorldLevelData tickData;
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+ // Shiroha start - Pufferfish - Reduce projectile chunk loading
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+ public long pufferfish$loadedThisTick = 0L;
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+ public long pufferfish$loadedTick = 0L;
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+ // Shiroha end
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// connections
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private static final Connection[] EMPTY_CONNECTION_ARRAY = new Connection[0];
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private final ReferenceList<Connection> connections = new ReferenceList<>(EMPTY_CONNECTION_ARRAY);
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diff --git a/net/minecraft/world/entity/projectile/Projectile.java b/net/minecraft/world/entity/projectile/Projectile.java
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index 721e3b083846fd363a31311196bc4c681969215c..cc3aebbd42a876fcc982a9bf1c3dc1bd11f3a4e0 100644
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--- a/net/minecraft/world/entity/projectile/Projectile.java
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+++ b/net/minecraft/world/entity/projectile/Projectile.java
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@@ -58,6 +58,38 @@ public abstract class Projectile extends Entity implements TraceableEntity {
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this.setOwner(EntityReference.of(owner));
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}
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+ // Pufferfish start
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+ private int loadedLifetime = 0;
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+ @Override
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+ public void setPos(double x, double y, double z) {
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+ var currRegionData = io.papermc.paper.threadedregions.TickRegionScheduler.getCurrentRegionizedWorldData();
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+ // we might run this on a chunk system worker(chunk gen), so skip this check if no world data was fetched
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+ if (currRegionData == null || currRegionData.world != this.level()) {
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+ return;
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+ }
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+ long currentTick = currRegionData.getRedstoneGameTime();
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+ if (currRegionData.pufferfish$loadedTick != currentTick) {
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+ currRegionData.pufferfish$loadedTick = currentTick;
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+ currRegionData.pufferfish$loadedThisTick = 0L;
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+ }
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+ int previousX = Mth.floor(this.getX()) >> 4, previousZ = Mth.floor(this.getZ()) >> 4;
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+ int newX = Mth.floor(x) >> 4, newZ = Mth.floor(z) >> 4;
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+ if (previousX != newX || previousZ != newZ) {
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+ boolean isLoaded = ((net.minecraft.server.level.ServerChunkCache) this.level().getChunkSource()).getChunkAtIfLoadedImmediately(newX, newZ) != null;
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+ if (!isLoaded) {
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+ if (currRegionData.pufferfish$loadedThisTick > io.nanachiyo0721.shiroha.config.modules.optimizations.ProjectileChunkReduceConfig.maxProjectileLoadsPerTick) {
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+ if (++this.loadedLifetime > io.nanachiyo0721.shiroha.config.modules.optimizations.ProjectileChunkReduceConfig.maxProjectileLoadsPerProjectile) {
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+ this.discard();
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+ }
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+ return;
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+ }
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+ currRegionData.pufferfish$loadedThisTick++;
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+ }
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+ }
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+ super.setPos(x, y, z);
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+ }
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+ // Pufferfish end
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+
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// Folia start - region threading
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// In general, this is an entire mess. At the time of writing, there are fifty usages of getOwner.
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// Usage of this function is to avoid concurrency issues, even if it sacrifices behavior.
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