131 lines
6.4 KiB
Diff
131 lines
6.4 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: Thu, 9 Jul 2026 10:17:22 +0800
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Subject: [PATCH] Add portal rate limiter
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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 f32d118e1e925b2155cef3fcdcb1e194c541e242..fe17157c4c6fc9ec745c5c11f6837e715d7949ab 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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@@ -157,6 +157,10 @@ public final class RegionizedWorldData {
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for (final ChunkHolder chunkHolder : from.chunkHoldersToBroadcast) {
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into.chunkHoldersToBroadcast.add(chunkHolder);
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}
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+ // Shiroha start - Add portal rate limiter
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+ into.portalRateThrottler.mergeWith(from.portalRateThrottler);
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+ from.portalRateThrottler.destroy();
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+ // Shiroha end
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}
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@Override
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@@ -322,6 +326,12 @@ public final class RegionizedWorldData {
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into.chunkHoldersToBroadcast.add(chunkHolder);
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}
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}
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+ // Shiroha start - Add portal rate limiter
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+ for (var worldData : dataSet) {
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+ from.portalRateThrottler.splitInto(worldData.portalRateThrottler);
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+ }
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+ from.portalRateThrottler.destroy();
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+ // Shiroha end
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}
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};
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@@ -343,6 +353,35 @@ public final class RegionizedWorldData {
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return this.isHandlingTick;
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}
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+ // Shiroha start - Add portal rate limiter
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+ public final io.nanachiyo0721.shiroha.utils.RateThrottler portalRateThrottler = new io.nanachiyo0721.shiroha.utils.RateThrottler();
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+ public final net.objecthunter.exp4j.Expression portalRateCapExpression = io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.getExpressionIfConfigured();
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+
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+ private int computePortalRateCap() {
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+ // expression mode is disabled
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+ if (this.portalRateCapExpression == null) {
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+ return io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.maxPortalTeleportsPerTick;
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+ }
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+
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+ final int tickingEntityCount = this.entityTickList.size();
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+ final int tickingChunkCount = this.tickingChunks.size();
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+ final int playerCount = this.localPlayers.size();
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+
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+ return io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.computeExpression(
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+ this.portalRateCapExpression,
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+ tickingEntityCount,
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+ tickingChunkCount,
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+ playerCount
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+ );
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+ }
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+ public boolean isPortalTeleportationOutOfRate() {
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+ if (!io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.enabled) {
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+ return false;
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+ }
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+
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+ return this.portalRateThrottler.isOutOfRate(this.computePortalRateCap());
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+ }
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+ // Shiroha end
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// entities
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// this is copy on write to allow packet processing to iterate safely
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private final CopyOnWriteArrayList<ServerPlayer> localPlayers = new CopyOnWriteArrayList<>();
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diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
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index cdb1647146f526dc80b15a09d3a936b5dbc54ba3..4ce5bdd16b04f76c2e98a5465343a82ed5f28ab7 100644
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--- a/net/minecraft/server/MinecraftServer.java
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+++ b/net/minecraft/server/MinecraftServer.java
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@@ -1922,6 +1922,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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//net.minecraft.world.level.block.entity.HopperBlockEntity.skipHopperEvents = level.paperConfig().hopper.disableMoveEvent || org.bukkit.event.inventory.InventoryMoveItemEvent.getHandlerList().getRegisteredListeners().length == 0; // Paper - Perf: Optimize Hoppers // Folia - region threading
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profiler.push(() -> level + " " + level.dimension().identifier());
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profiler.push("tick");
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+ // Shiroha start - Add portal rate limiter
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+ regionizedWorldData.portalRateThrottler.begin();
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+ // Shiroha end
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try {
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foliaProfiler.startTimer(level.tickTimerId); try { // Folia - profiler
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@@ -1936,6 +1939,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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profiler.pop();
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profiler.pop();
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regionizedWorldData.explosionDensityCache.clear(); // Paper - Optimize explosions // Folia - region threading
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+ // Shiroha start - Add portal rate limiter
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+ regionizedWorldData.portalRateThrottler.done();
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+ // Shiroha end
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}
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//this.isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked // Folia - region threading
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diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
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index 0097c55adf5578f425b476b3498db1c701189e4b..1a0e5fbc823c328d16f48f2df4507bf240915c79 100644
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--- a/net/minecraft/server/level/ServerLevel.java
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+++ b/net/minecraft/server/level/ServerLevel.java
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@@ -1535,8 +1535,15 @@ public class ServerLevel extends Level implements WorldGenLevel, ServerEntityGet
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// removed from region while ticking
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return;
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}
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+ // Shiroha start - Add portal rate limiter
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+ var worldData = entity.level().getCurrentWorldData();
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+ if (entity.portalProcess != null && worldData.isPortalTeleportationOutOfRate()) {
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+ return;
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+ }
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+ // Shiroha end
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if (entity.handlePortal()) {
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// portalled
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+ worldData.portalRateThrottler.increase(); // Shiroha - Add portal rate limiter
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return;
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}
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}
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@@ -1580,8 +1587,15 @@ public class ServerLevel extends Level implements WorldGenLevel, ServerEntityGet
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// removed from region while ticking
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return;
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}
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+ // Shiroha start - Add portal rate limiter
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+ var worldData = entity.level().getCurrentWorldData();
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+ if (entity.portalProcess != null && worldData.isPortalTeleportationOutOfRate()) {
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+ return;
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+ }
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+ // Shiroha end
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if (entity.handlePortal()) {
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// portalled
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+ worldData.portalRateThrottler.increase(); // Shiroha - Add portal rate limiter
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return;
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}
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// Folia end - region threading
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