Do not fire teleport or respawn events anymore

2026-08-17 12:24:18 +08:00
parent 50e9fe5eba
commit 376e02f880
82 changed files with 23 additions and 4 deletions
@@ -0,0 +1,130 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: MrHua269 <mrhua269@gmail.com>
+Date: Thu, 9 Jul 2026 10:17:22 +0800
+Subject: [PATCH] Add portal rate limiter
+
+
+diff --git a/io/papermc/paper/threadedregions/RegionizedWorldData.java b/io/papermc/paper/threadedregions/RegionizedWorldData.java
+index fbbc05e946b72da1079271810fdb3034510c6280..c04dbcd615c97cb6dcb5f14fec88daf73e6e9b4a 100644
+--- a/io/papermc/paper/threadedregions/RegionizedWorldData.java
+++ b/io/papermc/paper/threadedregions/RegionizedWorldData.java
+@@ -154,6 +154,10 @@ public final class RegionizedWorldData {
+             for (final ChunkHolder chunkHolder : from.chunkHoldersToBroadcast) {
+                 into.chunkHoldersToBroadcast.add(chunkHolder);
+             }
+            // Shiroha start - Add portal rate limiter
+            into.portalRateThrottler.mergeWith(from.portalRateThrottler);
+            from.portalRateThrottler.destroy();
+            // Shiroha end
+         }
+ 
+         @Override
+@@ -316,6 +320,12 @@ public final class RegionizedWorldData {
+                     into.chunkHoldersToBroadcast.add(chunkHolder);
+                 }
+             }
+            // Shiroha start - Add portal rate limiter
+            for (var worldData : dataSet) {
+                from.portalRateThrottler.splitInto(worldData.portalRateThrottler);
+            }
+            from.portalRateThrottler.destroy();
+            // Shiroha end
+         }
+     };
+ 
+@@ -338,6 +348,35 @@ public final class RegionizedWorldData {
+         return this.isHandlingTick;
+     }
+ 
+    // Shiroha start - Add portal rate limiter
+    public final io.nanachiyo0721.shiroha.utils.RateThrottler portalRateThrottler = new io.nanachiyo0721.shiroha.utils.RateThrottler();
+    public final net.objecthunter.exp4j.Expression portalRateCapExpression = io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.getExpressionIfConfigured();
+
+    private int computePortalRateCap() {
+        // expression mode is disabled
+        if (this.portalRateCapExpression == null) {
+            return io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.maxPortalTeleportsPerTick;
+        }
+
+        final int tickingEntityCount = this.entityTickList.size();
+        final int tickingChunkCount = this.tickingChunks.size();
+        final int playerCount = this.localPlayers.size();
+
+        return io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.computeExpression(
+                this.portalRateCapExpression,
+                tickingEntityCount,
+                tickingChunkCount,
+                playerCount
+        );
+    }
+    public boolean isPortalTeleportationOutOfRate() {
+        if (!io.nanachiyo0721.shiroha.config.modules.function.PortalRateLimiterConfig.enabled) {
+            return false;
+        }
+
+        return this.portalRateThrottler.isOutOfRate(this.computePortalRateCap());
+    }
+    // Shiroha end
+     // entities
+     // this is copy on write to allow packet processing to iterate safely
+     private final CopyOnWriteArrayList<ServerPlayer> localPlayers = new CopyOnWriteArrayList<>();
+diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
+index 28f5c28bdf9a3090b98451e559f807c4364ea259..170ff99a055d7ea582d6a18ef6acd57269d943c4 100644
+--- a/net/minecraft/server/MinecraftServer.java
+++ b/net/minecraft/server/MinecraftServer.java
+@@ -1938,6 +1938,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+             //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
+             profiler.push(() -> level + " " + level.dimension().identifier());
+             profiler.push("tick");
+            // Shiroha start - Add portal rate limiter
+            regionizedWorldData.portalRateThrottler.begin();
+            // Shiroha end
+ 
+             try {
+                 foliaProfiler.startTimer(level.tickTimerId); try { // Folia - profiler
+@@ -1952,6 +1955,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+             profiler.pop();
+             profiler.pop();
+             regionizedWorldData.explosionDensityCache.clear(); // Paper - Optimize explosions // Folia - region threading
+            // Shiroha start - Add portal rate limiter
+            regionizedWorldData.portalRateThrottler.done();
+            // Shiroha end
+         }
+         //this.isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked // Folia - region threading
+ 
+diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
+index 553395d07ec436280ff1415564ece10f544a37e7..4e1a035f8797196c765f59553ff3a0c9749bacfb 100644
+--- a/net/minecraft/server/level/ServerLevel.java
+++ b/net/minecraft/server/level/ServerLevel.java
+@@ -1534,8 +1534,15 @@ public class ServerLevel extends Level implements WorldGenLevel, ServerEntityGet
+             // removed from region while ticking
+             return;
+         }
+        // Shiroha start - Add portal rate limiter
+        var worldData = entity.level().getCurrentWorldData();
+        if (entity.portalProcess != null && worldData.isPortalTeleportationOutOfRate()) {
+            return;
+        }
+        // Shiroha end
+         if (entity.handlePortal()) {
+             // portalled
+            worldData.portalRateThrottler.increase(); // Shiroha - Add portal rate limiter
+             return;
+         }
+         }
+@@ -1579,8 +1586,15 @@ public class ServerLevel extends Level implements WorldGenLevel, ServerEntityGet
+                 // removed from region while ticking
+                 return;
+             }
+            // Shiroha start - Add portal rate limiter
+            var worldData = entity.level().getCurrentWorldData();
+            if (entity.portalProcess != null && worldData.isPortalTeleportationOutOfRate()) {
+                return;
+            }
+            // Shiroha end
+             if (entity.handlePortal()) {
+                 // portalled
+                worldData.portalRateThrottler.increase(); // Shiroha - Add portal rate limiter
+                 return;
+             }
+             // Folia end - region threading