mirror of
https://github.com/BX-Team/DivineMC.git
synced 2025-12-19 14:59:25 +00:00
333 lines
19 KiB
Diff
333 lines
19 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
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Date: Thu, 27 Mar 2025 00:04:19 +0300
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Subject: [PATCH] Paper PR: Throttle failed spawn attempts
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Original license: GPLv3
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Original project: https://github.com/PaperMC/Paper
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Paper pull request: https://github.com/PaperMC/Paper/pull/11099
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Example config in paper-world-defaults.yml:
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```
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spawning-throttle:
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failed-attempts-threshold: 1200
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throttled-ticks-per-spawn:
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ambient: 10 # default value in bukkit.yml tickers-per * 10
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axolotls: 10
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creature: 4000
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monster: 10
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underground_water_creature: 10
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water_ambient: 10
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water_creature: 10
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```
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diff --git a/net/minecraft/world/level/NaturalSpawner.java b/net/minecraft/world/level/NaturalSpawner.java
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index 345d4b80bd4383e0fb66d744d87bc8ef4100fd32..68a074a1eb11b158af773a2c44aa49d5d8462080 100644
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--- a/net/minecraft/world/level/NaturalSpawner.java
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+++ b/net/minecraft/world/level/NaturalSpawner.java
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@@ -158,29 +158,52 @@ public final class NaturalSpawner {
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// Copied from getFilteredSpawningCategories
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int limit = mobCategory.getMaxInstancesPerChunk();
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org.bukkit.entity.SpawnCategory spawnCategory = org.bukkit.craftbukkit.util.CraftSpawnCategory.toBukkit(mobCategory);
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+ // Paper start - throttle failed spawn attempts
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+ boolean spawnThisTick = true;
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+ long ticksPerSpawn = level.ticksPerSpawnCategory.getLong(spawnCategory);
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+ long ticksPerSpawnTmp = ticksPerSpawn;
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+ io.papermc.paper.configuration.WorldConfiguration.Entities.Spawning.SpawningThrottle spawningThrottle = level.paperConfig().entities.spawning.spawningThrottle;
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+ if (spawningThrottle.failedAttemptsThreshold.test(threshold -> chunk.failedSpawnAttempts[mobCategory.ordinal()] > threshold)) {
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+ ticksPerSpawn = Math.max(ticksPerSpawn, spawningThrottle.throttledTicksPerSpawn.getOrDefault(mobCategory, -1));
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+ }
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+ // Paper end - throttle failed spawn attempts
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if (org.bukkit.craftbukkit.util.CraftSpawnCategory.isValidForLimits(spawnCategory)) {
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+ spawnThisTick = ticksPerSpawnTmp != 0 && level.getGameTime() % ticksPerSpawn == 0; // Paper - throttle failed spawn attempts
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limit = level.getWorld().getSpawnLimit(spawnCategory);
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}
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- // Apply per-player limit
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- int minDiff = Integer.MAX_VALUE;
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- final ca.spottedleaf.moonrise.common.list.ReferenceList<net.minecraft.server.level.ServerPlayer> inRange =
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- level.moonrise$getNearbyPlayers().getPlayers(chunk.getPos(), ca.spottedleaf.moonrise.common.misc.NearbyPlayers.NearbyMapType.TICK_VIEW_DISTANCE);
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- if (inRange != null) {
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- final net.minecraft.server.level.ServerPlayer[] backingSet = inRange.getRawDataUnchecked();
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- for (int k = 0, len = inRange.size(); k < len; k++) {
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- minDiff = Math.min(limit - level.getChunkSource().chunkMap.getMobCountNear(backingSet[k], mobCategory), minDiff);
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+ // Paper start - throttle failed spawn attempts
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+ if (!spawningThrottle.failedAttemptsThreshold.enabled() || spawnThisTick) {
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+ // Apply per-player limit
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+ int minDiff = Integer.MAX_VALUE;
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+ final ca.spottedleaf.moonrise.common.list.ReferenceList<net.minecraft.server.level.ServerPlayer> inRange =
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+ level.moonrise$getNearbyPlayers().getPlayers(chunk.getPos(), ca.spottedleaf.moonrise.common.misc.NearbyPlayers.NearbyMapType.TICK_VIEW_DISTANCE);
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+ if (inRange != null) {
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+ final net.minecraft.server.level.ServerPlayer[] backingSet = inRange.getRawDataUnchecked();
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+ for (int k = 0, len = inRange.size(); k < len; k++) {
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+ minDiff = Math.min(limit - level.getChunkSource().chunkMap.getMobCountNear(backingSet[k], mobCategory), minDiff);
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+ }
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}
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- }
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- maxSpawns = (minDiff == Integer.MAX_VALUE) ? 0 : minDiff;
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- canSpawn = maxSpawns > 0;
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+ maxSpawns = (minDiff == Integer.MAX_VALUE) ? 0 : minDiff;
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+ canSpawn = maxSpawns > 0;
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+ } else {
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+ canSpawn = false;
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+ }
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+ // Paper end - throttle failed spawn attempts
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} else {
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canSpawn = spawnState.canSpawnForCategoryLocal(mobCategory, chunk.getPos());
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}
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if (canSpawn) {
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- spawnCategoryForChunk(mobCategory, level, chunk, spawnState::canSpawn, spawnState::afterSpawn,
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- maxSpawns, level.paperConfig().entities.spawning.perPlayerMobSpawns ? level.getChunkSource().chunkMap::updatePlayerMobTypeMap : null);
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+ // Paper start - throttle failed spawn attempts
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+ int spawnCount = spawnCategoryForChunk(mobCategory, level, chunk, spawnState::canSpawn, spawnState::afterSpawn,
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+ maxSpawns, level.paperConfig().entities.spawning.perPlayerMobSpawns ? level.getChunkSource().chunkMap::updatePlayerMobTypeMap : null, false);
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+ if (spawnCount == 0) {
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+ chunk.failedSpawnAttempts[mobCategory.ordinal()]++;
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+ } else {
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+ chunk.failedSpawnAttempts[mobCategory.ordinal()] = 0;
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+ }
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+ // Paper end - throttle failed spawn attempts
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// Paper end - Optional per player mob spawns
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}
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}
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@@ -204,12 +227,21 @@ public final class NaturalSpawner {
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}
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public static void spawnCategoryForChunk(
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MobCategory category, ServerLevel level, LevelChunk chunk, NaturalSpawner.SpawnPredicate filter, NaturalSpawner.AfterSpawnCallback callback, final int maxSpawns, final Consumer<Entity> trackEntity
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+ // Paper start - throttle failed spawn attempts
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+ ) {
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+ spawnCategoryForChunk(category, level, chunk, filter, callback, maxSpawns, trackEntity, false);
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+ }
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+ public static int spawnCategoryForChunk(
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+ MobCategory category, ServerLevel level, LevelChunk chunk, NaturalSpawner.SpawnPredicate filter, NaturalSpawner.AfterSpawnCallback callback, final int maxSpawns, final Consumer<Entity> trackEntity, final boolean nothing
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+ // Paper end - throttle failed spawn attempts
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) {
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// Paper end - Optional per player mob spawns
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BlockPos randomPosWithin = getRandomPosWithin(level, chunk);
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if (randomPosWithin.getY() >= level.getMinY() + 1) {
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- spawnCategoryForPosition(category, level, chunk, randomPosWithin, filter, callback, maxSpawns, trackEntity); // Paper - Optional per player mob spawns
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+ return spawnCategoryForPosition(category, level, chunk, randomPosWithin, filter, callback, maxSpawns, trackEntity, false); // Paper - Optional per player mob spawns // Paper - throttle failed spawn attempts
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}
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+
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+ return 0; // Paper - throttle failed spawn attempts
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}
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@VisibleForDebug
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@@ -229,16 +261,22 @@ public final class NaturalSpawner {
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}
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public static void spawnCategoryForPosition(
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MobCategory category, ServerLevel level, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate filter, NaturalSpawner.AfterSpawnCallback callback, final int maxSpawns, final @Nullable Consumer<Entity> trackEntity
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+ // Paper start - throttle failed spawn attempts
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+ ) {
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+ spawnCategoryForPosition(category, level, chunk, pos, filter, callback, maxSpawns, trackEntity, false);
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+ }
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+ public static int spawnCategoryForPosition(
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+ MobCategory category, ServerLevel level, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate filter, NaturalSpawner.AfterSpawnCallback callback, final int maxSpawns, final @Nullable Consumer<Entity> trackEntity, final boolean nothing
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+ // Paper end - throttle failed spawn attempts
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) {
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// Paper end - Optional per player mob spawns
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StructureManager structureManager = level.structureManager();
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ChunkGenerator generator = level.getChunkSource().getGenerator();
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int y = pos.getY();
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+ int i = 0; // Paper - throttle failed spawn attempts
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BlockState blockState = level.getBlockStateIfLoadedAndInBounds(pos); // Paper - don't load chunks for mob spawn
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if (blockState != null && !blockState.isRedstoneConductor(chunk, pos)) { // Paper - don't load chunks for mob spawn
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BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos();
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- int i = 0;
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-
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for (int i1 = 0; i1 < 3; i1++) {
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int x = pos.getX();
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int z = pos.getZ();
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@@ -278,14 +316,14 @@ public final class NaturalSpawner {
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}
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// Paper end - per player mob count backoff
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if (doSpawning == PreSpawnStatus.ABORT) {
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- return;
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+ return i; // Paper - throttle failed spawn attempts
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}
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if (doSpawning == PreSpawnStatus.SUCCESS
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// Paper end - PreCreatureSpawnEvent
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&& filter.test(spawnerData.type(), mutableBlockPos, chunk)) {
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Mob mobForSpawn = getMobForSpawn(level, spawnerData.type());
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if (mobForSpawn == null) {
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- return;
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+ return i; // Paper - throttle failed spawn attempts
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}
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mobForSpawn.snapTo(d, y, d1, level.random.nextFloat() * 360.0F, 0.0F);
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@@ -308,7 +346,7 @@ public final class NaturalSpawner {
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}
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// CraftBukkit end
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if (i >= mobForSpawn.getMaxSpawnClusterSize() || i >= maxSpawns) { // Paper - Optional per player mob spawns
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- return;
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+ return i; // Paper - throttle failed spawn attempts
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}
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if (mobForSpawn.isMaxGroupSizeReached(i3)) {
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@@ -321,6 +359,8 @@ public final class NaturalSpawner {
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}
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}
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}
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+
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+ return i; // Paper - throttle failed spawn attempts
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}
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private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel level, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double distance) {
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diff --git a/net/minecraft/world/level/chunk/ChunkAccess.java b/net/minecraft/world/level/chunk/ChunkAccess.java
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index 42458418e6217adba28f729f04904814542eaa17..d4f95214ffbdedfee9e22f4a76d207ba538c6557 100644
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--- a/net/minecraft/world/level/chunk/ChunkAccess.java
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+++ b/net/minecraft/world/level/chunk/ChunkAccess.java
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@@ -91,6 +91,7 @@ public abstract class ChunkAccess implements BiomeManager.NoiseBiomeSource, Ligh
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public org.bukkit.craftbukkit.persistence.DirtyCraftPersistentDataContainer persistentDataContainer = new org.bukkit.craftbukkit.persistence.DirtyCraftPersistentDataContainer(ChunkAccess.DATA_TYPE_REGISTRY);
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// CraftBukkit end
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public final Registry<Biome> biomeRegistry; // CraftBukkit
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+ public final long[] failedSpawnAttempts = new long[net.minecraft.world.entity.MobCategory.values().length]; // Paper - throttle failed spawn attempts
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// Paper start - rewrite chunk system
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private volatile ca.spottedleaf.moonrise.patches.starlight.light.SWMRNibbleArray[] blockNibbles;
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diff --git a/net/minecraft/world/level/chunk/storage/SerializableChunkData.java b/net/minecraft/world/level/chunk/storage/SerializableChunkData.java
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index 749096358fccbd5d1d13801092255c51096eb001..23b54c108c99b40f8ac8a695b18525a4f349c4a7 100644
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--- a/net/minecraft/world/level/chunk/storage/SerializableChunkData.java
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+++ b/net/minecraft/world/level/chunk/storage/SerializableChunkData.java
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@@ -92,6 +92,7 @@ public record SerializableChunkData(
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List<CompoundTag> blockEntities,
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CompoundTag structureData
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, @Nullable net.minecraft.nbt.Tag persistentDataContainer // CraftBukkit - persistentDataContainer
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+ , @Nullable long[] failedSpawnAttempts // Paper - throttle failed spawn attempts
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) {
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public static final Codec<PalettedContainer<BlockState>> BLOCK_STATE_CODEC = PalettedContainer.codecRW(
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Block.BLOCK_STATE_REGISTRY, BlockState.CODEC, PalettedContainer.Strategy.SECTION_STATES, Blocks.AIR.defaultBlockState(), null // Paper - Anti-Xray
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@@ -188,6 +189,19 @@ public record SerializableChunkData(
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lists[i] = list2;
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}
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+ // Paper start - throttle failed spawn attempts
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+ long[] failedSpawnAttemptsData = null;
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+ if (tag.contains("Paper.FailedSpawnAttempts")) {
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+ failedSpawnAttemptsData = new long[net.minecraft.world.entity.MobCategory.values().length];
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+ CompoundTag failedSpawnAttemptsTag = tag.getCompoundOrEmpty("Paper.FailedSpawnAttempts");
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+ for (net.minecraft.world.entity.MobCategory mobCategory : net.minecraft.world.level.NaturalSpawner.SPAWNING_CATEGORIES) {
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+ if (failedSpawnAttemptsTag.contains(mobCategory.getSerializedName())) {
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+ failedSpawnAttemptsData[mobCategory.ordinal()] = failedSpawnAttemptsTag.getLongOr(mobCategory.getSerializedName(), 0);
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+ }
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+ }
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+ }
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+ // Paper end - throttle failed spawn attempts
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+
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List<CompoundTag> list3 = tag.getList("entities").stream().flatMap(ListTag::compoundStream).toList();
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List<CompoundTag> list4 = tag.getList("block_entities").stream().flatMap(ListTag::compoundStream).toList();
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CompoundTag compoundOrEmpty = tag.getCompoundOrEmpty("structures");
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@@ -268,6 +282,7 @@ public record SerializableChunkData(
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list4,
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compoundOrEmpty
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, tag.get("ChunkBukkitValues") // CraftBukkit - ChunkBukkitValues
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+ , failedSpawnAttemptsData // Paper - throttle failed spawn attempts
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);
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}
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}
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@@ -424,6 +439,15 @@ public record SerializableChunkData(
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chunkAccess.addPackedPostProcess(this.postProcessingSections[i], i);
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}
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+ // Paper start - throttle failed spawn attempts
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+ long[] failedSpawnAttemptsData = this.failedSpawnAttempts;
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+ if (failedSpawnAttemptsData != null) {
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+ for (net.minecraft.world.entity.MobCategory mobCategory : net.minecraft.world.entity.MobCategory.values()) {
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+ System.arraycopy(failedSpawnAttemptsData, 0, chunkAccess.failedSpawnAttempts, 0, failedSpawnAttemptsData.length);
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+ }
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+ }
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+ // Paper end - throttle failed spawn attempts
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+
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if (chunkType == ChunkType.LEVELCHUNK) {
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return this.loadStarlightLightData(level, new ImposterProtoChunk((LevelChunk)chunkAccess, false)); // Paper - starlight
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} else {
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@@ -554,6 +578,7 @@ public record SerializableChunkData(
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persistentDataContainer = chunk.persistentDataContainer.toTagCompound();
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}
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// CraftBukkit end
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+ final long[] failedSpawnAttemptsData = chunk.failedSpawnAttempts; // Paper - throttle failed spawn attempts
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return new SerializableChunkData(
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level.registryAccess().lookupOrThrow(Registries.BIOME),
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pos,
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@@ -574,6 +599,7 @@ public record SerializableChunkData(
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list1,
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compoundTag
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, persistentDataContainer // CraftBukkit - persistentDataContainer
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+ , failedSpawnAttemptsData // Paper - throttle failed spawn attempts
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);
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}
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}
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@@ -658,6 +684,21 @@ public record SerializableChunkData(
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compoundTag.put("ChunkBukkitValues", this.persistentDataContainer);
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}
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// CraftBukkit end
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+ // Paper start - throttle failed spawn attempts
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+ CompoundTag failedSpawnAttemptsTag = new CompoundTag();
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+ long[] failedSpawnAttemptsData = this.failedSpawnAttempts;
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+ if (failedSpawnAttemptsData != null) {
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+ for (net.minecraft.world.entity.MobCategory mobCategory : net.minecraft.world.entity.MobCategory.values()) {
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+ long failedAttempts = failedSpawnAttemptsData[mobCategory.ordinal()];
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+ if (failedAttempts > 0) {
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+ failedSpawnAttemptsTag.putLong(mobCategory.getSerializedName(), failedAttempts);
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+ }
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+ }
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+ }
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+ if (!failedSpawnAttemptsTag.isEmpty()) {
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+ compoundTag.put("Paper.FailedSpawnAttempts", failedSpawnAttemptsTag);
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+ }
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+ // Paper end - throttle failed spawn attempts
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// Paper start - starlight
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if (this.lightCorrect && !this.chunkStatus.isBefore(net.minecraft.world.level.chunk.status.ChunkStatus.LIGHT)) {
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// clobber vanilla value to force vanilla to relight
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@@ -865,4 +906,49 @@ public record SerializableChunkData(
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}
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// Paper end - starlight - convert from record
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}
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+
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+ // Paper start - throttle failed spawn attempts - for plugin compatibility
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+ public SerializableChunkData(
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+ Registry<Biome> biomeRegistry,
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+ ChunkPos chunkPos,
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+ int minSectionY,
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+ long lastUpdateTime,
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+ long inhabitedTime,
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+ ChunkStatus chunkStatus,
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+ @Nullable BlendingData.Packed blendingData,
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+ @Nullable BelowZeroRetrogen belowZeroRetrogen,
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+ UpgradeData upgradeData,
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+ @Nullable long[] carvingMask,
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+ Map<Heightmap.Types, long[]> heightmaps,
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+ ChunkAccess.PackedTicks packedTicks,
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+ ShortList[] postProcessingSections,
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+ boolean lightCorrect,
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+ List<net.minecraft.world.level.chunk.storage.SerializableChunkData.SectionData> sectionData,
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+ List<CompoundTag> entities,
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+ List<CompoundTag> blockEntities,
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+ CompoundTag structureData,
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+ @Nullable net.minecraft.nbt.Tag persistentDataContainer // CraftBukkit - persistentDataContainer
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+ ) {
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+ this(biomeRegistry,
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+ chunkPos,
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+ minSectionY,
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+ lastUpdateTime,
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+ inhabitedTime,
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+ chunkStatus,
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+ blendingData,
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+ belowZeroRetrogen,
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+ upgradeData,
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+ carvingMask,
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+ heightmaps,
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+ packedTicks,
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+ postProcessingSections,
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+ lightCorrect,
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+ sectionData,
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+ entities,
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+ blockEntities,
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+ structureData,
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+ persistentDataContainer,
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+ null);
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+ }
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+ // Paper end - throttle failed spawn attempts
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}
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