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47 lines
3.8 KiB
Diff
47 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
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Date: Fri, 13 Sep 2024 14:32:32 -0700
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Subject: [PATCH] PaperPR: Add ticket on player join to avoid chunk
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load-unload-load cycle
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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/11398
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Adding the entity will add and then immediately remove an entity load ticket, which would result in the chunk loading and then unloading before being loaded again once the player chunk loader reacts (delay can vary based on rate limit configs)
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By adding a ticket with a short removal delay we attempt to keep the chunk loaded until the player chunk loader reacts, but this is not a guarantee due to the aforementioned rate limit configs. Plugins should still handle load/unload events as normal, however this will reduce redundant calls.
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The delay is currently set to 2 seconds, however, we may want to adjust this before merging (for example the player chunk unload delay is 5 seconds)
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fixes Paper#9581
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diff --git a/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java b/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java
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index 3a78e7512772fd3f7cf8f221e3a72474def14bea..ba52af914e9e231caa0ac50562e9a6925908c615 100644
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--- a/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java
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+++ b/ca/spottedleaf/moonrise/patches/chunk_system/player/RegionizedPlayerChunkLoader.java
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@@ -48,6 +48,7 @@ public final class RegionizedPlayerChunkLoader {
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public static final TicketType PLAYER_TICKET = ChunkSystemTicketType.create("chunk_system:player_ticket", Long::compareTo);
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public static final TicketType PLAYER_TICKET_DELAYED = ChunkSystemTicketType.create("chunk_system:player_ticket_delayed", Long::compareTo, 5L * 20L);
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+ public static final TicketType PLAYER_JOIN = ChunkSystemTicketType.create("chunk_system:player_join", (a, b) -> 0, 5 * 20); // Paper - Add ticket on player join to avoid chunk load-unload-load cycle
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public static final int GENERATED_TICKET_LEVEL = ChunkHolderManager.FULL_LOADED_TICKET_LEVEL;
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public static final int LOADED_TICKET_LEVEL = ChunkTaskScheduler.getTicketLevel(ChunkStatus.EMPTY);
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diff --git a/net/minecraft/server/players/PlayerList.java b/net/minecraft/server/players/PlayerList.java
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index a1249d66c3693374b0f57c83302d05a7cbc2a306..2ea112ed64d5dc7c5eb365e7a518cf0e8dd4927f 100644
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--- a/net/minecraft/server/players/PlayerList.java
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+++ b/net/minecraft/server/players/PlayerList.java
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@@ -434,6 +434,13 @@ public abstract class PlayerList {
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// this.broadcastAll(ClientboundPlayerInfoUpdatePacket.createPlayerInitializing(List.of(player))); // CraftBukkit - replaced with loop below
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// Paper start - Fire PlayerJoinEvent when Player is actually ready; correctly register player BEFORE PlayerJoinEvent, so the entity is valid and doesn't require tick delay hacks
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player.supressTrackerForLogin = true;
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+ // Paper start - Add ticket on player join to avoid chunk load-unload-load cycle
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+ serverLevel.moonrise$getChunkTaskScheduler().chunkHolderManager.addTicketAtLevel(
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+ ca.spottedleaf.moonrise.patches.chunk_system.player.RegionizedPlayerChunkLoader.PLAYER_JOIN,
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+ player.chunkPosition(),
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+ ca.spottedleaf.moonrise.patches.chunk_system.player.RegionizedPlayerChunkLoader.TICK_TICKET_LEVEL,
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+ net.minecraft.util.Unit.INSTANCE);
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+ // Paper end - Add ticket on player join to avoid chunk load-unload-load cycle
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serverLevel.addNewPlayer(player);
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this.server.getCustomBossEvents().onPlayerConnect(player); // see commented out section below serverLevel.addPlayerJoin(player);
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// Paper end - Fire PlayerJoinEvent when Player is actually ready
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