geforkt von Mirrors/Paper
c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
28 Zeilen
1.8 KiB
Diff
28 Zeilen
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 11 Jan 2020 21:50:56 -0800
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Subject: [PATCH] Optimise EntityGetter#getPlayerByUUID
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Use the PlayerList map instead of iterating over all players
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index a6a21def1ae0d35fa106da6242c49a0928e4eda5..c85d5b941b5cb1c37cd2619d419006c5956f6eaf 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -330,6 +330,15 @@ public class ServerLevel extends Level implements WorldGenLevel {
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}
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// Paper end
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+ // Paper start - optimise getPlayerByUUID
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+ @Nullable
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+ @Override
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+ public Player getPlayerByUUID(UUID uuid) {
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+ final Player player = this.getServer().getPlayerList().getPlayer(uuid);
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+ return player != null && player.level() == this ? player : null;
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+ }
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+ // Paper end - optimise getPlayerByUUID
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+
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// Add env and gen to constructor, IWorldDataServer -> WorldDataServer
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public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PrimaryLevelData iworlddataserver, ResourceKey<Level> resourcekey, LevelStem worlddimension, ChunkProgressListener worldloadlistener, boolean flag, long i, List<CustomSpawner> list, boolean flag1, @Nullable RandomSequences randomsequences, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider) {
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// IRegistryCustom.Dimension iregistrycustom_dimension = minecraftserver.registryAccess(); // CraftBukkit - decompile error
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