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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.
54 lines
2.8 KiB
Diff
54 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 8 Oct 2020 00:00:25 -0400
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Subject: [PATCH] Fix "Not a string" Map Conversion spam
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The maps did convert successfully, but had noisy logs due to Spigot
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implementing this logic incorrectly.
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This stops the spam by converting the old format to new before
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requesting the world.
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Track spigot issue to see when fixed: https://hub.spigotmc.org/jira/browse/SPIGOT-6181
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diff --git a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
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index 5e469bd4d9ca428abdd9d758993164635dc86f27..d6a0a882331226c3ae4ced09e449eb7931740f8f 100644
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--- a/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
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+++ b/src/main/java/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
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@@ -21,6 +21,8 @@ import net.minecraft.core.component.DataComponents;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.nbt.ListTag;
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import net.minecraft.nbt.NbtOps;
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+import net.minecraft.nbt.NumericTag;
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+import net.minecraft.nbt.StringTag;
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import net.minecraft.nbt.Tag;
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import net.minecraft.network.FriendlyByteBuf;
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import net.minecraft.network.chat.Component;
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@@ -121,7 +123,26 @@ public class MapItemSavedData extends SavedData {
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}
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public static MapItemSavedData load(CompoundTag nbt, HolderLookup.Provider registryLookup) {
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- DataResult<ResourceKey<Level>> dataresult = DimensionType.parseLegacy(new Dynamic(NbtOps.INSTANCE, nbt.get("dimension"))); // CraftBukkit - decompile error
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+ // Paper start - fix "Not a string" spam
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+ Tag dimension = nbt.get("dimension");
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+ if (dimension instanceof NumericTag && ((NumericTag) dimension).getAsInt() >= CraftWorld.CUSTOM_DIMENSION_OFFSET) {
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+ long least = nbt.getLong("UUIDLeast");
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+ long most = nbt.getLong("UUIDMost");
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+
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+ if (least != 0L && most != 0L) {
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+ UUID uuid = new UUID(most, least);
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+ CraftWorld world = (CraftWorld) Bukkit.getWorld(uuid);
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+ if (world != null) {
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+ dimension = StringTag.valueOf("minecraft:" + world.getName().toLowerCase(java.util.Locale.ENGLISH));
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+ } else {
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+ dimension = StringTag.valueOf("bukkit:_invalidworld_");
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+ }
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+ } else {
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+ dimension = StringTag.valueOf("bukkit:_invalidworld_");
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+ }
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+ }
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+ DataResult<ResourceKey<Level>> dataresult = DimensionType.parseLegacy(new Dynamic(NbtOps.INSTANCE, dimension)); // CraftBukkit - decompile error
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+ // Paper end - fix "Not a string" spam
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Logger logger = MapItemSavedData.LOGGER;
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Objects.requireNonNull(logger);
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