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PaperMC/patches/server/0340-Move-player-to-spawn-point-if-spawn-in-unloaded-worl.patch
Jake Potrebic c6aa61ee18
Updated Upstream (Bukkit/CraftBukkit/Spigot) ()
Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
b9df8e9f SPIGOT-7933: Improve custom Minecart max speed
fc496179 Fix InstrumentTest
7c0ec598 PR-1075: Make Art an interface
c389f5a4 PR-1074: Make Sound an interface

CraftBukkit Changes:
df1efc0bb SPIGOT-7945: `Bukkit#dispatchCommand` throws `UnsupportedOperationException`
285df6e85 SPIGOT-7933: Improve custom Minecart max speed
a0f3d4e50 SPIGOT-7940: Recipe book errors after reload
9e0618ec2 SPIGOT-7937: Cannot spawn minecart during world generation with minecart_improvements enabled
1eb4d28da SPIGOT-7941: Fix resistance over 4 amplify causing issues in damage
52b99158a PR-1504: Make Art an interface
e18ae35f1 PR-1502: Make Sound an interface

Spigot Changes:
e65d67a7 SPIGOT-7934: Item entities start "bouncing" under certain conditions
2024-11-04 18:42:38 +01:00

119 lines
6.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: 2277 <38501234+2277@users.noreply.github.com>
Date: Tue, 31 Mar 2020 10:33:55 +0100
Subject: [PATCH] Move player to spawn point if spawn in unloaded world
If the playerdata contains an invalid world (missing, unloaded, invalid,
etc.), spawn the player at the spawn point of the main world.
Co-authored-by: Wyatt Childers <wchilders@nearce.com>
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index ac5725230b04bc1a333863e251fe86580f909ea9..54de4e701adea123c0fdfb5787e951699305bb81 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -197,6 +197,7 @@ public abstract class PlayerList {
}
Optional<CompoundTag> optional = this.load(player); // CraftBukkit - decompile error
+ ResourceKey<Level> resourcekey = null; // Paper
// CraftBukkit start - Better rename detection
if (optional.isPresent()) {
CompoundTag nbttagcompound = optional.get();
@@ -206,19 +207,47 @@ public abstract class PlayerList {
}
}
// CraftBukkit end
- ResourceKey<Level> resourcekey = (ResourceKey) optional.flatMap((nbttagcompound) -> {
+ // Paper start - move logic in Entity to here, to use bukkit supplied world UUID & reset to main world spawn if no valid world is found
+ boolean[] invalidPlayerWorld = {false};
+ bukkitData: if (optional.isPresent()) {
+ // The main way for bukkit worlds to store the world is the world UUID despite mojang adding custom worlds
+ final org.bukkit.World bWorld;
+ if (optional.get().contains("WorldUUIDMost") && optional.get().contains("WorldUUIDLeast")) {
+ bWorld = org.bukkit.Bukkit.getServer().getWorld(new UUID(optional.get().getLong("WorldUUIDMost"), optional.get().getLong("WorldUUIDLeast")));
+ } else if (optional.get().contains("world", net.minecraft.nbt.Tag.TAG_STRING)) { // Paper - legacy bukkit world name
+ bWorld = org.bukkit.Bukkit.getServer().getWorld(optional.get().getString("world"));
+ } else {
+ break bukkitData; // if neither of the bukkit data points exist, proceed to the vanilla migration section
+ }
+ if (bWorld != null) {
+ resourcekey = ((CraftWorld) bWorld).getHandle().dimension();
+ } else {
+ resourcekey = Level.OVERWORLD;
+ invalidPlayerWorld[0] = true;
+ }
+ }
+ if (resourcekey == null) { // only run the vanilla logic if we haven't found a world from the bukkit data
+ // Below is the vanilla way of getting the dimension, this is for migration from vanilla servers
+ resourcekey = optional.flatMap((nbttagcompound) -> {
+ // Paper end
DataResult<ResourceKey<Level>> dataresult = DimensionType.parseLegacy(new Dynamic(NbtOps.INSTANCE, nbttagcompound.get("Dimension"))); // CraftBukkit - decompile error
Logger logger = PlayerList.LOGGER;
Objects.requireNonNull(logger);
- return dataresult.resultOrPartial(logger::error);
- }).orElse(player.serverLevel().dimension()); // CraftBukkit - SPIGOT-7507: If no dimension, fall back to existing dimension loaded from "WorldUUID", which in turn defaults to World.OVERWORLD
+ // Paper start - reset to main world spawn if no valid world is found
+ final Optional<ResourceKey<Level>> result = dataresult.resultOrPartial(logger::error);
+ invalidPlayerWorld[0] = result.isEmpty();
+ return result;
+ }).orElse(Level.OVERWORLD); // Paper - revert to vanilla default main world, this isn't an "invalid world" since no player data existed
+ }
+ // Paper end
ServerLevel worldserver = this.server.getLevel(resourcekey);
ServerLevel worldserver1;
if (worldserver == null) {
PlayerList.LOGGER.warn("Unknown respawn dimension {}, defaulting to overworld", resourcekey);
worldserver1 = this.server.overworld();
+ invalidPlayerWorld[0] = true; // Paper - reset to main world if no world with parsed value is found
} else {
worldserver1 = worldserver;
}
@@ -226,6 +255,10 @@ public abstract class PlayerList {
// Paper start - Entity#getEntitySpawnReason
if (optional.isEmpty()) {
player.spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT; // set Player SpawnReason to DEFAULT on first login
+ // Paper start - reset to main world spawn if first spawn or invalid world
+ }
+ if (optional.isEmpty() || invalidPlayerWorld[0]) {
+ // Paper end - reset to main world spawn if first spawn or invalid world
player.moveTo(player.adjustSpawnLocation(worldserver1, worldserver1.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F);
}
// Paper end - Entity#getEntitySpawnReason
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 01ea0f81aecbf642d238e6cf6409df2cc83000f3..416e76f2124aba0c9ad6e6ecb052e73a8b743f37 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2503,27 +2503,8 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
}
// CraftBukkit end
- // CraftBukkit start - Reset world
- if (this instanceof ServerPlayer) {
- Server server = Bukkit.getServer();
- org.bukkit.World bworld = null;
-
- // TODO: Remove World related checks, replaced with WorldUID
- String worldName = nbt.getString("world");
-
- if (nbt.contains("WorldUUIDMost") && nbt.contains("WorldUUIDLeast")) {
- UUID uid = new UUID(nbt.getLong("WorldUUIDMost"), nbt.getLong("WorldUUIDLeast"));
- bworld = server.getWorld(uid);
- } else {
- bworld = server.getWorld(worldName);
- }
-
- if (bworld == null) {
- bworld = ((org.bukkit.craftbukkit.CraftServer) server).getServer().getLevel(Level.OVERWORLD).getWorld();
- }
-
- ((ServerPlayer) this).setLevel(bworld == null ? null : ((CraftWorld) bworld).getHandle());
- }
+ // CraftBukkit start
+ // Paper - move world parsing/loading to PlayerList#placeNewPlayer
this.getBukkitEntity().readBukkitValues(nbt);
if (nbt.contains("Bukkit.invisible")) {
boolean bukkitInvisible = nbt.getBoolean("Bukkit.invisible");