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Fix Per World Difficulty / Remembering Difficulty

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Fixes per world difficulty with /difficulty command and also
makes it so that the server keeps the last difficulty used instead
of restoring the server.properties every single load.
This commit is contained in:
Aikar 2020-06-28 04:01:01 -04:00
parent 20e92f90d4
commit 3a77cce3c9
No known key found for this signature in database
GPG key ID: 401ADFC9891FAAFE
2 changed files with 80 additions and 2 deletions
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5
Spigot-Server-Patches/0448-Improved-Watchdog-Support.patch
View file

@ -331,7 +331,7 @@ index b1cf9fac28031b7f8051a0d1d5d7ce63b06d5f2d..3a46076a125bbfa19ca8a22dc5ab71fd
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 438e86595760be233e89c49224963e5e8ce335e3..43a763746f6eb72ae93c9b376e458edf6d86be36 100644
index 438e86595760be233e89c49224963e5e8ce335e3..894552adf119037e97c7de27d783920db580f62b 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -150,6 +150,37 @@ public class Main {
@ -372,7 +372,7 @@ index 438e86595760be233e89c49224963e5e8ce335e3..43a763746f6eb72ae93c9b376e458edf
try {
options = parser.parse(args);
} catch (joptsimple.OptionException ex) {
@@ -245,8 +276,62 @@ public class Main {
@@ -245,8 +276,63 @@ public class Main {
} catch (Throwable t) {
t.printStackTrace();
}
@ -412,6 +412,7 @@ index 438e86595760be233e89c49224963e5e8ce335e3..43a763746f6eb72ae93c9b376e458edf
+ tryPreloadClass("org.slf4j.helpers.BasicMarker");
+ tryPreloadClass("org.slf4j.helpers.Util");
+ tryPreloadClass("com.destroystokyo.paper.event.player.PlayerConnectionCloseEvent");
+ tryPreloadClass("com.destroystokyo.paper.event.entity.EntityRemoveFromWorldEvent");
+ // Minecraft, seen during saving
+ tryPreloadClass("net.minecraft.server.LightEngineLayerEventListener$Void");
+ tryPreloadClass("net.minecraft.server.LightEngineLayerEventListener");

77
Spigot-Server-Patches/0524-Fix-Per-World-Difficulty-Remembering-Difficulty.patch Normal file
View file

@ -0,0 +1,77 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 28 Jun 2020 03:59:10 -0400
Subject: [PATCH] Fix Per World Difficulty / Remembering Difficulty
Fixes per world difficulty with /difficulty command and also
makes it so that the server keeps the last difficulty used instead
of restoring the server.properties every single load.
diff --git a/src/main/java/net/minecraft/server/CommandDifficulty.java b/src/main/java/net/minecraft/server/CommandDifficulty.java
index bc71070c670d1a64c60b9f19711a5e8a50ace56e..9efc743e028650ccc9cda5a2c9deb1836253b91d 100644
--- a/src/main/java/net/minecraft/server/CommandDifficulty.java
+++ b/src/main/java/net/minecraft/server/CommandDifficulty.java
@@ -36,10 +36,11 @@ public class CommandDifficulty {
public static int a(CommandListenerWrapper commandlistenerwrapper, EnumDifficulty enumdifficulty) throws CommandSyntaxException {
MinecraftServer minecraftserver = commandlistenerwrapper.getServer();
- if (minecraftserver.getSaveData().getDifficulty() == enumdifficulty) {
+ WorldServer world = commandlistenerwrapper.getWorld(); // Paper
+ if (world.worldDataServer.getDifficulty() == enumdifficulty) { // Paper
throw CommandDifficulty.a.create(enumdifficulty.c());
} else {
- minecraftserver.a(enumdifficulty, true);
+ minecraftserver.a(world, enumdifficulty, true); // Paper
commandlistenerwrapper.sendMessage(new ChatMessage("commands.difficulty.success", new Object[]{enumdifficulty.b()}), true);
return 0;
}
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index 4c561181a977fd0244325880bb6a8cd6a54dcacc..8b2755a3b95e472e884976195d1d3551fc260e39 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -327,7 +327,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
@Override
public void updateWorldSettings() {
- this.a(this.getDedicatedServerProperties().difficulty, true);
+ //this.a(this.getDedicatedServerProperties().difficulty, true); // Paper - Don't overwrite level.dat's difficulty, keep current
}
@Override
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index b474f45b6d551e45f8894b3971baade33b6ccd0f..5c862de2f240a241153d90a01042664b4f05cb91 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1519,11 +1519,14 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.H = keypair;
}
- public void a(EnumDifficulty enumdifficulty, boolean flag) {
- if (flag || !this.saveData.isDifficultyLocked()) {
- this.saveData.setDifficulty(this.saveData.isHardcore() ? EnumDifficulty.HARD : enumdifficulty);
- this.ba();
- this.getPlayerList().getPlayers().forEach(this::a);
+ // Paper start - fix per world difficulty
+ public void a(WorldServer world, EnumDifficulty enumdifficulty, boolean flag) {
+ WorldDataServer worldData = world.worldDataServer;
+ if (flag || !worldData.isDifficultyLocked()) {
+ worldData.setDifficulty(worldData.isHardcore() ? EnumDifficulty.HARD : enumdifficulty);
+ world.setSpawnFlags(worldData.getDifficulty() != EnumDifficulty.PEACEFUL && ((DedicatedServer)this).propertyManager.getProperties().spawnMonsters, this.getSpawnAnimals());
+ //world.players.forEach(this::a);
+ // Paper end
}
}
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 3481991870c1237ed207654a41827791c8017717..5765e0f040aa6d581342063ee2781e949d42f71f 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -2780,7 +2780,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
public void a(PacketPlayInDifficultyChange packetplayindifficultychange) {
PlayerConnectionUtils.ensureMainThread(packetplayindifficultychange, this, this.player.getWorldServer());
if (this.player.k(2) || this.isExemptPlayer()) {
- this.minecraftServer.a(packetplayindifficultychange.b(), false);
+ //this.minecraftServer.a(packetplayindifficultychange.b(), false); // Paper - don't allow clients to change this
}
}