87 lines
5.3 KiB
Diff
87 lines
5.3 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: Sun, 28 Jun 2020 03:59:10 -0400
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Subject: [PATCH] Fix Per World Difficulty / Remembering Difficulty
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Fixes per world difficulty with /difficulty command and also
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makes it so that the server keeps the last difficulty used instead
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of restoring the server.properties every single load.
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 69476bb6bca963c5ea88a7cc66622ae599595e62..afdbbe62eba7b4f0ad63c5126c6d21488c4e9a7a 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -1647,11 +1647,15 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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}
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}
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- public void a(EnumDifficulty enumdifficulty, boolean flag) {
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- if (flag || !this.saveData.isDifficultyLocked()) {
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- this.saveData.setDifficulty(this.saveData.isHardcore() ? EnumDifficulty.HARD : enumdifficulty);
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- this.updateSpawnFlags();
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- this.getPlayerList().getPlayers().forEach(this::b);
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+ // Paper start - fix per world difficulty
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+ public void setWorldDifficulty(WorldServer world, EnumDifficulty enumdifficulty, boolean forcefullySet) { this.a(world, enumdifficulty, forcefullySet); }
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+ public void a(WorldServer world, EnumDifficulty enumdifficulty, boolean flag) {
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+ WorldDataServer worldData = world.worldDataServer;
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+ if (flag || !worldData.isDifficultyLocked()) {
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+ worldData.setDifficulty(worldData.isHardcore() ? EnumDifficulty.HARD : enumdifficulty);
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+ world.setSpawnFlags(worldData.getDifficulty() != EnumDifficulty.PEACEFUL && ((DedicatedServer) this).propertyManager.getProperties().spawnMonsters, this.getSpawnAnimals());
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+ //this.getPlayerList().getPlayers().forEach(this::b); // Commented: WorldDataServer#setDifficulty handles updating players' difficulties
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+ // Paper end
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}
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}
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diff --git a/src/main/java/net/minecraft/server/commands/CommandDifficulty.java b/src/main/java/net/minecraft/server/commands/CommandDifficulty.java
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index 1773fa44f55c6f6dcda0afceff4db39881861879..4a43b4632a5cb1e3b5659c9c6c44b42d33bbfcd4 100644
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--- a/src/main/java/net/minecraft/server/commands/CommandDifficulty.java
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+++ b/src/main/java/net/minecraft/server/commands/CommandDifficulty.java
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@@ -7,6 +7,7 @@ import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
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import net.minecraft.commands.CommandListenerWrapper;
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import net.minecraft.network.chat.ChatMessage;
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import net.minecraft.server.MinecraftServer;
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+import net.minecraft.server.level.WorldServer;
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import net.minecraft.world.EnumDifficulty;
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public class CommandDifficulty {
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@@ -41,10 +42,11 @@ public class CommandDifficulty {
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public static int a(CommandListenerWrapper commandlistenerwrapper, EnumDifficulty enumdifficulty) throws CommandSyntaxException {
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MinecraftServer minecraftserver = commandlistenerwrapper.getServer();
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- if (minecraftserver.getSaveData().getDifficulty() == enumdifficulty) {
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+ WorldServer world = commandlistenerwrapper.getWorld(); // Paper
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+ if (world.worldDataServer.getDifficulty() == enumdifficulty) { // Paper
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throw CommandDifficulty.a.create(enumdifficulty.c());
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} else {
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- minecraftserver.a(enumdifficulty, true);
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+ minecraftserver.a(world, enumdifficulty, true); // Paper
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commandlistenerwrapper.sendMessage(new ChatMessage("commands.difficulty.success", new Object[]{enumdifficulty.b()}), true);
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return 0;
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}
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diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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index 29eda296e7ebfbe1f19b7e515401ea85994df833..a5b1f33473e8c82511fdd0c218f4fe744f584de8 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -362,7 +362,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
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@Override
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public void updateWorldSettings() {
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- this.a(this.getDedicatedServerProperties().difficulty, true);
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+ //this.a(this.getDedicatedServerProperties().difficulty, true); // Paper - Don't overwrite level.dat's difficulty, keep current
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}
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@Override
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diff --git a/src/main/java/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java
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index 168fcf3570e5af68d99944dae9a7d7275fb93ff1..a25edac931db8c737c81962bf69233b547d038c7 100644
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--- a/src/main/java/net/minecraft/server/network/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java
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@@ -3041,7 +3041,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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public void a(PacketPlayInDifficultyChange packetplayindifficultychange) {
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PlayerConnectionUtils.ensureMainThread(packetplayindifficultychange, this, this.player.getWorldServer());
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if (this.player.k(2) || this.isExemptPlayer()) {
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- this.minecraftServer.a(packetplayindifficultychange.b(), false);
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+ //this.minecraftServer.a(packetplayindifficultychange.b(), false); // Paper - don't allow clients to change this
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}
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}
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