86 lines
5.4 KiB
Diff
86 lines
5.4 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 f530c739b6aee3718eb5d0e0e6a09d882d817c68..19544b794b5a46c129016172798ff7294fcfed33 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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@@ -1645,11 +1645,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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}
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}
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- public void setDifficulty(Difficulty enumdifficulty, boolean forceUpdate) {
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- if (forceUpdate || !this.worldData.isDifficultyLocked()) {
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- this.worldData.setDifficulty(this.worldData.isHardcore() ? Difficulty.HARD : enumdifficulty);
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- this.updateMobSpawningFlags();
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- this.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate);
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+ // Paper start - fix per world difficulty
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+ public void setWorldDifficulty(ServerLevel world, Difficulty enumdifficulty, boolean forcefullySet) { this.a(world, enumdifficulty, forcefullySet); }
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+ public void a(ServerLevel world, Difficulty enumdifficulty, boolean flag) {
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+ PrimaryLevelData worldData = world.worldDataServer;
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+ if (flag || !worldData.isDifficultyLocked()) {
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+ worldData.setDifficulty(worldData.isHardcore() ? Difficulty.HARD : enumdifficulty);
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+ world.setSpawnSettings(worldData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters, this.isSpawningAnimals());
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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/DifficultyCommand.java b/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
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index 106c633a91fea6c27d76d43d4678c00287b0992a..f0dfa78b13a774f5c6139efc70750a154961cede 100644
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--- a/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
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+++ b/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
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@@ -7,6 +7,7 @@ import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
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import net.minecraft.commands.CommandSourceStack;
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import net.minecraft.network.chat.TranslatableComponent;
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import net.minecraft.server.MinecraftServer;
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+import net.minecraft.server.level.ServerLevel;
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import net.minecraft.world.Difficulty;
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public class DifficultyCommand {
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@@ -41,10 +42,11 @@ public class DifficultyCommand {
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public static int setDifficulty(CommandSourceStack source, Difficulty difficulty) throws CommandSyntaxException {
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MinecraftServer minecraftserver = source.getServer();
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- if (minecraftserver.getWorldData().getDifficulty() == difficulty) {
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+ ServerLevel world = source.getLevel(); // Paper
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+ if (world.worldDataServer.getDifficulty() == difficulty) { // Paper
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throw DifficultyCommand.ERROR_ALREADY_DIFFICULT.create(difficulty.getKey());
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} else {
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- minecraftserver.setDifficulty(difficulty, true);
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+ minecraftserver.a(world, difficulty, true); // Paper
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source.sendSuccess(new TranslatableComponent("commands.difficulty.success", new Object[]{difficulty.getDisplayName()}), 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 6477ba1f31d977f8199fb4c7532938920b385ae7..95f9863bbccaa23d08c409792314df4f2397a317 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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@@ -359,7 +359,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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@Override
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public void forceDifficulty() {
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- this.setDifficulty(this.getProperties().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/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 471370a9aafa3eda83beb4097c6233650bd155ee..773f2589c14e16d2f5b01a6dbd48e09d17d19c7e 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -3039,7 +3039,7 @@ public class ServerGamePacketListenerImpl implements ServerGamePacketListener {
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public void handleChangeDifficulty(ServerboundChangeDifficultyPacket packet) {
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
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if (this.player.hasPermissions(2) || this.isSingleplayerOwner()) {
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- this.server.setDifficulty(packet.getDifficulty(), 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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