78 lines
4.8 KiB
Diff
78 lines
4.8 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: 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 a36fa61313baf9ab260b8805860ac4bce24bc3c6..3ac5ab881913a90d5b59610e81d598e121320930 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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@@ -1723,11 +1723,14 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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}
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}
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- public void setDifficulty(Difficulty difficulty, boolean forceUpdate) {
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- if (forceUpdate || !this.worldData.isDifficultyLocked()) {
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- this.worldData.setDifficulty(this.worldData.isHardcore() ? Difficulty.HARD : difficulty);
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- this.updateMobSpawningFlags();
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- this.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate);
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+ // Paper start - remember per level difficulty
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+ public void setDifficulty(ServerLevel level, Difficulty difficulty, boolean forceUpdate) {
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+ PrimaryLevelData worldData = level.serverLevelData;
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+ if (forceUpdate || !worldData.isDifficultyLocked()) {
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+ worldData.setDifficulty(worldData.isHardcore() ? Difficulty.HARD : difficulty);
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+ level.setSpawnSettings(worldData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters, this.isSpawningAnimals());
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+ // this.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate);
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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 33c859df0b669d0c3e97ccba29f17c1ba2166a27..9f03b738aea623fe409ca176397f48be055466da 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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@@ -35,10 +35,11 @@ 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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+ net.minecraft.server.level.ServerLevel level = source.getLevel(); // Paper
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+ if (level.serverLevelData.getDifficulty() == difficulty) { // Paper
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throw ERROR_ALREADY_DIFFICULT.create(difficulty.getKey());
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} else {
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- minecraftServer.setDifficulty(difficulty, true);
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+ minecraftServer.setDifficulty(level, difficulty, true); // Paper - use world
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source.sendSuccess(new TranslatableComponent("commands.difficulty.success", 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 a335d48467d1730bfed25eb5fd9046e115f23ed0..0a930147663850dc2ea7ffe9ced5611d5bab7c6d 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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@@ -369,7 +369,7 @@ 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 70c9cfa62af326ee030c4e70fc3d120c82a82a4c..9b04ce1b82e954eca6e59360e606438695dd3bb4 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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@@ -3021,7 +3021,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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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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