78 lines
4.6 KiB
Diff
78 lines
4.6 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/CommandDifficulty.java b/src/main/java/net/minecraft/server/CommandDifficulty.java
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index bc71070c670d1a64c60b9f19711a5e8a50ace56e..9efc743e028650ccc9cda5a2c9deb1836253b91d 100644
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--- a/src/main/java/net/minecraft/server/CommandDifficulty.java
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+++ b/src/main/java/net/minecraft/server/CommandDifficulty.java
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@@ -36,10 +36,11 @@ 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/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
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index a16495f69626356e5312f8804c66d40a29894b7e..1c878265be0f458ff264bc4a4011397e5b60b20e 100644
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--- a/src/main/java/net/minecraft/server/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
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@@ -325,7 +325,7 @@ 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/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 4f0b79be16dbc8b528095f8ebfe80d70ef6074ce..a7b6be15b6c5d99fd8adc60c2d7f31a0b8ad4054 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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@@ -1518,11 +1518,14 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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this.H = keypair;
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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.bb();
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- this.getPlayerList().getPlayers().forEach(this::a);
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+ // Paper start - fix per world difficulty
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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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+ //world.players.forEach(this::a);
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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/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index 6353387096c218f0d910343de1f1eadc66e31cc6..88d5ce53d76863961179d3d81419fb9c2990d4d6 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -2768,7 +2768,7 @@ 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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