Paper/patches/unapplied/server/0468-Fix-Per-World-Difficulty-Remembering-Difficulty.patch
2021-11-30 19:26:33 +01:00

111 lines
7.5 KiB
Diff

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/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index f07dd72d2ba1b3e1d30dab5973ca3785ea517471..f37e55afee9486ec1884461a0a2b89f5204e7d00 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -857,7 +857,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
chunkproviderserver.getLightEngine().setTaskPerBatch(worldserver.paperConfig.lightQueueSize); // Paper - increase light queue size
// CraftBukkit start
// this.updateSpawnFlags();
- worldserver.setSpawnSettings(this.isSpawningMonsters(), this.isSpawningAnimals());
+ worldserver.setSpawnSettings(worldserver.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters, this.isSpawningAnimals()); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean))
this.forceTicks = false;
// CraftBukkit end
@@ -1727,11 +1727,14 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
}
- public void setDifficulty(Difficulty difficulty, boolean forceUpdate) {
- if (forceUpdate || !this.worldData.isDifficultyLocked()) {
- this.worldData.setDifficulty(this.worldData.isHardcore() ? Difficulty.HARD : difficulty);
- this.updateMobSpawningFlags();
- this.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate);
+ // Paper start - remember per level difficulty
+ public void setDifficulty(ServerLevel level, Difficulty difficulty, boolean forceUpdate) {
+ PrimaryLevelData worldData = level.serverLevelData;
+ if (forceUpdate || !worldData.isDifficultyLocked()) {
+ worldData.setDifficulty(worldData.isHardcore() ? Difficulty.HARD : difficulty);
+ level.setSpawnSettings(worldData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters, this.isSpawningAnimals());
+ // this.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate);
+ // Paper end
}
}
@@ -1745,7 +1748,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
while (iterator.hasNext()) {
ServerLevel worldserver = (ServerLevel) iterator.next();
- worldserver.setSpawnSettings(this.isSpawningMonsters(), this.isSpawningAnimals());
+ worldserver.setSpawnSettings(worldserver.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters, this.isSpawningAnimals()); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean))
}
}
diff --git a/src/main/java/net/minecraft/server/commands/DifficultyCommand.java b/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
index 33c859df0b669d0c3e97ccba29f17c1ba2166a27..9f03b738aea623fe409ca176397f48be055466da 100644
--- a/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
+++ b/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
@@ -35,10 +35,11 @@ public class DifficultyCommand {
public static int setDifficulty(CommandSourceStack source, Difficulty difficulty) throws CommandSyntaxException {
MinecraftServer minecraftServer = source.getServer();
- if (minecraftServer.getWorldData().getDifficulty() == difficulty) {
+ net.minecraft.server.level.ServerLevel level = source.getLevel(); // Paper
+ if (level.serverLevelData.getDifficulty() == difficulty) { // Paper
throw ERROR_ALREADY_DIFFICULT.create(difficulty.getKey());
} else {
- minecraftServer.setDifficulty(difficulty, true);
+ minecraftServer.setDifficulty(level, difficulty, true); // Paper - use world
source.sendSuccess(new TranslatableComponent("commands.difficulty.success", difficulty.getDisplayName()), true);
return 0;
}
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 8098875a5c4146dec81f5daed0e34ddfe17a26c6..286863b7eb9ee0389154304e61942dd68f978ff1 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -370,7 +370,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
@Override
public void forceDifficulty() {
- this.setDifficulty(this.getProperties().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/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 08c7c2f9e87cc5ec3d8fce5ad449df4761ebad8a..001167097afed95f93f54ff0e61220148849dd85 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3023,7 +3023,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
public void handleChangeDifficulty(ServerboundChangeDifficultyPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
if (this.player.hasPermissions(2) || this.isSingleplayerOwner()) {
- this.server.setDifficulty(packet.getDifficulty(), false);
+ //this.minecraftServer.a(packetplayindifficultychange.b(), false); // Paper - don't allow clients to change this
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index f647c541c6908cae5f7b64054d71db2971bd5d1d..740bbfdfecd953d91075c507d1f8ee00dd02c9a8 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -880,8 +880,8 @@ public final class CraftServer implements Server {
org.spigotmc.SpigotConfig.init((File) console.options.valueOf("spigot-settings")); // Spigot
com.destroystokyo.paper.PaperConfig.init((File) console.options.valueOf("paper-settings")); // Paper
for (ServerLevel world : this.console.getAllLevels()) {
- world.serverLevelData.setDifficulty(config.difficulty);
- world.setSpawnSettings(config.spawnMonsters, config.spawnAnimals);
+ // world.serverLevelData.setDifficulty(config.difficulty); // Paper - per level difficulty
+ world.setSpawnSettings(world.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && config.spawnMonsters, config.spawnAnimals); // Paper - per level difficulty (from MinecraftServer#setDifficulty(ServerLevel, Difficulty, boolean))
if (this.getTicksPerAnimalSpawns() < 0) {
world.ticksPerAnimalSpawns = 400;
} else {