PaperMC/patches/server/0376-Fix-Per-World-Difficulty-Remembering-Difficulty.patch
Nassim Jahnke 4bc15f13aa
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
e2160a18 Make MapCursor#type not depends on deprecated values

CraftBukkit Changes:
6ce172642 SPIGOT-7761: Ender pearl does not damage or spawn endermites
f5a63f734 SPIGOT-7759: Chunk not there when requested in ChunkUnloadEvent
28287259c Remove unused import
eb9a7dde0 SPIGOT-7757: Cannot set item in Stonecutter Inventory
f8be9d752 Move deserialized removed unhandled tags to dedicated removedTags
a7e576186 Fix potential mutability issue with CraftMetaItem copy constructor
995885452 SPIGOT-7741: Vanilla ItemComponent in commands can't remove components
9ef69aa0b PR-1284: Move ItemType <-> ItemMeta linking to a centralized place
3e82eafbe PR-1420: Fix DirectEntity and CausingEntity Damager for Creepers ignited by Player
c23daa71f SPIGOT-7751: Fix crash caused by arrows from trial spawners
Make MapCursor#type not depends on deprecated values
SPIGOT-7761: Ender pearl does not damage or spawn endermites
2024-06-15 18:31:58 +02:00

118 lines
8 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 095215a5cbf1abeb7836a6ccc87c195019a7f019..1d141c9ee7b8193d46ba47a8586fc334cabb62a1 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -837,7 +837,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
worldloadlistener.stop();
// CraftBukkit start
// this.updateMobSpawningFlags();
- 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
@@ -1854,11 +1854,14 @@ 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 - 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 - per level difficulty
}
}
@@ -1872,7 +1875,7 @@ 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 997a96a21440ae72696d68f8031ece4ba487d3ef..3d8584929cee000ae7df10c5bd94f35820e70294 100644
--- a/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
+++ b/src/main/java/net/minecraft/server/commands/DifficultyCommand.java
@@ -49,7 +49,7 @@ public class DifficultyCommand {
if (worldServer.getDifficulty() == difficulty) { // CraftBukkit
throw DifficultyCommand.ERROR_ALREADY_DIFFICULT.create(difficulty.getKey());
} else {
- worldServer.serverLevelData.setDifficulty(difficulty); // CraftBukkit
+ minecraftserver.setDifficulty(worldServer, difficulty, true); // Paper - per level difficulty; don't skip other difficulty-changing logic (fix upstream's fix)
source.sendSuccess(() -> {
return Component.translatable("commands.difficulty.success", difficulty.getDisplayName());
}, true);
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index d6dc8c983d26ce89f17a990be4284fdc78ad164b..2b1d7a2360a9ee7bca9d93a2dc8c61d1648a8348 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -350,7 +350,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
@Override
public void forceDifficulty() {
- this.setDifficulty(this.getProperties().difficulty, true);
+ // this.setDifficulty(this.getProperties().difficulty, true); // Paper - per level difficulty; 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 d823d32285b84c3775361d28f39b2c321b6b2f66..ad8b76b4b39442500de82653fe736bec32330ca0 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -3261,7 +3261,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
public void handleChangeDifficulty(ServerboundChangeDifficultyPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
if (this.player.hasPermissions(2) || this.isSingleplayerOwner()) {
- this.server.setDifficulty(packet.getDifficulty(), false);
+ // this.server.setDifficulty(packet.getDifficulty(), false); // Paper - per level difficulty; 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 118708bd917518333359ce1407e1e26e4ec6a180..9e8de1efa2fc42a8ffb3c29579be48a4b5b97fca 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -988,8 +988,8 @@ public final class CraftServer implements Server {
org.spigotmc.SpigotConfig.init((File) this.console.options.valueOf("spigot-settings")); // Spigot
this.console.paperConfigurations.reloadConfigs(this.console);
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))
for (SpawnCategory spawnCategory : SpawnCategory.values()) {
if (CraftSpawnCategory.isValidForLimits(spawnCategory)) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index eafb186d158c6cf26b97b1982597bde377396172..990669917cd990d16f9699b085c9ff041c1f77b4 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -1165,7 +1165,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setDifficulty(Difficulty difficulty) {
- this.getHandle().serverLevelData.setDifficulty(net.minecraft.world.Difficulty.byId(difficulty.getValue()));
+ this.getHandle().getServer().setDifficulty(this.getHandle(), net.minecraft.world.Difficulty.byId(difficulty.getValue()), true); // Paper - per level difficulty; don't skip other difficulty-changing logic
}
@Override