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 3d2c70ab9938555c976588b0a98901d57876e51e..99b5877fc2f568929b35aa10638173bbef27503b 100644 --- a/src/main/java/net/minecraft/server/MinecraftServer.java +++ b/src/main/java/net/minecraft/server/MinecraftServer.java @@ -850,7 +850,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa worldloadlistener.stop(); // CraftBukkit start // this.updateMobSpawningFlags(); - worldserver.setSpawnSettings(this.isSpawningMonsters()); + worldserver.setSpawnSettings(worldserver.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean)) this.forceTicks = false; // CraftBukkit end @@ -1890,11 +1890,14 @@ 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.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate); + // Paper end - per level difficulty } } @@ -1908,7 +1911,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa while (iterator.hasNext()) { ServerLevel worldserver = (ServerLevel) iterator.next(); - worldserver.setSpawnSettings(this.isSpawningMonsters()); + worldserver.setSpawnSettings(worldserver.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && ((DedicatedServer) this).settings.getProperties().spawnMonsters); // 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 fe1975675189c6d1a63c42b7959fa40b5ac95ef8..9a3e73a5c206b78dfcf6f41a47b614342e52acc8 100644 --- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java +++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java @@ -337,7 +337,7 @@ 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 0884f71d3264c2a09d2a0958d4751962e4156526..8bb1b0e7caa938170169379ce22f21c1c772db60 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -3308,7 +3308,7 @@ 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 ca8eb3216c4331a95ab44f923f6b49641662505f..9905555f249db72649bde8401835dd816ed7b428 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java @@ -1000,8 +1000,8 @@ 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); + // world.serverLevelData.setDifficulty(config.difficulty); // Paper - per level difficulty + world.setSpawnSettings(world.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && config.spawnMonsters); // 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 e6a7359d120b2361669a407b92357ea1a6b9a2a8..93d1c641a6fa063f3c5a4b9b2d9a15071ae7de01 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -1169,7 +1169,7 @@ 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