Check spawn_mobs gamerule for spawnEnemies flag (#13510)

Author: Lulu13022002

paper-server/patches/features/0001-Moonrise-optimisation-patches.patch

@@ -23059,7 +23059,7 @@ index cda915fcb4822689f42b25280eb99aee082ddb74..094d2d528cb74b8f1d277cd780bba7f4
                  thread1 -> {
                      DedicatedServer dedicatedServer1 = new DedicatedServer(
 diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
-index f6d31f00f06d61d19e5069efdac8fe055585e49e..58f8d6a941d7fb3605cff30897c6752d2522587b 100644
+index 330d1f751006e6a5acfec1a3ab390b1c2d482299..af7e9692a38f8278734e2f1ab51c1e03b123ef3c 100644
 --- a/net/minecraft/server/MinecraftServer.java
 +++ b/net/minecraft/server/MinecraftServer.java
 @@ -185,7 +185,7 @@ import net.minecraft.world.scores.ScoreboardSaveData;
@@ -23166,7 +23166,7 @@ index f6d31f00f06d61d19e5069efdac8fe055585e49e..58f8d6a941d7fb3605cff30897c6752d
          // CraftBukkit start
          joptsimple.OptionSet options,
 @@ -825,7 +912,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
-         serverLevel.setSpawnSettings(serverLevel.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && serverLevel.getGameRules().get(GameRules.SPAWN_MONSTERS)); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean))
+         serverLevel.setSpawnSettings(serverLevel.isSpawningMonsters()); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean))
          this.updateEffectiveRespawnData();
          this.forceTicks = false; // CraftBukkit
 -        serverLevel.entityManager.tick(); // SPIGOT-6526: Load pending entities so they are available to the API

paper-server/patches/features/0020-Incremental-chunk-and-player-saving.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Incremental chunk and player saving
 
 
 diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
-index ebbb1e5c223c7c5817127f68a52138583f8fe0ed..97addc34c2a3091000803f229ec19d3ca0e24e16 100644
+index 8dc6adb868ade00fdee6f3f53aff01fddf79926d..7e8715af6433ac3324ae7d79f5252a4550af6bb1 100644
 --- a/net/minecraft/server/MinecraftServer.java
 +++ b/net/minecraft/server/MinecraftServer.java
 @@ -972,7 +972,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa

paper-server/patches/features/0025-Optimise-EntityScheduler-ticking.patch

@@ -20,7 +20,7 @@ index 2bc436cdf5180a7943c45fabb9fbbedae6f7db56..f312a7f5b1b2a777ab36b94ce7cbf387
 
      @Override
 diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
-index 97addc34c2a3091000803f229ec19d3ca0e24e16..9c6e5c3be20dff800938445c31523a8bac86ab06 100644
+index 7e8715af6433ac3324ae7d79f5252a4550af6bb1..092ead4419f0a558f25b4baacf3343b05c872022 100644
 --- a/net/minecraft/server/MinecraftServer.java
 +++ b/net/minecraft/server/MinecraftServer.java
 @@ -1753,33 +1753,22 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa

paper-server/patches/features/0028-Optimize-Hoppers.patch

@@ -48,7 +48,7 @@ index 0000000000000000000000000000000000000000..24a2090e068ad3c0d08705050944abdf
 +    }
 +}
 diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
-index 9c6e5c3be20dff800938445c31523a8bac86ab06..21500194b5c92baa6ab82503165b113155e4d994 100644
+index 092ead4419f0a558f25b4baacf3343b05c872022..c2227d57ea2e2da537a313d4bfd2f8c7f776be64 100644
 --- a/net/minecraft/server/MinecraftServer.java
 +++ b/net/minecraft/server/MinecraftServer.java
 @@ -1808,6 +1808,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa

paper-server/patches/sources/net/minecraft/server/MinecraftServer.java.patch

@@ -516,7 +516,7 @@
 -        this.levelLoadListener.finish(LevelLoadListener.Stage.LOAD_INITIAL_CHUNKS);
 -        this.updateMobSpawningFlags();
 +        serverLevel.levelLoadListener.finish(LevelLoadListener.Stage.LOAD_INITIAL_CHUNKS); // Paper - per world load listener
-+        serverLevel.setSpawnSettings(serverLevel.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && serverLevel.getGameRules().get(GameRules.SPAWN_MONSTERS)); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean))
++        serverLevel.setSpawnSettings(serverLevel.isSpawningMonsters()); // Paper - per level difficulty (from setDifficulty(ServerLevel, Difficulty, boolean))
          this.updateEffectiveRespawnData();
 +        this.forceTicks = false; // CraftBukkit
 +        serverLevel.entityManager.tick(); // SPIGOT-6526: Load pending entities so they are available to the API
@@ -1209,7 +1209,7 @@
 +                level.getWorld(), source, org.bukkit.craftbukkit.util.CraftDifficulty.toBukkit(difficulty)
 +            ).callEvent();
 +            worldData.setDifficulty(worldData.isHardcore() ? Difficulty.HARD : difficulty);
-+            level.setSpawnSettings(worldData.getDifficulty() != Difficulty.PEACEFUL && level.getGameRules().get(GameRules.SPAWN_MONSTERS));
++            level.setSpawnSettings(level.isSpawningMonsters());
 +            // this.getPlayerList().getPlayers().forEach(this::sendDifficultyUpdate);
 +            // Paper end - per level difficulty
          }
@@ -1483,7 +1483,7 @@
 +            // }); // Paper - per-world game rules
          } else if (rule == GameRules.SPAWN_MONSTERS) {
 -            this.updateMobSpawningFlags();
-+            serverLevel.setSpawnSettings(serverLevel.serverLevelData.getDifficulty() != net.minecraft.world.Difficulty.PEACEFUL && serverLevel.getGameRules().get(GameRules.SPAWN_MONSTERS)); // Paper - per-world game rules
++            serverLevel.setSpawnSettings(serverLevel.isSpawningMonsters()); // Paper - per-world game rules
          }
      }
 

paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -994,7 +994,7 @@ public void reload() {
         this.console.paperConfigurations.reloadConfigs(this.console);
         for (ServerLevel world : this.console.getAllLevels()) {
             // world.serverLevelData.setDifficulty(config.difficulty); // Paper - per level difficulty
-            world.setSpawnSettings(world.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && world.getGameRules().get(GameRules.SPAWN_MONSTERS)); // Paper - per level difficulty (from MinecraftServer#setDifficulty(ServerLevel, Difficulty, boolean))
+            world.setSpawnSettings(world.isSpawningMonsters()); // Paper - per level difficulty (from MinecraftServer#setDifficulty(ServerLevel, Difficulty, boolean))
 
             for (SpawnCategory spawnCategory : SpawnCategory.values()) {
                 if (CraftSpawnCategory.isValidForLimits(spawnCategory)) {