Add options to disable chunk and block entity ticking

Author: kennytv

paper-server/patches/sources/net/minecraft/server/level/ServerChunkCache.java.patch

@@ -189,6 +189,15 @@
              this.ticketStorage.purgeStaleTickets(this.chunkMap);
          }
 
+@@ -344,7 +_,7 @@
+         if (!this.level.isDebug()) {
+             ProfilerFiller profiler = Profiler.get();
+             profiler.push("pollingChunks");
+-            if (this.level.tickRateManager().runsNormally()) {
++            if (this.level.tickRateManager().runsNormally() && this.level.paperConfig().unsupportedSettings.ticking.chunks) { // Paper - option to disable ticking
+                 profiler.push("tickingChunks");
+                 this.tickChunks(profiler, timeDiff);
+                 profiler.pop();
 @@ -376,12 +_,20 @@
              chunkCount, this.level.getAllEntities(), this::getFullChunk, new LocalMobCapCalculator(this.chunkMap)
          );

paper-server/patches/sources/net/minecraft/server/level/ServerLevel.java.patch

@@ -326,6 +326,18 @@
          if (isActive) {
              this.resetEmptyTime();
          }
+@@ -437,9 +_,11 @@
+                         }
+                     }
+                 );
++            if (this.paperConfig().unsupportedSettings.ticking.blockEntities) { // Paper - option to disable ticking
+             profiler.popPush("blockEntities");
+             this.tickBlockEntities();
+             profiler.pop();
++            } // Paper - option to disable ticking
+         }
+ 
+         profiler.push("entityManagement");
 @@ -468,7 +_,7 @@
              long time = this.levelData.getGameTime() + 1L;
              this.serverLevelData.setGameTime(time);

paper-server/patches/sources/net/minecraft/world/level/Level.java.patch

@@ -445,6 +445,14 @@
              return chunk.getBlockState(pos);
          }
      }
+@@ -523,6 +_,7 @@
+     }
+ 
+     public void addBlockEntityTicker(final TickingBlockEntity ticker) {
++        if (!this.paperConfig().unsupportedSettings.ticking.blockEntities) return; // Paper - option to disable ticking
+         (this.tickingBlockEntities ? this.pendingBlockEntityTickers : this.blockEntityTickers).add(ticker);
+     }
+ 
 @@ -533,31 +_,48 @@
              this.pendingBlockEntityTickers.clear();
          }

paper-server/patches/sources/net/minecraft/world/level/chunk/LevelChunk.java.patch

@@ -246,6 +246,14 @@
      public boolean isEmpty() {
          return false;
      }
+@@ -703,6 +_,7 @@
+     }
+ 
+     private <T extends BlockEntity> void updateBlockEntityTicker(final T blockEntity) {
++        if (!this.level.paperConfig().unsupportedSettings.ticking.blockEntities) return; // Paper - option to disable ticking
+         BlockState state = blockEntity.getBlockState();
+         BlockEntityTicker<T> ticker = state.getTicker(this.level, (BlockEntityType<T>)blockEntity.getType());
+         if (ticker == null) {
 @@ -752,23 +_,24 @@
                          if (this.blockEntity.getType().isValid(blockState)) {
                              this.ticker.tick(LevelChunk.this.level, this.blockEntity.getBlockPos(), blockState, this.blockEntity);

paper-server/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java

@@ -477,6 +477,12 @@ public class Fixes extends ConfigurationPart {
     public class UnsupportedSettings extends ConfigurationPart {
         public boolean fixInvulnerableEndCrystalExploit = true;
         public boolean disableWorldTickingWhenEmpty = false;
+        public Ticking ticking;
+
+        public class Ticking extends ConfigurationPart {
+            public boolean chunks = true;
+            public boolean blockEntities = true;
+        }
     }
 
     public Hopper hopper;