Added a config option for ticking markers (#9034)

patches/server/Don-t-tick-markers.patch

@@ -3,10 +3,11 @@ From: Noah van der Aa <ndvdaa@gmail.com>
 Date: Fri, 7 Jan 2022 11:58:26 +0100
 Subject: [PATCH] Don't tick markers
 
-Fixes https://github.com/PaperMC/Paper/issues/7276 by not adding markers to the entity
-tick list at all and ignoring them in Spigot's activation range checks. The entity tick
+Fixes https://github.com/PaperMC/Paper/issues/7276 and https://github.com/PaperMC/Paper/issues/8118
+by using a config option that, when set to false, does not add markers to the entity
+tick list at all and ignores them in Spigot's activation range checks. The entity tick
 list is only used in the tick and tickPassenger methods, so we can safely not add the
-markers to it.
+markers to it. When the config option is set to true, markers are ticked as normal.
 
 diff --git a/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java b/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
@@ -17,7 +18,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  info.left++;
                  info.right.put(chunk, info.right.getOrDefault(chunk, 0) + 1);
 -                if (!chunkProviderServer.isPositionTicking(e)) {
-+                if (!chunkProviderServer.isPositionTicking(e) || e instanceof net.minecraft.world.entity.Marker) { // Markers aren't ticked.
++                if (!chunkProviderServer.isPositionTicking(e) || (e instanceof net.minecraft.world.entity.Marker && !world.paperConfig().entities.markers.tick)) { // Configurable marker ticking
                      nonEntityTicking.merge(key, 1, Integer::sum);
                  }
              });
@@ -29,7 +30,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          }
  
          public void onTickingStart(Entity entity) {
-+            if (entity instanceof net.minecraft.world.entity.Marker) return; // Paper - Don't tick markers
++            if (entity instanceof net.minecraft.world.entity.Marker && !paperConfig().entities.markers.tick) return; // Paper - Configurable marker ticking
              ServerLevel.this.entityTickList.add(entity);
          }
  
@@ -42,7 +43,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
  
              // Paper start
 -            java.util.List<Entity> entities = world.getEntities((Entity)null, maxBB, null);
-+            java.util.List<Entity> entities = world.getEntities((Entity)null, maxBB, (e) -> !(e instanceof net.minecraft.world.entity.Marker)); // Don't tick markers
++            java.util.function.Predicate<Entity> entityPredicate = world.paperConfig().entities.markers.tick ? null : (e) -> !(e instanceof net.minecraft.world.entity.Marker); // Configurable marker ticking
++            java.util.List<Entity> entities = world.getEntities((Entity)null, maxBB, entityPredicate);
              for (int i = 0; i < entities.size(); i++) {
                  Entity entity = entities.get(i);
                  ActivationRange.activateEntity(entity);

patches/server/Paper-config-files.patch

@@ -1574,6 +1574,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            public boolean tick = true;
 +        }
 +
++        public Markers markers;
++
++        public class Markers extends ConfigurationPart {
++            public boolean tick = true;
++        }
++
 +        public Spawning spawning;
 +
 +        public class Spawning extends ConfigurationPart {