Re-add chunk GC for plugin chunk loads

nms-patches/TicketType.patch

@@ -1,5 +1,14 @@
 --- a/net/minecraft/server/TicketType.java
 +++ b/net/minecraft/server/TicketType.java
+@@ -6,7 +6,7 @@
+ 
+     private final String i;
+     private final Comparator<T> j;
+-    private final long k;
++    private long k; // PAIL
+     public static final TicketType<Unit> START = a("start", (unit, unit1) -> {
+         return 0;
+     });
 @@ -19,6 +19,7 @@
      public static final TicketType<BlockPosition2D> PORTAL = a("portal", Comparator.comparingLong(BlockPosition2D::b));
      public static final TicketType<Integer> POST_TELEPORT = a("post_teleport", Integer::compareTo, 5);
@@ -8,3 +17,14 @@
  
      public static <T> TicketType<T> a(String s, Comparator<T> comparator) {
          return new TicketType<>(s, comparator, 0L);
+@@ -45,4 +46,10 @@
+     public long b() {
+         return this.k;
+     }
++
++    // CraftBukkit start
++    public void setLoadPeriod(int ticks) {
++        this.k = ticks;
++    }
++    // CraftBukkit end
+ }

src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -49,7 +49,6 @@ import net.minecraft.server.BlockPosition;
 import net.minecraft.server.BossBattleCustom;
 import net.minecraft.server.CommandDispatcher;
 import net.minecraft.server.CommandListenerWrapper;
-import net.minecraft.server.CraftingManager;
 import net.minecraft.server.DedicatedPlayerList;
 import net.minecraft.server.DedicatedServer;
 import net.minecraft.server.DedicatedServerProperties;
@@ -70,6 +69,7 @@ import net.minecraft.server.MobEffects;
 import net.minecraft.server.PlayerList;
 import net.minecraft.server.ServerCommand;
 import net.minecraft.server.TagsServer;
+import net.minecraft.server.TicketType;
 import net.minecraft.server.Vec3D;
 import net.minecraft.server.WorldData;
 import net.minecraft.server.WorldMap;
@@ -306,6 +306,7 @@ public final class CraftServer implements Server {
         ambientSpawn = configuration.getInt("spawn-limits.ambient");
         console.autosavePeriod = configuration.getInt("ticks-per.autosave");
         warningState = WarningState.value(configuration.getString("settings.deprecated-verbose"));
+        TicketType.PLUGIN.setLoadPeriod(configuration.getInt("chunk-gc.period-in-ticks"));
         minimumAPI = configuration.getString("settings.minimum-api");
         loadIcon();
     }
@@ -716,6 +717,7 @@ public final class CraftServer implements Server {
         waterAnimalSpawn = configuration.getInt("spawn-limits.water-animals");
         ambientSpawn = configuration.getInt("spawn-limits.ambient");
         warningState = WarningState.value(configuration.getString("settings.deprecated-verbose"));
+        TicketType.PLUGIN.setLoadPeriod(configuration.getInt("chunk-gc.period-in-ticks"));
         minimumAPI = configuration.getString("settings.minimum-api");
         printSaveWarning = false;
         console.autosavePeriod = configuration.getInt("ticks-per.autosave");

src/main/resources/configurations/bukkit.yml

@@ -28,6 +28,8 @@ spawn-limits:
     animals: 10
     water-animals: 15
     ambient: 15
+chunk-gc:
+    period-in-ticks: 600
 ticks-per:
     animal-spawns: 400
     monster-spawns: 1