Remove stale POIs

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

@@ -79,7 +79,7 @@
 +    public final LevelStorageSource.LevelStorageAccess convertable;
 +    public final UUID uuid;
 +    public boolean hasPhysicsEvent = true; // Paper - BlockPhysicsEvent
- 
++
 +    public LevelChunk getChunkIfLoaded(int x, int z) {
 +        return this.chunkSource.getChunk(x, z, false);
 +    }
@@ -132,7 +132,7 @@
 +
 +        int maxBlockX = Mth.floor(axisalignedbb.maxX + 1.0E-7D) + 3;
 +        int maxBlockZ = Mth.floor(axisalignedbb.maxZ + 1.0E-7D) + 3;
-+
+ 
 +        int minChunkX = minBlockX >> 4;
 +        int minChunkZ = minBlockZ >> 4;
 +
@@ -823,12 +823,9 @@
  
      public <T extends ParticleOptions> int sendParticles(T parameters, boolean force, boolean important, double x, double y, double z, int count, double offsetX, double offsetY, double offsetZ, double speed) {
 -        ClientboundLevelParticlesPacket packetplayoutworldparticles = new ClientboundLevelParticlesPacket(parameters, force, important, x, y, z, (float) offsetX, (float) offsetY, (float) offsetZ, (float) speed, count);
--        int j = 0;
 +        return this.sendParticlesSource(null, parameters, force, important, x, y, z, count, offsetX, offsetY, offsetZ, speed); // CraftBukkit - visibility api support
 +    }
- 
++
--        for (int k = 0; k < this.players.size(); ++k) {
--            ServerPlayer entityplayer = (ServerPlayer) this.players.get(k);
 +    // CraftBukkit start - visibility api support
 +    public <T extends ParticleOptions> int sendParticlesSource(ServerPlayer sender, T t0, boolean flag, boolean flag1, double d0, double d1, double d2, int i, double d3, double d4, double d5, double d6) {
 +        // Paper start - Particle API
@@ -838,13 +835,15 @@
 +        // Paper end - Particle API
 +        // CraftBukkit end
 +        ClientboundLevelParticlesPacket packetplayoutworldparticles = new ClientboundLevelParticlesPacket(t0, flag, flag1, d0, d1, d2, (float) d3, (float) d4, (float) d5, (float) d6, i);
-+        int j = 0;
+         int j = 0;
  
--            if (this.sendParticles(entityplayer, force, x, y, z, packetplayoutworldparticles)) {
+-        for (int k = 0; k < this.players.size(); ++k) {
+-            ServerPlayer entityplayer = (ServerPlayer) this.players.get(k);
 +        for (Player entityhuman : receivers) { // Paper - Particle API
 +            ServerPlayer entityplayer = (ServerPlayer) entityhuman; // Paper - Particle API
 +            if (sender != null && !entityplayer.getBukkitEntity().canSee(sender.getBukkitEntity())) continue; // CraftBukkit
-+
+ 
+-            if (this.sendParticles(entityplayer, force, x, y, z, packetplayoutworldparticles)) {
 +            if (this.sendParticles(entityplayer, flag, d0, d1, d2, packetplayoutworldparticles)) {
                  ++j;
              }
@@ -892,7 +891,19 @@
              this.getServer().getPlayerList().broadcastAll(new ClientboundSetDefaultSpawnPositionPacket(pos, angle));
          }
  
-@@ -1649,6 +2020,11 @@
+@@ -1419,6 +1790,11 @@
+             });
+             optional1.ifPresent((holder) -> {
+                 this.getServer().execute(() -> {
++                    // Paper start - Remove stale POIs
++                    if (optional.isEmpty() && this.getPoiManager().exists(blockposition1, poiType -> true)) {
++                        this.getPoiManager().remove(blockposition1);
++                    }
++                    // Paper end - Remove stale POIs
+                     this.getPoiManager().add(blockposition1, holder);
+                     DebugPackets.sendPoiAddedPacket(this, blockposition1);
+                 });
+@@ -1649,6 +2025,11 @@
      @Override
      public void blockUpdated(BlockPos pos, Block block) {
          if (!this.isDebug()) {
@@ -904,7 +915,7 @@
              this.updateNeighborsAt(pos, block);
          }
  
-@@ -1668,12 +2044,12 @@
+@@ -1668,12 +2049,12 @@
      }
  
      public boolean isFlat() {
@@ -919,7 +930,7 @@
      }
  
      @Nullable
-@@ -1696,7 +2072,7 @@
+@@ -1696,7 +2077,7 @@
      private static <T> String getTypeCount(Iterable<T> items, Function<T, String> classifier) {
          try {
              Object2IntOpenHashMap<String> object2intopenhashmap = new Object2IntOpenHashMap();
@@ -928,7 +939,7 @@
  
              while (iterator.hasNext()) {
                  T t0 = iterator.next();
-@@ -1705,7 +2081,7 @@
+@@ -1705,7 +2086,7 @@
                  object2intopenhashmap.addTo(s, 1);
              }
  
@@ -937,7 +948,7 @@
                  String s1 = (String) entry.getKey();
  
                  return s1 + ":" + entry.getIntValue();
-@@ -1717,6 +2093,7 @@
+@@ -1717,6 +2098,7 @@
  
      @Override
      public LevelEntityGetter<Entity> getEntities() {
@@ -945,7 +956,7 @@
          return this.entityManager.getEntityGetter();
      }
  
-@@ -1802,6 +2179,17 @@
+@@ -1802,6 +2184,17 @@
          return this.serverLevelData.getGameRules();
      }
  
@@ -963,7 +974,7 @@
      @Override
      public CrashReportCategory fillReportDetails(CrashReport report) {
          CrashReportCategory crashreportsystemdetails = super.fillReportDetails(report);
-@@ -1836,7 +2224,8 @@
+@@ -1836,7 +2229,8 @@
          }
  
          public void onTrackingStart(Entity entity) {
@@ -973,7 +984,7 @@
              if (entity instanceof ServerPlayer entityplayer) {
                  ServerLevel.this.players.add(entityplayer);
                  ServerLevel.this.updateSleepingPlayerList();
-@@ -1864,9 +2253,53 @@
+@@ -1864,9 +2258,53 @@
              }
  
              entity.updateDynamicGameEventListener(DynamicGameEventListener::add);
@@ -1027,7 +1038,7 @@
              ServerLevel.this.getChunkSource().removeEntity(entity);
              if (entity instanceof ServerPlayer entityplayer) {
                  ServerLevel.this.players.remove(entityplayer);
-@@ -1895,6 +2328,15 @@
+@@ -1895,6 +2333,15 @@
              }
  
              entity.updateDynamicGameEventListener(DynamicGameEventListener::remove);