Update to Minecraft 1.15.2

By: md_5 <git@md-5.net>

paper-server/nms-patches/ChunkProviderServer.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/server/ChunkProviderServer.java
 +++ b/net/minecraft/server/ChunkProviderServer.java
-@@ -92,7 +92,7 @@
+@@ -95,7 +95,7 @@
              for (int l = 0; l < 4; ++l) {
                  if (k == this.cachePos[l] && chunkstatus == this.cacheStatus[l]) {
                      ichunkaccess = this.cacheChunk[l];
@@ -9,7 +9,7 @@
                          return ichunkaccess;
                      }
                  }
-@@ -136,12 +136,12 @@
+@@ -141,12 +141,12 @@
              if (playerchunk == null) {
                  return null;
              } else {
@@ -24,7 +24,7 @@
  
                      if (ichunkaccess1 != null) {
                          this.a(k, ichunkaccess1, ChunkStatus.FULL);
-@@ -168,7 +168,15 @@
+@@ -173,7 +173,15 @@
          int l = 33 + ChunkStatus.a(chunkstatus);
          PlayerChunk playerchunk = this.getChunk(k);
  
@@ -41,7 +41,7 @@
              this.chunkMapDistance.a(TicketType.UNKNOWN, chunkcoordintpair, l, chunkcoordintpair);
              if (this.a(playerchunk, l)) {
                  GameProfilerFiller gameprofilerfiller = this.world.getMethodProfiler();
-@@ -187,7 +195,7 @@
+@@ -192,7 +200,7 @@
      }
  
      private boolean a(@Nullable PlayerChunk playerchunk, int i) {
@@ -50,7 +50,7 @@
      }
  
      public boolean isLoaded(int i, int j) {
-@@ -289,11 +297,31 @@
+@@ -294,11 +302,31 @@
  
      @Override
      public void close() throws IOException {
@@ -83,7 +83,7 @@
      public void tick(BooleanSupplier booleansupplier) {
          this.world.getMethodProfiler().enter("purge");
          this.chunkMapDistance.purgeTickets();
-@@ -313,13 +341,13 @@
+@@ -318,13 +346,13 @@
          this.lastTickTime = i;
          WorldData worlddata = this.world.getWorldData();
          boolean flag = worlddata.getType() == WorldType.DEBUG_ALL_BLOCK_STATES;
@@ -99,7 +99,7 @@
  
              this.world.getMethodProfiler().enter("naturalSpawnCount");
              int l = this.chunkMapDistance.b();
-@@ -348,8 +376,30 @@
+@@ -353,8 +381,30 @@
                              for (int j1 = 0; j1 < i1; ++j1) {
                                  EnumCreatureType enumcreaturetype = aenumcreaturetype1[j1];
  
@@ -131,7 +131,7 @@
  
                                      if (object2intmap.getInt(enumcreaturetype) <= k1) {
                                          SpawnerCreature.a(enumcreaturetype, this.world, chunk, blockposition);
-@@ -496,12 +546,18 @@
+@@ -507,12 +557,18 @@
  
          @Override
          protected boolean executeNext() {