SPIGOT-5901: Structures are generated in all worlds based on the setting for the main world

nms-patches/ChunkStatus.patch

@@ -0,0 +1,20 @@
+--- a/net/minecraft/server/ChunkStatus.java
++++ b/net/minecraft/server/ChunkStatus.java
+@@ -27,7 +27,7 @@
+     });
+     public static final ChunkStatus STRUCTURE_STARTS = a("structure_starts", ChunkStatus.EMPTY, 0, ChunkStatus.n, ChunkStatus.Type.PROTOCHUNK, (chunkstatus, worldserver, chunkgenerator, definedstructuremanager, lightenginethreaded, function, list, ichunkaccess) -> {
+         if (!ichunkaccess.getChunkStatus().b(chunkstatus)) {
+-            if (worldserver.getMinecraftServer().getSaveData().getGeneratorSettings().shouldGenerateMapFeatures()) {
++            if (worldserver.worldDataServer.getGeneratorSettings().shouldGenerateMapFeatures()) { // CraftBukkit
+                 chunkgenerator.createStructures(worldserver.getStructureManager(), ichunkaccess, definedstructuremanager, worldserver.getSeed());
+             }
+ 
+@@ -90,7 +90,7 @@
+         return (CompletableFuture) function.apply(ichunkaccess);
+     });
+     private static final List<ChunkStatus> q = ImmutableList.of(ChunkStatus.FULL, ChunkStatus.FEATURES, ChunkStatus.LIQUID_CARVERS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS, ChunkStatus.STRUCTURE_STARTS);
+-    private static final IntList r = (IntList) SystemUtils.a((Object) (new IntArrayList(a().size())), (intarraylist) -> {
++    private static final IntList r = (IntList) SystemUtils.a((new IntArrayList(a().size())), (java.util.function.Consumer<IntArrayList>) (intarraylist) -> { // CraftBukkit - decompile error
+         int i = 0;
+ 
+         for (int j = a().size() - 1; j >= 0; --j) {

nms-patches/WorldServer.patch

@@ -499,6 +499,15 @@
                  ++j;
              }
          }
+@@ -1074,7 +1274,7 @@
+ 
+     @Nullable
+     public BlockPosition a(StructureGenerator<?> structuregenerator, BlockPosition blockposition, int i, boolean flag) {
+-        return !this.server.getSaveData().getGeneratorSettings().shouldGenerateMapFeatures() ? null : this.getChunkProvider().getChunkGenerator().findNearestMapFeature(this, structuregenerator, blockposition, i, flag);
++        return !this.worldDataServer.getGeneratorSettings().shouldGenerateMapFeatures() ? null : this.getChunkProvider().getChunkGenerator().findNearestMapFeature(this, structuregenerator, blockposition, i, flag); // CraftBukkit
+     }
+ 
+     @Nullable
 @@ -1105,7 +1305,13 @@
      @Override
      public WorldMap a(String s) {