anchor.diff:    static void init() {
       if (_hasInit) return; // Prevent double init
       _hasInit = true;
  +
  +    Stopwatch initTimer = new Stopwatch()..start();
   
       // Vanilla blocks
       registerBlock("air", new Block()
  
positive.code:     // TODO: Remove once minecraft drops it
      if (_legacyId == -1) return; // Doesn't exist in the old system
      if (_allDataValues) {
        BlockRegistry.logger.warn("$this is using legacy block ids ($_legacyId)");
        // Data values don't matter for this block
        BlockRegistry._legacyMap[_legacyId] = new _SingleBlockEntry(this);
      } else {
        BlockRegistry.logger.warn("$this is using legacy block ids ($_legacyId:$_dataValue)");
        if (BlockRegistry._legacyMap[_legacyId] == null) {
          BlockRegistry._legacyMap[_legacyId] = new _MultiBlockEntry();
        }
  
negative.code:     registerBlock("null", new Block()
          ..renderable = false
          ..shade = false, plugin: "webglmap")..build();
  
      initTimer.stop();
      logger.info("Registered blocks in ${initTimer.elapsedMilliseconds}ms");
    }
  }
  
  