public static void onServerChanged(MinecraftServer server, WorldInfo worldInfo) { COWorldConfig.clearWorldConfigs(); ; COWorldConfig.loadedOptionOverrides[1] = COWorldConfig.loadedOptionOverrides[2] = null; _populatedChunks.clear(); _server = server; BiomeGenBase[] worldBaseDir = BiomeGenBase.biomeList; int saveFormat = worldBaseDir.length; for (int cfg = 0; cfg < saveFormat; ++cfg) { BiomeGenBase ex = worldBaseDir[cfg]; if (ex != null && ex.theBiomeDecorator != null) { patchBiomeDecorator(ex.theBiomeDecorator); } } File saveDir = null; ISaveFormat var9 = _server.getActiveAnvilConverter(); if (var9 != null && var9 instanceof SaveFormatOld) { saveDir = ((SaveFormatOld) var9).getSavesDirectory(); } saveDir = new File(saveDir, _server.getFolderName()); COWorldConfig var10 = null; while (var10 == null) { try { var10 = new COWorldConfig(worldInfo, saveDir); COWorldConfig.validateOptions(var10.getConfigOptions(), false); COWorldConfig.validateDistributions(var10.getOreDistributions(), false); } catch (Exception var7) { if (!COErrorHandler.onConfigError(var7)) { break; } var10 = null; } } }