File mcDir = CodeChickenCorePlugin.minecraftDir;
if (config.getTag("dev.deobfuscate")
.setComment("set to true to completely deobfuscate mcp names")
.getBooleanValue(!ObfMapping.obfuscated)) {
run = new ObfuscationRun(false, ObfMapping.MCPRemapper.getConfFiles(),
ObfuscationRun.fillDefaults(new HashMap<String, String>()));
run.obf.setHeirachyEvaluator(instance);
run.setQuiet().parseMappings();
for (String pkg : run.config.get("excludedPackages").split(";"))
excludedPackages.add(pkg);