/** Initialise mod hooks */
private void initHooks() {
try {
// Chat hook
if ((chatListeners.size() > 0 || chatFilters.size() > 0) && !chatHooked) {
chatHooked = true;
HookChat.Register();
HookChat.RegisterPacketHandler(this);
}
// Login hook
if ((preLoginListeners.size() > 0 || loginListeners.size() > 0) && !loginHooked) {
loginHooked = true;
ModUtilities.registerPacketOverride(1, HookLogin.class);
HookLogin.loader = this;
}
// Plugin channels hook
if (pluginChannelListeners.size() > 0 && !pluginChannelHooked) {
pluginChannelHooked = true;
HookPluginChannels.Register();
HookPluginChannels.RegisterPacketHandler(this);
}
// Tick hook
if (!tickHooked) {
tickHooked = true;
PrivateFields.minecraftProfiler.SetFinal(minecraft, new HookProfiler(this, logger));
}
} catch (Exception ex) {
logger.log(Level.WARNING, "Error creating hooks", ex);
ex.printStackTrace();
}
}
/**
* Find mod classes in the class path and enumerated mod files list
*
* @param classPathEntries Java class path split into string entries
* @return map of classes to load
*/
private HashMap<String, Class> findModClasses(
String[] classPathEntries, LinkedList<File> modFiles) {
// To try to avoid loading the same mod multiple times if it appears in more than one entry in
// the class path, we index
// the mods by name and hopefully match only a single instance of a particular mod
HashMap<String, Class> modsToLoad = new HashMap<String, Class>();
try {
logger.info("Searching protection domain code source...");
File packagePath =
new File(LiteLoader.class.getProtectionDomain().getCodeSource().getLocation().toURI());
LinkedList<Class> modClasses =
getSubclassesFor(packagePath, Minecraft.class.getClassLoader(), LiteMod.class, "LiteMod");
for (Class mod : modClasses) {
modsToLoad.put(mod.getSimpleName(), mod);
}
if (modClasses.size() > 0)
logger.info(String.format("Found %s potential matches", modClasses.size()));
} catch (Throwable th) {
logger.warning("Error loading from local class path: " + th.getMessage());
}
// Search through the class path and find mod classes
for (String classPathPart : classPathEntries) {
logger.info(String.format("Searching %s...", classPathPart));
File packagePath = new File(classPathPart);
LinkedList<Class> modClasses =
getSubclassesFor(packagePath, Minecraft.class.getClassLoader(), LiteMod.class, "LiteMod");
for (Class mod : modClasses) {
modsToLoad.put(mod.getSimpleName(), mod);
}
if (modClasses.size() > 0)
logger.info(String.format("Found %s potential matches", modClasses.size()));
}
// Search through mod files and find mod classes
for (File modFile : modFiles) {
logger.info(String.format("Searching %s...", modFile.getAbsolutePath()));
LinkedList<Class> modClasses =
getSubclassesFor(modFile, Minecraft.class.getClassLoader(), LiteMod.class, "LiteMod");
for (Class mod : modClasses) {
modsToLoad.put(mod.getSimpleName(), mod);
}
if (modClasses.size() > 0)
logger.info(String.format("Found %s potential matches", modClasses.size()));
}
return modsToLoad;
}
/** Enumerate the java class path and "mods" folder to find mod classes, then load the classes */
private void prepareMods() {
// List of mod files in the "mods" folder
LinkedList<File> modFiles = new LinkedList<File>();
// Find and enumerate the "mods" folder
File modFolder = getModsFolder();
if (modFolder.exists() && modFolder.isDirectory()) {
logger.info("Mods folder found, searching " + modFolder.getPath());
findModFiles(modFolder, modFiles);
logger.info("Found " + modFiles.size() + " mod file(s)");
}
// Find and enumerate classes on the class path
HashMap<String, Class> modsToLoad = null;
try {
logger.info("Enumerating class path...");
String classPath = System.getProperty("java.class.path");
String classPathSeparator = System.getProperty("path.separator");
String[] classPathEntries = classPath.split(classPathSeparator);
logger.info(String.format("Class path separator=\"%s\"", classPathSeparator));
logger.info(
String.format(
"Class path entries=(\n classpathEntry=%s\n)",
classPath.replace(classPathSeparator, "\n classpathEntry=")));
logger.info("Loading mods from class path...");
modsToLoad = findModClasses(classPathEntries, modFiles);
logger.info("Mod class discovery completed");
} catch (Throwable th) {
logger.log(Level.WARNING, "Mod class discovery failed", th);
return;
}
loadMods(modsToLoad);
}