91 lines
3.3 KiB
Java
91 lines
3.3 KiB
Java
package eu.mikroskeem.utils.bukkit;
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import eu.mikroskeem.utils.reflect.Reflect;
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import org.bukkit.Bukkit;
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import org.bukkit.plugin.java.JavaPlugin;
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import org.bukkit.plugin.java.JavaPluginLoader;
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import org.bukkit.plugin.java.PluginClassLoader;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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public class ServerUtils {
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/**
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* Get server's TPS
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*
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* Will use PaperSpigot's API if available, reflection otherwise
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* @return double array of TPS (not rounded!), values are -1 if reflection failed
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*/
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public static double[] getTPS(){
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if(Bukkit.getVersion().contains("Paper")) {
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return Bukkit.getTPS();
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} else {
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Class<?> MinecraftServerClass = Reflect.getClass(
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String.format("net.minecraft.server.%s.MinecraftServer", getNmsVersion()));
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if(MinecraftServerClass != null){
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Method getServer = Reflect.getMethod(MinecraftServerClass, "getServer");
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Field recentTPS = Reflect.getField(MinecraftServerClass, "recentTps");
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if(getServer != null && recentTPS != null){
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Object server = Reflect.invokeMethod(getServer, null);
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try {
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return (double[]) Reflect.readField(recentTPS, server);
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} catch (NullPointerException e){}
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}
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}
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}
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return new double[]{-1, -1, -1};
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}
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/**
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* Get plugin class loader. Useful when you want to add new classes on runtime
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*
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* @param plugin Plugin which will be used to get plugin ClassLoader
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* @return Plugin ClassLoader
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*/
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@SuppressWarnings("unchecked")
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public static ClassLoader getPluginClassLoader(JavaPlugin plugin){
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JavaPluginLoader pl = (JavaPluginLoader)plugin.getPluginLoader();
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Field loadersField = Reflect.getField(pl.getClass(), "loaders");
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if(loadersField != null) {
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List<PluginClassLoader> loaders = null;
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switch (getNmsVersion()){
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case "v1_8_R3":
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case "v1_9_R1": // TODO: Check?
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case "v1_9_R2":
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loaders = new ArrayList<>(((Map<String, PluginClassLoader>)
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Reflect.readField(loadersField, pl)).values());
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break;
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case "v1_10_R1":
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case "v1_11_R1":
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loaders = (List<PluginClassLoader>) Reflect.readField(loadersField, pl);
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break;
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}
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if(loaders != null) {
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for(PluginClassLoader loader : loaders) {
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if(loader.getPlugin().getName().equals(plugin.getName())){
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return loader;
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}
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}
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}
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}
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return null;
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}
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/**
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* Get NMS version of current running server
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* @return NMS version or 0 length string
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*/
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public static String getNmsVersion(){
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try {
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String bukkitPackageName = Bukkit.getServer().getClass().getPackage().getName();
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return bukkitPackageName.substring(bukkitPackageName.lastIndexOf(".") + 1);
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} catch (NullPointerException e){
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return "";
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}
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}
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}
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