package emu.grasscutter.plugin.api; import emu.grasscutter.Grasscutter; import emu.grasscutter.auth.AuthenticationSystem; import emu.grasscutter.command.Command; import emu.grasscutter.command.CommandHandler; import emu.grasscutter.game.player.Player; import emu.grasscutter.server.game.GameServer; import emu.grasscutter.server.http.HttpServer; import emu.grasscutter.server.http.Router; import java.util.LinkedList; import java.util.List; /** * Hooks into the {@link GameServer} class, adding convenient ways to do certain things. */ public final class ServerHook { private static ServerHook instance; private final GameServer gameServer; private final HttpServer httpServer; /** * Gets the server hook instance. * @return A {@link ServerHook} singleton. */ public static ServerHook getInstance() { return instance; } /** * Hooks into a server. * @param gameServer The game server to hook into. * @param httpServer The HTTP server to hook into. */ public ServerHook(GameServer gameServer, HttpServer httpServer) { this.gameServer = gameServer; this.httpServer = httpServer; instance = this; } /** * @return The game server. */ public GameServer getGameServer() { return this.gameServer; } /** * @return The HTTP server. */ public HttpServer getHttpServer() { return this.httpServer; } /** * Gets all online players. * @return Players connected to the server. */ public List getOnlinePlayers() { return new LinkedList<>(this.gameServer.getPlayers().values()); } /** * Registers a command to the {@link emu.grasscutter.command.CommandMap}. * @param handler The command handler. */ public void registerCommand(CommandHandler handler) { Class clazz = handler.getClass(); if(!clazz.isAnnotationPresent(Command.class)) throw new IllegalArgumentException("Command handler must be annotated with @Command."); Command commandData = clazz.getAnnotation(Command.class); this.gameServer.getCommandMap().registerCommand(commandData.label(), handler); } /** * Adds a router using an instance of a class. * @param router A router instance. */ public void addRouter(Router router) { this.addRouter(router.getClass()); } /** * Adds a router using a class. * @param router The class of the router. */ public void addRouter(Class router) { this.httpServer.addRouter(router); } /** * Sets the server's authentication system. * @param authSystem An instance of the authentication system. */ public void setAuthSystem(AuthenticationSystem authSystem) { Grasscutter.setAuthenticationSystem(authSystem); } }