462 lines
18 KiB
Java
462 lines
18 KiB
Java
package carpet.script;
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import carpet.script.bundled.BundledModule;
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import carpet.CarpetSettings;
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import carpet.CarpetServer;
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import carpet.script.bundled.FileModule;
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import carpet.script.bundled.Module;
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import carpet.script.command.CommandArgument;
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import carpet.script.exception.InvalidCallbackException;
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import carpet.script.value.FunctionValue;
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import carpet.script.value.StringValue;
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import carpet.script.value.Value;
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import carpet.utils.Messenger;
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import com.mojang.brigadier.arguments.StringArgumentType;
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import com.mojang.brigadier.builder.LiteralArgumentBuilder;
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import com.mojang.brigadier.builder.RequiredArgumentBuilder;
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import com.mojang.brigadier.context.CommandContext;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
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import com.mojang.brigadier.tree.CommandNode;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.command.ServerCommandSource;
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import net.minecraft.server.network.ServerPlayerEntity;
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import net.minecraft.text.LiteralText;
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import net.minecraft.util.WorldSavePath;
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import net.minecraft.util.math.BlockPos;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Set;
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import java.util.stream.Collectors;
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import static net.minecraft.server.command.CommandManager.argument;
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import static net.minecraft.server.command.CommandManager.literal;
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public class CarpetScriptServer
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{
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//make static for now, but will change that later:
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public final MinecraftServer server;
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public CarpetScriptHost globalHost;
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public Map<String, CarpetScriptHost> modules;
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public Set<String> unloadableModules;
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public long tickStart;
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public boolean stopAll;
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private Set<String> holyMoly;
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public CarpetEventServer events;
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private static final List<Module> bundledModuleData = new ArrayList<>();
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private static final List<Module> ruleModuleData = new ArrayList<>();
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public static void registerBuiltInScript(BundledModule app)
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{
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bundledModuleData.add(app);
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}
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/**
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* Registers a Scarpet App to be used as a Rule App
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* (to be controlled with the value of a Carpet rule)
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*
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* @param app is the BundledModule of an app. Libraries
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* should be registered as builtInScripts instead
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*/
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public static void registerSettingsApp(BundledModule app) {
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ruleModuleData.add(app);
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}
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static
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{
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registerBuiltInScript(BundledModule.carpetNative("camera", false));
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registerBuiltInScript(BundledModule.carpetNative("overlay", false));
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registerBuiltInScript(BundledModule.carpetNative("event_test", false));
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registerBuiltInScript(BundledModule.carpetNative("stats_test", false));
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registerBuiltInScript(BundledModule.carpetNative("math", true));
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registerBuiltInScript(BundledModule.carpetNative("chunk_display", false));
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registerBuiltInScript(BundledModule.carpetNative("ai_tracker", false));
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}
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public CarpetScriptServer(MinecraftServer server)
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{
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this.server = server;
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init();
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}
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private void init()
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{
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ScriptHost.systemGlobals.clear();
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events = new CarpetEventServer(server);
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modules = new HashMap<>();
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unloadableModules = new HashSet<String>();
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tickStart = 0L;
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stopAll = false;
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holyMoly = server.getCommandManager().getDispatcher().getRoot().getChildren().stream().map(CommandNode::getName).collect(Collectors.toSet());
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globalHost = CarpetScriptHost.create(this, null, false, null);
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}
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public void initializeForWorld()
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{
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CarpetServer.settingsManager.initializeScarpetRules();
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CarpetServer.extensions.forEach(e -> {
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if (e.customSettingsManager() != null) {
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e.customSettingsManager().initializeScarpetRules();
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}
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});
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if (CarpetSettings.scriptsAutoload)
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{
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Messenger.m(server.getCommandSource(), "Auto-loading world scarpet apps");
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for (String moduleName: listAvailableModules(false))
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{
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addScriptHost(server.getCommandSource(), moduleName, true, true, false);
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}
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}
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}
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public Module getModule(String name, boolean allowLibraries)
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{
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File folder = server.getSavePath(WorldSavePath.ROOT).resolve("scripts").toFile();
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File[] listOfFiles = folder.listFiles();
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if (listOfFiles != null)
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for (File script : listOfFiles)
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{
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if (script.getName().equalsIgnoreCase(name+".sc"))
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{
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return new FileModule(script);
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}
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if (allowLibraries && script.getName().equalsIgnoreCase(name+".scl"))
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{
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return new FileModule(script);
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}
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}
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for (Module moduleData : bundledModuleData)
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{
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if (moduleData.getName().equalsIgnoreCase(name) && (allowLibraries || !moduleData.isLibrary()))
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{
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return moduleData;
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}
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}
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return null;
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}
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public Module getRuleModule(String name)
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{
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for (Module moduleData : ruleModuleData)
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{
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if (moduleData.getName().equalsIgnoreCase(name))
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{
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return moduleData;
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}
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}
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return null;
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}
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public List<String> listAvailableModules(boolean includeBuiltIns)
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{
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List<String> moduleNames = new ArrayList<>();
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if (includeBuiltIns)
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{
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for (Module mi : bundledModuleData)
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{
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if (!mi.isLibrary()) moduleNames.add(mi.getName());
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}
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}
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File folder = server.getSavePath(WorldSavePath.ROOT).resolve("scripts").toFile();
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File[] listOfFiles = folder.listFiles();
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if (listOfFiles == null)
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return moduleNames;
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for (File script : listOfFiles)
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{
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if (script.getName().endsWith(".sc"))
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{
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String name = script.getName().replaceFirst("\\.sc","").toLowerCase(Locale.ROOT);
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moduleNames.add(name);
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}
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}
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return moduleNames;
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}
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public ScriptHost getHostByName(String name)
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{
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if (name == null)
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return globalHost;
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return modules.get(name);
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}
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public boolean addScriptHost(ServerCommandSource source, String name, boolean perPlayer, boolean autoload, boolean isRuleApp)
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{
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//TODO add per player modules to support player actions better on a server
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long start = System.nanoTime();
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name = name.toLowerCase(Locale.ROOT);
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boolean reload = false;
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if (modules.containsKey(name))
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{
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if (isRuleApp) return false;
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removeScriptHost(source, name, false, isRuleApp);
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reload = true;
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}
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Module module = isRuleApp ? getRuleModule(name) : getModule(name, false);
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if (module == null)
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{
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Messenger.m(source, "r Failed to add "+name+" app");
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return false;
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}
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CarpetScriptHost newHost = CarpetScriptHost.create(this, module, perPlayer, source);
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if (newHost == null)
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{
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Messenger.m(source, "r Failed to add "+name+" app");
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return false;
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}
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// config needs to be read as we load the app since some events use that info
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//if (!newHost.readConfig())
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//{
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// Messenger.m(source, "r Failed to add "+name+" app: invalid app config (via '__config()' function)");
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// return false;
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//}
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if (module == null)
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{
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Messenger.m(source, "r Unable to locate the app, but created empty "+name+" app instead");
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modules.put(name, newHost);
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return true;
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}
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String code = module.getCode();
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if (module.getCode() == null)
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{
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Messenger.m(source, "r Unable to load "+name+" app - not found");
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return false;
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}
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modules.put(name, newHost);
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if (!isRuleApp) unloadableModules.add(name);
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if (autoload && !newHost.persistenceRequired)
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{
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removeScriptHost(source, name, false, false);
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return false;
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}
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//addEvents(source, name);
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if (!addLegacyCommand(source, name, reload, !isRuleApp)) // this needs to be moved to config reader, only supporting legacy command here
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{
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removeScriptHost(source, name, false, false);
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Messenger.m(source, "r Failed to build command system for "+name+" thus failed to load the app");
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return false;
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}
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long end = System.nanoTime();
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CarpetSettings.LOG.info("App "+name+" loaded in "+(end-start)/1000000+" ms");
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return true;
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}
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private boolean addLegacyCommand(ServerCommandSource source, String hostName, boolean isReload, boolean notifySource)
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{
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CarpetScriptHost host = modules.get(hostName);
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String loaded = isReload?"reloaded":"loaded";
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if (host == null)
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{
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return true;
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}
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if (host.getFunction("__command") == null)
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{
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if (notifySource) Messenger.m(source, "gi "+hostName+" app "+loaded+".");
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return true;
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}
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if (holyMoly.contains(hostName))
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{
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Messenger.m(source, "gi "+hostName+" app "+loaded+" with no command.");
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Messenger.m(source, "gi Tried to mask vanilla command.");
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return true;
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}
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LiteralArgumentBuilder<ServerCommandSource> command = literal(hostName).
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requires((player) -> modules.containsKey(hostName)).
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executes( (c) ->
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{
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Value response = modules.get(hostName).retrieveForExecution(c.getSource()).
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handleCommandLegacy(c.getSource(),"__command", null, "");
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if (!response.isNull()) Messenger.m(c.getSource(), "gi "+response.getString());
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return (int)response.readInteger();
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});
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for (String function : host.globaFunctionNames(host.main, s -> !s.startsWith("_")).sorted().collect(Collectors.toList()))
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{
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if (host.appConfig.containsKey(StringValue.of("legacy_command_type_support"))) // temporary stuff for testing
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{
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try
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{
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command = getFancyCommand(command, host, host.getFunction(function));
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}
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catch (CommandSyntaxException e)
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{
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return false;
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}
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}
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else
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{
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command = command.
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then(literal(function).
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requires((player) -> modules.containsKey(hostName) && modules.get(hostName).getFunction(function) != null).
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executes((c) -> {
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Value response = modules.get(hostName).retrieveForExecution(c.getSource()).
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handleCommandLegacy(c.getSource(), function, null, "");
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if (!response.isNull()) Messenger.m(c.getSource(), "gi " + response.getString());
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return (int) response.readInteger();
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}).
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then(argument("args...", StringArgumentType.greedyString()).
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executes( (c) -> {
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Value response = modules.get(hostName).retrieveForExecution(c.getSource()).
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handleCommandLegacy(c.getSource(), function,null, StringArgumentType.getString(c, "args..."));
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if (!response.isNull()) Messenger.m(c.getSource(), "gi "+response.getString());
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return (int)response.readInteger();
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})));
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}
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}
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if (notifySource) Messenger.m(source, "gi "+hostName+" app "+loaded+" with /"+hostName+" command");
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server.getCommandManager().getDispatcher().register(command);
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CarpetServer.settingsManager.notifyPlayersCommandsChanged();
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return true;
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}
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private int execute(CommandContext<ServerCommandSource> ctx, String hostName, FunctionValue function, List<String> paramNames) throws CommandSyntaxException
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{
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CarpetScriptHost cHost = modules.get(hostName).retrieveForExecution(ctx.getSource());
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List<String> argNames = function.getArguments();
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if (argNames.size() != paramNames.size())
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throw new SimpleCommandExceptionType(new LiteralText("Target function "+function.getPrettyString()+" as wrong number of arguments, required "+paramNames.size()+", found "+argNames.size())).create();
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List<Value> args = new ArrayList<>(argNames.size());
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for (String s : paramNames)
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{
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args.add(CommandArgument.getValue(ctx, s, cHost));
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}
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Value response = cHost.handleCommand(ctx.getSource(), function, args);
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if (!response.isNull()) Messenger.m(ctx.getSource(), "gi " + response.getString());
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return (int) response.readInteger();
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}
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private LiteralArgumentBuilder<ServerCommandSource> getFancyCommand(LiteralArgumentBuilder<ServerCommandSource> command, CarpetScriptHost host, FunctionValue function ) throws CommandSyntaxException
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{
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List<String> argNames = function.getArguments();
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String hostName = host.getName();
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if (argNames.size() == 0)
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{
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return command.then(literal(function.getString()).
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requires((player) -> modules.containsKey(hostName)).
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executes((c) -> execute(c, hostName, function, Collections.emptyList())));
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}
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else
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{
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List<String> reversedArgs = new ArrayList<>(argNames);
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Collections.reverse(reversedArgs);
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RequiredArgumentBuilder<ServerCommandSource, ?> argChain = CommandArgument.argumentNode(reversedArgs.get(0), host).executes(c -> execute(c, hostName, function, argNames));
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for (int i = 1; i < reversedArgs.size(); i++)
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{
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argChain = CommandArgument.argumentNode(reversedArgs.get(i), host).then(argChain);
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}
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return command.then(literal(function.getString()).
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requires((player) -> modules.containsKey(hostName)).
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then(argChain)
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);
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}
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}
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public boolean removeScriptHost(ServerCommandSource source, String name, boolean notifySource, boolean isRuleApp)
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{
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name = name.toLowerCase(Locale.ROOT);
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if (!modules.containsKey(name) || (!isRuleApp && !unloadableModules.contains(name)))
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{
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if (notifySource) Messenger.m(source, "r No such app found: ", "wb " + name);
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return false;
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}
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// stop all events associated with name
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events.removeAllHostEvents(modules.get(name));
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modules.get(name).onClose();
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modules.remove(name);
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if (!isRuleApp) unloadableModules.remove(name);
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CarpetServer.settingsManager.notifyPlayersCommandsChanged();
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if (notifySource) Messenger.m(source, "gi Removed "+name+" app");
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return true;
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}
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public boolean runas(ServerCommandSource source, String hostname, FunctionValue udf, List<Value> argv)
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{
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return runas(BlockPos.ORIGIN, source, hostname, udf, argv);
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}
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public boolean runas(BlockPos origin, ServerCommandSource source, String hostname, FunctionValue udf, List<Value> argv)
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{
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CarpetScriptHost host = globalHost;
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try
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{
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if (hostname != null)
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host = modules.get(hostname).retrieveForExecution(source);
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host.callUDF(origin, source, udf, argv);
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}
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catch (NullPointerException | InvalidCallbackException npe)
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{
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return false;
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}
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return true;
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}
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public Boolean runForPlayer(ServerPlayerEntity recipient, String hostname, FunctionValue udf, List<Value> argv)
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{
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CarpetScriptHost host;
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ServerCommandSource source;
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if (hostname == null)
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{
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if (recipient != null) return null;
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host = globalHost;
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source = server.getCommandSource();
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}
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else
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{
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host = modules.get(hostname).retrieveForExecution(recipient);
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if (host == null) // not applicable
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return null;
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source = (recipient == null)? server.getCommandSource() : recipient.getCommandSource();
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}
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try
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{
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host.callUDF(BlockPos.ORIGIN, source.withLevel(CarpetSettings.runPermissionLevel), udf, argv);
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}
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catch (NullPointerException | InvalidCallbackException npe)
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{
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return false;
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}
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return true;
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}
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public void tick()
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{
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events.tick();
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for (CarpetScriptHost host : modules.values())
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{
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host.tick();
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}
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}
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public void onClose()
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{
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for (ScriptHost host : modules.values())
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{
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host.onClose();
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}
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}
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public void reload(MinecraftServer server)
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{
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Map<String, Boolean> apps = new HashMap<>();
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modules.forEach((s, h) -> apps.put(s, h.perUser));
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apps.keySet().forEach(s -> removeScriptHost(server.getCommandSource(), s, false, false));
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CarpetEventServer.Event.clearAllBuiltinEvents();
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init();
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apps.forEach((s, pp) -> addScriptHost(server.getCommandSource(), s, pp, false, false));
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}
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}
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