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Blazingly fast Minecraft world manipulation for artists, builders and everyone else.

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/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q 
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package com.sk89q.worldedit.cli;

import com.fastasyncworldedit.core.configuration.Caption;
import com.google.common.collect.ImmutableList;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.cli.data.FileRegistries;
import com.sk89q.worldedit.cli.schematic.ClipboardWorld;
import com.sk89q.worldedit.event.platform.CommandEvent;
import com.sk89q.worldedit.event.platform.PlatformReadyEvent;
import com.sk89q.worldedit.event.platform.PlatformsRegisteredEvent;
import com.sk89q.worldedit.extension.input.InputParseException;
import com.sk89q.worldedit.extension.input.ParserContext;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.extension.platform.Platform;
import com.sk89q.worldedit.extension.platform.PlatformCommandManager;
import com.sk89q.worldedit.extent.clipboard.io.BuiltInClipboardFormat;
import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormat;
import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormats;
import com.sk89q.worldedit.extent.clipboard.io.ClipboardReader;
import com.sk89q.worldedit.internal.Constants;
import com.sk89q.worldedit.internal.util.LogManagerCompat;
import com.sk89q.worldedit.registry.state.Property;
import com.sk89q.worldedit.world.biome.BiomeType;
import com.sk89q.worldedit.world.block.BlockCategory;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockType;
import com.sk89q.worldedit.world.block.FuzzyBlockState;
import com.sk89q.worldedit.world.entity.EntityType;
import com.sk89q.worldedit.world.item.ItemCategory;
import com.sk89q.worldedit.world.item.ItemType;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.Options;
import org.apache.logging.log4j.Logger;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.SequenceInputStream;
import java.io.UncheckedIOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.Arrays;
import java.util.Map;
import java.util.Scanner;

/**
 * The CLI implementation of WorldEdit.
 */
public class CLIWorldEdit {

    private static final Logger LOGGER = LogManagerCompat.getLogger();

    public static CLIWorldEdit inst;

    private CLIPlatform platform;
    private CLIConfiguration config;
    private Path workingDir;
    private String version;

    private Actor commandSender;

    private FileRegistries fileRegistries;

    public CLIWorldEdit() {
        inst = this;
    }

    private void setupPlatform() {
        WorldEdit.getInstance().getPlatformManager().register(platform);

        registerCommands();

        config = new CLIConfiguration(this);

        // There's no other platforms, so fire this immediately
        WorldEdit.getInstance().getEventBus().post(new PlatformsRegisteredEvent());

        this.fileRegistries = new FileRegistries(this);
        this.fileRegistries.loadDataFiles();
    }

    private void registerCommands() {
        PlatformCommandManager pcm = WorldEdit.getInstance().getPlatformManager()
                .getPlatformCommandManager();
        pcm.registerSubCommands(
                "cli",
                ImmutableList.of(),
                "CLI-specific commands",
                CLIExtraCommandsRegistration.builder(),
                new CLIExtraCommands()
        );
    }

    public void setupRegistries() {
        // Blocks
        for (Map.Entry manifestEntry : fileRegistries.getDataFile().blocks.entrySet()) {
            if (BlockType.REGISTRY.get(manifestEntry.getKey()) == null) {
                BlockType.REGISTRY.register(manifestEntry.getKey(), new BlockType(manifestEntry.getKey(), input -> {
                    ParserContext context = new ParserContext();
                    context.setPreferringWildcard(true);
                    context.setTryLegacy(false);
                    context.setRestricted(false);
                    try {
                        FuzzyBlockState state = (FuzzyBlockState) WorldEdit.getInstance().getBlockFactory().parseFromInput(
                                manifestEntry.getValue().defaultstate,
                                context
                        ).toImmutableState();
                        BlockState defaultState = input.getBlockType().getAllStates().get(0);
                        for (Map.Entry, Object> propertyObjectEntry : state.getStates().entrySet()) {
                            @SuppressWarnings("unchecked")
                            Property prop = (Property) propertyObjectEntry.getKey();
                            defaultState = defaultState.with(prop, propertyObjectEntry.getValue());
                        }
                        return defaultState;
                    } catch (InputParseException e) {
                        LOGGER.warn("Error loading block state for " + manifestEntry.getKey(), e);
                        return input;
                    }
                }));
            }
        }
        // Items
        for (String name : fileRegistries.getDataFile().items) {
            if (ItemType.REGISTRY.get(name) == null) {
                ItemType.REGISTRY.register(name, new ItemType(name));
            }
        }
        // Entities
        for (String name : fileRegistries.getDataFile().entities) {
            if (EntityType.REGISTRY.get(name) == null) {
                EntityType.REGISTRY.register(name, new EntityType(name));
            }
        }
        // Biomes
        for (String name : fileRegistries.getDataFile().biomes) {
            if (BiomeType.REGISTRY.get(name) == null) {
                BiomeType.REGISTRY.register(name, new BiomeType(name));
            }
        }
        // Tags
        for (String name : fileRegistries.getDataFile().blocktags.keySet()) {
            if (BlockCategory.REGISTRY.get(name) == null) {
                BlockCategory.REGISTRY.register(name, new BlockCategory(name));
            }
        }
        for (String name : fileRegistries.getDataFile().itemtags.keySet()) {
            if (ItemCategory.REGISTRY.get(name) == null) {
                ItemCategory.REGISTRY.register(name, new ItemCategory(name));
            }
        }
    }

    public void onInitialized() {
        // Setup working directory
        //FAWE start - setup Fawe directory
        workingDir = Paths.get("fastasyncworldedit");
        //FAWE end
        if (!Files.exists(workingDir)) {
            try {
                Files.createDirectory(workingDir);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
        }

        this.commandSender = new CLICommandSender(this, LOGGER);
        this.platform = new CLIPlatform(this);
        //FAWE start - identify as Fawe
        LOGGER.info("FastAsyncWorldEdit CLI (version {}) is loaded", getInternalVersion());
        //FAWE end
    }

    public void onStarted() {
        setupPlatform();

        setupRegistries();
        WorldEdit.getInstance().loadMappings();

        config.load();

        WorldEdit.getInstance().getEventBus().post(new PlatformReadyEvent(platform));
    }

    public void onStopped() {
        WorldEdit worldEdit = WorldEdit.getInstance();
        worldEdit.getSessionManager().unload();
        worldEdit.getPlatformManager().unregister(platform);
    }

    public FileRegistries getFileRegistries() {
        return this.fileRegistries;
    }

    /**
     * Get the configuration.
     *
     * @return the CLI configuration
     */
    CLIConfiguration getConfig() {
        return this.config;
    }

    /**
     * Get the WorldEdit proxy for the platform.
     *
     * @return the WorldEdit platform
     */
    public Platform getPlatform() {
        return this.platform;
    }

    /**
     * Get the working directory where WorldEdit's files are stored.
     *
     * @return the working directory
     */
    public Path getWorkingDir() {
        return this.workingDir;
    }

    /**
     * Get the version of the WorldEdit-CLI implementation.
     *
     * @return a version string
     */
    String getInternalVersion() {
        if (version == null) {
            version = getClass().getPackage().getImplementationVersion();
        }
        return version;
    }

    public void saveAllWorlds(boolean force) {
        platform.getWorlds().stream()
                .filter(world -> world instanceof CLIWorld)
                .forEach(world -> ((CLIWorld) world).save(force));
    }

    public void run(InputStream inputStream) {
        try (Scanner scanner = new Scanner(inputStream)) {
            while (true) {
                System.err.print("> ");
                if (!scanner.hasNextLine()) {
                    break;
                }
                String line = scanner.nextLine();
                if (line.isEmpty()) {
                    continue;
                }
                if (line.equals("stop")) {
                    commandSender.print(Caption.of("worldedit.cli.stopping"));
                    break;
                }
                CommandEvent event = new CommandEvent(commandSender, line);
                WorldEdit.getInstance().getEventBus().post(event);
                if (!event.isCancelled()) {
                    commandSender.print(Caption.of("worldedit.cli.unknown-command"));
                } else {
                    saveAllWorlds(false);
                }
            }
        } finally {
            saveAllWorlds(false);
        }
    }

    public static void main(String[] args) {
        Options options = new Options();
        options.addOption("f", "file", true, "The file to load in. Either a schematic, or a level.dat in a world folder.");
        options.addOption("s", "script", true, "A file containing a list of commands to run. Newline separated.");
        int exitCode = 0;

        CLIWorldEdit app = new CLIWorldEdit();
        app.onInitialized();

        InputStream inputStream = System.in;

        try {
            CommandLine cmd = new DefaultParser().parse(options, args);

            String fileArg = cmd.getOptionValue('f');
            File file;
            if (fileArg == null) {
                String[] formats = Arrays.copyOf(
                        ClipboardFormats.getFileExtensionArray(),
                        ClipboardFormats.getFileExtensionArray().length + 1
                );
                formats[formats.length - 1] = "dat";
                file = app.commandSender.openFileOpenDialog(formats);
            } else {
                file = new File(fileArg);
            }
            if (file == null) {
                throw new IllegalArgumentException("A file must be provided!");
            }
            LOGGER.info(() -> "Loading '" + file + "'...");
            if (file.getName().endsWith("level.dat")) {
                throw new IllegalArgumentException("level.dat file support is unfinished.");
            } else {
                ClipboardFormat format = ClipboardFormats.findByFile(file);
                if (format != null) {
                    int dataVersion;
                    if (format != BuiltInClipboardFormat.MCEDIT_SCHEMATIC) {
                        try (ClipboardReader dataVersionReader = format.getReader(
                                Files.newInputStream(file.toPath(), StandardOpenOption.READ)
                        )) {
                            dataVersion = dataVersionReader.getDataVersion()
                                    .orElseThrow(() -> new IllegalArgumentException(
                                            "Failed to obtain data version from schematic."));
                        }
                    } else {
                        dataVersion = Constants.DATA_VERSION_MC_1_13_2;
                    }
                    app.platform.setDataVersion(dataVersion);
                    app.onStarted();
                    ClipboardWorld world;
                    try (ClipboardReader clipboardReader = format.getReader(Files.newInputStream(
                            file.toPath(),
                            StandardOpenOption.READ
                    ))) {
                        world = new ClipboardWorld(
                                file,
                                clipboardReader.read(),
                                file.getName()
                        );
                    }
                    app.platform.addWorld(world);
                    WorldEdit.getInstance().getSessionManager().get(app.commandSender).setWorldOverride(world);
                } else {
                    throw new IllegalArgumentException("Unknown file provided!");
                }
            }
            LOGGER.info(() -> "Loaded '" + file + "'");

            String scriptFile = cmd.getOptionValue('s');
            if (scriptFile != null) {
                File scriptFileHandle = new File(scriptFile);
                if (!scriptFileHandle.exists()) {
                    throw new IllegalArgumentException("Could not find given script file.");
                }
                InputStream scriptStream = Files.newInputStream(scriptFileHandle.toPath(), StandardOpenOption.READ);
                InputStream newLineStream = new ByteArrayInputStream("\n".getBytes(StandardCharsets.UTF_8));
                // Cleaner to do this than make an Enumeration :(
                inputStream = new SequenceInputStream(new SequenceInputStream(scriptStream, newLineStream), inputStream);
            }

            app.run(inputStream);
        } catch (Exception e) {
            e.printStackTrace();
            exitCode = 1;
        } finally {
            app.onStopped();
            try {
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        System.exit(exitCode);
    }

}
    

    

    

            

    

            



    
    






    
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