    001/*
    002 * Copyright (c) 2016-2017 Daniel Ennis (Aikar) - MIT License
    003 *
    004 *  Permission is hereby granted, free of charge, to any person obtaining
    005 *  a copy of this software and associated documentation files (the
    006 *  "Software"), to deal in the Software without restriction, including
    007 *  without limitation the rights to use, copy, modify, merge, publish,
    008 *  distribute, sublicense, and/or sell copies of the Software, and to
    009 *  permit persons to whom the Software is furnished to do so, subject to
    010 *  the following conditions:
    011 *
    012 *  The above copyright notice and this permission notice shall be
    013 *  included in all copies or substantial portions of the Software.
    014 *
    015 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    016 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    017 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    018 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    019 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    020 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
    021 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    022 */
    023
    024package co.aikar.commands;
    025
    026import co.aikar.commands.bukkit.contexts.OnlinePlayer;
    027import org.bukkit.Bukkit;
    028import org.bukkit.ChatColor;
    029import org.bukkit.Location;
    030import org.bukkit.OfflinePlayer;
    031import org.bukkit.World;
    032import org.bukkit.command.BlockCommandSender;
    033import org.bukkit.command.CommandSender;
    034import org.bukkit.entity.Entity;
    035import org.bukkit.entity.Player;
    036import org.bukkit.inventory.PlayerInventory;
    037import org.jetbrains.annotations.Nullable;
    038
    039import java.util.HashSet;
    040import java.util.Set;
    041import java.util.UUID;
    042import java.util.regex.Pattern;
    043import java.util.stream.Collectors;
    044import java.util.stream.Stream;
    045
    046@SuppressWarnings("WeakerAccess")
    047public class BukkitCommandContexts extends CommandContexts<BukkitCommandExecutionContext> {
    048
    049    public BukkitCommandContexts(BukkitCommandManager manager) {
    050        super(manager);
    051
    052        registerContext(OnlinePlayer.class, c -> getOnlinePlayer(c.getIssuer(), c.popFirstArg(), c.isOptional()));
    053        registerContext(co.aikar.commands.contexts.OnlinePlayer.class, c -> {
    054            OnlinePlayer onlinePlayer = getOnlinePlayer(c.getIssuer(), c.popFirstArg(), c.isOptional());
    055            return onlinePlayer != null ? new co.aikar.commands.contexts.OnlinePlayer(onlinePlayer.getPlayer()) : null;
    056        });
    057        registerContext(OnlinePlayer[].class, (c) -> {
    058            BukkitCommandIssuer issuer = c.getIssuer();
    059            final String search = c.popFirstArg();
    060            boolean allowMissing = c.hasFlag("allowmissing");
    061            Set<OnlinePlayer> players = new HashSet<>();
    062            Pattern split = ACFPatterns.COMMA;
    063            String splitter = c.getFlagValue("splitter", (String) null);
    064            if (splitter != null) {
    065                split = Pattern.compile(Pattern.quote(splitter));
    066            }
    067            for (String lookup : split.split(search)) {
    068                OnlinePlayer player = getOnlinePlayer(issuer, lookup, allowMissing);
    069                if (player != null) {
    070                    players.add(player);
    071                }
    072            }
    073            if (players.isEmpty() && !c.hasFlag("allowempty")) {
    074                issuer.sendError(MinecraftMessageKeys.NO_PLAYER_FOUND_SERVER,
    075                        "{search}", search);
    076
    077                throw new InvalidCommandArgument(false);
    078            }
    079            return players.toArray(new OnlinePlayer[players.size()]);
    080        });
    081        registerIssuerAwareContext(World.class, (c) -> {
    082            String firstArg = c.getFirstArg();
    083            World world = firstArg != null ? Bukkit.getWorld(firstArg) : null;
    084            if (world != null) {
    085                c.popFirstArg();
    086            }
    087            if (world == null && c.getSender() instanceof Player) {
    088                world = ((Entity) c.getSender()).getWorld();
    089            }
    090            if (world == null) {
    091                throw new InvalidCommandArgument(MinecraftMessageKeys.INVALID_WORLD);
    092            }
    093            return world;
    094        });
    095        registerIssuerAwareContext(CommandSender.class, BukkitCommandExecutionContext::getSender);
    096        registerIssuerAwareContext(Player.class, (c) -> {
    097            boolean isOptional = c.isOptional();
    098            CommandSender sender = c.getSender();
    099            boolean isPlayerSender = sender instanceof Player;
    100            if (!c.hasFlag("other")) {
    101                Player player = isPlayerSender ? (Player) sender : null;
    102                if (player == null && !isOptional) {
    103                    throw new InvalidCommandArgument(MessageKeys.NOT_ALLOWED_ON_CONSOLE, false);
    104                }
    105                PlayerInventory inventory = player != null ? player.getInventory() : null;
    106                if (inventory != null && c.hasFlag("itemheld") && !ACFBukkitUtil.isValidItem(inventory.getItem(inventory.getHeldItemSlot()))) {
    107                    throw new InvalidCommandArgument(MinecraftMessageKeys.YOU_MUST_BE_HOLDING_ITEM, false);
    108                }
    109                return player;
    110            } else {
    111                String arg = c.popFirstArg();
    112                if (arg == null && isOptional) {
    113                    if (c.hasFlag("defaultself")) {
    114                        if (isPlayerSender) {
    115                            return (Player) sender;
    116                        } else {
    117                            throw new InvalidCommandArgument(MessageKeys.NOT_ALLOWED_ON_CONSOLE, false);
    118                        }
    119                    } else {
    120                        return null;
    121                    }
    122                } else if (arg == null) {
    123                    throw new InvalidCommandArgument();
    124                }
    125
    126                OnlinePlayer onlinePlayer = getOnlinePlayer(c.getIssuer(), arg, isOptional);
    127                return onlinePlayer != null ? onlinePlayer.getPlayer() : null;
    128            }
    129        });
    130        registerContext(OfflinePlayer.class, c -> {
    131            String name = c.popFirstArg();
    132            UUID uuid = null;
    133            if (c.hasFlag("uuid")) {
    134                uuid = UUID.fromString(name);
    135            }
    136            OfflinePlayer offlinePlayer = uuid != null ? Bukkit.getOfflinePlayer(uuid) : Bukkit.getOfflinePlayer(name);
    137            if (offlinePlayer == null || (!offlinePlayer.hasPlayedBefore() && !offlinePlayer.isOnline())) {
    138                throw new InvalidCommandArgument(MinecraftMessageKeys.NO_PLAYER_FOUND_OFFLINE,
    139                        "{search}", name);
    140            }
    141            return offlinePlayer;
    142        });
    143        registerContext(ChatColor.class, c -> {
    144            String first = c.popFirstArg();
    145            Stream<ChatColor> colors = Stream.of(ChatColor.values());
    146            if (c.hasFlag("colorsonly")) {
    147                colors = colors.filter(color -> color.ordinal() <= 0xF);
    148            }
    149            String filter = c.getFlagValue("filter", (String) null);
    150            if (filter != null) {
    151                filter = ACFUtil.simplifyString(filter);
    152                String finalFilter = filter;
    153                colors = colors.filter(color -> finalFilter.equals(ACFUtil.simplifyString(color.name())));
    154            }
    155
    156            ChatColor match = ACFUtil.simpleMatch(ChatColor.class, first);
    157            if (match == null) {
    158                String valid = colors
    159                        .map(color -> "<c2>" + ACFUtil.simplifyString(color.name()) + "</c2>")
    160                        .collect(Collectors.joining("<c1>,</c1> "));
    161
    162                throw new InvalidCommandArgument(MessageKeys.PLEASE_SPECIFY_ONE_OF, "{valid}", valid);
    163            }
    164            return match;
    165        });
    166        registerContext(Location.class, c -> {
    167            String input = c.popFirstArg();
    168            CommandSender sender = c.getSender();
    169            String[] split = ACFPatterns.COLON.split(input, 2);
    170            if (split.length == 0) {
    171                throw new InvalidCommandArgument(true);
    172            }
    173            if (split.length < 2 && !(sender instanceof Player) && !(sender instanceof BlockCommandSender)) {
    174                throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_WORLD);
    175            }
    176            final String world;
    177            final String rest;
    178            Location sourceLoc = null;
    179            if (split.length == 2) {
    180                world = split[0];
    181                rest = split[1];
    182            } else if (sender instanceof Player) {
    183                sourceLoc = ((Player) sender).getLocation();
    184                world = sourceLoc.getWorld().getName();
    185                rest = split[0];
    186            } else if (sender instanceof BlockCommandSender) {
    187                sourceLoc = ((BlockCommandSender) sender).getBlock().getLocation();
    188                world = sourceLoc.getWorld().getName();
    189                rest = split[0];
    190            } else {
    191                throw new InvalidCommandArgument(true);
    192            }
    193
    194            boolean rel = rest.startsWith("~");
    195            split = ACFPatterns.COMMA.split(rel ? rest.substring(1) : rest);
    196            if (split.length < 3) {
    197                throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_XYZ);
    198            }
    199
    200            Double x = ACFUtil.parseDouble(split[0]);
    201            Double y = ACFUtil.parseDouble(split[1]);
    202            Double z = ACFUtil.parseDouble(split[2]);
    203
    204            if (sourceLoc != null && rel) {
    205                x += sourceLoc.getX();
    206                y += sourceLoc.getY();
    207                z += sourceLoc.getZ();
    208            } else if (rel) {
    209                throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_CONSOLE_NOT_RELATIVE);
    210            }
    211
    212            if (x == null || y == null || z == null) {
    213                throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_XYZ);
    214            }
    215
    216            World worldObj = Bukkit.getWorld(world);
    217            if (worldObj == null) {
    218                throw new InvalidCommandArgument(MinecraftMessageKeys.INVALID_WORLD);
    219            }
    220
    221            if (split.length >= 5) {
    222                Float yaw = ACFUtil.parseFloat(split[3]);
    223                Float pitch = ACFUtil.parseFloat(split[4]);
    224
    225                if (pitch == null || yaw == null) {
    226                    throw new InvalidCommandArgument(MinecraftMessageKeys.LOCATION_PLEASE_SPECIFY_XYZ);
    227                }
    228                return new Location(worldObj, x, y, z, yaw, pitch);
    229            } else {
    230                return new Location(worldObj, x, y, z);
    231            }
    232        });
    233
    234        if (manager.mcMinorVersion >= 12) {
    235            BukkitCommandContexts_1_12.register(this);
    236        }
    237    }
    238
    239    @Nullable
    240    OnlinePlayer getOnlinePlayer(BukkitCommandIssuer issuer, String lookup, boolean allowMissing) throws InvalidCommandArgument {
    241        Player player = ACFBukkitUtil.findPlayerSmart(issuer, lookup);
    242        //noinspection Duplicates
    243        if (player == null) {
    244            if (allowMissing) {
    245                return null;
    246            }
    247            throw new InvalidCommandArgument(false);
    248        }
    249        return new OnlinePlayer(player);
    250    }
    251}