Source code

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}