James McCulloch
e7c02ea21a
* shadow-single-player-owner-fix: * Disallow shadowing a single player server owner. Fixes #1442 * shadow-single-player-owner-fix: * Remove some redundant calls
384 lines
19 KiB
Java
384 lines
19 KiB
Java
package carpet.commands;
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import carpet.helpers.EntityPlayerActionPack;
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import carpet.CarpetSettings;
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import carpet.fakes.ServerPlayerInterface;
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import carpet.patches.EntityPlayerMPFake;
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import carpet.utils.CommandHelper;
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import carpet.utils.Messenger;
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import com.mojang.authlib.GameProfile;
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import com.mojang.brigadier.Command;
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import com.mojang.brigadier.CommandDispatcher;
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import com.mojang.brigadier.arguments.IntegerArgumentType;
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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.context.CommandContext;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import net.minecraft.commands.CommandBuildContext;
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import net.minecraft.commands.CommandSourceStack;
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import net.minecraft.commands.arguments.DimensionArgument;
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import net.minecraft.commands.arguments.coordinates.RotationArgument;
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import net.minecraft.commands.arguments.coordinates.Vec3Argument;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.core.UUIDUtil;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.server.players.PlayerList;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.level.GameType;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.phys.Vec2;
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import net.minecraft.world.phys.Vec3;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.function.Consumer;
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import static net.minecraft.commands.Commands.argument;
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import static net.minecraft.commands.Commands.literal;
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import static net.minecraft.commands.SharedSuggestionProvider.suggest;
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public class PlayerCommand
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{
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// TODO: allow any order like execute
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public static void register(CommandDispatcher<CommandSourceStack> dispatcher, CommandBuildContext commandBuildContext)
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{
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final String[] gamemodeStrings = Arrays.stream(GameType.values())
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.map(GameType::getName)
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.toArray(String[]::new);
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LiteralArgumentBuilder<CommandSourceStack> literalargumentbuilder = literal("player")
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.requires((player) -> CommandHelper.canUseCommand(player, CarpetSettings.commandPlayer))
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.then(argument("player", StringArgumentType.word())
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.suggests( (c, b) -> suggest(getPlayers(c.getSource()), b))
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.then(literal("stop").executes(PlayerCommand::stop))
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.then(makeActionCommand("use", EntityPlayerActionPack.ActionType.USE))
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.then(makeActionCommand("jump", EntityPlayerActionPack.ActionType.JUMP))
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.then(makeActionCommand("attack", EntityPlayerActionPack.ActionType.ATTACK))
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.then(makeActionCommand("drop", EntityPlayerActionPack.ActionType.DROP_ITEM))
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.then(makeDropCommand("drop", false))
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.then(makeActionCommand("dropStack", EntityPlayerActionPack.ActionType.DROP_STACK))
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.then(makeDropCommand("dropStack", true))
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.then(makeActionCommand("swapHands", EntityPlayerActionPack.ActionType.SWAP_HANDS))
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.then(literal("hotbar")
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.then(argument("slot", IntegerArgumentType.integer(1, 9))
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.executes(c -> manipulate(c, ap -> ap.setSlot(IntegerArgumentType.getInteger(c, "slot"))))))
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.then(literal("kill").executes(PlayerCommand::kill))
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.then(literal("shadow"). executes(PlayerCommand::shadow))
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.then(literal("mount").executes(manipulation(ap -> ap.mount(true)))
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.then(literal("anything").executes(manipulation(ap -> ap.mount(false)))))
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.then(literal("dismount").executes(manipulation(EntityPlayerActionPack::dismount)))
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.then(literal("sneak").executes(manipulation(ap -> ap.setSneaking(true))))
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.then(literal("unsneak").executes(manipulation(ap -> ap.setSneaking(false))))
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.then(literal("sprint").executes(manipulation(ap -> ap.setSprinting(true))))
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.then(literal("unsprint").executes(manipulation(ap -> ap.setSprinting(false))))
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.then(literal("look")
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.then(literal("north").executes(manipulation(ap -> ap.look(Direction.NORTH))))
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.then(literal("south").executes(manipulation(ap -> ap.look(Direction.SOUTH))))
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.then(literal("east").executes(manipulation(ap -> ap.look(Direction.EAST))))
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.then(literal("west").executes(manipulation(ap -> ap.look(Direction.WEST))))
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.then(literal("up").executes(manipulation(ap -> ap.look(Direction.UP))))
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.then(literal("down").executes(manipulation(ap -> ap.look(Direction.DOWN))))
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.then(literal("at").then(argument("position", Vec3Argument.vec3()).executes(PlayerCommand::lookAt)))
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.then(argument("direction", RotationArgument.rotation())
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.executes(c -> manipulate(c, ap -> ap.look(RotationArgument.getRotation(c, "direction").getRotation(c.getSource())))))
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).then(literal("turn")
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.then(literal("left").executes(c -> manipulate(c, ap -> ap.turn(-90, 0))))
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.then(literal("right").executes(c -> manipulate(c, ap -> ap.turn(90, 0))))
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.then(literal("back").executes(c -> manipulate(c, ap -> ap.turn(180, 0))))
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.then(argument("rotation", RotationArgument.rotation())
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.executes(c -> manipulate(c, ap -> ap.turn(RotationArgument.getRotation(c, "rotation").getRotation(c.getSource())))))
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).then(literal("move").executes(c -> manipulate(c, EntityPlayerActionPack::stopMovement))
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.then(literal("forward").executes(c -> manipulate(c, ap -> ap.setForward(1))))
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.then(literal("backward").executes(c -> manipulate(c, ap -> ap.setForward(-1))))
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.then(literal("left").executes(c -> manipulate(c, ap -> ap.setStrafing(1))))
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.then(literal("right").executes(c -> manipulate(c, ap -> ap.setStrafing(-1))))
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).then(literal("spawn").executes(PlayerCommand::spawn)
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.then(literal("in").requires((player) -> player.hasPermission(2))
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.then(argument("gamemode", StringArgumentType.word())
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.suggests( (c, b) -> suggest(gamemodeStrings, b))
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.executes(PlayerCommand::spawn)))
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.then(literal("at").then(argument("position", Vec3Argument.vec3()).executes(PlayerCommand::spawn)
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.then(literal("facing").then(argument("direction", RotationArgument.rotation()).executes(PlayerCommand::spawn)
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.then(literal("in").then(argument("dimension", DimensionArgument.dimension()).executes(PlayerCommand::spawn)
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.then(literal("in").requires((player) -> player.hasPermission(2))
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.then(argument("gamemode", StringArgumentType.word()).suggests( (c, b) -> suggest(gamemodeStrings, b))
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.executes(PlayerCommand::spawn)
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)))
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)))
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))
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)
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);
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dispatcher.register(literalargumentbuilder);
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}
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private static LiteralArgumentBuilder<CommandSourceStack> makeActionCommand(String actionName, EntityPlayerActionPack.ActionType type)
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{
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return literal(actionName)
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.executes(c -> action(c, type, EntityPlayerActionPack.Action.once()))
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.then(literal("once").executes(c -> action(c, type, EntityPlayerActionPack.Action.once())))
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.then(literal("continuous").executes(c -> action(c, type, EntityPlayerActionPack.Action.continuous())))
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.then(literal("interval").then(argument("ticks", IntegerArgumentType.integer(1))
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.executes(c -> action(c, type, EntityPlayerActionPack.Action.interval(IntegerArgumentType.getInteger(c, "ticks"))))));
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}
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private static LiteralArgumentBuilder<CommandSourceStack> makeDropCommand(String actionName, boolean dropAll)
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{
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return literal(actionName)
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.then(literal("all").executes(c ->manipulate(c, ap -> ap.drop(-2,dropAll))))
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.then(literal("mainhand").executes(c ->manipulate(c, ap -> ap.drop(-1,dropAll))))
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.then(literal("offhand").executes(c ->manipulate(c, ap -> ap.drop(40,dropAll))))
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.then(argument("slot", IntegerArgumentType.integer(0, 40)).
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executes(c ->manipulate(c, ap -> ap.drop(
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IntegerArgumentType.getInteger(c,"slot"),
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dropAll
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))));
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}
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private static Collection<String> getPlayers(CommandSourceStack source)
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{
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Set<String> players = new LinkedHashSet<>(List.of("Steve", "Alex"));
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players.addAll(source.getOnlinePlayerNames());
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return players;
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}
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private static ServerPlayer getPlayer(CommandContext<CommandSourceStack> context)
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{
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String playerName = StringArgumentType.getString(context, "player");
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MinecraftServer server = context.getSource().getServer();
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return server.getPlayerList().getPlayerByName(playerName);
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}
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private static boolean cantManipulate(CommandContext<CommandSourceStack> context)
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{
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Player player = getPlayer(context);
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if (player == null)
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{
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Messenger.m(context.getSource(), "r Can only manipulate existing players");
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return true;
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}
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Player sendingPlayer;
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try
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{
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sendingPlayer = context.getSource().getPlayerOrException();
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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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if (!context.getSource().getServer().getPlayerList().isOp(sendingPlayer.getGameProfile()))
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{
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if (sendingPlayer != player && !(player instanceof EntityPlayerMPFake))
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{
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Messenger.m(context.getSource(), "r Non OP players can't control other real players");
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return true;
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}
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}
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return false;
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}
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private static boolean cantReMove(CommandContext<CommandSourceStack> context)
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{
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if (cantManipulate(context)) return true;
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Player player = getPlayer(context);
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if (player instanceof EntityPlayerMPFake) return false;
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Messenger.m(context.getSource(), "r Only fake players can be moved or killed");
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return true;
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}
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private static boolean cantSpawn(CommandContext<CommandSourceStack> context)
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{
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String playerName = StringArgumentType.getString(context, "player");
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MinecraftServer server = context.getSource().getServer();
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PlayerList manager = server.getPlayerList();
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Player player = manager.getPlayerByName(playerName);
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if (player != null)
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{
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Messenger.m(context.getSource(), "r Player ", "rb " + playerName, "r is already logged on");
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return true;
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}
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GameProfile profile = server.getProfileCache().get(playerName).orElse(null);
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if (profile == null)
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{
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if (!CarpetSettings.allowSpawningOfflinePlayers)
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{
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Messenger.m(context.getSource(), "r Player "+playerName+" is either banned by Mojang, or auth servers are down. " +
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"Banned players can only be summoned in Singleplayer and in servers in off-line mode.");
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return true;
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} else {
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profile = new GameProfile(UUIDUtil.createOfflinePlayerUUID(playerName), playerName);
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}
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}
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if (manager.getBans().isBanned(profile))
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{
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Messenger.m(context.getSource(), "r Player ", "rb " + playerName, "r is banned on this server");
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return true;
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}
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if (manager.isUsingWhitelist() && manager.isWhiteListed(profile) && !context.getSource().hasPermission(2))
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{
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Messenger.m(context.getSource(), "r Whitelisted players can only be spawned by operators");
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return true;
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}
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return false;
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}
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private static int kill(CommandContext<CommandSourceStack> context)
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{
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if (cantReMove(context)) return 0;
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getPlayer(context).kill();
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return 1;
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}
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private static int lookAt(CommandContext<CommandSourceStack> context)
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{
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return manipulate(context, ap -> {
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//try {
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ap.lookAt(Vec3Argument.getVec3(context, "position"));
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//} catch (CommandSyntaxException ignored) {}
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});
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}
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@FunctionalInterface
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interface SupplierWithCommandSyntaxException<T>
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{
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T get() throws CommandSyntaxException;
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}
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private static <T> T tryGetArg(SupplierWithCommandSyntaxException<T> a, SupplierWithCommandSyntaxException<T> b) throws CommandSyntaxException
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{
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try
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{
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return a.get();
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}
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catch (IllegalArgumentException e)
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{
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return b.get();
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}
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}
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private static int spawn(CommandContext<CommandSourceStack> context) throws CommandSyntaxException
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{
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if (cantSpawn(context)) return 0;
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CommandSourceStack source = context.getSource();
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Vec3 pos = tryGetArg(
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() -> Vec3Argument.getVec3(context, "position"),
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source::getPosition
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);
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Vec2 facing = tryGetArg(
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() -> RotationArgument.getRotation(context, "direction").getRotation(context.getSource()),
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source::getRotation
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);
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ResourceKey<Level> dimType = tryGetArg(
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() -> DimensionArgument.getDimension(context, "dimension").dimension(),
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() -> source.getLevel().dimension() // dimension.getType()
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);
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GameType mode = GameType.CREATIVE;
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boolean flying = false;
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try
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{
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ServerPlayer player = context.getSource().getPlayerOrException();
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mode = player.gameMode.getGameModeForPlayer();
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flying = player.getAbilities().flying;
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}
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catch (CommandSyntaxException ignored) {}
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try {
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String opGameMode = StringArgumentType.getString(context, "gamemode");
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mode = GameType.byName(opGameMode, null);
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if(mode == null)
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{
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Messenger.m(context.getSource(), "rb Invalid game mode: "+opGameMode+".");
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return 0;
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}
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} catch (IllegalArgumentException ignored) {}
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if(mode == GameType.SPECTATOR)
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{
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// Force override flying to true for spectator players, or they will fell out of the world.
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flying = true;
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} else if(mode.isSurvival()){
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// Force override flying to false for survival-like players, or they will fly too
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flying = false;
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}
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String playerName = StringArgumentType.getString(context, "player");
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if (playerName.length()>maxPlayerLength(source.getServer()))
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{
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Messenger.m(context.getSource(), "rb Player name: "+playerName+" is too long");
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return 0;
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}
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MinecraftServer server = source.getServer();
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if (!Level.isInSpawnableBounds(BlockPos.containing(pos.x, pos.y, pos.z)))
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{
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Messenger.m(context.getSource(), "rb Player "+playerName+" cannot be placed outside of the world");
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return 0;
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}
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Player player = EntityPlayerMPFake.createFake(playerName, server, pos.x, pos.y, pos.z, facing.y, facing.x, dimType, mode, flying);
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if (player == null)
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{
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Messenger.m(context.getSource(), "rb Player " + StringArgumentType.getString(context, "player") + " doesn't exist " +
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"and cannot spawn in online mode. Turn the server offline to spawn non-existing players");
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return 0;
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}
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return 1;
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}
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private static int maxPlayerLength(MinecraftServer server)
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{
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return server.getPort() >= 0 ? 16 : 40;
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}
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private static int stop(CommandContext<CommandSourceStack> context)
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{
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if (cantManipulate(context)) return 0;
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ServerPlayer player = getPlayer(context);
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((ServerPlayerInterface) player).getActionPack().stopAll();
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return 1;
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}
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private static int manipulate(CommandContext<CommandSourceStack> context, Consumer<EntityPlayerActionPack> action)
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{
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if (cantManipulate(context)) return 0;
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ServerPlayer player = getPlayer(context);
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action.accept(((ServerPlayerInterface) player).getActionPack());
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return 1;
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}
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private static Command<CommandSourceStack> manipulation(Consumer<EntityPlayerActionPack> action)
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{
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return c -> manipulate(c, action);
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}
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private static int action(CommandContext<CommandSourceStack> context, EntityPlayerActionPack.ActionType type, EntityPlayerActionPack.Action action)
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{
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return manipulate(context, ap -> ap.start(type, action));
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}
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private static int shadow(CommandContext<CommandSourceStack> context)
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{
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ServerPlayer player = getPlayer(context);
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if (player instanceof EntityPlayerMPFake)
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{
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Messenger.m(context.getSource(), "r Cannot shadow fake players");
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return 0;
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}
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if (player.getServer().isSingleplayerOwner(player.getGameProfile())) {
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Messenger.m(context.getSource(), "r Cannot shadow single-player server owner");
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return 0;
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}
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ServerPlayer sendingPlayer = null;
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try
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{
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sendingPlayer = context.getSource().getPlayerOrException();
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}
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catch (CommandSyntaxException ignored) { }
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if (sendingPlayer!=player && cantManipulate(context)) return 0;
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EntityPlayerMPFake.createShadow(player.server, player);
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return 1;
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}
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}
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