/**
* Feed lower-case inputs. Adds versions with "/" if missing, also adds input without the first
* "/". Trimming from the left side is used, but the original input is also added.
*
* @param tree
* @param inputs
* @param clear If to clear the tree, before feeding.
*/
public static void feedCommands(
SimpleCharPrefixTree tree, Collection<String> inputs, boolean clear) {
if (clear) {
tree.clear();
}
for (String input : inputs) {
if (input == null) {
continue;
}
if (!input.isEmpty()) {
// Do feed the original input.
tree.feed(input);
}
input = StringUtil.leftTrim(input).toLowerCase();
if (input.isEmpty()) {
continue;
}
tree.feed(input);
if (!input.startsWith("/")) {
// Add version with '/'.
tree.feed("/" + input);
} else {
// Add version without the first '/'.
// TODO: Consider removing all leading '/' here.
input = input.substring(1);
if (!input.isEmpty()) {
tree.feed(input);
}
}
}
}
public ReflectBlock(ReflectBase base, ReflectBlockPosition blockPosition)
throws ClassNotFoundException {
final Class<?> clazz = Class.forName(base.nmsPackageName + ".Block");
// byID (static)
nmsGetById = ReflectionUtil.getMethod(clazz, "getById", int.class);
// getMaterial
nmsGetMaterial = ReflectionUtil.getMethodNoArgs(clazz, "getMaterial");
// updateShape
Method method = null;
Class<?> clazzIBlockAccess = Class.forName(base.nmsPackageName + ".IBlockAccess");
if (blockPosition != null) {
method =
ReflectionUtil.getMethod(clazz, "updateShape", clazzIBlockAccess, blockPosition.nmsClass);
}
if (method == null) {
method =
ReflectionUtil.getMethod(
clazz, "updateShape", clazzIBlockAccess, int.class, int.class, int.class);
useBlockPosition = false;
} else {
useBlockPosition = true;
}
nmsUpdateShape = method;
// Block bounds fetching. The array uses the order the methods (used to) appear in the nms
// class.
String[] names =
new String[] {
"getMinX", "getMaxX", "getMinY", "getMaxY", "getMinZ", "getMaxZ"
}; // FUTURE GUESS.
Method[] methods = tryBoundsMethods(clazz, names);
if (methods == null) {
names = guessBoundsMethodNames(clazz);
if (names != null) {
methods = tryBoundsMethods(clazz, names);
}
if (methods == null) {
methods = new Method[] {null, null, null, null, null, null};
}
}
// TODO: Test which is which [ALLOW to configure and also save used ones to config, by mc
// version].
// TODO: Dynamically test these ? [needs an extra world/space to place blocks inside of...]
if (ConfigManager.getConfigFile().getBoolean(ConfPaths.LOGGING_EXTENDED_STATUS)) {
NCPAPIProvider.getNoCheatPlusAPI()
.getLogManager()
.debug(
Streams.INIT,
"[NoCheatPlus] ReflectBlock: Use methods for shape: "
+ StringUtil.join(Arrays.asList(names), ", "));
}
this.nmsGetMinX = methods[0];
this.nmsGetMaxX = methods[1];
this.nmsGetMinY = methods[2];
this.nmsGetMaxY = methods[3];
this.nmsGetMinZ = methods[4];
this.nmsGetMaxZ = methods[5];
}
private void outpuDebugMove(
final Player player,
final double hDistance,
final double limitH,
final double yDistance,
final double limitV,
final ModelFlying model,
final List<String> tags,
final MovingData data) {
final PlayerMoveData lastMove = data.playerMoves.getFirstPastMove();
StringBuilder builder = new StringBuilder(350);
final String dHDist =
lastMove.toIsValid ? " (" + StringUtil.formatDiff(hDistance, lastMove.hDistance) + ")" : "";
final String dYDist =
lastMove.toIsValid ? " (" + StringUtil.formatDiff(yDistance, lastMove.yDistance) + ")" : "";
builder.append(
"hDist: "
+ hDistance
+ dHDist
+ " / "
+ limitH
+ " , vDist: "
+ yDistance
+ dYDist
+ " / "
+ limitV);
final PlayerMoveData thisMove = data.playerMoves.getCurrentMove();
if (lastMove.toIsValid) {
builder.append(
" , fdsq: "
+ StringUtil.fdec3.format(thisMove.distanceSquared / lastMove.distanceSquared));
}
if (thisMove.verVelUsed != null) {
builder.append(" , vVelUsed: " + thisMove.verVelUsed);
}
builder.append(" , model: " + model.id);
if (!tags.isEmpty()) {
builder.append(" , tags: ");
builder.append(StringUtil.join(tags, "+"));
}
builder.append(" , jumpphase: " + data.sfJumpPhase);
thisMove.addExtraProperties(builder, " , ");
debug(player, builder.toString());
}
/**
* Handle the '/nocheatplus reload' command.
*
* @param sender the sender
* @return true, if successful
*/
private void handleReloadCommand(final CommandSender sender) {
final LogManager logManager = NCPAPIProvider.getNoCheatPlusAPI().getLogManager();
if (!sender.equals(Bukkit.getConsoleSender())) {
sender.sendMessage(TAG + "Reloading configuration...");
}
logManager.info(Streams.INIT, TAG + "Reloading configuration...");
// Do the actual reload.
ConfigManager.cleanup();
ConfigManager.init(access);
if (logManager instanceof INotifyReload) { // TODO: This is a band-aid.
((INotifyReload) logManager).onReload();
}
// Remove all cached configs.
DataManager.clearConfigs(); // There you have to add XConfig.clear() form now on.
// Remove some checks data.
// TODO: Better concept (INotifyReload).
for (final CheckType checkType :
new CheckType[] {
CheckType.BLOCKBREAK, CheckType.FIGHT,
}) {
DataManager.clearData(checkType);
}
// Reset debug flags to default (temp, heavy).
DataManager.restoreDefaultDebugFlags();
// Tell the registered listeners to adapt to new config, first sort them (!).
Collections.sort(notifyReload, Order.cmpSetupOrder);
for (final INotifyReload component : notifyReload) {
component.onReload();
}
// Say to the other plugins that we've reloaded the configuration.
Bukkit.getPluginManager().callEvent(new NCPReloadEvent());
// Log reloading done.
if (!sender.equals(Bukkit.getConsoleSender())) {
sender.sendMessage(TAG + "Configuration reloaded!");
}
logManager.info(Streams.INIT, TAG + "Configuration reloaded.");
logManager.info(
Streams.DEFAULT_FILE,
StringUtil.join(VersionCommand.getVersionInfo(), "\n")); // Queued (!).
}
@Override
public void checkConsistency(final Player[] onlinePlayers) {
// Check online player tracking consistency.
int missing = 0;
int changed = 0;
int expectedSize = 0;
for (int i = 0; i < onlinePlayers.length; i++) {
final Player player = onlinePlayers[i];
final String name = player.getName();
// if (player.isOnline()){
expectedSize += 1 + (name.equals(name.toLowerCase()) ? 0 : 1);
if (!this.onlinePlayers.containsKey(name)) {
missing++;
// TODO: Add the player [problem: messy NPC plugins?]?
}
if (player != this.onlinePlayers.get(name)) {
changed++;
// Update the reference.
addOnlinePlayer(player);
// }
}
}
// TODO: Consider checking lastLogout for too long gone players.
final int storedSize = this.onlinePlayers.size();
if (missing != 0 || changed != 0 || expectedSize != storedSize) {
final List<String> details = new LinkedList<String>();
if (missing != 0) {
details.add("missing online players (" + missing + ")");
}
if (expectedSize != storedSize) {
// TODO: Consider checking for not online players and remove them.
details.add(
"wrong number of online players (" + storedSize + " instead of " + expectedSize + ")");
}
if (changed != 0) {
details.add("changed player instances (" + changed + ")");
}
LogUtil.logWarning(
"[NoCheatPlus] DataMan inconsistencies: " + StringUtil.join(details, " | "));
}
}
/**
* Output information specific to player-move events.
*
* @param player
* @param from
* @param to
* @param mcAccess
*/
public static void outputMoveDebug(
final Player player,
final PlayerLocation from,
final PlayerLocation to,
final double maxYOnGround,
final MCAccess mcAccess) {
final StringBuilder builder = new StringBuilder(250);
final Location loc = player.getLocation();
// TODO: Differentiate debug levels (needs setting up some policy + document in
// BuildParamteres)?
if (BuildParameters.debugLevel > 0) {
builder.append("\n-------------- MOVE --------------\n");
builder.append(player.getName() + " " + from.getWorld().getName() + ":\n");
addMove(from, to, loc, builder);
} else {
builder.append(player.getName() + " " + from.getWorld().getName() + " ");
addFormattedMove(from, to, loc, builder);
}
final double jump = mcAccess.getJumpAmplifier(player);
final double speed = mcAccess.getFasterMovementAmplifier(player);
final double strider = BridgeEnchant.getDepthStriderLevel(player);
if (BuildParameters.debugLevel > 0) {
try {
// TODO: Check backwards compatibility (1.4.2). Remove try-catch
builder.append(
"\n(walkspeed=" + player.getWalkSpeed() + " flyspeed=" + player.getFlySpeed() + ")");
} catch (Throwable t) {
}
if (player.isSprinting()) {
builder.append("(sprinting)");
}
if (player.isSneaking()) {
builder.append("(sneaking)");
}
if (player.isBlocking()) {
builder.append("(blocking)");
}
final Vector v = player.getVelocity();
if (v.lengthSquared() > 0.0) {
builder.append("(svel=" + v.getX() + "," + v.getY() + "," + v.getZ() + ")");
}
}
if (speed != Double.NEGATIVE_INFINITY) {
builder.append("(e_speed=" + (speed + 1) + ")");
}
final double slow = PotionUtil.getPotionEffectAmplifier(player, PotionEffectType.SLOW);
if (slow != Double.NEGATIVE_INFINITY) {
builder.append("(e_slow=" + (slow + 1) + ")");
}
if (jump != Double.NEGATIVE_INFINITY) {
builder.append("(e_jump=" + (jump + 1) + ")");
}
if (strider != 0) {
builder.append("(e_depth_strider=" + strider + ")");
}
// Print basic info first in order
NCPAPIProvider.getNoCheatPlusAPI()
.getLogManager()
.debug(Streams.TRACE_FILE, builder.toString());
// Extended info.
if (BuildParameters.debugLevel > 0) {
builder.setLength(0);
// Note: the block flags are for normal on-ground checking, not with yOnGrond set to 0.5.
from.collectBlockFlags(maxYOnGround);
if (from.getBlockFlags() != 0)
builder.append(
"\nfrom flags: "
+ StringUtil.join(BlockProperties.getFlagNames(from.getBlockFlags()), "+"));
if (from.getTypeId() != 0) addBlockInfo(builder, from, "\nfrom");
if (from.getTypeIdBelow() != 0) addBlockBelowInfo(builder, from, "\nfrom");
if (!from.isOnGround() && from.isOnGround(0.5)) builder.append(" (ground within 0.5)");
to.collectBlockFlags(maxYOnGround);
if (to.getBlockFlags() != 0)
builder.append(
"\nto flags: "
+ StringUtil.join(BlockProperties.getFlagNames(to.getBlockFlags()), "+"));
if (to.getTypeId() != 0) addBlockInfo(builder, to, "\nto");
if (to.getTypeIdBelow() != 0) addBlockBelowInfo(builder, to, "\nto");
if (!to.isOnGround() && to.isOnGround(0.5)) builder.append(" (ground within 0.5)");
NCPAPIProvider.getNoCheatPlusAPI()
.getLogManager()
.debug(Streams.TRACE_FILE, builder.toString());
}
}
/**
* @param player
* @param from
* @param to
* @param data
* @param cc
* @param time Milliseconds.
* @return
*/
public Location check(
final Player player,
final PlayerLocation from,
final PlayerLocation to,
final MovingData data,
final MovingConfig cc,
final long time,
final boolean useBlockChangeTracker) {
// Reset tags, just in case.
tags.clear();
// Some edge data for this move.
final GameMode gameMode = player.getGameMode();
final ModelFlying model = cc.getModelFlying(player, from);
final PlayerMoveData thisMove = data.playerMoves.getCurrentMove();
// if (!data.thisMove.from.extraPropertiesValid) {
// // TODO: Confine by model config flag or just always do [if the latter: do it in
// the listener]?
// data.thisMove.setExtraProperties(from, to);
// }
thisMove.modelFlying = model;
final PlayerMoveData lastMove = data.playerMoves.getFirstPastMove();
// Calculate some distances.
final double yDistance = thisMove.yDistance;
final double hDistance = thisMove.hDistance;
final boolean flying = gameMode == BridgeMisc.GAME_MODE_SPECTATOR || player.isFlying();
final boolean sprinting = time <= data.timeSprinting + cc.sprintingGrace;
// Lost ground, if set so.
if (model.ground) {
MovingUtil.prepareFullCheck(from, to, thisMove, Math.max(cc.yOnGround, cc.noFallyOnGround));
if (!thisMove.from.onGroundOrResetCond) {
if (from.isSamePos(to)) {
if (lastMove.toIsValid
&& lastMove.hDistance > 0.0
&& lastMove.yDistance < -0.3 // Copy and paste from sf.
&& LostGround.lostGroundStill(
player, from, to, hDistance, yDistance, sprinting, lastMove, data, cc, tags)) {
// Nothing to do.
}
} else if (LostGround.lostGround(
player,
from,
to,
hDistance,
yDistance,
sprinting,
lastMove,
data,
cc,
useBlockChangeTracker ? blockChangeTracker : null,
tags)) {
// Nothing to do.
}
}
}
// Horizontal distance check.
double[] resH =
hDist(
player, from, to, hDistance, yDistance, sprinting, flying, lastMove, time, model, data,
cc);
double limitH = resH[0];
double resultH = resH[1];
// Check velocity.
if (resultH > 0) {
double hFreedom = data.getHorizontalFreedom();
if (hFreedom < resultH) {
// Use queued velocity if possible.
hFreedom += data.useHorizontalVelocity(resultH - hFreedom);
}
if (hFreedom > 0.0) {
resultH = Math.max(0.0, resultH - hFreedom);
if (resultH <= 0.0) {
limitH = hDistance;
}
tags.add("hvel");
}
} else {
data.clearActiveHorVel(); // TODO: test/check !
}
resultH *= 100.0; // Normalize to % of a block.
if (resultH > 0.0) {
tags.add("hdist");
}
// Vertical move.
double limitV = 0.0; // Limit.
double resultV = 0.0; // Violation (normalized to 100 * 1 block, applies if > 0.0).
// Distinguish checking method by y-direction of the move.
if (yDistance > 0.0) {
// Ascend.
double[] res = vDistAscend(from, to, yDistance, flying, thisMove, lastMove, model, data, cc);
resultV = Math.max(resultV, res[1]);
limitV = res[0];
} else if (yDistance < 0.0) {
// Descend.
double[] res = vDistDescend(from, to, yDistance, flying, lastMove, model, data, cc);
resultV = Math.max(resultV, res[1]);
limitV = res[0];
} else {
// Keep altitude.
double[] res = vDistZero(from, to, yDistance, flying, lastMove, model, data, cc);
resultV = Math.max(resultV, res[1]);
limitV = res[0];
}
// Velocity.
if (resultV > 0.0 && data.getOrUseVerticalVelocity(yDistance) != null) {
resultV = 0.0;
tags.add("vvel");
}
// Add tag for maximum height check (silent set back).
final double maximumHeight = model.maxHeight + player.getWorld().getMaxHeight();
if (to.getY() > maximumHeight) {
// TODO: Allow use velocity there (would need a flag to signal the actual check below)?
tags.add("maxheight");
}
resultV *= 100.0; // Normalize to % of a block.
if (resultV > 0.0) {
tags.add("vdist");
}
final double result = Math.max(0.0, resultH) + Math.max(0.0, resultV);
if (data.debug) {
outpuDebugMove(player, hDistance, limitH, yDistance, limitV, model, tags, data);
}
// Violation handling.
Location setBack = null; // Might get altered below.
if (result > 0.0) {
// Increment violation level.
data.creativeFlyVL += result;
// Execute whatever actions are associated with this check and the violation level and find
// out if we
// should cancel the event.
final ViolationData vd =
new ViolationData(this, player, data.creativeFlyVL, result, cc.creativeFlyActions);
if (vd.needsParameters()) {
vd.setParameter(
ParameterName.LOCATION_FROM,
String.format(Locale.US, "%.2f, %.2f, %.2f", from.getX(), from.getY(), from.getZ()));
vd.setParameter(
ParameterName.LOCATION_TO,
String.format(Locale.US, "%.2f, %.2f, %.2f", to.getX(), to.getY(), to.getZ()));
vd.setParameter(
ParameterName.DISTANCE, String.format(Locale.US, "%.2f", TrigUtil.distance(from, to)));
if (!tags.isEmpty()) {
vd.setParameter(ParameterName.TAGS, StringUtil.join(tags, "+"));
}
}
if (executeActions(vd).willCancel()) {
// Compose a new location based on coordinates of "newTo" and viewing direction of
// "event.getTo()"
// to allow the player to look somewhere else despite getting pulled back by NoCheatPlus.
setBack = data.getSetBack(to);
}
} else {
// Maximum height check (silent set back).
if (to.getY() > maximumHeight) {
setBack = data.getSetBack(to);
}
if (setBack == null) {
// Slowly reduce the violation level with each event.
data.creativeFlyVL *= 0.97;
}
}
// Return setBack, if set.
if (setBack != null) {
// Check for max height of the set-back.
if (setBack.getY() > maximumHeight) {
// Correct the y position.
setBack.setY(getCorrectedHeight(maximumHeight, setBack.getWorld()));
if (data.debug) {
debug(player, "Maximum height exceeded by set-back, correct to: " + setBack.getY());
}
}
data.sfJumpPhase = 0;
return setBack;
} else {
// Adjust the set-back and other last distances.
data.setSetBack(to);
// Adjust jump phase.
if (!thisMove.from.onGroundOrResetCond && !thisMove.to.onGroundOrResetCond) {
data.sfJumpPhase++;
} else if (thisMove.touchedGround && !thisMove.to.onGroundOrResetCond) {
data.sfJumpPhase = 1;
} else {
data.sfJumpPhase = 0;
}
return null;
}
}
/**
* This will be called from within the plugin in onEnable, after registration of all core
* listeners and components. After each components addition processQueuedSubComponentHolders()
* will be called to allow registries for further optional components.
*
* @param plugin
* @return
*/
public Collection<Object> getAvailableComponentsOnEnable(NoCheatPlus plugin) {
final List<Object> available = new LinkedList<Object>();
// Add components (try-catch).
// TODO: catch ClassNotFound, incompatibleXY rather !?
// Check: inventory.fastconsume.
try {
// TODO: Static test methods !?
FastConsume.testAvailability();
available.add(new FastConsume());
NCPAPIProvider.getNoCheatPlusAPI()
.addFeatureTags("checks", Arrays.asList(FastConsume.class.getSimpleName()));
} catch (Throwable t) {
StaticLog.logInfo("Inventory checks: FastConsume is not available.");
}
// Check: inventory.gutenberg.
try {
Gutenberg.testAvailability();
available.add(new Gutenberg());
NCPAPIProvider.getNoCheatPlusAPI()
.addFeatureTags("checks", Arrays.asList(Gutenberg.class.getSimpleName()));
} catch (Throwable t) {
StaticLog.logInfo("Inventory checks: Gutenberg is not available.");
}
// Hot fix: falling block end portal.
try {
HotFixFallingBlockPortalEnter.testAvailability();
available.add(new HotFixFallingBlockPortalEnter());
NCPAPIProvider.getNoCheatPlusAPI()
.addFeatureTags(
"checks", Arrays.asList(HotFixFallingBlockPortalEnter.class.getSimpleName()));
} catch (RuntimeException e) {
}
// ProtocolLib dependencies.
if (protocolLibPresent.isAvailable()) {
// Check conditions.
boolean protocolLibAvailable = false;
for (final IActivation condition : protocolLibActivation) {
if (condition.isAvailable()) {
protocolLibAvailable = true;
break;
}
}
// Attempt to react.
if (protocolLibAvailable) {
try {
available.add(new ProtocolLibComponent(plugin));
} catch (Throwable t) {
StaticLog.logWarning("Failed to set up packet level access with ProtocolLib.");
if (ConfigManager.getConfigFile().getBoolean(ConfPaths.LOGGING_EXTENDED_STATUS)) {
NCPAPIProvider.getNoCheatPlusAPI().getLogManager().debug(Streams.INIT, t);
}
}
} else {
List<String> parts = new LinkedList<String>();
parts.add("Packet level access via ProtocolLib not available, supported configurations: ");
for (IDescriptiveActivation cond : protocolLibActivation) {
parts.add(cond.getNeutralDescription());
}
StaticLog.logWarning(StringUtil.join(parts, " | "));
}
} else {
StaticLog.logInfo("Packet level access: ProtocolLib is not available.");
}
return available;
}
