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Packet checks adjustments and renaming.

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* More appropriate names.
SoundDistance
* Plus wither plus dragon.
* Horizontal distance.
This commit is contained in:
asofold 2014-07-16 13:48:53 +02:00
parent 288950edd4
commit 7b6305de78
4 changed files with 30 additions and 9 deletions
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4
NCPCompatProtocolLib/src/main/java/fr/neatmonster/nocheatplus/net/protocollib/MoveFrequency.java → NCPCompatProtocolLib/src/main/java/fr/neatmonster/nocheatplus/net/protocollib/FlyingFrequency.java
View File

@ -24,7 +24,7 @@ import fr.neatmonster.nocheatplus.utilities.ActionFrequency;
* @author dev1mc
*
*/
public class MoveFrequency extends PacketAdapter implements Listener, JoinLeaveListener {
public class FlyingFrequency extends PacketAdapter implements Listener, JoinLeaveListener {
// TODO: Configuration.
// TODO: Optimized options (receive only, other?).
@ -32,7 +32,7 @@ public class MoveFrequency extends PacketAdapter implements Listener, JoinLeaveL
private Map<String, ActionFrequency> freqMap = new LinkedHashMap<String, ActionFrequency>();
public MoveFrequency(Plugin plugin) {
public FlyingFrequency(Plugin plugin) {
// PacketPlayInFlying[3, legacy: 10]
super(plugin, PacketType.Play.Client.FLYING); // TODO: How does POS and POS_LOOK relate/translate?
}

4
NCPCompatProtocolLib/src/main/java/fr/neatmonster/nocheatplus/net/protocollib/ProtocolLibComponent.java
View File

@ -28,8 +28,8 @@ public class ProtocolLibComponent implements DisableListener{
LogUtil.logInfo("[NoCheatPlus] ProtocolLib seems to be available.");
// Classes having a constructor with Plugin as argument.
List<Class<? extends PacketAdapter>> adapterClasses = Arrays.asList(
MoveFrequency.class,
WeatherDistance.class
FlyingFrequency.class,
SoundDistance.class
);
// TODO: Configurability.
for (Class<? extends PacketAdapter> clazz : adapterClasses) {

25
NCPCompatProtocolLib/src/main/java/fr/neatmonster/nocheatplus/net/protocollib/WeatherDistance.java → NCPCompatProtocolLib/src/main/java/fr/neatmonster/nocheatplus/net/protocollib/SoundDistance.java
View File

@ -12,15 +12,31 @@ import com.comphenix.protocol.reflect.StructureModifier;
import fr.neatmonster.nocheatplus.utilities.TrigUtil;
public class WeatherDistance extends PacketAdapter {
public class SoundDistance extends PacketAdapter {
// TODO: Will not be effective with 512 radius, if they add the patch by @Amranth.
// TODO: For lower distances more packets might need to be intercepted.
/** Maximum distance for thunder effects (squared). */
private static final double distSq = 512.0 * 512.0; // TODO: Maybe configurable.
private static final String[] effectNames = new String[] { // Prefix tree?
"ambient.weather.thunder",
"wither-spawn-sound-radius",
"dragon-death-sound-radius"
// other ?
};
private static final boolean contains(final String ref) {
for (int i = 0; i < effectNames.length; i++) {
if (effectNames[i].equals(ref)) {
return true;
}
}
return false;
}
public WeatherDistance(Plugin plugin) {
public SoundDistance(Plugin plugin) {
super(plugin, PacketType.Play.Server.NAMED_SOUND_EFFECT);
}
@ -30,8 +46,7 @@ public class WeatherDistance extends PacketAdapter {
final Player player = event.getPlayer();
// Compare sound effect name.
// TODO: wither-spawn-sound-radius, dragon-death-sound-radius, other ?
if (!packetContainer.getStrings().read(0).equals("ambient.weather.thunder")) {
if (!contains(packetContainer.getStrings().read(0))) {
return;
}
@ -39,7 +54,7 @@ public class WeatherDistance extends PacketAdapter {
// Compare distance of player to the weather location.
final StructureModifier<Integer> ints = packetContainer.getIntegers();
if (TrigUtil.distanceSquared(ints.read(0) / 8, ints.read(1) / 8, ints.read(2) / 8, loc.getX(), loc.getY(), loc.getZ()) > distSq) {
if (TrigUtil.distanceSquared(ints.read(0) / 8, ints.read(2) / 8, loc.getX(), loc.getZ()) > distSq) {
event.setCancelled(true);
}
}

6
NCPCore/src/main/java/fr/neatmonster/nocheatplus/utilities/TrigUtil.java
View File

@ -280,6 +280,12 @@ public class TrigUtil {
final double dz = Math.abs(z1 - z2);
return dx * dx + dy * dy + dz * dz;
}
public static final double distanceSquared(final double x1, final double z1, final double x2, final double z2) {
final double dx = Math.abs(x1 - x2);
final double dz = Math.abs(z1 - z2);
return dx * dx + dz * dz;
}
/**
* 2D-distance in x-z plane.