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DenizenPacketHandler.java
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DenizenPacketHandler.java
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package com.denizenscript.denizen.utilities.packets;
import com.denizenscript.denizen.Denizen;
import com.denizenscript.denizen.events.player.*;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.nms.NMSVersion;
import com.denizenscript.denizen.nms.interfaces.packets.*;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.objects.EntityTag;
import com.denizenscript.denizen.objects.PlayerTag;
import com.denizenscript.denizen.scripts.commands.player.GlowCommand;
import com.denizenscript.denizen.scripts.commands.server.ExecuteCommand;
import com.denizenscript.denizencore.DenizenCore;
import com.denizenscript.denizencore.objects.core.ElementTag;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import java.util.HashSet;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
public class DenizenPacketHandler {
public static DenizenPacketHandler instance;
public static HashSet<UUID> forceNoclip = new HashSet<>();
public void receivePacket(final Player player, final PacketInResourcePackStatus resourcePackStatus) {
if (!ResourcePackStatusScriptEvent.instance.enabled) {
return;
}
Bukkit.getScheduler().runTask(Denizen.getInstance(), () -> {
ResourcePackStatusScriptEvent event = ResourcePackStatusScriptEvent.instance;
event.status = new ElementTag(resourcePackStatus.getStatus());
event.player = PlayerTag.mirrorBukkitPlayer(player);
event.fire();
});
}
public boolean receivePacket(final Player player, final PacketInSteerVehicle steerVehicle, Runnable allow) {
if (PlayerSteersEntityScriptEvent.instance.enabled) {
Runnable process = () -> {
if (!player.isInsideVehicle()) {
return;
}
PlayerSteersEntityScriptEvent event = PlayerSteersEntityScriptEvent.instance;
event.player = PlayerTag.mirrorBukkitPlayer(player);
event.entity = new EntityTag(player.getVehicle());
event.sideways = new ElementTag(steerVehicle.getLeftwardInput());
event.forward = new ElementTag(steerVehicle.getForwardInput());
event.jump = new ElementTag(steerVehicle.getJumpInput());
event.dismount = new ElementTag(steerVehicle.getDismountInput());
event.cancelled = false;
event.modifyCancellation = (c) -> event.cancelled = c;
event.fire();
if (!event.cancelled) {
allow.run();
}
};
if (Bukkit.isPrimaryThread()) {
process.run();
}
else {
Bukkit.getScheduler().runTask(Denizen.getInstance(), process);
}
}
return false;
}
public static HashSet<Material> raisableItems = new HashSet<>();
static {
raisableItems.add(Material.SHIELD);
raisableItems.add(Material.CROSSBOW);
raisableItems.add(Material.BOW);
if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_17)) {
raisableItems.add(Material.valueOf("SPYGLASS"));
}
}
public static boolean isHoldingRaisable(Player player) {
return raisableItems.contains(player.getEquipment().getItemInMainHand().getType())
|| raisableItems.contains(player.getEquipment().getItemInOffHand().getType());
}
public void receivePlacePacket(final Player player) {
if (!PlayerHoldsItemEvent.instance.enabled) {
return;
}
if (isHoldingRaisable(player)) {
Bukkit.getScheduler().runTask(Denizen.getInstance(), () -> {
PlayerHoldsItemEvent.signalDidRaise(player);
});
}
}
public void receiveDigPacket(final Player player) {
if (!PlayerHoldsItemEvent.instance.enabled) {
return;
}
if (isHoldingRaisable(player)) {
Bukkit.getScheduler().runTask(Denizen.getInstance(), () -> {
PlayerHoldsItemEvent.signalDidLower(player);
});
}
}
public boolean shouldInterceptChatPacket() {
return !ExecuteCommand.silencedPlayers.isEmpty()
|| PlayerReceivesMessageScriptEvent.instance.loaded
|| PlayerReceivesActionbarScriptEvent.instance.loaded;
}
public PlayerReceivesMessageScriptEvent sendPacket(final Player player, final PacketOutChat chat) {
if (!chat.isActionbar() && ExecuteCommand.silencedPlayers.contains(player.getUniqueId())) {
PlayerReceivesMessageScriptEvent event = (PlayerReceivesMessageScriptEvent) PlayerReceivesMessageScriptEvent.instance.clone();
event.cancelled = true;
return event;
}
if (chat.getMessage() == null) {
return null;
}
final PlayerReceivesMessageScriptEvent event = chat.isActionbar() ? PlayerReceivesActionbarScriptEvent.instance : PlayerReceivesMessageScriptEvent.instance;
if (event.loaded) {
Callable<PlayerReceivesMessageScriptEvent> eventCall = () -> {
event.reset();
event.message = new ElementTag(chat.getMessage());
event.rawJson = new ElementTag(chat.getRawJson());
event.system = new ElementTag(chat.isSystem());
event.player = PlayerTag.mirrorBukkitPlayer(player);
PlayerReceivesMessageScriptEvent result = (PlayerReceivesMessageScriptEvent) event.fire();
if (result.modified) {
chat.setRawJson(result.rawJson.asString());
}
return result;
};
try {
if (DenizenCore.implementation.isSafeThread()) {
return eventCall.call();
}
else {
FutureTask<PlayerReceivesMessageScriptEvent> futureTask = new FutureTask<>(eventCall);
Bukkit.getScheduler().runTask(Denizen.getInstance(), futureTask);
return futureTask.get();
}
}
catch (Exception e) {
Debug.echoError(e);
return null;
}
}
return null;
}
public boolean shouldInterceptMetadata() {
return !GlowCommand.glowViewers.isEmpty();
}
public boolean sendPacket(Player player, PacketOutEntityMetadata entityMetadata) {
HashSet<UUID> players = GlowCommand.glowViewers.get(entityMetadata.getEntityId());
return players != null && entityMetadata.checkForGlow() && !players.contains(player.getUniqueId());
}
}