/
DenizenPacketHandler.java
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/
DenizenPacketHandler.java
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package com.denizenscript.denizen.utilities.packets;
import com.denizenscript.denizen.nms.interfaces.packets.*;
import com.denizenscript.denizen.utilities.debugging.dB;
import com.denizenscript.denizen.events.player.PlayerReceivesMessageScriptEvent;
import com.denizenscript.denizen.events.player.PlayerSteersEntityScriptEvent;
import com.denizenscript.denizen.events.player.ResourcePackStatusScriptEvent;
import com.denizenscript.denizen.nms.NMSHandler;
import com.denizenscript.denizen.nms.util.TradeOffer;
import com.denizenscript.denizen.nms.util.jnbt.StringTag;
import com.denizenscript.denizen.objects.dEntity;
import com.denizenscript.denizen.objects.dPlayer;
import com.denizenscript.denizen.scripts.commands.player.GlowCommand;
import com.denizenscript.denizen.scripts.commands.server.ExecuteCommand;
import com.denizenscript.denizen.scripts.containers.core.ItemScriptHelper;
import com.denizenscript.denizen.utilities.DenizenAPI;
import com.denizenscript.denizencore.objects.Element;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;
public class DenizenPacketHandler implements PacketHandler {
@Override
public void receivePacket(final Player player, final PacketInResourcePackStatus resourcePackStatus) {
Bukkit.getScheduler().runTask(DenizenAPI.getCurrentInstance(), new Runnable() {
@Override
public void run() {
ResourcePackStatusScriptEvent event = ResourcePackStatusScriptEvent.instance;
// TODO: get hash on server?... last sent hash? event.hash = new Element(hash);
event.status = new Element(resourcePackStatus.getStatus());
event.player = dPlayer.mirrorBukkitPlayer(player);
event.fire();
}
});
}
@Override
public boolean receivePacket(final Player player, final PacketInSteerVehicle steerVehicle) {
if (PlayerSteersEntityScriptEvent.instance.enabled) {
Future<Boolean> future = Bukkit.getScheduler().callSyncMethod(DenizenAPI.getCurrentInstance(),
new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
PlayerSteersEntityScriptEvent event = PlayerSteersEntityScriptEvent.instance;
event.player = dPlayer.mirrorBukkitPlayer(player);
event.entity = player.isInsideVehicle() ? new dEntity(player.getVehicle()) : null;
event.sideways = new Element(steerVehicle.getLeftwardInput());
event.forward = new Element(steerVehicle.getForwardInput());
event.jump = new Element(steerVehicle.getJumpInput());
event.dismount = new Element(steerVehicle.getDismountInput());
event.cancelled = false;
event.fire();
return event.cancelled;
}
}
);
try {
return future.get();
}
catch (Exception e) {
dB.echoError(e);
}
}
return false;
}
@Override
public boolean sendPacket(final Player player, final PacketOutChat chat) {
if (ExecuteCommand.silencedPlayers.contains(player.getUniqueId())) {
return true;
}
final PlayerReceivesMessageScriptEvent event = PlayerReceivesMessageScriptEvent.instance;
if (event.loaded) {
FutureTask<Boolean> futureTask = new FutureTask<>(new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
int pos = chat.getPosition();
if (pos != 2) {
event.message = new Element(chat.getMessage());
event.rawJson = new Element(chat.getRawJson());
event.system = new Element(pos == 1);
event.messageModified = false;
event.rawJsonModified = false;
event.player = dPlayer.mirrorBukkitPlayer(player);
event.cancelled = false;
event.fire();
if (event.messageModified) {
chat.setMessage(event.message.asString());
}
else if (event.rawJsonModified) {
chat.setRawJson(event.rawJson.asString());
}
return event.cancelled;
}
return false;
}
});
if (Bukkit.isPrimaryThread()) {
futureTask.run();
}
else {
Bukkit.getScheduler().runTask(DenizenAPI.getCurrentInstance(), futureTask);
}
try {
return futureTask.get();
}
catch (Exception e) {
dB.echoError(e);
return false;
}
}
return false;
}
@Override
public boolean sendPacket(Player player, PacketOutEntityMetadata entityMetadata) {
HashSet<UUID> players = GlowCommand.glowViewers.get(entityMetadata.getEntityId());
return players != null && entityMetadata.checkForGlow() && !players.contains(player.getUniqueId());
}
@Override
public boolean sendPacket(Player player, PacketOutSetSlot setSlot) {
setSlot.setItemStack(removeItemScriptLore(setSlot.getItemStack()));
return false;
}
@Override
public boolean sendPacket(Player player, PacketOutWindowItems windowItems) {
ItemStack[] contents = windowItems.getContents();
for (int i = 0; i < contents.length; i++) {
contents[i] = removeItemScriptLore(contents[i]);
}
windowItems.setContents(contents);
return false;
}
@Override
public boolean sendPacket(Player player, PacketOutTradeList tradeList) {
List<TradeOffer> tradeOffers = tradeList.getTradeOffers();
for (TradeOffer tradeOffer : tradeOffers) {
tradeOffer.setFirstCost(removeItemScriptLore(tradeOffer.getFirstCost()));
tradeOffer.setSecondCost(removeItemScriptLore(tradeOffer.getSecondCost()));
tradeOffer.setProduct(removeItemScriptLore(tradeOffer.getProduct()));
}
tradeList.setTradeOffers(tradeOffers);
return false;
}
private static ItemStack removeItemScriptLore(ItemStack itemStack) {
if (itemStack != null && itemStack.hasItemMeta() && itemStack.getItemMeta().hasLore()) {
ItemMeta meta = itemStack.getItemMeta();
List<String> lore = meta.getLore();
Iterator<String> iter = lore.iterator();
String hash = null;
while (iter.hasNext()) {
String line = iter.next();
if (line.startsWith(ItemScriptHelper.ItemScriptHashID)) {
hash = line;
iter.remove();
break;
}
}
if (hash != null) {
meta.setLore(lore);
itemStack.setItemMeta(meta);
return NMSHandler.getInstance().getItemHelper().addNbtData(itemStack, "Denizen Item Script", new StringTag(hash));
}
}
return itemStack;
}
}