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package net.hypixel.modapi;

import net.hypixel.modapi.error.ErrorReason;

import net.hypixel.modapi.error.ModAPIException;

import net.hypixel.modapi.handler.ClientboundPacketHandler;

import net.hypixel.modapi.packet.ClientboundHypixelPacket;

import net.hypixel.modapi.packet.PacketRegistry;

import net.hypixel.modapi.packet.impl.clientbound.ClientboundLocationPacket;

import net.hypixel.modapi.packet.impl.clientbound.ClientboundPartyInfoPacket;

import net.hypixel.modapi.packet.impl.clientbound.ClientboundPingPacket;

import net.hypixel.modapi.packet.impl.clientbound.ClientboundPlayerInfoPacket;

import net.hypixel.modapi.packet.impl.serverbound.ServerboundLocationPacket;

import net.hypixel.modapi.packet.impl.serverbound.ServerboundPartyInfoPacket;

import net.hypixel.modapi.packet.impl.serverbound.ServerboundPingPacket;

import net.hypixel.modapi.packet.impl.serverbound.ServerboundPlayerInfoPacket;

import net.hypixel.modapi.serializer.PacketSerializer;

import java.util.List;

import java.util.concurrent.CopyOnWriteArrayList;

public class HypixelModAPI {

private static final HypixelModAPI INSTANCE = new HypixelModAPI();

public static HypixelModAPI getInstance() {

return INSTANCE;

}

private final PacketRegistry registry = new PacketRegistry();

private final List<ClientboundPacketHandler> handlers = new CopyOnWriteArrayList<>();

private HypixelModAPI() {

registry.registerPacketType("hypixel:ping",

ClientboundPingPacket.class, ClientboundPingPacket::new,

ServerboundPingPacket.class, ServerboundPingPacket::new);

registry.registerPacketType("hypixel:location",

ClientboundLocationPacket.class, ClientboundLocationPacket::new,

ServerboundLocationPacket.class, ServerboundLocationPacket::new);

registry.registerPacketType("hypixel:party_info",

ClientboundPartyInfoPacket.class, ClientboundPartyInfoPacket::new,

ServerboundPartyInfoPacket.class, ServerboundPartyInfoPacket::new);

registry.registerPacketType("hypixel:player_info",

ClientboundPlayerInfoPacket.class, ClientboundPlayerInfoPacket::new,

ServerboundPlayerInfoPacket.class, ServerboundPlayerInfoPacket::new);

}

public PacketRegistry getRegistry() {

return registry;

}

public void registerHandler(ClientboundPacketHandler handler) {

handlers.add(handler);

}

public void handle(String identifier, PacketSerializer serializer) {

if (handlers.isEmpty()) {

return;

}

if (!registry.isRegistered(identifier)) {

return;

}

// All responses contain a boolean of if the response is a success, if not then a further var int is included to identify the error

if (!serializer.readBoolean()) {

ErrorReason reason = ErrorReason.getById(serializer.readVarInt());

throw new ModAPIException(identifier, reason);

}

ClientboundHypixelPacket packet = registry.createClientboundPacket(identifier, serializer);

for (ClientboundPacketHandler handler : handlers) {

packet.handle(handler);

}

}

}