4jcraft/Minecraft.World/Network/Packets/GameCommandPacket.cpp

#include "../../Platform/stdafx.h"
#include "../../IO/Streams/InputOutputStream.h"
#include "PacketListener.h"
#include "../../Util/BasicTypeContainers.h"
#include "GameCommandPacket.h"

GameCommandPacket::GameCommandPacket() { length = 0; }

GameCommandPacket::GameCommandPacket(EGameCommand command, byteArray data) {
    this->command = command;
    this->data = data;
    length = 0;

    if (data.data != NULL) {
        length = data.length;

        if (length > Short::MAX_VALUE) {
            app.DebugPrintf("Payload may not be larger than 32K\n");
#ifndef _CONTENT_PACKAGE
            __debugbreak();
#endif
            // throw new IllegalArgumentException("Payload may not be larger
            // than 32k");
        }
    }
}

GameCommandPacket::~GameCommandPacket() { delete[] data.data; }

void GameCommandPacket::read(DataInputStream* dis) {
    command = (EGameCommand)dis->readInt();
    length = dis->readShort();

    if (length > 0 && length < Short::MAX_VALUE) {
        if (data.data != NULL) {
            delete[] data.data;
        }
        data = byteArray(length);
        dis->readFully(data);
    }
}

void GameCommandPacket::write(DataOutputStream* dos) {
    dos->writeInt(command);
    dos->writeShort((short)length);
    if (data.data != NULL) {
        dos->write(data);
    }
}

void GameCommandPacket::handle(PacketListener* listener) {
    listener->handleGameCommand(shared_from_this());
}

int GameCommandPacket::getEstimatedSize() { return 2 + 2 + length; }