cube-game-plus-plus/common/network/Packet.cpp

#define ENET_IMPLEMENTATION
#include "common/network/ENet.h"

#include "common/network/Packet.h"

Packet::Packet(ENetPacket* packet) : packet(packet), readIndex(0), error(false) {
}

Packet::~Packet() {
    enet_packet_destroy(packet);
}

bool Packet::hasData() const {
    return readIndex < static_cast<int>(packet->dataLength);
}

bool Packet::hasError() const {
    return error;
}

void Packet::read(void* buffer, int length) {
    if(readIndex + length > static_cast<int>(packet->dataLength)) {
        error = true;
        return;
    }
    memcpy(buffer, packet->data + readIndex, length);
    readIndex += length;
}

Packet::int8 Packet::read8() {
    int8 uc;
    read(&uc, sizeof (int8));
    return uc;
}

Packet::int16 Packet::read16() {
    int16 us;
    read(&us, sizeof (int16));
    us = ntohs(us);
    return us;
}

Packet::int32 Packet::read32() {
    int32 ui;
    read(&ui, sizeof (int32));
    ui = ntohl(ui);
    return ui;
}