source: code/branches/network/src/network/PacketDecoder.cc @ 290

/*
 * Class contains functions to determine and decode incomming packages
 * 
 * Autor: Dumeni Manatschal
 * 
*/


#include "enet/enet.h"
#include "PacketManager.h"
#include <iostream>

using namespace std;
using namespace network;

PacketDecoder::PacketDecoder(){}

//call this function out of an instance of PacketDecoder
//it will determine the type id and call the right decode function
bool PacketDecoder::elaborate( ENetPacket* packet, int clientId )
{
        int client = clientId;
        cout << "clientId: " << client << endl;
        int id = (int)*packet->data;
        switch( id ) {
        case ACK:
                acknowledgement( packet );
                return true;
                break;
        case MOUSE:
                mousem( packet );
                return true;
                break;
        case KEYBOARD:
                keystrike( packet );
                return true;
                break;
        case CHAT:
                chatMessage( packet );
                return true;
                break;
        case GAMESTATE:
                gstate( packet );
                return true;
                break;
        }
        return false;
}

//following are the decode functions for the data of the packets

void PacketDecoder::acknowledgement( ENetPacket* packet )
{
        ack* a = new ack;
        *a = *(ack*)packet->data;
        printAck( a );
}

void PacketDecoder::mousem( ENetPacket* packet )
{
        mouse* mouseMove = new mouse;
        *mouseMove = *(mouse*)packet->data;
        printMouse( mouseMove );
}

void PacketDecoder::keystrike( ENetPacket* packet )
{
        keyboard* key = new keyboard;
        *key = *(keyboard*)packet->data;
        printKey( key );
}

void PacketDecoder::chatMessage( ENetPacket* packet )
{
        chat* chatting = new chat;
        chatting->id = (int)*packet->data;
        char* reserve = new char[packet->dataLength-4];
        memcpy( &reserve[0], packet->data+sizeof(int), packet->dataLength-4 );
        chatting->message = reserve;
        printChat( chatting );
}

void PacketDecoder::gstate( ENetPacket* packet )
{
        GameState* currentState = new GameState;
        unsigned char* data = (unsigned char*)packet->data;
        memcpy( (void*)&(currentState->size), (const void*)(data+sizeof( int )), sizeof(int) );
        memcpy( (void*)(currentState->data), (const void*)(data+2*sizeof( int )), currentState->size );
}

//these are some print functions for test stuff

void PacketDecoder::printAck( ack* data )
{
        cout << "data id: " << data->id << endl;
        cout << "data:    " << data->a << endl;
}

void PacketDecoder::printMouse( mouse* data )
{
        cout << "data id: " << data->id << endl;
        cout << "data:    " << data->x << " " << data->y << endl;
}

void PacketDecoder::printKey( keyboard* data )
{
        cout << "data id: " << data->id << endl;
        cout << "data:    " << (char)data->press << endl;
}

void PacketDecoder::printChat( chat* data )
{
        cout << "data id: " << data->id << endl;
        cout << "data:    " << data->message << endl;
}

void PacketDecoder::printGamestate( GameState* data )
{
        cout << "size of gamestate: " << data->size << endl;
}