Client

#include "network.h"

void network::init(){
    char getIP[20];
    SDLNet_ResolveHost(&ip, "127.0.0.1", 7777);
    connection = SDLNet_TCP_Open(&ip);

    server=SDLNet_AllocSocketSet(1);
    SDLNet_TCP_AddSocket(server, connection);

}

void network::close(){
    SDLNet_TCP_Send(connection, "2 \n", 4);
    SDLNet_TCP_Close(connection);
    SDLNet_FreeSocketSet(server);
}

void network::send(Player *p){
    std::cout<< SDLNet_GetError() << std::endl;
    if(p->isReady()){
        //1 id x y angle
        sprintf(tmp, "1 %d %d %d %d", p->getID(), GameManager::GetInstance().getGlobalX(), GameManager::GetInstance().getGlobalY(), p->getAngle());
        int siz=0;
        int len = strlen(tmp) + 1;
        while(siz < len){
            siz+=SDLNet_TCP_Send(connection, tmp+siz, len - siz);
        }
    }
}

void network::recv(std::vector<OtherPlayer*>& enemies, Player *p){
    while(SDLNet_CheckSockets(server, 0)>0 && SDLNet_SocketReady(connection)){
        int offset = 0;
        do{
            offset+=SDLNet_TCP_Recv(connection, tmp+offset, 1400);
            if(offset <= 0){
                return;
            }
        }while(tmp[strlen(tmp - 1)] != '\n');
        int type, id;
        sscanf(tmp, "%d %d", &type, &id);
        if(type==0){
            p->setID(id);
        }else if(type == 1){
            int i;
            for(i = 0; i < enemies.size(); i++){
                if(enemies[i]->getID() == id){
                    int tmp2, tmpid, tmpx, tmpy, tmpangle;
                    scanf(tmp, "%d %d %d %d", &tmp2, &tmpx, &tmpy, &tmpangle);
                    enemies[i]->setX(tmpx);
                    enemies[i]->setY(tmpy);
                    enemies[i]->setAngle(tmpangle);
                    break;
                }
            }
            if(i>=enemies.size()){
                enemies.push_back(new OtherPlayer());
            }
        }else if(type==2){
            for(int i = 0; i<enemies.size(); i++){
                enemies.erase(enemies.begin() + i);
            }
        }
    }
}