Syncing the map with the server by FTP

Shooter.cpp

@@ -52,6 +52,7 @@ void Shooter::initNetwork() {
             server->generateBonuses();
     }
 
+    client->requestMap(clientIp, &current_map);
     client->connect(clientIp, clientPort);
     player->setPlayerNickName(playerName);
 
@@ -67,12 +68,15 @@ void Shooter::initNetwork() {
 }
 
 void Shooter::start() {
+    // connecting to the server
+    initNetwork();
+
     // This code executed once in the beginning:
     setUpdateWorld(false);
 
     screen->setMouseCursorVisible(true);
 
-    world->loadMap(ShooterConsts::MAP_OBJ, Vec3D{5, 5, 5});
+    world->loadMap(current_map, Vec3D{5, 5, 5});
 
     // TODO: encapsulate call backs inside Player
     player->setAddTraceCallBack([this](const Vec3D &from, const Vec3D &to) {
@@ -92,9 +96,7 @@ void Shooter::start() {
     camera->translateToPoint(player->position() + Vec3D{0, 1.8, 0});
     player->attach(camera);
     world->addBody(player);
-
+ 
-    // connecting to the server
-    initNetwork();
     // Waiting for connect and updating server if it's same window
     while (client->isWorking() && !client->connected()) {
         client->update();

Shooter.h

@@ -29,6 +29,7 @@ private:
 
     bool inGame = false;
     int fireTraces = 0;
+    std::string current_map = ShooterConsts::MAP_OBJ;
 
     void start() override;
     void update() override;

network/ShooterClient.cpp

@@ -4,6 +4,8 @@
 
 #include "ShooterClient.h"
 
+#include <SFML/Network/Ftp.hpp>
+#include <string>
 #include <utility>
 #include "../engine/utils/Log.h"
 #include "../engine/animation/Timeline.h"
@@ -301,3 +303,40 @@ void
 ShooterClient::setChangeEnemyWeaponCallBack(std::function<void(const std::string &, sf::Uint16)> changeEnemyWeapon) {
     _changeEnemyWeaponCallBack = std::move(changeEnemyWeapon);
 }
+
+void ShooterClient::requestMap(std::string clientIp, std::string *current_map) {
+    Log::log("---------[FTP server]---------");
+    sf::Ftp ftp;
+    sf::Ftp::Response connectResponse = ftp.connect(clientIp, 21);
+    if (connectResponse.isOk()) {
+        ftp.login();
+
+        sf::Ftp::ListingResponse dirResponse = ftp.getDirectoryListing("current_map/");
+        Log::log("Response code: "+std::to_string(dirResponse.getStatus())+" | Message: "+dirResponse.getMessage());
+        if (dirResponse.isOk()) {
+            const std::vector<std::string>& listing = dirResponse.getListing();
+
+            if (listing.size()!=0) {
+                for (std::vector<std::string>::const_iterator it = listing.begin(); it != listing.end(); ++it)
+                    Log::log("- "+*it);
+
+                sf::Ftp::Response downloadResponse = ftp.download(listing.at(0), "./obj/maps/", sf::Ftp::Ascii);
+                Log::log("Response code: "+std::to_string(downloadResponse.getStatus())+" | Message: "+downloadResponse.getMessage());
+
+                if (downloadResponse.isOk()) {
+                    std::string map_path = listing.at(0);
+                    map_path = "./obj/maps"+map_path.substr(map_path.find("/"));
+                    Log::log("Map set to: "+map_path);
+                    *current_map = map_path;  
+                }
+            } else {
+                Log::log("there is no map file");
+            }
+        } 
+
+        ftp.disconnect();
+    } else {
+        Log::log("Couldn't connect to FTP server with ip: "+clientIp+" and port: 21");
+    }
+    Log::log("------------------------------");
+}

network/ShooterClient.h

@@ -7,6 +7,7 @@
 
 #include "../engine/network/ClientUDP.h"
 #include "../player/Player.h"
+#include <SFML/Config.hpp>
 
 class ShooterClient final : public ClientUDP {
 private:
@@ -60,6 +61,8 @@ public:
 
     void addPlayer(sf::Uint16 id, std::shared_ptr<Player> player);
 
+    void requestMap(std::string clientIp, std::string *current_map);
+
     [[nodiscard]] std::map<sf::Uint16, std::shared_ptr<Player>> const &players() const { return _players; }
 
     [[nodiscard]] std::string lastEvent() const { return _lastEvent; }