[Fix] Separate single-player and multiplayer ports.

client/src/game_state.cpp

@@ -5,10 +5,9 @@
 #include <chrono>
 
 #include "gfx/types.h"
+#include "net/constants.h"
 #include "network_manager.h"
 #include "game_state.h"
-#include "gfx/shape_renderer.h"
-#include "gfx/txt_renderer.h"
 #include "terminal.h"
 #include "ui/desktop.h"
 #include "ui/i_window_content.h"
@@ -29,7 +28,7 @@ void GameState::_init_desktop(void) {
 void GameState::_run_server(void) {
   try {
     NetworkManager server;
-    server.start(1337);
+    server.start(SINGLE_PLAYER_PORT);
     /*
      * Server's start() method is non-blocking, but NetworkManager
      * object must be kept alive. We'll just loop forever and let the OS
@@ -46,7 +45,8 @@ void GameState::_run_server(void) {
 GameState::GameState(void) :
     _current_screen(Screen::MAIN_MENU),
     _screen_width(0),
-    _screen_height(0) {}
+    _screen_height(0),
+    _is_single_player(false) {}
 
 GameState::~GameState(void) = default;
 
@@ -60,15 +60,16 @@ void GameState::init(int screen_width, int screen_height) {
 }
 
 void GameState::start_single_player_now(int screen_width, int screen_height) {
-  _screen_width   = screen_width;
-  _screen_height  = screen_height;
+  _is_single_player = true;
+  _screen_width     = screen_width;
+  _screen_height    = screen_height;
   fprintf(stdout, "Starting in single-player mode...\n");
   std::thread server_thread(&GameState::_run_server, this);
   server_thread.detach();
   std::this_thread::sleep_for(std::chrono::milliseconds(200));
 
   _network = std::make_unique<ClientNetwork>();
-  if(!_network->connect("127.0.0.1", 1337)) {
+  if(!_network->connect("127.0.0.1", SINGLE_PLAYER_PORT)) {
     /* TODO: Handle connection failure. */
   }
   _current_screen = Screen::DESKTOP;
@@ -99,6 +100,10 @@ void GameState::update(void) {
     if(!_main_menu) break;
     Screen next_screen = _main_menu->update();
     if(next_screen != Screen::MAIN_MENU) {
+      const MenuButton* clicked_button = _main_menu->get_clicked_button();
+      if(clicked_button) {
+        _is_single_player = clicked_button->is_single_player;
+      }
       _current_screen = next_screen;
       _main_menu.reset(); /* Free mem. */
 
@@ -112,13 +117,18 @@ void GameState::update(void) {
     if(!_boot_sequence) break; /* Shouldn't happen. */
     if(_boot_sequence->is_finished()) {
       /* Connect to server. */
-      fprintf(stdout, "Starting in single-player mode...\n");
-      std::thread server_thread(&GameState::_run_server, this);
-      server_thread.detach();
-      std::this_thread::sleep_for(std::chrono::milliseconds(200));
-
-      if(!_network->connect("127.0.0.1", 1337)) {
-        /* TODO: Handle connection failure. */
+      if(_is_single_player) {
+        fprintf(stdout, "Starting in single-player mode...\n");
+        std::thread server_thread(&GameState::_run_server, this);
+        server_thread.detach();
+        std::this_thread::sleep_for(std::chrono::milliseconds(200));
+        if(!_network->connect("127.0.0.1", SINGLE_PLAYER_PORT)) {
+          /* TODO: Handle connection failure. */
+        }
+      } else {
+        if(!_network->connect("127.0.0.1", MULTIPLAYER_PORT)) {
+          /* TODO: Handle connection failure. */
+        }
       }
       _current_screen = Screen::DESKTOP;
       _init_desktop();

client/src/game_state.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <string>
 
 #include "gfx/types.h"
 
@@ -37,6 +38,7 @@ private:
   Screen                         _current_screen;
   int                            _screen_width;
   int                            _screen_height;
+  bool                           _is_single_player;
 
   void _init_desktop(void);
   void _run_server(void);

client/src/ui/main_menu.cpp

@@ -43,12 +43,14 @@ MainMenu::MainMenu(int screen_width, int screen_height) :
     "Single-Player",
     { center_x, center_y + 30, button_width, button_height },
     Screen::BOOTING, /* This will trigger the booting screen. */
+    true,
     false
   });
   _buttons.push_back({
     "Online",
     { center_x, center_y - 30, button_width, button_height },
     Screen::BOOTING,
+    false,
     false
   });
 
@@ -80,6 +82,7 @@ void MainMenu::handle_event(SDL_Event* event) {
     for(const auto& button : _buttons) {
       if(button.is_hovered) {
         _next_screen = button.action;
+        _clicked_button = &button;
         break; /* Once clicked button found, exit. */
       }
     }

client/src/ui/main_menu.h

@@ -13,6 +13,7 @@ struct MenuButton {
   std::string label;
   Rect rect;
   Screen action; /* Change state. */
+  bool is_single_player;
   bool is_hovered = false;
 };
 
@@ -25,6 +26,8 @@ public:
   Screen update(void);
   void render(UIRenderer* ui_renderer);
 
+  const MenuButton* get_clicked_button(void) const { return _clicked_button; }
+
 private:
   void _update_background(void);
   void _render_background(TextRenderer* txdt_renderer);
@@ -45,4 +48,5 @@ private:
   std::vector<MenuButton>  _buttons;
   std::vector<std::string> _snippets;
   Screen                   _next_screen;
+  const MenuButton*        _clicked_button = nullptr;
 };

common/src/net/constants.h

@@ -0,0 +1,5 @@
+#pragma once
+#include <cstdint>
+
+const uint16_t MULTIPLAYER_PORT   = 1337;
+const uint16_t SINGLE_PLAYER_PORT = 1338;

server/src/main.cpp

@@ -4,13 +4,14 @@
 #include <chrono>
 
 #include "network_manager.h"
+#include "net/constants.h"
 
 int main(int argc, char** argv) {
 
   try {
     /* We'll keep main thread alive while server runs in background. */
     NetworkManager server;
-    server.start(1337);
+    server.start(MULTIPLAYER_PORT);
     while(true) {
       std::this_thread::sleep_for(std::chrono::seconds(1));
     }