Add messages on player join/leave

src/game/game.cpp

@@ -1,5 +1,7 @@
 #include "game.hpp"
 
+#include <format>
+
 #include "player.hpp"
 #include "openworld.hpp"
 
@@ -22,13 +24,26 @@ void game::Game::FinishFrame()
 void game::Game::PlayerJoined(Player& player)
 {
     player.SetWorld(default_world_);
+
+    players_.insert(&player);
+    BroadcastChat(std::format("{}^r se připoojil jupí jupí jupííí", player.GetName()));
 }
 
 void game::Game::PlayerLeft(Player& player)
 {
+    players_.erase(&player);
+    BroadcastChat(std::format("{}^r se vodpojil zmrd", player.GetName()));
 }
 
 bool game::Game::PlayerInput(Player& player, PlayerInputType type, bool enabled)
 {
     return false; // not handled here
 }
+
+void game::Game::BroadcastChat(const std::string& text)
+{
+    for (auto player : players_)
+    {
+        player->SendChat(text);
+    }
+}

src/game/game.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <map>
+#include <set>
 
 #include "world.hpp"
 
@@ -21,9 +22,12 @@ public:
     void PlayerLeft(Player& player);
     bool PlayerInput(Player& player, PlayerInputType type, bool enabled);
 
+private:
+    void BroadcastChat(const std::string& text);
 
 private:
     std::shared_ptr<World> default_world_;
+    std::set<Player*> players_;
 
 };