assign models to players upon DM assignment

src/server/server.cpp

@@ -302,6 +302,29 @@ std::chrono::milliseconds Server::doTick() {
                                 sendUpdateToAllClients(Event(this->world_eid, EventType::LoadGameState, LoadGameStateEvent(partial_update)));
                             }
 
+
+                            int player_idx = 0;  // only increment when assigning a model                          
+
+                            auto players = this->state.objects.getPlayers();
+                            for (int i = 0; i < players.size(); i++) {
+                                auto player = players.get(i);
+                                if (player == nullptr) continue;
+
+                                if (player_idx == 0) {
+                                    player->modelType = ModelType::PlayerFire;
+                                } else if (player_idx == 1) {
+                                    player->modelType = ModelType::PlayerLightning;
+                                } else if (player_idx == 2) {
+                                    player->modelType = ModelType::PlayerWater;
+                                }
+
+                                player_idx++;
+
+                                if (player_idx > 2) {
+                                    player_idx = 0;
+                                }
+                            }
+
                             std::cout << "Assigned player " + std::to_string(index) + " to be the DM" << std::endl;
                             std::cout << "Starting game!" << std::endl;
                         }