introduce local player

src/frontend/screens/LevelScreen.cpp

@@ -36,9 +36,10 @@
 
 static debug::Logger logger("level-screen");
 
-LevelScreen::LevelScreen(Engine& engine, std::unique_ptr<Level> levelPtr)
- : Screen(engine), postProcessing(std::make_unique<PostProcessing>()) 
-{
+LevelScreen::LevelScreen(
+    Engine& engine, std::unique_ptr<Level> levelPtr, int64_t localPlayer
+)
+    : Screen(engine), postProcessing(std::make_unique<PostProcessing>()) {
     Level* level = levelPtr.get();
 
     auto& settings = engine.getSettings();
@@ -46,7 +47,9 @@ LevelScreen::LevelScreen(Engine& engine, std::unique_ptr<Level> levelPtr)
     auto menu = engine.getGUI()->getMenu();
     menu->reset();
 
-    auto player = level->players->get(0);
+    auto player = level->players->get(localPlayer);
+    assert(player != nullptr);
+    
     controller =
         std::make_unique<LevelController>(&engine, std::move(levelPtr), player);
     playerController = std::make_unique<PlayerController>(
@@ -173,6 +176,7 @@ void LevelScreen::update(float delta) {
         updateHotkeys();
     }
 
+    auto level = controller->getLevel();
     auto player = playerController->getPlayer();
     auto camera = player->currentCamera;
 
@@ -189,7 +193,6 @@ void LevelScreen::update(float delta) {
         camera->dir, 
         glm::vec3(0, 1, 0)
     );
-    auto level = controller->getLevel();
     const auto& settings = engine.getSettings();
 
     if (!hud->isPause()) {