crawl was redesigned to crwal1 and crawl2

semestralka1/src/render/loop.cpp

@@ -54,8 +54,20 @@ void render_loop(int speed) {
     }
 
     if (uart_event == UartEvent::Triggered) {
-      // start crawl frame for x time
-      player_state.start_crawl();
+      const char* msg = uart.get_message();
+      PlayerState current = player_state.get_state();
+
+      if (msg && strstr(msg, "crawl2")) {
+        // enter Crawl2 only if currently crawling in crawl1
+        if (current == PlayerState::Crawl1)
+          player_state.start_crawl(PlayerState::Crawl2);
+      }
+      else if (msg && strstr(msg, "crawl")) {
+        // trigger normal crawl from walk/run
+        if (current == PlayerState::Walk || current == PlayerState::Run)
+          player_state.start_crawl(PlayerState::Crawl1);
+      }
+
       need_redraw = true;
     }