From 71e1dd4f3221be4b5bec8b86e3988accf8febe50 Mon Sep 17 00:00:00 2001
From: Christoph Urlacher <christoph.urlacher@protonmail.com>
Date: Fri, 20 Feb 2026 02:15:13 +0100
Subject: [PATCH] fix state representation not being updated when toggling
 restricted movement

---
 include/klotski.hpp | 2 ++
 src/klotski.cpp     | 5 +++++
 src/main.cpp        | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/klotski.hpp b/include/klotski.hpp
index 8d723f8..5017751 100644
--- a/include/klotski.hpp
+++ b/include/klotski.hpp
@@ -272,6 +272,8 @@ public:
 
   auto ToggleTarget(int x, int y) -> bool;
 
+  auto ToggleRestricted() -> void;
+
   auto MoveBlockAt(int x, int y, Direction dir) -> bool;
 
   auto GetNextStates() const -> std::vector<State>;
diff --git a/src/klotski.cpp b/src/klotski.cpp
index 03cf807..bd0e722 100644
--- a/src/klotski.cpp
+++ b/src/klotski.cpp
@@ -162,6 +162,11 @@ auto State::ToggleTarget(int x, int y) -> bool {
   return true;
 }
 
+auto State::ToggleRestricted() -> void {
+  restricted = !restricted;
+  state.replace(0, 1, restricted ? "R" : "F");
+}
+
 auto State::MoveBlockAt(int x, int y, Direction dir) -> bool {
   Block block = GetBlock(x, y);
   if (!block.IsValid()) {
diff --git a/src/main.cpp b/src/main.cpp
index cafdd02..70532a1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -266,7 +266,7 @@ auto main(int argc, char *argv[]) -> int {
     } else if (IsKeyPressed(KEY_O)) {
       renderer.connect_solutions = !renderer.connect_solutions;
     } else if (IsKeyPressed(KEY_F)) {
-      current_state.restricted = !current_state.restricted;
+      current_state.ToggleRestricted();
       previous_state = clear_masssprings(masssprings, current_state);
       edited = true;
     } else if (IsKeyPressed(KEY_T)) {