lichess-org · veloce · Apr 17, 2024 · Apr 17, 2024 · Apr 17, 2024 · Apr 17, 2024
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
@@ -129,7 +129,7 @@ PODS:
   - sqflite (0.0.3):
     - Flutter
     - FlutterMacOS
-  - stockfish (1.4.0):
+  - stockfish (1.5.0):
     - Flutter
   - system_info_plus (0.0.1):
     - Flutter
@@ -250,7 +250,7 @@ SPEC CHECKSUMS:
   shared_preferences_foundation: b4c3b4cddf1c21f02770737f147a3f5da9d39695
   soundpool: c7f4422ca206e77f8900ed3c4ee6a6ff5a0e38a9
   sqflite: 673a0e54cc04b7d6dba8d24fb8095b31c3a99eec
-  stockfish: 614d240ac2cd05a462dad552c7b5937bb14604fd
+  stockfish: 819bf4544d1e76a01da13af56324c69b3bf7928f
   system_info_plus: 5393c8da281d899950d751713575fbf91c7709aa
   url_launcher_ios: 6116280ddcfe98ab8820085d8d76ae7449447586
   wakelock_plus: 78ec7c5b202cab7761af8e2b2b3d0671be6c4ae1

diff --git a/lib/src/model/engine/evaluation_service.dart b/lib/src/model/engine/evaluation_service.dart
@@ -44,6 +44,13 @@ class EvaluationService {
     cores: defaultEngineCores,
   );
 
+  static const _defaultState =
+      (engineName: 'Stockfish', state: EngineState.initial, eval: null);
+
+  final ValueNotifier<EngineEvaluationState> _state =
+      ValueNotifier(_defaultState);
+  ValueListenable<EngineEvaluationState> get state => _state;
+
   /// Initialize the engine with the given context and options.
   ///
   /// An optional [engineFactory] can be provided, it defaults to Stockfish.
@@ -64,12 +71,14 @@ class EvaluationService {
       debugPrint('Engine state: ${_engine?.state.value}');
       if (_engine?.state.value == EngineState.initial ||
           _engine?.state.value == EngineState.disposed) {
-        ref.read(engineEvaluationProvider.notifier).reset();
+        _state.value = _defaultState;
       }
       if (_engine?.state != null) {
-        ref
-            .read(engineEvaluationProvider.notifier)
-            .setEngineState(_engine!.state.value);
+        _state.value = (
+          engineName: _engine!.name,
+          state: _engine!.state.value,
+          eval: _state.value.eval
+        );
       }
     });
   }
@@ -129,7 +138,11 @@ class EvaluationService {
     final cachedEval =
         work.steps.isEmpty ? initialPositionEval : work.evalCache;
     if (cachedEval != null && cachedEval.depth >= kMaxEngineDepth) {
-      ref.read(engineEvaluationProvider.notifier).setEval(cachedEval);
+      _state.value = (
+        engineName: _state.value.engineName,
+        state: _state.value.state,
+        eval: cachedEval,
+      );
       return null;
     }
 
@@ -141,7 +154,11 @@ class EvaluationService {
     evalStream.forEach((t) {
       final (work, eval) = t;
       if (shouldEmit(work)) {
-        ref.read(engineEvaluationProvider.notifier).setEval(eval);
+        _state.value = (
+          engineName: _state.value.engineName,
+          state: _state.value.state,
+          eval: eval,
+        );
       }
     });
 
@@ -167,26 +184,33 @@ EvaluationService evaluationService(EvaluationServiceRef ref) {
   return service;
 }
 
-typedef EngineEvaluationState = ({EngineState state, ClientEval? eval});
+typedef EngineEvaluationState = ({
+  String engineName,
+  EngineState state,
+  ClientEval? eval
+});
 
 /// A provider that holds the state of the engine and the current evaluation.
 @riverpod
 class EngineEvaluation extends _$EngineEvaluation {
   @override
   EngineEvaluationState build() {
-    return (state: EngineState.initial, eval: null);
-  }
+    final listenable = ref.watch(evaluationServiceProvider).state;
 
-  void setEngineState(EngineState engineState) {
-    state = (state: engineState, eval: state.eval);
-  }
+    listenable.addListener(_listener);
+
+    ref.onDispose(() {
+      listenable.removeListener(_listener);
+    });
 
-  void setEval(ClientEval eval) {
-    state = (state: state.state, eval: eval);
+    return listenable.value;
   }
 
-  void reset() {
-    state = (state: EngineState.initial, eval: null);
+  void _listener() {
+    final newState = ref.read(evaluationServiceProvider).state.value;
+    if (state != newState) {
+      state = newState;
+    }
   }
 }
 

diff --git a/lib/src/view/analysis/analysis_screen.dart b/lib/src/view/analysis/analysis_screen.dart
@@ -809,7 +809,7 @@ class _StockfishInfo extends ConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final (eval: eval, state: engineState) =
+    final (engineName: engineName, eval: eval, state: engineState) =
         ref.watch(engineEvaluationProvider);
 
     final currentEval = eval ?? currentNode.eval;
@@ -829,7 +829,7 @@ class _StockfishInfo extends ConsumerWidget {
             width: 44,
             height: 44,
           ),
-          title: const Text('Stockfish 16'),
+          title: Text(engineName),
           subtitle: Text(
             context.l10n.depthX(
               '$depth/$maxDepth$knps',

diff --git a/pubspec.lock b/pubspec.lock
@@ -1271,11 +1271,11 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: dc160c6ae339e4aa0b64ce50980a1b5ca5597d42
-      resolved-ref: dc160c6ae339e4aa0b64ce50980a1b5ca5597d42
+      ref: f7abbbd5e330fbc278f75bb49f61c66bb681e8fa
+      resolved-ref: f7abbbd5e330fbc278f75bb49f61c66bb681e8fa
       url: "https://github.com/lichess-org/dart-stockfish.git"
     source: git
-    version: "1.4.0"
+    version: "1.5.0"
   stream_channel:
     dependency: "direct dev"
     description:

diff --git a/pubspec.yaml b/pubspec.yaml
@@ -64,7 +64,7 @@ dependencies:
   stockfish:
    git:
      url: https://github.com/lichess-org/dart-stockfish.git
-     ref: dc160c6ae339e4aa0b64ce50980a1b5ca5597d42
+     ref: f7abbbd5e330fbc278f75bb49f61c66bb681e8fa
   stream_transform: ^2.1.0
   system_info_plus: ^0.0.5
   timeago: ^3.6.0