add edaxBoardGetSquareColor (#454)

* update libedax version

* dart run ffigen --config ffigen.yaml --verbose severe && dart format --fix .

* edaxBoardGetSquareColor

* [Scheduled] `dart pub upgrade && dart pub upgrade --major-versions` (#455)

Co-authored-by: sensuikan1973 <sensuikan1973@users.noreply.github.com>

* fix typo

---------

Co-authored-by: sensuikan1973 <sensuikan1973@users.noreply.github.com>

.libedax-version

@@ -1 +1 @@
-dcaf1b19212c07f874378f2f9188a4b374519018
+8ecaf4019b336fa357c79397451236bac9af2908

example/pubspec.lock

@@ -87,7 +87,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "7.13.0"
+    version: "7.15.0"
   lints:
     dependency: transitive
     description:

ffigen.yaml

@@ -71,5 +71,6 @@ functions:
     - 'edax_version'
     - 'edax_vmirror'
     - 'edax_board_is_pass'
+    - 'edax_board_get_square_color'
     - 'libedax_initialize'
     - 'libedax_terminate'

lib/src/ffi/bindings.dart

@@ -640,6 +640,22 @@ class LibEdaxBindings {
 
   set daylight(int value) => _daylight.value = value;
 
+  int edax_board_get_square_color(
+    ffi.Pointer<Board> arg0,
+    int arg1,
+  ) {
+    return _edax_board_get_square_color(
+      arg0,
+      arg1,
+    );
+  }
+
+  late final _edax_board_get_square_colorPtr = _lookup<
+          ffi.NativeFunction<ffi.Int Function(ffi.Pointer<Board>, ffi.Int)>>(
+      'edax_board_get_square_color');
+  late final _edax_board_get_square_color = _edax_board_get_square_colorPtr
+      .asFunction<int Function(ffi.Pointer<Board>, int)>();
+
   int edax_board_is_pass(
     ffi.Pointer<Board> arg0,
   ) {
@@ -1550,11 +1566,11 @@ class LibEdaxBindings {
           ffi.Pointer<ffi.NativeFunction<ffi.LongLong Function()>> value) =>
       _time_clock.value = value;
 
-  late final ffi.Pointer<ffi.Long> _timezone = _lookup<ffi.Long>('timezone');
+  late final ffi.Pointer<ffi.Long> _timezone1 = _lookup<ffi.Long>('timezone');
 
-  int get timezone => _timezone.value;
+  int get timezone1 => _timezone1.value;
 
-  set timezone(int value) => _timezone.value = value;
+  set timezone1(int value) => _timezone1.value = value;
 
   late final ffi.Pointer<ffi.Pointer<ffi.Pointer<ffi.Char>>> _tzname =
       _lookup<ffi.Pointer<ffi.Pointer<ffi.Char>>>('tzname');
@@ -9779,7 +9795,7 @@ final class timeval64 extends ffi.Struct {
   external int tv_usec;
 }
 
-final class timezone1 extends ffi.Struct {
+final class timezone extends ffi.Struct {
   @ffi.Int()
   external int tz_minuteswest;
 

lib/src/libedax.dart

@@ -460,6 +460,7 @@ class LibEdax {
   void edaxBookVerbose(final int verbosity) =>
       _bindings.edax_book_verbose(verbosity);
 
+  /// Check if current player should pass.
   bool edaxBoardIsPass(final Board board) {
     final dstB = calloc<bindings.Board>();
     dstB.ref.player = board.player;
@@ -468,4 +469,15 @@ class LibEdax {
     calloc.free(dstB);
     return result == 1;
   }
+
+  /// Get square color.
+  /// 0 = player, 1 = opponent, 2 = empty.
+  int edaxBoardGetSquareColor(final Board board, final int x) {
+    final dstB = calloc<bindings.Board>();
+    dstB.ref.player = board.player;
+    dstB.ref.opponent = board.opponent;
+    final result = _bindings.edax_board_get_square_color(dstB, x);
+    calloc.free(dstB);
+    return result;
+  }
 }

test/edax_command_test.dart

@@ -427,6 +427,27 @@ void main() {
       expect(edax.edaxBoardIsPass(edax.edaxGetBoard()), true);
       edax.libedaxTerminate();
     });
+
+    test('edaxBoardGetSquareColor', () {
+      const initParams = ['', '-book-file', _testBookFile];
+      final edax = LibEdax()..libedaxInitialize(initParams);
+      sleep(const Duration(seconds: 1));
+
+      const opening = 'f5f6';
+      edax
+        ..edaxInit()
+        ..edaxPlay(opening);
+      final board = edax.edaxGetBoard();
+      final lastMove = edax.edaxGetLastMove();
+      expect(lastMove.x, 45);
+      expect(edax.edaxBoardGetSquareColor(board, lastMove.x), 1); // f6
+      expect(edax.edaxBoardGetSquareColor(board, 37), 0); // f5
+      expect(edax.edaxBoardGetSquareColor(board, 36), 1); // e5
+      expect(edax.edaxBoardGetSquareColor(board, 35), 0); // d5
+      expect(edax.edaxBoardGetSquareColor(board, 28), 0); // e4
+      expect(edax.edaxBoardGetSquareColor(board, 27), 1); // d4
+      edax.libedaxTerminate();
+    });
   });
 
   group('util command', () {