[iagno] Use a PossibleMove in copy_and_move.

[Arnaud B. <arnaudb src gnome org>]

commit 6638e9e8ca222a2b70e25519ce38f0515463d3a7
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri May 10 12:09:41 2019 +0200

    Use a PossibleMove in copy_and_move.

 src/computer-reversi.vala | 4 ++--
 src/game.vala             | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/computer-reversi.vala b/src/computer-reversi.vala
index 8341c0b..d83c23e 100644
--- a/src/computer-reversi.vala
+++ b/src/computer-reversi.vala
@@ -300,7 +300,7 @@ private abstract class ComputerReversi : ComputerPlayer
             if (move == null)
                 assert_not_reached ();
 
-            GameState _g = new GameState.copy_and_move (g, ((!) move).x, ((!) move).y);
+            GameState _g = new GameState.copy_and_move (g, (!) move);
 
             int16 a_new = -1 * search (_g, initial_depth, NEGATIVE_INFINITY, -a);
             if (a_new > a)
@@ -341,7 +341,7 @@ private abstract class ComputerReversi : ComputerPlayer
                 if (move == null)
                     assert_not_reached ();
 
-                GameState _g = new GameState.copy_and_move (g, ((!) move).x, ((!) move).y);
+                GameState _g = new GameState.copy_and_move (g, (!) move);
 
                 int16 a_new = -1 * search (_g, depth - 1, -b, -a);
                 if (a_new > a)
diff --git a/src/game.vala b/src/game.vala
index 6ec5832..fbc393b 100644
--- a/src/game.vala
+++ b/src/game.vala
@@ -61,7 +61,7 @@ private class GameState : Object
         is_complete = false;
     }
 
-    internal GameState.copy_and_move (GameState game, uint8 move_x, uint8 move_y)
+    internal GameState.copy_and_move (GameState game, PossibleMove move)
     {
         Player move_color = game.current_color;
         Object (size: game.size, current_color: Player.flip_color (move_color));
@@ -72,10 +72,10 @@ private class GameState : Object
         _n_dark_tiles = game._n_dark_tiles;
 
         uint8 n_tiles;
-        place_tile (move_x, move_y, move_color, /* apply move */ true, out n_tiles);
+        place_tile (move.x, move.y, move_color, /* apply move */ true, out n_tiles);
         if (n_tiles == 0)
         {
-            critical ("Computer marked move (%d, %d) as valid, but is invalid when checking.\n%s", move_x, 
move_y, to_string ());
+            critical ("Computer marked move (%d, %d) as valid, but is invalid when checking.\n%s", move.x, 
move.y, to_string ());
             assert_not_reached ();
         }
 
@@ -553,7 +553,7 @@ private class Game : Object
         if (n_tiles == 0)
             return false;
 
-        current_state = new GameState.copy_and_move (current_state, x, y);
+        current_state = new GameState.copy_and_move (current_state, PossibleMove (x, y, n_tiles));
         undo_stack.append (current_state);
         end_of_turn (/* undoing */ false, /* no_draw */ false);
         return true;