[gnome-2048] Add basic congratulations on value reached

[Juan R. Garcia Blanco <juanrgar src gnome org>]

commit 02e4e6ee4a49007e2e528452e76f5d46f52e7be8
Author: Juan R. García Blanco <juanrgar gmail com>
Date:   Sat Feb 14 00:38:40 2015 +0100

    Add basic congratulations on value reached

 data/org.gnome.2048.gschema.xml |    5 +++++
 src/application.vala            |    6 +++++-
 src/game.vala                   |   10 ++++++++++
 src/grid.vala                   |   21 +++++++++++++++++++++
 4 files changed, 41 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.2048.gschema.xml b/data/org.gnome.2048.gschema.xml
index 8ae3939..4677fff 100644
--- a/data/org.gnome.2048.gschema.xml
+++ b/data/org.gnome.2048.gschema.xml
@@ -25,5 +25,10 @@
       <summary>Number of columns</summary>
       <description>Game grid number of columns.</description>
     </key>
+    <key name="target-value" type="i">
+      <default>32</default>
+      <summary>Target value</summary>
+      <description>Tile value at which user is congratulated.</description>
+    </key>
   </schema>
 </schemalist>
diff --git a/src/application.vala b/src/application.vala
index 7ad0c67..74d0465 100644
--- a/src/application.vala
+++ b/src/application.vala
@@ -121,6 +121,10 @@ public class Application : Gtk.Application
       _header_bar.subtitle = _("Game Over");
       debug ("finished");
     });
+    _game.target_value_reached.connect ((s, v) => {
+      _header_bar.subtitle = _("Congratulations!!");
+      debug ("target value reached");
+    });
   }
 
   private void _create_window (Gtk.Builder builder)
@@ -189,7 +193,7 @@ public class Application : Gtk.Application
     _about_dialog.comments = _("A clone of 2048 for GNOME");
 
     _about_dialog.authors = {"Juan R. García Blanco"};
-    _about_dialog.copyright = "Copyright © 2014 Juan R. García Blanco";
+    _about_dialog.copyright = "Copyright © 2014-2015 Juan R. García Blanco";
     _about_dialog.version = "0.1";
     _about_dialog.website = "http://www.gnome.org";;
     _about_dialog.license_type = Gtk.License.GPL_3_0;
diff --git a/src/game.vala b/src/game.vala
index 96f32f4..d80eb58 100644
--- a/src/game.vala
+++ b/src/game.vala
@@ -55,6 +55,7 @@ public class Game : GLib.Object
   private uint _resize_view_id;
 
   public signal void finished ();
+  public signal void target_value_reached (uint val);
 
   public Game (GLib.Settings settings)
   {
@@ -66,6 +67,9 @@ public class Game : GLib.Object
     int cols = _settings.get_int ("cols");
     _grid = new Grid (rows, cols);
 
+    uint target_value = _settings.get_int ("target-value");
+    _grid.target_value = target_value;
+
     _to_move = new Gee.LinkedList<TileMovement?> ();
     _to_hide = new Gee.LinkedList<TileMovement?> ();
     _to_show = new Gee.LinkedList<Tile?> ();
@@ -658,6 +662,12 @@ public class Game : GLib.Object
     _to_move.clear ();
     _to_show.clear ();
 
+    if (_grid.target_value_reached) {
+      target_value_reached (_grid.target_value);
+      _grid.target_value_reached = false;
+      _grid.target_value = 0;
+    }
+
     if (_grid.is_finished ())
       finished ();
   }
diff --git a/src/grid.vala b/src/grid.vala
index 042e406..d402b65 100644
--- a/src/grid.vala
+++ b/src/grid.vala
@@ -26,6 +26,7 @@ public class Grid : GLib.Object
 
     _grid = new uint[rows, cols];
     clear ();
+    _target_value = 0;
   }
 
   public int rows {
@@ -36,6 +37,14 @@ public class Grid : GLib.Object
     get; set;
   }
 
+  public uint target_value {
+    get; set;
+  }
+
+  public bool target_value_reached {
+    get; set;
+  }
+
   public void clear ()
   {
     for (uint i = 0; i < _grid.length[0]; i++) {
@@ -62,6 +71,7 @@ public class Grid : GLib.Object
 
       if (_grid[pos.row,pos.col] == 0) {
         _grid[pos.row,pos.col] = val;
+        _check_target_value_reached (val);
         tile = { pos, val };
         return true;
       }
@@ -132,6 +142,7 @@ public class Grid : GLib.Object
           _grid[cur.row,cur.col] = 0;
           _grid[match.row,match.col] = 0;
           _grid[free.row,free.col] = val*2;
+          _check_target_value_reached (val*2);
 
           free.row--;
         } else if (free.row != _rows) {
@@ -213,6 +224,7 @@ public class Grid : GLib.Object
           _grid[cur.row,cur.col] = 0;
           _grid[match.row,match.col] = 0;
           _grid[free.row,free.col] = val*2;
+          _check_target_value_reached (val*2);
 
           free.row++;
         } else if (free.row != -1) {
@@ -294,6 +306,7 @@ public class Grid : GLib.Object
           _grid[cur.row,cur.col] = 0;
           _grid[match.row,match.col] = 0;
           _grid[free.row,free.col] = val*2;
+          _check_target_value_reached (val*2);
 
           free.col++;
         } else if (free.col != -1) {
@@ -375,6 +388,7 @@ public class Grid : GLib.Object
           _grid[cur.row,cur.col] = 0;
           _grid[match.row,match.col] = 0;
           _grid[free.row,free.col] = val*2;
+          _check_target_value_reached (val*2);
 
           free.col--;
         } else if (free.col != _cols) {
@@ -529,6 +543,13 @@ public class Grid : GLib.Object
 
     return ret;
   }
+
+  private void _check_target_value_reached (uint val)
+  {
+    if (target_value != 0)
+      if (val == target_value)
+        target_value_reached = true;
+  }
 }
 
 public struct GridPosition