3 files changed, 5 insertions, 3 deletions

diff --git a/src/ch/epfl/xblast/Cell.java b/src/ch/epfl/xblast/Cell.java
index a8a5a08..06dfdbb 100644
--- a/src/ch/epfl/xblast/Cell.java
+++ b/src/ch/epfl/xblast/Cell.java
@@ -171,7 +171,7 @@ public final class Cell {
         if (that == null) return false;
         if (that == this) return true;
         if (!(that instanceof Cell)) return false;
-        return (((Cell) that).x == this.x && ((Cell) that).y == this.y);
+        return (((Cell) that).rowMajorIndex() == this.rowMajorIndex());
     }
 
     /**
diff --git a/src/ch/epfl/xblast/SubCell.java b/src/ch/epfl/xblast/SubCell.java
index 8a25997..27d5bcc 100644
--- a/src/ch/epfl/xblast/SubCell.java
+++ b/src/ch/epfl/xblast/SubCell.java
@@ -133,7 +133,7 @@ public final class SubCell {
         if (that == null) return false;
         if (that == this) return true;
         if (!(that instanceof SubCell)) return false;
-        return (((SubCell) that).x == this.x && ((SubCell) that).y == this.y);
+        return (((SubCell) that).rowMajorIndex() == this.rowMajorIndex());
     }
 
     /**
diff --git a/src/ch/epfl/xblast/server/GameState.java b/src/ch/epfl/xblast/server/GameState.java
index d34c2a4..1abe17a 100644
--- a/src/ch/epfl/xblast/server/GameState.java
+++ b/src/ch/epfl/xblast/server/GameState.java
@@ -175,7 +175,9 @@ public final class GameState {
     private static List<Sq<Sq<Cell>>> nextExplosions(List<Sq<Sq<Cell>>> explosions0) {
         List<Sq<Sq<Cell>>> explosions1 = new ArrayList<>();
         for (Sq<Sq<Cell>>  explosion : explosions0) {
-            explosions1.add(explosion.tail());
+            if (!explosion.tail().isEmpty()) {
+                explosions1.add(explosion.tail());
+            }
         }
         return explosions1;
     }