playground -> cleaned warnings

src/pack/PlayGround.java

@@ -74,22 +74,14 @@ public class PlayGround {
         return positions;
     }
 
-    public void change(int[][] newPolicesSituation, int xThief, int yThief) {
-        int i, j;
-        for (i = 0; i < n; i++)
-            for (j = 0; j < m; j++)
-                ground[i][j] = 0;
-
-        for (i = 0; i < policeNumbers; i++)
-            ground[newPolicesSituation[i][0]][newPolicesSituation[i][1]] = 1;
-
-        ground[xThief][yThief] = -1;
-    }
-
     public void changeSituation(int xPrevious, int yPrevious, int xNew, int yNew, int k) {
-        if (xNew == thiefSituation[0][0] && yNew == thiefSituation[0][1]) return;
+        if (xNew == thiefSituation[0][0] && yNew == thiefSituation[0][1] && k == 1) return;
         ground[xPrevious][yPrevious] = 0;
         ground[xNew][yNew] = k;
+        if (k == -1) {
+            thiefSituation[0][0] = xNew;
+            thiefSituation[0][1] = yNew;
+        }
 
     }
 
@@ -121,15 +113,6 @@ public class PlayGround {
         return null;
     }
 
-    public boolean catchThief() {
-        int i, j;
-        for (i = 0; i < n; i++)
-            for (j = 0; j < m; j++)
-                if (ground[i][j] == 100)
-                    return true;
-        return false;
-    }
-
     public boolean isEmpty(int x, int y) {
         if (ground[x][y] == -1) {
             catchThief = true;
@@ -145,15 +128,8 @@ public class PlayGround {
         return ret;
     }
 
-    public int[][] getThiefSituation() {
-        int[][] ret = new int[1][2];
-        ret[0][0] = thiefSituation[0][0];
-        ret[0][1] = thiefSituation[0][1];
-        return ret;
-    }
-
     public boolean getCatchThief() {
         return catchThief;
     }
-    
+
 }