Merge branch 'master' of github.com:earwig/goldfish

src/Grid.java

@@ -11,13 +11,29 @@ public class Grid {
 
     public Grid(int x, int y) {
         _grid = new Patch[x][y];
-        for(int i = 0; i < x; i++) {
-            for(int j = 0; j < y; j++) {
+        for (int i = 0; i < x; i++) {
+            for (int j = 0; j < y; j++) {
                 _grid[i][j] = new Patch(this, i, j);
             }
         }
     }
 
+    private static int normalizeX(int x) {
+        while (x >= getWidth())
+            x -= getWidth();
+        while (x < 0)
+            x += getWidth();
+        return x;
+    }
+
+    private static int normalizeY(int y) {
+        while (y >= getHeight())
+            y -= getHeight();
+        while (y < 0)
+            y += getHeight();
+        return y;
+    }
+
     public int getWidth() {
         return _grid.length;
     }
@@ -27,17 +43,21 @@ public class Grid {
     }
 
     public Patch getPatch(int x, int y) {
+        x = normalizeX(x);
+        y = normalizeY(y);
         return _grid[x][y];
     }
 
     public void setPatch(int x, int y, Patch p) {
+        x = normalizeX(x);
+        y = normalizeY(y);
         _grid[x][y] = p;
     }
 
     public String toString() {
         String ans = "";
-        for(int i = 0; i < _grid.length; i++) {
-            for(int j = 0; j < _grid[i].length; j++) {
+        for (int i = 0; i < _grid.length; i++) {
+            for (int j = 0; j < _grid[i].length; j++) {
                 ans += _grid[i][j];
             }
             ans += "\n";

src/Patch.java

@@ -1,19 +1,20 @@
 package edu.stuy.goldfish;
 
 public class Patch {
-    private int _pxcor, _pycor, _state;
-    private String _plabel;
-    private Grid _myGrid;
-
-    public Patch(Grid grid, int xcor, int ycor, int state) {
-        _myGrid = grid;
-        _pxcor = xcor;
-        _pycor = ycor;
+    private int _xcor, _ycor, _state;
+    private String _label;
+    private Grid _grid;
+
+    public Patch(Grid grid, int xcor, int ycor, int state, String label) {
+        _grid = grid;
+        _xcor = xcor;
+        _ycor = ycor;
         _state = state;
+        _label = label;
     }
 
     public Patch() {
-        this(new Grid(), 0, 0, 0);
+        this(new Grid(), 0, 0, 0, "");
     }
 
     public Grid getGrid() {
@@ -21,14 +22,54 @@ public class Patch {
     }
 
     public int getX() {
-        return _pxcor;
+        return _xcor;
     }
 
     public int getY() {
-        return _pycor;
+        return _ycor;
+    }
+
+    public int getState() {
+        return _state;
+    }
+
+    public void setState(int state) {
+        _state = state;
+    }
+
+    public String getLabel() {
+        return _label;
+    }
+
+    public void setLabel(String label) {
+        _label = label;
     }
 
     public String toString() {
         return _plabel;
     }
-}    
+
+    public Patch[] get4Neighbors() {
+        Patch[] neighbors = new Patch[4];
+        neighbors[0] = _grid.getPatch(_xcor + 1, _ycor);
+        neighbors[1] = _grid.getPatch(_xcor - 1, _ycor);
+        neighbors[2] = _grid.getPatch(_xcor, _ycor + 1);
+        neighbors[3] = _grid.getPatch(_xcor, _ycor - 1);
+    }
+
+    public Patch[] get8Neighbors() {
+        Patch[] neighbors = new Patch[8];
+        neighbors[0] = _grid.getPatch(_xcor + 1, _ycor);
+        neighbors[1] = _grid.getPatch(_xcor - 1, _ycor);
+        neighbors[2] = _grid.getPatch(_xcor, _ycor + 1);
+        neighbors[3] = _grid.getPatch(_xcor, _ycor - 1);
+        neighbors[4] = _grid.getPatch(_xcor + 1, _ycor + 1);
+        neighbors[5] = _grid.getPatch(_xcor + 1, _ycor - 1);
+        neighbors[6] = _grid.getPatch(_xcor - 1, _ycor + 1);
+        neighbors[7] = _grid.getPatch(_xcor - 1, _ycor - 1);
+    }
+
+    public Patch clone() {
+        return new Patch(_grid, _xcor, _ycor, _state, _label);
+    }
+}