4.8

1 files changed, 29 insertions, 0 deletions

diff --git a/src/se/liu/gusso230/tetris/Board.java b/src/se/liu/gusso230/tetris/Board.java
index d176dee..1864e9f 100644
--- a/src/se/liu/gusso230/tetris/Board.java
+++ b/src/se/liu/gusso230/tetris/Board.java
@@ -45,6 +45,8 @@ public class Board {
                 moveFalling();
             }
         }
+
+        checkFullLines();
     }
 
     private void moveFalling() {
@@ -70,6 +72,7 @@ public class Board {
     private boolean hasFallingCollision() {
         return !falling.onlyCoversEmpty(fallingX, fallingY, this);
     }
+
     private boolean fallingIsOutside() {
         return !falling.isInside(fallingX, fallingY, 0, width - 1, 0, height - 1);
     }
@@ -118,6 +121,32 @@ public class Board {
         notifyListeners();
     }
 
+    private void checkFullLines() {
+        int y = height - 1;
+        while (y >= 0) {
+            boolean hole = false;
+            for (int x = 0; x < width; x++) {
+                if (squares[y][x] == SquareType.EMPTY) {
+                    hole = true;
+                    break;
+                }
+            }
+            if (hole) {
+                y--;
+            } else {
+                moveDownFrom(y);
+            }
+        }
+    }
+
+    private void moveDownFrom(int line) {
+        for (int y = line; y > 0; y--) { // > since we dont want to copy into the top line
+            for (int x = 0; x < width; x++) {
+                squares[y][x] = squares[y-1][x];
+            }
+        }
+    }
+
     private void placeAt(Poly poly, int x, int y) {
         for (Point pt : poly.getPoints()) {
             squares[y + pt.getY()][x + pt.getX()] = poly.getSquareType();