Add piece rotation

1 files changed, 14 insertions, 1 deletions

diff --git a/src/game.cpp b/src/game.cpp
index 47526c8..d897aa4 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -104,7 +104,6 @@ bool GameState::cellIsEmpty(Point* p){
     return( p->x < GRID_WIDTH && p->x >= 0 && grid[p->y][p->x] == 0 );
 }
 
-void GameState::pressRotate(){}
 void GameState::pressDown(){
     yspeed_ = 4;
 }
@@ -139,3 +138,17 @@ void GameState::pressRight(){
     }
     piece_ = tmp;
 }
+
+void GameState::pressRotate(){
+    Piece tmp = piece_;
+    tmp.rotate();
+    Point* p;
+    // Check if there's space to move to
+    tmp.initIterator();
+    while ( p = tmp.nextAbsBlockPos() ){
+        if(!cellIsEmpty(p)){
+            return;
+        }
+    }
+    piece_ = tmp;
+}