1 files changed, 17 insertions, 0 deletions
diff --git a/Portal.h b/Portal.h
index 8cb91c9..3596bc2 100644
--- a/Portal.h
+++ b/Portal.h
@@ -16,6 +16,7 @@ class Portal : public LevelObject, public VertexProvider {
     
     Vertex vertices[4];
     float s, c;
+    bool connected[4];
     
     
     void updateVertices() {
@@ -54,6 +55,10 @@ class Portal : public LevelObject, public VertexProvider {
       
       orient = 0;
       
+      for(int i = 0; i < 4; i++) {
+        connected[i] = false;
+      }
+      
       updateOrient();
     }
     
@@ -109,13 +114,25 @@ class Portal : public LevelObject, public VertexProvider {
       return 1;
     }
     
+    virtual bool canMove() const {return true;}
+    
     virtual void moveVertex(size_t id, float x, float y) {
       move(x, y);
     }
     
+    virtual bool canRotate() const {return true;}
+    
     virtual void rotateVertex(size_t id, Vertex m, float a) {
       rotate(m, a);
     }
+    
+    virtual bool canConnectVertex(size_t id) const {
+      return !connected[id];
+    }
+    
+    virtual void connectVertex(size_t id) {
+      connected[id] = true;
+    }
 };
 
 #endif /*PORTAL_H_*/