added doors and keys.

[uxul-world.git] / on-collision.lisp

diff --git a/on-collision.lisp b/on-collision.lisp
index 9f9f329..8fbaf2a 100755 (executable)
--- a/on-collision.lisp
+++ b/on-collision.lisp
@@ -24,6 +24,25 @@
       )
   (collide-blocks moving-rectangle standing-rectangle collision))
 
+(defmethod on-collision
+    ((moving-rectangle player)
+     (standing-rectangle door)
+     (collision collision))
+
+  (cond ((find (dungeon standing-rectangle) (keys moving-rectangle))
+        (setf (keys moving-rectangle) (delete (dungeon standing-rectangle) (keys moving-rectangle) :count 1))
+        (setf (visible standing-rectangle) nil)
+        (setf (active standing-rectangle) nil)
+        (setf (colliding standing-rectangle) nil))
+       ((eql (direction collision) :DOWN)
+        ;; "bottom" - allow jumping again
+        (setf (mayjump moving-rectangle) T))
+        ;; "ceiling" - dont allow continuing jump
+       ((eql (direction collision) :UP)
+        (setf (maycontjump moving-rectangle) nil)))
+  (collide-blocks moving-rectangle standing-rectangle collision))
+
+
 (defmethod on-collision
     ((moving-rectangle player)
      (standing-rectangle tulip)