GhostTree can now be killed

[supertux.git] / src / moving_object.hpp

diff --git a/src/moving_object.hpp b/src/moving_object.hpp
index b2f3de9..69d36a3 100644 (file)
--- a/src/moving_object.hpp
+++ b/src/moving_object.hpp
@@ -31,7 +31,7 @@ class CollisionGrid;
 
 enum CollisionGroup {
   /** Objects in DISABLED group are not tested for collisions */
-  COLGROUP_DISABLED,
+  COLGROUP_DISABLED = 0,
   /**
    * "default" is moving object. MovingObjects get tested against all other
    * objects and against other movingobjects
@@ -42,6 +42,8 @@ enum CollisionGroup {
    * MovingOnlyStatic objects), but is tested against all other objects.
    */
   COLGROUP_MOVING_ONLY_STATIC,
+  /** TODO write docu :-/ */
+  COLGROUP_MOVING_STATIC,
   /**
    * Doesn't move and isn't explicitely checked for collisions with other
    * objects (but other objects might check with this)
@@ -85,6 +87,16 @@ public:
   {
     (void) hit;
   }
+  /**
+   * when 2 objects collided, we will first call the pre_collision_check
+   * functions of both objects that can decide on how to react to the collision.
+   */
+  virtual bool collides(GameObject& other, const CollisionHit& hit)
+  {
+    (void) other;
+    (void) hit;
+    return true;
+  }
   /** this function is called when the object collided with any other object */
   virtual HitResponse collision(GameObject& other, const CollisionHit& hit) = 0;
   /** called when tiles with special attributes have been touched */