Expose getPointedThing to Lua

This commit introduces Raycast, a Lua user object, which can be
used to perform a raycast on the map. The ray is continuable, so one can
also get hidden nodes (for example to see trough glass).

1 files changed, 3 insertions, 33 deletions

diff --git a/src/clientenvironment.h b/src/clientenvironment.h
index 05ec1908f..070ff95fb 100644
--- a/src/clientenvironment.h
+++ b/src/clientenvironment.h
@@ -30,7 +30,6 @@ class ClientScripting;
 class ClientActiveObject;
 class GenericCAO;
 class LocalPlayer;
-struct PointedThing;
 
 /*
 	The client-side environment.
@@ -125,44 +124,15 @@ public:
 		std::vector<DistanceSortedActiveObject> &dest);
 
 	bool hasClientEnvEvents() const { return !m_client_event_queue.empty(); }
+
 	// Get event from queue. If queue is empty, it triggers an assertion failure.
 	ClientEnvEvent getClientEnvEvent();
 
-	/*!
-	 * Gets closest object pointed by the shootline.
-	 * Returns NULL if not found.
-	 *
-	 * \param[in]  shootline_on_map    the shootline for
-	 * the test in world coordinates
-	 * \param[out] intersection_point  the first point where
-	 * the shootline meets the object. Valid only if
-	 * not NULL is returned.
-	 * \param[out] intersection_normal the normal vector of
-	 * the intersection, pointing outwards. Zero vector if
-	 * the shootline starts in an active object.
-	 * Valid only if not NULL is returned.
-	 */
-	ClientActiveObject * getSelectedActiveObject(
+	virtual void getSelectedActiveObjects(
 		const core::line3d<f32> &shootline_on_map,
-		v3f *intersection_point,
-		v3s16 *intersection_normal
+		std::vector<PointedThing> &objects
 	);
 
-	/*!
-	 * Performs a raycast on the world.
-	 * Returns the first thing the shootline meets.
-	 *
-	 * @param[in]  shootline         the shootline, starting from
-	 * the camera position. This also gives the maximal distance
-	 * of the search.
-	 * @param[in]  liquids_pointable if false, liquids are ignored
-	 * @param[in]  look_for_object   if false, objects are ignored
-	 */
-	PointedThing getPointedThing(
-		core::line3d<f32> shootline,
-		bool liquids_pointable,
-		bool look_for_object);
-
 	u16 attachement_parent_ids[USHRT_MAX + 1];
 
 	const std::list<std::string> &getPlayerNames() { return m_player_names; }