level_pos: add methods current() and is_on()

Added to level_pos the static method current(), similar to
level_id::current(), and is_on(level_id lev), which returns true if the
level_pos is on the given level_id.

1 files changed, 8 insertions, 0 deletions

diff --git a/crawl-ref/source/travel.h b/crawl-ref/source/travel.h
index 3dcf059577..dde4ce08fc 100644
--- a/crawl-ref/source/travel.h
+++ b/crawl-ref/source/travel.h
@@ -197,6 +197,9 @@ struct level_pos
         pos.x = pos.y = -1;
     }
 
+    // Returns the level_pos of where the player is standing.
+    static level_pos current();
+
     bool operator == ( const level_pos &lp ) const
     {
         return id == lp.id && pos == lp.pos;
@@ -217,6 +220,11 @@ struct level_pos
         return id.depth > -1 && pos.x != -1 && pos.y != -1;
     }
 
+    bool is_on( const level_id _id)
+    {
+        return id == _id;
+    }
+
     void clear()
     {
         id.clear();