Add messages, with global lookup map

Add support for messages, along with a global lookup map and random
choice of messages.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/types/mod.rs b/src/types/mod.rs
index 146dfac9d99b..ab66a50cc218 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -66,6 +66,12 @@ impl BoundingBox {
     pub fn inner(self) -> BoundingBox {
         self + UNIT_POSITION - UNIT_DIMENSIONS - UNIT_DIMENSIONS
     }
+
+    /// Moves the top right corner of the bounding box by the offset specified
+    /// by the given position, keeping the lower right corner in place
+    pub fn move_tr_corner(self, offset: Position) -> BoundingBox {
+        self + offset - Dimensions { w: offset.x as u16, h: offset.y as u16 }
+    }
 }
 
 impl ops::Add<Position> for BoundingBox {