From d49f04f32345c12a726e02f8d338d8bd6efb7f66 Mon Sep 17 00:00:00 2001
From: Robert Vollmert <rvollmert@gmx.net>
Date: Tue, 3 Nov 2009 10:11:51 +0100
Subject: Refine ray_def assertions.

ray_def::advance() and ray_def::bounce() now check pre- and post-
conditions on validity.
---
 crawl-ref/source/ray.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'crawl-ref/source/ray.h')

diff --git a/crawl-ref/source/ray.h b/crawl-ref/source/ray.h
index 92373eddea..d2bcb0c1e1 100644
--- a/crawl-ref/source/ray.h
+++ b/crawl-ref/source/ray.h
@@ -24,9 +24,10 @@ struct ray_def
 
     coord_def pos() const;
     bool advance();
-    coord_def move_to_side();
     void bounce(const reflect_grid &rg);
     void regress();
+
+    bool _valid() const;
 };
 
 #endif
-- 
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