Make it impossible to wait out or re-roll Sage cards you don't want.

They redirect a certain amount of xp.  Multiple cards work concurrently,
diluting each other but not affecting the total amount of xp redirected.

Need a formula for how much to redirect.

1 files changed, 8 insertions, 0 deletions

diff --git a/crawl-ref/source/libutil.h b/crawl-ref/source/libutil.h
index 96e596f95a..cb1cb6e1d8 100644
--- a/crawl-ref/source/libutil.h
+++ b/crawl-ref/source/libutil.h
@@ -178,6 +178,14 @@ std::string comma_separated_line(Z start, Z end,
 
 std::string unwrap_desc(std::string desc);
 
+template <typename Z>
+void erase_any(std::vector<Z> &vec, unsigned long which)
+{
+    if (which != vec.size() - 1)
+        vec[which] = vec[vec.size() - 1];
+    vec.pop_back();
+}
+
 inline int sqr(int x)
 {
     return x * x;