Make ranged weapon delay display properly on @

It only works if you have the appropriate projectile type
quivered (otherwise it shows you as if using the weapon in melee,
i.e. breadswing speed), but that's still an improvement.

Also, constify.

1 files changed, 15 insertions, 2 deletions

diff --git a/crawl-ref/source/player-act.cc b/crawl-ref/source/player-act.cc
index e0a17477ac..d60ca4fd57 100644
--- a/crawl-ref/source/player-act.cc
+++ b/crawl-ref/source/player-act.cc
@@ -284,8 +284,21 @@ brand_type player::damage_brand(int)
     return ret;
 }
 
-random_var player::attack_delay(item_def *weap, item_def *projectile,
-                                bool random, bool scaled) const
+
+/**
+ * Return the delay caused by attacking with the provided weapon & projectile.
+ *
+ * @param weap          The weapon to be used; may be null.
+ * @param projectile    The projectile to be fired/thrown; may be null.
+ * @param random        Whether to randomize delay, or provide a fixed value
+ *                      for display.
+ * @param scaled        Whether to apply special delay modifiers (finesse)
+ * @return              The time taken by an attack with the given weapon &
+ *                      projectile, in aut.
+ */
+random_var player::attack_delay(const item_def *weap,
+                                const item_def *projectile, bool random,
+                                bool scaled) const
 {
     random_var attk_delay = constant(15);
     const int armour_penalty = adjusted_body_armour_penalty(20);