Allow jump attack to target an empty square

The player can target an in-range empty square for jump attack.  If it turns out
that the square is empty, the jump-attack fails and the player rebounds to their
original position, losing the turn.

1 files changed, 6 insertions, 4 deletions

diff --git a/crawl-ref/source/misc.h b/crawl-ref/source/misc.h
index 46de012aaa..cdab1298d5 100644
--- a/crawl-ref/source/misc.h
+++ b/crawl-ref/source/misc.h
@@ -114,13 +114,15 @@ bool interrupt_cmd_repeat(activity_interrupt_type ai,
                           const activity_interrupt_data &at);
 
 bool bad_attack(const monster *mon, string& adj, string& suffix,
-                bool jump_check_landing = false,
-                coord_def attack_pos = coord_def(0, 0));
+                coord_def attack_pos = coord_def(0, 0),
+                bool check_landing_only = false);
+
 bool stop_attack_prompt(const monster* mon, bool beam_attack,
                         coord_def beam_target, bool autohit_first = false,
                         bool *prompted = nullptr,
-                        bool jump_check_landing = false,
-                        coord_def attack_pos = coord_def(0, 0));
+                        coord_def attack_pos = coord_def(0, 0),
+                        bool check_landing_only = false);
+
 bool stop_attack_prompt(targetter &hitfunc, string verb,
                         bool (*affects)(const actor *victim) = 0);