Disjunction

Level 8 translocation spell.
Blinks away everything with diminishing probability with:

P(~blink) = 0.8^(1/(dist+1)/(dist-1))
Over 10 ticks, a monster adjacent to the caster will blink with probability 0.9.
Monsters may be blinked repeatedly.

1 files changed, 27 insertions, 0 deletions

diff --git a/crawl-ref/source/areas.cc b/crawl-ref/source/areas.cc
index c200e6322a..3e80a9d2c9 100644
--- a/crawl-ref/source/areas.cc
+++ b/crawl-ref/source/areas.cc
@@ -42,6 +42,7 @@ enum areaprop_flag
     APROP_UMBRA         = (1 << 7),
     APROP_SUPPRESSION   = (1 << 8),
     APROP_QUAD          = (1 << 9),
+    APROP_DISJUNCTION   = (1 << 10),
 };
 
 struct area_centre
@@ -198,6 +199,18 @@ static void _update_agrid()
         no_areas = false;
     }
 
+    if (you.duration[DUR_DISJUNCTION])
+    {
+        const int r = 27;
+        _agrid_centres.push_back(area_centre(AREA_DISJUNCTION, you.pos(), r));
+        for (radius_iterator ri(you.pos(), r, C_CIRCLE, you.get_los());
+             ri; ++ri)
+        {
+            _set_agrid_flag(*ri, APROP_DISJUNCTION);
+        }
+        no_areas = false;
+    }
+
     if (!env.sunlight.empty())
     {
         for (size_t i = 0; i < env.sunlight.size(); ++i)
@@ -691,6 +704,20 @@ bool quad_haloed(const coord_def& p)
 }
 
 /////////////
+// Disjunction Glow
+//
+
+bool disjunction_haloed(const coord_def& p)
+{
+    if (!map_bounds(p))
+        return false;
+    if (!_agrid_valid)
+        _update_agrid();
+
+    return _check_agrid_flag(p, APROP_DISJUNCTION);
+}
+
+/////////////
 // Umbra
 //