Unrand: the +3,+5 arc blade {discharge, rElec}.

It is a cutlass that casts Static Discharge centred on the target on one
in three melee hits - effectively an amplified electrocution brand.

3 files changed, 32 insertions, 0 deletions

diff --git a/crawl-ref/source/art-data.txt b/crawl-ref/source/art-data.txt
index 5cfe72e473..ce4984d01e 100644
--- a/crawl-ref/source/art-data.txt
+++ b/crawl-ref/source/art-data.txt
@@ -1119,6 +1119,13 @@ PLUS:    +2
 BRAND:   SPARM_ARCHMAGI
 STEALTH: -20
 
+NAME:     arc blade
+INSCRIP:  discharge,
+OBJ:      OBJ_WEAPONS/WPN_CUTLASS
+PLUS:     +3/+5
+COLOUR:   ETC_ELECTRICITY
+BOOL:     elec
+
 # This is the first of two amulets used to test suppression aura.
 # Together, they confer every randart effect except for a few that are
 # determined explicitly by checking whether a certain amulet is worn
diff --git a/crawl-ref/source/art-func.h b/crawl-ref/source/art-func.h
index b72151e43c..ced8283b3d 100644
--- a/crawl-ref/source/art-func.h
+++ b/crawl-ref/source/art-func.h
@@ -940,3 +940,23 @@ static void _ELEMENTAL_STAFF_melee_effects(item_def* item, actor* attacker,
          defender->name(DESC_THE).c_str());
     defender->hurt(attacker, d);
 }
+
+///////////////////////////////////////////////////
+
+static void _ARC_BLADE_equip(item_def *item, bool *show_msgs, bool unmeld)
+{
+    _equip_mpr(show_msgs, "The arc blade crackles to life.");
+}
+
+static void _ARC_BLADE_unequip(item_def *item, bool *show_msgs)
+{
+    _equip_mpr(show_msgs, "The arc blade stops crackling.");
+}
+
+static void _ARC_BLADE_melee_effects(item_def* weapon, actor* attacker,
+                                     actor* defender, bool mondied,
+                                     int dam)
+{
+    if (!mondied && one_chance_in(3))
+        cast_discharge(75 + random2avg(75, 2), false);
+}
diff --git a/crawl-ref/source/dat/descript/unrand.txt b/crawl-ref/source/dat/descript/unrand.txt
index ad837fb16f..844f2f048b 100644
--- a/crawl-ref/source/dat/descript/unrand.txt
+++ b/crawl-ref/source/dat/descript/unrand.txt
@@ -518,6 +518,11 @@ effects from the residual hexes and magical energies it was once subjected to
 on a daily basis; spellcasters able to get a handle on its power, however, will
 find it enhances their spell power.
 %%%%
+arc blade
+
+A cutlass somehow crafted from pure electricity. Striking an enemy with it
+occasionally unleashes a static discharge.
+%%%%
 milk chocolate
 
 This item is a debugging aid, granting a vast array of mostly beneficial