Sunsword can be invoked to create a blinding ray

doc/fixes3-7-0.txt

@@ -1388,6 +1388,7 @@ if hero shattered an unseen monster's weapon, the [also unseen] weapon was
 	described in the feedback
 don't self-genocide if a monk picks "master-lich" or "masterlich" as target
 	(was matching "Master" rank)
+Sunsword can be invoked to create a blinding ray
 
 
 Fixes to 3.7.0-x General Problems Exposed Via git Repository

include/artifact.h

@@ -64,7 +64,8 @@ enum invoke_prop_types {
     CREATE_PORTAL,
     ENLIGHTENING,
     CREATE_AMMO,
-    BANISH
+    BANISH,
+    BLINDING_RAY
 };
 
 /* clang-format on */

include/artilist.h

@@ -179,8 +179,8 @@ static NEARDATA struct artifact artilist[] = {
     /* Sunsword emits light when wielded (handled in the core rather than
        via artifact fields), but that light has no particular color */
     A("Sunsword", LONG_SWORD, (SPFX_RESTR | SPFX_DFLAG2), 0, M2_UNDEAD,
-      PHYS(5, 0), DFNS(AD_BLND), NO_CARY, 0, A_LAWFUL, NON_PM, NON_PM, 1500L,
-      NO_COLOR, SUNSWORD),
+      PHYS(5, 0), DFNS(AD_BLND), NO_CARY, BLINDING_RAY, A_LAWFUL, NON_PM,
+      NON_PM, 1500L, NO_COLOR, SUNSWORD),
 
     /*
      *      The artifacts for the quest dungeon, all self-willed.

include/extern.h

@@ -103,6 +103,7 @@ extern long timet_delta(time_t, time_t);
 
 /* ### apply.c ### */
 
+extern void do_blinding_ray(struct obj *) NONNULLPTRS;
 extern int doapply(void);
 extern int dorub(void);
 extern int dojump(void);

src/apply.c

@@ -54,11 +54,24 @@ staticfn boolean find_poleable_mon(coord *, int, int);
 static const char
     no_elbow_room[] = "don't have enough elbow-room to maneuver.";
 
+void
+do_blinding_ray(struct obj *obj)
+{
+    struct monst *mtmp = bhit(u.dx, u.dy, COLNO, FLASHED_LIGHT,
+                    (int (*) (MONST_P, OBJ_P)) 0,
+                    (int (*) (OBJ_P, OBJ_P)) 0, &obj);
+
+    obj->ox = u.ux, obj->oy = u.uy; /* flash_hits_mon() wants this */
+    if (mtmp)
+        (void) flash_hits_mon(mtmp, obj);
+    /* normally bhit() would do this but for FLASHED_LIGHT we want it
+       to be deferred until after flash_hits_mon() */
+    transient_light_cleanup();
+}
+
 staticfn int
 use_camera(struct obj *obj)
 {
-    struct monst *mtmp;
-
     if (Underwater) {
         pline("Using your camera underwater would void the warranty.");
         return ECMD_OK;
@@ -83,15 +96,7 @@ use_camera(struct obj *obj)
     } else if (!u.dx && !u.dy) {
         (void) zapyourself(obj, TRUE);
     } else {
-        mtmp = bhit(u.dx, u.dy, COLNO, FLASHED_LIGHT,
-                    (int (*) (MONST_P, OBJ_P)) 0,
-                    (int (*) (OBJ_P, OBJ_P)) 0, &obj);
-        obj->ox = u.ux, obj->oy = u.uy; /* flash_hits_mon() wants this */
-        if (mtmp)
-            (void) flash_hits_mon(mtmp, obj);
-        /* normally bhit() would do this but for FLASHED_LIGHT we want it
-           to be deferred until after flash_hits_mon() */
-        transient_light_cleanup();
+        do_blinding_ray(obj);
     }
     return ECMD_TIME;
 }

src/artifact.c

@@ -1916,6 +1916,10 @@ arti_invoke(struct obj *obj)
             }
             break;
         }
+        case BLINDING_RAY:
+            if (getdir((char *) 0))
+                do_blinding_ray(obj);
+            break;
         }
     } else {
         long eprop = (u.uprops[oart->inv_prop].extrinsic ^= W_ARTI),