magicians can always identify their own curse-effects.

magic-resistance on a building is always visible to anybody, just like it is on units.

res/core/messages.xml

@@ -390,7 +390,7 @@
     <text locale="de">"Die Ausrüstung von $unit($unit) scheint unsichtbar. ($int36($id))"</text>
     <text locale="en">"$unit($unit)'s equipment is invisible. ($int36($id))"</text>
   </message>
-  <message name="curseinfo::magicresistance" section="events">
+  <message name="curseinfo::magicresistance_unit" section="events">
     <type>
       <arg name="unit" type="unit"/>
       <arg name="id" type="int"/>
@@ -398,7 +398,7 @@
     <text locale="de">"Die natürliche Widerstandskraft gegen Verzauberung ist gestärkt. ($int36($id))"</text>
     <text locale="en">"The magical resistance has been strengthened. ($int36($id))"</text>
   </message>
-  <message name="curseinfo::homestone" section="events">
+  <message name="curseinfo::magicresistance_building" section="events">
     <type>
       <arg name="building" type="building"/>
       <arg name="id" type="int"/>

src/creport.c

@@ -250,9 +250,7 @@ cr_output_curses(stream *out, const faction * viewer, const void *obj, objtype_t
             curse *c = (curse *)a->data.v;
             message *msg;
 
-            if (c->type->cansee) {
+            self = curse_cansee(c, viewer, typ, obj, self);
-                self = c->type->cansee(viewer, obj, typ, c, self);
-            }
             msg = msg_curse(c, obj, typ, self);
 
             if (msg) {

src/kernel/curse.c

@@ -642,6 +642,17 @@ void transfer_curse(unit * u, unit * u2, int n)
 
 /* ------------------------------------------------------------- */
 
+int curse_cansee(const curse *c, const faction *viewer, objtype_t typ, const void *obj, int self) {
+    if (self < 3 && c->magician && c->magician->faction == viewer) {
+        // magicians can see their own curses better than anybody, no exceptions
+        self = 3;
+    }
+    else if (c->type->cansee) {
+        self = c->type->cansee(viewer, obj, typ, c, self);
+    }
+    return self;
+}
+
 bool curse_active(const curse * c)
 {
     if (!c)

src/kernel/curse.h

@@ -303,7 +303,7 @@ extern "C" {
     const char *oldcursename(int id);
     struct message *cinfo_simple(const void *obj, objtype_t typ,
         const struct curse *c, int self);
-
+    int curse_cansee(const struct curse *c, const struct faction *viewer, objtype_t typ, const void *obj, int self);
 #define is_cursed(a, id, id2) \
   curse_active(get_curse(a, ct_find(oldcursename(id))))
 #define get_curseeffect(a, id, id2) \

src/report.c

@@ -520,9 +520,7 @@ nr_curses_i(stream *out, int indent, const faction *viewer, objtype_t typ, const
         if (fval(a->type, ATF_CURSE)) {
             curse *c = (curse *)a->data.v;
 
-            if (c->type->cansee) {
+            self = curse_cansee(c, viewer, typ, obj, self);
-                self = c->type->cansee(viewer, obj, typ, c, self);
-            }
             msg = msg_curse(c, obj, typ, self);
 
             if (msg) {

src/spells/magicresistance.c

@@ -9,14 +9,14 @@ static struct message *cinfo_magicresistance(const void *obj, objtype_t typ, con
     if (typ == TYP_UNIT) {
         if (self != 0) {
             const struct unit *u = (const struct unit *)obj;
-            return msg_message(mkname("curseinfo", c->type->cname), "unit id", u,
+            return msg_message(mkname("curseinfo", "magicresistance_unit"), "unit id", u,
                 c->no);
         }
         return NULL;
     }
     if (typ == TYP_BUILDING) {
         const struct building *b = (const struct building *)obj;
-        return msg_message(mkname("curseinfo", self ? "homestone" : "buildingunknown"), "id building", c->no, b);
+        return msg_message(mkname("curseinfo", "magicresistance_building"), "id building", c->no, b);
     }
     return 0;
 }