Restrict access to Hive and Crypt in multiplayer

Source/error.cpp

@@ -65,9 +65,9 @@ const char *const MsgStrings[] = {
 	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "Mysteries are revealed in the light of reason"),
 	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "Those who are last may yet be first"),
 	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "Generosity brings its own rewards"),
-	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "You must be at least level 8 to use this."),
-	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "You must be at least level 13 to use this."),
-	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "You must be at least level 17 to use this."),
+	N_("You must be at least level 8 to use this."),
+	N_("You must be at least level 13 to use this."),
+	N_("You must be at least level 17 to use this."),
 	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "Arcane knowledge gained!"),
 	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "That which does not kill you..."),
 	N_(/* TRANSLATORS: Shrine Text. Keep atmospheric. :) */ "Knowledge is power."),

Source/trigs.cpp

@@ -864,13 +864,13 @@ void CheckTriggers()
 					abortflag = EMSG_REQUIRES_LVL_8;
 				}
 
-				if (trigs[i]._tlvl == 9 && myPlayer._pLevel < 13) {
+				if (IsAnyOf(trigs[i]._tlvl, 9, 17) && myPlayer._pLevel < 13) {
 					abort = true;
 					position.x += 1;
 					abortflag = EMSG_REQUIRES_LVL_13;
 				}
 
-				if (trigs[i]._tlvl == 13 && myPlayer._pLevel < 17) {
+				if (IsAnyOf(trigs[i]._tlvl, 13, 21) && myPlayer._pLevel < 17) {
 					abort = true;
 					position.y += 1;
 					abortflag = EMSG_REQUIRES_LVL_17;