MG Mud User | 88f1247 | 2016-06-24 23:31:02 +0200 | [diff] [blame^] | 1 | /* These sefuns are to provide a replacement for the efun query_shadowing() |
| 2 | * and the old semantics of the efun shadow(). |
| 3 | * Feel free to add it to your mudlibs, if you have much code relying on that. |
| 4 | */ |
| 5 | |
| 6 | #if ! __EFUN_DEFINED__(query_shadowing) |
| 7 | |
| 8 | #include <object_info.h> |
| 9 | |
| 10 | object query_shadowing(object ob) |
| 11 | { |
| 12 | return efun::object_info(ob, OI_SHADOW_PREV); |
| 13 | } |
| 14 | |
| 15 | private object _shadow(object ob, int flag) |
| 16 | { |
| 17 | if(flag) |
| 18 | { |
| 19 | object shadower = efun::previous_object(1); |
| 20 | efun::set_this_object(shadower); |
| 21 | |
| 22 | if (efun::shadow(ob)) |
| 23 | return efun::object_info(shadower, OI_SHADOW_PREV); |
| 24 | else |
| 25 | return 0; |
| 26 | } |
| 27 | else |
| 28 | return efun::object_info(ob, OI_SHADOW_NEXT); |
| 29 | } |
| 30 | #else |
| 31 | private object _shadow(object ob, int flag) |
| 32 | { |
| 33 | set_this_object(previous_object(1)); |
| 34 | return efun::shadow(ob, flag); |
| 35 | } |
| 36 | #endif |
| 37 | |
| 38 | |
| 39 | public object shadow(object ob, int flag) |
| 40 | { |
| 41 | object res = funcall(#'_shadow,ob, flag); |
| 42 | if (flag) |
| 43 | "/secure/shadowmaster"->RegisterShadow(previous_object()); |
| 44 | return res; |
| 45 | } |
| 46 | |
| 47 | private void _unshadow() { |
| 48 | set_this_object(previous_object(1)); |
| 49 | efun::unshadow(); |
| 50 | } |
| 51 | |
| 52 | public void unshadow() { |
| 53 | funcall(#'_unshadow); |
| 54 | "/secure/shadowmaster"->UnregisterShadow(previous_object()); |
| 55 | } |