//***************************************************************************** // // portal.c // // handles all of the functioning of the portal item type. Stores data about // the destination vnums of a portal, and does all the legwork for retreiving // destinations when someone wants to interact with a portal. // //***************************************************************************** #include "../mud.h" #include "../utils.h" #include "../storage.h" #include "../character.h" #include "../object.h" #include "../socket.h" #include "../room.h" #include "../world.h" #include "../movement.h" #include "../inform.h" #include "../handler.h" #include "items.h" #include "../olc2/olc.h" #include "iedit.h" //***************************************************************************** // mandatory modules //***************************************************************************** #include "../scripts/scripts.h" #include "../scripts/pyobj.h" #include "../scripts/pyroom.h" //***************************************************************************** // item data for portals //***************************************************************************** typedef struct portal_data { char *dest; } PORTAL_DATA; PORTAL_DATA *newPortalData() { PORTAL_DATA *data = malloc(sizeof(PORTAL_DATA)); data->dest = strdup(""); return data; } void deletePortalData(PORTAL_DATA *data) { if(data->dest) free(data->dest); free(data); } void portalDataCopyTo(PORTAL_DATA *from, PORTAL_DATA *to) { if(to->dest) free(to->dest); to->dest = strdupsafe(from->dest); } PORTAL_DATA *portalDataCopy(PORTAL_DATA *data) { PORTAL_DATA *new_data = newPortalData(); portalDataCopyTo(data, new_data); return new_data; } STORAGE_SET *portalDataStore(PORTAL_DATA *data) { STORAGE_SET *set = new_storage_set(); store_string(set, "dest", data->dest); return set; } PORTAL_DATA *portalDataRead(STORAGE_SET *set) { PORTAL_DATA *data = newPortalData(); data->dest = strdup(read_string(set, "dest")); return data; } //***************************************************************************** // functions for interacting with portals //***************************************************************************** const char *portalGetDest(OBJ_DATA *obj) { PORTAL_DATA *data = objGetTypeData(obj, "portal"); return data->dest; } void portalSetDest(OBJ_DATA *obj, const char *dest) { PORTAL_DATA *data = objGetTypeData(obj, "portal"); if(data->dest) free(data->dest); data->dest = strdupsafe(dest); } // // cmd_enter is used to go through portals // usage: enter <object> // // examples: // enter portal enter the thing called "portal" in your room COMMAND(cmd_enter) { void *found = NULL; int found_type = PARSE_NONE; if(!parse_args(ch, TRUE, cmd, arg, "{ obj.room exit } ", &found, &found_type)) return; // we're trying to enter an exit if(found_type == PARSE_EXIT) { if(try_move_mssg(ch, roomGetExitDir(charGetRoom(ch), found))) look_at_room(ch, charGetRoom(ch)); } // we're trying to enter a portal else { if(!objIsType(found, "portal")) send_to_char(ch, "You cannot seem to find an enterance.\r\n"); else { ROOM_DATA *dest = worldGetRoom(gameworld, portalGetDest(found)); if(dest == NULL) send_to_char(ch, "There is nothing on the other side...\r\n"); else { send_to_char(ch, "You step through %s.\r\n", see_obj_as(ch, found)); message(ch, NULL, found, NULL, TRUE, TO_ROOM, "$n steps through $o."); char_from_room(ch); char_to_room(ch, dest); look_at_room(ch, dest); message(ch, NULL, found, NULL, TRUE, TO_ROOM, "$n arrives after travelling through $o."); } } } } //***************************************************************************** // portal olc //***************************************************************************** #define IEDIT_PORTAL_DEST 1 // the resedit olc needs these declared void iedit_portal_menu (SOCKET_DATA *sock, PORTAL_DATA *data) { send_to_socket(sock, "{g1) Destination: {c%s\r\n", data->dest); } int iedit_portal_chooser(SOCKET_DATA *sock, PORTAL_DATA *data, const char *option) { switch(toupper(*option)) { case '1': text_to_buffer(sock, "Enter new destination (return for none): "); return IEDIT_PORTAL_DEST; default: return MENU_CHOICE_INVALID; } } bool iedit_portal_parser (SOCKET_DATA *sock, PORTAL_DATA *data, int choice, const char *arg) { switch(choice) { case IEDIT_PORTAL_DEST: { if(data->dest) free(data->dest); data->dest = strdupsafe(arg); return TRUE; } default: return FALSE; } } void portal_from_proto(PORTAL_DATA *data, BUFFER *buf) { if(*bufferString(buf)) { char dest[SMALL_BUFFER]; sscanf(bufferString(buf), "me.portal_dest = \"%s", dest); dest[next_letter_in(dest, '\"')] = '\0'; // kill closing " if(data->dest) free(data->dest); data->dest = strdupsafe(dest); } } void portal_to_proto(PORTAL_DATA *data, BUFFER *buf) { if(*data->dest) bprintf(buf, "me.portal_dest = \"%s\"\n", data->dest); } //***************************************************************************** // pyobj getters and setters //***************************************************************************** PyObject *PyObj_getportaldest(PyObject *self, void *closure) { OBJ_DATA *obj = PyObj_AsObj(self); if(obj == NULL) return NULL; else if(objIsType(obj, "portal")) return Py_BuildValue("s", portalGetDest(obj)); else { PyErr_Format(PyExc_TypeError, "Can only get destination for portals."); return NULL; } } int PyObj_setportaldest(PyObject *self, PyObject *value, void *closure) { OBJ_DATA *obj = PyObj_AsObj(self); if(obj == NULL) { PyErr_Format(PyExc_StandardError, "Tried to set destination for " "nonexistent portal, %d", PyObj_AsUid(self)); return -1; } else if(!objIsType(obj, "portal")) { PyErr_Format(PyExc_TypeError, "Tried to set destination for non-portal, %s", objGetClass(obj)); return -1; } if(PyString_Check(value)) portalSetDest(obj, PyString_AsString(value)); else if(PyRoom_Check(value)) portalSetDest(obj, roomGetClass(PyRoom_AsRoom(value))); else { PyErr_Format(PyExc_TypeError, "portal dest must be a room or string."); return -1; } return 0; } //***************************************************************************** // install the portal item type //***************************************************************************** // // this will need to be called by init_items() in items/items.c void init_portal(void) { item_add_type("portal", newPortalData, deletePortalData, portalDataCopyTo, portalDataCopy, portalDataStore, portalDataRead); // set up the portal OLC too item_add_olc("portal", iedit_portal_menu, iedit_portal_chooser, iedit_portal_parser, portal_from_proto, portal_to_proto); // make it so we can set portal destinations in scripts PyObj_addGetSetter("portal_dest", PyObj_getportaldest, PyObj_setportaldest, "the database key of the room we're going to."); add_cmd("enter", NULL, cmd_enter, POS_STANDING, POS_FLYING, "player", TRUE, TRUE); }