--- /dev/null
+
+// huffware script: menu list manager, by fred huffhines.
+//
+// deals with popping up menus when desired. does not do any configuration
+// reading; that all must be fed to the script via link messages.
+//
+// this script is licensed by the GPL v3 which is documented at: http://www.gnu.org/licenses/gpl.html
+// do not use it in objects without fully realizing you are implicitly accepting that license.
+//
+
+// constants...
+
+string GIFTING_MENU_NAME = "#gifting#";
+ // the menu name that we support internally for giving gifts.
+
+// global variables...
+
+// these are the definition of the menuing system,
+// and are valid once we have heard our config.
+
+// unique identifiers of menu names.
+list menu_names;
+// a list of titles for the menus.
+list menu_titles;
+// the menu choices are strings containing encoded lists of button text labels.
+list menu_button_lists;
+
+// store current activated menu info...
+string _private_global_av_name;
+string _private_global_av_key;
+
+// menu list manager link message API.
+//////////////
+// do not redefine these constants.
+integer MENU_LIST_MANAGER_HUFFWARE_ID = 10033;
+ // the unique id within the huffware system for this sensor plugin script.
+string HUFFWARE_PARM_SEPARATOR = "{~~~}";
+ // this pattern is an uncommon thing to see in text, so we use it to separate
+ // our commands in link messages.
+string HUFFWARE_ITEM_SEPARATOR = "{|||}";
+ // used to separate lists of items from each other when stored inside a parameter.
+ // this allows lists to be passed as single string parameters if needed.
+integer REPLY_DISTANCE = 100008; // offset added to service's huffware id in reply IDs.
+string MENU_LIST_MGR_RESET = "#ml-reset#";
+ // throws out any current menus and gets ready to load a new set.
+string MENU_LIST_MGR_ADD_MENU = "#ml-addmenu#";
+ // puts a new menu into our list. this requires 3 parameters: menu name,
+ // menu title, menu button list.
+string MENU_LIST_MGR_SHOW_MENU = "#ml-shomenu#";
+ // a request that a particular menu be shown. the first parameter is the menu index.
+ // the second parameter is the avatar name. the third parameter is the avatar key.
+string MENU_LIST_MGR_GIVE_ITEM = "#ml-give#";
+ // brings up a gift giving menu. parms are avatar name and avatar key.
+string MENU_LIST_MGR_MODIFY_MENU = "#ml-modmenu#";
+string MENU_LIST_KEEP_WORD = "KEEP";
+ // replaces a menu already in the list. this requires 4 parameters: menu index, menu name,
+ // menu title, menu button list. if a parameter is the MENU_LIST_KEEP_WORD, then that field
+ // is not changed.
+string MENU_LIST_MGR_CHOICE_MADE_ALERT = "#ml-event-picked";
+ // alerts the driver for this script that the owner has picked a choice. the
+ // parameters include: the text of the choice, the name of the menu, the avatar name,
+ // the avatar key.
+//
+//////////////
+// joins a list of parameters using the parameter sentinel for the library.
+string wrap_parameters(list to_flatten)
+{ return llDumpList2String(to_flatten, HUFFWARE_PARM_SEPARATOR); }
+//////////////
+
+// requires HUD sensor plugin v21.4 or better.
+//////////////
+// do not redefine these constants.
+integer SENSOR_PLUGIN_HUFFWARE_ID = 10014;
+ // the unique id within the huffware system for this sensor plugin script.
+string GIVE_ALL_AVATARS = "#santa#";
+ // if this is received, the sensor plugin attempts to hand out an object passed as
+ // the first parameter to every avatar it knows about.
+//////////////
+
+// requires menutini v3.9 or better...
+//////////////
+// do not redefine these constants.
+integer MENUTINI_HUFFWARE_ID = 10009;
+ // the unique id within the huffware system for the jaunt script to
+ // accept commands on. this is used in llMessageLinked as the num parameter.
+// commands available via menutini:
+string SHOW_MENU_COMMAND = "#menu#";
+ // the command that tells menutini to show a menu defined by parameters
+ // that are passed along. these must be: the menu name, the menu's title
+ // (which is really the info to show as content in the main box of the menu),
+ // the wrapped list of commands to show as menu buttons, the menu system
+ // channel's for listening, and the key to listen to.
+//
+//////////////
+// joins a list of sub-items using the item sentinel for the library.
+string wrap_item_list(list to_wrap)
+{ return llDumpList2String(to_wrap, HUFFWARE_ITEM_SEPARATOR); }
+//
+//////////////
+
+// replaces occurences of $owner and $avatar with the owner's name and the
+// targeted avatars name. _first and _last added to the name cause the first
+// or last name to be used instead.
+string senso_substitute_vars(string to_substitute, string avatars_name)
+{
+ string owners_name = llKey2Name(llGetOwner());
+ return substitute_variable_list(to_substitute,
+ [ "avatar_first", "avatar_last", "avatar",
+ "owner_first", "owner_last", "owner" ],
+ [ first_name(avatars_name), last_name(avatars_name), avatars_name,
+ first_name(owners_name), last_name(owners_name), owners_name ]);
+}
+
+integer random_channel() { return -(integer)(llFrand(40000) + 20000); }
+
+simply_display_menu(string menu_name, string title, list buttons,
+ string av_name, string av_key)
+{
+ // we only manage one global now for this stuff...
+ _private_global_av_name = av_name;
+ _private_global_av_key = av_key;
+
+ integer menu_channel = random_channel();
+/// key listen_to = llGetOwner();
+//log_it("passing in key to use: " + (string)listen_to);
+ llMessageLinked(LINK_THIS, MENUTINI_HUFFWARE_ID, SHOW_MENU_COMMAND,
+ menu_name + HUFFWARE_PARM_SEPARATOR
+ + title + HUFFWARE_PARM_SEPARATOR
+ + wrap_item_list(buttons) + HUFFWARE_PARM_SEPARATOR
+ + (string)menu_channel + HUFFWARE_PARM_SEPARATOR
+ + (string)av_key);
+}
+
+replace_vars_and_display_menu(integer menu_index, string av_name, string av_key)
+{
+ // patch the avatar names and owner names before displaying.
+ string title = senso_substitute_vars(llList2String(menu_titles, menu_index), av_name);
+ string button_text = llList2String(menu_button_lists, menu_index);
+
+ simply_display_menu(llList2String(menu_names, menu_index), title,
+ llParseStringKeepNulls(button_text, [HUFFWARE_ITEM_SEPARATOR], []),
+ av_name, av_key);
+}
+
+// shows a menu by index.
+show_menu(integer index, string av_name, string av_key)
+{
+ replace_vars_and_display_menu(index, av_name, av_key);
+//log_it("sent the menu request... memory left=" + (string)llGetFreeMemory());
+}
+
+// handles the response message when the user chooses a button.
+react_to_menu(string menu_name, string av_name, string av_key, string which_choice)
+{
+//log_it("you clicked " + which_choice + " item for av " + av_name);
+ handle_chosen_menu_item(menu_name, av_name, av_key, which_choice);
+}
+
+// the gift giving menu. we show the menu after looking through the
+// inventory. if the owner picks an item, we'll deal with that response.
+show_gift_menu(string av_name, string av_key)
+{
+ string menu_name = "gift";
+ string menu_title = "Pick a gift for " + av_name + "...";
+ list menu_button_list = [];
+ integer indy;
+ for (indy = 0; indy < llGetInventoryNumber(INVENTORY_OBJECT); indy++) {
+ menu_button_list += llGetInventoryName(INVENTORY_OBJECT, indy);
+ }
+ for (indy = 0; indy < llGetInventoryNumber(INVENTORY_TEXTURE); indy++) {
+ string item_name = llGetInventoryName(INVENTORY_TEXTURE, indy);
+ if (!is_prefix(item_name, "ean hud keys"))
+ menu_button_list += item_name;
+ }
+ for (indy = 0; indy < llGetInventoryNumber(INVENTORY_LANDMARK); indy++) {
+ menu_button_list += llGetInventoryName(INVENTORY_LANDMARK, indy);
+ }
+ for (indy = 0; indy < llGetInventoryNumber(INVENTORY_NOTECARD); indy++) {
+ string item_name = llGetInventoryName(INVENTORY_NOTECARD, indy);
+ if ( (find_substring(item_name, "help") < 0)
+ && (find_substring(item_name, "Help") < 0)
+ && (find_substring(item_name, "config") < 0) )
+ menu_button_list += item_name;
+ }
+ for (indy = 0; indy < llGetInventoryNumber(INVENTORY_CLOTHING); indy++) {
+ menu_button_list += llGetInventoryName(INVENTORY_CLOTHING, indy);
+ }
+ for (indy = 0; indy < llGetInventoryNumber(INVENTORY_GESTURE); indy++) {
+ menu_button_list += llGetInventoryName(INVENTORY_GESTURE, indy);
+ }
+
+ if (llGetListLength(menu_button_list) == 0) {
+ llOwnerSay("There are no objects loaded in the hud currently. I can make no gifts.");
+ }
+ simply_display_menu(GIFTING_MENU_NAME, menu_title, menu_button_list,
+ av_name, av_key);
+}
+
+// handles a request for this library itself.
+process_hud_menu_mgr_request(integer sender, integer num, string msg, key id)
+{
+ list parms = llParseStringKeepNulls(id, [HUFFWARE_PARM_SEPARATOR], []);
+ if (msg == MENU_LIST_MGR_RESET) {
+ llResetScript();
+ } else if (msg == MENU_LIST_MGR_ADD_MENU) {
+ if (llGetListLength(parms) < 3) {
+ log_it("too few parms to add menu.");
+ return;
+ }
+//hmmm: sloppy list processing!
+ menu_names += [ llList2String(parms, 0) ];
+ menu_titles += [ llList2String(parms, 1) ];
+ menu_button_lists += [ llList2String(parms, 2) ];
+ } else if (msg == MENU_LIST_MGR_GIVE_ITEM) {
+ // give over a gift.
+ string av_name = llList2String(parms, 0);
+ string av_key = llList2String(parms, 1);
+ show_gift_menu(av_name, av_key);
+ } else if (msg == MENU_LIST_MGR_SHOW_MENU) {
+ if (llGetListLength(parms) < 3) {
+ log_it("too few parms to show menu.");
+ return;
+ }
+//log_it("key comes as " + llList2String(parms, 2));
+ show_menu((integer)llList2String(parms, 0), llList2String(parms, 1),
+ (key)llList2String(parms, 2));
+//log_it("show menu... memory left=" + (string)llGetFreeMemory());
+ } else if (msg == MENU_LIST_MGR_MODIFY_MENU) {
+ if (llGetListLength(parms) < 4) {
+ log_it("too few parms to replace menu.");
+ return;
+ }
+ integer indo = (integer)llList2String(parms, 0);
+//log_it("modif menu request, indo is " + (string)indo);
+ if (indo >= llGetListLength(menu_names)) {
+//log_it("index too large in replace menu");
+ return;
+ }
+//log_it("replacing entry " + (string)indo + " with " + llList2String(parms, 1) + ", " + llList2String(parms, 2) + ", " + llList2String(parms, 3));
+ if (llList2String(parms, 1) != MENU_LIST_KEEP_WORD)
+ menu_names = replace_entry(menu_names, indo, [ llList2String(parms, 1) ]);
+ if (llList2String(parms, 2) != MENU_LIST_KEEP_WORD)
+ menu_titles = replace_entry(menu_titles, indo, [ llList2String(parms, 2) ]);
+ if (llList2String(parms, 3) != MENU_LIST_KEEP_WORD)
+ menu_button_lists = replace_entry(menu_button_lists, indo, [ llList2String(parms, 3) ]);
+//log_it("new menu button:" + llList2String(parms, 3));
+ }
+}
+
+// processes a message from a link. some of this must be handled
+// by the driver script that handles our configuration.
+handle_link_message(integer sender, integer num, string msg, key id)
+{
+ if (num == MENU_LIST_MANAGER_HUFFWARE_ID) {
+ process_hud_menu_mgr_request(sender, num, msg, id);
+ }
+
+ if ( (num != MENUTINI_HUFFWARE_ID + REPLY_DISTANCE)
+ || (msg != SHOW_MENU_COMMAND) ) return; // not for us.
+
+//log_it("menu reply: sndr=" + (string)sender + " num=" + (string)num + " msg=" + msg + " id=" + (string)id);
+ list parms = llParseStringKeepNulls(id, [HUFFWARE_PARM_SEPARATOR], []);
+ string menu_name = llList2String(parms, 0);
+ string which_choice = llList2String(parms, 1);
+///not used: key av_key = llList2String(parms, 2);
+//hmmm: should the menutini also offer av name and key options???
+ react_to_menu(menu_name, _private_global_av_name,
+ _private_global_av_key, which_choice);
+}
+
+//////////////
+
+// gives a present to the avatar named here.
+give_gift(string av_name, string av_key, string present)
+{
+//log_it("trying to give a gift of " + present + " to " + av_name);
+ if (av_name != "ALL") {
+ llGiveInventory(av_key, present);
+ llOwnerSay("gave " + present + " to " + av_name);
+ } else {
+ // send the request back to the sensor plugin for processing.
+ llMessageLinked(LINK_ROOT, SENSOR_PLUGIN_HUFFWARE_ID,
+ GIVE_ALL_AVATARS, wrap_parameters([present]));
+ }
+}
+
+handle_chosen_menu_item(string menu_name, string av_name,
+ string av_key, string which_choice)
+{
+ if (menu_name == GIFTING_MENU_NAME) {
+ give_gift(av_name, av_key, which_choice);
+ }
+
+ // send the alert to the driver.
+ llMessageLinked(LINK_ROOT, MENU_LIST_MANAGER_HUFFWARE_ID + REPLY_DISTANCE,
+ MENU_LIST_MGR_CHOICE_MADE_ALERT,
+ wrap_parameters([which_choice, menu_name, av_name, av_key]));
+}
+
+//////////////
+// from hufflets...
+//
+integer debug_num = 0;
+
+// a debugging output method. can be disabled entirely in one place.
+log_it(string to_say)
+{
+ debug_num++;
+ // tell this to the owner.
+ llOwnerSay(llGetScriptName() + "[" + (string)debug_num + "] " + to_say);
+ // say this on open chat, but use an unusual channel.
+// llSay(108, llGetScriptName() + "[" + (string)debug_num + "] " + to_say);
+}
+
+integer find_substring(string full_string, string pattern)
+{
+ string full_lower = llToLower(full_string);
+ return llSubStringIndex(full_lower, pattern);
+}
+
+//////////////
+
+// returns the position of the last space in "look_within" or a negative number.
+integer find_last_space(string look_within)
+{
+ integer indy = llStringLength(look_within) - 1;
+ while ( (indy >= 0) && (llGetSubString(look_within, indy, indy) != " ") ) indy--;
+ return indy;
+}
+
+// returns the first name for an avatar with the "full_name".
+string first_name(string full_name)
+{
+ integer finding = find_last_space(full_name);
+ if (finding >= 0) return llGetSubString(full_name, 0, finding - 1);
+ return full_name; // failed to find space.
+}
+
+// returns the last name for an avatar with the "full_name".
+string last_name(string full_name)
+{
+ integer finding = find_last_space(full_name);
+ if (finding >= 0) return llGetSubString(full_name, finding + 1, -1);
+ return full_name; // failed to find space.
+}
+
+// substitutes a variable's name for its value. note that variables are assumed to start
+// with a dollar sign character, which should not be provided in the "variable_name" parameter.
+string substitute_variable(string substitute_within, string variable_name, string variable_value)
+{
+ string to_return = substitute_within;
+ integer posn;
+ while ( (posn = find_substring(to_return, "$" + variable_name)) >= 0) {
+ // we found an occurrence of the variable.
+ to_return = llDeleteSubString(to_return, posn, -1) // keep part before.
+ + variable_value // add the value in place of the variable name.
+ + llDeleteSubString(to_return, 0, posn + llStringLength(variable_name));
+ // keep part after.
+ }
+ return to_return;
+}
+
+// in "substitute_within", this finds any occurrences of items in the "variables_names"
+// and replaces those with the corresponding item from "variable_values".
+string substitute_variable_list(string substitute_within, list variable_names, list variable_values)
+{
+ string to_return = substitute_within;
+ integer vars = llGetListLength(variable_names);
+ if (vars != llGetListLength(variable_values)) {
+// log_it("error in substitute_variable_list: inequal number of variable names vs. values.");
+ return to_return;
+ }
+ integer indy;
+ for (indy = 0; indy < vars; indy++) {
+ to_return = substitute_variable(to_return,
+ llList2String(variable_names, indy),
+ llList2String(variable_values, indy));
+ }
+ return to_return;
+}
+
+// locates the string "text" in the list to "search_in".
+integer find_in_list(list search_in, string text)
+{
+ integer len = llGetListLength(search_in);
+ integer i;
+ for (i = 0; i < len; i++) {
+ if (llList2String(search_in, i) == text)
+ return i;
+ }
+ return -1;
+}
+
+// removes the entry at "index" and instead inserts the list "to_insert"
+// at that position.
+list replace_entry(list to_modify, integer index, list to_insert)
+{
+ if (llGetListLength(to_modify) == 0) return to_insert; // special case for empty.
+ return llListReplaceList(to_modify, to_insert, index, index);
+}
+
+// returns TRUE if the "prefix" string is the first part of "compare_with".
+integer is_prefix(string compare_with, string prefix)
+{ return (llSubStringIndex(compare_with, prefix) == 0); }
+//
+// end hufflets
+//////////////
+
+//////////////
+// huffware script: auto-retire, by fred huffhines, version 2.5.
+// distributed under BSD-like license.
+// !! keep in mind that this code must be *copied* into another
+// !! script that you wish to add auto-retirement capability to.
+// when a script has auto_retire in it, it can be dropped into an
+// object and the most recent version of the script will destroy
+// all older versions.
+//
+// the version numbers are embedded into the script names themselves.
+// the notation for versions uses a letter 'v', followed by two numbers
+// in the form "major.minor".
+// major and minor versions are implicitly considered as a floating point
+// number that increases with each newer version of the script. thus,
+// "hazmap v0.1" might be the first script in the "hazmap" script continuum,
+// and "hazmap v3.2" is a more recent version.
+//
+// example usage of the auto-retirement script:
+// default {
+// state_entry() {
+// auto_retire(); // make sure newest addition is only version of script.
+// }
+// }
+// this script is partly based on the self-upgrading scripts from markov brodsky
+// and jippen faddoul.
+//////////////
+auto_retire() {
+ string self = llGetScriptName(); // the name of this script.
+ list split = compute_basename_and_version(self);
+ if (llGetListLength(split) != 2) return; // nothing to do for this script.
+ string basename = llList2String(split, 0); // script name with no version attached.
+ string version_string = llList2String(split, 1); // the version found.
+ integer posn;
+ // find any scripts that match the basename. they are variants of this script.
+ for (posn = llGetInventoryNumber(INVENTORY_SCRIPT) - 1; posn >= 0; posn--) {
+//log_it("invpo=" + (string)posn);
+ string curr_script = llGetInventoryName(INVENTORY_SCRIPT, posn);
+ if ( (curr_script != self) && (llSubStringIndex(curr_script, basename) == 0) ) {
+ // found a basic match at least.
+ list inv_split = compute_basename_and_version(curr_script);
+ if (llGetListLength(inv_split) == 2) {
+ // see if this script is more ancient.
+ string inv_version_string = llList2String(inv_split, 1); // the version found.
+ // must make sure that the retiring script is completely the identical basename;
+ // just matching in the front doesn't make it a relative.
+ if ( (llList2String(inv_split, 0) == basename)
+ && ((float)inv_version_string < (float)version_string) ) {
+ // remove script with same name from inventory that has inferior version.
+ llRemoveInventory(curr_script);
+ }
+ }
+ }
+ }
+}
+//
+// separates the base script name and version number. used by auto_retire.
+list compute_basename_and_version(string to_chop_up)
+{
+ // minimum script name is 2 characters plus a version.
+ integer space_v_posn;
+ // find the last useful space and 'v' combo.
+ for (space_v_posn = llStringLength(to_chop_up) - 3;
+ (space_v_posn >= 2) && (llGetSubString(to_chop_up, space_v_posn, space_v_posn + 1) != " v");
+ space_v_posn--) {
+ // look for space and v but do nothing else.
+//log_it("pos=" + (string)space_v_posn);
+ }
+ if (space_v_posn < 2) return []; // no space found.
+//log_it("space v@" + (string)space_v_posn);
+ // now we zoom through the stuff after our beloved v character and find any evil
+ // space characters, which are most likely from SL having found a duplicate item
+ // name and not so helpfully renamed it for us.
+ integer indy;
+ for (indy = llStringLength(to_chop_up) - 1; indy > space_v_posn; indy--) {
+//log_it("indy=" + (string)space_v_posn);
+ if (llGetSubString(to_chop_up, indy, indy) == " ") {
+ // found one; zap it. since we're going backwards we don't need to
+ // adjust the loop at all.
+ to_chop_up = llDeleteSubString(to_chop_up, indy, indy);
+//log_it("saw case of previously redundant item, aieee. flattened: " + to_chop_up);
+ }
+ }
+ string full_suffix = llGetSubString(to_chop_up, space_v_posn, -1);
+ // ditch the space character for our numerical check.
+ string chop_suffix = llGetSubString(full_suffix, 1, llStringLength(full_suffix) - 1);
+ // strip out a 'v' if there is one.
+ if (llGetSubString(chop_suffix, 0, 0) == "v")
+ chop_suffix = llGetSubString(chop_suffix, 1, llStringLength(chop_suffix) - 1);
+ // if valid floating point number and greater than zero, that works for our version.
+ string basename = to_chop_up; // script name with no version attached.
+ if ((float)chop_suffix > 0.0) {
+ // this is a big success right here.
+ basename = llGetSubString(to_chop_up, 0, -llStringLength(full_suffix) - 1);
+ return [ basename, chop_suffix ];
+ }
+ // seems like we found nothing useful.
+ return [];
+}
+//
+//////////////
+
+default
+{
+ state_entry() { if (llSubStringIndex(llGetObjectName(), "huffotronic") < 0) state real_default; }
+ on_rez(integer parm) { state rerun; }
+}
+state rerun { state_entry() { state default; } }
+
+state real_default
+{
+ state_entry()
+ {
+ auto_retire(); // make sure newest addition is only version of script.
+ // reset all our variables.
+ menu_names = [];
+ menu_titles = [];
+ menu_button_lists = [];
+ _private_global_av_name = "";
+ _private_global_av_key = NULL_KEY;
+ }
+
+ link_message(integer sender, integer num, string msg, key id)
+ { handle_link_message(sender, num, msg, id); }
+}
+