+++ /dev/null
-
-// huffware script: texture shower, by fred huffhines.
-//
-// displays a texture from its inventory when the name is spoken in chat.
-//
-// 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.
-//
-
-
-// global constants...
-
-string SHOWER_SIGNATURE = "#texture_shower";
- // the notecard must begin with this as its first line for it to be
- // recognized as our configuration card.
-
-// global variables...
-
-string global_notecard_name; // name of our notecard in the object's inventory.
-integer response_code; // set to uniquely identify the notecard read in progress.
-list global_config_list; // a collection of configuration parameters from our notecard.
-integer global_config_index; // allows wrap-around feature, which we don't use here.
-
-list texture_names; // the set of textures we've got in inventory.
-
-integer LISTENING_CHANNEL = 1008;
- // the default listening channel is hardly ever used; the channel should
- // come from the notecard.
-
-//////////////
-
-// processes the variables that come from the notecard.
-parse_variable_definition(string to_parse)
-{
- string content; // filled after finding a variable name.
- if ( (content = get_variable_value(to_parse, "channel")) != "") {
-// log_it("channel=" + content);
- LISTENING_CHANNEL = (integer)content;
- }
-}
-
-//////////////
-
-// sets the viewing sides' textures to a particular inventory item.
-set_texture_to_item(string inv_tex)
-{
- llSetTexture(inv_tex, 1);
- llSetTexture(inv_tex, 3);
-}
-
-// sets our viewing sides back to the default texture.
-reset_textures()
-{
- string tex_cur = llGetTexture(0);
- set_texture_to_item(tex_cur);
-}
-
-// startup for the very early part of the object's lifetime.
-initialize_phase_1()
-{
- // reset our relevant variables.
- global_notecard_name = "";
- global_config_list = [];
- global_config_index = 0;
- texture_names = [];
-
- // request that the noteworthy library start looking for our notecard.
- request_configuration();
-
-// log_it("started, free mem=" + (string)llGetFreeMemory());
-}
-
-// this gets us ready to enter our active state.
-initialize_phase_2()
-{
- // listen for commands on the channel we're configured for.
- llListen(LISTENING_CHANNEL, "", NULL_KEY, "");
- // load all the texture names we know about.
- integer texture_count = llGetInventoryNumber(INVENTORY_TEXTURE);
- integer indy;
- for (indy = 0; indy < texture_count; indy++)
- texture_names += llGetInventoryName(INVENTORY_TEXTURE, indy);
-}
-
-manage_those_voices(integer channel, string message)
-{
- if (channel != LISTENING_CHANNEL) return; // not for us.
- if (message == "reset-texture") {
- reset_textures();
- return;
- }
- // wasn't a command to reset, so let's see if we know it.
- integer texture_count = llGetListLength(texture_names);
- integer indy;
- for (indy = 0; indy < texture_count; indy++) {
- integer posn = llListFindList(texture_names, (message));
- if (posn >= 0) {
- // found one...
- set_texture_to_item(message);
- return;
- }
- }
-}
-
-//////////////
-
-// this chunk largely comes from the example noteworthy usage...
-
-// requires noteworthy library v8.4 or better.
-//////////////
-// do not redefine these constants.
-integer NOTEWORTHY_HUFFWARE_ID = 10010;
- // the unique id within the huffware system for the noteworthy script to
- // accept commands on. this is used in llMessageLinked as the num parameter.
-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.
-// commands available via the noteworthy library:
-string READ_NOTECARD_COMMAND = "#read_note#";
- // command used to tell the script to read notecards. needs a signature to find
- // in the card as the first parameter, and a randomly generated response code for
- // the second parameter. the response code is used to uniquely identify a set of
- // pending notecard readings (hopefully). the signature can be empty or missing.
- // the results will be fired back as the string value returned, which will have
- // as first element the notecard's name (or "bad_notecard" if none was found) and
- // as subsequent elements an embedded list that was read from the notecard. this
- // necessarily limits the size of the notecards that we can read and return.
-//
-//////////////
-// 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); }
-//////////////
-
-// this function fires off a request to the noteworthy library via a link message.
-// noteworthy will look for a notecard with our particular signature in it and
-// if it finds one, it will read the configuration therein. an empty string is
-// returned if noteworthy couldn't find anything.
-request_configuration()
-{
- global_notecard_name = ""; // reset any previous card.
- // try to find a notecard with our configuration.
- response_code = -1 * (integer)randomize_within_range(23, 80000, FALSE);
- string parms_sent = wrap_parameters([SHOWER_SIGNATURE, response_code]);
- llMessageLinked(LINK_THIS, NOTEWORTHY_HUFFWARE_ID, READ_NOTECARD_COMMAND,
- parms_sent);
-}
-
-// processes link messages received from the noteworthy library and others.
-// if the message indicates we should change states, then TRUE is returned.
-integer handle_link_message(integer which, integer num, string msg, key id)
-{
- if (num != NOTEWORTHY_HUFFWARE_ID + REPLY_DISTANCE)
- return FALSE; // not for us.
- // process the result of reading the notecard.
- list parms = llParseString2List(id, [HUFFWARE_PARM_SEPARATOR], []);
- string notecard_name = llList2String(parms, 0);
- integer response_for = llList2Integer(parms, 1);
- if (response_for != response_code) return FALSE; // oops, this isn't for us.
- if (notecard_name != "bad_notecard") {
- // a valid notecard has been found.
- global_notecard_name = notecard_name; // record its name for later use.
- global_config_index = 0; // we are starting over in the config list.
- // snag all but the first two elements for our config now.
- global_config_list = llList2List(parms, 2, -1);
- // and process the file as a set of definitions.
- process_ini_config();
- return TRUE;
- } else {
- // we hated the notecards we found, or there were none.
- log_it("We apologize; there seem to be no notecards with a first line of '"
- + SHOWER_SIGNATURE
- + "'. We can't read any configuration until that situation improves.");
- }
- return FALSE;
-}
-
-//////////////
-// 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 [];
-}
-//
-//////////////
-
-//////////////
-// 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 an unusual channel for chat if it's not intended for general public.
-// llSay(108, llGetScriptName() + "[" + (string)debug_num + "] " + to_say);
- // say this on open chat that anyone can hear. we take off the bling for this one.
-// llSay(0, to_say);
-}
-
-// 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;
-}
-
-// 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); }
-
-// returns a number at most "maximum" and at least "minimum".
-// if "allow_negative" is TRUE, then the return may be positive or negative.
-float randomize_within_range(float minimum, float maximum, integer allow_negative)
-{
- if (minimum > maximum) {
- // flip the two if they are reversed.
- float temp = minimum; minimum = maximum; maximum = temp;
- }
- float to_return = minimum + llFrand(maximum - minimum);
- if (allow_negative) {
- if (llFrand(1.0) < 0.5) to_return *= -1.0;
- }
- return to_return;
-}
-
-// strips the spaces off of the beginning and end of a string.
-string strip_spaces(string to_strip)
-{
- // clean out initial spaces.
- while (llGetSubString(to_strip, 0, 0) == " ")
- to_strip = llDeleteSubString(to_strip, 0, 0);
- // clean out ending spaces.
- while (llGetSubString(to_strip, -1, -1) == " ")
- to_strip = llDeleteSubString(to_strip, -1, -1);
- return to_strip;
-}
-
-// parses a variable definition to find the name of the variable and its value.
-// this returns two strings [X, Y], if "to_split" is in the form X=Y.
-list separate_variable_definition(string to_split)
-{
- integer equals_indy = llSubStringIndex(to_split, "=");
- // we don't support missing an equals sign, and we don't support it as the first character.
- if (equals_indy <= 0) return []; // no match.
- string x = llGetSubString(to_split, 0, equals_indy - 1);
- string y = llGetSubString(to_split, equals_indy + 1, -1);
- to_split = ""; // save space.
- return [ strip_spaces(x), strip_spaces(y) ];
-}
-
-// returns a non-empty string if "to_check" defines a value for "variable_name".
-// this must be in the form "X=Y", where X is the variable_name and Y is the value.
-string get_variable_value(string to_check, string variable_name)
-{
- list x_y = separate_variable_definition(to_check);
- if (llGetListLength(x_y) != 2) return ""; // failure to parse a variable def at all.
- if (!is_prefix(llList2String(x_y, 0), variable_name)) return ""; // no match.
- return llList2String(x_y, 1); // a match!
-}
-
-// examines all entries that we got from the notecard to see if any contain definitions.
-// this is basically an INI file reader, but it uses a list instead of a file.
-// ini files provide a format with multiple sections of config information, like so:
-// [section_1]
-// name1=value1
-// name2=value2 ...etc...
-// [section_2]
-// name1=value1 ...etc...
-process_ini_config()
-{
-// log_it("scanning notecard for variable definitions...");
- integer indy;
- integer count = llGetListLength(global_config_list);
-
- // iterate across the items in our configuration to look for ones that are not done yet.
- for (indy = global_config_index; indy < count; indy++) {
- string line = llList2String(global_config_list, indy);
- // search for a section beginning.
- if (llGetSubString(line, 0, 0) == "[") {
- // we found the start of a section name. now read the contents.
- indy++; // skip section line.
- log_it("reading section: " + llGetSubString(line, 1, -2));
- }
- integer sec_indy;
- for (sec_indy = indy; sec_indy < count; sec_indy++) {
- // read the lines in the section.
- line = llList2String(global_config_list, sec_indy);
- if (llGetSubString(line, 0, 0) != "[") {
- // try to interpret this line as a variable setting. this is just
- // one example of a way to handle the config file; one might instead
- // want to do something below once a whole section is read.
- parse_variable_definition(line);
- } else {
- // we're at the beginning of a new section now, so start processing its
- // configuration in the outer loop.
- indy = sec_indy - 1; // set indy to proper beginning of section.
- global_config_index = indy; // remember where we had read to.
- sec_indy = count + 3; // skip remainder of inner loop.
- }
- }
- }
-
- global_config_index = 0; // reset outer position if want to re-read.
-}
-
-// locates the item with "name_to_find" in the inventory items with the "type".
-// a value from 0 to N-1 is returned if it's found, where N is the number of
-// items in the inventory.
-integer find_in_inventory(string name_to_find, integer inv_type)
-{
- integer num_inv = llGetInventoryNumber(inv_type);
- if (num_inv == 0) return -1; // nothing there!
- integer inv;
- for (inv = 0; inv < num_inv; inv++) {
- if (llGetInventoryName(inv_type, inv) == name_to_find)
- return inv;
- }
- return -2; // failed to find it.
-}
-// end hufflets
-//////////////
-
-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.
- initialize_phase_1();
- }
-
- on_rez(integer param) { state rerun; }
-
- // reset when we see changes to our notecard configuration.
- changed(integer change) {
- if (change & CHANGED_INVENTORY) {
- llSleep(3.14159265358); // delay to avoid interfering with upgrade.
- state rerun;
- }
- }
-
- // process the response from the noteworthy library.
- link_message(integer which, integer num, string msg, key id) {
- integer retval = handle_link_message(which, num, msg, id);
- if (retval) state configured; // skip states if we were asked to.
- }
-}
-
-state configured
-{
- state_entry() {
- initialize_phase_2();
- }
-
- listen(integer channel, string name, key id, string message) {
- manage_those_voices(channel, message);
- }
-
- link_message(integer which, integer num, string msg, key id) {
- manage_those_voices(num, msg);
- }
-
- // reset when we see changes to our notecard configuration.
- changed(integer change) {
- if (change & CHANGED_INVENTORY) {
- llSleep(3.14159265358); // delay to avoid interfering with upgrade.
- state default;
- }
- }
-}
projects / feisty_meow.git / blobdiff