X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=huffware%2Fhuffotronic_updater_freebie_v5.3%2Ftexture_shower_v2.7.lsl;fp=huffware%2Fhuffotronic_updater_freebie_v5.3%2Ftexture_shower_v2.7.lsl;h=629dd5871dcb9ce2018ee7849fbe6ad7e3e719ee;hb=f2be7577716da4384c07946069b3b353ca15403a;hp=0000000000000000000000000000000000000000;hpb=620a99face4f2cefadeed9ce69b4fd4f8d6e2b56;p=feisty_meow.git diff --git a/huffware/huffotronic_updater_freebie_v5.3/texture_shower_v2.7.lsl b/huffware/huffotronic_updater_freebie_v5.3/texture_shower_v2.7.lsl new file mode 100755 index 00000000..629dd587 --- /dev/null +++ b/huffware/huffotronic_updater_freebie_v5.3/texture_shower_v2.7.lsl @@ -0,0 +1,480 @@ + +// 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; + } + } +}