X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=huffware%2Fhuffotronic_scripts%2Fradio_tuner_v1.2.txt;fp=huffware%2Fhuffotronic_scripts%2Fradio_tuner_v1.2.txt;h=406a998c06f372ea14c2df1bc0ab735634cba05a;hb=2ad923922ef5c1e212dd45aa5074f08d54ea9371;hp=0000000000000000000000000000000000000000;hpb=1809c04b7499a188d1c2a7df3ec588bc8591a2e3;p=feisty_meow.git diff --git a/huffware/huffotronic_scripts/radio_tuner_v1.2.txt b/huffware/huffotronic_scripts/radio_tuner_v1.2.txt new file mode 100755 index 00000000..406a998c --- /dev/null +++ b/huffware/huffotronic_scripts/radio_tuner_v1.2.txt @@ -0,0 +1,174 @@ + +// huffware script: radio tuner, by fred huffhines +// +// a radio tuner with capability for overriding the channel. +// this is useful if you want it to stay tuned on a particular channel. +// +// 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. +// + +integer force_channel = 0; // set to non-zero to force the channel to stay set. +integer channel_stays_on = 69; // the channel that the radio will stay stuck on when forced. + +integer listen_handle = 0; +integer channel = 0; + +//hmmm: really broken implementation. +// need to support multiple channels. +set_radio_channel(integer chan) +{ + channel = chan; + + if (listen_handle) + llListenRemove(listen_handle); + + if (!chan) + { + listen_handle = 0; + llOwnerSay("Radio turned off."); + return; + } + + listen_handle = llListen(chan, "", NULL_KEY, ""); + llOwnerSay("Listening to channel " + (string)chan); +} + +////////////// +// 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(); +//hmmm: logic broken here. subscribe to a default set. let them add and remove from set. + if (!force_channel) { +//hmmm: terrible defaults treatment. + llListen(96, "", llGetOwner(), ""); + llOwnerSay("Type \"/96 tune N\" to tune in to channel N, or \"/96 tune 0\" to turn radio off."); + } else { + llOwnerSay("Channel locked on " + (string)channel_stays_on + "."); + set_radio_channel(channel_stays_on); + } + } + + attach(key attached) + { + if (attached != NULL_KEY) + llResetScript(); + } + + listen(integer ch, string name, key id, string msg) + { + if (!force_channel && ((ch == 96) && llGetSubString(msg, 0, 4) == "tune ") ) + set_radio_channel((integer)llGetSubString(msg, 5, -1)); + else if (ch == channel) + llOwnerSay("[" + (string)ch + " " + name + "]: " + msg); + } +}