// huffware script: create object, by fred huffhines. // // this script rezzes new objects from inventory every time the user clicks. // // 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. // // from hufflets: // 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; } // returns a random vector where x,y,z will be between "minimums" and "maximums" // x,y,z components. if "allow_negative" is true, then any component will // randomly be negative or positive. vector random_bound_vector(vector minimums, vector maximums, integer allow_negative) { return ; } // returns a vector whose components are between minimum and maximum. // if allow_negative is true, then they can be either positive or negative. vector random_vector(float minimum, float maximum, integer allow_negative) { return random_bound_vector(, , allow_negative); } ////////////// // 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 []; } // ////////////// // end of 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(); } touch_start(integer total_number) { if (llDetectedKey(0) != llGetOwner()) return; if (llGetInventoryNumber(INVENTORY_OBJECT) < 1) { llSay(0, "This object needs contents to rez; currently it has none."); return; } integer i; for (i = 0; i < llGetInventoryNumber(INVENTORY_OBJECT); i++) { vector addition = random_vector(0.2, 2.0, TRUE); // only allow a new z position that is higher than current value. if (addition.z < 0.0) addition.z *= -1.0; llRezObject(llGetInventoryName(INVENTORY_OBJECT, i), llGetPos() + addition, ZERO_VECTOR, ZERO_ROTATION, 0); } } }