// huffware script: viewscreen blitter, by fred huffhines. // // listens for web addresses to show and puts them on the screen of this prim. // // 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. // // important switches... integer IS_OPENSIM = TRUE; // selects the major mode of operation for the viewscreen. integer DEBUGGING = TRUE; // if this is set to true, more diagnostic info is printed than normal. // global constants... // API for the viewscreen blitter library... ////////////// integer VIEWSCREEN_BLITTER_HUFFWARE_ID = 10027; // unique ID for the viewscreen services. 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 SHOW_URL_COMMAND = "#shurl"; // requests the viewscreen to show a particular URL as its texture. string RESET_VIEWSCREEN_COMMAND = "#shrz"; // resets the viewscreen script to the default state. string SHOW_TEXTURE_COMMAND = "#shtex"; // displays a texture on the prim. the first parameter is the texture key or name. ////////////// // configurable constants... handle_view_request(string command, string parms) { if (command == SHOW_URL_COMMAND) { // the parms is just the URL to display. if (DEBUGGING) { string to_show = "url is: "; integer i; for (i = 0; i < llStringLength(parms); i += 512) { // show the string a chunk at a time or we will be censored by chat limits. integer end = i + 511; if (i >= llStringLength(parms) - 1) i = llStringLength(parms) - 1; to_show += llGetSubString(parms, i, end); llSay(0, to_show); to_show = ""; } } if (!IS_OPENSIM) { // second life implementation... llParcelMediaCommandList( [ PARCEL_MEDIA_COMMAND_STOP, PARCEL_MEDIA_COMMAND_TYPE, "text/html", PARCEL_MEDIA_COMMAND_URL, parms ] ); // we separate out the looping player call since we can't rely on the new media // setting being ready within the same media call. llParcelMediaCommandList( [ PARCEL_MEDIA_COMMAND_PLAY, PARCEL_MEDIA_COMMAND_LOOP ] ); } else { // opensim implementation... string extra_parms = ""; //bgcolor:white,alpha:false,width:1024,height:768, string url_texture_key = osSetDynamicTextureURL("", "image", parms, extra_parms, 5000); //string url_texture_key =""; //llSay(0, "dyn texture is " + url_texture_key); if (url_texture_key != "") { llSetTexture(url_texture_key, ALL_SIDES); } } } else if (command == RESET_VIEWSCREEN_COMMAND) { llResetScript(); } else if (command == SHOW_TEXTURE_COMMAND) { llSetLinkTexture(LINK_THIS, parms, ALL_SIDES); } } ////////////// // from 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--) { 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. } if (space_v_posn < 2) return []; // no space found. // 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--) { 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); } } 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 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(); llParcelMediaCommandList( [ PARCEL_MEDIA_COMMAND_STOP ] ); } link_message(integer linknum, integer num, string cmd, key parms) { if (num != VIEWSCREEN_BLITTER_HUFFWARE_ID) return; // not for us. handle_view_request(cmd, parms); } }