X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=huffware%2Fhuffotronic_tools_n_testers_v6.1%2Fbouncer_v2.0.txt;fp=huffware%2Fhuffotronic_tools_n_testers_v6.1%2Fbouncer_v2.0.txt;h=e91d410e27b6d5006d4d0ca1911a8a021a7876e3;hb=cb9011b7dd78ac93d48a871a9fdda062c9181138;hp=0000000000000000000000000000000000000000;hpb=ad0ce3f89fcb4e06393aa84e342c2745aef72da8;p=feisty_meow.git diff --git a/huffware/huffotronic_tools_n_testers_v6.1/bouncer_v2.0.txt b/huffware/huffotronic_tools_n_testers_v6.1/bouncer_v2.0.txt new file mode 100755 index 00000000..e91d410e --- /dev/null +++ b/huffware/huffotronic_tools_n_testers_v6.1/bouncer_v2.0.txt @@ -0,0 +1,206 @@ + +// huffware script: bouncer, by fred huffhines. +// +// this script repels an object or avatar that slams into it. +// +// 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 PUSH_UPWARDS = TRUE; + // if this is true, the velocity is reflected upwards. this is sort of + // a trampoline effect. +integer PUSH_DIRECTLY_BACK = TRUE; + // if this is true, then the object's velocity is reflected directly back. + // this is not a realistic bounce since it is like every bounce hits the + // object at a tangent rather than having the angle be rotated as a + // reflection. + +integer AVATARS_ONLY = FALSE; + // if true, then the bouncer will only react to people and not things. + +float PUSH_MULTIPLIER = 32.0; + // increase the object's velocity by this factor, as part of how we + // help it along when it collides with us. + +integer LOCAL_AXIS = FALSE; + // use the axis relative to the object's rotation? + +// originally came from reverse_velocity from concussive script. +push_back(key act_upon, integer local_axis) +{ + list details = llGetObjectDetails(act_upon, [ OBJECT_VELOCITY ]); + vector current_velocity = llList2Vector(details, 0); + + if (local_axis) { + rotation rot = llGetRot(); + current_velocity /= rot; // undo the rotation. + } + // here's where we return the velocity exactly backwards along + // its own axis. this is not really very true to physics. + vector new_velocity = -PUSH_MULTIPLIER * current_velocity; + new_velocity *= llGetMass(); + llPushObject(act_upon, new_velocity, ZERO_VECTOR, local_axis); +} + +// causes the object to be thrown up into the air and magnifies their +// velocity. +push_up(key act_upon, integer local_axis) +{ + list details = llGetObjectDetails(act_upon, [ OBJECT_VELOCITY ]); + vector current_velocity = llList2Vector(details, 0); + if (local_axis) { + rotation rot = llGetRot(); + current_velocity /= rot; // undo the rotation. + } + // another example that's like the trampoline... +// vector new_velocity = PUSH_MULTIPLIER * llRot2Up(llGetRot()); + vector new_velocity = current_velocity; + new_velocity.z = -PUSH_MULTIPLIER * new_velocity.z; + new_velocity *= llGetMass(); + llPushObject(act_upon, new_velocity, ZERO_VECTOR, local_axis); +} + +// a newer method that can be used to 'continue' the velocity away from +// the bouncer but more upwards from an elastic collision than back at the av. +/////not implemented yet. +// needs good physics normal vector implementation. + +// called by the collision event handler when we detect something +// bumping into us. +handle_collisions(integer count) +{ + integer i; + for (i = 0; i < count; i++) { + if ( (AVATARS_ONLY && (llDetectedType(i) & AGENT) ) + || !AVATARS_ONLY) { + if (PUSH_UPWARDS) + push_up(llDetectedKey(i), LOCAL_AXIS); + if (PUSH_DIRECTLY_BACK) + push_back(llDetectedKey(i), LOCAL_AXIS); + } + } +} + +////////////// +// 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--) { +//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 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(); } + + collision(integer count) { handle_collisions(count); } +} +