X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=huffware%2Fhuffotronic_updater_freebie_v5.3%2Fparticle_projector_v3.1.lsl;fp=huffware%2Fhuffotronic_updater_freebie_v5.3%2Fparticle_projector_v3.1.lsl;h=f3201ee186776fa7db7ea775afd3308fe277ac90;hb=f2be7577716da4384c07946069b3b353ca15403a;hp=0000000000000000000000000000000000000000;hpb=620a99face4f2cefadeed9ce69b4fd4f8d6e2b56;p=feisty_meow.git diff --git a/huffware/huffotronic_updater_freebie_v5.3/particle_projector_v3.1.lsl b/huffware/huffotronic_updater_freebie_v5.3/particle_projector_v3.1.lsl new file mode 100755 index 00000000..f3201ee1 --- /dev/null +++ b/huffware/huffotronic_updater_freebie_v5.3/particle_projector_v3.1.lsl @@ -0,0 +1,210 @@ + +// huffware script: particle projector, by fred huffhines. +// +// takes a texture from one side of the object and projects it in a forward X and upward Z direction. +// +// 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. +// + +// constants that can be modified for different behavior. + +float TEXTURE_DISPLAY_LIFE_SPAN = 14.0; // how long the texture should be shown. + +integer SIDE_TO_ACQUIRE_TEXTURE_FROM = 1; // which side of the object should give us our display texture? + +float MAGNIFIER = 4.0; // how much to expand the texture as it runs. + +vector TEXTURE_ACCELERATION = <0.02, 0.0, 0.01>; // change in speed of the texture over time. + +// global variables used in the script. + +string texture_to_display = "95c7bb7c-d777-26b1-4052-acd778bfcb40"; // a simple default texture. + +// displays a particle system with a texture that gradually enlarges over the object. +texture_hallucination() +{ + // get a bounding box around the object. + list bounds = llGetBoundingBox(llGetKey()); + // calculate the size of the object, which will be our starting particle size. + vector size = (vector)llList2String(bounds, 1) - (vector)llList2String(bounds, 0); + float chosen_dimension = size.x; + if (size.y > chosen_dimension) chosen_dimension = size.y; + if (size.z > chosen_dimension) chosen_dimension = size.z; + llParticleSystem([ + // properties regarding the generated particles. + PSYS_PART_FLAGS, PSYS_PART_BOUNCE_MASK | PSYS_PART_INTERP_SCALE_MASK, + PSYS_PART_START_SCALE, , + PSYS_PART_END_SCALE, , + PSYS_PART_MAX_AGE, TEXTURE_DISPLAY_LIFE_SPAN, + PSYS_PART_START_COLOR, <1.0, 1.0, 1.0>, + PSYS_PART_END_COLOR, <1.0, 1.0, 1.0>, + PSYS_PART_START_ALPHA, 1.0, + PSYS_PART_END_ALPHA, 1.0, + // properties for the particle system's source. + PSYS_SRC_MAX_AGE, TEXTURE_DISPLAY_LIFE_SPAN, + PSYS_SRC_TEXTURE, texture_to_display, + PSYS_SRC_ACCEL, TEXTURE_ACCELERATION, + PSYS_SRC_PATTERN, PSYS_SRC_PATTERN_DROP, + PSYS_SRC_BURST_PART_COUNT, 1, + PSYS_SRC_BURST_RADIUS, chosen_dimension, + PSYS_SRC_BURST_RATE, TEXTURE_DISPLAY_LIFE_SPAN, + PSYS_SRC_BURST_SPEED_MIN, 0.01, + PSYS_SRC_BURST_SPEED_MAX, 0.01, + PSYS_SRC_ANGLE_BEGIN, 0.0, + PSYS_SRC_ANGLE_END, 0.0, + PSYS_SRC_OMEGA, <0.0, 0.0, 0.0> + ]); +} + +// 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; +} + +////////////// +// 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(); + } + + touch_start(integer touch_count) { + integer count = llGetInventoryNumber(INVENTORY_TEXTURE); + if (count > 0) { + // try getting a texture out of inventory. + integer which_texture = llRound(randomize_within_range(0, count - 1, FALSE)); + texture_to_display = llGetInventoryName(INVENTORY_TEXTURE, which_texture); +//if (texture_to_display == "") llOwnerSay("fail! got bad index from random."); + } else { + // if none in inventory, load the texture to show from our side. + texture_to_display = llGetTexture(SIDE_TO_ACQUIRE_TEXTURE_FROM); + } +//llOwnerSay("texture is now: " + texture_to_display); + texture_hallucination(); + llSetTimerEvent(TEXTURE_DISPLAY_LIFE_SPAN + 0.1); + } + + timer() { + llParticleSystem([]); // zap it back out again. + llSetTimerEvent(0); // turn off timer. + } +}