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archiv:opensim:downloads:scripts:simple_radar [2024/01/24 16:39] – Externe Bearbeitung 127.0.0.1archiv:opensim:downloads:scripts:simple_radar [Unbekanntes Datum] (aktuell) – Externe Bearbeitung (Unbekanntes Datum) 127.0.0.1
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 +===== Simple Radar =====
 +
 +<code>
 +//Sable Till - Radar/scannar script.
 +//You can get a copy of the license this script is under at http://www.gnu.org/copyleft/gpl.html
 +//Copyright (C) 2006 Sable Till
 +
 +//This program is free software; you can redistribute it and/or
 +//modify it under the terms of the GNU General Public License
 +//as published by the Free Software Foundation; either version 2
 +//of the License, or (at your option) any later version.
 +
 +//This program is distributed in the hope that it will be useful,
 +//but WITHOUT ANY WARRANTY; without even the implied warranty of
 +//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 +//GNU General Public License for more details.
 +
 +//You should have received a copy of the GNU General Public License
 +//along with this program; if not, write to the Free Software
 +//Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 +
 +string status="none";
 +list people;
 +integer maxScanDistance;
 +vector color = <0,1,1>;
 +integer maxPeople = 8;
 +integer scanType = AGENT;
 +integer scanFreq=1;
 +
 +integer count(string name) {
 +integer i = llListFindList(people, [name]);
 +if(i ==-1){
 +people+=[name, 0];
 +return 0;
 +} else {
 +integer count = llList2Integer(people, i+1);
 +people=llListReplaceList(people, [count+scanFreq], i+1, i+1);
 +return count;
 +}
 +}
 +
 +//calculate time strings with proper units that are sensibly rounded
 +string time(integer cnt) {
 +if(cnt>3600) {
 +return (string)(cnt/3600)+"hr " + (string)((cnt%3600)/60) +"min";
 +}else {
 +if(cnt>60) {
 +return (string)(cnt/60)+"min";
 +} else {
 +return (string)cnt+"s";
 +}
 +}
 +}
 +
 +//I'm pretty sure there's a better way to do this but I'm trying to calculate the angle between
 +//North and the target so I can work out which direction it is in.
 +float getAngle(vector me, vector target) {
 +float hyp = llVecDist(me, target);
 +float yDiff = target.y-me.y;
 +float xDiff = target.x-me.x;
 +float angle = llSin(yDiff/hyp);
 +if(xDiff>0 && yDiff>0) {
 +return angle*RAD_TO_DEG;
 +}
 +if(xDiff>0 && yDiff<0) {
 +return 90-angle*RAD_TO_DEG;
 +}
 +if(xDiff<0 && yDiff>0) {
 +return angle*RAD_TO_DEG+270;
 +}
 +if(xDiff<0 && yDiff<0) {
 +return angle*RAD_TO_DEG + 270;
 +}
 +return angle*RAD_TO_DEG;
 +}
 +
 +default
 +{
 +state_entry()
 +{
 +llSensorRepeat("", "",scanType, 96, PI, scanFreq);
 +llSetTimerEvent(6);
 +}
 +
 +sensor(integer num_detected) {
 +people=[];
 +string result;
 +integer n=-1;
 +integer distance=0;
 +integer detDist;
 +string name;
 +
 +vector pos = llGetPos();
 +//get the dist, name and direction of everyone we just scanned.
 +for(n=0;n<num_detected && n<maxPeople;++n) {
 +vector detPos = llDetectedPos(n);
 +detDist = (integer)llVecDist(pos, detPos);
 +float angle = getAngle(llGetPos(), detPos);
 +name = llKey2Name(llDetectedKey(n));
 +if(detDist<96) {
 +people+=detDist;
 +people+=name;
 +people+=angle;
 +}
 +}
 +//sort the strided list
 +people = llListSort(people, 3, TRUE);
 +//construct settext
 +num_detected = llGetListLength(people)/3;
 +for(n=0;n<num_detected;++n) {
 +detDist=llList2Integer(people, n*3);
 +name = llList2String(people, n*3+1);
 +float dir = llList2Float(people, n*3+2);
 +if(detDist>20 && distance<=20) {
 +result+="<- Chat Range Limit ->\n";
 +}
 +result+=name;
 +if(detDist<20) {
 +integer cnt = count(name);
 +result+=" ["+time(cnt)+"]";
 +}
 +result+=" ["+(string)detDist+"m]";
 +
 +if(dir < 0 || dir > 360) {
 +llOwnerSay("Error:"+(string)dir+":"+name);
 +}
 +//determine which compass direction they are in.
 +if(dir <= 22.5) {
 +result+=" N\n";
 +} else {
 +if(dir > 22.5 && dir <= 67.5) {
 +result+=" NE\n";
 +} else {
 +if(dir > 67.5 && dir <= 112.5) {
 +result+=" E\n";
 +} else {
 +if(dir > 112.5 && dir <= 157.5) {
 +result+=" SE\n";
 +} else {
 +if(dir > 157.5 && dir <= 202.5) {
 +result+=" S\n";
 +} else {
 +if(dir > 202.5 && dir <= 247.5) {
 +result+=" SW\n";
 +} else {
 +if(dir > 247.5 && dir <= 292.5) {
 +result+=" W\n";
 +} else {
 +if(dir > 292.5 && dir <= 337.5) {
 +result+=" NW\n";
 +} else {
 +if(dir > 337.5 && dir < 360) {
 +result+=" N\n";
 +}
 +}
 +}
 +
 +}}}}}}
 +
 +distance=detDist;
 +}
 +
 +
 +//If we detected more (or the same number of) people as maxPeople then shrink down the scan distance to just
 +//the distance to the furthest one. Otherwise increment it a bit in case there are people further out.
 +if(num_detected>=maxPeople) {
 +maxScanDistance=distance+10;
 +} else {
 +maxScanDistance+=10;
 +}
 +
 +result+="\nStatus:"+status;
 +//adjust max people based on the length of result
 +if(llStringLength(result)>254) {
 +maxPeople--;
 +llOwnerSay("Length is "+(string)llStringLength(result) +
 +" Decrementing maxPeople to "+(string)maxPeople);
 +} else {
 +if(llStringLength(result)<200 && num_detected>maxPeople) {
 +maxPeople++;
 +llOwnerSay("Length is "+(string)llStringLength(result) +
 +" Incrementing maxPeople to "+(string)maxPeople);
 +}
 +}
 +llSetText(result, color, 1);
 +}
 +
 +no_sensor() {
 +llSetText("Status:"+status, color, 1);
 +maxScanDistance+=10;
 +llSensorRepeat("", "", scanType, maxScanDistance, PI, scanFreq);
 +}
 +
 +//all we do here is check the sims fps and dilation and tone down our scanning if necessary.
 +timer() {
 +float fps = llGetRegionFPS();
 +float timeDilation = llGetRegionTimeDilation();
 +
 +integer scanDistance;
 +if(fps<35 || timeDilation <0.9) {
 +if(maxScanDistance>30) {
 +scanDistance=30;
 +}
 +scanFreq=240;
 +status = "poor";
 +llSetTimerEvent(240);
 +color=<1,0,0>;
 +} else
 +{
 +if(fps<40 || timeDilation<0.95) {
 +if(maxScanDistance>64) {
 +scanDistance=64;
 +} else {
 +scanDistance=maxScanDistance;
 +}
 +scanFreq=30;
 +status = "ok";
 +llSetTimerEvent(120);
 +color=<1,1,0>;
 +} else
 +{
 +if(maxScanDistance>96) {
 +scanDistance=96;
 +} else {
 +scanDistance=maxScanDistance;
 +}
 +scanFreq=1;
 +llSetTimerEvent(60);
 +status = "good";
 +color=<0,1,1>;
 +}}
 +llSensorRepeat("", "", scanType, scanDistance, PI, scanFreq);
 +}
 +
 +}
 +</code>
  

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