Basic Sim Status Button Indicator HUD

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<lsl> // Generic Sim Status Button Indicator // HUD / 1 prim // by Ackley Bing // January 2013 // // A HUD button for remote monitoring of sims. // Color indicates the sim status // Green = SIM available // When the sim goes down it turns red/black // // To use put this in a prim and attach to your preferred HUD location. // Go to the sim you want to monitor and and click the prim // Click and HOLD the hud button to choose another sim. // // Modify // Attach / Connect this to your HUD/Vehicle/etc any way you like.

integer listenhandle; string region; key datarequestID;

vector SimStutus2Color(string data) {

   if ( data == "up" ) return <0.0,1.0,0.0>; // green
   else if ( data == "down" ) return <1.0,0.0,0.0>; // red
   else if ( data == "starting" || data == "stopping" ) return <1.0,1.0,0.0>; // yellow
   else return <0.0,0.0,0.0>; // black

}

default {

   state_entry()
   {
       llRequestPermissions(llGetOwner(), PERMISSION_TAKE_CONTROLS);
       llSetPrimitiveParams([PRIM_COLOR, 4, SimStutus2Color(""), 1.0]);
   }
   touch_start(integer n)
   {
       llResetTime();
       llSetTimerEvent(30.0);
   }
   touch_end(integer n)
   {
       if(llGetTime()<5.0 && region != "") datarequestID=llRequestSimulatorData(region,DATA_SIM_STATUS);
       else llDialog(llGetOwner(), "Monitor Sim Status for "+llGetRegionName()+"?", ["Yes","No"], (listenhandle = llListen(1, "", llGetOwner(), "")));
   }
   listen(integer channel, string name, key id, string message)
   {
       if (message=="Yes") datarequestID=llRequestSimulatorData(region=llGetRegionName(),DATA_SIM_STATUS);
       if (message=="No" && region=="") llSetPrimitiveParams([PRIM_COLOR, 4, SimStutus2Color(""), 1.0]);
   }
   timer()
   {
       if (listenhandle) llListenRemove(listenhandle--);
       if (region!="") llRequestSimulatorData(region,DATA_SIM_STATUS);
   }
   dataserver(key requested, string data)
   {
       if (requested==datarequestID) llOwnerSay("http://maps.secondlife.com/secondlife/"+llEscapeURL(region)+" is "+data+(string)(datarequestID=""));
       llSetPrimitiveParams([PRIM_COLOR, 4, SimStutus2Color(data), 1.0]);
   }
   run_time_permissions(integer perms)
   {
       llTakeControls((perms && PERMISSION_TAKE_CONTROLS)*CONTROL_BACK, TRUE, TRUE);
   }

} </lsl>