HTML HUD Demo

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Revision as of 09:04, 17 June 2013 by Maestro Linden (talk | contribs) (Added missing line so that HUD would work)
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<lsl> // Suggest a "Stop All Animations" button be added to Animations selection frame for convenience. </lsl>

screenshots

<lsl> //HTML-based, single script HUD // // To use: // - create a default prim (cube) // - wear it as a HUD on top_left (script needs tweaking for other attachment points) // - edit the cube while wearing // - add animations you want to use // - add notecards and objects you want to hand out // - add this script // // License: // This script itself is free to share, modify and use without restriction. // Any linked or referenced files are not included in this license and are licensed by // their respective owners under their own respective copyright and other licenses. // original by Kelly Linden and reformatted by Kireji Haiku, 2011.


key owner; string ownerName;

string url;

key currentRequestID;

integer responseStatus; string responseBody;

list lastPath;

string video_url;

string header; string footer;

string currentAnimation;

integer isVisible;

string exceptions;

// user-function: init // - does not return anything // - sets initial variable values // - sets object's name and textures // - request a url to use the HUD

init() {

   owner = llGetOwner();
   ownerName = llKey2Name(owner);
   llSetObjectName(ownerName+"'s HUD");

   video_url = "http://www.youtube.com/embed/m7p9IEpPu-c?rel=0";

   //header set in set_link_media(url)
   //footer set in set_link_media(url)

   llSetLinkPrimitiveParamsFast(LINK_THIS, [
       PRIM_TEXTURE, ALL_SIDES, TEXTURE_BLANK, <1.0, 1.0, 1.0>, ZERO_VECTOR, (float)FALSE,
       PRIM_TEXTURE, 2, "0b815b79-c8f5-fc98-91fc-e77b53a468e2", <1.0, 1.0, 1.0>, ZERO_VECTOR, (float)FALSE]);

   toggle_visibility_of_HUD_button();
   request_url();

}

// user-function: toggle_visibility_of_HUD_button // - does not return anything // - toggle the visibility of the prim // - will rotate, position and scale the prim

toggle_visibility_of_HUD_button() {

   if (isVisible)
       llSetLinkPrimitiveParamsFast(LINK_THIS, [
           PRIM_POS_LOCAL, <0.0, -0.13, -0.13>,
           PRIM_ROT_LOCAL, <0.0, 0.0, 0.0, 1.0>,
           PRIM_SIZE, <0.01, 0.25, 0.25>]);
   else
       llSetLinkPrimitiveParamsFast(LINK_THIS, [
           PRIM_POS_LOCAL, <0.0, -0.04, -0.04>,
           PRIM_ROT_LOCAL, <0.0, 0.0, -1.0, 0.0>,
           PRIM_SIZE, <0.05, 0.05, 0.05>]);

   isVisible = !isVisible;

}

// user-function: request url // - does not return anything // - make sure we drop the old url before requesting a new one

request_url() {

   llReleaseURL(url);
   llRequestURL();

}

// user-function: set_link_media // - does not return anything // - set the values for the string variables 'header' and 'footer' // - prepare face 4 for media on a prim

set_link_media(string scriptUrl) {

   url = scriptUrl;

   header = "<html><head><link href='"
       + "https://d1979ns0fqtj19.cloudfront.net/assets/common-103828347986224535963905120979424958961.css'"
       + " media='all' rel='stylesheet' type='text/css' />"
       + "<base href='" + scriptUrl + "/' /></head><body>";

footer = "

<a href=>Scan</a> | "
       + "<a href='anims'>Anims</a> | <a href='video'>Video</a> | <a href='config'>Config</a> | "
+ "<a href='hide'>Hide</a>

<script src='"

       + "https://d2mjw3k7q9u8rb.cloudfront.net/assets/common-170919042270376442559931151451605602726.js"
       + "' type='text/javascript'></script></body></html>";

   llSetLinkMedia(LINK_THIS, 4, [
                           PRIM_MEDIA_AUTO_PLAY, TRUE,
                           PRIM_MEDIA_CURRENT_URL, url,
                           PRIM_MEDIA_HOME_URL, url,
                           PRIM_MEDIA_HEIGHT_PIXELS, 256,
                           PRIM_MEDIA_WIDTH_PIXELS, 256,
                           PRIM_MEDIA_PERMS_CONTROL, PRIM_MEDIA_PERM_NONE]);

}

// user-function: // - does not return anything // - used if there's not a request to the homepage of our website // - check where on the site we are and prepare variables for the response

http_get(key requestID, list path) {

   currentRequestID = requestID;

   integer numOfPathsParts = llGetListLength(path);
   string firstPathPart = llList2String(path, 0);

   if (firstPathPart == "hide")
   {
       toggle_visibility_of_HUD_button();
       http_get(requestID, lastPath);
       return;
   }

   lastPath = path;

   if (firstPathPart == "agent")
   {
       if (numOfPathsParts == 1)
       {
           prepare_profile_overview_page(requestID, owner);
           return;
       }
       else if (numOfPathsParts == 2)
       {
           key id = (key)llList2String(path, 1);
           prepare_profile_overview_page(requestID, id);
           return;
       }
       else if (numOfPathsParts == 4)
       {
           if (llList2String(path, 2) != "give")
               return;

           key id = (key)llList2String(path, 1);
           string name = llKey2Name(id);
           string itemName = llUnescapeURL(llList2String(path, 3));

           llOwnerSay("Giving '" + itemName + "' to '" + name + "'.");
           llGiveInventory(id, itemName);
           prepare_profile_overview_page(requestID, id);
           return;
       }
   }
   else if (firstPathPart == "anims")
   {
       if (numOfPathsParts == 1)
       {
           anims_page();
           return;
       }
       else if (numOfPathsParts == 2)
       {
           play_anim(llList2String(path, 1));
           anims_page();
           return;
       }
   }
   else if (firstPathPart == "video")
   {
       responseStatus = 200;
       responseBody = header + "
<iframe width='255' height='173' src='" + video_url + "' frameborder='0' allowfullscreen></iframe>" + footer; return; } else if (firstPathPart == "config") { if (numOfPathsParts == 1) { config_page(); return; } else if (llList2String(path, 1) == "set") { string queryString = llGetHTTPHeader(requestID, "x-query-string"); list args = llParseString2List(queryString, ["="], ["&"]); integer index = -llGetListLength(args); while (index) { string variable = llList2String(args, index); string value = llUnescapeURL(llList2String(args, index + 1)); if (variable == "video") video_url = value; //because: var,val,&,var,val,&,... index = index + 3; } config_page(); } } responseStatus = 404;

responseBody = header + "

404 Page Not Found.

" + footer;

   throw_exception("There has been a HTTP-request to a non-existant page on your HUD's website. "
       + "Please check the path of the request for mistakes.");

}

// user-function: prepare_profile_overview_page // - does not return anything // - prepares a response for a page with information about a certain avatar // - includes profile thumbnail, name, script info, give menu

prepare_profile_overview_page(key requestID, key id) {

   list avatarDetails = llGetObjectDetails(id, [
                               OBJECT_POS,
                               OBJECT_TOTAL_SCRIPT_COUNT,
                               OBJECT_SCRIPT_MEMORY,
                               OBJECT_SCRIPT_TIME]);

   responseStatus = 200;
   responseBody = header

+ "

" + "

" + html_body_with_formatted_avatar_name(id) + "

" + llGetUsername(id) + "

"
       + html_body_with_links_for_interaction_with_certain_avatar(id) + "
"
+ html_body_with_inventory_overview_for_give_menu(id) + "
"
       + html_body_avatar_profile_pic_thumbnail(id)
+ "
    " + "
  • Scripts:
    • " + (string)llList2Integer(avatarDetails, 1) + " total
    • " + bytes2str(llList2Integer(avatarDetails, 2)) + "
    • " + (string)((integer)(llList2Float(avatarDetails, 3) * 1000000.0)) + "us

" + footer;

}

// user-function: html_body_with_formatted_avatar_name // - returns the name of the avatar in html format // - removes the lastname if it is Resident // - adds a line-break for long names

string html_body_with_formatted_avatar_name(key id) {

   string stringToReturn = llKey2Name(id);

   if (llGetSubString(stringToReturn, -9, -1) == " Resident")
       stringToReturn = llDeleteSubString(stringToReturn, -9, -1);

   if (15 < llStringLength(stringToReturn))
       stringToReturn = llDumpList2String(llParseString2List(stringToReturn,[" "], []), "
"); return stringToReturn;

}

// user-function: html_body_with_links_for_interaction_with_certain_avatar // - returns html text with links for an avatar to interact with who has a certain uuid

string html_body_with_links_for_interaction_with_certain_avatar(key id) {

return "

";

}

// user-function: html_body_with_inventory_overview_for_give_menu // - returns html text with inventory item lists

string html_body_with_inventory_overview_for_give_menu(key id) {

string stringToReturn = "

";

   return stringToReturn;

}

// user-function: bytes2str // - returns a string with script memory info in readable format

string bytes2str(integer bytes) {

   // 1024² = 1048576

   if (bytes < 1048576)
       return (string)(bytes / 1024) + " KB";
   //else
       return (string)(bytes / 1048576) + " MB";

}

// user-function: html_body_avatar_profile_pic_thumbnail // - returns html text with urls to someone's profile pic

string html_body_avatar_profile_pic_thumbnail(key id) {

   return "<a href='secondlife:///app/agent/" + (string)id
       + "/about' class='avatar avatar_thumb' rel='#sl_image_zoom' title='Click to zoom'"
       + "<img alt='Thumb_sl_image' src='https://my-secondlife.s3.amazonaws.com/users/"
       + llGetUsername(id) + "/sl_image.png' /></a>";

}

// user-function: inventory_list_in_html_format_for_give_menu // - returns html text with inventory item list of given type

string inventory_list_in_html_format_for_give_menu(key id, integer type) {

   string stringToReturn;

   integer index = llGetInventoryNumber(type);
   while (index)
   {
       --index;

       string name = llGetInventoryName(type, index);

stringToReturn += "

  • <a href='agent/" + (string)id + "/give/" + name + "'>" + name + "</a>
  • "; } return stringToReturn; } // user-function: anims_page // - does not return anything // - prepares an html text overview page of animations anims_page() { responseStatus = 200; responseBody = header + "

    Animations

    Choose an animation:

    " + html_body_animations_overview() + "



    " + footer;

    }

    // user-function: html_body_animations_overview // - returns html text with a list of included animations

    string html_body_animations_overview() {

    string stringToReturn = "

    ";

       return stringToReturn;
    

    }

    // user-function: play_anim // - does not return anything // - prompts a perms request to animate owner

    play_anim(string anim) {

       llRequestPermissions(owner, PERMISSION_TRIGGER_ANIMATION);
       currentAnimation = llUnescapeURL(anim);
    

    }

    // user-function: config_page // - does not return anything // - prepares page to configure youtube video link

    config_page() {

       responseStatus = 200;
    

    responseBody = header + "

    Options:

    <form action='config/set' method='get'>Video URL: "

           + "<input type='text' name='video' value='" + video_url
           + "' /><input type='submit' value='Set' /></form>" + footer;
    

    }

    // user-function: throw_exception // - does not return anything // - logs errors into cache for later viewing and debugging

    throw_exception(string inputString) {

       if (exceptions == "")
           exceptions = "The following un-handled exception(s) occurred that are preventing this device's operation:\n";
    
       exceptions += "\t"+inputString+"\n";
    

    }

    default {

       on_rez(integer start_param)
       {
           llReleaseURL(url);
           llResetScript();
       }
    
       changed(integer change)
       {
           if (change & (CHANGED_OWNER | CHANGED_INVENTORY))
           {
               llReleaseURL(url);
               llResetScript();
           }
    
           if (change & (CHANGED_REGION | CHANGED_REGION_START | CHANGED_TELEPORT))
               request_url();
       }
    
       state_entry()
       {
           init();
       }
    
       touch_start(integer num_detected)
       {
           toggle_visibility_of_HUD_button();
       }
    
       http_request(key id, string method, string body)
       {
           integer sendResponseNow = TRUE;
    
           responseStatus = 400;
           responseBody = "Unsupported method";
    
           if (method == URL_REQUEST_GRANTED)
           {
               responseStatus = 200;
               responseBody = "OK";
    
               set_link_media(body);
           }
           else if (method == URL_REQUEST_DENIED)
           {
               responseStatus = 400;
               responseBody = "Bad request";
    
               throw_exception("The following error occurred while attempting to get a free URL for this device:\n \n" + body);
           }
           else if (method == "GET")
           {
               responseStatus = 200;
               responseBody = "GET";
    
               string pathInfoHeader = llGetHTTPHeader(id, "x-path-info");
               list path = llParseString2List(pathInfoHeader, ["/"], []);
    
               if (path == [])
               {
                   sendResponseNow = FALSE;
                   currentRequestID = id;
                   llSensor("", NULL_KEY, AGENT_BY_LEGACY_NAME, 96.0, PI);
                   lastPath = [];
               }
               else
                   http_get(id, path);
           }
    
    

    // check if doing a sensor sweep and if so don't send a response // but send the response in 'sensor event' or 'no_sensor event' // // (time-out 30.0 seconds for response)

           if (sendResponseNow)
           {
               llSetContentType(id, CONTENT_TYPE_HTML);
               llHTTPResponse(id, responseStatus, responseBody);
           }
    
           if (exceptions != "")
               state error;
       }
    
       run_time_permissions(integer perm)
       {
           if (perm & PERMISSION_TRIGGER_ANIMATION)
           {
               llStartAnimation(currentAnimation);
           }
           else
               throw_exception("This HUD has tried to animate your avatar WITHOUT having the permissions to do so. "
                   + "You must grant this HUD permissions to animate your avatar for this feature to work.");
    
           if (exceptions != "")
               state error;
       }
    
       sensor(integer num_detected)
       {
           responseStatus = 200;
    

    responseBody = header + "

    Scan Results:

      ";
             if (14 < num_detected)
                 num_detected = 14;
      
             while (num_detected)
             {
                 --num_detected;
      
                 key id = llDetectedKey(num_detected);
      
      
      responseBody += "
    • <a href='agent/" + (string)id + "'>" + html_body_with_formatted_avatar_name(id) + "</a>
    • "; } responseBody += "

    " + footer;

           llSetContentType(currentRequestID, CONTENT_TYPE_HTML);
           llHTTPResponse(currentRequestID, responseStatus, responseBody);
       }
    
       no_sensor()
       {
           responseStatus = 200;
    

    responseBody = header + "

    Scan Results:

      " + "
    • No one near by.
    • Owner: <a href='agent/" + (string)owner + "'>" + ownerName + "</a>

    " + footer;

           llSetContentType(currentRequestID, CONTENT_TYPE_HTML);
           llHTTPResponse(currentRequestID, responseStatus, responseBody);
       }
    
       state_exit()
       {
           llReleaseURL(url);
       }
    

    }

    state error {

       on_rez(integer start_param)
       {
           llResetScript();
       }
    
       changed(integer change)
       {
           if (change & (CHANGED_OWNER | CHANGED_INVENTORY))
               llResetScript();
       }
    
       state_entry()
       {
           llOwnerSay("========== ERROR REPORT START ==========");
           llOwnerSay(exceptions);
           llOwnerSay("========== ERROR REPORT END ==========");
           llOwnerSay("Resetting now...");
           llResetScript();
       }
    

    } </lsl>

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