Chat Logger (GPL)

This code demonstrates several functions in combination. Listens, dialogs, Lists, states, arrays, etc.

Preamble: Code adapted from: http://www.simteach.com/wiki/index.php?title=SL_Chat_Logger (by Patch Lamington) which is covered by GNU Free Documentation License (http://www.gnu.org/copyleft/fdl.html) in the spirit of which this script is GPL'd. Copyright (C) 2007 Nobody Fugazi/T. Rampersad

(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. The GPL license: [1]

(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.

Change Log: January 12, 2007: Text output in HTML, Requests permissions from user before logging chat. (NF/TR)

list names;
list speech;
list colours=["002EB8","FF6633","006600","660066","660033","663300","1A9900","FF14B1","001A99","#B88A00"];
list unique_names;
list ignore_names;
list buffer_await;
integer BUFFERSTRIDE = 2;

list ALLOW_MENU = ["sure", "no way"]; // the main menu
integer CHANNEL = 42; // Life, the Universe, and Everything.
integer HandleDialogListen;

default
{
    state_entry()
    {
        llSetText("This is a GPL Chat Logger.\n We request permission before recording.",<0,0,0>,1.0);
        integer i;
        integer c;
        for (i=0;i<llGetListLength(names);i++)
        {
            c = llListFindList(unique_names,llList2List(names,i,i)  );
            while (c >= llGetListLength(colours)) // dont crash if I run out of colours
                c -= llGetListLength(colours);
            llSetObjectName("<font color=#" + llList2String(colours,c)
                + ">" + llList2String(names,i) );
            llOwnerSay( llList2String(speech,i) + "</font>" );
        }
        names = [];
        speech = [];
        unique_names = [];
        llSetObjectName("GPL ChatLogger 0.1");
    }

    on_rez(integer i)
    {
        llResetScript();
    }
    
    touch_start(integer total_number)
    {
        if (llDetectedKey(0) == llGetOwner() )
        {
            llSay(0, "Beginning Chat Logging.");
            state chat_logging;
        }
    }
}

state chat_logging
{
    state_entry()
    {
        llListen(0,"",NULL_KEY,"");
        buffer_await = [];
    }

    on_rez(integer i)
    {
        llOwnerSay("Logging still active! Touch to get playback");
    }
    
    timer()
    {
        // If the dialog is hanging out doing nothing too long, kill the llListen
        llListenRemove(HandleDialogListen);
    }
    
    touch_start(integer total_number)
    {
        if (llDetectedKey(0) == llGetOwner() )
        {
            llSay(0, "chat logging now off - replaying log!.");
            state default;
        }
    }
    
    listen(integer channel, string name, key id, string message)
    {
           // Is this a message from the permissions dialog?
            if ((llListFindList(ALLOW_MENU, [message]) != -1) && (channel==CHANNEL))
            {
                string buffer_temp;
                // we'll need this from the strided list.
                integer buffer_loc;
                list temp_name;
                temp_name +=name;
                buffer_loc = llListFindList(buffer_await, temp_name);
                if (message=="sure")
                    {
                        unique_names += name;
                        llListenRemove(HandleDialogListen);
                        // buffered message is worthwhile, so add it:
                        buffer_temp = llList2String(buffer_await, buffer_loc);
                        names += buffer_temp;
                        buffer_loc++;
                        buffer_temp = llList2String(buffer_await, buffer_loc);
                        speech += buffer_temp;
                        buffer_loc--;
                        llDeleteSubList(buffer_await, buffer_loc, BUFFERSTRIDE);
                        return;
                    }
                else 
                    {
                        // To Be Safe, even if someone hits ignore 
                        ignore_names += name;
                        llListenRemove(HandleDialogListen);
                        // We can delete the buffer without adding stuff.
                        llDeleteSubList(buffer_await, buffer_loc, BUFFERSTRIDE);
                        return;
                    }
            }
          
          if(llListFindList(ignore_names,[name]) != -1)
          {
              return;
            }
            if(llListFindList(unique_names,[name]) == -1)
            {
                //Check if avatar will give permissions
                HandleDialogListen = llListen(CHANNEL, "", NULL_KEY, "");
                llDialog(id, "Hello. This is a chat logger. If you give us permission, your participation will be recorded. May we have your permission?", ALLOW_MENU, CHANNEL);
                // Give people 1.5 minutes to respond, 
                // else kill the llListen in timer()
                llSetTimerEvent(90);
                //store in strided buffer in case last message is to be permed.
                buffer_await +=[name,message]; 
                //we're done here (until the user responds to the dialog).
                return;
            }
        names += name;
        speech += message;
             
    }

}