User:Allen Kerensky/Myriad Lite Preview 5/SFX Server

= Myriad Lite SFX Server =

Myriad_Lite_SFX_Server-v0.0.0-20111008.lsl
// Myriad_Lite_SFX_Server-v0.0.0-20111006.lsl // The Myriad RPG System was designed, written, and illustrated by Ashok Desai // Myriad RPG licensed under the Creative Commons Attribution 2.0 UK: England and Wales // http://creativecommons.org/licenses/by/2.0/uk/ // Myriad Lite software Copyright (c) 2011 by Allen Kerensky (OSG/SL) // Myriad Lite licensed under the // Creative Commons Attribution-Share Alike-Non-Commercial 3.0 Unported // http://creativecommons.org/licenses/by-nc-sa/3.0/

// CONSTANTS - DO NOT CHANGE DURING RUN string VERSION = "0.0.0"; // Allen Kerensky's script version string VERSIONDATE = "20111008"; // Allen Kerensky's script yyyymmdd integer CHAN_MYRIAD = -999; // regionwide channel for Myriad events string CARD = "Myriad_Lite_SFX-v0.0.0-20100326.csv"; // notecard data table

// RUNTIME GLOBALS - CAN CHANGE DURING RUN integer HAND_MYRIAD; // llListenRemove handle for Myriad regional channel

list EFFECTS; // names of the special effect abilities list TYPES; // types of SFX, indexed by name order list ACTIVATIONS; // activation rules for SFX, indexed by name order list DESCRIPTIONS; // SFX descriptions indexed, by name order

integer LINE = 0; // reading line number key QUERY = NULL_KEY; // track notecard queries

// DEBUG - show debug messages DEBUG(string dmessage) { llOwnerSay("DEBUG: "+dmessage); }

// SETUP - begin SETUP { if ( HAND_MYRIAD != 0 ) llListenRemove(HAND_MYRIAD); // is there already a listener? clear it     HAND_MYRIAD = llListen(CHAN_MYRIAD,"",NULL_KEY,""); // start region channel listener DEBUG("Special Effect (SFX) server "+VERSION+" "+VERSIONDATE+" loading Effects. Please wait..."); // tell player we're waiting for data server QUERY = llGetNotecardLine(CARD,LINE++); // ask for line from notecard and advance to next line }

// RESET - reload RESET { llResetScript; // now reset }

LIST_EFFECTS(key id) { integer replyto = (integer)("0x"+llGetSubString((string)id,0,6)); // calculate requestor-specific chat channel to reply to   // we have to work around llRegionSay max string length 1023 characters integer items = llGetListLength(EFFECTS); // how many total items to send? integer count; // which item are we processing now? string out = "EFFECTS|"; // start an output list integer firstflag = TRUE; // is this first item in new list? while (count < items ) { // do we still have items in list to send? string name = llList2String(EFFECTS,count); // get the name of current item if ( llStringLength(out+","+name) <= 1016) { // is our output list under the string length limit? if ( firstflag == TRUE ) { // first item in list does not need a comma prefix out += name; // add this item as first in the output list firstflag = FALSE; // turn off first flag since next item won't be           } else { // not first item in list, prefix with comma out += ","+name; // add a comma and this effect to existing list }       } else { // output string > 1016 chars long llRegionSay(replyto,out); // send current output string out = "EFFECTS|"+name; // start a new one and add current item to that }       count++; // done putting this item in a list, set counter to next }      llRegionSay(replyto,out); // say last line of output }

GET_EFFECT(key id,string msg) { integer replyto = (integer)("0x"+llGetSubString((string)id,0,6)); // calculate requestor-specific chat channel to reply to   list tokens = llParseString2List(msg,["|"],[]); // split msg into list around pipe symbols string effect = llList2String(tokens,1); // the name of the item to get integer listpos = llListFindList(EFFECTS,[effect]); // get the position of that item in the list string reply = "EFFECTS"; // start output item data NO PLURAL here - we're sending 1 effect if ( listpos != -1 ) { // was item name in the list? reply += "|NAME="+llList2String(EFFECTS,listpos); // add effect name to output reply += "|TYPE="+llList2String(TYPES,listpos); // add effect type to output reply += "|ACTIVATION="+llList2String(ACTIVATIONS,listpos); // add effect activation rules to output reply += "|DESCRIPTION="+llList2String(DESCRIPTIONS,listpos); // add effect description to output llRegionSay(replyto,reply); // send it to requestor FIXME what if output greater than 1016 chars? } else { llRegionSay(replyto,"EFFECTS|ERROR=Requested effect ("+effect+") not found"); // item requested does not exist, return an error } }

SET_EFFECT { // FIXME - do we need this? }

// DEFAULT STATE default {

// STATE ENTRY - called on Reset state_entry { SETUP; // show credits and start notecard data load }

// on_rez - when rezzed to ground or from inventory as attachment during login on_rez(integer params) { params = 0; // LSLINT RESET; // force to go through state entry }

// attach - when attached or detached from inventory or during login attach(key id) { id = NULL_KEY; // LSLINT RESET; // force to go through state entry }

// dataserver called for each line of notecard requested dataserver(key queryid,string data) { if ( queryid == QUERY ) { // dataserver gave us line we asked for? if ( data != EOF ) { // we're not at end of notecard file? if ( llGetSubString(data,0,0) == "#" ) { // does this line start with comment mark? QUERY = llGetNotecardLine(CARD,LINE++); // ignore comment and ask for the next line return; }               // Parse non-comment lines in keyword = value[,value,...] format list fields = llParseString2List(data,[","],[]); // break line of text into = delimited fields EFFECTS        = EFFECTS + [llStringTrim(llList2String(fields,0),STRING_TRIM)]; // add effect name field to list TYPES          = TYPES + [llStringTrim(llList2String(fields,1),STRING_TRIM)]; // add effect type field to list ACTIVATIONS    = ACTIVATIONS+ [llStringTrim(llList2String(fields,2),STRING_TRIM)]; // add effect activation rule field to list DESCRIPTIONS   = DESCRIPTIONS + [llStringTrim(llList2String(fields,3),STRING_TRIM)]; // add effect description field to list QUERY = llGetNotecardLine(CARD,LINE++); // finished with known keywords, get next line } else { // end of notecard DEBUG("SFX loaded. Server ready. Free Memory: "+(string)llGetFreeMemory); // done, ready to serve } // end if data not equal eof } // end if query id equal } // end if data server event listen(integer channel,string name,key id,string msg) { channel = 0; // LSLINT name = ""; // LSLINT list tokens = llParseString2List(msg,["|"],[ ]); // split msg into list around pipe symbols string command = llList2String(tokens,0); // first field is some sort of command if ( command == "LIST_EFFECTS" ) { // is this a list all SFX request? LIST_EFFECTS(id); // call it           return; // return early instead of processing more }       if ( command == "GET_EFFECT" ) { // GET_EFFECT|string effectname GET_EFFECT(id,msg); // call it           return; // return early instead of processing more }       if ( command == "SET_EFFECT" ) { // is this a set-effect request SET_EFFECT; // call it           return; // return early in case we add more later }   } } // end default state