Color script

Color script

Compare:

• ColorConvert
• Color

Color lists:

• common HTML color names
• web safe colors

<lsl> // Created by: Masakazu Kojima // Reposted by: ALicia Sautereau

integer CHANNEL = PUBLIC_CHANNEL; // channel to listen for commands on integer OWNER_ONLY = FALSE; // only owner can control integer USE_IMS = TRUE; // send IMs instead of using chat string COMMAND_CHANGE_COLOR = "change"; // command to change color string COMMAND_LIST_COLORS = "listcolors"; // command to list colors integer MAX_CHAT_LENGTH = 255; // max size for one message string PREFIX_HEX = "#"; // prefix to specify hex code string PREFIX_VECTOR = "<"; // prefix to specify vector code list LINKS_TO_SET = [LINK_SET, ALL_SIDES]; // [link number, link face, ...]

list COLORS;

set_colors() {

   COLORS = [
       "navy",    "#001f3f",
       "blue",    "#0074d9",
       "aqua",    "#7fdbff",
       "teal",    "#39cccc",
       "olive",   "#3d9970",
       "green",   "#2ecc40",
       "lime",    "#01ff70",
       "yellow",  "#ffdc00",
       "orange",  "#ff851b",
       "red",     "#ff4136",
       "maroon",  "#85144b",
       "fuchsia", "#f012be",
       "purple",  "#b10dc9",
       "white",   "#ffffff",
       "silver",  "#dddddd",
       "gray",    "#aaaaaa",
       "black",   "#111111"
   ];

}

say(key id, string str) {

   if (USE_IMS)
       llInstantMessage(id, str);
   else
       llWhisper(PUBLIC_CHANNEL, str);

}

vector color_from_hex(string str) {

   return <(integer)("0x" + llGetSubString(str,1,2)),
           (integer)("0x" + llGetSubString(str,3,4)),
           (integer)("0x" + llGetSubString(str,5,6))> / 255;

}

vector color_from_vector(string vec) {

   // caveat: 1,1,1 will be treated as #ffffff, not #010101
   list   l = llParseString2List(vec, [" ", ",", "<", ">"], []);
   vector v;

   v.x = (float)llList2String(l, 0);
   v.y = (float)llList2String(l, 1);
   v.z = (float)llList2String(l, 2);

   if (v.x > 1 || v.y > 1 || v.z > 1)
       v /= 255;

   return v;

}

vector color_from_name(string name) {

   //                                   vv strip spaces and force lowercase                                vv
   integer x = llListFindList(COLORS, [ llToLower(llDumpList2String(llParseString2List(name, [" "], []), "")) ]);

   if (x == -1)
       return <-1, -1, -1>;

   return color_from_hex(llList2String(COLORS, x+1));

}

set_color(key id, string str) {

   vector color;
   integer i;
   if (llGetSubString(str, 0, 0) == PREFIX_HEX) // hex code
       color = color_from_hex(str);
   else if (llGetSubString(str, 0, 0) == PREFIX_VECTOR) // vector
       color = color_from_vector(str);
   else
       color = color_from_name(str);

   if (color.x < 0 || color.x > 1 || color.y < 0 || color.y > 1 || color.z < 0 || color.z > 1) {
       say(id, "Invalid color specified: " + str);
       return;
   }

   llSetColor(color, ALL_SIDES);

}

list_colors(key id) {

   string str  = "";
   string nstr = "";
   integer i;

   for (i = 0; i < llGetListLength(COLORS); i += 2) {
       nstr = str + llList2String(COLORS, i) + ", ";

       if (llStringLength(nstr) > MAX_CHAT_LENGTH) {
           say(id, str);
           str = llList2String(COLORS, i);
       } else {
           str = nstr;
       }
   }
   if (str != "") say(id, str);

}

default {

   on_rez(integer bla)
   {
       llResetScript();
   }

   changed(integer change)
   {
       if ((OWNER_ONLY) && (change & CHANGED_OWNER))
           llResetScript();
   }

   state_entry()
   {
       set_colors();

       if (OWNER_ONLY)
           llListen(CHANNEL, "", llGetOwner(), "");
       else
           llListen(CHANNEL, "", "", "");
   }

   listen(integer channel, string name, key id, string msg)
   {
       string command;
       string argument;
       list l;

       l = llParseStringKeepNulls(msg, [" "], []);
       command = llList2String(l, 0);
       argument = llDumpList2String(llList2List(l, 1, -1), " ");

       if (command == COMMAND_CHANGE_COLOR)
           set_color(id, argument);
       else if (command == COMMAND_LIST_COLORS)
           list_colors(id);

   }

} </lsl>