Grafitti Board

 

 

Scripts name Grafitti board 0.0.2  
Purpose display text given by chat on a prim
e.g. visitor comments or notes in a meeting
 
script lanugages used lsl, os  
important settings for region osSetDynamicTextureData  
test on osgrid - trunk  6.1 SVN8132, XEngine  
source osgrid library - JustinCC  

 

 

// Grafitti board 0.0.2 for OpenSim
// By Justin Clark-Casey (justincc)
// http://justincc.wordpress.com

// This script is available under the BSD License

string text = "";

integer LISTENING_CHANNEL = 43;

// XXX Only putting this here as well to get around OpenSim's int -> string casting oddness
string LISTENING_CHANNEL_STRING = "43";

// FIXME: Should be dynamic!
integer CHARS_WIDTH = 42;

// Add some additional graffiti
addGraffiti(string message)
{
while (llStringLength(message) > CHARS_WIDTH)
{
text += "\n\n" + llGetSubString(message, 0, CHARS_WIDTH - 1);
message = llDeleteSubString(message, 0, CHARS_WIDTH - 1);
}

text += "\n\n" + message;
}

// Clear the existing graffiti
clearGraffiti()
{
text = "";
}

// Actually fires the graffiti out to the dynamic texture module
draw()
{
//llSay(0, text);
string drawList = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text " + text + ";";

osSetDynamicTextureData("", "vector", drawList, "1024", 0);
}

default
{
state_entry()
{
llSetText(
"Say /" + LISTENING_CHANNEL_STRING + " <message> to add text."
+ " Say /" + LISTENING_CHANNEL_STRING
+ " !clear to clear board",
<0.0, 1.0, 0.0>, 1.0);

llListen(LISTENING_CHANNEL, "", NULL_KEY, "");

addGraffiti("justincc's graffiti board v0.0.2");
addGraffiti("Now with primitive word wrap!");
draw();
}

listen(integer channel, string name, key id, string message)
{
if (message == "!clear")
{
clearGraffiti();
}
else
{
addGraffiti(message);
}

draw();
}
}