Serverside/Clientside Variables.

[ForceField]

Say I have the following server-side:

var = "string";

Then client-side I do:

print (var);

What would be the easiest way to make it print that client-side instead of resulting in nil?

Could I just put something like this in a shared lua file so it reads the server-side variable and makes it so it can be seen client-side?

var = var;

I'm working on something much more complex then that but I just need a simple understanding how to get the client to see a function, variable, etc that is server-side.

[Drew P. Richard]

Serverside you could send it to the client with SendLua or a usermessage.

function SendIt(Player)
Player:SendLua([[var = "string"]]);
end

or you could do it directly.

Player:SendLua([[print(]]..var..[[)]]);

[ForceField]

[QUOTE=Drew P. Richard;25474023]Serverside you could send it to the client with SendLua or a usermessage.

function SendIt(Player)
Player:SendLua([[var = "string"]]);
end

or you could do it directly.

Player:SendLua([[print(]]..var..[[)]]);[/QUOTE]

Awesome, got it working. Thanks.

[Drew P. Richard]

Anytime.

[Wizard of Ass]

Using SendLua all the time is bad since it uses unnecassary network performence.
Try to use usermessages only.

[Chewgum]

or you can stop being lazy

Assuming the value is always a string.

Serverside:
[lua]
function SendValue(player, value)
umsg.Start("get_var", player);
umsg.String(value);
umsg.End();
end;
[/lua]

Clientside:
[lua]
usermessage.Hook("get_var", function(um)
local value = um:ReadString();

print(value);
end);
[/lua]

[Wizard of Ass]

I just found an old script I made once for people who did not get usermessages too good.

[lua]if SERVER then
function SendVar(name,val,ply)
local t = type(val)
local msgtype
local id
if(t == "number")
if(math.floor(val) == val) then
if (val >= -128 and val <= 127) then
msgtype = "short"
id = 0
elseif(val >= -32,768 and val <= 32,767) then
msgtype = "char"
id = 1
elseif(val >= -2.147.483.648 and val <= 2.147.483.647) then
msgtype = "long"
id = 2
end
else
msgtype = "float"
id = 3
end
elseif(t == "string") then
msgtype = t
id = 4
elseif(t == "angle") then
msgtype = t
id = 5
elseif(t == "vector")
msgtype = t
id = 6
elseif(t == "bool") then
msgtype = t
id = 7
elseif(t == "entity") then
msgtype = t
id = 8
end
umsg.Start("SendVar",ply)
umsg.Char(id)
umsg[msgtype](val)
umsg.String(name)
umsg.End()
end
else
SendVars = {}
local function SendVarRec(um)
local msgtype = um:ReadChar()
local val
if(msgtype == 0) then
val = um:ReadShort()
elseif(msgtype == 1) then
val = um:ReadChar()
elseif(msgtype == 2) then
val = um:ReadLong()
elseif(msgtype == 3) then
val = um:ReadFloat()
elseif(msgtype == 4) then
val = um:ReadString()
elseif(msgtype == 5) then
val = um:ReadAngle()
elseif(msgtype == 6) then
val = um:ReadVector()
elseif(msgtype == 7) then
val = um:ReadBool()
elseif(msgtype == 8) then
val = um:ReadEntity()
end
local name = um:ReadString()
SendVars[name] = val
hook.Call("VarReceived",nil,name,val)
end
end
[/lua]

It puts everything received in a table and also calls a hook...

I'm not sure if this is working I can't find the final version atm.

[ralle105]

That won't work but it's a nice psuedo lua example:smile:

[Drew P. Richard]

SendLua is basically a usermessage that just calls RunString. It's not "inefficient", usermessages can be used easier though. SendLua I use often just because it's quicker and it's not like you're constantly sending shit in a Think hook.

[Chewgum]

[QUOTE=Drew P. Richard;25486220]SendLua is basically a usermessage that just calls RunString. It's not "inefficient", usermessages can be used easier though. SendLua I use often just because it's quicker and it's not like you're constantly sending shit in a Think hook.[/QUOTE]

I think it sends the whole function string and then runs it. So yes, it will be more inefficient.

[Drew P. Richard]

It's just sending a string, it is a bigger string yes, but it's not so much of a deal that it's going to lag the server if you use it to send things at certain times.

[notRzilla]

[QUOTE=Drew P. Richard;25486687]It's just sending a string, it is a bigger string yes, but it's not so much of a deal that it's going to lag the server if you use it to send things at certain times.[/QUOTE]

If you're sending this string often and you have many players then this can prove to be very inefficient.

[Drew P. Richard]

I guess, whatever.