Having problems, please a good scripter

|H|TiTanium · August 16, 2013

The above code is supposed to get Ped's health and show it in a progressBar( which should be above its head ). It doesn't work, I don't get anything from debugscript, but it doesn't work, progressbar is not created...

If you know what is wrong, please tell me and help me fixing, tigre1 is created server-side ( using slothbot ). Probably if you find any error, it's not the only one, so try to help me, please.

local rootElement = getRootElement() 
function PETvida() 
    if ( isElement ( tigre1 ) ) then 
    local pedX, pedY = getElementPosition ( tigre1 ) 
    if ( isElement ( tigre1 ) ) then 
    local vida = getElementHealth ( tigre1 ) 
    local sx, sy = getScreenFromWorldPosition (getElementPosition(tigre1)) 
        if sx then 
        life = guiCreateProgressBar( pedX, pedY+5, sx, sy, true, nil ) -- Made pedY+5 to make it above Ped's health and not on its body 
        guiProgressBarSetProgress(life, tonumber (vida)) 
    end 
    end 
    end 
end 
  
function HandleTheRendering() 
    addEventHandler("onClientRender",rootElement, PETvida) 
end 
addEventHandler("onBotSpawned",rootElement, HandleTheRendering)

Castillo · August 16, 2013

You can't make a 3D progress bar using GUI functions, you must draw it using dxDrawRectangle.

|H|TiTanium · August 16, 2013

And what about the rest of the code ?

Castillo · August 16, 2013

If "tigre1" is created server side, then that script won't work, because client and server scripts don't share variables.

|H|TiTanium · August 16, 2013

Even if they are global ? I thought that, but I wasn't sure of how do I do, I'm starting to give up.

If you have any tips about how do I do dxDrawRectangle using a server-side variable, please tell me. How do I "share" variables between both sides. Also check this please, tell me if the only thing is wrong is the variable ( I didn't get element health yet ) :

local rootElement = getRootElement() 
local x,y = guiGetScreenSize() 
function PETvida() 
    local sx, sy = getScreenFromWorldPosition (getElementPosition(tigre1)) 
        if sx then 
        dxDrawRectangle( sx, sy, x/2.02, y/2, tocolor ( 0, 0, 0, 150 ) ) 
    end 
end 
  
function HandleTheRendering() 
    addEventHandler("onClientRender",rootElement, PETvida) 
end 
addEventHandler("onBotSpawned",rootElement, HandleTheRendering)

Castillo · August 16, 2013

You can send the ped element to the client side using triggerClientEvent.

|H|TiTanium · August 16, 2013

Client side :

local x,y = guiGetScreenSize() 
function PETvida() 
    local sx, sy = getScreenFromWorldPosition (getElementPosition(tigre1)) 
        if sx then 
        dxDrawRectangle( sx, sy, x/2.02, y/2, tocolor ( 0, 0, 0, 150 ) ) 
    end 
end 
addEvent( "onGetHealth", true ) 
addEventHandler( "onGetHealth", getRootElement(), PETvida )

Server side(I think showing the whole function is not needed):

tigre1 = call (getResourceFromName("slothbot"), "spawnBot", x+3, y+1, z, rot, skin, interior, dimension, team, weapon, mode, modesubject) 
setElementData ( tigre1, "pet", cachorro ) 
setElementExtraHealth  ( tigre1, 999 ) 
triggerClientEvent ( "onGetHealth", getRootElement(), tigre1 ) 
else 
outputChatBox("Você não tem dinheiro para criar um PET", thePlayer, 225, 0, 0) 
    end 
end

Is it going to work, so I would "share" variables ... and the first code, is it right ?

Castillo · August 16, 2013

dxDrawRectangle requires onClientRender event in order to draw it every render.

Also, is not what I meant, what I meant is: send the element to the client side, define it there and then draw the progress bar.

|H|TiTanium · August 16, 2013

I give up, too many things, mta wiki is too limited, it says one thing while I can do another one totally different. Examples are bad, short explanation of how free I'm to use functions.

ixjf · August 16, 2013

Even if they are global ? I thought that, but I wasn't sure of how do I do, I'm starting to give up.
If you have any tips about how do I do dxDrawRectangle using a server-side variable, please tell me. How do I "share" variables between both sides. Also check this please, tell me if the only thing is wrong is the variable ( I didn't get element health yet ) :
local rootElement = getRootElement() 
local x,y = guiGetScreenSize() 
function PETvida() 
    local sx, sy = getScreenFromWorldPosition (getElementPosition(tigre1)) 
        if sx then 
        dxDrawRectangle( sx, sy, x/2.02, y/2, tocolor ( 0, 0, 0, 150 ) ) 
    end 
end 
  
function HandleTheRendering() 
    addEventHandler("onClientRender",rootElement, PETvida) 
end 
addEventHandler("onBotSpawned",rootElement, HandleTheRendering) 

It is not directly possible to share variables between the client and server sides because they run on different Lua states, running on different machines (except when you are both hosting the server and running the client, yet they run on different states). The concept of client and server-side scripts is that the client ones are transfered over to the client (the client is what you use to join a server), while server-side scripts are loaded and run on the server, which is why you have to download client-side scripts and create GUI elements on the client side.

denny199 · August 17, 2013

You can't make a 3D progress bar using GUI functions, you must draw it using dxDrawRectangle.

You actually can:

Client:

local screenX, screenY = guiGetScreenSize() 
local sizeX = screenX*(100/1920) 
  
  
  
local rootElement = getRootElement() 
function PETvida() 
    if ( isElement ( tigre1 ) ) then 
local pedX, pedY, pedZ = getElementPosition ( tigre1 ) 
local plX, plY, plZ = getElementPosition ( localPlayer ) 
local visibleto = getDistanceBetweenPoints3D(pedX, pedY, pedZ,plX, plY, plZ) 
if visibleto < 45 then 
local headX, headY, headZ = getPedBonePosition( tigre1, 5 ) 
local sx, sy = getScreenFromWorldPosition (headX, headY, headZ+0.6) 
        if sx then 
guiSetPosition ( life,  sx-((sizeX-visibleto)/2), sy, false ) 
guiSetSize (life, sizeX-visibleto, screenY*((30-visibleto)/1080), false) 
    local vida = getElementHealth ( tigre1 ) 
        guiProgressBarSetProgress(life, tonumber (vida)) 
end 
end 
end 
end 
  
  
function HandleTheRendering() 
        life = guiCreateProgressBar( 0, 0,0, 0, false, nil ) 
addEventHandler("onClientRender",rootElement, PETvida) 
end 
addEventHandler("onBotSpawned",rootElement, HandleTheRendering)

Now you only need to send the element to the client like this:

client:

local clientElement = nil 
  
addEvent ( "get:element", true ) 
addEventHandler ( "get:element", root, function(element) 
clientElement = element 
end)

Server:

Lped = createPed ( 0,0,0,1) 
  
function sendServer(playerToSendTo) 
triggerClientEvent (playerToSendTo, "get:element", root, Lped ) 
end

This will send the server element "Lped" to the client, in that way you can check his health.

If you need explanation with these functions tell it here.

But dx rectangles will look nicer, and it it's faster for a client pc.

Regards,

Danny

|H|TiTanium · August 17, 2013

but is it possible to show ped's health on a rectangle ? created using dxdrawrectangle

denny199 · August 17, 2013

As I said, yes, but you still need to edit the code foryourself

Client

local x, y = guiGetScreenSize() 
local tigre1 = nil 
  
addEventHandler("onClientRender",getRootElement(), 
function () 
if ( isElement ( tigre1 ) ) then 
local mx, my, mz = getElementPosition(tigre1) 
local mcx, mcy, mcz = getCameraMatrix() 
if isLineOfSightClear ( mcx , mcy, mcz, mx, my, mz, true, false, false, true, false, true, false, getLocalPlayer ( )) then 
local x1,y1,z1 = getElementPosition (getLocalPlayer()) 
local x2,y2,z2 = getElementPosition (tigre1) 
local visibleto = getDistanceBetweenPoints3D(x1,y1,z1,x2,y2,z2) 
if visibleto < 75 then 
local sx,sy = getScreenFromWorldPosition ( x2,y2,z2+1.45 ) 
if sx and sy then 
if y/102-visibleto/5 > 0 then 
dxDrawRectangle ( sx-x/14/2+visibleto/2, sy+y/25-visibleto/3, x/14-visibleto,y/146.3-visibleto/10, tocolor(0,0,0,245) ) 
if getElementHealth(tigre1) > 1 then 
dxDrawRectangle ( sx-x/14/2+visibleto/2, sy+y/25-visibleto/3, x/14*getElementHealth(tigre1)/100-visibleto,y/146.3-visibleto/10, tocolor(190,0,0,245) ) 
end 
end 
end 
end 
end 
end 
end) 
  
  
  
addEvent ("get:element",true) 
addEventHandler ( "get:element", root,  
function (element) 
tigre1 = element 
outputChatBox ( "element" ) 
end) 
  
  
addEventHandler ( "onClientResourceStart", resourceRoot, function() 
triggerServerEvent ( "ped:clientready", getLocalPlayer(), getLocalPlayer() ) 
end)

Server:

Lped = createPed ( 0,0,0,10) 
  
  
function sendServer(playerToSendTo) 
triggerClientEvent (playerToSendTo, "get:element", root, Lped ) 
end 
addEvent ( "ped:clientready", true ) 
addEventHandler ( "ped:clientready", root, sendServer )

|H|TiTanium · August 17, 2013

Do you have a good wiki ( better than the limited one from mta ) showing examples, tutorials, full explanation ?

manawydan · August 17, 2013

http://www.lua.org/manual/5.1/pt/manual.html

Castillo · August 17, 2013

You can't make a 3D progress bar using GUI functions, you must draw it using dxDrawRectangle.

You actually can:

Client:

local screenX, screenY = guiGetScreenSize() 
local sizeX = screenX*(100/1920) 
  
  
  
local rootElement = getRootElement() 
function PETvida() 
    if ( isElement ( tigre1 ) ) then 
local pedX, pedY, pedZ = getElementPosition ( tigre1 ) 
local plX, plY, plZ = getElementPosition ( localPlayer ) 
local visibleto = getDistanceBetweenPoints3D(pedX, pedY, pedZ,plX, plY, plZ) 
if visibleto < 45 then 
local headX, headY, headZ = getPedBonePosition( tigre1, 5 ) 
local sx, sy = getScreenFromWorldPosition (headX, headY, headZ+0.6) 
        if sx then 
guiSetPosition ( life,  sx-((sizeX-visibleto)/2), sy, false ) 
guiSetSize (life, sizeX-visibleto, screenY*((30-visibleto)/1080), false) 
    local vida = getElementHealth ( tigre1 ) 
        guiProgressBarSetProgress(life, tonumber (vida)) 
end 
end 
end 
end 
  
  
function HandleTheRendering() 
        life = guiCreateProgressBar( 0, 0,0, 0, false, nil ) 
addEventHandler("onClientRender",rootElement, PETvida) 
end 
addEventHandler("onBotSpawned",rootElement, HandleTheRendering)

Now you only need to send the element to the client like this:

client:

local clientElement = nil 
  
addEvent ( "get:element", true ) 
addEventHandler ( "get:element", root, function(element) 
clientElement = element 
end)

Server:

Lped = createPed ( 0,0,0,1) 
  
function sendServer(playerToSendTo) 
triggerClientEvent (playerToSendTo, "get:element", root, Lped ) 
end

This will send the server element "Lped" to the client, in that way you can check his health.

If you need explanation with these functions tell it here.

But dx rectangles will look nicer, and it it's faster for a client pc.

Regards,

Danny

I doubt it'll be 3D, plus, using dxDrawRectangle looks a lot better.

50p · August 17, 2013

@SolidSnake,

It depends what do you mean by 3D. Since dxDrawRectangle draws just a rectangle but moves around the screen and resizes depending on distance, it can be done the same with progress bars.

@|H|TiTanium,

Have a look in the source code: https://community.multitheftauto.com/in ... ils&id=234

I used the dxDrawRectangle to draw health bars.

|H|TiTanium · August 17, 2013

I'm gonna give a check, thank you

Castillo · August 17, 2013

@SolidSnake,
It depends what do you mean by 3D. Since dxDrawRectangle draws just a rectangle but moves around the screen and resizes depending on distance, it can be done the same with progress bars.

Oh well, I thought it wasn't the same.

|H|TiTanium · August 17, 2013

@SolidSnake,
It depends what do you mean by 3D. Since dxDrawRectangle draws just a rectangle but moves around the screen and resizes depending on distance, it can be done the same with progress bars.

@|H|TiTanium,

Have a look in the source code: https://community.multitheftauto.com/in ... ils&id=234

I used the dxDrawRectangle to draw health bars.

I'm using slothbot, so I didn't understand half thing you have made, I'm not that expert as you see .-.

Also, I didn't get what denny said, he told me to overwrite/replace/edit something while everything seems to be done for me, probably I'm forgetting something, so this is what I got, and stil the same, Nothing works, no rectangle, and not even ped's health.

Client:

local x, y = guiGetScreenSize() 
local tigre1 = nil 
  
addEventHandler("onClientRender",getRootElement(), 
function () 
if ( isElement ( tigre1 ) ) then 
local mx, my, mz = getElementPosition(tigre1) 
local mcx, mcy, mcz = getCameraMatrix() 
if isLineOfSightClear ( mcx , mcy, mcz, mx, my, mz, true, false, false, true, false, true, false, getLocalPlayer ( )) then 
local x1,y1,z1 = getElementPosition (getLocalPlayer()) 
local x2,y2,z2 = getElementPosition (tigre1) 
local visibleto = getDistanceBetweenPoints3D(x1,y1,z1,x2,y2,z2) 
if visibleto < 75 then 
local sx,sy = getScreenFromWorldPosition ( x2,y2,z2+1.45 ) 
if sx and sy then 
if y/102-visibleto/5 > 0 then 
dxDrawRectangle ( sx-x/14/2+visibleto/2, sy+y/25-visibleto/3, x/14-visibleto,y/146.3-visibleto/10, tocolor(0,0,0,245) ) 
if getElementHealth(tigre1) > 1 then 
dxDrawRectangle ( sx-x/14/2+visibleto/2, sy+y/25-visibleto/3, x/14*getElementHealth(tigre1)/100-visibleto,y/146.3-visibleto/10, tocolor(190,0,0,245) ) 
end 
end 
end 
end 
end 
end 
end) 
  
  
  
addEvent ("get:element",true) 
addEventHandler ( "get:element", root, 
function (element) 
tigre1 = element 
outputChatBox ( "element" ) 
end) 
  
  
addEventHandler ( "onClientResourceStart", resourceRoot, function() 
triggerServerEvent ( "ped:clientready", getLocalPlayer(), getLocalPlayer() ) 
end)

Server side:

function sendServer(playerToSendTo) 
triggerClientEvent (playerToSendTo, "get:element", root, tigre1 ) 
end 
addEvent ( "ped:clientready", true ) 
addEventHandler ( "ped:clientready", root, sendServer )

|H|TiTanium · August 18, 2013

Anyone here to tell me what is wrong above ?

Ps.: sorry for double post.

Having problems, please a good scripter

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