Distance to the hunter.

proracer · March 12, 2011

Hello guys.I have recently made script which calculates distance to the hunter .. but the problem is that it gets buggy when next map/s start (it duplicates again).

I have already tried removing text when player dies but still nothing, please help.

function distToHunter ( ) 
    dxDrawText ("Distance To Hunter:",1199.0,1025.0,1405.0,1044.0,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                local hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
                local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
                dxDrawText( distFromVehicleToHunter .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) -- Draw it on the screen (gets buggy when new map starts) 
            end 
        end 
    end 
end 
  
addEventHandler ( "onClientRender", root, distToHunter ) 
  
function destroyDXText ( ) 
    removeEventHandler ( "onClientRender", root, distToHunter ) -- Force to remove it when player dies 
end 
  
addEventHandler ( "onClientPlayerWasted", getLocalPlayer ( ), destroyDXText )

Edit: Now it doesn't duplicate text but the text just wont appear on screen when next map starts.

Castillo · March 12, 2011

What about, adding the event when a map starts, and remove it when it stops the map?

proracer · March 12, 2011

I have done that already.

Here is new code:

addEvent("onClientMapStarting") 
addEvent("onClientMapStopping") 
function distToHunter ( ) 
    dxDrawText ("Distance To Hunter:",1199.0,1025.0,1405.0,1044.0,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                local hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
                local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
                dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) -- Draw it on the screen (gets buggy when new map starts) 
            end 
        end 
    end 
end 
  
addEventHandler ( "onClientRender", root, distToHunter ) 
addEventHandler ( "onClientMapStarting", getLocalPlayer ( ), distToHunter ) 
  
function destroyDXText ( ) 
    removeEventHandler ( "onClientRender", root, distToHunter ) -- Force to remove it when player dies 
end 
  
addEventHandler ( "onClientMapStopping", getLocalPlayer ( ), destroyDXText )

Castillo · March 12, 2011

And? does the event get's killed?

proracer · March 12, 2011

Well ... the text won't appear when new map is started.

proracer · March 12, 2011

Sorry for double post, its buggy now only when it start other map but not the same as loaded the one before.

I used race element data 's but I don't know if I used correctly because I can't found anywhere how it's called and what are their values...

--[[ 
  
                ** Distance To Hunter v1.0 - Made by Pr0RaC3R ** 
  
--]] 
  
  
  
function distToHunter ( ) 
    dxDrawText ("Distance To Hunter:",1199.0,1025.0,1405.0,1044.0,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                local hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
                local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
                dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) -- Draw it on the screen and format it to output without decimals 
            end 
        end 
    end 
end 
  
addEventHandler ( 'onClientRender', root, distToHunter ) 
  
--[[ 
  
- More simpler way is to just recreate it again with calling function again 
  
--]] 
  
function recreateDXText ( ) 
    if (getElementData (getLocalPlayer( ), 'race.LoadingMap') == 'true') then 
        distToHunter ( ) 
    end 
end 
  
addEventHandler ( 'onClientElementDatachange', root, recreateDXText )

Citizen · March 12, 2011

How can you see that the text is duplicate ?

Could you show us a little screen please ?

proracer · March 12, 2011

Sure...

Works (not duplicated) :

Doesn't work (duplicated) :

Citizen · March 12, 2011

Oh I found the problem I think :

In your loop, the client found a second pickup which changes the vehicle to an hunter.

So you have to destroy the pickup of the previous map ( If this pickup was not destroyed )

Or destroy all pickups which changes the vehicle to an hunter before each new maps.

proracer · March 12, 2011

--[[ 
  
                ** Distance To Hunter v1.0 - Made by Pr0RaC3R ** 
  
--]] 
  
  
addEvent('onClientMapStarting') 
addEvent('onClientMapStopping') 
  
function distToHunter ( ) 
    dxDrawText ("Distance To Hunter:",1199.0,1025.0,1405.0,1044.0,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                local hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
                local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
                dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) -- Draw it on the screen and format it to output without decimals 
            end 
        end 
    end 
end 
  
function handleRender ( ) 
    addEventHandler ( 'onClientRender', root, distToHunter ) 
end 
  
addEventHandler ( 'onClientMapStarting', root, handleRender ) 
  
function delRender ( ) 
    removeEventHandler ( 'onClientRender', root, distToHunter ) 
end 
  
addEventHandler ( 'onClientMapStopping', root, delRender )

Shouldn't this delete text after map finished and then create it when map starts again? But it doesn't work .. still duplicates text (look my above post)

Edit: Citizen, thx .. I will try it.

proracer · March 12, 2011

Sorry for double post, but I found the problem that if there are more than 1 hunter pickup it duplicates text so how can I just retrieve position of 1 hunter pickup?

H5N1 · March 12, 2011

addEvent('onClientMapStarting') 
addEvent('onClientMapStopping') 
  
hunterX, hunterY, hunterZ = 0,0,0 
  
function loadHunterPosition () 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                break 
            end 
        end 
    end 
end 
  
function drawDistance ( ) 
    local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
    local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
    dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) 
end 
  
function handleRender ( ) 
    loadHunterPosition () 
    addEventHandler ( 'onClientRender', root, drawDistance ) 
end 
  
addEventHandler ( 'onClientMapStarting', root, handleRender ) 
  
function delRender ( ) 
    removeEventHandler ( 'onClientRender', root, drawDistance ) 
end 
  
addEventHandler ( 'onClientMapStopping', root, delRender )

Citizen · March 12, 2011

but I found the problem that if there are more than 1 hunter pickup it duplicates text

What ?! YOU found the problem ? I never said that before you ??

You should say:

Citizen you right, I tested and when there are 2 hunter pickups, the text is duplicated

Yeah H5N1 or just add your break here ( the full code ):

    --[[ 
  
                ** Distance To Hunter v1.0 - Made by Pr0RaC3R ** 
  
--]] 
  
  
  
function distToHunter ( ) 
    dxDrawText ("Distance To Hunter:",1199.0,1025.0,1405.0,1044.0,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                local hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
                local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
                dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) -- Draw it on the screen and format it to output without decimals 
                break 
            end 
        end 
    end 
end 
addEventHandler ( 'onClientRender', root, distToHunter ) 
  
--[[ 
  
- More simpler way is to just recreate it again with calling function again 
  
--]] 
  
function recreateDXText ( ) 
    if (getElementData (getLocalPlayer( ), 'race.LoadingMap') == 'true') then 
        distToHunter ( ) 
    end 
end 
addEventHandler ( 'onClientElementDatachange', root, recreateDXText )

@proracer: Be careful next time I really hate that

proracer · March 12, 2011

Sorry, Citizen I understood your post somehow different but yeah it works thx dudes!

+1 Lua XP

H5N1 · March 13, 2011

but I found the problem that if there are more than 1 hunter pickup it duplicates text

What ?! YOU found the problem ? I never said that before you ??

You should say:

Citizen you right, I tested and when there are 2 hunter pickups, the text is duplicated

Yeah H5N1 or just add your break here ( the full code ):

    --[[ 
  
                ** Distance To Hunter v1.0 - Made by Pr0RaC3R ** 
  
--]] 
  
  
  
function distToHunter ( ) 
    dxDrawText ("Distance To Hunter:",1199.0,1025.0,1405.0,1044.0,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                local hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
                local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
                dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",1426.0,1026.0,1554.0,1045.0,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) -- Draw it on the screen and format it to output without decimals 
                break 
            end 
        end 
    end 
end 
addEventHandler ( 'onClientRender', root, distToHunter ) 
  
--[[ 
  
- More simpler way is to just recreate it again with calling function again 
  
--]] 
  
function recreateDXText ( ) 
    if (getElementData (getLocalPlayer( ), 'race.LoadingMap') == 'true') then 
        distToHunter ( ) 
    end 
end 
addEventHandler ( 'onClientElementDatachange', root, recreateDXText )

@proracer: Be careful next time I really hate that

Yeah but i optimize this code. Now script doesnt get hunter position every frame.

Citizen · March 13, 2011

Yeah good idea

proracer · March 13, 2011

Sorry if I'm so annoying but there is some small problem about DX Text and Image, player's are reporting that text and image are in mess (because of their resolution), I used frequently used method with optimizing text and image for every resolution but still nothing.

So the conclusion: Problem is that people see text and image in wrong position that it needs to be...

Here is the code:

Important lines: 30-37

--[[ 
  
                ** Distance To Hunter v1.0 - Made by Pr0RaC3R ** 
                ** Special credits to Citizen & H5N1 from MTA Forum for helping me with some issues! ** 
--]] 
  
  
addEvent('onClientMapStarting') 
  
hunterX, hunterY, hunterZ = 0,0,0 
local sWidth,sHeight = guiGetScreenSize ( ) 
  
function loadHunterPosition () 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                break 
            end 
        end 
    end 
end 
  
function drawDistance ( ) 
    loadHunterPosition ( ) 
    local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
    local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
    dxDrawText ("Distance To Hunter:",sWidth-721,sHeight-55,sWidth-515,sHeight-36,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    dxDrawImage( 
    (sWidth-699), 
    (sHeight-31), 
    (265), 
    (30), 
    "images/DistToHunter-Logo.png",0.0,0.0,0.0,tocolor(255,255,255,255),false) 
    dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",sWidth-494,sHeight-54,sWidth-366,sHeight-35,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) 
end 
  
function handleRender ( ) 
    addEventHandler ( 'onClientRender', root, drawDistance ) 
end 
  
addEventHandler ( 'onClientMapStarting', root, handleRender ) 
  
function delRender ( ) 
    removeEventHandler ( 'onClientRender', root, drawDistance ) 
end 
  
addEventHandler ( 'onClientPlayerWasted', getLocalPlayer(), delRender ) 
  
function delRenderForDeath ( ) 
    if ( getElementHealth ( getLocalPlayer() ) == '0' ) then 
        removeEventHandler ( 'onClientRender', root, drawDistance ) 
    end 
end

Citizen · March 13, 2011

Of course, if you make like this:

sWidth-494, you backward the text from 494 pixels, and 494 pixels are not the same in 1366*768 and 800*600 do you understand ?

I made a converter for this problem, but I need your resolution when you make this script ( the MTA resolution of course ).

proracer · March 13, 2011

My resolution is 1920 x 1080.

Citizen · March 13, 2011

in MTA ?! because I need the MTA resolution, not you computer resolution .

It's 1920 x 1080 ?

( I make the converter until your answer )

proracer · March 13, 2011

Yes, I use 1920 x 1080 resolution in MTA if you mean that.

Citizen · March 13, 2011

good resolution

I make the converter ( I will finish it in 10 min I think )

Citizen · March 13, 2011

Ok I finished this is the full code:

--[[ 
  
                ** Distance To Hunter v1.0 - Made by Pr0RaC3R ** 
                ** Special credits to Citizen & H5N1 from MTA Forum for helping me with some issues! ** 
--]] 
  
  
addEvent('onClientMapStarting') 
  
hunterX, hunterY, hunterZ = 0,0,0 
local sWidth,sHeight = guiGetScreenSize ( ) 
  
function loadHunterPosition () 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
                break 
            end 
        end 
    end 
end 
  
function drawDistance ( ) 
    local x, y, sx, sy 
    loadHunterPosition ( ) 
    local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
    local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
    x, y = AbsoluteToRelativ(1920-721, 1080-55) 
    sx, sy = AbsoluteToRelativ( 1920-515,1080-36 ) 
    dxDrawText ("Distance To Hunter:",x, y, sx, sy,tocolor(0,252,255,255),0.6,"bankgothic","left","top",false,false,false) -- Create DX Text 
    x, y = AbsoluteToRelativ(1920-699, 1080-31) 
    sx, sy = AbsoluteToRelativ( 265, 30 ) 
    dxDrawImage( x, y, sx, sy,"images/DistToHunter-Logo.png",0.0,0.0,0.0,tocolor(255,255,255,255),false) 
    x, y = AbsoluteToRelativ(1920-494, 1080-54) 
    sx, sy = AbsoluteToRelativ( 1920-366,1080-35 ) 
    dxDrawText( string.format("%.0f",distFromVehicleToHunter) .. " m ",x, y, sx, sy,tocolor(252,160,15,255),0.5,"bankgothic","left","top",false,false,false) 
end 
  
function handleRender ( ) 
    addEventHandler ( 'onClientRender', root, drawDistance ) 
end 
  
addEventHandler ( 'onClientMapStarting', root, handleRender ) 
  
function delRender ( ) 
    removeEventHandler ( 'onClientRender', root, drawDistance ) 
end 
  
addEventHandler ( 'onClientPlayerWasted', getLocalPlayer(), delRender ) 
  
function delRenderForDeath ( ) 
    if ( getElementHealth ( getLocalPlayer() ) == '0' ) then 
        removeEventHandler ( 'onClientRender', root, drawDistance ) 
    end 
end 
  
function AbsoluteToRelativ( X, Y ) -- this coverter transforms the gui position and size for the resolution of the player  
    local rX, rY = guiGetScreenSize() 
    local x = math.floor(X*rX/1920) 
    local y = math.floor(Y*rY/1080) 
    return x, y  
end

Not tested but I think it works

H5N1 · March 13, 2011

sWidth,sHeight = guiGetScreenSize () 
textX, textY = 0,100 
textSX, textSY = 2, 102 
outputChatBox (tostring(textSY)) 
imgX, imgY = sWidth / 2 - 265 / 2, sHeight / 2 - 30 / 2 
hunterX, hunterY, hunterZ = 0,0,0 
  
addEvent("onClientMapStarting", true) 
     
function startRendering ( ) 
    loadHunterPosition () 
end 
addEventHandler ( "onClientMapStarting", getRootElement(), startRendering ) 
  
function delRender ( ) 
    removeEventHandler ( "onClientRender", getRootElement(), drawDistance ) 
end 
addEventHandler ( "onClientPlayerWasted", getLocalPlayer(), delRender ) 
  
function loadHunterPosition () 
    for _,e in pairs ( getElementsByType ( "racepickup") or {} ) do -- Loop through race pickup elements (nitro, repair, vehiclechange) 
        local t = getElementData (e, "type") 
        if t and t == "vehiclechange" then 
            local v = getElementData (e,"vehicle") 
            if v and tonumber(v) == 425 then -- If it finds hunter pickup... 
                hunterX, hunterY, hunterZ = getElementPosition ( e ) -- Get hunter position 
            end 
        end 
    end 
end 
  
function drawDistance ( ) 
    local playerX, playerY, playerZ = getElementPosition ( getLocalPlayer( ) ) -- Get player position 
    local distFromVehicleToHunter = getDistanceBetweenPoints3D ( playerX, playerY, playerZ, hunterX, hunterY, hunterZ ) -- Calculate distance 
    dxDrawText ("Distance To Hunter: " .. tostring(string.format("%.0f",distFromVehicleToHunter)) .. "m ",textSX, textSY, sWidth, 200,tocolor(0,0,0,255),0.6,"bankgothic","center","center",false,false,false) 
    dxDrawText ("Distance To Hunter: " .. tostring(string.format("%.0f",distFromVehicleToHunter)) .. "m ",textX, textY, sWidth, 200,tocolor(0,252,255,255),0.6,"bankgothic","center","center",false,false,false) 
end 
addEventHandler ( "onClientRender", getRootElement(), drawDistance )

optimized. Added shadow to text.

Edited March 13, 2011 by Guest

12p · March 13, 2011

... Fail.

Distance to the hunter.

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