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mikeem
How do I cheat?
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Joined: 22 Jul 2013
Posts: 6
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 Posted: Mon Jul 22, 2013 1:53 pm Post subject: repaint/clear/destroy d3d script ? |
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Hello everybody,
i use Darkbytes d3d menu example. it works. but when i change the coordinates of any display element and press EXECUTE in that CE LuaEngine window, the new menu is drawn OVER the old version with its old coordinates. the old menu is still visible and wont go away. i then have to close&restart the whole game and CE in order to get rid of the old stuff. what the heck is going on, can someone help/explain?
Bye bye!
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Dark Byte
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Joined: 09 May 2003
Posts: 25296
Location: The netherlands
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| Posted: Mon Jul 22, 2013 2:03 pm Post subject: |
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It sounds like the code in the luaengine window creates sprites and textcontainers instead of just editing the properties of the existing sprites/containers/renderobjects
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mikeem
How do I cheat?
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Joined: 22 Jul 2013
Posts: 6
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| Posted: Mon Jul 22, 2013 2:27 pm Post subject: |
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this is the relevant code:
| Code: | background=createPicture()
bmp=picture_getBitmap(background);
graphic_setHeight(bmp,1)
graphic_setWidth(bmp,1)
c=rasterimage_getCanvas(bmp)
canvas_setPixel(c,0,0,0xFF00FF)
bgtexture=d3dhook_createTexture(background)
bgsprite=d3dhook_createSprite(bgtexture);
d3dhook_sprite_setWidth(bgsprite,50)
d3dhook_sprite_setHeight(bgsprite,50)
d3dhook_renderobject_setX(bgsprite, 10) -- CHANGE HERE TO 110 |
Execute it, then Change the x-coord, press Execute again and you will have 2 boxes. i guess i am too stupid to understand it why it keeps the old one too. my naive expectation was that when i close the LuaEngine window, the script is ended and nothing is drawn any more. or at least some method to remove a running (?) script from memory. any idea how to deal with this? i am not sure if i made myself clear enough 
or is this a kind of bug in the LuaEngine-window function of CE - thats how i interpreted your reply Darkbytes?
Bye bye!
P.S. thx for rapid answer!
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Dark Byte
Site Admin
Reputation: 458
Joined: 09 May 2003
Posts: 25296
Location: The netherlands
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| Posted: Mon Jul 22, 2013 2:33 pm Post subject: |
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when you execute this code
| Code: |
bgsprite=d3dhook_createSprite(bgtexture);
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bgsprite gets replaced by a new sprite (but the old bgsprite still exists)
same for bgtexture
if you skip those two lines when they already exist then it won't recreate them but reuse them
e.g:
| Code: |
if background==nil then
--create them
background=createPicture()
bmp=picture_getBitmap(background);
graphic_setHeight(bmp,1)
graphic_setWidth(bmp,1)
c=rasterimage_getCanvas(bmp)
canvas_setPixel(c,0,0,0xFF00FF)
bgtexture=d3dhook_createTexture(background)
bgsprite=d3dhook_createSprite(bgtexture);
end
d3dhook_sprite_setWidth(bgsprite,50)
d3dhook_sprite_setHeight(bgsprite,50)
d3dhook_renderobject_setX(bgsprite, 10) -- CHANGE HERE TO 110
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Do not ask me about online cheats. I don't know any and wont help finding them.
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mikeem
How do I cheat?
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Joined: 22 Jul 2013
Posts: 6
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| Posted: Mon Jul 22, 2013 2:50 pm Post subject: |
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| wunderful it works, thank you.
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mgr.inz.Player
I post too much
 Reputation: 218
Joined: 07 Nov 2008
Posts: 4438
Location: W kraju nad Wisla. UTC+01:00
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| Posted: Mon Jul 22, 2013 3:44 pm Post subject: |
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Its the same with timer, hotkey and memscan object.
You must destroy it.
If you have this code:
| Code: | ...
createHotkey(function,key1,key2)
... |
And you click execute two times, there will be two hotkey objects. This is why many of us, trainer creators using Lua script, use something like this:
| Code: | ...
if myHotkey~=nil then myHotkey.destroy(); myHotkey = nil; end
myHotkey = createHotkey(function,key1,key2)
... |
All new variables are nil by default.
Of course, EXE trainers and CETRAINER trainers don't need that (Lua script is executed once). But, if you re developing new trainer, and you do many tests, it is better to take precautions:
- always assign new objects to variable - all createSometing functions (like: createHotkey, createTimer, createTexture), each of them returns an object you can use with destroy() method.
- check variables, if they are not nil, just destroy object OR
- do not create new object if old still exist
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mikeem
How do I cheat?
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Joined: 22 Jul 2013
Posts: 6
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| Posted: Mon Jul 22, 2013 5:43 pm Post subject: |
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| this is even better advice (hehe) thanks to you as well!
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