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Lua Questions
http://45.55.195.193/viewtopic.php?f=73&t=15155		 Page 1 of 1
Author:  DSMK2 [ Wed Jun 03, 2009 8:38 am ]
Post subject:  Lua Questions
Since I don't get this language at all, this is my code for the DSTech Gold Generator, what exactly am I doing wrong?

Code:
function Create(self)
--Do nothing :|

end

function Update(self)
   
   Addfunds = 0;
   while self.isDead == false do
      Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
      ActivityMan:GetActivity():SetTeamFunds(Addfunds+10, 0);
   end
   
end


And does "~=" equals "!="?
Author:  Geti [ Wed Jun 03, 2009 8:41 am ]
Post subject:  Re: Lua Questions
Code:
function Create(self)
   self.Addfunds = 0;

end

function Update(self)

   while self.isDead == false do
      self.Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
      ActivityMan:GetActivity():SetTeamFunds( self.Addfunds + 10 ), self.Team);
   end
   
end
should work.

edit: also, yes ~= is the lua "does not equal".
Author:  DSMK2 [ Wed Jun 03, 2009 8:52 am ]
Post subject:  Re: Lua Questions
The gold doesn't seem to be incrementing in-game though, should I try switching to timer based?
Author:  Geti [ Wed Jun 03, 2009 8:55 am ]
Post subject:  Re: Lua Questions
yeah, almost certainly.
Code:
function Create(self)
   self.Addfunds = 0;
   self.cashtimer = Timer();

end

function Update(self)

   if self.cashtimer:IsPastSimMS(500) then
      self.Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
      ActivityMan:GetActivity():SetTeamFunds( self.Addfunds + 10 ), self.Team);
   end
   
end
that one should be a lot better. while loops like that one you had would have locked the game up while they were actually running though, so they should be done away with. i cant believe i missed it before.
Author:  Daman [ Wed Jun 03, 2009 11:28 am ]
Post subject:  Re: Lua Questions
DSMK2 wrote:
Since I don't get this language at all, this is my code for the DSTech Gold Generator, what exactly am I doing wrong?

Code:
function Create(self)
--Do nothing :|

end

function Update(self)
   
   Addfunds = 0;
   while self.isDead == false do
      Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
      ActivityMan:GetActivity():SetTeamFunds(Addfunds+10, 0);
   end
   
end


And does "~=" equals "!="?


Hey Geti.

Stop posting.

DSMK, yes, that is what ~= is.
Code:
function Create(self)
--Do nothing :|

end

function Update(self)
   
   Addfunds = 0;
   while self.isDead == false do
      Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
      ActivityMan:GetActivity():SetTeamFunds(Addfunds+10, 0);
      Addfunds = Addfunds + 1;
   end
   
end


That really ought to work. You just weren't incrementing Addfunds, so it'd constantly set your gold to 10. Then again, you may want to change SetTeamFunds' second argument, the 0, to self.Team if this is on an actor. That'd guarantee that the actor sets his team's money and not just team 0.

But if you're not telling me what error you're getting, I can't really help any more than that.

Actually, you really don't need a while loop at all. This would be more proper--

Code:
function Create(self)
   Addfunds = 0;
end

function Update(self)
   if self.isDead then return true end
   Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
   ActivityMan:GetActivity():SetTeamFunds(Addfunds+10, 0);
end


And then when you test that out, you'd probably want to prefix Addfunds with self. as well, so you can have more than one on the field.
Author:  Geti [ Wed Jun 03, 2009 11:48 am ]
Post subject:  Re: Lua Questions
ohkay, with some actual testing, heres code that works. i failed at some unclosed brackets. >_<
note to all involved, it makes your money go up pretty fast.

Code:
function Create(self)
   self.Addfunds = 0;
   self.cashtimer = Timer();
end

function Update(self)
   if self.cashtimer:IsPastSimMS(500) then
      self.Addfunds = ActivityMan:GetActivity():GetTeamFunds(self.Team);
      ActivityMan:GetActivity():SetTeamFunds( ( self.Addfunds + 10 ), self.Team);
      self.cashtimer:Reset()
   end
end


also, he didnt need to increment addfunds because it was already using the new value grabbed from GetTeamFunds(), which had ten added onto it from last time.
Author:  DSMK2 [ Wed Jun 03, 2009 1:45 pm ]
Post subject:  Re: Lua Questions
Thanks, is there anyway for an object to check distance from ground via lua?

For function calls, its:
<object name>:<functioname>();
Not like:
<object name>.<functionname>();
Right?

And I don't need to declare variable types? Not only that, cc only "uses" two functions, create and update? Update is constantly used after the object is created?
Author:  Geti [ Wed Jun 03, 2009 2:09 pm ]
Post subject:  Re: Lua Questions
yeah there is. im using it in the jump code for my zombies.
Code:
SceneMan:FindAltitude(self.Pos,<MAXIMUM HEIGHT TO CHECK>,<DISTANCE BETWEEN PIXELS WHEN CHECKING>)
there is also a Destroy(self) function, for when an object is destroyed. and no you dont need to declare variable types, unless you are constructing a vector
Code:
Vector(X,Y)
on top of all that, yes function calls are made with a colon, and variable calls are made with a dot.

EDIT: better code for the first code box. i didnt realise this function existed. woot, optimisation
Code:
self:GetAltitude(<MAXIMUM HEIGHT TO CHECK>,<DISTANCE BETWEEN PIXELS WHEN CHECKING>)
Author:  Grif [ Wed Jun 03, 2009 3:07 pm ]
Post subject:  Re: Lua Questions
Wow I can't believe no one noticed the IsDead was missing capitalization and arguments.
Author:  Geti [ Wed Jun 03, 2009 3:58 pm ]
Post subject:  Re: Lua Questions
you dont need arguments when checking true/false in lua, and a while loop would lock up the game indefinitely.
Author:  DSMK2 [ Wed Jun 03, 2009 5:54 pm ]
Post subject:  Re: Lua Questions
Gah, I'm trying to redo my Cannon SS... With a somewhat crazy recoil-less feature, though I can't figure it out, any help?

so far I'm trying this:
Code:
function Create(self)
   
end

function Update(self)
   if self:IsRecoiled() == true then
      self:SetRecoil((-1)*self.RecoilForce),self.RecoilOffset,true);
   end
end
Author:  Daman [ Wed Jun 03, 2009 7:03 pm ]
Post subject:  Re: Lua Questions
Grif wrote:
Wow I can't believe no one noticed the IsDead was missing capitalization and arguments.


I figured it was isDead because I had to edit my post from IsDead after noticing he had isDead in his original code.
Author:  Geti [ Wed Jun 03, 2009 9:09 pm ]
Post subject:  Re: Lua Questions
DSMK2 wrote:
so far I'm trying this:
on what, the HDFirearm? wont work unless its just lying on the ground, cause they're treated as attachables when an actor is holding them and scripts are (for some reason) disabled on attachables for the moment..
Author:  Grif [ Thu Jun 04, 2009 1:27 am ]
Post subject:  Re: Lua Questions
Geti wrote:
you dont need arguments when checking true/false in lua, and a while loop would lock up the game indefinitely.


if self:IsDead() == true then

You need to specify that there AREN'T arguments.
Author:  Geti [ Thu Jun 04, 2009 5:04 am ]
Post subject:  Re: Lua Questions
i dont see why we're still discussing this, cause the code i posted works.
however, he was checking IsDead as a variable, like self.IsDead which funnily enough is also invalid. which would explain why CC didnt lock up and then crash, as is the nature of while loops that are intended to span across separate frames. but whatever, that issue is all sorted.
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