Overgive parameters

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Overgive parameters #302810 12/22/09 13:40 12/22/09 13:40
Joined: Mar 2007 Posts: 112 MikeS OP Member
MikeS OP Member Joined: Mar 2007 Posts: 112	Ok, im sure, this is a stupid question, but i didnt understand the manuel/workshops about this. Maybe someone can explain to me? ok, i have a funktion, which is called from another funktion like this: Code: function test() { ...... while(1) { if (on_mouse == 1) { calculate_a_var(); } if (calculated_var == 1) { do something; } } } Ok, now i want to calculate a var, and give it back to function test. Code: function calculate_a_var() { var calculated_var calculated_var = 1; } ok, if i wanna overgive the calculated_var to function test. do i need to define the calculated_var in function test too? and if i write function calculate_a_var(calculated_var) this way, is calculated_var overgiven to function test? Thank you for all help. Greetings Mike Last edited by MikeS; 12/22/09 14:36.

Re: Overgive parameters [Re: MikeS] #302814 12/22/09 13:52 12/22/09 13:52
Joined: Nov 2008 Posts: 354 saeculum II MPQ Senior Member
MPQ Senior Member Joined: Nov 2008 Posts: 354 saeculum II	try: return (calculated_var = 11); Last edited by MPQ; 12/22/09 13:52. new project in early stage... Intel Xeon X3450 2,66GHz \| Mushkin 8 Gib \| Zotac GTS250 + 7300LE \| A8.3 com

Re: Overgive parameters [Re: MPQ] #302816 12/22/09 13:56 12/22/09 13:56
Joined: Mar 2007 Posts: 112 MikeS OP Member
MikeS OP Member Joined: Mar 2007 Posts: 112	Ok, but do i need to define the calculated_var in function test to? Greetings Mike

Re: Overgive parameters [Re: MikeS] #302822 12/22/09 15:36 12/22/09 15:36
Joined: May 2009 Posts: 445 Peine, Germany Razoron Senior Member
Razoron Senior Member Joined: May 2009 Posts: 445 Peine, Germany	Make it like this: Code: function test() { var calculated_var; ..... while(1) { if (on_mouse == 1) { } if (calculate_a_var()==1) { do something; } } } You can rename calculated_var with anything. The name doesn't metter. Last edited by Razoron; 12/22/09 15:37. Razgamescity

Re: Overgive parameters [Re: Razoron] #302825 12/22/09 15:54 12/22/09 15:54
Joined: Mar 2007 Posts: 112 MikeS OP Member
MikeS OP Member Joined: Mar 2007 Posts: 112	no, does not work :-( Greetings Mike

Re: Overgive parameters [Re: MikeS] #302836 12/22/09 16:56 12/22/09 16:56
Joined: Nov 2007 Posts: 1,143 United Kingdom DJBMASTER Serious User
DJBMASTER Serious User Joined: Nov 2007 Posts: 1,143 United Kingdom	You can use pointers to make changes to the original var, and not the copy... Code: function calculate_a_var(var* input) { *input= 1; } Now define a local var, and pass its memory address... Code: function test() { var calculated_var = 0; while(1) { if (on_mouse == 1) { calculate_a_var(&calculated_var); } if (calculated_var == 1) { do something; } } }

Re: Overgive parameters [Re: DJBMASTER] #302838 12/22/09 17:00 12/22/09 17:00
Joined: Mar 2007 Posts: 112 MikeS OP Member
MikeS OP Member Joined: Mar 2007 Posts: 112	K, ill try. greetings Mike

Re: Overgive parameters [Re: MikeS] #302862
12/22/09 21:06 12/22/09 21:06

Joined: Feb 2008
Posts: 3,232
Australia

EvilSOB

Expert

EvilSOB

Expert

Joined: Feb 2008
Posts: 3,232
Australia

Code:

function calculate_a_var()
{
   var calculated_var
   ......
   calculated_var = 1;
   ......
   return(calculated_var);
}
//
//
function test()
{
   ......
   var returned_var = 0;
   while(1)
   {
      if (on_mouse == 1)
      {
         returned_var = calculate_a_var();
      }
      if (returned_var == 1)
      {
         do something;
      }
   }
}

OR (with this calculate_a_var)

function test()
{
   ......
   while(1)
   {
      if ( (on_mouse == 1) && (calculate_a_var() == 1) )
      {
         do something;
      }
      wait(1);
   }
}

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Re: Overgive parameters [Re: MikeS] #302948 12/23/09 20:57 12/23/09 20:57
Joined: Sep 2009 Posts: 1,032 Budapest Aku_Aku Serious User
Aku_Aku Serious User Joined: Sep 2009 Posts: 1,032 Budapest	Just a short advice: use the word "pass" instead of "overgive". I stared for a long minute while i understood what do you want. Sorry for the correction.

Re: Overgive parameters [Re: Aku_Aku] #303215 12/26/09 21:45 12/26/09 21:45
Joined: Mar 2007 Posts: 112 MikeS OP Member
MikeS OP Member Joined: Mar 2007 Posts: 112	Hey, thanks EvilSOB, your first example worked very well. Great. Greetings Mike

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