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➜ SMAUG
➜ SMAUG coding
➜ life bar
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| Posted by
| Conner
USA (381 posts) Bio
|
| Date
| Reply #15 on Tue 05 Jun 2007 06:28 AM (UTC) |
| Message
| Well, yes, but only a fool thinks he knows it all and refuses an opportunity to further his education when presented rather than blunder blindly. ;)
Yes, C++ and C will both get upset at you when you try to compile if you don't declare a variable to start with, but I didn't notice any variables in his example that weren't declared, I take it that you did? (I also hadn't actually tried it myself either yet.)
I hope that you'll remember to let us know the results of your trial. ;) |
-=Conner=-
--
Come test your mettle in the Land of Legends at telnet://tcdbbs.zapto.org:4000
or, for a little family oriented medieval fun, come join us at The Castle's Dungeon BBS at telnet://tcdbbs.zapto.org
or, if you just want information about either, check our web page at http://tcdbbs.zapto.org | | Top |
|
| Posted by
| David Haley
USA (3,881 posts) Bio
|
| Date
| Reply #16 on Tue 05 Jun 2007 06:33 AM (UTC) |
| Message
|
Quote:
but recently I find out that if you do not declare the variables in the top of the function, c++ will get an error. No; strict C will get upset, but C++ won't. But as Conner says, in any case you need to declare the variable somewhere. (I much prefer C++'s flexibility of letting you declare it where it's relevant.)
If the code I gave you doesn't compile I'd be curious to hear what compiler you're using. I'm using gcc 4.1.2 and it compiles fine; if anything the newer versions are more strict and if it compiles here it should compile on previous versions too. |
David Haley aka Ksilyan
Head Programmer,
Legends of the Darkstone
http://david.the-haleys.org | | Top |
|
| Posted by
| Alkarindil
Brazil (70 posts) Bio
|
| Date
| Reply #17 on Tue 05 Jun 2007 05:14 PM (UTC) Amended on Tue 05 Jun 2007 05:16 PM (UTC) by Alkarindil
|
| Message
| I use Microsoft Visual C++ 6.
I doesn't mean to say that the variables were not declared. I said that in my C++ compiler it *must* be declared in the top! I don't know why! But all the time I declare a variable in the middle of the function, it returns me an error.
For example:
//--
int value(int A, int B){
int C; //in the top
C = A+A;
int D; //in the middle (here is the problem)
D = C+B;
return D;}
//--
It doesn't work.
//--
int value(int A, int B){
int C;
int D;
C = A+A;
D = C+B;
return D;}
//--
Work!
=D | | Top |
|
| Posted by
| Meerclar
USA (733 posts) Bio
|
| Date
| Reply #18 on Tue 05 Jun 2007 06:55 PM (UTC) |
| Message
| | That's seriously odd because I just compiled your code with D in the middle without a hitch. Are you absolutely certain you don't have strict/explicit declaration options enabled? |
Meerclar - Lord of Cats
Coder, Builder, and Tormenter of Mortals
Stormbringer: Rebirth
storm-bringer.org:4500
www.storm-bringer.org | | Top |
|
| Posted by
| David Haley
USA (3,881 posts) Bio
|
| Date
| Reply #19 on Tue 05 Jun 2007 09:25 PM (UTC) |
| Message
| C++ even in MSVS6 does not require variables to be declared at the top by default. I know that for a fact because I have done it over and over again.
It is possible that it is entering C mode in MSVS6 because it sees that your file is .c. Try making it .cpp and seeing what it does. Or tell it to compile in C++ mode -- that's in the options somewhere. |
David Haley aka Ksilyan
Head Programmer,
Legends of the Darkstone
http://david.the-haleys.org | | Top |
|
| Posted by
| Alkarindil
Brazil (70 posts) Bio
|
| Date
| Reply #20 on Wed 06 Jun 2007 08:55 PM (UTC) |
| Message
| David, I think you're right!
I will reinstall MSVS6, my system is having problems because of a virus. Then I will do it. But I believe it is the file as you said! | | Top |
|
| Posted by
| Alkarindil
Brazil (70 posts) Bio
|
| Date
| Reply #21 on Tue 12 Jun 2007 07:27 PM (UTC) Amended on Tue 12 Jun 2007 07:43 PM (UTC) by Alkarindil
|
| Message
| Hi everyone!
Here is the last code I've done.
It's optimized and it's working!
Enjoy!
//--------------------------
/*
Bar Drawning by Alkarindil
Example to print a life bar:
bar_draw(ch->hit,ch->max_hit,ch);
*/
void bar_draw(int A, int B, CHAR_DATA * ch)
{
int percent;
int C;
percent = (A*100)/B;
send_to_pager("[", ch);
for (C = 0; C < 10; C++){
if( percent >= (C*10) ) send_to_pager(">", ch);
else send_to_pager("-", ch);
}
send_to_pager("]", ch);
return;
}
//--------------------------
| | Top |
|
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