From:	Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: destroy_bitmap in destructor
Organization:	Pin Eight Software http://pineight.8m.com/
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NNTP-Posting-Date:	Mon, 16 Oct 2000 20:44:29 GMT
Distribution:	world
Date:	Mon, 16 Oct 2000 20:44:29 GMT
To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

On Mon, 16 Oct 2000 22:17:58 +1300, "Edmund Horner"
<ejrh AT paradise DOT net DOT nz> wrote:

>> struct CEnemy
>> {
>>    short int ID;
>>    BITMAP   *sprite;
>>    float     x,
>>              y,
>>              xvel,
>>              yvel;
>>    bool      hit, type;
>>    short int HP, life;
>>
>>    CEnemy(int ID, int a, int b, int function);
>>    ~CEnemy();
>>
>>    void (*draw)(BITMAP *bitmap, CEnemy *e); // pointer to function that
>> draws bullet
>>    bool (*routine)(CEnemy *e);   // pointer to function for updating
>bullet
>>    short int var1, var2, var3, var4;  // uses depend on bullet type
>> }; vector<CEnemy*> E(0);
>
>Since this is quite a complicated struct (constructors, functions, et. al.),
>would it not be better calling it a class?

In C++, class == struct except for the default access level of fields
and methods.
  http://www.cpuniverse.com/archives/1999/mar/c++.html

>> const int GTop = 500;
>> const int GBot = 501;
>>
>> /* Prototypes for enemy behavior
>> ********************************************/
>> bool Test(CEnemy *e);
>>
>> /* Constructor
>> **************************************************************/
>> CEnemy::CEnemy(int ID, int a, int b, int function):
>> x(a), y(b), life(0)
>> {
>
>What this tells me is that your struct is descended from classes x, y, and
>life, and you are calling those constructors!

Not necessarily.  See also
  http://msdn.microsoft.com/msdnmag/issues/0400/c/c0400.asp

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