Allegro in Headers

Allegro in Headers

SkaxCo

Member #8,323

February 2007

I'm working on my program when all of a sudden...it doesn't build. I mess around, and find out it can't include allegro.h in my header file BUT! its been working fine for ages. It also works in the main body of the program. It is really annoying...anyone know why it would work in main but not in a header?

kazzmir

Member #1,786

December 2001

post the error

SkaxCo

Member #8,323

February 2007

Now it isn't working in main() either...
alleg.lib is included.

Unhandled exception at 0x10028b32 in Dodge III.exe: 0xC0000005: Access violation reading location 0x0000001c.

kazzmir

Member #1,786

December 2001

You have a segfault or some other exception. This has nothing to do with including allegro.h in your game. You are using memory in an incorrect way or something similar.

SkaxCo

Member #8,323

February 2007

Hold on, I'll show you the code that is in the program:

1//============================================
2//Don't hit anything
3//SkaxCo Productions, 2007
4//============================================
5/*INCLUDES*/
6#include <allegro.h>
7/*FUNCTION PROTOTYPES*/
8void allegro_startup();
9int game();
10void game_setup();
11/*FUN-NESS*/
12BITMAP *buffy;
13int main(){
14  allegro_startup();
15  game_setup();
16  int cont = 1;
17  while(cont == 1){
18    cont = game();
19  }
20  return 0;
21}END_OF_MAIN()
22void allegro_startup(){
23    int ret;
24    allegro_init(); 
25    install_keyboard(); 
26  install_mouse();
27  install_timer();
28    set_color_depth(desktop_color_depth());
29  //                                         XSize,Ysize
30    ret = set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640,   510, 0, 0);
31    if (ret != 0){
32    allegro_message(allegro_error);
33  }
34}
35int game(){
36  while(!key[KEY_ESC]){
37    rest(20);
38    blit(buffy, screen, 0, 0, 0, 0, 640, 510);
39  }
40  return 1;
41}
42void game_setup(){
43  rectfill(buffy, 0, 0, SCREEN_W, SCREEN_H, makecol(64,64,64));
44  rectfill(buffy, 5, 5, 634, 475, makecol(220,220,220));
45  rectfill(buffy, 5, 485, 634, 505, makecol(128,256,200));
46}

X-G

Member #856

December 2000

buffy isn't created anywhere.

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SkaxCo

Member #8,323

February 2007

/*FUN-NESS*/
BITMAP *buffy;

Oh! Yeah! In the header buffy = creat_bitm....

Now it returns:

Unhandled exception at 0x1002061b in Dodge III.exe: 0xC0000005: Access violation reading location 0x00000038.

THe only difference in code is:
BITMAP *buffy = create_bitmap(640,510);

X-G

Member #856

December 2000

... wait, what? In a header? No.

SkaxCo

Member #8,323

February 2007

Nonono there is no header anymore.
But it still doesnt work.
OK: it works if I take out buffy. WHy?

Steve Terry

Member #1,989

March 2002

Quote:

OK: it works if I take out buffy. WHy?

... because she's a vampire slayer?

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julian_boolean

Member #8,201

January 2007

Kinda ironic that the Wikipedia's featured article is Buffy the Vampire Slayer.

SkaxCo

Member #8,323

February 2007

...
buffy was a bitmap that I was going to use as a buffer.
WHen I don't create it, just take the line of code out, it runs fine.

Jonatan Hedborg

Member #4,886

July 2004

Where do you create your "buffy"?

If you change your code, specify what you have changed exactly (or even better, post it again, with the changes).