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DeveloperX
202192397
Joined: 04 May 2003
Posts: 1626
Location: Decatur, IL, USA
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 Posted: Wed May 14, 2003 11:18 pm Post subject: MSVC++ and Allegro - Trouble With Mandrake's Tut....... |
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This topic is direct mainly at Mandrake, since this is HIS tutorial I'm trying to follow.
Though, if anyone else can help, I'd appreciate it.
The tutorial I'm trying to follow is located at
http://www.pixelate.co.za/issues/9/articles/begin/article.html
I've got MSVC6, and Allegro4xx (whatever is the latest version)
I've got it installed properly, and I've linked to the alleg.lib file.
I've made 4 pcxfiles, Tile0.PCX, Tile1.PCX, Tile2.PCX, Char0.PCX
to be the graphics that are talked about in tht tut (renamed for ease of expansion)
I clicked compile.. ok, 0 errors, 0 warnings...
Run mandrakerpg.exe ...
Draws all the tiles all weird colors (cannot figure out why)
I had to HEAVILY MODIFY the code from the tutorial to get it to compile.
Such as the lack of enough parameters for blit(), and missing semicolons.
And fixing the directions to move the sprite the right way.
It doesn't draw the sprite correctly, the colors are messed up,
I cannot move all over the map without the program crashing,
etc..
Anyway, it is all screwed up, I'm uploading the exe, and *pcx files and the map file. for you to see what I mean,
http://developerx.ccps.ish.biz/allegrorpg.zip
Someone please give me a hand.
source is exact as the tutorial, except for the syntax errors that I fixed to get it to compile.
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akOOma
Wandering Minstrel
Joined: 20 Jun 2002
Posts: 113
Location: Germany
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| Posted: Thu May 15, 2003 1:12 pm Post subject: |
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You don't refresh the background, do you?
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DeveloperX
202192397
Joined: 04 May 2003
Posts: 1626
Location: Decatur, IL, USA
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| Posted: Thu May 15, 2003 9:38 pm Post subject: |
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nevermind.
Heh, I started my own base project, and I've solved all my
problems, except for loading a mapfile (which Bjorn is helping me with)
Anyway, for anyone else, here is the solution:
IMHO, DONT USE MANDRAKE'S TUTORIAL CODE.
It doesn't compile, it is inefficient, and it is sloppy.
(sorry mandrake, but I couldn't follow your tutorial very well)
Well, Expect a walk-around demo in the next few days..
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akOOma
Wandering Minstrel
Joined: 20 Jun 2002
Posts: 113
Location: Germany
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| Posted: Fri May 16, 2003 12:37 pm Post subject: |
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Ok,.., I'm looking forward to play this demo...will you give the source code out with the game or not...I'd be interested in looking at it..
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DeveloperX
202192397
Joined: 04 May 2003
Posts: 1626
Location: Decatur, IL, USA
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| Posted: Sat May 17, 2003 4:14 pm Post subject: |
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| akOOma wrote: | | Ok,.., I'm looking forward to play this demo...will you give the source code out with the game or not...I'd be interested in looking at it.. |
well, I built the demo from this source (of course there is no game stuff in it, or any of the allegro stuff added, this is just the shell code that I wrote.)
If you want the actual source to the demo, email me at
ccps@SoftHome.net
I've got a 'funny' little walk-around demo done.. (like I said,)
For anyone that doesn't know what to do:
Extract game2.exe, and the data folder into a folder on your harddrive (KEEP THE FOLDER HIERARCHY)
run game2.exe, and press ENTER when you see the titlescreen,
and press any key to start the demo.
To exit the demo, press ESC on the map, and at the gameover screen.
To 'talk' to objects, press SPACEBAR. (try it all over the place!)
Well, I'll be adding some 'RPG' elements soon (most likely this weekend) like HP, MP, and dangerous terrain tiles (aka, poison grass aka Final Fantasy V)
and hopefully animated tiles, if I can figure them out. :p
anyway, url for walkaround demo:
http://developerx.ccps.ish.biz/tw000.zip
and RPG classes that I've made:
http://developerx.ccps.ish.biz/rpgclass.zip
oh, and tutorials for beginner programmers:
http://developerx.ccps.ish.biz/alltut.zip
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akOOma
Wandering Minstrel
Joined: 20 Jun 2002
Posts: 113
Location: Germany
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| Posted: Sun May 18, 2003 6:14 pm Post subject: |
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Nice 'lil demo...but I expected more than that by using Allegro
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DeveloperX
202192397
Joined: 04 May 2003
Posts: 1626
Location: Decatur, IL, USA
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| Posted: Mon May 19, 2003 3:27 am Post subject: |
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| akOOma wrote: | | Nice 'lil demo...but I expected more than that by using Allegro |
I've never used allegro before.
I only spent 3-4 hours total coding that demo.
I'm rewriting the engine currently, to more encapsulate the tiling routines into a class, rather than ten - twenty functions lingering around my sourcecode. :p
I've made a tile class, but I'm having runtime general protection fault errors, when exiting the game now.
This is my tileclass:
| Code: |
class CTileTyp
{
private:
BITMAP * TileImage;
int frame_count;
bool obstructive;
public:
CTileTyp ();
~CTileTyp ()
{
frame_count = 0;
destroy_bitmap (TileImage);
}
void Load (const char * tilefile, PALETTE tpal)
{
TileImage = load_bitmap (tilefile, tpal);
}
void Draw (BITMAP* drawing_surface, int x, int y)
{
blit(TileImage, drawing_surface, 0, 0, x, y, TileImage->w, TileImage->h);
}
};
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do you see any problems here?
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Bjorn
Demon Hunter
Joined: 29 May 2002
Posts: 1425
Location: Germany
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| Posted: Mon May 19, 2003 7:58 am Post subject: |
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- Check whether the loading of the tile bitmap is succesfull in the Load method.
- Initialize frame_count to 0 and TileImage to NULL in the constructor.
- Before destroying the bitmap, you might want to check if it even exists.
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DrunkenCoder
Demon Hunter
Joined: 29 May 2002
Posts: 559
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| Posted: Mon May 19, 2003 8:17 am Post subject: |
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you should check the return value from load_bitamp also be sure
to not double delete tiles also check so that you don't accidently
refrence them after they've been deleted.
Actually, witout knowing more about the sourinding code it's hard
to diagnose the problem, given that it runs until quit-time
I would try just removing the delete_bitmap call to see if
that fixes things, if that do fix it then you most probably have
a double delete bug or you're trying to refrence a dead object
else well else something else is blowing up =)
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mandrake*rpgdx
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| Posted: Tue May 20, 2003 7:12 pm Post subject: |
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yeah the code in that tutorial sucked...but meh, it was written as a favor, and I had a few people check the code, but I guess they were lazy and lied to me about it working. Either way, though, no reason to be pissy. Blame pixelation for actually putting it up without checking it either.
It sucks, but big whoop.
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DeveloperX
202192397
Joined: 04 May 2003
Posts: 1626
Location: Decatur, IL, USA
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| Posted: Wed May 21, 2003 2:37 am Post subject: |
[quote] |
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| mandrake*rpgdx wrote: | yeah the code in that tutorial sucked...but meh, it was written as a favor, and I had a few people check the code, but I guess they were lazy and lied to me about it working. Either way, though, no reason to be pissy. Blame pixelation for actually putting it up without checking it either.
It sucks, but big whoop. |
Didn't mean to offend you.
Sorry.
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mandrake*rpgdx
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| Posted: Sun Jun 08, 2003 7:58 pm Post subject: |
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naw, no offense taken. I'm glad the first one sucked, i leanred from it's mistakes, and now, hopefully the book i'm working on will actually be good :)
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