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Dark GDK / New User Here

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Justin AnyhowStep
12
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Joined: 17th Jul 2011
Location: Use of uninitialized variable
Posted: 18th Jul 2011 01:19
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Hello, I'm a new user of Dark GDK.
I came across it from a book I borrowed at the library.
Anyways, I've got a few questions (I am new, after all).

Is there a function I can call to get a sound file's size and play-length?
I'm just curious.

Also, is there a limit to the number of sounds I can load?
I know music files have a limit of 32.. And images have.. INT_MAX
(whatever that is, 65,535?)

And has anyone released a pixel-perfect collision system for Dark GDK?

First year student of a game-programming course
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vitinho444
13
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Joined: 12th Oct 2010
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Posted: 18th Jul 2011 11:41
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Im not the right person to say this but Welcome xD

About the first question, i dont know sorry, but you can try this:
Start > All Programas > The Game Creators > DarkGDK > Documentation > Information

Now check if theres something there you can use.

About the second question, i think there's a limit, but really? are you using 9999999999999999999999 sounds at one games? xD

About the third question you can use
dbSpriteCollision(Sprite, Collide with?);

But of course its not a perfect collision system.

So i use this for stactic Sprites:



Just a example of this:

Boat2 Boat
X-----> X<----

Sorry if im too confuse xD

C++ Medium 3.5/5
VB6 Advanced: 4/5
VB.NET Advanced: 4/5
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Mireben
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Joined: 5th Aug 2008
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Posted: 18th Jul 2011 12:07
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There were experiments earlier for pixel-perfect collision, and also "vector collision". I haven't tested either (being more interested in 3D stuff than 2D) but I will post the threads here, I hope they will be useful to you.

http://forum.thegamecreators.com/?m=forum_view&t=168243&b=22

http://forum.thegamecreators.com/?m=forum_view&t=168273&b=22

http://forum.thegamecreators.com/?m=forum_view&t=138964&b=22

http://forum.thegamecreators.com/?m=forum_view&t=173339&b=22
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Justin AnyhowStep
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Joined: 17th Jul 2011
Location: Use of uninitialized variable
Posted: 19th Jul 2011 18:30
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@Mireben
Thanks, xbandages' collision system works fine (As far as I can tell)

@vitinho
I just wanted to know if there was an upper limit because I'm too lazy to keep track of which instances of objects in my game use which sounds and sprites.

So, I have added an additional layer of abstraction by creating allocators and deallocators for sounds and sprites

I just want to know 'when' I overstep a limit, just to be on the safe side.

@everyone
It seems that the following gets the sound-information I need:
void dbGetSoundData ( int iID, DWORD* dwBitsPerSecond, DWORD* Frequency, DWORD* Duration, LPSTR* pData, DWORD* dwDataSize, bool bLockData, WAVEFORMATEX* wfx );

But I can't use dbPrint on DWORD variables.
Any suggestions on how I overcome this?

First year student of a game-programming course
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vitinho444
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Posted: 19th Jul 2011 21:14
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Maybe convert it to char and use dbText, How? I dont know =D

C++ Medium 3.5/5
VB6 Advanced: 4/5
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Mireben
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Posted: 19th Jul 2011 21:30
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sprintf is your friend.



http://www.cplusplus.com/reference/clibrary/cstdio/sprintf/
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vitinho444
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Posted: 19th Jul 2011 23:41
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hehe i use that =D but i use dbText

C++ Medium 3.5/5
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