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vetmora120
Registered
07/01/2010
Points
273
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21st February, 2011 at 13:01:01 -
So I've made a pretty promising inventory system for a hidden object game. It has a set amount of slots and when an object is acquired the object is placed in the first available slot.
However my problem is: When an object is selected from the inventory and used/taken out, I can't get the object that are after that slot to move down to 'fill in the gap'. I am using an array to store the object data and position in the inventory.
Any help would be appreciated. 
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Assault Andy
Administrator
I make other people create vaporware
Registered
29/07/2002
Points
5686
    
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21st February, 2011 at 14:51:54 -
You'll probably have to explain how your inventory system works, or provide an example file so that we have a better idea.
Simple (but perhaps inefficient) systems that come to mind are:
Loop through the array and write it to a new array in the same order, skipping gaps.
Or
Loop through the array starting at the gap and shift each object down 1.
It really does depend how you store your information.
Creator of Faerie Solitaire:
http://www.create-games.com/download.asp?id=7792
Also creator of ZDay20 and Dungeon Dash.
http://www.Jigxor.com
http://twitter.com/JigxorAndy
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vetmora120
Registered
07/01/2010
Points
273
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22nd February, 2011 at 01:58:27 -
Thanks for the reply Andy. I've posted the example link below so you can see how it works. It's probably not the most efficient way of making an inventory system, but it's what I came up with
http://dl.dropbox.com/u/9919361/InventorySystem.mfa
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Alonso Martin
Registered
29/12/2010
Points
294
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22nd February, 2011 at 02:09:32 -
Sometimes, I tried making an inventory system like Monkey Island's. I realised using the Text Blitter as a graphic placeholder made things infinitely easier.
www.hfalicia.com
www.alonsomartin.mx
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vetmora120
Registered
07/01/2010
Points
273
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22nd February, 2011 at 06:33:46 -
I've never thought of using the Text Blitter before. Might give that a go sometime. But for now, is anyone able to tell me how to achieve the gap filling with the system I've done?
Thanks in advance.
 Edited by vetmora120
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UrbanMonk
BRING BACK MITCH
Registered
07/07/2008
Points
49667
        
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23rd February, 2011 at 04:54:26 -
http://jfile.us/a3d47ed
I redid the inventory system from scratch.
It's on the second frame.
It doesn't use an array at all.
You should be able to figure out how it works.
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vetmora120
Registered
07/01/2010
Points
273
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23rd February, 2011 at 07:12:19 -
Hey, thanks UrbanMonk. That's pretty neat. Still figuring out exactly how you've done it, but I think I've got a basic grasp.
One question though. How then would I save and load the inventory using the information I've got?
Edited by vetmora120
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UrbanMonk
BRING BACK MITCH
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07/07/2008
Points
49667
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23rd February, 2011 at 13:13:34 -
I would save it using an ini, but you can use whatever method you like.
It's easy, when you're ready to save the inventory do another loop, similar to the one that refreshes the inventory.
Iterate through the objects and save their direction and alterable string. Then to reload it just recreate the objects with the appropriate values and run the refresh inventory loop to put them in the inventory.
If you want I'll add loading and saving sometime today when I get time.
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vetmora120
Registered
07/01/2010
Points
273
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23rd February, 2011 at 13:48:41 -
Ah ok, that makes sense. If you don't mind though would you be willing to add a system in for me? Also an extra thing to put in something so that objects don't appear again in game when they've been obtained and used, etc.? That's only something extra though.
Thank you for all your help. I learn from the best 
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Del Duio
Born in a Bowling Alley
Registered
29/07/2005
Points
1078
     
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23rd February, 2011 at 14:00:47 -
I did something where the inventory items' names were all held in a listbox off the frame, and when you took one out they all automatically resorted and "fill in the gap" so to speak. Then you can always clear your display inventory texts or whatever and re-assign them to whatever's in your listbox.
Probably not the most efficient way of doing it, but it works!
--
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"To be a true ninja you must first pick the most stealthy of our assorted combat suits. Might I suggest the bright neon orange?"
DXF Games, coming next: Hasslevania 2- This Space for Rent!
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UrbanMonk
BRING BACK MITCH
Registered
07/07/2008
Points
49667
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23rd February, 2011 at 21:50:29 -
It ended up being more complicated than I thought.
But it works.
It records what objects have been picked up already (as long as you don't have duplicates) and what objects are in the inventory.
You can also have multiple save's in one file by changing the username that's stored in a global string.
http://jfile.us/713541d
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vetmora120
Registered
07/01/2010
Points
273
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24th February, 2011 at 02:19:59 -
Ah, excellent! Thank you very much for all your help.
I was going to ask you about the multiple saves thing as well but thought you already had enough on your plate  So thank you for your initiative.
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