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Old February 19th, 2005, 01:00 PM
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Default Binary "Database" for a game - Need a how-to =)

Hello and thanks in advance to anyone who offers help.

To make this simple, let's say I have a game which has 100 different monsters. I want a binary data file to hold all of these. It would have the index number of the mob, name, size, attributes, etc. I can easily create an editor to edit the records in this file, as soon as I know how to create this file and be able to find a specific monster in the file and fill, say, text boxes full of the information regarding that specific monster.

I hope I am writing this in a way that you can understand fully what I mean. Let's say I have a data file full of monsters, and the one I want to know about is in the middle of the file, say record number 33. I want to be able have my program look for the monster named "Dragon" and then retrieve all information that goes with that monster.

I was able to do this easily in VB6. I even made an editor that could go through the different monsters, with their information populating text boxes as I browsed through them. but for the life of me I can't figure out how to do this in C#. I know how to read and write binary files, but that's about it.

So, to my question. How could I do this? I want all records in a single binary file and the ability to locate specific ones and get their info.

Thanks in advance. I apologize for the book I wrote. I just wanted to make sure it was clear what I was looking for.

Old February 20th, 2005, 05:19 PM
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you can make a data structure(class) for your file which includes all the fields like name,size,attribute,and represent your fields as properties,...then make another class for handling that structure,you should have a kind of collection which stores your records(instantiated class)I think the best one could be HashTable,give its key the name of the monsters...
your collection behaves like a cache object you can always work on it instead of underlying stream,every time you need to update your file you should update your collection and also work on the stream through BinaryReader or BinaryWriter for updating the underlying file...

software student.
Old March 6th, 2005, 05:17 AM
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Dear Daedric
i have encounter the same problem as you have only u did manage to do it in vb6.
basically, i want to store my game properties in a text file in a binary way (sets of property=value) that i can load at the beginning
of the game and update them respectively.

can i have a sample code (vb6) of what you did?


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