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Identifying a Grid's Content by Memory Reading

 
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lylcheat
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PostPosted: Mon Mar 02, 2009 12:24 am    Post subject: Identifying a Grid's Content by Memory Reading Reply with quote

My online game is using isometric projection (i.e. just like Diablo II) and the map is divided into square tiles each represented by (x,y) coord.

I can easily locate the memory for the (x,y) coord of the player since its value is displayed on the game screen. But I want to go a step further by identifying the content of a tile (e.g. if it is occupied by a monster or other player) of any given coord.

Can anyone give me some hint as how should I start with this. This is quite different from searching for just a given (x,y) value as the map probably represented by some complex data structure in memory.
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PostPosted: Mon Mar 02, 2009 7:13 am    Post subject: Reply with quote

Well, one way of doing it would be looking in the game files.
MOST of the games keep their maps stored in the game files (Diablo stores a generator -_-), so looking it up in there could be possible, but it's rather hard.


Another way would be looking for a changing content of a tile, and you know how to look for a changing value Wink
A changing content could be: When you change maps. Perhaps the same adress is used for the previous x,y tile as this x,y tile.
Or a tile that you can change yourself. This is rather hard to explain, and hardly ever works though (often only applies a mask onto your tile)

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