RS2 Cache Image format unclear

**7yuohu** · 05-01-2016, 04:14 PM

I've been attempting recently to change a prayer icon in the 317 cache. If I just take the image (same resolution PNG as the old one) and replace it with tom's suite, the client will always freeze on "Loading interfaces". However, if I fiddle in GIMP to make the image "Web optimized", it will lose some color depth, but will now work with the client. Could anyone explain what kind of format or what kind of requirements must a sprite meet in order to work with the client?

I am using a 2006memorys client.

Thanks in advance.

**clrlslwi** · 05-01-2016, 10:09 PM

The typically used image format is something like this..

Code:

int[] colorPool = new int[256];
int[] pixels = ...
int width = ...
int height = ...

public int getPixelColor(int x, int y) {
    return colorPool[pixels[x + (y * width)]];
}

If it wasn't obvious enough, you're overflowing the color pool. I don't believe the mainstream cache tools check for overflowing, so they fuck everything up instead of warning you.

**7yuohu** · 05-02-2016, 04:13 PM

Originally Posted by clrlslwi

The typically used image format is something like this..

Code:

int[] colorPool = new int[256];
int[] pixels = ...
int width = ...
int height = ...

public int getPixelColor(int x, int y) {
    return colorPool[pixels[x + (y * width)]];
}

So it basically only supports 256-color images? Thanks, that's all I needed to know

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