Skyboxes from gamebanana

[Kappes Buur]

A few days ago there was a link to some great looking skyboxes at

https://gamebanana.com/mods/7919 applicable to GZDoom.

 

For example, the skyboxes are presented such as this

 

which means that there is a bit of work involved to pull the six images required for

GZDoom from the published image.

For my workflow I copied this image onto a 3000x3000 image

 

Here is the process I used to achieve this result

 

With your favourite graphics program, I used IrfanView, pull apart the various 640x640

images for north, east, south, west, bottom and top, as SKY_N, SKY_E, SKY_S, SKY_W,

SKY_B and SKY_T accordingly.

 

Now create a simple pwad for either GZDoom DiHF or GZDoom UDMF and open it

with Slade3. For this skybox to be rendered with GZDoom the following lumps must

be added to the pwad

 

MAPINFO

 

GLDEFS

 

and, of course, the six sky images

 

But, what is this?

 

The top and bottom do not line up, and there is a thin outline around the edges.

 

Okay, that needs to be fixed. The way I did this was first I loaded each image into

IrfanView and sliced one pixel off each side to 638x638 and resized it back to

640x640. Then I fipped the top image horizontaly and rotated it right 90°, and

rotated the bottom image left 90°.

 

After editing the pwad with the corrected images, all is as it should be.

 

 

 

 

 

 

 

 

Edited May 19, 2022 by DOOM mapping enthusiast