[Archive] ADT Alpha Map Issues
[Archive] ADT Alpha Map Issues
11-04-2025, 10:37 AM
Original source
Quote: Hi guys, I'm working on something WoW related and reached the point where I must start using .ADT terrain files in this project.
The issue I'm having is that the tool I'm using, Machinima Studios, seems to incorrectly generate the alpha maps for the terrain. I'm using an MoP torrented client for the MPQ data. Things just seem off.
For instance, consider this terrain texture of North Shire (screencap because it's too large at 4k): https://i.imgur.com/WqOe7Qj.jpg you can see the northren mountains on this 2D texture.
Now, take a look at the alpha map provided for this stone texture used throughout the ADT chunk: https://i.imgur.com/2UR1Kii.png
It just seemed broken, cutoff or something. Is this a known issue with the current understanding of ADT files? A bug in Machinima Studio or am I missing something big here that would allow me to deduce the missing information from this form?
It's really been a problem as I cannot recreate the terrain fully without these alpha maps.
Thanks in advance for any advice.
rektbyfaith
11-04-2025, 10:37 AM #1Archived author: Glader69 • Posted: 2025-11-04T11:37:43.363627
Original source
Quote: Hi guys, I'm working on something WoW related and reached the point where I must start using .ADT terrain files in this project.
The issue I'm having is that the tool I'm using, Machinima Studios, seems to incorrectly generate the alpha maps for the terrain. I'm using an MoP torrented client for the MPQ data. Things just seem off.
For instance, consider this terrain texture of North Shire (screencap because it's too large at 4k): https://i.imgur.com/WqOe7Qj.jpg you can see the northren mountains on this 2D texture.
Now, take a look at the alpha map provided for this stone texture used throughout the ADT chunk: https://i.imgur.com/2UR1Kii.png
It just seemed broken, cutoff or something. Is this a known issue with the current understanding of ADT files? A bug in Machinima Studio or am I missing something big here that would allow me to deduce the missing information from this form?
It's really been a problem as I cannot recreate the terrain fully without these alpha maps.
Thanks in advance for any advice.
11-04-2025, 10:37 AM
Original source
Quote: What are you trying to do that you need the alpha for that adt?
rektbyfaith
11-04-2025, 10:37 AM #2Archived author: baldrich • Posted: 2025-11-04T11:37:43.363627
Original source
Quote: What are you trying to do that you need the alpha for that adt?
11-04-2025, 10:37 AM
Original source
Quote: Originally Posted by baldrich
What are you trying to do that you need the alpha for that adt?
The alphamap he is talking about is a black and white image like this one.
The black represents grass and the white represents the dirt IIRC. These are useful as its much faster than texturing by hand.
![[Image: lastpost-right.svg]](https://www.ownedcore.com/forums/images/styles/OwnedCoreFX/buttons/lastpost-right.svg)
![[Image: 2UR1Kii.png]](https://i.imgur.com/2UR1Kii.png)
rektbyfaith
11-04-2025, 10:37 AM #3Archived author: Dovah • Posted: 2025-11-04T11:37:43.363627
Original source
Quote: Originally Posted by baldrich
What are you trying to do that you need the alpha for that adt?
The alphamap he is talking about is a black and white image like this one.
The black represents grass and the white represents the dirt IIRC. These are useful as its much faster than texturing by hand.
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