[beginner] Weapon from Realm667 not appearing in UDB

[jadedrakerider]

Thanks for reading!

Using GZDoom: UDMF, Slade, and Ultimate Doom Builder.

I'm new to using custom weapons, so I apologize if I'm missing something obvious. I read up on the zdoom wiki and various other sites about creating custom weapons in ZDoom but I seem to be missing something.

I downloaded the grenade launcher from Realm667.

I copied the files from the GrenadeLauncher.wad file into the wad I'm using for editing. However, when I open up my wad in Ultimate Doom Builder, go into things mode the grenade launcher is not there.

Plot twist!

When I rename the OLDCODE file to DECORATE and add an DoomEd Number, the weapon appears. It's great, I've been playing around with it for 10 minutes.

However, I have come to understand that DECORATE is deprecated and I'd like to learn zscripting. Before I can do that, though, I need to figure out what I am missing. I seem to be missing something that the tutorial writers are assuming I already know.

I'd really appreciate the help.

[jadedrakerider]

So I have been reading around, and it looks like I might be missing a MAPINFO file. So I created one but then when I tried to open my wad in Ultimate Doom Builder, I got an error.

Unable to find maps using any game configuration. Does this wad contain any maps at all?..

So I think I need to define maps in my MAPINFO file. So I found this wiki article and tried to define my map in the file.

Here is my MAPINFO code:

Code: Select all

map E1M1 "Chemicals"
{
	levelnum = 1
}

DoomEdNums 
{
	20000 = STGrenadeLauncher
	20001 = STGrenade
}

I get the same error.

[Player701]

The correct sequence of actions is the following:

1. Create a map in UDB, save the WAD file.
2. Open the WAD file with SLADE and copy the lumps from GrenadeLauncher.wad to your new WAD.
3. Add a MAPINFO lump with a DoomEdNums section to your WAD via SLADE. You do not actually need to define any maps there.
4. Open your WAD with UDB again. Now you should see the new weapon in the things list.

If you see the message "Unable to find maps" when opening your WAD with UDB the second time, it could be that you've messed up the lump structure in the WAD file somehow. Try adding new lumps to the beginning or the end of the list and not in the middle.

[jadedrakerider]

The correct sequence of actions is the following:

1. Create a map in UDB, save the WAD file.
2. Open the WAD file with SLADE and copy the lumps from GrenadeLauncher.wad to your new WAD.
3. Add a MAPINFO lump with a DoomEdNums section to your WAD via SLADE. You do not actually need to define any maps there.
4. Open your WAD with UDB again. Now you should see the new weapon in the things list.

Hey Player701! Thank you so much for taking the time to help. I've followed your steps but I still seem to be doing something wrong. I created a video so that you can see what I have been doing. Here is the video.

[Player701]

The editor numbers should work now even if you can't see them in UDB. It looks as if you may need to add gzdoom.pk3 as a resource to fix the latter issue. Before opening your map, click on "Add resource", select "From PK3/PK7", click on the folder icon, navigate to where your GZDoom directory is, choose gzdoom.pk3. If it still doesn't work, try asking in the UDB thread.

[jadedrakerider]

Before opening your map, click on "Add resource", select "From PK3/PK7", click on the folder icon, navigate to where your GZDoom directory is, choose gzdoom.pk3.

That worked! Thank you so much. I knew I must have been missing something small! Pardon my ignorance, but what did I just do and why do we do it? Is it because zscripts are specific to GZDoom and we need GZ doom to tell the map to looks for the resource?

[necros]

click on "Add resource", select "From PK3/PK7", click on the folder icon, navigate to where your GZDoom directory is, choose gzdoom.pk3

Also, make sure to check the 'Exclude this resource from testing parameters' otherwise you'll get an error from zdoom when you try to launch the map.

[jadedrakerider]

Also, make sure to check the 'Exclude this resource from testing parameters' otherwise you'll get an error from zdoom when you try to launch the map.

You rock my socks! I was running into exactly this problem. Thank you!

[boris]

Before opening your map, click on "Add resource", select "From PK3/PK7", click on the folder icon, navigate to where your GZDoom directory is, choose gzdoom.pk3.

That worked! Thank you so much. I knew I must have been missing something small! Pardon my ignorance, but what did I just do and why do we do it? Is it because zscripts are specific to GZDoom and we need GZ doom to tell the map to looks for the resource?

gzdoom.pk3 contains the base classes (like the Actor clas) that all other actors are based on, and UDB needs that to resolve the inheritance.

[jadedrakerider]

gzdoom.pk3 contains the base classes (like the Actor clas) that all other actors are based on, and UDB needs that to resolve the inheritance.

Gotcha. So it's like importing a library that contains all the classes you need. Thanks boris!