So all you need to do, is to place an empty Herb in a level:
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As a proof, after that small experiment, I decided to test this NPC with LunaDLL. Here's the code I used:
Code: Select all
NPCMemSet,0,0xE2,1,0,0,wIt will change NPC-0 to NPC-1 (to SMB3 Goomba).
And here's the result, after I grabbed it, even with the custom graphics, it's empty (invisible), but when I kicked it, Mario stomped it immediately and its effect was seen (if I remember correctly):
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Even if you will hold NPC-0, it won't defeat itself and the NPC near it:
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You can't select the NPC (at least I wasn't able to do that).
If you will place NPC-0 in the level (with help of LunaDLL), it will just dissappear.
Here's an interesting thing. If you will hold NPC-0 and, if it will touch NPC-237 (Yoshi's Ice Block), it will defeat this NPC, but it won't kill itself:
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NPC can be attached to objects and objects can be attached to it. But it will change nothing, since it will dissappear immediately.
That means it won't work with text files.
Now about NPC-302: it's pretty much just a copy of NPC-0, there are no differences between them and their behaviours are the same, really.
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There's a wiki page for these NPCs now!
http://wohlsoft.ru/pgewiki/Dummy_NPCs_(SMBX)
And Windows 
