User:Tjr/object generation spoiler

Legwork for an Object Creation Spoiler

This treats only those cases that aren't restricted to monster inventory items or certain useless items. It's mostly interesting for pacifists, as they don't get any death drops. Specifically, I wanted to know how likely a 12-conduct character is to find holy water, a scroll of scare monster, a magic whistle and so on.

Containers

Contents of containers are complicated, not just rn2(..) things: Mkobj.c#mkbox_cnts

Unless stated otherwise, all items can be containers, which hold more items.

In a normal rooms-and-corridor level at level creation time.

Mklev.c#makelevel

You need the distribution of rooms per level, and room sizes

Random objects on the floor in each ordinary room.

• ... chance of non-special room ...
• 1/3 chance of a monsters, which might be a snake/spider.
• (1/10 chance fountain, independently 1/60 sink for a ring, 1/60 altar ..)
• 1/(80-2*depth) chance of one grave, which will hold rn2(5) cursed items
• 1/(nroom * 5 / 2) chance of: 1/3 chest 2/3 large box
• 1/3 chance of objects at all, 4/5*(1/5)^n prob for n+1 objects, n>=0. Containers are eligible.

make_niches()

• 1d(rooms/2 +1) proto-niches.
• dlev 1-5: all, dlev 6-15: 5/6, dlev 16-24 25/36, dlev 25-end 5/6 are a non-trap niche.
• 8 retries to find a room with !=1 door (20% chance anyway), non-special, and hitting a place to put the niche (unlikely to fail).
• 3/4*6/7*1/3 of those get another random object, but they never have a secret door.

shops

• 1<dlev<medusalevel && 45%chance && rn2(u_depth) < 3)
• mkroom(SHOPBASE)
• Each square has (dlevel-1)% chance of a mimic, else make a fitting object. Shknam.c#mkshobj_at

court room

1 chest

• 4<dlev<castle && no shop && 1/6 chance

graveyard boxes

• 11<dlev<castle && noshop && 5/6*7/8*6/7*4/5*4/5*1/6
• each square has 1/10 chance of 2/3 large box, 1/3 chest

barracks containers

• 14<dlev<castle && noshop && 5/6*7/8*6/7*4/5*4/5*5/6*7/8*1/4
• each square has 1/20 chance of 2/3 large box, 1/3 chest

cockatrice nest statues

• 16<dlev<castle && noshop && 5/6*7/8*6/7*4/5*4/5*5/6*7/8*3/4*5/6*1/8
• each square has 1/3 chance of statue with rn2(5) items

Special levels etc

special levels, a bizarre case, mines levels, quest filler, post-Medusa maze, rogue level: Mklev.c#line627 ff

still to track maze objects: mkmaze.c#line633

level descriptions can contain objects: Sp_lev.c#line934, Sp_lev.c#line951

Monsters

• Spiders and snakes get a random object in makelevel.
• Quantum mechanic boxes are always empty. makemon.c:963
• Player monsters (Astral Plane only) get 1d10 objects, possibly with contents. Mplayer.c#line266. What happens if quan=0 is rolled?

Conduct-breakers

• Death drops mon.c#line1833
• Wishing. Objnam.c#readobjnam.
• Polypiling Zap.c#line1225
• Writing scrolls/books write.c#line161

Random Alchemy

Potion.c#line1697

Initial inventory

U_init.c#line917

Saving and restoring

including bones files