Files
loop/src/Dodge/Annotation.hs
T
2022-03-20 13:46:31 +00:00

80 lines
3.1 KiB
Haskell

{- | Annotating tree structures with desired properties for rooms. -}
module Dodge.Annotation
( module Dodge.Annotation.Data
, module Dodge.Annotation
) where
import Dodge.RandomHelp
import Dodge.Tree
import Dodge.Room
import Dodge.Annotation.Data
import Data.Tree
import Control.Monad.State
import System.Random
--import Control.Lens
import Data.Maybe
addLock :: RandomGen g => Int -> Tree [Annotation g] -> State g (Tree [Annotation g])
addLock i t = do
(beforeLock, afterLock) <- splitTrunk t
newBefore <- applyToRandomNode (Key i :) beforeLock
return $ addToTrunk newBefore [Node [Lock i] afterLock]
{- | Add one corridor between each parent-child link of a tree of annotations. -}
padWithCorridors :: Tree [Annotation g] -> Tree [Annotation g]
padWithCorridors = padWithAno [Corridor]
padWithAno :: [Annotation g] -> Tree [Annotation g] -> Tree [Annotation g]
padWithAno ano (Node x xs) = Node ano [Node x (map (padWithAno ano) xs)]
padSucWithCorridors :: Tree [Annotation g] -> Tree [Annotation g]
padSucWithCorridors (Node x xs) = Node x (map padWithCorridors xs)
padSucWithDoors :: RandomGen g => Tree [Annotation g] -> Tree [Annotation g]
padSucWithDoors (Node x xs) = Node x (map (padWithAno [SpecificRoom thetree]) xs)
where
thetree = do
thecor <- shuffleLinks corridor
takeOne
[ return (UseAll door)
, treeFromPost [PassDown door, PassDown thecor] (UseAll door)
]
{- Add one to three corridors between each parent-child link of a tree of annotations. -}
randomPadCorridors :: RandomGen g => Tree [Annotation g] -> State g (Tree [Annotation g])
randomPadCorridors (Node x xs) = do
n <- state $ randomR (1, 3)
xs' <- mapM randomPadCorridors xs
return $ treeFromTrunk (replicate n [Corridor]) (Node x xs')
{- | Add a corridor to a random out-link of a room. -}
roomThenCorridor :: RandomGen g => Room -> State g (SubCompTree Room)
roomThenCorridor theRoom = fmap
(\r -> Node (PassDown theRoom) [(pure . UseAll) r])
(shuffleLinks corridor)
{- | Create a random room tree structure from a list of annotations. -}
anoToRoomTree :: RandomGen g => [Annotation g] -> State g (SubCompTree Room)
anoToRoomTree anos = case anos of
[AnoApplyInt i f] -> f i
[ChainAnos ass] -> do
rms <- mapM anoToRoomTree ass
return $ chainUses rms
[PassthroughLockKeyLists i ls ks] -> do
(functionlockroom,randomitemidentity) <- takeOne ls
lr <- functionlockroom i
ii <- randomitemidentity
keyroom <- fromJust $ lookup ii ks
return $ overwriteLabel 0 UseNone lr [keyroom]
[OrAno as] -> do
a <- takeOne as
anoToRoomTree a
[Corridor] -> pure . UseAll <$> shuffleLinks corridor
(SpecificRoom rt:_) -> rt
(BossAno cr : _) -> do
br <- bossRoom cr
branchRectWith . pure . fmap PassDown $ treeFromPost [corridor,corridor] br
(TreasureAno crs loot : _) -> branchRectWith . fmap (pure . PassDown) $ lootRoom crs loot
_ -> do
w <- state $ randomR (100,400)
h <- state $ randomR (200,400)
fmap (pure . UseAll) . shuffleLinks $ roomRectAutoLinks w h