Fix basic pathing

This commit is contained in:
2021-09-06 11:35:30 +01:00
parent 4d3c0ae38f
commit 72e29ebac3
9 changed files with 86 additions and 193 deletions
+6 -2
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@@ -10,6 +10,7 @@ module Dodge.Creature.Action
, pickUpItem
)
where
import Dodge.Path
import Dodge.Creature.Stance.Data
import Dodge.WorldEvent.Shockwave
import Dodge.Data
@@ -60,10 +61,13 @@ performAimAt cr w tcid p = ([TurnToward tpos aimSp], Just $ AimAt tcid tpos)
performPathTo :: Creature -> World -> Point2 -> OutAction
performPathTo cr w p
| dist cpos p < 5 = ([], Nothing)
| hasLOS cpos p w = ([MvTurnToward p,MvForward] , Just (PathTo p))
| otherwise = ([], Nothing)
| hasLOS cpos p w = ([MvTurnToward p,MvForward,RandomTurn jit] , Just (PathTo p))
| otherwise = case pointTowardsImpulse cpos p w of
Just q -> ([MvTurnToward q,MvForward,RandomTurn jit] , Just (PathTo p))
_ -> ([],Nothing)
where
cpos = _crPos cr
jit = _mvTurnJit $ _crMvType cr
{- | Performing an action means that a creature has some impulses for a frame, and
updates or deletes the action itself.
+1 -1
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@@ -49,7 +49,7 @@ chaseCrit = defaultCreature
, _crMeleeCooldown = 0
, _crFaction = ColorFaction green
, _crMvType = ChaseMvType
{ _mvSpeed = 2.5
{ _mvSpeed = 3
, _mvTurnRad = f
, _mvTurnJit = 0.2
}
+1 -19
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@@ -17,7 +17,6 @@ import Dodge.Creature.Test
import Dodge.Creature.Volition
import Dodge.Creature.AlertLevel.Data
import Dodge.Base
import Dodge.Base.Collide
import Geometry
import FoldableHelp
@@ -75,26 +74,9 @@ flockACCR cr = do
goToTarget :: Creature -> Reader World Creature
goToTarget cr = do
w <- ask
case cr ^? crMvTarget . _Just of
Just p
| dist p cpos > _crRad cr + 10 && hasLOS p cpos w
-> pure $ cr & crActionPlan . crImpulse .~
[ MoveForward speed
, TurnToward p (trad dirOffset)
, RandomTurn jit
]
| dist p cpos > _crRad cr + 10
-> pure $ cr & crActionPlan . crAction .~ [PathTo p]
where
dirOffset = abs (_crDir cr - argV (p -.- cpos))
Just p -> pure $ cr & crActionPlan . crAction .~ [PathTo p]
_ -> pure cr
where
cpos = _crPos cr
mvType = _crMvType cr
speed = _mvSpeed mvType
trad = _mvTurnRad mvType
jit = _mvTurnJit mvType
doStrategyActionsR
:: Creature
+11 -1
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@@ -1,14 +1,19 @@
{-# LANGUAGE RankNTypes #-}
module Dodge.Graph
( pairsToSCC
, incidenceToFunction
, pairsToIncidence
, graphToEdges
) where
-- this deserves tests
import Data.List.Extra
import Data.Bifunctor (first)
--import Data.Bifunctor (first)
import Data.Graph
import Data.Maybe
import qualified Data.Graph.Inductive.Graph as F
import qualified Data.Graph.Inductive.PatriciaTree as F
import Data.Bifunctor
pairsToIncidence :: Ord a => [(a,a)] -> [(a,[a])]
pairsToIncidence
@@ -24,3 +29,8 @@ mkNode (x,xs) = (x,x,xs)
pairsToSCC :: Ord a => [(a,a)] -> [SCC a]
pairsToSCC = stronglyConnComp . map mkNode . pairsToIncidence
graphToEdges :: forall a b . F.Gr a b -> [(a,a)]
graphToEdges g = map (bimap f f) $ F.edges g
where
f n = fromJust . lookup n $ F.labNodes g
+4
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@@ -43,8 +43,12 @@ generateLevelFromRoomList gr w = updateWallZoning
$ w { _walls = wallsFromRooms rs
, _floorTiles = floorsFromRooms rs
, _gameRooms = gameRoomsFromRooms rs
, _pathGraph = path
, _pathGraph' = pairPath
}
where
path = pairsToGraph dist pairPath
pairPath = concatMap _rmPath rs
plmnts = concatMap _rmPS rs
rs = zipWith addTile zs rs'
zs = map fromIntegral $ randomRs (0,63::Int) $ _randGen w
+52 -163
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@@ -1,101 +1,25 @@
module Dodge.Path where
module Dodge.Path
( pointTowardsImpulse
--, pointTowardsImpulse'
, makePathBetween
, makePathBetweenPs
)
where
import Dodge.Data
import Dodge.Base.Collide
import Dodge.Base.Zone
import Dodge.Graph
import Geometry
import Data.List
import Data.Maybe
import Data.Function
import Data.Graph.Inductive.PatriciaTree
--import Data.Graph.Inductive.PatriciaTree
import Data.Graph.Inductive.Query.SP
import Data.Graph.Inductive.Graph hiding ((&))
import qualified Data.HashSet as HS
import qualified Data.Heap as HP
import qualified Data.Map as M
import Control.Monad
import Control.Monad.State
import System.Random
worldGraph :: World -> Point2 -> HS.HashSet Point2
worldGraph w p = HS.unions $ (\q -> HS.fromList $ pointsAlong w p (p +.+ q)) . toV2
<$> [(200,0),(-200,0),(0,200),(0,-200)]
pointsAlong :: World -> Point2 -> Point2 -> [Point2]
pointsAlong w p q = divideLineFixed 50 p p'
where
p' = furthestPointWalkable p q $ wallsAlongLine p q w
divideLineFixed :: Float -> Point2 -> Point2 -> [Point2]
divideLineFixed x a b = fmap
( \i -> a +.+ i * x *.* normalizeV (b -.- a) )
ns
where
numPoints = floor $ dist a b / x :: Int
ns = map fromIntegral [1 .. numPoints]
--import Control.Monad.State
--import System.Random
-- ok, astar or something like it
type SearchedNodes = (HP.MinHeap (Float,(Float,[Point2])), [Point2])
stripRight :: Either a b -> b
stripRight (Right x) = x
stripRight _ = error "Trying to strip Right where there is a Left"
stepPath :: (Point2 -> [Point2]) -> Point2 -> SearchedNodes -> Either [Point2] SearchedNodes
stepPath h p (nextNodes, seenNodes) = case HP.view nextNodes of
Nothing -> Left []
Just ((_,(cost,q:qs)), nextNodes')
| q == p -> Left (q:qs)
| otherwise ->
let rs' = h q
rs = rs' \\ seenNodes
newNodes' = map (\r -> (cost + dist q r + dist r p , (cost + dist q r , r:q:qs))) rs
in Right (foldr HP.insert nextNodes' newNodes' , rs ++ seenNodes)
Just _ -> error "In step path"
stepPath' :: (Point2 -> [Point2]) -> Point2 -> SearchedNodes -> [Point2]
stepPath' h p s = case stepPath h p s of
Left ps -> ps
Right s' -> stepPath' h p s'
makePath' :: (Point2 -> [Point2]) -> Point2 -> Point2 -> [Point2]
makePath' h s e = stepPath' h e (HP.singleton (0,(0,[s])) , [])
makeNode :: Point2 -> SearchedNodes
makeNode e = (HP.singleton (0,(0,[e])) , [])
tp1,tp2,tp3 :: Point2
tp1 = V2 0 1
tp2 = V2 0 20
tp3 = V2 30 40
f :: Point2 -> [Point2]
f = incidenceToFunction $ pairsToIncidence
[(tp1,tp2)
,(tp2,tp3)
,(tp2,tp1)
,(tp1,tp3)
]
--g :: [(Point2,[Point2])]
--g = pairsToIncidence
-- [(tp1,tp2)
-- ,(tp2,tp3)
-- ,(tp2,tp1)
-- ,(tp1,tp3)
-- ]
pathBetween :: Point2 -> Point2 -> World -> Maybe [Point2]
pathBetween a b w = makePath' (\p -> _pathInc w M.! p) <$> a' <*> b'
where
nsa :: [Point2]
nsa = map snd $ concat $ lookLookups (zoneAroundPoint a) (_pathPoints w)
nsb = map snd $ concat $ lookLookups (zoneAroundPoint b) (_pathPoints w)
a' = find (flip (isWalkable a) w) nsa
b' = find (flip (isWalkable b) w) nsb
makePathBetween :: Point2 -> Point2 -> World -> Maybe [Int]
makePathBetween a b w = join $ sp <$> fmap fst a' <*> fmap fst b' <*> return g'
where
@@ -105,88 +29,53 @@ makePathBetween a b w = join $ sp <$> fmap fst a' <*> fmap fst b' <*> return g'
a' = find (flip (isWalkable a) w . snd) nsa
b' = find (flip (isWalkable b) w . snd) nsb
ezipWith :: Monoid a => (b -> c -> d) -> Either a b -> Either a c -> Either a d
ezipWith f' (Right x) (Right y) = Right (f' x y)
ezipWith _ (Left x) (Right _) = Left x
ezipWith _ (Right _) (Left y) = Left y
ezipWith _ (Left x) (Left y) = Left (mappend x y)
makePathBetween' :: Point2 -> Point2 -> World -> Either String [Int]
makePathBetween' a b w =
let g' = _pathGraph w
ns = labNodes g'
--nsa = _pathPoints w `ixNZ` a
--nsb = _pathPoints w `ixNZ` b
a' = case listToMaybe $ sortBy (compare `on` dist a . snd) $ filter (flip (isWalkable a) w . snd) ns of
Just p -> Right $ fst p
_ -> Left "FIRST POINT UNSEEN"
b' = case listToMaybe $ sortBy (compare `on` dist b . snd) $ filter (flip (isWalkable b) w . snd) ns of
Just p -> Right $ fst p
_ -> Left $ "SECOND POINT UNSEEN" ++ show b
in case ezipWith (\x y -> sp x y g') a' b' of
Right (Just xs) -> Right xs
Right Nothing -> Left $ "NO PATH" ++ show a ++ show b ++ show a' ++ show b'
Left m -> Left m
makePathBetweenPs :: Point2 -> Point2 -> World -> Maybe [Point2]
makePathBetweenPs a b w = mapMaybe (lab g') <$> makePathBetween b a w
where
g' = _pathGraph w
makePathBetweenPs' :: Point2 -> Point2 -> World -> Either String [Point2]
makePathBetweenPs' a b w = mapMaybe (lab g') <$> makePathBetween' a b w
where
g' = _pathGraph w
pointTowardsImpulse :: Point2 -> Point2 -> World -> Maybe Point2
pointTowardsImpulse a b w = find (flip (isWalkable a) w) =<< makePathBetweenPs a b w
pointTowardsImpulse' :: Point2 -> Point2 -> World -> Either String Point2
pointTowardsImpulse' a b w = (maybeToEither "NOSEEPATH" . find (flip (isWalkable a) w)) =<< makePathBetweenPs' b a w
maybeToEither :: a -> Maybe b -> Either a b
maybeToEither _ (Just x) = Right x
maybeToEither y Nothing = Left y
randomGraphStep :: RandomGen g => Int -> Gr a b -> State g (Maybe Int)
randomGraphStep n g =
do let ns = neighbors g n
i <- state $ randomR (0,length ns - 1)
case ns of [] -> return Nothing
_ -> return $ Just $ ns !! i
randomGraphStepRestricted :: RandomGen g => Int -> [Int] -> Gr a b -> State g (Maybe Int)
randomGraphStepRestricted n notns g = do
let ns = neighbors g n \\ notns
i <- state $ randomR (0,length ns - 1)
case ns of
[] -> return Nothing
_ -> return $ Just $ ns !! i
---- continues a walk from a list of points, without repetitions
---- supposes that the list is non-empty
randomGraphWalk :: RandomGen g => [Int] -> Gr a b -> State g [Int]
randomGraphWalk (n:ns) g = do
next' <- randomGraphStepRestricted n ns g
case next' of
Nothing -> return (n:ns)
Just n' -> randomGraphWalk (n':n:ns) g
randomGraphWalk _ _ = error "Trying to walk in an empty list"
randomPointXStepsFrom :: Int -> Point2 -> World -> Point2
randomPointXStepsFrom i p w =
let g = _pathGraph w
ns = labNodes g
mp = listToMaybe $ sortBy (compare `on` dist p . snd) $ filter (flip (isWalkable p) w . snd) ns
in case mp of
Nothing -> p
Just (n,_) -> fromJust
$ lab g (last $ take i $ randomGraphWalk [n] g Data.Function.& evalState $ _randGen w)
randomPointsXStepsFrom :: Int -> Point2 -> World -> [Point2]
randomPointsXStepsFrom i p w =
let g = _pathGraph w
ns = labNodes g
mp = listToMaybe $ sortBy (compare `on` dist p . snd) $ filter (flip (isWalkable p) w . snd) ns
in case mp of
Nothing -> [p]
Just (n,_) -> mapMaybe (lab g) (take i $ randomGraphWalk [n] g Data.Function.& evalState $ _randGen w)
------ continues a walk from a list of points, without repetitions
------ supposes that the list is non-empty
--randomGraphWalk :: RandomGen g => [Int] -> Gr a b -> State g [Int]
--randomGraphWalk (n:ns) g = do
-- next' <- randomGraphStepRestricted n ns g
-- case next' of
-- Nothing -> return (n:ns)
-- Just n' -> randomGraphWalk (n':n:ns) g
--randomGraphWalk _ _ = error "Trying to walk in an empty list"
--
--randomPointXStepsFrom :: Int -> Point2 -> World -> Point2
--randomPointXStepsFrom i p w =
-- let g = _pathGraph w
-- ns = labNodes g
-- mp = listToMaybe $ sortBy (compare `on` dist p . snd) $ filter (flip (isWalkable p) w . snd) ns
-- in case mp of
-- Nothing -> p
-- Just (n,_) -> fromJust
-- $ lab g (last $ take i $ randomGraphWalk [n] g Data.Function.& evalState $ _randGen w)
--
--randomPointsXStepsFrom :: Int -> Point2 -> World -> [Point2]
--randomPointsXStepsFrom i p w =
-- let g = _pathGraph w
-- ns = labNodes g
-- mp = listToMaybe $ sortBy (compare `on` dist p . snd) $ filter (flip (isWalkable p) w . snd) ns
-- in case mp of
-- Nothing -> [p]
-- Just (n,_) -> mapMaybe (lab g) (take i $ randomGraphWalk [n] g Data.Function.& evalState $ _randGen w)
--
--randomGraphStep :: RandomGen g => Int -> Gr a b -> State g (Maybe Int)
--randomGraphStep n g =
-- do let ns = neighbors g n
-- i <- state $ randomR (0,length ns - 1)
-- case ns of [] -> return Nothing
-- _ -> return $ Just $ ns !! i
--randomGraphStepRestricted :: RandomGen g => Int -> [Int] -> Gr a b -> State g (Maybe Int)
--randomGraphStepRestricted n notns g = do
-- let ns = neighbors g n \\ notns
-- i <- state $ randomR (0,length ns - 1)
-- case ns of
-- [] -> return Nothing
-- _ -> return $ Just $ ns !! i
+2 -6
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@@ -9,6 +9,7 @@ import Dodge.Picture
import Dodge.Picture.Layer
import Dodge.Render.HUD
import Dodge.Render.MenuScreen
import Dodge.Graph
import Geometry
import Picture
import Polyhedra.Data
@@ -58,12 +59,7 @@ customMouseCursor w =
$ pictures [ line [V2 (-5) 0,V2 5 0] , line [V2 0 (-5),V2 0 5] ]
testPic :: World -> Picture
testPic _ = blank
--setLayer 1 $ renderListAt 50 0 w $ map ((,white) . _grName) $ _gameRooms w
-- [ setDepth (-1) . translate 0 0.8
-- . scale 0.001 0.001 . text . show $ _crMvDir $ you w
-- ]
testPic w = color green . pictures . map (flip thickLine 5 . tflat2) . graphToEdges $ _pathGraph w
crDraw :: World -> Creature -> Picture
crDraw w c = _crPict c c w
+7 -1
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@@ -16,6 +16,7 @@ import Dodge.Creature
import Dodge.LevelGen.Data
--import Dodge.Base
import Dodge.RandomHelp
import Dodge.LevelGen
import Dodge.Default.Wall
--import Dodge.Path
--import Dodge.Layout
@@ -50,7 +51,7 @@ roomC :: Float -> Float -> Room
roomC x y = defaultRoom
{ _rmPolys = [rectNSWE y 0 0 x]
, _rmLinks = lnks
, _rmPath = []
, _rmPath = pth
, _rmPS = [windowLine (V2 (x/2) 0) (V2 (x/2) (y-60))
]
, _rmBound = [rectNSWE (y+5) (-5) (-5) (x+5)]
@@ -61,6 +62,11 @@ roomC x y = defaultRoom
,( ( 20, 0),pi)
,( ( 0, 20),pi/2)
]
xn = 4
yn = 4
yd = (y - 40) / fromIntegral yn
xd = (x - 40) / fromIntegral xn
pth = linksAndPath lnks $ translateS (V2 20 20) (makeGrid xd xn yd yn)
roomPadCut :: [Point2] -> Point2 -> Room
roomPadCut ps p = defaultRoom
+2
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@@ -6,6 +6,8 @@ module Dodge.Room.Procedural
, randomFourCornerRoom
, centerVaultRoom
, combineRooms
, linksAndPath
, makeGrid
) where
import Dodge.Data
import Dodge.Room.Data