tracer/src/Object/Copier.hs
2019-10-28 17:26:21 +01:00

93 lines
2.3 KiB
Haskell

{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE TypeSynonymInstances #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE FlexibleContexts #-}
module Object.Copier where
import Affection as A
import Control.Monad (when)
import Control.Monad.IO.Class
import Data.Ecstasy
import Data.Maybe
import Data.String (IsString(..))
import Linear
import Types
copierObjectAction
:: (Monad m, MonadIO m, ActionTime ObjType ObjState)
=> Double
-> ObjType
-> ObjState
-> Ent
-> SystemT Entity m ()
copierObjectAction dt t@ObjCopier s@"copying" ent = do
emap (anEnt ent) $ do
mtime <- queryMaybe objStateTime
case mtime of
Nothing -> do
liftIO $ logIO Verbose
("Copier " <> fromString (show ent) <> ": copying!")
return unchanged
{ objStateTime = Set (actionTime t s)
, objState = Set "copying"
}
Just ttl ->
return unchanged
{ objStateTime = Set (ttl - dt)
}
trans <- efor (anEnt ent) $ do
mttl <- queryMaybe objStateTime
case mttl of
Nothing -> return False
Just ttl -> return (ttl < 0)
when (head trans) (setEntity ent =<< copierObjectTransition t s False ent Nothing)
copierObjectAction _ _ _ _ = return ()
copierObjectTransition
:: (Eq a, IsString a, MonadIO m)
=> ObjType
-> a
-> Bool
-> Ent
-> Maybe Ent
-> SystemT Entity m (Entity 'SetterOf)
copierObjectTransition ObjCopier "idle" playerActivated ent (Just aent) = do
e <- efor (anEnt ent) $ do
let nstat = AnimState
(AnimId AnimCopier "copy" N)
0
0
return unchanged
{ objState = Set "copying"
, objUsedBy = Set aent
, objPlayerActivated = Set playerActivated
, anim = Set nstat
}
return (head e)
copierObjectTransition ObjCopier "copying" _ ent _ = do
e <- efor (anEnt ent) $ do
ttl <- query objStateTime
if ttl < 0
then do
let nstat = AnimState
(AnimId AnimCopier "open" N)
0
0
return unchanged
{ anim = Set nstat
, objState = Set "idle"
, objStateTime = Unset
, objPlayerActivated = Unset
, objUsedBy = Unset
}
else return unchanged
return (head e)
copierObjectTransition _ _ _ _ _ = return unchanged