File: ServerOptions.hs

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-- | Server and client game state types and operations.
module Game.LambdaHack.Server.ServerOptions
  ( ServerOptions(..), RNGs(..), defServerOptions
  ) where

import Prelude ()

import Game.LambdaHack.Core.Prelude

import           Data.Binary
import qualified System.Random.SplitMix32 as SM

import Game.LambdaHack.Common.ClientOptions
import Game.LambdaHack.Common.Faction
import Game.LambdaHack.Content.ModeKind
import Game.LambdaHack.Definition.Defs

-- | Options that affect the behaviour of the server (including game rules).
data ServerOptions = ServerOptions
  { sknowMap           :: Bool
  , sknowEvents        :: Bool
  , sknowItems         :: Bool
  , sniff              :: Bool
  , sallClear          :: Bool
  , sboostRandomItem   :: Bool
  , sgameMode          :: Maybe (GroupName ModeKind)
  , sautomateAll       :: Bool
  , skeepAutomated     :: Bool
  , sdungeonRng        :: Maybe SM.SMGen
  , smainRng           :: Maybe SM.SMGen
  , snewGameSer        :: Bool
  , scurChalSer        :: Challenge
  , sdumpInitRngs      :: Bool
  , ssavePrefixSer     :: String
  , sdbgMsgSer         :: Bool
  , sassertExplored    :: Maybe Int
  , sshowItemSamples   :: Bool
  , sstopAfterGameOver :: Bool
  , sclientOptions     :: ClientOptions
      -- The client debug inside server debug only holds the client commandline
      -- options and is never updated with config options, etc.
  }
  deriving Show

data RNGs = RNGs
  { dungeonRandomGenerator  :: Maybe SM.SMGen
  , startingRandomGenerator :: Maybe SM.SMGen
  }

instance Show RNGs where
  show RNGs{..} =
    let args = [ maybe "" (\gen -> "--setDungeonRng \"" ++ show gen ++ "\"")
                       dungeonRandomGenerator
               , maybe "" (\gen -> "--setMainRng \"" ++ show gen ++ "\"")
                       startingRandomGenerator ]
    in unwords args

instance Binary ServerOptions where
  put ServerOptions{..} = do
    put sknowMap
    put sknowEvents
    put sknowItems
    put sniff
    put sallClear
    put sboostRandomItem
    put sgameMode
    put sautomateAll
    put skeepAutomated
    put scurChalSer
    put ssavePrefixSer
    put sdbgMsgSer
    put sassertExplored
    put sshowItemSamples
    put sclientOptions
  get = do
    sknowMap <- get
    sknowEvents <- get
    sknowItems <- get
    sniff <- get
    sallClear <- get
    sboostRandomItem <- get
    sgameMode <- get
    sautomateAll <- get
    skeepAutomated <- get
    scurChalSer <- get
    ssavePrefixSer <- get
    sdbgMsgSer <- get
    sassertExplored <- get
    sshowItemSamples <- get
    sclientOptions <- get
    let sdungeonRng = Nothing
        smainRng = Nothing
        snewGameSer = False
        sdumpInitRngs = False
        sstopAfterGameOver = False
    return $! ServerOptions{..}

instance Binary RNGs where
  put RNGs{..} = do
    put (show dungeonRandomGenerator)
    put (show startingRandomGenerator)
  get = do
    dg <- get
    sg <- get
    let dungeonRandomGenerator = read dg
        startingRandomGenerator = read sg
    return $! RNGs{..}

-- | Default value of server options.
defServerOptions :: ServerOptions
defServerOptions = ServerOptions
  { sknowMap = False
  , sknowEvents = False
  , sknowItems = False
  , sniff = False
  , sallClear = False
  , sboostRandomItem = False
  , sgameMode = Nothing
  , sautomateAll = False
  , skeepAutomated = False
  , sdungeonRng = Nothing
  , smainRng = Nothing
  , snewGameSer = False
  , scurChalSer = defaultChallenge
  , sdumpInitRngs = False
  , ssavePrefixSer = ""
  , sdbgMsgSer = False
  , sassertExplored = Nothing
  , sshowItemSamples = False
  , sstopAfterGameOver = False
  , sclientOptions = defClientOptions
  }