author  nemo 
Sat, 21 May 2016 15:23:08 0400  
changeset 11831  dd18d8100afd 
parent 11575  db7743e2fad1 
child 13079  81c154fd4380 
permissions  rwrr 
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1 
{ 
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* Hedgewars, a free turn based strategy game 
11046  3 
* Copyright (c) 20042015 Andrey Korotaev <unC0Rr@gmail.com> 
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* 
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* This program is free software; you can redistribute it and/or modify 
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* it under the terms of the GNU General Public License as published by 
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* the Free Software Foundation; version 2 of the License 
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* 
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* This program is distributed in the hope that it will be useful, 
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* but WITHOUT ANY WARRANTY; without even the implied warranty of 
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
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* GNU General Public License for more details. 
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* 
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* You should have received a copy of the GNU General Public License 
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* along with this program; if not, write to the Free Software 
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 021101301 USA. 
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\} 
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10058  19 
{# LANGUAGE OverloadedStrings #} 
10049  20 
module Votes where 
21 

22 
import Control.Monad.Reader 

10216  23 
import Control.Monad.State.Strict 
10049  24 
import ServerState 
10058  25 
import qualified Data.ByteString.Char8 as B 
10081  26 
import qualified Data.List as L 
10195  27 
import qualified Data.Map as Map 
10058  28 
import Data.Maybe 
10880  29 
import Control.Applicative 
10058  30 
 
31 
import Utils 

32 
import CoreTypes 

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import HandlerUtils 

10392  34 
import EngineInteraction 
10049  35 

10081  36 

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voted :: Bool > Bool > Reader (ClientIndex, IRnC) [Action] 
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voted forced vote = do 
10081  39 
cl < thisClient 
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rm < thisRoom 

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uid < liftM clUID thisClient 

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10392  43 
case voting rm of 
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Nothing > 

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return [AnswerClients [sendChan cl] ["CHAT", "[server]", loc "There's no voting going on"]] 

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Just voting > 

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if (not forced) && (uid `L.notElem` entitledToVote voting) then 
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return [] 
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else if (not forced) && (uid `L.elem` map fst (votes voting)) then 
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return [AnswerClients [sendChan cl] ["CHAT", "[server]", loc "You already have voted"]] 
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else if forced && (not $ isAdministrator cl) then 
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return [] 
10392  53 
else 
10880  54 
((:) (AnswerClients [sendChan cl] ["CHAT", "[server]", loc "Your vote counted"])) 
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<$> (actOnVoting $ voting{votes = (uid, vote):votes voting}) 

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10087  57 
where 
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actOnVoting :: Voting > Reader (ClientIndex, IRnC) [Action] 

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actOnVoting vt = do 

10212  60 
let (pro, contra) = L.partition snd $ votes vt 
10392  61 
let totalV = length $ entitledToVote vt 
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let successV = totalV `div` 2 + 1 

10087  63 

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if (forced && not vote)  (length contra > totalV  successV) then 
10087  65 
closeVoting 
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else if (forced && vote)  (length pro >= successV) then do 
10215  67 
a < act $ voteType vt 
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c < closeVoting 

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return $ c ++ a 

10087  70 
else 
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return [ModifyRoom $ \r > r{voting = Just vt}] 

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closeVoting = do 

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chans < roomClientsChans 

75 
return [ 

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AnswerClients chans ["CHAT", "[server]", loc "Voting closed"] 

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, ModifyRoom (\r > r{voting = Nothing}) 

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] 

79 

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act (VoteKick nickname) = do 

81 
(thisClientId, rnc) < ask 

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maybeClientId < clientByNick nickname 

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rm < thisRoom 

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let kickId = fromJust maybeClientId 

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let kickCl = rnc `client` kickId 

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let sameRoom = clientRoom rnc thisClientId == clientRoom rnc kickId 

87 
return 

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[KickRoomClient kickId  

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isJust maybeClientId 

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&& sameRoom 

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&& ((isNothing $ gameInfo rm)  teamsInGame kickCl == 0) 

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] 

10195  93 
act (VoteMap roomSave) = do 
94 
rm < thisRoom 

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let rs = Map.lookup roomSave (roomSaves rm) 

96 
case rs of 

97 
Nothing > return [] 

11575  98 
Just (location, mp, p) > do 
10218  99 
cl < thisClient 
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chans < roomClientsChans 

11575  101 
return $ 
102 
[ModifyRoom $ \r > r{params = p, mapParams = mp} 

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, AnswerClients chans ["CHAT", "[server]", location] 

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, SendUpdateOnThisRoom 

105 
, LoadGhost location] 

10392  106 
act (VotePause) = do 
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rm < thisRoom 

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chans < roomClientsChans 

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let modifyGameInfo f room = room{gameInfo = fmap f $ gameInfo room} 

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return [ModifyRoom (modifyGameInfo $ \g > g{isPaused = not $ isPaused g}), 

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AnswerClients chans ["CHAT", "[server]", loc "Pause toggled"], 
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AnswerClients chans ["EM", toEngineMsg "I"]] 
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act (VoteNewSeed) = 
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return [SetRandomSeed] 
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act (VoteHedgehogsPerTeam h) = do 
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rm < thisRoom 
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chans < roomClientsChans 
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let answers = concatMap (\t > 
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[ModifyRoom $ modifyTeam t{hhnum = h} 
10787  120 
, AnswerClients chans ["HH_NUM", teamname t, showB h]] 
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) $ if length curteams * h > 48 then [] else curteams 
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; 
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curteams = 
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if isJust $ gameInfo rm then 
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teamsAtStart . fromJust . gameInfo $ rm 
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else 
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teams rm 
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return $ ModifyRoom (\r > r{defaultHedgehogsNumber = h}) : answers 
10081  130 

10049  131 

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startVote :: VoteType > Reader (ClientIndex, IRnC) [Action] 

10058  133 
startVote vt = do 
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(ci, rnc) < ask 

10090  135 
cl < thisClient 
10058  136 
rm < thisRoom 
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chans < roomClientsChans 

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let uids = map (clUID . client rnc) . roomClients rnc $ clientRoom rnc ci 

140 

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if isJust $ voting rm then 

142 
return [] 

143 
else 

10212  144 
return [ 
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ModifyRoom (\r > r{voting = Just (newVoting vt){entitledToVote = uids}}) 

146 
, AnswerClients chans ["CHAT", "[server]", B.concat [loc "New voting started", ": ", voteInfo vt]] 

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, ReactCmd ["VOTE", "YES"] 

10215  148 
] 
10081  149 

10049  150 

10215  151 
checkVotes :: StateT ServerState IO [Action] 
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checkVotes = do 

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rnc < gets roomsClients 

10216  154 
liftM concat $ io $ do 
10215  155 
ris < allRoomsM rnc 
10216  156 
mapM (check rnc) ris 
10215  157 
where 
158 
check rnc ri = do 

159 
e < room'sM rnc voting ri 

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case e of 

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Just rv > do 

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modifyRoom rnc (\r > r{voting = if voteTTL rv == 0 then Nothing else Just rv{voteTTL = voteTTL rv  1}}) ri 

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if voteTTL rv == 0 then do 

10216  164 
chans < liftM (map sendChan) $ roomClientsM rnc ri 
10215  165 
return [AnswerClients chans ["CHAT", "[server]", loc "Voting expired"]] 
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else 

167 
return [] 

10216  168 
Nothing > return [] 
10058  169 

10081  170 

10058  171 
voteInfo :: VoteType > B.ByteString 
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voteInfo (VoteKick n) = B.concat [loc "kick", " ", n] 

10195  173 
voteInfo (VoteMap n) = B.concat [loc "map", " ", n] 
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voteInfo (VotePause) = B.concat [loc "pause"] 
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voteInfo (VoteNewSeed) = B.concat [loc "new seed"] 
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voteInfo (VoteHedgehogsPerTeam i) = B.concat [loc "number of hedgehogs in team", " ", showB i] 