src/main/java/com/codingame/game/Referee.java

   1 package com.codingame.game;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6 import java.util.Random;
   7
   8 import com.codingame.gameengine.core.AbstractPlayer.TimeoutException;
   9 import com.codingame.gameengine.core.AbstractReferee;
  10 import com.codingame.gameengine.core.GameManager;
  11 import com.codingame.gameengine.core.MultiplayerGameManager;
  12 import com.codingame.gameengine.module.entities.GraphicEntityModule;
  13 import com.codingame.gameengine.module.entities.Rectangle;
  14 import com.codingame.gameengine.module.entities.Sprite;
  15 import com.codingame.gameengine.module.entities.Text;
  16 import com.codingame.gameengine.module.entities.Curve;
  17 import com.google.inject.Inject;
  18 import com.google.inject.Provider;
  19
  20 public class Referee extends AbstractReferee {
  21     @Inject private MultiplayerGameManager<Player> gameManager;
  22     @Inject private GraphicEntityModule graphicEntityModule;
  23
  24     @Inject private View view;
  25     @Inject private Model model;
  26
  27     @Override
  28     public void init() {
  29         model.init(gameManager.getSeed());
  30         gameManager.getPlayer(0).model = model.p0;
  31         gameManager.getPlayer(1).model = model.p1;
  32
  33         for (Player p: gameManager.getPlayers()) {
  34             p.gameInit(model.roadLength, model.initialStones);
  35         }
  36
  37         view.init(model);
  38         gameManager.getPlayer(0).view = view.p0;
  39         gameManager.getPlayer(1).view = view.p1;
  40         gameManager.setFrameDuration(2000);
  41     }
  42
  43     @Override
  44     public void gameTurn(int turn) {
  45         // System.err.println("Starting turn " + turn);
  46
  47         view.startTurn();
  48
  49         for (Player player : gameManager.getActivePlayers()) {
  50             player.sendGameTurn();
  51         }
  52         // SDK @#%^&! arbitrary sequence point: last input < first output
  53
  54         /* Parse player actions and decide basic disqualifications.
  55          * Display their optional message right now: if their action
  56          * is ill-formed it could help them debug.  Or shame them, at
  57          * least.
  58          */
  59         boolean disqual = false;
  60         for (Player player : gameManager.getActivePlayers()) {
  61             player.receiveGameTurn();
  62             switch (player.type) {
  63             case Timeout:
  64                 gameManager.addToGameSummary(player.getNicknameToken() + " timed out!");
  65                 player.deactivate(player.getNicknameToken() + " T/O");
  66                 player.setScore(-1);
  67                 disqual = true;
  68                 break;
  69             case Invalid:
  70                 player.deactivate(player.getNicknameToken() + " INVALID");
  71                 gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " provided an ill-formed action"));
  72                 player.setScore(-1);
  73                 disqual = true;
  74                 break;
  75             case Throw:
  76                 try { player.model.consumeStones(player.stoneThrow); }
  77                 catch (Model.Player.ThrewMoreStonesThanHad e) {
  78                     if (model.random.nextInt(10) > 0) {
  79                         gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried to throw more stones than they had.  I'll let it slide for this time.  (But not let them throw that much!)"));
  80                         player.stoneThrow = player.model.consumeMaxStones();
  81                     }
  82                     else {
  83                         gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried to throw more stones than they had.  They went into debt trying to provide.  The economy tanked, recession and famine ensued; even the troll wouldn't have wanted to bash them anymore.  But that's no victory."));
  84                         player.deactivate(player.getNicknameToken() + " ILLEGAL");
  85                         player.setScore(-1);
  86                         disqual = true;
  87                     }
  88                 }
  89                 catch (Model.Player.FailedToThrowStonesAndShouldHave e) {
  90                     if (model.random.nextInt(10) > 0) {
  91                         gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " tried not throwing any stones.  Fixing that for them because I'm in a good mood today."));
  92                         player.stoneThrow = player.model.consumeMinStones();
  93                     }
  94                     else {
  95                         gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + "tried not throwing any stones.  They were then eaten by a grue."));
  96                         player.deactivate(player.getNicknameToken() + " ILLEGAL");
  97                         player.setScore(-1);
  98                         disqual = true;
  99                     }
 100                 }
 101                 break;
 102             }
 103             player.view.displayMessage(player.messageString);
 104         }
 105
 106         /* Update game model and view.
 107          *
 108          * As a special case, the "cheater" (sending out negative
 109          * stones) handling is deferred here because we need to update
 110          * its view for it to be funny.  In the end, they're still
 111          * disqualified.
 112          *
 113          * Gather other game end scenarios (actual victory or stone
 114          * exhaustion).
 115          */
 116         int delta = 0;
 117         boolean victory = false;
 118         boolean exhausted = false;
 119         if (! disqual) {
 120             for (Player player : gameManager.getActivePlayers()) {
 121                 gameManager.addToGameSummary(String.format("%s throws %d stone%s at the troll.", player.getNicknameToken(), player.stoneThrow, player.stoneThrow == 1 ? "" : "s"));
 122                 delta += player.model.getMultiplier() * player.stoneThrow;
 123
 124                 if (player.stoneThrow < 0) {
 125                     player.deactivate(player.getNicknameToken() + " CHEAT");
 126                     gameManager.addToGameSummary(GameManager.formatErrorMessage(player.getNicknameToken() + " cheated.  Banning account."));
 127                     player.setScore(-1);
 128                     disqual = true;
 129                 }
 130                 else if (player.stoneThrow > 0) {
 131                     player.view.animateStones(player.stoneThrow);
 132                     player.view.updateStoneCounter();
 133                 }
 134             }
 135
 136             /* If a player cheated, delta is unusable as is.
 137              * (Consider the case the player on the right sent
 138              * INT_MIN.  INT_MIN * (-1) = INT_MIN, so that player
 139              * would both glean the stones *and* push the troll away.
 140              * It would be unfair to have a cheating player "win"
 141              * (earn the opponent castle destruction animation) this
 142              * way.
 143              */
 144             boolean cheat0 = gameManager.getPlayer(0).stoneThrow < 0;
 145             boolean cheat1 = gameManager.getPlayer(1).stoneThrow < 0;
 146             if (cheat0 && cheat1); // here we can actually keep delta's value
 147             else if (cheat0) delta = -1;
 148             else if (cheat1) delta =  1;
 149
 150             if (delta > 0) {
 151                 gameManager.addToGameSummary("Troll walks right.");
 152                 model.trollPosition++;
 153             }
 154             else if (delta < 0) {
 155                 gameManager.addToGameSummary("Troll walks left.");
 156                 model.trollPosition--;
 157             }
 158             else {
 159                 gameManager.addToGameSummary("Troll stands still.");
 160                 // XXX animate
 161             }
 162             view.moveTroll();
 163
 164             for (Player player : gameManager.getActivePlayers()) {
 165                 player.model.adjustScore(model.trollPosition);
 166             }
 167
 168             if (model.haveWinner()) {
 169                 int loser = model.getLoser();
 170                 gameManager.addToGameSummary(GameManager.formatErrorMessage("Troll destroys " + gameManager.getPlayer(loser).getNicknameToken()) + ".");
 171                 gameManager.getPlayer(loser).view.destroy();
 172                 victory = true;
 173             }
 174             else if (model.exhausted()) exhausted = true;
 175         }
 176
 177         if (disqual || victory || exhausted) endGame();
 178     }
 179
 180     private void endGame() {
 181         gameManager.endGame();
 182
 183         Player p0 = gameManager.getPlayer(0);
 184         Player p1 = gameManager.getPlayer(1);
 185
 186         int s0 = p0.getScore();
 187         int s1 = p1.getScore();
 188
 189         if (s0 > s1) {
 190             gameManager.addToGameSummary(GameManager.formatSuccessMessage(p0.getNicknameToken() + " wins."));
 191             p1.view.markLoser();
 192         }
 193         else if (s0 < s1) {
 194             gameManager.addToGameSummary(GameManager.formatSuccessMessage(p1.getNicknameToken() + " wins."));
 195             p0.view.markLoser();
 196         }
 197         else if (s0 < 0) {
 198             gameManager.addToGameSummary(GameManager.formatErrorMessage("Everybody loses!"));
 199             p0.view.markLoser();
 200             p1.view.markLoser();
 201         }
 202         else {
 203             gameManager.addToGameSummary("Draw.");
 204         }
 205     }
 206 }