PlayerCollection: add new class as spezialisation of FCollection<Player>

.gitattributes

@@ -623,6 +623,7 @@ forge-game/src/main/java/forge/game/player/GameLossReason.java -text
 forge-game/src/main/java/forge/game/player/IGameEntitiesFactory.java -text
 forge-game/src/main/java/forge/game/player/Player.java svneol=native#text/plain
 forge-game/src/main/java/forge/game/player/PlayerActionConfirmMode.java -text
+forge-game/src/main/java/forge/game/player/PlayerCollection.java -text svneol=unset#text/plain
 forge-game/src/main/java/forge/game/player/PlayerController.java -text
 forge-game/src/main/java/forge/game/player/PlayerOutcome.java -text
 forge-game/src/main/java/forge/game/player/PlayerPredicates.java -text svneol=unset#text/plain

forge-game/src/main/java/forge/game/Game.java

@@ -45,6 +45,7 @@ import forge.game.phase.PhaseType;
 import forge.game.phase.Untap;
 import forge.game.player.IGameEntitiesFactory;
 import forge.game.player.Player;
+import forge.game.player.PlayerCollection;
 import forge.game.player.PlayerView;
 import forge.game.player.RegisteredPlayer;
 import forge.game.replacement.ReplacementHandler;
@@ -57,8 +58,6 @@ import forge.game.trigger.TriggerType;
 import forge.game.zone.*;
 import forge.trackable.Tracker;
 import forge.util.Aggregates;
-import forge.util.collect.FCollection;
-import forge.util.collect.FCollectionView;
 import forge.util.Visitor;
 
 /**
@@ -66,9 +65,9 @@ import forge.util.Visitor;
  */
 public class Game {
     private final GameRules rules;
-    private final FCollection<Player> allPlayers = new FCollection<Player>();
-    private final FCollection<Player> ingamePlayers = new FCollection<Player>();
-    private final FCollection<Player> lostPlayers = new FCollection<Player>();
+    private final PlayerCollection allPlayers = new PlayerCollection();
+    private final PlayerCollection ingamePlayers = new PlayerCollection();
+    private final PlayerCollection lostPlayers = new PlayerCollection();
 
     private List<Card> activePlanes = null;
 
@@ -272,22 +271,22 @@ public class Game {
     /**
      * Gets the players who are still fighting to win.
      */
-    public final FCollectionView<Player> getPlayers() {
+    public final PlayerCollection getPlayers() {
         return ingamePlayers;
     }
 
-    public final FCollectionView<Player> getLostPlayers() {
+    public final PlayerCollection getLostPlayers() {
         return lostPlayers;
     }
 
     /**
      * Gets the players who are still fighting to win, in turn order.
      */
-    public final FCollectionView<Player> getPlayersInTurnOrder() {
+    public final PlayerCollection getPlayersInTurnOrder() {
         if (turnOrder.isDefaultDirection()) {
             return ingamePlayers;
         }
-        final FCollection<Player> players = new FCollection<Player>(ingamePlayers);
+        final PlayerCollection players = new PlayerCollection(ingamePlayers);
         Collections.reverse(players);
         return players;
     }
@@ -295,9 +294,9 @@ public class Game {
     /**
      * Gets the nonactive players who are still fighting to win, in turn order.
      */
-    public final FCollectionView<Player> getNonactivePlayers() {
+    public final PlayerCollection getNonactivePlayers() {
         // Don't use getPlayersInTurnOrder to prevent copying the player collection twice
-        final FCollection<Player> players = new FCollection<>(ingamePlayers);
+        final PlayerCollection players = new PlayerCollection(ingamePlayers);
         players.remove(phaseHandler.getPlayerTurn());
         if (!turnOrder.isDefaultDirection()) {
             Collections.reverse(players);

forge-game/src/main/java/forge/game/player/Player.java

@@ -18,7 +18,7 @@
 package forge.game.player;
 
 import com.google.common.base.Function;
-import com.google.common.base.Predicate;
+import com.google.common.base.Predicates;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Iterables;
@@ -263,14 +263,8 @@ public class Player extends GameEntity implements Comparable<Player> {
      * returns all opponents.
      * Should keep player relations somewhere in the match structure
      */
-    public final FCollection<Player> getOpponents() {
-        FCollection<Player> result = new FCollection<Player>();
-        for (Player p : game.getPlayers()) {
-            if (p.isOpponentOf(this)) {
-                result.add(p);
-            }
-        }
-        return result;
+    public final PlayerCollection getOpponents() {
+        return game.getPlayers().filter(PlayerPredicates.isOpponentOf(this));
     }
 
     public void updateOpponentsForView() {
@@ -319,22 +313,16 @@ public class Player extends GameEntity implements Comparable<Player> {
      * returns allied players.
      * Should keep player relations somewhere in the match structure
      */
-    public final FCollection<Player> getAllies() {
-        FCollection<Player> result = new FCollection<Player>();
-        for (Player p : game.getPlayers()) {
-            if (!p.isOpponentOf(this)) {
-                result.add(p);
-            }
-        }
-        return result;
+    public final PlayerCollection getAllies() {
+        return game.getPlayers().filter(Predicates.not(PlayerPredicates.isOpponentOf(this)));
     }
 
     /**
      * returns all other players.
      * Should keep player relations somewhere in the match structure
      */
-    public final FCollection<Player> getAllOtherPlayers() {
-        FCollection<Player> result = new FCollection<Player>(game.getPlayers());
+    public final PlayerCollection getAllOtherPlayers() {
+        PlayerCollection result = new PlayerCollection(game.getPlayers());
         result.remove(this);
         return result;
     }
@@ -344,14 +332,7 @@ public class Player extends GameEntity implements Comparable<Player> {
      * Should keep player relations somewhere in the match structure
      */
     public final Player getWeakestOpponent() {
-        List<Player> opponents = getOpponents();
-        Player weakest = opponents.get(0);
-        for (int i = 1; i < opponents.size(); i++) {
-            if (weakest.getLife() > opponents.get(i).getLife()) {
-                weakest = opponents.get(i);
-            }
-        }
-        return weakest;
+        return getOpponents().min(PlayerPredicates.compareByLife());
     }
 
     public boolean isOpponentOf(Player other) {
@@ -1838,7 +1819,7 @@ public class Player extends GameEntity implements Comparable<Player> {
         if (getOutcome() != null && getOutcome().lossState == GameLossReason.Conceded) {
             return false;
         }
-        return (hasKeyword("You can't lose the game.") || Iterables.any(getOpponents(), Predicates.CANT_WIN));
+        return (hasKeyword("You can't lose the game.") || Iterables.any(getOpponents(), PlayerPredicates.CANT_WIN));
     }
 
     public final boolean cantLoseForZeroOrLessLife() {
@@ -1952,7 +1933,7 @@ public class Player extends GameEntity implements Comparable<Player> {
     }
 
     public final boolean hasSurge() {
-        FCollection<Player> list = getAllies();
+        PlayerCollection list = getAllies();
         list.add(this);
         return !CardLists.filterControlledBy(game.getStack().getSpellsCastThisTurn(), list).isEmpty();
     }
@@ -2490,21 +2471,6 @@ public class Player extends GameEntity implements Comparable<Player> {
         return getName().compareTo(o.getName());
     }
 
-    public static class Predicates {
-        public static final Predicate<Player> NOT_LOST = new Predicate<Player>() {
-            @Override
-            public boolean apply(Player p) {
-                return p.getOutcome() == null || p.getOutcome().hasWon();
-            }
-        };
-        public static final Predicate<Player> CANT_WIN = new Predicate<Player>() {
-            @Override
-            public boolean apply(final Player p) {
-                return p.hasKeyword("You can't win the game.");
-            }
-        };
-    }
-
     public static class Accessors {
         public static Function<Player, String> FN_GET_NAME = new Function<Player, String>() {
             @Override

forge-game/src/main/java/forge/game/player/PlayerCollection.java

@@ -0,0 +1,66 @@
+package forge.game.player;
+
+import java.util.Collections;
+import java.util.Comparator;
+
+import com.google.common.base.Function;
+import com.google.common.base.Predicate;
+import com.google.common.collect.Iterables;
+
+import forge.game.card.CardCollection;
+import forge.game.zone.ZoneType;
+import forge.util.Aggregates;
+import forge.util.collect.FCollection;
+
+public class PlayerCollection extends FCollection<Player> {
+
+    private static final long serialVersionUID = -4374566955977201748L;
+
+    public PlayerCollection() {
+    }
+    
+    public PlayerCollection(Iterable<Player> players) {
+        this.addAll(players); 
+    }
+
+    // card collection functions
+    public final CardCollection getCardsIn(ZoneType zone) {
+        CardCollection result = new CardCollection();
+        for (Player p : this) {
+            result.addAll(p.getCardsIn(zone));
+        }
+        return result;
+    }
+    
+    public final CardCollection getCreaturesInPlay() {
+        CardCollection result = new CardCollection();
+        for (Player p : this) {
+            result.addAll(p.getCreaturesInPlay());
+        }
+        return result;
+    }
+    
+    // filter functions with predicate
+    public PlayerCollection filter(Predicate<Player> pred) {
+        return new PlayerCollection(Iterables.filter(this, pred));
+    }
+    
+    // sort functions with Comparator
+    Player min(Comparator<Player> comp) {
+        return Collections.min(this, comp);
+    }
+    Player max(Comparator<Player> comp) {
+        return Collections.min(this, comp);
+    }
+    
+    // value functions with Function
+    Integer min(Function<Player, Integer> func) {
+        return Aggregates.min(this, func);
+    }
+    Integer max(Function<Player, Integer> func) {
+        return Aggregates.max(this, func);
+    }
+    Integer sum(Function<Player, Integer> func) {
+        return Aggregates.sum(this, func);
+    }
+}

forge-game/src/main/java/forge/game/player/PlayerPredicates.java

@@ -61,4 +61,26 @@ public final class PlayerPredicates {
             }
         };
     }
+    
+    public static final Comparator<Player> compareByLife() {
+        return new Comparator<Player>() {
+            @Override
+            public int compare(Player arg0, Player arg1) {
+                return Integer.compare(arg0.getLife(), arg1.getLife());
+            }
+        };
+    }
+    
+    public static final Predicate<Player> NOT_LOST = new Predicate<Player>() {
+        @Override
+        public boolean apply(Player p) {
+            return p.getOutcome() == null || p.getOutcome().hasWon();
+        }
+    };
+    public static final Predicate<Player> CANT_WIN = new Predicate<Player>() {
+        @Override
+        public boolean apply(final Player p) {
+            return p.hasKeyword("You can't win the game.");
+        }
+    };
 }