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Projektgruppe_175/src/game/goals/PopulationGoal.java

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+package game.goals;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import game.Game;
+import game.Goal;
+import game.Player;
+import game.map.Castle;
+
+public class PopulationGoal extends Goal {
+
+	private int populationNeeded = 10;
+	private int castlesNeeded = 5;
+	
+	public PopulationGoal() {
+		super("Bevölkerung", "Derjenige Spieler gewinnt, der als erstes jeweils 10 Truppen auf 5 Burgen bringt");
+	}
+	
+    @Override
+    public boolean isCompleted() {
+        return this.getWinner() != null;
+    }
+    
+    @Override
+    public Player getWinner() {
+        Game game = this.getGame();
+        
+        if(game.getRound() < 2)
+            return null;
+
+       
+        // Ansonsten: Bevölkerung zählen
+        
+        int numberOfHighPopulationCastles = 0;
+        
+        List<Player> highPopulationPlayers = new ArrayList<>();
+        
+        for (Player p : game.getPlayers()) {
+        	for(Castle c : p.getCastles(game)) {
+        		if(c.getTroopCount() >= populationNeeded) {
+        			numberOfHighPopulationCastles++;
+        		}
+        	}
+        	
+        	if(numberOfHighPopulationCastles >= castlesNeeded) {
+        		highPopulationPlayers.add(p);
+        	}
+        	
+        	numberOfHighPopulationCastles = 0;
+        	
+        }
+        
+        if(highPopulationPlayers.size() == 1) {
+        	return highPopulationPlayers.get(0);
+        } else if(highPopulationPlayers.size() > 1) {
+        	// Spieler mit insgesamt größter Bevölkerung gewinnt
+        	
+        	Comparator<Player> comp = new Comparator<Player>() {
+
+				@Override
+				public int compare(Player o1, Player o2) {
+					return Integer.compare(o1.getNumRegions(game), o2.getNumRegions(game));
+				}
+        		
+        	};
+        	return Collections.max(highPopulationPlayers, comp);      	
+        }
+        
+        // Ansonsten... gewinnt noch kein spieler.
+        return null;
+        
+    }
+    
+    
+    @Override
+    public boolean hasLost(Player player) {
+        if(getGame().getRound() < 2)
+            return false;
+
+        return player.getNumRegions(getGame()) == 0 || (this.isCompleted() && !player.equals(this.getWinner()));
+    }
+    
+}