Merge pull request #10 from WROracer/UNO-4

UNO-4 Add Game Logic

src/main/java/de/wroracer/uno/engine/Game.java

@@ -0,0 +1,117 @@
+package de.wroracer.uno.engine;
+
+import de.wroracer.uno.engine.card.Card;
+import de.wroracer.uno.engine.card.Deck;
+import de.wroracer.uno.engine.card.Special;
+import de.wroracer.uno.engine.error.CardNotPlayableError;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class Game {
+
+    private final Deck deck;
+    private final UUID id;
+    private final List<Player> players;
+    private final boolean clockwise = true;
+    private State state;
+    private Player currentTurn;
+
+    public Game() {
+        deck = new Deck();
+        players = new ArrayList<>();
+        id = UUID.randomUUID();
+
+        System.out.println(deck);
+    }
+
+
+    public Player addPlayer() {
+        Player p = new Player();
+        players.add(p);
+        return p;
+    }
+
+    public void removePlayer(Player p) {
+        players.remove(p);
+    }
+
+    public void startGame() {
+        this.state = State.IN_GAME;
+        for (int i = 0; i < players.size() * 7; i++) {
+            players.get(i % players.size()).getHand().add(deck.drawCard());
+        }
+        deck.discard(deck.drawCard());
+        this.currentTurn = players.get(0);
+    }
+
+    public Card getCurrentCard() {
+        return deck.currentCard();
+    }
+
+
+    public void play(Card card) {
+        if (card.canPlayedOn(deck.currentCard())) {
+            deck.discard(card);
+            currentTurn.getHand().remove(card);
+            if (card instanceof Special) {
+                ((Special) card).execute(this);
+            }
+            nextTurn();
+        } else {
+            throw new CardNotPlayableError(card, deck.currentCard());
+        }
+    }
+
+    private void nextTurn() {
+        if (currentTurn.getHand().size() == 0) {
+            state = State.FINISHED;
+            return;
+        }
+        int index = players.indexOf(currentTurn);
+        if (clockwise) {
+            index++;
+            if (index >= players.size()) {
+                index = 0;
+            }
+        } else {
+            index--;
+            if (index < 0) {
+                index = players.size() - 1;
+            }
+        }
+        currentTurn = players.get(index);
+    }
+
+    public boolean canBePlay(Card card) {
+        return card.canPlayedOn(deck.currentCard());
+    }
+
+    public void draw(Player player) {
+        if (player == currentTurn) {
+            player.getHand().add(deck.drawCard());
+            nextTurn();
+        } else {
+            player.getHand().add(deck.drawCard());
+        }
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public Player getCurrentTurn() {
+        return currentTurn;
+    }
+
+    public List<Player> getPlayers() {
+        return players;
+    }
+
+    public enum State {
+        LOBBY,
+        IN_GAME,
+        FINISHED
+    }
+}

src/main/java/de/wroracer/unoengine/Player.java → src/main/java/de/wroracer/uno/engine/Player.java

@@ -1,16 +1,16 @@
-package de.wroracer.unoengine;
+package de.wroracer.uno.engine;
 
-import de.wroracer.unoengine.card.Card;
+import de.wroracer.uno.engine.card.Card;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
 
 public class Player {
-    private List<Card> hand;
-    private UUID id;
+    private final List<Card> hand;
+    private final UUID id;
 
-    public Player(){
+    public Player() {
         id = UUID.randomUUID();
         hand = new ArrayList<>();
     }

src/main/java/de/wroracer/unoengine/card/Card.java → src/main/java/de/wroracer/uno/engine/card/Card.java

@@ -1,4 +1,4 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
 public class Card {
     protected Color color;

src/main/java/de/wroracer/unoengine/card/Deck.java → src/main/java/de/wroracer/uno/engine/card/Deck.java

@@ -1,4 +1,4 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
 import java.util.ArrayDeque;
 import java.util.List;

src/main/java/de/wroracer/unoengine/card/DrawTwoCard.java → src/main/java/de/wroracer/uno/engine/card/DrawTwoCard.java

@@ -1,14 +1,14 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
-import de.wroracer.unoengine.Game;
+import de.wroracer.uno.engine.Game;
 
 public class DrawTwoCard extends Card implements Special {
     public DrawTwoCard(Color color) {
         super(color, Type.DRAW_TWO);
     }
 
     @Override
-    public void performAction(Game game) {
+    public void execute(Game game) {
         //TODO
     }
 }

src/main/java/de/wroracer/unoengine/card/ReverseCard.java → src/main/java/de/wroracer/uno/engine/card/ReverseCard.java

@@ -1,14 +1,14 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
-import de.wroracer.unoengine.Game;
+import de.wroracer.uno.engine.Game;
 
 public class ReverseCard extends Card implements Special {
     public ReverseCard(Color color) {
         super(color, Type.REVERSE);
     }
 
     @Override
-    public void performAction(Game game) {
+    public void execute(Game game) {
         //TODO
     }
 }

src/main/java/de/wroracer/unoengine/card/SkipCard.java → src/main/java/de/wroracer/uno/engine/card/SkipCard.java

@@ -1,14 +1,14 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
-import de.wroracer.unoengine.Game;
+import de.wroracer.uno.engine.Game;
 
 public class SkipCard extends Card implements Special {
     public SkipCard(Color color) {
         super(color, Type.SKIP);
     }
 
     @Override
-    public void performAction(Game game) {
+    public void execute(Game game) {
         //TODO
     }
 }

src/main/java/de/wroracer/uno/engine/card/Special.java

@@ -0,0 +1,9 @@
+package de.wroracer.uno.engine.card;
+
+import de.wroracer.uno.engine.Game;
+
+public interface Special {
+
+    void execute(Game game);
+
+}

src/main/java/de/wroracer/unoengine/card/WildCard.java → src/main/java/de/wroracer/uno/engine/card/WildCard.java

@@ -1,4 +1,4 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
 public class WildCard extends Card {
     public WildCard() {

src/main/java/de/wroracer/unoengine/card/WildDrawFourCard.java → src/main/java/de/wroracer/uno/engine/card/WildDrawFourCard.java

@@ -1,14 +1,14 @@
-package de.wroracer.unoengine.card;
+package de.wroracer.uno.engine.card;
 
-import de.wroracer.unoengine.Game;
+import de.wroracer.uno.engine.Game;
 
 public class WildDrawFourCard extends WildCard implements Special {
     public WildDrawFourCard() {
         this.type = Type.WILDE_DRAW_FOUR;
     }
 
     @Override
-    public void performAction(Game game) {
+    public void execute(Game game) {
         //TODO
     }
 }

src/main/java/de/wroracer/uno/engine/error/CardNotPlayableError.java

@@ -0,0 +1,9 @@
+package de.wroracer.uno.engine.error;
+
+import de.wroracer.uno.engine.card.Card;
+
+public class CardNotPlayableError extends UnoError {
+    public CardNotPlayableError(Card play, Card current) {
+        super("The card " + play + " is not playable on " + current);
+    }
+}

src/main/java/de/wroracer/uno/engine/error/UnoError.java

@@ -0,0 +1,16 @@
+package de.wroracer.uno.engine.error;
+
+public class UnoError extends Error {
+    public UnoError(String message) {
+        super(message);
+    }
+
+    public UnoError(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public UnoError(Throwable cause) {
+        super(cause);
+    }
+
+}