From 7b228fed7b480cc5825bb168567a556269f785cb Mon Sep 17 00:00:00 2001
From: Timothée Floure
Date: Mon, 14 Mar 2016 13:32:49 +0100
Subject: Fill the GameState class as requested in week 04

---
 src/ch/epfl/xblast/server/GameState.java | 108 +++++++++++++++++++++++++++++--
 1 file changed, 101 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/ch/epfl/xblast/server/GameState.java b/src/ch/epfl/xblast/server/GameState.java
index 625767a..685bc54 100644
--- a/src/ch/epfl/xblast/server/GameState.java
+++ b/src/ch/epfl/xblast/server/GameState.java
@@ -2,10 +2,18 @@ package ch.epfl.xblast.server;
 
 import java.util.List;
 import java.util.Optional;
+import java.util.Objects;
+import java.util.ArrayList;
+import java.util.Optional;
 import ch.epfl.xblast.*;
 import ch.epfl.cs108.Sq;
 
+/**
+ * @author Timothée FLOURE (257420)
+ */
+
 public final class GameState {
+
     private final int ticks;
     private final Board board;
     private final List<Player> players;
@@ -13,37 +21,123 @@ public final class GameState {
     private final List<Sq<Sq<Cell>>> explosions;
     private final List<Sq<Cell>> blasts;
 
+    /**
+     * Instanciates a new GameState.
+     *
+     * @param ticks thie tick corresponding to the state
+     * @param board the board
+     * @param players list of the players
+     * @param bombs list of the bombs
+     * @param explosions list of the explosions
+     * @param blasts
+     * @throws IllegalArguementException if ticks is negative or players does not contains 4 players.
+     * @throws NullPointerException if any element except ticks is null.
+     */
     public GameState(int ticks, Board board, List<Player> players, List<Bomb> bombs, List<Sq<Sq<Cell>>> explosions, List<Sq<Cell>> blasts) {
+        this.ticks = ArgumentChecker.requireNonNegative(ticks);
+        this.board = Objects.requireNonNull(board);
+        if (players.size() == 4) {
+            this.players = players;
+        } else {
+            throw new IllegalArgumentException();
+        }
+        this.bombs = Objects.requireNonNull(bombs);
+        this.explosions = Objects.requireNonNull(explosions);
+        this.blasts = Objects.requireNonNull(blasts);
     }
 
+    /**
+     * Instanciates a new (clean) GameState.
+     *
+     * @param board the board
+     * @param players list of the players
+     */
     public GameState(Board board, List<Player> players) {
+        this(0,
+             board,
+             players,
+             new ArrayList<Bomb>(),
+             new ArrayList<Sq<Sq<Cell>>>(),
+             new ArrayList<Sq<Cell>>()
+             );
+
     }
 
+    /**
+     * @return the tick related to the state.
+     */
     public int ticks() {
-        return 0;
+        return ticks;
     }
 
+    /**
+     * Returns T(the game is over)
+     *
+     * @return true if all the players are dead or if the game reachead the time limit
+     */
     public boolean isGameOver() {
-        return false;
+        int alivePlayerCount = 0;
+        for (Player player : players) {
+            if (player.isAlive()) {alivePlayerCount += 1;}
+        }
+        if (alivePlayerCount == 0 || this.ticks >= Ticks.TOTAL_TICKS) {
+            return true;
+        } else {
+            return false;
+        }
     }
 
+    /**
+     * Return the remaining time.
+     *
+     * @return the ramaining game time (in seconds)
+     */
     public double remainingTime() {
-        return 0;
+        return (double) (Ticks.TOTAL_TICKS - this.ticks) / Ticks.TICKS_PER_SECOND;
     }
 
+    /**
+     * Returns the winner of the game.
+     *
+     * @return the ID of the player who winned the game.
+     */
     public Optional<PlayerID> winner() {
-        return null;
+        if (players.size() == 1 && this.ticks < Ticks.TOTAL_TICKS) {
+            PlayerID winnerId = players.get(0).id();
+            return Optional.of(winnerId);
+        } else {
+            return Optional.empty();
+        }
     }
 
+    /**
+     * @return the game board
+     */
     public Board board() {
-        return null;
+        return this.board;
     }
 
+    /**
+     * @return the players
+     */
     public List<Player> players() {
-        return null;
+        return this.players;
     }
 
+    /**
+     * Returns the alive players.
+     *
+     * @return a list of the alive players
+     */
     public List<Player> alivePlayers() {
-        return null;
+        List<Player> alivePlayers = new ArrayList<>();
+
+        for (Player player : players) {
+            if (player.isAlive()) {
+                alivePlayers.add(player);
+            }
+        }
+
+        return alivePlayers;
     }
 }
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