Starting to implement basic methods for mini game & team mini game

src/main/java/moe/sdg/PluginSDG/MiniGame.java

@@ -1,20 +1,43 @@
 package moe.sdg.PluginSDG;
 
-public interface MiniGame
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+
+public abstract class MiniGame
 {
+	private final ArrayList<Player> _players;
+	
+	public MiniGame()
+	{
+		this._players = new ArrayList<Player>();
+	}
+	
 	//! @brief Return the current count of players in the game.
-	int getCurrentPlayers();
+	public int getCurrentPlayers()
+	{
+		return this._players.size();
+	}
+	
 	//! @brief Maximum number of player in the game.
-	int getMaxPlayers();
+	public abstract int getMaxPlayers();
 	
 	///! @brief Method called when a player wants to join the game.
+	//! @param player The player who will join
 	//! @return True if the player has joined the game, false otherwise.
-	boolean join();
+	public boolean join(Player player)
+	{
+		if (this.getMaxPlayers() < this.getCurrentPlayers() + 1)
+			return false;
+		this._players.add(player);
+		return true;
+	}
+	
 	//! @brief Method called when a player wants to leave the game.
-	void leave();
+	public abstract void leave();
 	
 	//! @brief Start the game.
-	void start();
+	public abstract void start();
 	//! @brief End the game.
-	void end();
+	public abstract void end();
 }

src/main/java/moe/sdg/PluginSDG/TeamMiniGame.java

@@ -0,0 +1,49 @@
+package moe.sdg.PluginSDG;
+
+import org.bukkit.entity.Player;
+import java.util.ArrayList;
+
+class Team
+{
+	public String name;
+	private final ArrayList<Player> _players;
+	public int maxPlayer;
+	
+	public Team(String name, int maxPlayer)
+	{
+		this.name = name;
+		this.maxPlayer = maxPlayer;
+		this._players = new ArrayList<Player>();
+	}
+	
+	//! @brief Make a player join the team.
+	//! @param player The player who will join.
+	public boolean join(Player player)
+	{
+		if (this.playerCount() + 1 > this.maxPlayer)
+			return false;
+		this._players.add(player);
+		return true;
+	}
+	
+	public int playerCount()
+	{
+		return this._players.size();
+	}
+}
+
+public abstract class TeamMiniGame extends MiniGame
+{
+	private final ArrayList<Team> _teams;
+	
+	public TeamMiniGame()
+	{
+		this._teams = new ArrayList<Team>();
+	}
+	
+	//! @brief Get the number of teams.
+	public int getTeamCount()
+	{
+		return this._teams.size();
+	}
+}