feat: Server can make a random position, role, character to start game

src/main/java/com/lapisberry/game/controllers/LobbyController.java

@@ -1,16 +1,24 @@
 package com.lapisberry.game.controllers;
 
+import com.lapisberry.game.entities.characters.CharacterEnum;
+import com.lapisberry.game.entities.players.Player;
+import com.lapisberry.game.entities.players.Role;
+import com.lapisberry.utils.Randomizer;
+import com.lapisberry.utils.RoleCountHelper;
 import javafx.util.Pair;
 
 import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.Arrays;
 
 public class LobbyController implements Serializable {
     @Serial
-    private static final long serialVersionUID = -3466527055512798470L;
+    private static final long serialVersionUID = -5453436562134546375L;
     // Fields
     private ArrayList<Pair<Integer, String>> players; // Pair<clientId, playerName>
+    private ArrayList<Player> shuffledPlayers;
+    private ArrayList<CharacterEnum> shuffledCharacters;
 
     // Constructors
     public LobbyController() {
@@ -26,6 +34,39 @@ public void removePlayer(int clientId) {
         players.removeIf(pair -> pair.getKey() == clientId);
     }
 
+    public void setupShuffledPlayersAndShuffledCharacters() {
+        shuffledPlayers = new ArrayList<>();
+        shuffledCharacters = new ArrayList<>(Arrays.asList(CharacterEnum.values()));
+        for (Pair<Integer, String> player : players) {
+            shuffledPlayers.add(new Player(player.getKey(), player.getValue()));
+        }
+        Randomizer.shuffleArrayList(shuffledPlayers);
+        assignRole(shuffledPlayers);
+        Randomizer.shuffleArrayList(shuffledPlayers);
+        Randomizer.shuffleArrayList(shuffledCharacters);
+    }
+
+    private void assignRole(ArrayList<Player> shuffledPlayers) {
+        int size = shuffledPlayers.size();
+        int emCount = RoleCountHelper.getEmperors(size);
+        int roCount = RoleCountHelper.getRoyalists(size);
+        int reCount = RoleCountHelper.getRebels(size);
+        int spCount = RoleCountHelper.getSpies(size);
+
+        for (int i = 0; i < emCount; ++i) {
+            shuffledPlayers.get(i).setRole(Role.EMPEROR);
+        }
+        for (int i = emCount; i < roCount + emCount; ++i) {
+            shuffledPlayers.get(i).setRole(Role.ROYALIST);
+        }
+        for (int i = roCount + emCount; i < roCount + reCount + emCount; ++i) {
+            shuffledPlayers.get(i).setRole(Role.REBEL);
+        }
+        for (int i = roCount + reCount + emCount; i < roCount + reCount + spCount + emCount; ++i) {
+            shuffledPlayers.get(i).setRole(Role.SPY);
+        }
+    }
+
     @Override
     public String toString() {
         StringBuilder stringBuilder = new StringBuilder();
@@ -43,4 +84,20 @@ public ArrayList<Pair<Integer, String>> getPlayers() {
     public void setPlayers(ArrayList<Pair<Integer, String>> players) {
         this.players = players;
     }
+
+    public ArrayList<Player> getShuffledPlayers() {
+        return shuffledPlayers;
+    }
+
+    public void setShuffledPlayers(ArrayList<Player> shuffledPlayers) {
+        this.shuffledPlayers = shuffledPlayers;
+    }
+
+    public ArrayList<CharacterEnum> getShuffledCharacters() {
+        return shuffledCharacters;
+    }
+
+    public void setShuffledCharacters(ArrayList<CharacterEnum> shuffledCharacters) {
+        this.shuffledCharacters = shuffledCharacters;
+    }
 }

src/main/java/com/lapisberry/net/Client.java

@@ -4,10 +4,7 @@
 import com.lapisberry.game.controllers.GameController;
 import com.lapisberry.game.controllers.LobbyController;
 import com.lapisberry.gui.scenes.LobbyScene;
-import com.lapisberry.net.packets.ClientPacket;
-import com.lapisberry.net.packets.JoinResponsePacket;
-import com.lapisberry.net.packets.LobbyPacket;
-import com.lapisberry.net.packets.ServerPacket;
+import com.lapisberry.net.packets.*;
 import com.lapisberry.utils.Config;
 import com.lapisberry.utils.exceptions.ConnectionRefusedException;
 import javafx.application.Platform;
@@ -69,6 +66,8 @@ private void processPacketFromServer(ServerPacket packet) {
         } else if (packet instanceof LobbyPacket lobbyPacket) {
             clientLobby.setPlayers(lobbyPacket.getPlayers());
             LobbyScene.updatePlayerList(clientLobby);
+        } else if (packet instanceof ServerStartGamePacket) {
+            // TODO: Implement this packet
         }
     }
 

src/main/java/com/lapisberry/net/Server.java

@@ -2,10 +2,7 @@
 
 import com.lapisberry.game.controllers.GameController;
 import com.lapisberry.game.controllers.LobbyController;
-import com.lapisberry.net.packets.ClientPacket;
-import com.lapisberry.net.packets.JoinRequestPacket;
-import com.lapisberry.net.packets.LobbyPacket;
-import com.lapisberry.net.packets.ServerPacket;
+import com.lapisberry.net.packets.*;
 import com.lapisberry.utils.Config;
 
 import java.io.IOException;
@@ -66,6 +63,9 @@ public void processPacketFromClient(ClientHandler sender, ClientPacket packet) {
         if (packet instanceof JoinRequestPacket joinRequestPacket) {
             serverLobby.addPlayer(sender.getClientId(), joinRequestPacket.getUsername());
             sendPacketToAllClients(new LobbyPacket(serverLobby.getPlayers()));
+        } else if (packet instanceof PartyLeaderStartGamePacket) {
+            serverLobby.setupShuffledPlayersAndShuffledCharacters();
+            sendPacketToAllClients(new ServerStartGamePacket(serverLobby.getShuffledPlayers(), serverLobby.getShuffledCharacters()));
         }
     }
 

src/main/java/com/lapisberry/net/packets/ServerStartGamePacket.java

@@ -1,4 +1,33 @@
 package com.lapisberry.net.packets;
 
+import com.lapisberry.game.entities.characters.CharacterEnum;
+import com.lapisberry.game.entities.players.Player;
+
+import java.io.Serial;
+import java.util.ArrayList;
+
+/**
+ * The {@code ServerStartGamePacket} is a packet that is sent to all clients by the server to start the game.
+ */
 public class ServerStartGamePacket extends ServerPacket {
+    @Serial
+    private static final long serialVersionUID = -4405052934644343377L;
+    // Fields
+    private final ArrayList<Player> shuffledPlayers;
+    private final ArrayList<CharacterEnum> shuffledCharacters;
+
+    // Constructors
+    public ServerStartGamePacket(ArrayList<Player> shuffledPlayers, ArrayList<CharacterEnum> shuffledCharacters) {
+        this.shuffledPlayers = new ArrayList<>(shuffledPlayers);
+        this.shuffledCharacters = new ArrayList<>(shuffledCharacters);
+    }
+
+    // Getter Setters
+    public ArrayList<Player> getShuffledPlayers() {
+        return shuffledPlayers;
+    }
+
+    public ArrayList<CharacterEnum> getShuffledCharacters() {
+        return shuffledCharacters;
+    }
 }