Updated tick manager & players update

src/main/java/fr/themode/minestom/Main.java

@@ -15,18 +15,18 @@ import java.lang.reflect.InvocationTargetException;
 
 public class Main {
 
-    // In-Game Manager
-    private static EntityManager entityManager;
-
-    // Others
+    // Networking
     private static ConnectionManager connectionManager;
     private static PacketProcessor packetProcessor;
 
-    public static void main(String[] args) {
-        entityManager = new EntityManager();
+    // In-Game Manager
+    private static EntityManager entityManager;
 
+    public static void main(String[] args) {
         connectionManager = new ConnectionManager();
-        packetProcessor = new PacketProcessor(connectionManager);
+        packetProcessor = new PacketProcessor();
+
+        entityManager = new EntityManager();
 
         Server server = new TCPServer(new MinecraftProtocol()).addHandler(new ServerHandler() {
             @Override
@@ -63,10 +63,12 @@ public class Main {
         server.bind(25565);
         System.out.println("Server started");
 
-        long lastTime = System.currentTimeMillis();
+        long tickDistance = 50 * 1000000; // 50 ms
+        long nextTick = System.nanoTime();
+        long currentTime;
         while (true) {
-            if (System.currentTimeMillis() - lastTime >= 50) {
-                lastTime = System.currentTimeMillis();
+            currentTime = System.nanoTime();
+            if (currentTime >= nextTick) {
                 // Tick
 
                 // Keep Alive Handling
@@ -79,6 +81,10 @@ public class Main {
 
                 // Entities update
                 entityManager.update();
+
+                // Set next tick update time
+                currentTime = System.nanoTime();
+                nextTick = currentTime + tickDistance - (currentTime - nextTick);
             }
         }
     }

src/main/java/fr/themode/minestom/entity/Entity.java

@@ -37,8 +37,8 @@ public class Entity {
     public void addToWorld() {
         this.isActive = true;
         EntityManager entityManager = Main.getEntityManager();
-        if (this instanceof LivingEntity) {
-            entityManager.addLivingEntity((LivingEntity) this);
+        if (this instanceof EntityCreature) {
+            entityManager.addCreature((EntityCreature) this);
         }
     }
 

src/main/java/fr/themode/minestom/entity/EntityManager.java

@@ -1,35 +1,46 @@
 package fr.themode.minestom.entity;
 
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
+import fr.themode.minestom.Main;
+import fr.themode.minestom.net.ConnectionManager;
+
+import java.util.*;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 public class EntityManager {
 
-    private Set<LivingEntity> livingEntities = Collections.synchronizedSet(new HashSet<>());
+    private Set<EntityCreature> creatures = Collections.synchronizedSet(new HashSet<>());
 
-    private ExecutorService pool = Executors.newFixedThreadPool(50);
+    private ExecutorService creaturesPool = Executors.newFixedThreadPool(3);
+    private ExecutorService playersPool = Executors.newFixedThreadPool(2);
+
+    private ConnectionManager connectionManager = Main.getConnectionManager();
 
     public void update() {
-        livingEntities.removeIf(livingEntity -> livingEntity.shouldRemove());
+        creatures.removeIf(creature -> creature.shouldRemove());
 
-        synchronized (livingEntities) {
-            Iterator<LivingEntity> iterator = livingEntities.iterator();
+        synchronized (creatures) {
+            Iterator<EntityCreature> iterator = creatures.iterator();
             while (iterator.hasNext()) {
-                LivingEntity entity = iterator.next();
-                pool.submit(entity::update);
+                EntityCreature creature = iterator.next();
+                creaturesPool.submit(creature::update);
             }
         }
+
+        Collection<Player> players = connectionManager.getOnlinePlayers();
+        Iterator<Player> iterator = players.iterator();
+        while (iterator.hasNext()) {
+            Player player = iterator.next();
+            playersPool.submit(player::update);
+        }
+
     }
 
-    public Set<LivingEntity> getEntities() {
-        return Collections.unmodifiableSet(livingEntities);
+    public Set<EntityCreature> getCreatures() {
+        return Collections.unmodifiableSet(creatures);
     }
 
-    protected void addLivingEntity(LivingEntity livingEntity) {
-        this.livingEntities.add(livingEntity);
+    protected void addCreature(EntityCreature creature) {
+        this.creatures.add(creature);
     }
 }

src/main/java/fr/themode/minestom/entity/Player.java

@@ -18,7 +18,7 @@ public class Player extends LivingEntity {
 
     @Override
     public void update() {
-        // System.out.println("Je suis l'update");
+        //System.out.println("Je suis l'update");
     }
 
     public PlayerConnection getPlayerConnection() {

src/main/java/fr/themode/minestom/entity/demo/ChickenCreature.java

@@ -13,7 +13,7 @@ public class ChickenCreature extends EntityCreature {
     public void update() {
         onGround = true;
 
-        double speed = 0.01;
+        double speed = 0.05;
         double newPos = getZ() + speed;
 
         EntityRelativeMovePacket entityRelativeMovePacket = new EntityRelativeMovePacket();

src/main/java/fr/themode/minestom/net/ConnectionManager.java

@@ -3,13 +3,11 @@ package fr.themode.minestom.net;
 import fr.themode.minestom.entity.Player;
 import fr.themode.minestom.net.player.PlayerConnection;
 
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.*;
 
 public class ConnectionManager {
 
+    private volatile Set<Player> players = new HashSet<>();
     private volatile Map<PlayerConnection, Player> connectionPlayerMap = new HashMap<>();
 
     public Player getPlayer(PlayerConnection connection) {
@@ -17,11 +15,13 @@ public class ConnectionManager {
     }
 
     public Collection<Player> getOnlinePlayers() {
-        return Collections.unmodifiableCollection(connectionPlayerMap.values());
+        return Collections.unmodifiableCollection(players);
     }
 
     // Is only used at LoginStartPacket#process
     public void createPlayer(PlayerConnection connection) {
-        this.connectionPlayerMap.put(connection, new Player(connection));
+        Player player = new Player(connection);
+        this.players.add(player);
+        this.connectionPlayerMap.put(connection, player);
     }
 }

src/main/java/fr/themode/minestom/net/PacketProcessor.java

@@ -3,6 +3,7 @@ package fr.themode.minestom.net;
 import fr.adamaq01.ozao.net.Buffer;
 import fr.adamaq01.ozao.net.packet.Packet;
 import fr.adamaq01.ozao.net.server.Connection;
+import fr.themode.minestom.Main;
 import fr.themode.minestom.entity.Player;
 import fr.themode.minestom.net.packet.client.ClientPlayPacket;
 import fr.themode.minestom.net.packet.client.ClientPreplayPacket;
@@ -29,8 +30,8 @@ public class PacketProcessor {
     private ClientLoginPacketsHandler loginPacketsHandler;
     private ClientPlayPacketsHandler playPacketsHandler;
 
-    public PacketProcessor(ConnectionManager connectionManager) {
-        this.connectionManager = connectionManager;
+    public PacketProcessor() {
+        this.connectionManager = Main.getConnectionManager();
 
         this.statusPacketsHandler = new ClientStatusPacketsHandler();
         this.loginPacketsHandler = new ClientLoginPacketsHandler();

src/main/java/fr/themode/minestom/net/packet/client/login/LoginStartPacket.java

@@ -67,9 +67,9 @@ public class LoginStartPacket implements ClientPreplayPacket {
         connection.sendPacket(spawnPositionPacket);
 
         PlayerPositionAndLookPacket playerPositionAndLookPacket = new PlayerPositionAndLookPacket();
-        playerPositionAndLookPacket.x = 50;
+        playerPositionAndLookPacket.x = 0;
         playerPositionAndLookPacket.y = 5;
-        playerPositionAndLookPacket.z = 50;
+        playerPositionAndLookPacket.z = 0;
         playerPositionAndLookPacket.yaw = 0;
         playerPositionAndLookPacket.pitch = 0;
         playerPositionAndLookPacket.flags = 0;
@@ -80,7 +80,7 @@ public class LoginStartPacket implements ClientPreplayPacket {
             for (int z = -20; z < 20; z++) {
                 // TODO test entity
                 ChickenCreature chickenCreature = new ChickenCreature();
-                chickenCreature.setPosition(50 + (double) x * 1, 5, 50 + (double) z * 1);
+                chickenCreature.setPosition((double) x * 1, 5, (double) z * 1);
                 connectionManager.getOnlinePlayers().forEach(p -> chickenCreature.addViewer(p));
                 chickenCreature.addToWorld();
             }