Added Player#setResourcePack + PlayerResourcePackStatusEvent

src/main/java/net/minestom/server/entity/Player.java

@@ -31,6 +31,7 @@ import net.minestom.server.network.packet.server.play.*;
 import net.minestom.server.network.player.PlayerConnection;
 import net.minestom.server.recipe.Recipe;
 import net.minestom.server.recipe.RecipeManager;
+import net.minestom.server.resourcepack.ResourcePack;
 import net.minestom.server.scoreboard.BelowNameScoreboard;
 import net.minestom.server.scoreboard.Team;
 import net.minestom.server.sound.Sound;
@@ -964,6 +965,26 @@ public class Player extends LivingEntity {
         return !itemDropEvent.isCancelled();
     }
 
+    /**
+     * Set the resource pack of the player
+     *
+     * @param resourcePack the resource pack
+     */
+    public void setResourcePack(ResourcePack resourcePack) {
+        Check.notNull(resourcePack, "The resource pack cannot be null");
+        final String url = resourcePack.getUrl();
+        Check.notNull(url, "The resource pack url cannot be null");
+
+        // Optional hash, set to empty if null
+        String hash = resourcePack.getHash();
+        hash = hash == null ? "" : hash;
+
+        ResourcePackSendPacket resourcePackSendPacket = new ResourcePackSendPacket();
+        resourcePackSendPacket.url = url;
+        resourcePackSendPacket.hash = hash;
+        playerConnection.sendPacket(resourcePackSendPacket);
+    }
+
     /**
      * Rotate the player to face {@code targetPosition}
      *

src/main/java/net/minestom/server/event/player/PlayerResourcePackStatusEvent.java

@@ -0,0 +1,37 @@
+package net.minestom.server.event.player;
+
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.Event;
+import net.minestom.server.resourcepack.ResourcePackStatus;
+
+/**
+ * Called when a player warns the server of a resource pack status
+ */
+public class PlayerResourcePackStatusEvent extends Event {
+
+    private Player player;
+    private ResourcePackStatus status;
+
+    public PlayerResourcePackStatusEvent(Player player, ResourcePackStatus status) {
+        this.player = player;
+        this.status = status;
+    }
+
+    /**
+     * Get the player who send a resource pack status
+     *
+     * @return the player
+     */
+    public Player getPlayer() {
+        return player;
+    }
+
+    /**
+     * Get the resource pack status
+     *
+     * @return the resource pack status
+     */
+    public ResourcePackStatus getStatus() {
+        return status;
+    }
+}

src/main/java/net/minestom/server/listener/ResourcePackListener.java

@@ -0,0 +1,15 @@
+package net.minestom.server.listener;
+
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.player.PlayerResourcePackStatusEvent;
+import net.minestom.server.network.packet.client.play.ClientResourcePackStatusPacket;
+import net.minestom.server.resourcepack.ResourcePackStatus;
+
+public class ResourcePackListener {
+
+    public static void listener(ClientResourcePackStatusPacket packet, Player player) {
+        ResourcePackStatus result = packet.result;
+        PlayerResourcePackStatusEvent resourcePackStatusEvent = new PlayerResourcePackStatusEvent(player, result);
+        player.callEvent(PlayerResourcePackStatusEvent.class, resourcePackStatusEvent);
+    }
+}

src/main/java/net/minestom/server/listener/manager/PacketListenerManager.java

@@ -44,6 +44,7 @@ public class PacketListenerManager {
         addListener(ClientPluginMessagePacket.class, PluginMessageListener::listener);
         addListener(ClientPlayerAbilitiesPacket.class, AbilitiesListener::listener);
         addListener(ClientTeleportConfirmPacket.class, TeleportListener::listener);
+        addListener(ClientResourcePackStatusPacket.class, ResourcePackListener::listener);
     }
 
     public <T extends ClientPlayPacket> void process(T packet, Player player) {

src/main/java/net/minestom/server/network/packet/client/play/ClientResourcePackStatusPacket.java

@@ -2,18 +2,15 @@ package net.minestom.server.network.packet.client.play;
 
 import net.minestom.server.network.packet.PacketReader;
 import net.minestom.server.network.packet.client.ClientPlayPacket;
+import net.minestom.server.resourcepack.ResourcePackStatus;
 
 public class ClientResourcePackStatusPacket extends ClientPlayPacket {
 
-    public Result result;
+    public ResourcePackStatus result;
 
     @Override
     public void read(PacketReader reader) {
-        this.result = Result.values()[reader.readVarInt()];
-    }
-
-    public enum Result {
-        SUCCESS, DECLINED, FAILED_DOWNLOAD, ACCEPTED
+        this.result = ResourcePackStatus.values()[reader.readVarInt()];
     }
 
 }

src/main/java/net/minestom/server/resourcepack/ResourcePack.java

@@ -0,0 +1,36 @@
+package net.minestom.server.resourcepack;
+
+/**
+ * Represent a resource pack which can be send to a player
+ */
+public class ResourcePack {
+
+    private String url;
+    private String hash;
+
+    public ResourcePack(String url, String hash) {
+        this.url = url;
+        this.hash = hash;
+    }
+
+    /**
+     * Get the resource pack URL
+     *
+     * @return
+     */
+    public String getUrl() {
+        return url;
+    }
+
+    /**
+     * Get the resource pack hash
+     * <p>
+     * WARNING: if null or empty, the player will probably waste bandwidth by re-downloading
+     * the resource pack
+     *
+     * @return the resource pack hash
+     */
+    public String getHash() {
+        return hash;
+    }
+}

src/main/java/net/minestom/server/resourcepack/ResourcePackStatus.java

@@ -0,0 +1,5 @@
+package net.minestom.server.resourcepack;
+
+public enum ResourcePackStatus {
+    SUCCESS, DECLINED, FAILED_DOWNLOAD, ACCEPTED
+}