feat: implement DISCORD <- MC

build.gradle

@@ -45,6 +45,8 @@ dependencies {
     implementation("net.dv8tion:JDA:${project.jda_version}") {
         exclude module: 'opus-java'
     }
+
+    include implementation("club.minnced:discord-webhooks:${project.webhooks_version}")
 }
 
 processResources {

gradle.properties

@@ -15,3 +15,4 @@ fabric_version=0.107.0+1.21.1
 
 owo_version=0.12.15+1.21
 jda_version=5.1.2
+webhooks_version=0.8.4

src/main/java/sad/ovh/discord/Discord.java

@@ -13,7 +13,7 @@ public class Discord implements ModInitializer {
     @Override
     public void onInitialize() {
         LOGGER.info("slop's custom discord plugin");
-        DiscordRegistration.createClient();
+        DiscordRegistration.register();
-
+        MinecraftRegistration.register();
     }
 }

src/main/java/sad/ovh/discord/DiscordConfigModel.java

@@ -1,14 +1,12 @@
 package sad.ovh.discord;
 
-import io.wispforest.owo.config.Option;
 import io.wispforest.owo.config.annotation.Config;
-import io.wispforest.owo.config.annotation.Sync;
 
-@Sync(Option.SyncMode.NONE)
 @Config(name = "slop-discord-config", wrapperName = "DiscordConfig")
 public class DiscordConfigModel {
     public String token = "";
     public String channelId = "";
     public String consoleId = "";
+    public String webhookName = "mc-bridge";
     public String avatarApiUrl = "https://vzge.me/bust/256/%s";
 }

src/main/java/sad/ovh/discord/DiscordRegistration.java

@@ -1,7 +1,12 @@
 package sad.ovh.discord;
 
+import club.minnced.discord.webhook.WebhookClient;
+import club.minnced.discord.webhook.WebhookClientBuilder;
+import club.minnced.discord.webhook.receive.ReadonlyMessage;
+import club.minnced.discord.webhook.send.*;
 import net.dv8tion.jda.api.JDA;
 import net.dv8tion.jda.api.JDABuilder;
+import net.dv8tion.jda.api.entities.Webhook;
 import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
 import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
 import net.dv8tion.jda.api.events.message.MessageUpdateEvent;
@@ -12,15 +17,21 @@ import net.dv8tion.jda.api.utils.cache.CacheFlag;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.EnumSet;
+import java.util.UUID;
 
 public class DiscordRegistration {
     static public JDA client;
     static public TextChannel channel;
     static public TextChannel consoleChannel;
+    static public WebhookClient webhookClient;
 
     static public Boolean isReady;
 
-    static public void createClient() {
+    static public Webhook webhook;
+
+    static private Long lastId;
+
+    static public void register() {
         client = JDABuilder
                 .create(Discord.CONFIG.token(), EnumSet.of(GatewayIntent.GUILD_MESSAGES, GatewayIntent.GUILD_MEMBERS, GatewayIntent.MESSAGE_CONTENT))
                 .disableCache(CacheFlag.ACTIVITY, CacheFlag.VOICE_STATE, CacheFlag.EMOJI, CacheFlag.STICKER, CacheFlag.CLIENT_STATUS, CacheFlag.ONLINE_STATUS, CacheFlag.SCHEDULED_EVENTS)
@@ -28,6 +39,57 @@ public class DiscordRegistration {
                 .build();
     }
 
+    static public void sendPlayerMessage(String message, String name, UUID playerUuid) {
+        if (!isReady)
+            return;
+
+        String avatarUrl = String.format(Discord.CONFIG.avatarApiUrl(), playerUuid.toString());
+
+        WebhookMessage webhookMessage = new WebhookMessageBuilder()
+                .setAvatarUrl(avatarUrl)
+                .setUsername(name)
+                .setContent(message)
+                .setAllowedMentions(
+                        new AllowedMentions()
+                                .withParseUsers(true)
+                                .withParseRoles(true)
+                                .withParseEveryone(false)
+                )
+                .build();
+        webhookClient.send(webhookMessage);
+    }
+
+    static public void sendPlayerStatus(String message, int color, UUID playerUuid) {
+        if (!isReady)
+            return;
+
+        String avatarUrl = String.format(Discord.CONFIG.avatarApiUrl(), playerUuid.toString());
+
+        var embed = new WebhookEmbedBuilder()
+                .setAuthor(new WebhookEmbed.EmbedAuthor(message, avatarUrl, null))
+                .setColor(color)
+                .build();
+
+        webhookClient.send(embed);
+    }
+
+
+    static public void sendServerUpdate(String message, int color, Boolean deleteLastOne) {
+        if (!isReady)
+            return;
+
+        if(deleteLastOne && lastId != null) {
+            channel.deleteMessageById(lastId).complete();
+        }
+
+        WebhookEmbed webhookMessage = new WebhookEmbedBuilder()
+                .setDescription(message)
+                .setColor(color)
+                .build();
+
+        webhookClient.send(webhookMessage)
+                .thenAccept((msg) -> lastId = msg.getId());
+    }
     private static class DiscordEvents extends ListenerAdapter {
         @Override
         public void onReady(@NotNull ReadyEvent event) {
@@ -45,6 +107,27 @@ public class DiscordRegistration {
             if (consoleChannel == null) {
                 Discord.LOGGER.warn("No console channel was set.");
             }
+            var webhookName = Discord.CONFIG.webhookName();
+            var webhooks = channel.retrieveWebhooks().complete();
+
+            webhooks.stream()
+                    .filter((wh) -> wh.getName().equals(webhookName))
+                    .findFirst()
+                    .ifPresent((wh) -> webhook = wh);
+
+            if (webhook == null) {
+                webhook = channel.createWebhook(webhookName).complete();
+            }
+
+            if (webhook == null) {
+                Discord.LOGGER.error("Attempt to create a webhook failed! Please create a WebHook by the name {} and restart the server", webhookName);
+                client.shutdown();
+                return;
+            }
+
+            webhookClient = new WebhookClientBuilder(webhook.getUrl())
+                    .setDaemon(true)
+                    .buildJDA();
 
             isReady = true;
         }

src/main/java/sad/ovh/discord/MinecraftRegistration.java

@@ -6,32 +6,41 @@ import net.fabricmc.fabric.api.message.v1.ServerMessageEvents;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
 import net.minecraft.server.network.ServerPlayerEntity;
 
+import java.awt.*;
+
 public class MinecraftRegistration {
     public static void register() {
         ServerLifecycleEvents.SERVER_STARTING.register(server -> {
             if (!DiscordRegistration.isReady)
                 return;
+            DiscordRegistration.sendServerUpdate(":hourglass: **Server is starting...**", Color.YELLOW.getRGB(), false);
         });
 
         ServerLifecycleEvents.SERVER_STARTED.register(server -> {
             if (!DiscordRegistration.isReady)
                 return;
+
+            DiscordRegistration.sendServerUpdate(":white_check_mark: **Server has started!**", Color.GREEN.getRGB(), true);
         });
 
         ServerLifecycleEvents.SERVER_STOPPING.register(server -> {
             if (!DiscordRegistration.isReady)
                 return;
-
+            DiscordRegistration.sendServerUpdate(":x: **Server stopping.**", Color.RED.getRGB(), false);
         });
 
         ServerPlayConnectionEvents.JOIN.register((handler, sender, server) -> {
             if (!DiscordRegistration.isReady)
                 return;
+            DiscordRegistration.sendPlayerStatus(String.format("%s has joined the server.", handler.player.getDisplayName().getString()), Color.GREEN.getRGB(), handler.player.getUuid());
+
         });
 
         ServerPlayConnectionEvents.DISCONNECT.register((handler, server) -> {
             if (!DiscordRegistration.isReady)
                 return;
+            DiscordRegistration.sendPlayerStatus(String.format("%s has left the server.", handler.player.getDisplayName().getString()), Color.RED.getRGB(), handler.player.getUuid());
+
         });
 
         ServerLivingEntityEvents.AFTER_DEATH.register((entity, damageSource) -> {
@@ -39,11 +48,16 @@ public class MinecraftRegistration {
                 return;
             if (!(entity instanceof ServerPlayerEntity player))
                 return;
+            var message = damageSource.getDeathMessage(entity).getString();
+            DiscordRegistration.sendPlayerStatus(message, Color.RED.getRGB(), player.getUuid());
+
         });
 
         ServerMessageEvents.CHAT_MESSAGE.register((message, sender, params) -> {
             if (!DiscordRegistration.isReady)
                 return;
+
+            DiscordRegistration.sendPlayerMessage(message.getContent().getString(), sender.getDisplayName().getString(), sender.getUuid());
         });
     }
 }