Add configurable server links

Author: Pascalpex

deepslateMC-server/minecraft-patches/sources/net/minecraft/server/commands/ReloadCommand.java.patch

@@ -1,12 +1,13 @@
 --- a/net/minecraft/server/commands/ReloadCommand.java
 +++ b/net/minecraft/server/commands/ReloadCommand.java
-@@ -44,6 +_,9 @@
+@@ -44,6 +_,10 @@
          Collection<String> selectedIds = packRepository.getSelectedIds();
          Collection<String> collection = discoverNewPacks(packRepository, worldData, selectedIds);
          server.reloadResources(collection, io.papermc.paper.event.server.ServerResourcesReloadedEvent.Cause.PLUGIN); // Paper - Add ServerResourcesReloadedEvent
 +        de.pascalpex.deepslatemc.util.TablistUtil.reloadTablist(); // Deepslate - reload tablist
 +        de.pascalpex.deepslatemc.util.BossbarUtil.reloadBossbar(); // Deepslate - reload bossbar
 +        de.pascalpex.deepslatemc.util.ActionbarUtil.reloadActionbar(); // Deepslate - reload actionbar
++        de.pascalpex.deepslatemc.util.ServerLinkUtil.loadLinks(); // Deepslate - reload server links
      }
      // CraftBukkit end
 

deepslateMC-server/minecraft-patches/sources/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java.patch

@@ -0,0 +1,13 @@
+--- a/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java
++++ b/net/minecraft/server/network/ServerConfigurationPacketListenerImpl.java
+@@ -83,6 +_,10 @@
+         // CraftBukkit start
+         org.bukkit.craftbukkit.CraftServerLinks wrapper = new org.bukkit.craftbukkit.CraftServerLinks(serverLinks);
+         org.bukkit.event.player.PlayerLinksSendEvent event = new org.bukkit.event.player.PlayerLinksSendEvent(this.player.getBukkitEntity(), wrapper);
++        // Deepslate start - server links
++        java.util.Map<net.kyori.adventure.text.Component, java.net.URI> deepslateLinks = de.pascalpex.deepslatemc.util.ServerLinkUtil.getLinks();
++        deepslateLinks.keySet().forEach(key -> wrapper.addLink(key, deepslateLinks.get(key)));
++        // Deepslate end - server links
+         this.cserver.getPluginManager().callEvent(event);
+         serverLinks = wrapper.getServerLinks();
+         // CraftBukkit end

deepslateMC-server/src/main/java/de/pascalpex/deepslatemc/commands/DeepslateCommand.java

@@ -5,6 +5,7 @@
 import de.pascalpex.deepslatemc.files.MessagesFile;
 import de.pascalpex.deepslatemc.util.ActionbarUtil;
 import de.pascalpex.deepslatemc.util.BossbarUtil;
+import de.pascalpex.deepslatemc.util.ServerLinkUtil;
 import de.pascalpex.deepslatemc.util.TablistUtil;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
@@ -51,6 +52,7 @@ public boolean execute(@NotNull CommandSender sender, String commandLabel, Strin
                         TablistUtil.reloadTablist();
                         BossbarUtil.reloadBossbar();
                         ActionbarUtil.reloadActionbar();
+                        ServerLinkUtil.loadLinks();
                         prefix = MessagesFile.getMessage(MessagesEntry.PREFIX).appendSpace();
                         sender.sendMessage(prefix.append(MessagesFile.getMessage(MessagesEntry.CONFIG_RELOADED)));
                     } else {

deepslateMC-server/src/main/java/de/pascalpex/deepslatemc/files/Config.java

@@ -12,7 +12,9 @@
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import static de.pascalpex.deepslatemc.files.ConfigEntry.*;
 
@@ -41,6 +43,10 @@ public static void load() {
                     continue;
                 }
                 if(!config.contains(configEntry.key)) {
+                    if(configEntry == SERVER_LINKS) {
+                        config.set(SERVER_LINKS.key + ".<gold>My first link", "");
+                        continue;
+                    }
                     config.set(configEntry.key, configEntry.defaultValue);
                 }
             }
@@ -157,5 +163,10 @@ public static boolean getMinimessageMessages() {
     public static boolean getSendSpectatorModePackets() {
         return config.getBoolean(SPECTATOR_MODE_PACKETS.key);
     }
+    public static Map<String, String> getServerLinks() {
+        Map<String, String> serverLinks = new HashMap<>();
+        config.getConfigurationSection(SERVER_LINKS.key).getKeys(false).forEach(key -> serverLinks.put(key, config.getString(SERVER_LINKS.key + "." + key)));
+        return serverLinks;
+    }
 
 }

deepslateMC-server/src/main/java/de/pascalpex/deepslatemc/files/ConfigEntry.java

@@ -34,7 +34,8 @@ enum ConfigEntry {
     MINIMESSAGE_MOTD("miniMessageMotdSupport", false),
     ACTIONBAR_TEXT("actionbar" + ".text", "&6Custom Actionbar"),
     MINIMESSAGE_MESSAGES("miniMessageMessages", false),
-    SPECTATOR_MODE_PACKETS("sendSpectatorModePackets", true);
+    SPECTATOR_MODE_PACKETS("sendSpectatorModePackets", true),
+    SERVER_LINKS("serverLinks", "");
 
     final String key;
     final Object defaultValue;

deepslateMC-server/src/main/java/de/pascalpex/deepslatemc/util/ServerLinkUtil.java

@@ -0,0 +1,41 @@
+package de.pascalpex.deepslatemc.util;
+
+import de.pascalpex.deepslatemc.files.Config;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.apache.logging.log4j.LogManager;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class ServerLinkUtil {
+
+    private static Map<Component, URI> links = null;
+
+    public static void loadLinks() {
+        if (links == null) {
+            links = new HashMap<>();
+        } else {
+            links.clear();
+        }
+        Config.getServerLinks().forEach((key, value) -> {
+            if(key.isBlank() || value.isBlank()) {
+                return;
+            }
+            try {
+                links.put(MiniMessage.miniMessage().deserialize(key), new URI(value));
+            } catch (URISyntaxException e) {
+                LogManager.getLogger(ServerLinkUtil.class.getSimpleName()).warn("Invalid URL in DeepslateMC server links: {}", value);
+            }
+        });
+    }
+
+    public static Map<Component, URI> getLinks() {
+        if (links == null) {
+            loadLinks();
+        }
+        return links;
+    }
+}