Start work on update checker implementation

common/src/main/java/dev/ithundxr/createnumismatics/Numismatics.java

@@ -39,6 +39,7 @@
 import dev.ithundxr.createnumismatics.registry.NumismaticsCommands;
 import dev.ithundxr.createnumismatics.registry.NumismaticsCreativeModeTabs.Tabs;
 import dev.ithundxr.createnumismatics.registry.NumismaticsPackets;
+import dev.ithundxr.createnumismatics.util.UpdateCheck;
 import dev.ithundxr.createnumismatics.util.Utils;
 import net.minecraft.SharedConstants;
 import net.minecraft.commands.CommandSourceStack;
@@ -65,7 +66,8 @@ public class Numismatics {
 
     public static void init() {
         LOGGER.info("{} v{} initializing! Commit hash: {} Create version: {} on platform: {}", NAME, NumismaticsBuildInfo.VERSION, NumismaticsBuildInfo.GIT_COMMIT, Create.VERSION, Loader.getFormatted());
-
+        UpdateCheck.execute();
+
         ModSetup.register();
         finalizeRegistrate();
 

common/src/main/java/dev/ithundxr/createnumismatics/compat/Mods.java

@@ -95,6 +95,10 @@ public void assertForDataGen() {
 		assert (!requiredForDataGen || isLoaded);
 	}
 
+	public static boolean isModLoaded(String id) {
+		return isModLoaded(id, null);
+	}
+
 	@ExpectPlatform
 	public static boolean isModLoaded(String id, @Nullable String fabricId) {
 		throw new AssertionError();

common/src/main/java/dev/ithundxr/createnumismatics/multiloader/Loader.java

@@ -19,14 +19,15 @@
 package dev.ithundxr.createnumismatics.multiloader;
 
 import dev.architectury.injectables.annotations.ExpectPlatform;
+import dev.ithundxr.createnumismatics.compat.Mods;
 import dev.ithundxr.createnumismatics.util.TextUtils;
 import org.jetbrains.annotations.ApiStatus.Internal;
 
 import java.util.Locale;
 import java.util.function.Supplier;
 
 public enum Loader {
-    FORGE, FABRIC;
+    FORGE, NEOFORGE, FABRIC, QUILT;
 
     public static final Loader CURRENT = getCurrent();
 
@@ -40,7 +41,15 @@ public void runIfCurrent(Supplier<Runnable> run) {
     }
 
     public static String getFormatted() {
-        return TextUtils.titleCaseConversion(Loader.CURRENT.name().toLowerCase(Locale.ROOT));
+        return TextUtils.titleCaseConversion(getActual().name().toLowerCase(Locale.ROOT));
+    }
+
+    // Returns the actual loader, ex: quilt on quilt instead of fabric for quilt
+    public static Loader getActual() {
+        //noinspection ConstantValue
+        if (FABRIC.isCurrent() && Mods.isModLoaded("quilt_loader"))
+            return QUILT;
+        return CURRENT;
     }
 
     @Internal

common/src/main/java/dev/ithundxr/createnumismatics/util/UpdateCheck.java

@@ -0,0 +1,61 @@
+/*
+ * Numismatics
+ * Copyright (c) 2024 The Railways Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package dev.ithundxr.createnumismatics.util;
+
+import dev.ithundxr.createnumismatics.Numismatics;
+import dev.ithundxr.createnumismatics.NumismaticsBuildInfo;
+import dev.ithundxr.createnumismatics.multiloader.Loader;
+import net.minecraft.SharedConstants;
+import net.minecraft.Util;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.nio.charset.StandardCharsets;
+import java.time.Duration;
+
+public class UpdateCheck {
+    public static void execute() {
+        // TODO switch to nonCriticalIoPool() in 1.21.1
+        Util.ioPool().submit(() -> {
+            String uri = String.format(
+                    "https://update.api.ithundxr.dev/update-check?mod_id=%s&mod_version=%s&mc_version=%s&loader=%s",
+                    Numismatics.MOD_ID,
+                    NumismaticsBuildInfo.VERSION,
+                    SharedConstants.getCurrentVersion().getName(),
+                    Loader.getActual()
+            );
+
+            HttpRequest request = HttpRequest.newBuilder()
+                .GET()
+                .uri(URI.create(uri))
+                .build();
+
+            try {
+                HttpClient.newBuilder()
+                        .connectTimeout(Duration.ofSeconds(10L))
+                        .followRedirects(HttpClient.Redirect.ALWAYS)
+                        .build()
+                        .send(request, HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
+            } catch (IOException | InterruptedException ignored) {}
+        });
+    }
+}

fabric/src/main/java/dev/ithundxr/createnumismatics/multiloader/fabric/LoaderImpl.java

@@ -19,7 +19,6 @@
 package dev.ithundxr.createnumismatics.multiloader.fabric;
 
 import dev.ithundxr.createnumismatics.multiloader.Loader;
-import net.fabricmc.loader.api.FabricLoader;
 
 public class LoaderImpl {
     public static Loader getCurrent() {