Start work on update checker impl

common/src/main/java/com/railwayteam/railways/Railways.java

@@ -32,6 +32,7 @@
 import com.railwayteam.railways.multiloader.Loader;
 import com.railwayteam.railways.registry.CRCommands;
 import com.railwayteam.railways.registry.CRPackets;
+import com.railwayteam.railways.util.RailwaysUpdateCheck;
 import com.railwayteam.railways.util.Utils;
 import com.simibubi.create.Create;
 import com.simibubi.create.foundation.data.CreateRegistrate;
@@ -91,6 +92,7 @@ private static void migrateConfig(Path path, Function<String, String> converter)
 
   public static void init() {
     LOGGER.info("{} v{} initializing! Commit hash: {} Create version: {} on platform: {}", NAME, RailwaysBuildInfo.VERSION, RailwaysBuildInfo.GIT_COMMIT, Create.VERSION, Loader.getFormatted());
+    RailwaysUpdateCheck.execute();
 
     Path configDir = Utils.configDir();
     Path clientConfigDir = configDir.resolve(MODID + "-client.toml");

common/src/main/java/com/railwayteam/railways/compat/Mods.java

@@ -98,6 +98,10 @@ 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/com/railwayteam/railways/multiloader/Loader.java

@@ -18,6 +18,7 @@
 
 package com.railwayteam.railways.multiloader;
 
+import com.railwayteam.railways.compat.Mods;
 import com.railwayteam.railways.util.TextUtils;
 import dev.architectury.injectables.annotations.ExpectPlatform;
 import org.jetbrains.annotations.ApiStatus.Internal;
@@ -26,7 +27,7 @@
 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/com/railwayteam/railways/util/RailwaysUpdateCheck.java

@@ -0,0 +1,61 @@
+/*
+ * Steam 'n' Rails
+ * 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 com.railwayteam.railways.util;
+
+import com.railwayteam.railways.Railways;
+import com.railwayteam.railways.RailwaysBuildInfo;
+import com.railwayteam.railways.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 RailwaysUpdateCheck {
+    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",
+                    Railways.MODID,
+                    RailwaysBuildInfo.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) {}
+        });
+    }
+}

forge/src/main/java/com/railwayteam/railways/forge/RailwaysImpl.java

@@ -26,18 +26,14 @@
 import com.railwayteam.railways.registry.forge.CRParticleTypesParticleEntryImpl;
 import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.commands.Commands.CommandSelection;
-import net.minecraftforge.common.util.MavenVersionStringHelper;
 import net.minecraftforge.event.RegisterCommandsEvent;
 import net.minecraftforge.eventbus.api.IEventBus;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
-import net.minecraftforge.fml.ModList;
 import net.minecraftforge.fml.ModLoadingContext;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
-import net.minecraftforge.forgespi.language.IModInfo;
 
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
 import java.util.function.BiConsumer;