Fix item-cache config option not being available

Signed-off-by: FlorianMichael <git@florianmichael.de>

Author: florianreuth

src/main/java/com/viaversion/fabric/common/platform/FabricConfig.java

@@ -0,0 +1,51 @@
+/*
+ * This file is part of ViaFabric - https://github.com/ViaVersion/ViaFabric
+ * Copyright (C) 2018-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.fabric.common.platform;
+
+import com.viaversion.viaversion.configuration.AbstractViaConfig;
+import java.io.File;
+import java.util.List;
+import java.util.logging.Logger;
+
+public final class FabricConfig extends AbstractViaConfig {
+
+    private boolean itemCache;
+
+    public FabricConfig(final File configFile, final Logger logger) {
+        super(configFile, logger);
+    }
+
+    @Override
+    protected void loadFields() {
+        super.loadFields();
+        itemCache = getBoolean("item-cache", true);
+    }
+
+    @Override
+    public boolean isItemCache() {
+        return itemCache;
+    }
+
+    @Override
+    public List<String> getUnsupportedOptions() {
+        final List<String> unsupported = super.getUnsupportedOptions();
+        unsupported.remove("item-cache");
+        return unsupported;
+    }
+
+}

src/main/java/com/viaversion/fabric/common/provider/AbstractFabricPlatform.java

@@ -17,6 +17,7 @@
  */
 package com.viaversion.fabric.common.provider;
 
+import com.viaversion.fabric.common.platform.FabricConfig;
 import com.viaversion.fabric.common.platform.NativeVersionProvider;
 import com.viaversion.fabric.common.protocol.ViaFabricProtocolBase;
 import com.viaversion.fabric.common.util.FutureTaskId;
@@ -25,12 +26,14 @@
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.type.Types;
+import com.viaversion.viaversion.configuration.AbstractViaConfig;
 import com.viaversion.viaversion.libs.gson.JsonArray;
 import com.viaversion.viaversion.libs.gson.JsonObject;
 import com.viaversion.viaversion.platform.UserConnectionViaVersionPlatform;
 import io.netty.channel.EventLoop;
 import io.netty.util.concurrent.Future;
 import io.netty.util.concurrent.GenericFutureListener;
+import java.io.File;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
@@ -54,6 +57,11 @@ public Logger createLogger(final String name) {
         return new JLoggerToLog4j(LogManager.getLogger(name));
     }
 
+    @Override
+    protected AbstractViaConfig createConfig() {
+        return new FabricConfig(new File(getDataFolder(), "viaversion.yml"), getLogger());
+    }
+
     public abstract void installNativeVersionProvider();
 
     protected abstract ExecutorService asyncService();