Added new setting for legacy skin loading

build.gradle

@@ -66,7 +66,7 @@ dependencies {
         exclude group: "com.google.guava", module: "guava"
     }
     include "com.viaversion:viarewind-core:2.0.4-SNAPSHOT"
-    include "net.raphimc:ViaLegacy:2.2.9"
+    include "net.raphimc:ViaLegacy:2.2.10"
     include "net.raphimc:ViaAprilFools:2.0.6"
     include("net.raphimc:ViaProtocolHack:2.2.2") {
         exclude group: "org.slf4j", module: "slf4j-api"

src/main/java/net/raphimc/viaproxy/cli/options/Options.java

@@ -48,6 +48,7 @@ public class Options {
     // GUI only config options
     public static Account MC_ACCOUNT;
     public static String CLASSIC_MP_PASS;
+    public static Boolean LEGACY_SKIN_LOADING;
 
     // CLI only config options
     public static int COMPRESSION_THRESHOLD = 256;

src/main/java/net/raphimc/viaproxy/injection/transformer/ViaLegacyConfigTransformer.java

@@ -0,0 +1,37 @@
+/*
+ * This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
+ * Copyright (C) 2023 RK_01/RaphiMC 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 net.raphimc.viaproxy.injection.transformer;
+
+import net.lenni0451.classtransform.InjectionCallback;
+import net.lenni0451.classtransform.annotations.CTarget;
+import net.lenni0451.classtransform.annotations.CTransformer;
+import net.lenni0451.classtransform.annotations.injection.CInject;
+import net.raphimc.vialegacy.ViaLegacyConfig;
+import net.raphimc.viaproxy.cli.options.Options;
+
+@CTransformer(ViaLegacyConfig.class)
+public abstract class ViaLegacyConfigTransformer {
+
+    @CInject(method = "isLegacySkinLoading", target = @CTarget("HEAD"), cancellable = true)
+    private void makeGUIConfigurable(final InjectionCallback ic) {
+        if (Options.LEGACY_SKIN_LOADING != null) {
+            ic.setReturnValue(Options.LEGACY_SKIN_LOADING);
+        }
+    }
+
+}

src/main/java/net/raphimc/viaproxy/ui/impl/AdvancedTab.java

@@ -30,6 +30,7 @@ public class AdvancedTab extends AUITab {
     JSpinner bindPort;
     JTextField proxy;
     JCheckBox proxyOnlineMode;
+    JCheckBox legacySkinLoading;
 
     public AdvancedTab(final ViaProxyUI frame) {
         super(frame, "Advanced");
@@ -76,6 +77,13 @@ protected void init(JPanel contentPane) {
             ViaProxy.saveManager.uiSave.loadCheckBox("proxy_online_mode", this.proxyOnlineMode);
             contentPane.add(this.proxyOnlineMode);
         }
+        {
+            this.legacySkinLoading = new JCheckBox("Legacy Skin Loading");
+            this.legacySkinLoading.setBounds(10, 140, 465, 20);
+            this.legacySkinLoading.setToolTipText("Enabling Legacy Skin Loading allows you to see skins on <= 1.6.4 servers");
+            ViaProxy.saveManager.uiSave.loadCheckBox("legacy_skin_loading", this.legacySkinLoading);
+            contentPane.add(this.legacySkinLoading);
+        }
     }
 
     @Override

src/main/java/net/raphimc/viaproxy/ui/impl/GeneralTab.java

@@ -202,6 +202,7 @@ private void start() {
             final int authMethod = this.authMethod.getSelectedIndex();
             final boolean betaCraftAuth = this.betaCraftAuth.isSelected();
             final boolean proxyOnlineMode = ViaProxy.ui.advancedTab.proxyOnlineMode.isSelected();
+            final boolean legacySkinLoading = ViaProxy.ui.advancedTab.legacySkinLoading.isSelected();
             final String proxyUrl = ViaProxy.ui.advancedTab.proxy.getText();
 
             try {
@@ -238,6 +239,7 @@ private void start() {
                     Options.ONLINE_MODE = proxyOnlineMode;
                     Options.PROTOCOL_VERSION = serverVersion;
                     Options.BETACRAFT_AUTH = betaCraftAuth;
+                    Options.LEGACY_SKIN_LOADING = legacySkinLoading;
 
                     if (authMethod == 2) {
                         Options.OPENAUTHMOD_AUTH = true;