feat: New TextureConfig to automatically get the skin tone variant, for grayscale textures

src/main/java/dev/hardaway/wardrobe/WardrobePlugin.java

@@ -27,6 +27,7 @@
 import dev.hardaway.wardrobe.impl.cosmetic.appearance.ModelAssetVariantAppearance;
 import dev.hardaway.wardrobe.impl.cosmetic.appearance.VariantAppearance;
 import dev.hardaway.wardrobe.impl.cosmetic.texture.GradientTextureConfig;
+import dev.hardaway.wardrobe.impl.cosmetic.texture.SkinTextureConfig;
 import dev.hardaway.wardrobe.impl.cosmetic.texture.StaticTextureConfig;
 import dev.hardaway.wardrobe.impl.cosmetic.texture.VariantTextureConfig;
 import dev.hardaway.wardrobe.impl.menu.WardrobePage;
@@ -87,7 +88,8 @@ protected void setup() {
         this.getCodecRegistry(TextureConfig.CODEC)
                 .register(Priority.DEFAULT, "Static", StaticTextureConfig.class, StaticTextureConfig.CODEC)
                 .register(Priority.NORMAL, "Gradient", GradientTextureConfig.class, GradientTextureConfig.CODEC)
-                .register(Priority.NORMAL, "Variant", VariantTextureConfig.class, VariantTextureConfig.CODEC);
+                .register(Priority.NORMAL, "Variant", VariantTextureConfig.class, VariantTextureConfig.CODEC)
+                .register(Priority.NORMAL, "Skin", SkinTextureConfig.class, SkinTextureConfig.CODEC);
 
         this.getCodecRegistry(CosmeticAsset.CODEC)
                 .register(Priority.DEFAULT, "ModelAttachment", ModelAttachmentCosmetic.class, ModelAttachmentCosmetic.CODEC)

src/main/java/dev/hardaway/wardrobe/impl/cosmetic/ModelAttachmentCosmetic.java

@@ -26,6 +26,7 @@
 import dev.hardaway.wardrobe.impl.cosmetic.appearance.VariantAppearanceEntry;
 import dev.hardaway.wardrobe.impl.cosmetic.builtin.HytaleCosmetic;
 import dev.hardaway.wardrobe.impl.cosmetic.texture.GradientTextureConfig;
+import dev.hardaway.wardrobe.impl.cosmetic.texture.SkinTextureConfig;
 import dev.hardaway.wardrobe.impl.cosmetic.texture.VariantTextureConfig;
 
 import javax.annotation.Nullable;
@@ -211,6 +212,9 @@ public void applyCosmetic(WardrobeContext context, WardrobeCosmeticSlot slot, Pl
         if (appearance.getTextureConfig(option).getTexture(variant) == null) {
             variant = appearance.getTextureConfig(option).collectVariants()[0];
         }
+        if (appearance.getTextureConfig(option) instanceof SkinTextureConfig) {
+            variant = context.getPlayerModel().getGradientId();
+        }
 
         TextureConfig textureConfig = appearance.getTextureConfig(option);
         context.addAttachment(slot.getId(), new ModelAttachment(

src/main/java/dev/hardaway/wardrobe/impl/cosmetic/texture/SkinTextureConfig.java

@@ -0,0 +1,51 @@
+package dev.hardaway.wardrobe.impl.cosmetic.texture;
+
+import com.hypixel.hytale.codec.Codec;
+import com.hypixel.hytale.codec.KeyedCodec;
+import com.hypixel.hytale.codec.builder.BuilderCodec;
+import com.hypixel.hytale.codec.schema.metadata.ui.UIPropertyTitle;
+import com.hypixel.hytale.server.core.asset.common.CommonAssetValidator;
+import dev.hardaway.wardrobe.api.cosmetic.appearance.TextureConfig;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class SkinTextureConfig implements TextureConfig {
+
+    public static final BuilderCodec<SkinTextureConfig> CODEC = BuilderCodec.builder(SkinTextureConfig.class, SkinTextureConfig::new)
+            .append(new KeyedCodec<>("GrayscaleTexture", Codec.STRING, true),
+                    (t, value) -> t.grayscaleTexture = value,
+                    t -> t.grayscaleTexture
+            )
+            .addValidator(CommonAssetValidator.TEXTURE_CHARACTER_ATTACHMENT)
+            .metadata(new UIPropertyTitle("Grayscale Texture")).documentation("The Grayscale Texture to use. The Texture will be colored according to the Skin Tone.")
+            .add()
+
+            .build();
+
+    private String grayscaleTexture;
+
+    private SkinTextureConfig() {
+    }
+
+    public SkinTextureConfig(String grayscaleTexture) {
+        this.grayscaleTexture = grayscaleTexture;
+    }
+
+    @Nonnull
+    @Override
+    public String getTexture(@Nullable String variantId) {
+        return grayscaleTexture;
+    }
+
+    @Nonnull
+    @Override
+    public String getGradientSet() {
+        return "Skin";
+    }
+
+    @Override
+    public String[] collectVariants() {
+        return new String[0];
+    }
+}