[Fix] Ensure Signs are allocated to the Atlas Texture

Reference: #587

src/main/java/net/id/aether/util/AetherSignType.java

@@ -1,16 +1,30 @@
 package net.id.aether.util;
 
 import net.id.aether.mixin.util.SignTypeAccessor;
+import net.minecraft.client.render.TexturedRenderLayers;
+import net.minecraft.client.util.SpriteIdentifier;
+import net.minecraft.util.Identifier;
 import net.minecraft.util.SignType;
 
 public class AetherSignType extends SignType {
-    public static final SignType SKYROOT = SignTypeAccessor.callRegister(new AetherSignType("aether_skyroot"));
-    public static final SignType ORANGE = SignTypeAccessor.callRegister(new AetherSignType("aether_orange"));
-    public static final SignType WISTERIA = SignTypeAccessor.callRegister(new AetherSignType("aether_wisteria"));
-    public static final SignType GOLDEN_OAK = SignTypeAccessor.callRegister(new AetherSignType("aether_golden_oak"));
-    public static final SignType CRYSTAL = SignTypeAccessor.callRegister(new AetherSignType("aether_crystal"));
+    public static final SignType SKYROOT = register(new AetherSignType("aether_skyroot"));
+    public static final SignType ORANGE = register(new AetherSignType("aether_orange"));
+    public static final SignType WISTERIA = register(new AetherSignType("aether_wisteria"));
+    public static final SignType GOLDEN_OAK = register(new AetherSignType("aether_golden_oak"));
+    public static final SignType CRYSTAL = register(new AetherSignType("aether_crystal"));
 
     protected AetherSignType(String name) {
         super(name);
     }
+
+    private static SignType register(AetherSignType type) {
+        SignType sign = SignTypeAccessor.callRegister(type);
+        TexturedRenderLayers.WOOD_TYPE_TEXTURES.put(
+                sign, new SpriteIdentifier(
+                        TexturedRenderLayers.SIGNS_ATLAS_TEXTURE, new Identifier("entity/signs/" + sign.getName())
+                )
+        );
+
+        return sign;
+    }
 }