Show skin part URLs in the Skin model

src/main/java/me/braydon/mc/common/PlayerUtils.java

@@ -17,18 +17,19 @@ import java.net.URL;
  */
 @UtilityClass
 public final class PlayerUtils {
-    private static final int SKIN_TEXTURE_SIZE = 64; // The skin of a skin texture
+    public static final int SKIN_TEXTURE_SIZE = 64; // The skin of a skin texture
 
     /**
      * Get the head texture of a skin.
      *
      * @param skin the skin to get the head texture from
+     * @param part the part of the skin to get
      * @param size the size to scale the head texture to
      * @return the head texture of the skin
      */
     @SneakyThrows
-    public static byte[] getHeadTexture(@NonNull Skin skin, int size) {
+    public static byte[] getSkinPart(@NonNull Skin skin, @NonNull Skin.Part part, int size) {
-        return getSkinPartTexture(skin, 8, 8, SKIN_TEXTURE_SIZE / 8, SKIN_TEXTURE_SIZE / 8, size);
+        return getSkinPartTexture(skin, part.getX(), part.getY(), part.getWidth(), part.getHeight(), size);
     }
 
     /**

src/main/java/me/braydon/mc/config/AppConfig.java

@@ -0,0 +1,24 @@
+package me.braydon.mc.config;
+
+import jakarta.annotation.PostConstruct;
+import lombok.Getter;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * The configuration for the app.
+ *
+ * @author Braydon
+ */
+@Configuration @Getter
+public class AppConfig {
+    public static AppConfig INSTANCE;
+
+    @Value("${server.publicUrl}")
+    private String serverPublicUrl;
+
+    @PostConstruct
+    public void onInitialize() {
+        INSTANCE = this;
+    }
+}

src/main/java/me/braydon/mc/controller/PlayerController.java

@@ -92,6 +92,6 @@ public final class PlayerController {
         // Return the head texture
         return ResponseEntity.ok()
                 .contentType(extension.equalsIgnoreCase("png") ? MediaType.IMAGE_PNG : MediaType.IMAGE_JPEG)
-                .body(PlayerUtils.getHeadTexture(target, size));
+                .body(PlayerUtils.getSkinPart(target, Skin.Part.HEAD, size));
     }
 }

src/main/java/me/braydon/mc/model/Skin.java

@@ -1,14 +1,20 @@
 package me.braydon.mc.model;
 
 import com.google.gson.JsonObject;
+import com.google.gson.annotations.SerializedName;
 import lombok.*;
+import me.braydon.mc.common.PlayerUtils;
+import me.braydon.mc.config.AppConfig;
+
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * A skin for a {@link Player}.
  *
  * @author Braydon
  */
-@AllArgsConstructor(access = AccessLevel.PRIVATE) @Getter @ToString
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE) @Setter @Getter @ToString
 public final class Skin {
     public static final Skin DEFAULT_STEVE = new Skin("http://textures.minecraft.net/texture/60a5bd016b3c9a1b9272e4929e30827a67be4ebb219017adbbc4a4d22ebd5b1", Model.DEFAULT);
 
@@ -22,6 +28,25 @@ public final class Skin {
      */
     @NonNull private final Model model;
 
+    /**
+     * URLs to the parts of this skin.
+     */
+    @NonNull @SerializedName("parts") private Map<String, String> partUrls = new HashMap<>();
+
+    /**
+     * Populate the part URLs for this skin.
+     *
+     * @param playerUuid the UUID of the player
+     * @return the skin
+     */
+    @NonNull
+    public Skin populatePartUrls(@NonNull String playerUuid) {
+        for (Part part : Part.values()) {
+            partUrls.put(part.name(), AppConfig.INSTANCE.getServerPublicUrl() + "/player/" + part.name().toLowerCase() + "/" + playerUuid + ".png");
+        }
+        return this;
+    }
+
     /**
      * Build a skin from the given Json object.
      *
@@ -47,4 +72,22 @@ public final class Skin {
     public enum Model {
         SLIM, DEFAULT
     }
+
+    /**
+     * The part of a skin.
+     */
+    @AllArgsConstructor @Getter @ToString
+    public enum Part {
+        HEAD(8, 8, PlayerUtils.SKIN_TEXTURE_SIZE / 8, PlayerUtils.SKIN_TEXTURE_SIZE / 8);
+
+        /**
+         * The coordinates of this part.
+         */
+        private final int x, y;
+
+        /**
+         * The size of this part.
+         */
+        private final int width, height;
+    }
 }

src/main/java/me/braydon/mc/model/token/MojangProfileToken.java

@@ -38,6 +38,11 @@ public final class MojangProfileToken {
      */
     @NonNull private final ProfileAction[] profileActions;
 
+    /**
+     * Get the skin and cape of this profile.
+     *
+     * @return the skin and cape of this profile
+     */
     public Tuple<Skin, Cape> getSkinAndCape() {
         ProfileProperty textures = getPropertyByName("textures"); // Get the profile textures
         if (textures == null) { // No profile textures
@@ -48,7 +53,7 @@ public final class MojangProfileToken {
 
         // Return the tuple containing the skin and cape
         return new Tuple<>(
-                Skin.fromJsonObject(texturesJsonObject.getAsJsonObject("SKIN")),
+                Skin.fromJsonObject(texturesJsonObject.getAsJsonObject("SKIN")).populatePartUrls(id),
                 Cape.fromJsonObject(texturesJsonObject.getAsJsonObject("CAPE"))
         );
     }

src/main/resources/application.yml

@@ -2,6 +2,7 @@
 server:
   address: 0.0.0.0
   port: 7500
+  publicUrl: "http://localhost:7500" # The publicly accessible URL for this app
 
 # Log Configuration
 logging: