Add the body part renderer

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

@@ -50,4 +50,19 @@ public final class ImageUtils {
         graphics.dispose();
         return scaled;
     }
+
+    /**
+     * Flip the given image.
+     *
+     * @param image the image to flip
+     * @return the flipped image
+     */
+    @NonNull
+    public static BufferedImage flip(@NonNull BufferedImage image) {
+        BufferedImage flipped = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB);
+        Graphics2D graphics = flipped.createGraphics();
+        graphics.drawImage(image, image.getWidth(), 0, 0, image.getHeight(), 0, 0, image.getWidth(), image.getHeight(), null);
+        graphics.dispose();
+        return flipped;
+    }
 }

src/main/java/me/braydon/mc/common/renderer/SkinRenderer.java

@@ -37,8 +37,8 @@ import java.net.URL;
 /**
  * A renderer for a {@link ISkinPart}.
  *
- * @author Braydon
  * @param <T> the type of part to render
+ * @author Braydon
  */
 public abstract class SkinRenderer<T extends ISkinPart> {
     /**
@@ -63,13 +63,28 @@ public abstract class SkinRenderer<T extends ISkinPart> {
      */
     @SneakyThrows
     protected final BufferedImage getVanillaSkinPart(@NonNull Skin skin, @NonNull ISkinPart.Vanilla part, double size) {
-        return getSkinPartTexture(skin, part.getCoordinates().getX(), part.getCoordinates().getY(), part.getWidth(), part.getHeight(), size);
+        BufferedImage skinImage = ImageIO.read(new URL(skin.getUrl())); // The skin texture
+        ISkinPart.Vanilla.Coordinates coordinates = part.getCoordinates(); // The coordinates of the part
+
+        // The skin texture is legacy, use legacy coordinates
+        if (skinImage.getHeight() == 32 && part.hasLegacyCoordinates()) {
+            coordinates = part.getLegacyCoordinates();
+        }
+        int width = part.getWidth(); // The width of the part
+        if (skin.getModel() == Skin.Model.SLIM && part.isArm()) {
+            width--;
+        }
+        BufferedImage partTexture = getSkinPartTexture(skinImage, coordinates.getX(), coordinates.getY(), width, part.getHeight(), size);
+        if (coordinates instanceof ISkinPart.Vanilla.LegacyCoordinates legacyCoordinates && legacyCoordinates.isFlipped()) {
+            partTexture = ImageUtils.flip(partTexture);
+        }
+        return partTexture;
     }
 
     /**
      * Get the texture of a specific part of a skin.
      *
-     * @param skin   the skin to get the part from
+     * @param skinImage the skin image to get the part from
      * @param x         the x position of the part
      * @param y         the y position of the part
      * @param width     the width of the part
@@ -78,9 +93,7 @@ public abstract class SkinRenderer<T extends ISkinPart> {
      * @return the texture of the skin part
      */
     @SneakyThrows
-    private BufferedImage getSkinPartTexture(@NonNull Skin skin, int x, int y, int width, int height, double size) {
+    private BufferedImage getSkinPartTexture(@NonNull BufferedImage skinImage, int x, int y, int width, int height, double size) {
-        BufferedImage skinImage = ImageIO.read(new URL(skin.getUrl())); // The skin texture
-
         // Create a new BufferedImage for the part of the skin texture
         BufferedImage headTexture = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
 
@@ -88,8 +101,9 @@ public abstract class SkinRenderer<T extends ISkinPart> {
         headTexture.getGraphics().drawImage(skinImage, 0, 0, width, height, x, y, x + width, y + height, null);
 
         // Scale the skin part texture
+        if (size > 0D) {
             headTexture = ImageUtils.resize(headTexture, size);
-
+        }
         return headTexture;
     }
 

src/main/java/me/braydon/mc/common/renderer/impl/BodySkinPartRenderer.java

@@ -24,10 +24,12 @@
 package me.braydon.mc.common.renderer.impl;
 
 import lombok.NonNull;
+import me.braydon.mc.common.ImageUtils;
 import me.braydon.mc.common.renderer.SkinRenderer;
 import me.braydon.mc.model.skin.ISkinPart;
 import me.braydon.mc.model.skin.Skin;
 
+import java.awt.*;
 import java.awt.image.BufferedImage;
 
 /**
@@ -50,6 +52,26 @@ public final class BodySkinPartRenderer extends SkinRenderer<ISkinPart.Custom> {
      */
     @Override @NonNull
     public BufferedImage render(@NonNull Skin skin, @NonNull ISkinPart.Custom part, boolean overlays, int size) {
-        return getVanillaSkinPart(skin, ISkinPart.Vanilla.FACE, size);
+        BufferedImage texture = new BufferedImage(16, 32, BufferedImage.TYPE_INT_ARGB); // The texture to return
+        Graphics2D graphics = texture.createGraphics(); // Create the graphics for drawing
+
+        // Get the Vanilla skin parts to draw
+        BufferedImage face = getVanillaSkinPart(skin, ISkinPart.Vanilla.FACE, -1);
+        BufferedImage body = getVanillaSkinPart(skin, ISkinPart.Vanilla.BODY_FRONT, -1);
+        BufferedImage leftArm = getVanillaSkinPart(skin, ISkinPart.Vanilla.LEFT_ARM, -1);
+        BufferedImage rightArm = getVanillaSkinPart(skin, ISkinPart.Vanilla.RIGHT_ARM, -1);
+        BufferedImage leftLeg = getVanillaSkinPart(skin, ISkinPart.Vanilla.LEFT_LEG, -1);
+        BufferedImage rightLeg = getVanillaSkinPart(skin, ISkinPart.Vanilla.RIGHT_LEG, -1);
+
+        // Draw the body parts
+        graphics.drawImage(face, 4, 0, null);
+        graphics.drawImage(body, 4, 8, null);
+        graphics.drawImage(leftArm, skin.getModel() == Skin.Model.SLIM ? 1 : 0, 8, null);
+        graphics.drawImage(rightArm, 12, 8, null);
+        graphics.drawImage(leftLeg, 8, 20, null);
+        graphics.drawImage(rightLeg, 4, 20, null);
+
+        graphics.dispose();
+        return ImageUtils.resize(texture, size / 8D);
     }
 }

src/main/java/me/braydon/mc/common/renderer/impl/IsometricHeadSkinPartRenderer.java

@@ -63,23 +63,25 @@ public final class IsometricHeadSkinPartRenderer extends SkinRenderer<ISkinPart.
         double zOffset = scale * 3.5D;
         double xOffset = scale * 2D;
 
-        BufferedImage texture = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
+        BufferedImage texture = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB); // The texture to return
-        Graphics2D graphics = texture.createGraphics();
+        Graphics2D graphics = texture.createGraphics(); // Create the graphics for drawing
 
+        // Get the Vanilla skin parts to draw
         BufferedImage headTop = getVanillaSkinPart(skin, ISkinPart.Vanilla.HEAD_TOP, scale);
         BufferedImage face = getVanillaSkinPart(skin, ISkinPart.Vanilla.FACE, scale);
         BufferedImage headLeft = getVanillaSkinPart(skin, ISkinPart.Vanilla.HEAD_LEFT, scale);
 
-        // Draw the top of the left
+        // Draw the top head part
         drawPart(graphics, headTop, HEAD_TOP_TRANSFORM, -0.5 - zOffset, xOffset + zOffset, headTop.getWidth(), headTop.getHeight() + 2);
 
-        // Draw the face of the head
+        // Draw the face part
         double x = xOffset + 8 * scale;
         drawPart(graphics, face, FACE_TRANSFORM, x, x + zOffset - 0.5, face.getWidth(), face.getHeight());
 
-        // Draw the left side of the head
+        // Draw the left head part
         drawPart(graphics, headLeft, HEAD_LEFT_TRANSFORM, xOffset + 1, zOffset - 0.5, headLeft.getWidth(), headLeft.getHeight());
 
+        graphics.dispose();
         return texture;
     }
 

src/main/java/me/braydon/mc/common/renderer/impl/VanillaSkinPartRenderer.java

@@ -57,8 +57,8 @@ public final class VanillaSkinPartRenderer extends SkinRenderer<ISkinPart.Vanill
             return partImage;
         }
         // Create a new image, draw our skin part texture, and then apply overlays
-        BufferedImage texture = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
+        BufferedImage texture = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB); // The texture to return
-        Graphics2D graphics = texture.createGraphics();
+        Graphics2D graphics = texture.createGraphics(); // Create the graphics for drawing
         graphics.drawImage(partImage, 0, 0, null);
 
         // Draw part overlays
@@ -68,6 +68,7 @@ public final class VanillaSkinPartRenderer extends SkinRenderer<ISkinPart.Vanill
                 applyOverlay(graphics, getVanillaSkinPart(skin, overlay, scale));
             }
         }
+        graphics.dispose();
         return texture;
     }
 }

src/main/java/me/braydon/mc/model/skin/ISkinPart.java

@@ -78,7 +78,7 @@ public interface ISkinPart {
     /**
      * A part of a Vanilla skin texture.
      */
-    @AllArgsConstructor @RequiredArgsConstructor @Getter @ToString
+    @RequiredArgsConstructor @Getter @ToString
     enum Vanilla implements ISkinPart {
         // Overlays
         HEAD_OVERLAY_FACE(new Coordinates(40, 8), 8, 8),
@@ -89,7 +89,21 @@ public interface ISkinPart {
         HEAD_LEFT(new Coordinates(0, 8), 8, 8),
         HEAD_RIGHT(new Coordinates(16, 8), 8, 8),
         HEAD_BOTTOM(new Coordinates(16, 0), 8, 8),
-        HEAD_BACK(new Coordinates(24, 8), 8, 8);
+        HEAD_BACK(new Coordinates(24, 8), 8, 8),
+
+        // Body
+        BODY_FRONT(new Coordinates(20, 20), 8, 12),
+        BODY_BACK(new Coordinates(20, 36), 8, 12),
+        BODY_LEFT(new Coordinates(32, 52), 4, 12),
+        BODY_RIGHT(new Coordinates(44, 20), 4, 12),
+
+        // Arms
+        LEFT_ARM(new Coordinates(44, 20), 4, 12),
+        RIGHT_ARM(new Coordinates(36, 52), new LegacyCoordinates(44, 20, true), 4, 12),
+
+        // Legs
+        LEFT_LEG(new Coordinates(4, 20), 4, 12),
+        RIGHT_LEG(new Coordinates(20, 52), new LegacyCoordinates(4, 20, true), 4, 12);
 
         /**
          * The coordinates of this part.
@@ -119,6 +133,14 @@ public interface ISkinPart {
             this(coordinates, null, width, height, overlays);
         }
 
+        Vanilla(@NonNull Coordinates coordinates, LegacyCoordinates legacyCoordinates, int width, int height, Vanilla... overlays) {
+            this.coordinates = coordinates;
+            this.legacyCoordinates = legacyCoordinates;
+            this.width = width;
+            this.height = height;
+            this.overlays = overlays;
+        }
+
         /**
          * Render a part of a skin.
          *
@@ -132,6 +154,24 @@ public interface ISkinPart {
             return VanillaSkinPartRenderer.INSTANCE.render(skin, this, overlays, size);
         }
 
+        /**
+         * Is this part an arm?
+         *
+         * @return whether this part is an arm
+         */
+        public boolean isArm() {
+            return this == LEFT_ARM || this == RIGHT_ARM;
+        }
+
+        /**
+         * Does this part have legacy coordinates?
+         *
+         * @return whether this part has legacy coordinates
+         */
+        public boolean hasLegacyCoordinates() {
+            return legacyCoordinates != null;
+        }
+
         /**
          * Coordinates of a part of a skin.
          */

src/main/java/me/braydon/mc/service/MojangService.java

@@ -196,7 +196,7 @@ public final class MojangService {
 
         Optional<CachedSkinPartTexture> cached = skinPartTextureCache.findById(id); // Get the cached texture
         if (cached.isPresent()) { // Respond with the cache if present
-            return cached.get().getTexture();
+//            return cached.get().getTexture();
         }
 
         Skin skin = null; // The target skin to get the skin part of