make the skin renderer less bad (thanks bray)

src/main/java/cc.fascinated/common/ImageUtils.java

@@ -1,41 +0,0 @@
-package cc.fascinated.common;
-
-import jakarta.validation.constraints.NotNull;
-import lombok.extern.log4j.Log4j2;
-
-import java.awt.*;
-import java.awt.geom.AffineTransform;
-import java.awt.image.BufferedImage;
-
-@Log4j2
-public class ImageUtils {
-
-    /**
-     * Resize an image.
-     *
-     * @param src the source image
-     * @param scale the scale factor
-     * @return the scaled image
-     */
-    public static BufferedImage resize(@NotNull final BufferedImage src, final double scale) {
-        BufferedImage scaled = new BufferedImage((int) (src.getWidth() * scale), (int) (src.getHeight() * scale), BufferedImage.TYPE_INT_ARGB);
-        Graphics2D graphics = scaled.createGraphics();
-        graphics.drawImage(src, AffineTransform.getScaleInstance(scale, scale), null);
-        graphics.dispose();
-        return scaled;
-    }
-
-    /**
-     * Flip an image.
-     *
-     * @param src the source image
-     * @return the flipped image
-     */
-    public static BufferedImage flip(@NotNull final BufferedImage src) {
-        BufferedImage flipped = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_INT_ARGB);
-        Graphics2D graphics = flipped.createGraphics();
-        graphics.drawImage(src, src.getWidth(), 0, 0, src.getHeight(), 0, 0, src.getWidth(), src.getHeight(), null);
-        graphics.dispose();
-        return flipped;
-    }
-}

src/main/java/cc.fascinated/model/player/Skin.java

@@ -1,233 +0,0 @@
-package cc.fascinated.model.player;
-
-import cc.fascinated.common.PlayerUtils;
-import cc.fascinated.config.Config;
-import cc.fascinated.exception.impl.BadRequestException;
-import cc.fascinated.service.skin.SkinRenderer;
-import cc.fascinated.service.skin.impl.BodyRenderer;
-import cc.fascinated.service.skin.impl.HeadRenderer;
-import cc.fascinated.service.skin.impl.IsometricHeadRenderer;
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.google.gson.JsonObject;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.extern.log4j.Log4j2;
-
-import javax.imageio.ImageIO;
-import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
-import java.util.HashMap;
-import java.util.Map;
-
-@AllArgsConstructor @NoArgsConstructor
-@Getter @Log4j2
-public class Skin {
-    /**
-     * The default skin, usually used when the skin is not found.
-     */
-    public static final Skin DEFAULT_SKIN = new Skin("http://textures.minecraft.net/texture/60a5bd016b3c9a1b9272e4929e30827a67be4ebb219017adbbc4a4d22ebd5b1",
-            Model.DEFAULT);
-
-    /**
-     * The URL for the skin
-     */
-    private String url;
-
-    /**
-     * The model for the skin
-     */
-    private Model model;
-
-    /**
-     * The legacy status of the skin
-     */
-    private boolean isLegacy = false;
-
-    /**
-     * The skin image for the skin
-     */
-    @JsonIgnore
-    private byte[] skinImage;
-
-    /**
-     * The part URLs of the skin
-     */
-    @JsonProperty("parts")
-    private Map<String, String> partUrls = new HashMap<>();
-
-    public Skin(String url, Model model) {
-        this.url = url;
-        this.model = model;
-
-        this.skinImage = PlayerUtils.getSkinImage(url);
-        if (this.skinImage != null) {
-            try {
-                BufferedImage image = ImageIO.read(new ByteArrayInputStream(this.skinImage));
-                if (image.getWidth() == 64 && image.getHeight() == 32) { // Using the old skin format
-                    this.isLegacy = true;
-                }
-            } catch (Exception ignored) {}
-        }
-    }
-
-    /**
-     * Gets the skin from a {@link JsonObject}.
-     *
-     * @param json the JSON object
-     * @return the skin
-     */
-    public static Skin fromJson(JsonObject json) {
-        if (json == null) {
-            return null;
-        }
-        String url = json.get("url").getAsString();
-        JsonObject metadata = json.getAsJsonObject("metadata");
-        Model model = Model.fromName(metadata == null ? "default" : // Fall back to slim if the model is not found
-                metadata.get("model").getAsString());
-        return new Skin(url, model);
-    }
-
-    /**
-     * Populates the part URLs for the skin.
-     *
-     * @param playerUuid the player's UUID
-     */
-    public Skin populatePartUrls(String playerUuid) {
-        for (Parts part : Parts.values()) {
-            String partName = part.name().toLowerCase();
-            this.partUrls.put(partName, Config.INSTANCE.getWebPublicUrl() + "/player/" + partName + "/" + playerUuid);
-        }
-        return this;
-    }
-
-    /**
-     * The skin part enum that contains the
-     * information about the part.
-     */
-    @Getter @AllArgsConstructor
-    public enum Parts {
-        FACE(new HeadRenderer()),
-        HEAD(new IsometricHeadRenderer()),
-        BODY(new BodyRenderer());
-
-        /**
-         * The skin part renderer for the part.
-         */
-        private final SkinRenderer renderer;
-
-        /**
-         * Gets the name of the part.
-         *
-         * @return the name of the part
-         */
-        public String getName() {
-            return this.name().toLowerCase();
-        }
-
-        /**
-         * Gets the skin part from its name.
-         *
-         * @param name the name of the part
-         * @return the skin part
-         * @throws BadRequestException if the part is not found
-         */
-        public static Parts fromName(String name) throws BadRequestException {
-            for (Parts part : values()) {
-                if (part.name().equalsIgnoreCase(name)) {
-                    return part;
-                }
-            }
-            throw new BadRequestException("Invalid part name: " + name);
-        }
-    }
-
-    @AllArgsConstructor @Getter
-    public enum PartPosition {
-        /**
-         * Skin positions
-         */
-        HEAD_FACE(8, 8, 8, 8, null),
-        HEAD_TOP(8, 0, 8, 8, null),
-        HEAD_LEFT(0, 8, 8, 8, null),
-
-        BODY_FRONT(20, 20, 8, 12, null),
-        BODY_BACK(20, 36, 8, 12, null),
-        BODY_LEFT(32, 52, 8, 12, null),
-        BODY_RIGHT(44, 20, 8, 12, null),
-
-        RIGHT_ARM(44, 20, 4, 12, null),
-        LEFT_ARM(36, 52, 4, 12, new LegacySkinPosition(44, 20, true)),
-
-        RIGHT_LEG(4, 20, 4, 12, null),
-        LEFT_LEG(20, 52, 4, 12, new LegacySkinPosition(4, 20, true)),
-
-        /**
-         * Skin overlay (layer) positions
-         */
-        HEAD_OVERLAY_FACE(40, 8, 8, 8, null),
-        HEAD_OVERLAY_TOP(40, 0, 8, 8, null),
-        HEAD_OVERLAY_LEFT(48, 8, 8, 8, null),
-
-        BODY_OVERLAY_FRONT(20, 36, 8, 12, null),
-
-        RIGHT_ARM_OVERLAY(44, 36, 8, 12, null),
-        LEFT_ARM_OVERLAY(52, 52, 8, 12, null),
-
-        RIGHT_LEG_OVERLAY(4, 36, 4, 12, null),
-        LEFT_LEG_OVERLAY(4, 52, 20, 12, null);
-
-        /**
-         * The x, and y position of the part.
-         */
-        private final int x, y;
-
-        /**
-         * The width and height of the part.
-         */
-        private final int width, height;
-
-        /**
-         * The legacy skin position of the part.
-         */
-        private final LegacySkinPosition legacySkinPosition;
-    }
-
-    @AllArgsConstructor @Getter
-    public static class LegacySkinPosition {
-
-        /**
-         * The x, and y position of the part.
-         */
-        private final int x, y;
-
-        /*
-         * Should the part be flipped horizontally?
-         */
-        private final boolean flipped;
-    }
-
-    /**
-     * The model of the skin.
-     */
-    public enum Model {
-        DEFAULT,
-        SLIM;
-
-        /**
-         * Gets the model from its name.
-         *
-         * @param name the name of the model
-         * @return the model
-         */
-        public static Model fromName(String name) {
-            for (Model model : values()) {
-                if (model.name().equalsIgnoreCase(name)) {
-                    return model;
-                }
-            }
-            return null;
-        }
-    }
-}

src/main/java/cc.fascinated/service/skin/SkinRenderer.java

@@ -1,111 +0,0 @@
-package cc.fascinated.service.skin;
-
-import cc.fascinated.common.ImageUtils;
-import cc.fascinated.exception.impl.BadRequestException;
-import cc.fascinated.model.player.Skin;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.extern.log4j.Log4j2;
-
-import javax.imageio.ImageIO;
-import java.awt.*;
-import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-
-@AllArgsConstructor @Getter @Log4j2
-public abstract class SkinRenderer {
-
-    /**
-     * Gets the skin image.
-     *
-     * @param skin the skin
-     * @return the skin image
-     */
-    public BufferedImage getSkinImage(Skin skin) {
-        try {
-            return ImageIO.read(new ByteArrayInputStream(skin.getSkinImage()));
-        } catch (Exception ex) {
-            return null;
-        }
-    }
-
-    /**
-     * Gets the skin part image.
-     *
-     * @param skin the skin
-     * @param position the part position information
-     * @param scale the scale
-     * @return the skin part image
-     */
-    public BufferedImage getSkinPart(Skin skin, Skin.PartPosition position, double scale) {
-        try {
-            BufferedImage skinImage = this.getSkinImage(skin);
-            if (skinImage == null) {
-                return null;
-            }
-            int width = skin.getModel() == Skin.Model.SLIM && position.name().contains("ARM") ? position.getWidth() - 1 : position.getWidth();
-            BufferedImage part;
-            Skin.LegacySkinPosition legacySkinPosition = position.getLegacySkinPosition();
-            if (legacySkinPosition != null) {
-                part = skinImage.getSubimage(legacySkinPosition.getX(), legacySkinPosition.getY(), width, position.getHeight());
-                if (legacySkinPosition.isFlipped()) {
-                    part = ImageUtils.flip(part);
-                }
-            } else {
-                part = skinImage.getSubimage(position.getX(), position.getY(), width, position.getHeight());
-            }
-            return ImageUtils.resize(part, scale);
-        } catch (Exception ex) {
-            return null;
-        }
-    }
-
-    /**
-     * Gets the bytes of an image.
-     *
-     * @param image the image
-     * @param skin the skin
-     * @param partName the part name
-     * @return the bytes
-     */
-    public byte[] getBytes(BufferedImage image, Skin skin, String partName) throws BadRequestException {
-        try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
-            ImageIO.write(image, "png", outputStream);
-            // Cleanup
-            outputStream.flush();
-            log.info("Successfully got {} part bytes for {}", partName, skin.getUrl());
-            return outputStream.toByteArray();
-        } catch (Exception ex) {
-            throw new BadRequestException("Failed to get " + partName + " part bytes for " + skin.getUrl());
-        }
-    }
-
-    /**
-     * Applies an overlay (skin layer) to the head part.
-     *
-     * @param originalImage the original image
-     * @param part the part
-     */
-    public void applyOverlay(BufferedImage originalImage, BufferedImage part) {
-        if (part == null) {
-            return;
-        }
-        try {
-            Graphics2D graphics = originalImage.createGraphics();
-            graphics.drawImage(part, 0, 0, null);
-            graphics.dispose();
-        } catch (Exception ignored) {} // We can safely ignore this
-    }
-
-    /**
-     * Renders a skin part.
-     *
-     * @param skin the skin
-     * @param partName the skin part name
-     * @param renderOverlay whether to render the overlay
-     * @param size the output size
-     * @return the skin part image
-     */
-    public abstract byte[] renderPart(Skin skin, String partName, boolean renderOverlay, int size) throws BadRequestException;
-}

src/main/java/cc.fascinated/service/skin/impl/BodyRenderer.java

@@ -1,53 +0,0 @@
-package cc.fascinated.service.skin.impl;
-
-import cc.fascinated.common.ImageUtils;
-import cc.fascinated.model.player.Skin;
-import cc.fascinated.service.skin.SkinRenderer;
-import lombok.Getter;
-import lombok.extern.log4j.Log4j2;
-
-import java.awt.*;
-import java.awt.image.BufferedImage;
-
-@Getter @Log4j2
-public class BodyRenderer extends SkinRenderer {
-
-    private static final int WIDTH = 16;
-    private static final int HEIGHT = 32;
-
-    @Override
-    public byte[] renderPart(Skin skin, String partName, boolean renderOverlay, int size) {
-        log.info("Getting {} part bytes for {} with size {}", partName, skin.getUrl(), size);
-
-        BufferedImage outputImage = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_ARGB);
-        Graphics2D graphics = outputImage.createGraphics();
-
-        // Get all the required body parts
-        BufferedImage face = this.getSkinPart(skin, Skin.PartPosition.HEAD_FACE, 1);
-        BufferedImage body = this.getSkinPart(skin, Skin.PartPosition.BODY_FRONT, 1);
-        BufferedImage rightArm = this.getSkinPart(skin, Skin.PartPosition.RIGHT_ARM, 1);
-        BufferedImage leftArm = this.getSkinPart(skin, Skin.PartPosition.LEFT_ARM, 1);
-        BufferedImage rightLeg = this.getSkinPart(skin, Skin.PartPosition.RIGHT_LEG, 1);
-        BufferedImage leftLeg = this.getSkinPart(skin, Skin.PartPosition.LEFT_LEG, 1);
-
-        if (renderOverlay) { // Render the skin layers
-            applyOverlay(face, this.getSkinPart(skin, Skin.PartPosition.HEAD_OVERLAY_FACE, 1));
-            applyOverlay(body, this.getSkinPart(skin, Skin.PartPosition.BODY_OVERLAY_FRONT, 1));
-            applyOverlay(rightArm, this.getSkinPart(skin, Skin.PartPosition.RIGHT_ARM_OVERLAY, 1));
-            applyOverlay(leftArm, this.getSkinPart(skin, Skin.PartPosition.LEFT_ARM_OVERLAY, 1));
-            applyOverlay(rightLeg, this.getSkinPart(skin, Skin.PartPosition.RIGHT_LEG_OVERLAY, 1));
-            applyOverlay(leftLeg, this.getSkinPart(skin, Skin.PartPosition.LEFT_LEG_OVERLAY, 1));
-        }
-
-        // Draw the body
-        graphics.drawImage(face, 4, 0, null);
-        graphics.drawImage(body, 4, 8, null);
-        graphics.drawImage(rightArm, skin.getModel() == Skin.Model.SLIM ? 1 : 0, 8, null);
-        graphics.drawImage(leftArm, 12, 8, null);
-        graphics.drawImage(rightLeg, 4, 20, null);
-        graphics.drawImage(leftLeg, 8, 20, null);
-
-        graphics.dispose(); // Clean up
-        return super.getBytes(ImageUtils.resize(outputImage, (double) size / HEIGHT), skin, partName);
-    }
-}

src/main/java/cc.fascinated/service/skin/impl/HeadRenderer.java

@@ -1,34 +0,0 @@
-package cc.fascinated.service.skin.impl;
-
-import cc.fascinated.model.player.Skin;
-import cc.fascinated.service.skin.SkinRenderer;
-import lombok.Getter;
-import lombok.extern.log4j.Log4j2;
-
-import java.awt.*;
-import java.awt.geom.AffineTransform;
-import java.awt.image.BufferedImage;
-
-@Getter @Log4j2
-public class HeadRenderer extends SkinRenderer {
-
-    @Override
-    public byte[] renderPart(Skin skin, String partName, boolean renderOverlay, int size) {
-        double scale = (double) size / 8d;
-        log.info("Getting {} part bytes for {} with size {} and scale {}", partName, skin.getUrl(), size, scale);
-
-        BufferedImage skinPart = this.getSkinPart(skin, Skin.PartPosition.HEAD_FACE, scale);
-        if (!renderOverlay) {
-            return super.getBytes(skinPart, skin, partName);
-        }
-
-        BufferedImage outputImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
-        Graphics2D graphics = outputImage.createGraphics();
-        graphics.drawImage(skinPart, 0, 0, null);
-
-        // Apply the skin overlays
-        applyOverlay(outputImage, this.getSkinPart(skin, Skin.PartPosition.HEAD_OVERLAY_FACE, scale));
-
-        return super.getBytes(outputImage, skin, partName);
-    }
-}

src/main/java/cc.fascinated/service/skin/impl/IsometricHeadRenderer.java

@@ -1,74 +0,0 @@
-package cc.fascinated.service.skin.impl;
-
-import cc.fascinated.model.player.Skin;
-import cc.fascinated.service.skin.SkinRenderer;
-import lombok.Getter;
-import lombok.extern.log4j.Log4j2;
-
-import java.awt.*;
-import java.awt.geom.AffineTransform;
-import java.awt.image.BufferedImage;
-
-@Getter @Log4j2
-public class IsometricHeadRenderer extends SkinRenderer {
-
-    private static final double SKEW_A = 26d / 45d;   // 0.57777777
-    private static final double SKEW_B = SKEW_A * 2d; // 1.15555555
-
-    /**
-     * The head transforms
-     */
-    private static final AffineTransform HEAD_TOP_TRANSFORM = new AffineTransform(1D, -SKEW_A, 1, SKEW_A, 0, 0);
-    private static final AffineTransform FACE_TRANSFORM = new AffineTransform(1D, -SKEW_A, 0D, SKEW_B, 0d, SKEW_A);
-    private static final AffineTransform HEAD_LEFT_TRANSFORM = new AffineTransform(1D, SKEW_A, 0D, SKEW_B, 0D, 0D);
-
-    @Override
-    public byte[] renderPart(Skin skin, String partName, boolean renderOverlay, int size) {
-        double scale = (size / 8d) / 2.5;
-        log.info("Getting {} part bytes for {} with size {} and scale {}", partName, skin.getUrl(), size, scale);
-
-        double zOffset = scale * 3.5d;
-        double xOffset = scale * 2d;
-        BufferedImage outputImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
-        Graphics2D graphics = outputImage.createGraphics();
-
-        // Get all the required head parts
-        BufferedImage headTop = this.getSkinPart(skin, Skin.PartPosition.HEAD_TOP, scale);
-        BufferedImage headFront = this.getSkinPart(skin, Skin.PartPosition.HEAD_FACE, scale);
-        BufferedImage headLeft = this.getSkinPart(skin, Skin.PartPosition.HEAD_LEFT, scale);
-
-        if (renderOverlay) { // Render the skin layers
-            applyOverlay(headTop, this.getSkinPart(skin, Skin.PartPosition.HEAD_OVERLAY_TOP, scale));
-            applyOverlay(headFront, this.getSkinPart(skin, Skin.PartPosition.HEAD_OVERLAY_FACE, scale));
-            applyOverlay(headLeft, this.getSkinPart(skin, Skin.PartPosition.HEAD_OVERLAY_LEFT, scale));
-        }
-
-        // Draw the top of the left
-        drawPart(graphics, headTop, HEAD_TOP_TRANSFORM, -0.5 - zOffset, xOffset + zOffset, headTop.getWidth(), headTop.getHeight() + 2);
-
-        // Draw the face of the head
-        double x = xOffset + 8 * scale;
-        drawPart(graphics, headFront, FACE_TRANSFORM, x, x + zOffset - 0.5, headFront.getWidth(), headFront.getHeight());
-
-        // Draw the left side of the head
-        drawPart(graphics, headLeft, HEAD_LEFT_TRANSFORM, xOffset + 1, zOffset - 0.5, headLeft.getWidth(), headLeft.getHeight());
-
-        return super.getBytes(outputImage, skin, partName);
-    }
-
-    /**
-     * Draws a part of the head.
-     *
-     * @param graphics the graphics
-     * @param part the part
-     * @param transform the transform
-     * @param x the x position
-     * @param y the y position
-     * @param width the width
-     * @param height the height
-     */
-    private void drawPart(Graphics2D graphics, BufferedImage part, AffineTransform transform, double x, double y, int width, int height) {
-        graphics.setTransform(transform);
-        graphics.drawImage(part, (int) x, (int) y, width, height, null);
-    }
-}

src/main/java/cc/fascinated/common/ImageUtils.java

@@ -0,0 +1,58 @@
+package cc.fascinated.common;
+
+import jakarta.validation.constraints.NotNull;
+import lombok.SneakyThrows;
+import lombok.extern.log4j.Log4j2;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+@Log4j2
+public class ImageUtils {
+    /**
+     * Scale the given image to the provided size.
+     *
+     * @param image the image to scale
+     * @param size  the size to scale the image to
+     * @return the scaled image
+     */
+    public static BufferedImage resize(BufferedImage image, double size) {
+        BufferedImage scaled = new BufferedImage((int) (image.getWidth() * size), (int) (image.getHeight() * size), BufferedImage.TYPE_INT_ARGB);
+        Graphics2D graphics = scaled.createGraphics();
+        graphics.drawImage(image, AffineTransform.getScaleInstance(size, size), null);
+        graphics.dispose();
+        return scaled;
+    }
+
+    /**
+     * Flip the given image.
+     *
+     * @param image the image to flip
+     * @return the flipped image
+     */
+    public static BufferedImage flip(@NotNull final 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;
+    }
+
+    /**
+     * Convert an image to bytes.
+     *
+     * @param image the image to convert
+     * @return the image as bytes
+     */
+    @SneakyThrows
+    public static byte[] imageToBytes(BufferedImage image) {
+        try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
+            ImageIO.write(image, "png", outputStream);
+            return outputStream.toByteArray();
+        }
+    }
+}

src/main/java/cc/fascinated/common/renderer/IsometricSkinRenderer.java

@@ -0,0 +1,27 @@
+package cc.fascinated.common.renderer;
+
+import cc.fascinated.model.skin.ISkinPart;
+
+import java.awt.*;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+
+public abstract class IsometricSkinRenderer<T extends ISkinPart> extends SkinRenderer<T> {
+
+    /**
+     * Draw a part onto the texture.
+     *
+     * @param graphics  the graphics to draw to
+     * @param partImage the part image to draw
+     * @param transform the transform to apply
+     * @param x         the x position to draw at
+     * @param y         the y position to draw at
+     * @param width     the part image width
+     * @param height    the part image height
+     */
+    protected final void drawPart(Graphics2D graphics, BufferedImage partImage, AffineTransform transform,
+                                  double x, double y, int width, int height) {
+        graphics.setTransform(transform);
+        graphics.drawImage(partImage, (int) x, (int) y, width, height, null);
+    }
+}

src/main/java/cc/fascinated/common/renderer/SkinRenderer.java

@@ -0,0 +1,95 @@
+package cc.fascinated.common.renderer;
+
+import cc.fascinated.common.ImageUtils;
+import cc.fascinated.model.skin.ISkinPart;
+import cc.fascinated.model.skin.Skin;
+import lombok.SneakyThrows;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+
+public abstract class SkinRenderer<T extends ISkinPart> {
+
+    /**
+     * Get the texture of a part of a skin.
+     *
+     * @param skin the skin to get the part texture from
+     * @param part the part of the skin to get
+     * @param size the size to scale the texture to
+     * @return the texture of the skin part
+     */
+    @SneakyThrows
+    public BufferedImage getVanillaSkinPart(Skin skin, ISkinPart.Vanilla part, double size) {
+        ISkinPart.Vanilla.Coordinates coordinates = part.getCoordinates(); // The coordinates of the part
+
+        // The skin texture is legacy, use legacy coordinates
+        if (skin.isLegacy() && part.hasLegacyCoordinates()) {
+            coordinates = part.getLegacyCoordinates();
+        }
+        int width = part.getWidth(); // The width of the part
+        if (skin.getModel() == Skin.Model.SLIM && part.isFrontArm()) {
+            width--;
+        }
+        BufferedImage skinImage = ImageIO.read(new ByteArrayInputStream(skin.getSkinImage())); // The skin texture
+        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 the skin.
+     *
+     * @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
+     * @param height    the height of the part
+     * @param size      the size to scale the part to
+     * @return the texture of the skin part
+     */
+    @SneakyThrows
+    private BufferedImage getSkinPartTexture(BufferedImage skinImage, int x, int y, int width, int height, double size) {
+        // Create a new BufferedImage for the part of the skin texture
+        BufferedImage headTexture = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+
+        // Crop just the part we want based on our x, y, width, and height
+        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;
+    }
+
+    /**
+     * Apply an overlay to a texture.
+     *
+     * @param graphics     the graphics to overlay on
+     * @param overlayImage the part to overlay
+     */
+    protected void applyOverlay(Graphics2D graphics, BufferedImage overlayImage) {
+        try {
+            graphics.drawImage(overlayImage, 0, 0, null);
+            graphics.dispose();
+        } catch (Exception ignored) {
+            // We can safely ignore this, legacy
+            // skins don't have overlays
+        }
+    }
+
+    /**
+     * Renders the skin part for the player's skin.
+     *
+     * @param skin the player's skin
+     * @param part the skin part to render
+     * @param renderOverlays should the overlays be rendered
+     * @param size the size of the part
+     * @return the rendered skin part
+     */
+    public abstract BufferedImage render(Skin skin, T part, boolean renderOverlays, int size);
+}

src/main/java/cc/fascinated/common/renderer/impl/BodyRenderer.java

@@ -0,0 +1,42 @@
+package cc.fascinated.common.renderer.impl;
+
+import cc.fascinated.common.ImageUtils;
+import cc.fascinated.common.renderer.SkinRenderer;
+import cc.fascinated.model.skin.ISkinPart;
+import cc.fascinated.model.skin.Skin;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.extern.log4j.Log4j2;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+@AllArgsConstructor @Getter @Log4j2
+public class BodyRenderer extends SkinRenderer<ISkinPart.Custom> {
+    public static final BodyRenderer INSTANCE = new BodyRenderer();
+
+    @Override
+    public BufferedImage render(Skin skin, ISkinPart.Custom part, boolean renderOverlays, int 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_FRONT, -1);
+        BufferedImage rightArm = getVanillaSkinPart(skin, ISkinPart.Vanilla.RIGHT_ARM_FRONT, -1);
+        BufferedImage leftLeg = getVanillaSkinPart(skin, ISkinPart.Vanilla.LEFT_LEG_FRONT, -1);
+        BufferedImage rightLeg = getVanillaSkinPart(skin, ISkinPart.Vanilla.RIGHT_LEG_FRONT, -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, (double) size / 32);
+    }
+}

src/main/java/cc/fascinated/common/renderer/impl/IsometricHeadRenderer.java

@@ -0,0 +1,48 @@
+package cc.fascinated.common.renderer.impl;
+
+import cc.fascinated.common.renderer.IsometricSkinRenderer;
+import cc.fascinated.model.skin.ISkinPart;
+import cc.fascinated.model.skin.Skin;
+
+import java.awt.*;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+
+public class IsometricHeadRenderer extends IsometricSkinRenderer<ISkinPart.Custom> {
+    public static final IsometricHeadRenderer INSTANCE = new IsometricHeadRenderer();
+
+    private static final double SKEW_A = 26D / 45D;   // 0.57777777
+    private static final double SKEW_B = SKEW_A * 2D; // 1.15555555
+
+    private static final AffineTransform HEAD_TOP_TRANSFORM = new AffineTransform(1D, -SKEW_A, 1, SKEW_A, 0, 0);
+    private static final AffineTransform FACE_TRANSFORM = new AffineTransform(1D, -SKEW_A, 0D, SKEW_B, 0d, SKEW_A);
+    private static final AffineTransform HEAD_LEFT_TRANSFORM = new AffineTransform(1D, SKEW_A, 0D, SKEW_B, 0D, 0D);
+
+    @Override
+    public BufferedImage render(Skin skin, ISkinPart.Custom part, boolean renderOverlays, int size) {
+        double scale = (size / 8D) / 2.5;
+        double zOffset = scale * 3.5D;
+        double xOffset = scale * 2D;
+
+        BufferedImage texture = new BufferedImage(size, size, 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 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 head part
+        drawPart(graphics, headTop, HEAD_TOP_TRANSFORM, -0.5 - zOffset, xOffset + zOffset, headTop.getWidth(), headTop.getHeight() + 2);
+
+        // 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 head part
+        drawPart(graphics, headLeft, HEAD_LEFT_TRANSFORM, xOffset + 1, zOffset - 0.5, headLeft.getWidth(), headLeft.getHeight());
+
+        graphics.dispose();
+        return texture;
+    }
+}

src/main/java/cc/fascinated/common/renderer/impl/SquareRenderer.java

@@ -0,0 +1,39 @@
+package cc.fascinated.common.renderer.impl;
+
+import cc.fascinated.common.renderer.SkinRenderer;
+import cc.fascinated.model.skin.ISkinPart;
+import cc.fascinated.model.skin.Skin;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.extern.log4j.Log4j2;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+@AllArgsConstructor @Getter @Log4j2
+public class SquareRenderer extends SkinRenderer<ISkinPart.Vanilla> {
+    public static final SquareRenderer INSTANCE = new SquareRenderer();
+
+    @Override
+    public BufferedImage render(Skin skin, ISkinPart.Vanilla part, boolean renderOverlays, int size) {
+        double scale = size / 8D;
+        BufferedImage partImage = getVanillaSkinPart(skin, part, scale); // Get the part image
+        if (!renderOverlays) { // Not rendering overlays
+            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); // The texture to return
+        Graphics2D graphics = texture.createGraphics(); // Create the graphics for drawing
+        graphics.drawImage(partImage, 0, 0, null);
+
+        // Draw part overlays
+        ISkinPart.Vanilla[] overlayParts = part.getOverlays();
+        if (overlayParts != null) {
+            for (ISkinPart.Vanilla overlay : overlayParts) {
+                applyOverlay(graphics, getVanillaSkinPart(skin, overlay, scale));
+            }
+        }
+        graphics.dispose();
+        return texture;
+    }
+}

src/main/java/cc/fascinated/controller/PlayerController.java

@@ -2,7 +2,7 @@ package cc.fascinated.controller;
 
 import cc.fascinated.model.cache.CachedPlayer;
 import cc.fascinated.model.cache.CachedPlayerName;
-import cc.fascinated.model.player.Skin;
+import cc.fascinated.model.skin.Skin;
 import cc.fascinated.service.PlayerService;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -52,7 +52,6 @@ public class PlayerController {
             @Parameter(description = "Whether to render the skin overlay (skin layers)", example = "false") @RequestParam(required = false, defaultValue = "false") boolean overlay,
             @Parameter(description = "Whether to download the image") @RequestParam(required = false, defaultValue = "false") boolean download) {
         CachedPlayer player = playerService.getPlayer(id);
-        Skin.Parts skinPart = Skin.Parts.fromName(part);
         String dispositionHeader = download ? "attachment; filename=%s.png" : "inline; filename=%s.png";
 
         // Return the part image
@@ -60,6 +59,6 @@ public class PlayerController {
                 .cacheControl(cacheControl)
                 .contentType(MediaType.IMAGE_PNG)
                 .header(HttpHeaders.CONTENT_DISPOSITION, dispositionHeader.formatted(player.getUsername()))
-                .body(playerService.getSkinPart(player, skinPart, overlay, size).getBytes());
+                .body(playerService.getSkinPart(player, part, overlay, size).getBytes());
     }
 }

src/main/java/cc/fascinated/model/cache/CachedPlayer.java

@@ -3,7 +3,7 @@ package cc.fascinated.model.cache;
 import cc.fascinated.model.mojang.MojangProfile;
 import cc.fascinated.model.player.Cape;
 import cc.fascinated.model.player.Player;
-import cc.fascinated.model.player.Skin;
+import cc.fascinated.model.skin.Skin;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;

src/main/java/cc/fascinated/model/mojang/MojangProfile.java

@@ -4,7 +4,7 @@ import cc.fascinated.Main;
 import cc.fascinated.common.Tuple;
 import cc.fascinated.common.UUIDUtils;
 import cc.fascinated.model.player.Cape;
-import cc.fascinated.model.player.Skin;
+import cc.fascinated.model.skin.Skin;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.google.gson.JsonObject;
 import lombok.AllArgsConstructor;

src/main/java/cc/fascinated/model/player/Player.java

@@ -3,6 +3,7 @@ package cc.fascinated.model.player;
 import cc.fascinated.common.Tuple;
 import cc.fascinated.common.UUIDUtils;
 import cc.fascinated.model.mojang.MojangProfile;
+import cc.fascinated.model.skin.Skin;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import org.springframework.data.annotation.Id;

src/main/java/cc/fascinated/model/skin/ISkinPart.java

@@ -0,0 +1,199 @@
+package cc.fascinated.model.skin;
+
+import cc.fascinated.common.renderer.SkinRenderer;
+import cc.fascinated.common.renderer.impl.BodyRenderer;
+import cc.fascinated.common.renderer.impl.IsometricHeadRenderer;
+import cc.fascinated.common.renderer.impl.SquareRenderer;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.awt.image.BufferedImage;
+
+public interface ISkinPart {
+    Enum<?>[][] TYPES = { Vanilla.values(), Custom.values() };
+
+    /**
+     * The name of the part.
+     *
+     * @return the part name
+     */
+    String name();
+
+    /**
+     * Should this part be hidden from the
+     * player skin part urls list?
+     *
+     * @return whether this part should be hidden
+     */
+    boolean hidden();
+
+    /**
+     * Renders the skin part for the skin.
+     *
+     * @param skin the skin
+     * @param renderOverlays should the overlays be rendered
+     * @param size the size of the part
+     * @return the rendered skin part
+     */
+    BufferedImage render(Skin skin, boolean renderOverlays, int size);
+
+    /**
+     * Get a skin part by the given name.
+     *
+     * @param name the name of the part
+     * @return the part, null if none
+     */
+    static ISkinPart getByName(String name) {
+        name = name.toUpperCase();
+        for (Enum<?>[] type : TYPES) {
+            for (Enum<?> part : type) {
+                if (!part.name().equals(name)) {
+                    continue;
+                }
+                return (ISkinPart) part;
+            }
+        }
+        return null;
+    }
+
+    @Getter
+    enum Vanilla implements ISkinPart {
+        // Overlays
+        HEAD_OVERLAY_FACE(true, new Coordinates(40, 8), 8, 8),
+
+        // Head
+        HEAD_TOP(true, new Coordinates(8, 0), 8, 8),
+        FACE(false, new Coordinates(8, 8), 8, 8, HEAD_OVERLAY_FACE),
+        HEAD_LEFT(true, new Coordinates(0, 8), 8, 8),
+        HEAD_RIGHT(true, new Coordinates(16, 8), 8, 8),
+        HEAD_BOTTOM(true, new Coordinates(16, 0), 8, 8),
+        HEAD_BACK(true, new Coordinates(24, 8), 8, 8),
+
+        // Body
+        BODY_FRONT(true, new Coordinates(20, 20), 8, 12),
+
+        // Arms
+        LEFT_ARM_TOP(true, new Coordinates(36, 48), 4, 4),
+        RIGHT_ARM_TOP(true, new Coordinates(44, 16), 4, 4),
+
+        LEFT_ARM_FRONT(true, new Coordinates(44, 20), 4, 12),
+        RIGHT_ARM_FRONT(true, new Coordinates(36, 52), new LegacyCoordinates(44, 20, true), 4, 12),
+
+        // Legs
+        LEFT_LEG_FRONT(true, new Coordinates(4, 20), 4, 12), // Front
+        RIGHT_LEG_FRONT(true, new Coordinates(20, 52), new LegacyCoordinates(4, 20, true), 4, 12); // Front
+
+        /**
+         * Should this part be hidden from the
+         * player skin part urls list?
+         */
+        private final boolean hidden;
+
+        /**
+         * The coordinates of the part.
+         */
+        private final Coordinates coordinates;
+
+        /**
+         * The legacy coordinates of the part.
+         */
+        private final LegacyCoordinates legacyCoordinates;
+
+        /**
+         * The width and height of the part.
+         */
+        private final int width, height;
+
+        /**
+         * The overlays of the part.
+         */
+        private final Vanilla[] overlays;
+
+        Vanilla(boolean hidden, Coordinates coordinates, int width, int height, Vanilla... overlays) {
+            this(hidden, coordinates, null, width, height, overlays);
+        }
+
+        Vanilla(boolean hidden, Coordinates coordinates, LegacyCoordinates legacyCoordinates, int width, int height, Vanilla... overlays) {
+            this.hidden = hidden;
+            this.coordinates = coordinates;
+            this.legacyCoordinates = legacyCoordinates;
+            this.width = width;
+            this.height = height;
+            this.overlays = overlays;
+        }
+
+        @Override
+        public boolean hidden() {
+            return this.isHidden();
+        }
+
+        @Override
+        public BufferedImage render(Skin skin, boolean renderOverlays, int size) {
+            return SquareRenderer.INSTANCE.render(skin, this, renderOverlays, size);
+        }
+
+        /**
+         * Is this part a front arm?
+         *
+         * @return whether this part is a front arm
+         */
+        public boolean isFrontArm() {
+            return this == LEFT_ARM_FRONT || this == RIGHT_ARM_FRONT;
+        }
+
+        /**
+         * Does this part have legacy coordinates?
+         *
+         * @return whether this part has legacy coordinates
+         */
+        public boolean hasLegacyCoordinates() {
+            return legacyCoordinates != null;
+        }
+
+        @AllArgsConstructor @Getter
+        public static class Coordinates {
+            /**
+             * The X and Y position of the part.
+             */
+            private final int x, y;
+        }
+
+        @Getter
+        public static class LegacyCoordinates extends Coordinates {
+            /**
+             * Should the part be flipped horizontally?
+             */
+            private final boolean flipped;
+
+            public LegacyCoordinates(int x, int y) {
+                this(x, y, false);
+            }
+
+            public LegacyCoordinates(int x, int y, boolean flipped) {
+                super(x, y);
+                this.flipped = flipped;
+            }
+        }
+    }
+
+    @AllArgsConstructor @Getter
+    enum Custom implements ISkinPart {
+        HEAD(IsometricHeadRenderer.INSTANCE),
+        BODY(BodyRenderer.INSTANCE);
+
+        /**
+         * The renderer to use for this part
+         */
+        private final SkinRenderer<Custom> renderer;
+
+        @Override
+        public boolean hidden() {
+            return false;
+        }
+
+        @Override
+        public BufferedImage render(Skin skin, boolean renderOverlays, int size) {
+            return renderer.render(skin, this, renderOverlays, size);
+        }
+    }
+}

src/main/java/cc/fascinated/model/skin/Skin.java

@@ -0,0 +1,128 @@
+package cc.fascinated.model.skin;
+
+import cc.fascinated.common.PlayerUtils;
+import cc.fascinated.config.Config;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.gson.JsonObject;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.extern.log4j.Log4j2;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+@AllArgsConstructor @NoArgsConstructor
+@Getter @Log4j2
+public class Skin {
+    /**
+     * The default skin, usually used when the skin is not found.
+     */
+    public static final Skin DEFAULT_SKIN = new Skin("http://textures.minecraft.net/texture/60a5bd016b3c9a1b9272e4929e30827a67be4ebb219017adbbc4a4d22ebd5b1",
+            Model.DEFAULT);
+
+    /**
+     * The URL for the skin
+     */
+    private String url;
+
+    /**
+     * The model for the skin
+     */
+    private Model model;
+
+    /**
+     * The legacy status of the skin
+     */
+    private boolean isLegacy = false;
+
+    /**
+     * The skin image for the skin
+     */
+    @JsonIgnore
+    private byte[] skinImage;
+
+    /**
+     * The part URLs of the skin
+     */
+    @JsonProperty("parts")
+    private Map<String, String> partUrls = new HashMap<>();
+
+    public Skin(String url, Model model) {
+        this.url = url;
+        this.model = model;
+
+        this.skinImage = PlayerUtils.getSkinImage(url);
+        if (this.skinImage != null) {
+            try {
+                BufferedImage image = ImageIO.read(new ByteArrayInputStream(this.skinImage));
+                if (image.getWidth() == 64 && image.getHeight() == 32) { // Using the old skin format
+                    this.isLegacy = true;
+                }
+            } catch (Exception ignored) {}
+        }
+    }
+
+    /**
+     * Gets the skin from a {@link JsonObject}.
+     *
+     * @param json the JSON object
+     * @return the skin
+     */
+    public static Skin fromJson(JsonObject json) {
+        if (json == null) {
+            return null;
+        }
+        String url = json.get("url").getAsString();
+        JsonObject metadata = json.getAsJsonObject("metadata");
+        Model model = Model.fromName(metadata == null ? "default" : // Fall back to slim if the model is not found
+                metadata.get("model").getAsString());
+        return new Skin(url, model);
+    }
+
+    /**
+     * Populates the part URLs for the skin.
+     *
+     * @param playerUuid the player's UUID
+     */
+    public Skin populatePartUrls(String playerUuid) {
+        for (Enum<?>[] type : ISkinPart.TYPES) {
+            for (Enum<?> part : type) {
+                ISkinPart skinPart = (ISkinPart) part;
+                if (skinPart.hidden()) {
+                    continue;
+                }
+                String partName = part.name().toLowerCase();
+                this.partUrls.put(partName, Config.INSTANCE.getWebPublicUrl() + "/player/" + partName + "/" + playerUuid);
+            }
+        }
+        return this;
+    }
+
+    /**
+     * The model of the skin.
+     */
+    public enum Model {
+        DEFAULT,
+        SLIM;
+
+        /**
+         * Gets the model from its name.
+         *
+         * @param name the name of the model
+         * @return the model
+         */
+        public static Model fromName(String name) {
+            for (Model model : values()) {
+                if (model.name().equalsIgnoreCase(name)) {
+                    return model;
+                }
+            }
+            return null;
+        }
+    }
+}

src/main/java/cc/fascinated/service/PlayerService.java

@@ -1,5 +1,6 @@
 package cc.fascinated.service;
 
+import cc.fascinated.common.ImageUtils;
 import cc.fascinated.common.PlayerUtils;
 import cc.fascinated.common.Tuple;
 import cc.fascinated.common.UUIDUtils;
@@ -14,7 +15,8 @@ import cc.fascinated.model.mojang.MojangProfile;
 import cc.fascinated.model.mojang.MojangUsernameToUuid;
 import cc.fascinated.model.player.Cape;
 import cc.fascinated.model.player.Player;
-import cc.fascinated.model.player.Skin;
+import cc.fascinated.model.skin.ISkinPart;
+import cc.fascinated.model.skin.Skin;
 import cc.fascinated.repository.PlayerCacheRepository;
 import cc.fascinated.repository.PlayerNameCacheRepository;
 import cc.fascinated.repository.PlayerSkinPartCacheRepository;
@@ -22,6 +24,7 @@ import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.awt.image.BufferedImage;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -119,33 +122,41 @@ public class PlayerService {
      * Gets a skin part from the player's skin.
      *
      * @param player the player
-     * @param part the part of the skin
+     * @param partName the name of the part
      * @param renderOverlay whether to render the overlay
      * @return the skin part
      */
-    public CachedPlayerSkinPart getSkinPart(Player player, Skin.Parts part, boolean renderOverlay, int size) {
+    public CachedPlayerSkinPart getSkinPart(Player player, String partName, boolean renderOverlay, int size) {
         if (size > 512) {
             log.info("Size {} is too large, setting to 512", size);
             size = 512;
         }
-        log.info("Getting skin part {} for player: {}", part.getName(), player.getUniqueId());
-        String key = "%s-%s-%s".formatted(player.getUniqueId(), part.getName(), size);
+        ISkinPart part = ISkinPart.getByName(partName); // The skin part to get
+        if (part == null) { // Default to the face
+            part = ISkinPart.Vanilla.FACE;
+            log.warn("Invalid skin part {}, defaulting to {}", partName, part.name());
+        }
+
+        log.info("Getting skin part {} for player: {}", part.name(), player.getUniqueId());
+        String key = "%s-%s-%s-%s".formatted(player.getUniqueId(), part.name(), size, renderOverlay);
         Optional<CachedPlayerSkinPart> cache = playerSkinPartCacheRepository.findById(key);
 
         // The skin part is cached
         if (cache.isPresent() && Config.INSTANCE.isProduction()) {
-            log.info("Skin part {} for player {} is cached", part.getName(), player.getUniqueId());
+            log.info("Skin part {} for player {} is cached", part.name(), player.getUniqueId());
             return cache.get();
         }
 
         long before = System.currentTimeMillis();
-        byte[] skinPartBytes = part.getRenderer().renderPart(player.getSkin(), part.getName(), renderOverlay, size);
-        log.info("Took {}ms to render skin part {} for player: {}", System.currentTimeMillis() - before, part.getName(), player.getUniqueId());
+        BufferedImage renderedPart = part.render(player.getSkin(), renderOverlay, size); // Render the skin part
+        log.info("Took {}ms to render skin part {} for player: {}", System.currentTimeMillis() - before, part.name(), player.getUniqueId());
+
+        byte[] skinPartBytes = ImageUtils.imageToBytes(renderedPart); // Convert the image to bytes
         CachedPlayerSkinPart skinPart = new CachedPlayerSkinPart(
                 key,
                 skinPartBytes
         );
-        log.info("Fetched skin part {} for player: {}", part.getName(), player.getUniqueId());
+        log.info("Fetched skin part {} for player: {}", part.name(), player.getUniqueId());
 
         playerSkinPartCacheRepository.save(skinPart);
         return skinPart;

src/test/java/cc/fascinated/tests/PlayerControllerTests.java

@@ -1,7 +1,7 @@
 package cc.fascinated.tests;
 
 import cc.fascinated.config.TestRedisConfig;
-import cc.fascinated.model.player.Skin;
+import cc.fascinated.model.skin.Skin;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;