Update SkinProvider.java

Fix OptiFine capes and downscales banner capes so they work on PE too.

connector/src/main/java/org/geysermc/connector/utils/SkinProvider.java

@@ -164,11 +164,17 @@ public class SkinProvider {
         BufferedImage image = ImageIO.read(new URL(imageUrl));
         Geyser.getLogger().debug("Downloaded " + imageUrl);
 
-        if (cape) {
+        if (cape && image.getWidth() <= 64) {
             BufferedImage newImage = new BufferedImage(64, 32, BufferedImage.TYPE_INT_RGB);
-
             Graphics g = newImage.createGraphics();
-            g.drawImage(image, 0, 0, 64, 32, null);
+            g.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
+            g.dispose();
+            image = newImage;
+        }
+        else if(cape && image.getWidth() >= 64 && image.getWidth() <= 128) {
+            BufferedImage newImage = new BufferedImage(64, 32, BufferedImage.TYPE_INT_RGB);
+            Graphics g = newImage.createGraphics();
+            g.drawImage(scale(image), 0, 0, scale(image).getWidth(), scale(image).getHeight(), null);
             g.dispose();
             image = newImage;
         }
@@ -193,6 +199,15 @@ public class SkinProvider {
         }
     }
 
+    private static BufferedImage scale (BufferedImage bufferedImage) {
+        BufferedImage resized = new BufferedImage(bufferedImage.getWidth() / 2, bufferedImage.getHeight() / 2, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2 = resized.createGraphics();
+        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
+        g2.drawImage(bufferedImage, 0, 0, bufferedImage.getWidth() / 2, bufferedImage.getHeight() / 2, null);
+        g2.dispose();
+        return resized;
+    }
+
     public static <T> T getOrDefault(CompletableFuture<T> future, T defaultValue, int timeoutInSeconds) {
         try {
             return future.get(timeoutInSeconds, TimeUnit.SECONDS);