26.1 Update

bootstrap/src/main/java/org/geysermc/pack/converter/bootstrap/BootstrapLogListener.java

@@ -42,11 +42,8 @@ public BootstrapLogListener(ThunderGUI gui) {
     }
 
     @Override
-    public void debug(@NotNull String message) {
-        if (gui.debugMode.get()) {
-            appendText("DEBUG: " + message);
-        }
-
+    public void debugUnchecked(@NotNull String message) {
+        appendText("DEBUG: " + message);
         super.debug(message);
     }
 
@@ -82,6 +79,11 @@ public void error(@NotNull String message, @Nullable Throwable exception) {
         super.error(message, exception);
     }
 
+    @Override
+    public boolean isDebugEnabled() {
+        return gui.debugMode.get();
+    }
+
     private void appendText(String text) {
         if (gui.outputArea.getText().isEmpty()) {
             gui.outputArea.setText(

bootstrap/src/main/java/org/geysermc/pack/converter/bootstrap/ThunderGUI.java

@@ -138,12 +138,16 @@ public ThunderGUI(boolean debug) throws IOException {
                         convertButton.setEnabled(true);
                         if (debugCheckbox != null) debugCheckbox.setEnabled(true);
                         this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
-                    } catch (IOException e) {
-                        throw new RuntimeException(e);
+                    } catch (Exception e) {
+                        logListener.error("Error converting.", e);
+                        converting.set(false);
+                        convertButton.setEnabled(true);
+                        if (debugCheckbox != null) debugCheckbox.setEnabled(true);
+                        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
                     }
                 }).start();
             } catch (Exception e) {
-                e.printStackTrace();
+                logListener.error("Error converting.", e);
                 converting.set(false);
                 convertButton.setEnabled(true);
                 if (debugCheckbox != null) debugCheckbox.setEnabled(true);
@@ -207,6 +211,7 @@ public ThunderGUI(boolean debug) throws IOException {
         });
         this.add(javaPackButton);
 
+        this.setLocationRelativeTo(null);
         this.setVisible(true);
     }
 }

converter/src/main/java/org/geysermc/pack/converter/pipeline/AssetConverters.java

@@ -50,7 +50,6 @@
 import team.unnamed.creative.part.ResourcePackPart;
 import team.unnamed.creative.serialize.minecraft.ResourceCategory;
 import team.unnamed.creative.serialize.minecraft.language.LanguageSerializer;
-import team.unnamed.creative.serialize.minecraft.sound.SoundSerializer;
 import team.unnamed.creative.sound.Sound;
 import team.unnamed.creative.sound.SoundRegistry;
 import team.unnamed.creative.texture.Texture;

converter/src/main/java/org/geysermc/pack/converter/type/base/PackManifestConverter.java

@@ -28,12 +28,14 @@
 
 import org.geysermc.pack.bedrock.resource.Manifest;
 import org.geysermc.pack.bedrock.resource.manifest.Header;
+import org.geysermc.pack.bedrock.resource.manifest.Metadata;
 import org.geysermc.pack.bedrock.resource.manifest.Modules;
 import org.geysermc.pack.converter.pipeline.AssetConverter;
 import org.geysermc.pack.converter.pipeline.ConversionContext;
 import team.unnamed.creative.metadata.pack.PackMeta;
 
 import java.util.List;
+import java.util.Map;
 import java.util.UUID;
 
 public class PackManifestConverter implements AssetConverter<PackMeta, Manifest> {
@@ -54,6 +56,11 @@ public Manifest convert(PackMeta packMeta, ConversionContext context) throws Exc
 
         manifest.header(header);
 
+        Metadata metadata = new Metadata();
+        metadata.generatedWith(Map.of("PackConverter", new String[]{"GeyserMC"}));
+
+        manifest.metadata(metadata);
+
         Modules module = new Modules();
         module.description(packMeta.description());
         module.type("resources");

converter/src/main/java/org/geysermc/pack/converter/type/misc/SplashTextConverter.java

@@ -42,7 +42,7 @@ public class SplashTextConverter implements AssetConverter<Writable, JsonElement
     public JsonElement convert(Writable writable, ConversionContext context) throws Exception {
         String[] splashes = writable.toUTF8String().split("\n");
         JsonArray splashesArray = new JsonArray();
-        Arrays.stream(splashes).toList().forEach(splashesArray::add);
+        Arrays.stream(splashes).forEach(splashesArray::add);
         JsonObject object = new JsonObject();
         object.add("splashes", splashesArray);
         return object;

converter/src/main/java/org/geysermc/pack/converter/type/texture/PngToTgaMappings.java

@@ -144,6 +144,7 @@ public final class PngToTgaMappings {
             put("textures/entity/horse/armor/horse_armor_leather.png", new TgaMapping("textures/entity/horse/armor/horse_armor_leather.tga"));
             put("textures/entity/horse2/armor/horse_armor_leather.png", new TgaMapping("textures/entity/horse2/armor/horse_armor_leather.tga"));
             put("textures/entity/sheep/sheep.png", new TgaMapping("textures/entity/sheep/sheep.tga"));
+            put("textures/entity/sheep/sheep_baby.png", new TgaMapping("textures/entity/sheep/sheep_baby.tga"));
             put("textures/entity/slime/magmacube.png", new TgaMapping("textures/entity/slime/magmacube.tga"));
             put("textures/entity/spider/cave_spider.png", new TgaMapping("textures/entity/spider/cave_spider.tga"));
             put("textures/entity/spider/spider.png", new TgaMapping("textures/entity/spider/spider.tga"));

converter/src/main/java/org/geysermc/pack/converter/type/texture/transformer/TextureTransformer.java

@@ -28,6 +28,7 @@
 
 import net.kyori.adventure.key.Key;
 import org.geysermc.pack.converter.util.ImageUtil;
+import org.geysermc.pack.converter.util.KeyUtil;
 import org.jetbrains.annotations.NotNull;
 import team.unnamed.creative.texture.Texture;
 
@@ -58,6 +59,10 @@ default int order() {
         return ORDER_NORMAL;
     }
 
+    default void gridTransform(@NotNull TransformContext context, boolean poll, int rows, int columns, String bedrockOutput, String... javaInputs) throws IOException {
+        gridTransform(context, poll, rows, columns, KeyUtil.key(Key.MINECRAFT_NAMESPACE, bedrockOutput), Arrays.stream(javaInputs).map(str -> KeyUtil.key(Key.MINECRAFT_NAMESPACE, str)).toArray(Key[]::new));
+    }
+
     // Adds images in rows and columns
     default void gridTransform(@NotNull TransformContext context, boolean poll, int rows, int columns, Key bedrockOutput, Key... javaInputs) throws IOException {
         if (rows * columns != javaInputs.length) {
@@ -67,6 +72,7 @@ default void gridTransform(@NotNull TransformContext context, boolean poll, int
         boolean exists = false;
 
         for (Key javaInput : javaInputs) {
+            if (javaInput == null) continue;
             if (context.isTexturePresent(javaInput)) {
                 exists = true;
                 break;

converter/src/main/java/org/geysermc/pack/converter/type/texture/transformer/TransformGraphics.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2026 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/PackConverter
+ *
+ */
+
+package org.geysermc.pack.converter.type.texture.transformer;
+
+import net.kyori.adventure.key.Key;
+import org.geysermc.pack.converter.util.ImageUtil;
+import org.geysermc.pack.converter.util.KeyUtil;
+
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+
+public class TransformGraphics {
+    private final TransformContext context;
+    private final String output;
+    private final float scale;
+
+    private final BufferedImage outputImg;
+
+    public static TransformGraphics of(TransformContext context, String output, int vanillaWidth, int vanillaHeight, float scale) {
+        return new TransformGraphics(context, output, vanillaWidth, vanillaHeight, scale);
+    }
+
+    private TransformGraphics(TransformContext context, String output, int vanillaWidth, int vanillaHeight, float scale) {
+        this.context = context;
+        this.output = output;
+        this.scale = scale;
+
+        this.outputImg = new BufferedImage((int) (vanillaWidth * scale), (int) (vanillaHeight * scale), BufferedImage.TYPE_INT_ARGB);
+    }
+
+    public TransformGraphics addImage(SourceImage source) {
+        this.outputImg.getGraphics().drawImage(source.texture, 0, 0, null);
+
+        return this;
+    }
+
+    public TransformGraphics addImage(SourceImage source, int desX, int desY) {
+        this.outputImg.getGraphics().drawImage(source.texture, desX, desY, null);
+
+        return this;
+    }
+
+    public TransformGraphics addImage(SourceImage source, int srcX, int srcY, int width, int height, int desX, int desY) {
+        this.outputImg.getGraphics().drawImage(ImageUtil.crop(
+                source.texture, source.x(srcX), source.y(srcY),
+                source.x(width), source.y(height)
+        ), (int) (desX * scale), (int) (desY * scale), null);
+
+        return this;
+    }
+
+    public void finish() throws IOException {
+        context.offer(KeyUtil.key(Key.MINECRAFT_NAMESPACE, this.output), this.outputImg, "PNG");
+    }
+
+    public static class SourceImage {
+        private final BufferedImage texture;
+        private final int vanillaWidth, vanillaHeight;
+
+        public SourceImage(BufferedImage texture, int vanillaWidth, int vanillaHeight) {
+            this.texture = texture;
+            this.vanillaWidth = vanillaWidth;
+            this.vanillaHeight = vanillaHeight;
+        }
+
+        public float x(int srcX) {
+            return srcX * (this.texture.getWidth() / (float) vanillaWidth);
+        }
+
+        public float y(int srcY) {
+            return srcY * (this.texture.getHeight() / (float) vanillaHeight);
+        }
+    }
+}