Switch over to GSON and add sound converter

legacy/custom/CustomModelDataHandler.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2019-2023 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.util;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+
+public class CustomModelDataHandler {
+
+    public static String handleItemData(ObjectMapper mapper, Path storage, String filePath) {
+        // Start the creation of the JSON that registers the object
+        ObjectNode item = mapper.createObjectNode();
+        // Standard JSON
+        item.put("format_version", "1.16.0");
+        ObjectNode itemData = mapper.createObjectNode();
+        ObjectNode itemDescription = mapper.createObjectNode();
+
+        // Full identifier with geysercmd prefix (cmd for CustomModelData - just in case it clashes with something we do in the future)
+        String identifier = "geysercmd:" + filePath.replace("item/", "");
+        // Register the full identifier
+        itemDescription.put("identifier", identifier);
+        itemData.set("description", itemDescription);
+        ObjectNode itemComponent = mapper.createObjectNode();
+        // Define which texture in item_texture.json this should use. We just set it to the "clean identifier"
+        itemComponent.put("minecraft:icon", identifier.replace("geysercmd:", ""));
+        // TODO: Apply components based off the original item
+        // TODO: Components tell Bedrock how the item operates, how much you can stack, can you eat it, etc
+        // TODO: We can probably generate this from the mappings-generator as the Bedrock vanilla behavior pack doesn't define every item
+        itemComponent.put("minecraft:render_offsets", "tools");
+        itemData.set("components", itemComponent);
+        item.set("minecraft:item", itemData);
+
+        // Create, if necessary, the folder that stores all item information
+        File itemJsonFile = storage.resolve("items").toFile();
+        if (!itemJsonFile.exists()) {
+            itemJsonFile.mkdir();
+        }
+
+        // Write our item information
+        Path path = itemJsonFile.toPath().resolve(filePath.replace("item/", "") + ".json");
+        try (OutputStream outputStream = Files.newOutputStream(path,
+                StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.CREATE)) {
+            mapper.writer().writeValue(outputStream, item);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+
+        return identifier;
+    }
+
+    public static ObjectNode handleItemTexture(ObjectMapper mapper, Path storage, String filePath) {
+        String cleanIdentifier = filePath.replace("item/", "");
+
+        InputStream stream;
+        JsonNode textureFile;
+        try {
+            // Read the model information for the Java CustomModelData
+            stream = new FileInputStream(storage.resolve("assets/minecraft/models/" + filePath + ".json").toFile());
+            textureFile = mapper.readTree(stream);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+
+        // TODO: This is called BSing it. It works but is it correct?
+        if (textureFile.has("textures")) {
+            if (textureFile.get("textures").has("0") || textureFile.get("textures").has("layer0")) {
+                String determine = textureFile.get("textures").has("0") ? "0" : "layer0";
+                ObjectNode textureData = mapper.createObjectNode();
+                ObjectNode textureName = mapper.createObjectNode();
+                // Make JSON data for Bedrock pointing to where texture data for this item is stored
+                textureName.put("textures", textureFile.get("textures").get(determine).textValue().replace("item/", "textures/items/"));
+                // Have the identifier point to that texture data
+                textureData.set(cleanIdentifier, textureName);
+                return textureData;
+            }
+        }
+
+        return null;
+    }
+
+}