Added support for Lang files

src/main/java/net/hypixel/resourcepack/PackConverter.java

@@ -47,13 +47,15 @@ public PackConverter(OptionSet optionSet) {
         if (from.equals("1.12")) {
             this.registerConverter(new ModelConverter(this, light));
             this.registerConverter(new SpacesConverter(this));
+            this.registerConverter(new LangConverter(this));
             this.registerConverter(new SoundsConverter(this));
             this.registerConverter(new ParticleConverter(this));
             this.registerConverter(new BlockStateConverter(this));
             this.registerConverter(new AnimationConverter(this));
             this.registerConverter(new MapIconConverter(this));
             this.registerConverter(new MCPatcherConverter(this));
         }
+        this.registerConverter(new LangConverter(this));
         if (to.equals("1.15")) this.registerConverter(new ChestConverter(this));
     }
 

src/main/java/net/hypixel/resourcepack/impl/LangConverter.java

@@ -0,0 +1,65 @@
+package net.hypixel.resourcepack.impl;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import net.hypixel.resourcepack.Converter;
+import net.hypixel.resourcepack.PackConverter;
+import net.hypixel.resourcepack.Util;
+import net.hypixel.resourcepack.extra.PropertiesEx;
+import net.hypixel.resourcepack.pack.Pack;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Enumeration;
+import java.util.Map;
+
+public class LangConverter extends Converter {
+    public LangConverter(PackConverter packConverter) {
+        super(packConverter);
+    }
+
+    @Override
+
+    public void convert(Pack pack) throws IOException {
+        Path path = pack.getWorkingPath().resolve("assets" + File.separator + "minecraft" + File.separator + "lang");
+        if (!path.toFile().exists()) return;
+
+        Files.list(path)
+                .filter(path1 -> path1.toString().endsWith(".lang"))
+                .forEach(model -> {
+                    try (InputStream input = new FileInputStream(model.toString())) {
+                        PropertiesEx prop = new PropertiesEx();
+                        PropertiesEx prop2 = new PropertiesEx();
+                        prop.load(input);
+                        JsonObject id = Util.readJsonResource(packConverter.getGson(), "/lang.json");
+                        try (OutputStream output = new FileOutputStream(model.toString())) {
+                        Enumeration<String> enums = (Enumeration<String>) prop.propertyNames();
+                        while (enums.hasMoreElements()) {
+                            String key = enums.nextElement();
+                            String value = prop.getProperty(key);
+                            for (Map.Entry<String, JsonElement> id2 : id.entrySet()) {
+                                if (key.equals(id2.getKey())) {
+                                    prop2.setProperty(id2.getValue().getAsString(), value);
+                                } else prop2.setProperty(key, value);
+                            }
+                        }
+
+
+
+                            //Saves File
+                            prop2.store(output, "");
+                        } catch (IOException io) {
+                            io.printStackTrace();
+                        }
+
+
+                    } catch (IOException e) {
+                        throw Util.propagate(e);
+                    }
+                });
+    }
+
+
+        }
+

src/main/java/net/hypixel/resourcepack/impl/NameConverter.java

@@ -20,6 +20,7 @@ public class NameConverter extends Converter {
     protected final Mapping blockMapping = new BlockMapping();
     protected final Mapping itemMapping = new ItemMapping();
     protected final Mapping entityMapping = new EntityMapping();
+    protected final Mapping langMapping = new LangMapping();
 
     public NameConverter(PackConverter packConverter) {
         super(packConverter);
@@ -91,6 +92,9 @@ public Mapping getBlockMapping() {
     public Mapping getItemMapping() {
         return itemMapping;
     }
+    public Mapping getLangMapping() {
+        return langMapping;
+    }
 
     protected abstract static class Mapping {
 
@@ -126,6 +130,20 @@ protected void load() {
     }
 
 
+
+    protected class LangMapping extends Mapping {
+        @Override
+        protected void load() {
+            JsonObject entities = Util.readJsonResource(packConverter.getGson(), "/lang.json");
+            if (entities != null) {
+                for (Map.Entry<String, JsonElement> entry : entities.entrySet()) {
+                    this.mapping.put(entry.getKey(), entry.getValue().getAsString());
+                }
+            }
+        }
+    }
+
+
     protected class EntityMapping extends Mapping {
 
         @Override