optional fields

Author: JustS-js

src/main/java/net/just_s/sds/config/Config.java

@@ -1,5 +1,6 @@
 package net.just_s.sds.config;
 
+import com.google.gson.stream.JsonWriter;
 import com.mojang.serialization.JsonOps;
 import net.just_s.sds.SDSMod;
 import net.minecraft.block.Block;
@@ -41,7 +42,9 @@ protected static void deserialize(JsonElement element) {
     public static void save() {
         JsonElement json = serialize();
         try (FileWriter w = new FileWriter(configFile)) {
-            GSON.toJson(json, w);
+            final JsonWriter jw = GSON.newJsonWriter(w);
+            jw.setIndent("\t");
+            GSON.toJson(json, jw);
             SDSMod.LOGGER.info("Saved new config file.");
         } catch (IOException e) {SDSMod.LOGGER.error("Error while saving:" + e.getMessage());}
     }

src/main/java/net/just_s/sds/config/SDSConfig.java

@@ -23,7 +23,7 @@ public SDSConfig() {
         this(
                 new Rules(
                         List.of(
-                                new Entry("iron_bars", Map.of()),
+                                new Entry("iron_bars"),
                                 new Entry("bamboo", Map.of(
                                                 "leaves", List.of("none", "large"),
                                                 "age", List.of("all")
@@ -32,10 +32,10 @@ public SDSConfig() {
                         ),
                         Map.of(),
                         List.of(
-                                new Entry("stairs", Map.of()),
-                                new Entry("walls", Map.of()),
-                                new Entry("c:glass_panes", Map.of()),
-                                new Entry("fences", Map.of()),
+                                new Entry("stairs"),
+                                new Entry("walls"),
+                                new Entry("c:glass_panes"),
+                                new Entry("fences"),
                                 new Entry("slabs", Map.of(
                                                 "type", List.of("top", "bottom")
                                         )
@@ -108,10 +108,14 @@ public record Entry(
         static Codec<Entry> CODEC = RecordCodecBuilder.create(
                 instance -> instance.group(
                         Codec.STRING.fieldOf("id").forGetter(Entry::id),
-                        Codec.unboundedMap(Codec.STRING, Codec.list(Codec.STRING)).fieldOf("properties").forGetter(Entry::properties)
+                        Codec.unboundedMap(Codec.STRING, Codec.list(Codec.STRING)).optionalFieldOf("properties", Map.of()).forGetter(Entry::properties)
                 ).apply(instance, Entry::new)
         );
 
+        public Entry(String id) {
+            this(id, Map.of());
+        }
+
         public boolean isEmpty() {
             return properties == null || properties.isEmpty();
         }