writing config to disk

src/net/torvald/terrarum/serialise/WriteConfig.kt

@@ -0,0 +1,51 @@
+package net.torvald.terrarum.serialise
+
+import com.badlogic.gdx.utils.Json
+import com.badlogic.gdx.utils.JsonValue
+import com.badlogic.gdx.utils.JsonWriter
+import net.torvald.terrarum.App
+import net.torvald.terrarum.KVHashMap
+import net.torvald.terrarum.utils.JsonFetcher
+
+/**
+ * Created by minjaesong on 2021-09-19.
+ */
+object WriteConfig {
+
+    private val jsoner = Json(JsonWriter.OutputType.json)
+
+    init {
+        // KVHashMap
+        jsoner.setSerializer(KVHashMap::class.java, object : Json.Serializer<KVHashMap> {
+            override fun write(json: Json, obj: KVHashMap, knownType: Class<*>?) {
+                json.writeObjectStart()
+                obj.hashMap.toSortedMap().forEach { (k, v) ->
+                    json.writeValue(k, v)
+                }
+                json.writeObjectEnd()
+            }
+
+            override fun read(json: Json, jsonData: JsonValue, type: Class<*>?): KVHashMap {
+                val map = KVHashMap()
+                JsonFetcher.forEach(jsonData) { key, obj ->
+                    map[key] = json.readValue(null, obj)
+                }
+                return map
+            }
+        })
+
+    }
+
+    operator fun invoke() {
+        println("Writing config...")
+        App.gameConfig.hashMap.forEach { s, any ->
+            println("config $s = $any")
+        }
+
+
+        val writer = java.io.FileWriter(App.configDir, false)
+        writer.write(jsoner.prettyPrint(App.gameConfig))
+        writer.close()
+    }
+
+}