Item spawn saving

src/main/kotlin/Editors.kt

@@ -343,6 +343,38 @@ enum class Editors(val data: EditorData) {
             }
             TableData.itemSpawns = spawnMap
 	}
+
+	override fun save() {
+	    Logger.logInfo("Saving Item spawn info...")
+	    val spawnMap = HashMap<Int, StringBuilder>()
+	    for ((_, spawns) in TableData.itemSpawns) {
+	    	for (spawn in spawns) {
+		    if (!spawnMap.contains(spawn.id)) spawnMap[spawn.id] = StringBuilder()
+		    spawnMap[spawn.id]!!.append("{${spawn.amount},${spawn.location.x},${spawn.location.y},${spawn.location.z},${spawn.respawnTicks}}-")
+		}
+	    }
+	    val spawnsJsonArray = JSONArray()
+	    for ((id, spawnString) in spawnMap.entries.sortedBy { it.key.toInt() }) {
+		val spawn = JSONObject()
+		spawn["item_id"] = id.toString()
+		spawn["loc_data"] = spawnString.toString()
+		spawnsJsonArray.add(spawn)
+	    }
+	    val manager = ScriptEngineManager()
+            val scriptEngine = manager.getEngineByName("JavaScript")
+            scriptEngine.put("jsonString", spawnsJsonArray.toJSONString())
+            scriptEngine.eval("result = JSON.stringify(JSON.parse(jsonString), null, 2)")
+            val prettyPrintedJson = scriptEngine["result"] as String
+
+            try {
+                FileWriter(EditorConstants.CONFIG_PATH + File.separator + fileName).use { file ->
+                    file.write(prettyPrintedJson)
+                    file.flush()
+                }
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+	}
     })
 }