add icons, server class, isolate finding server

app/src/main/kotlin/xyz/brysonsteck/serverfordummies/App.kt

@@ -7,12 +7,14 @@ import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
+import javafx.scene.image.Image
 import javafx.stage.Stage;
 
 class App : Application() {
 
   override fun start(stage: Stage) { 
     var scene = Scene(loadFXML("primary"), 963.0, 713.0)
+    stage.icons.add(Image(this.javaClass.getResourceAsStream("app-256x256.png")))
     stage.title = "Server For Dummies"
     stage.scene = scene
     stage.show()

app/src/main/kotlin/xyz/brysonsteck/serverfordummies/PrimaryController.kt

@@ -49,6 +49,7 @@ import javafx.event.EventHandler
 import org.rauschig.jarchivelib.*
 
 import Download
+import xyz.brysonsteck.serverfordummies.server.Server
 
 class PrimaryController {
   @FXML
@@ -112,6 +113,7 @@ class PrimaryController {
   @FXML
   lateinit private var defaultsButton: Button
 
+  lateinit private var server: Server
   private var building = false
   private var directory = ""
   private var asyncResult = false
@@ -160,6 +162,7 @@ class PrimaryController {
     val result = dirChooser.showDialog(null)
     if (result != null) {
       currentDirectoryLabel.text = result.absolutePath
+      server = Server()
       val res = loadServerDir(result.absolutePath)
       if (res) {
         parentPane.isDisable = false
@@ -246,7 +249,7 @@ class PrimaryController {
         "BuildTools" to directory + "ServerForDummies" + File.separator + "Spigot" + File.separator
       )
       val spigotBuilt = File(destinations["BuildTools"]).exists()
-      val javaExtracted = File(destinations["Java 20"]).exists() 
+      val javaExtracted = File(destinations["Java 20"] + "jdk-20.0.1").exists() 
       destinations.forEach {
         File(it.value).mkdir()
       }
@@ -329,10 +332,16 @@ class PrimaryController {
         worldSettingsPane.isDisable = false
         directoryPane.isDisable = false
         parentPane.isDisable = false
-        startButton.isDisable = false
         defaultsButton.isDisable = false
         buildButton.text = "Build Server"
-        statusBar.text = if (building) {"Ready."} else {"Server build cancelled."}
+        statusBar.text = if (building) {
+          findServerJar()
+          buildButton.text = "Rebuild Server"
+          startButton.isDisable = false
+          "Ready."
+        } else {
+          "Server build cancelled."
+        }
         building = false;
       }
     }
@@ -445,7 +454,6 @@ class PrimaryController {
 
   private fun loadServerDir(dir: String): Boolean {
     directory = dir
-    var hasServer = false
     if (!File(directory).isDirectory) {
       return false;
     }
@@ -454,31 +462,14 @@ class PrimaryController {
       directory += File.separatorChar
 
     val hasDummy = File(directory + "ServerForDummies").isDirectory
-
-    // major version
-    for (i in 25 downTo 8) {
-      // patch number
-      for (j in 15 downTo 0) {
-        var spigotFile: String = ""
-        if (j == 0)
-          spigotFile += "spigot-1.$i.jar"
-        else
-          spigotFile += "spigot-1.$i.$j.jar";
-
-        hasServer = File(directory + spigotFile).isFile || File(directory + "server.jar").isFile
-        if (hasServer) 
-          break;
-      }
-      if (hasServer) 
-        break;
-    }
-
     val hasProperties = File(directory + File.separator + "server.properties").isFile
+    val hasServer = findServerJar()
 
     if (hasDummy && hasServer) {
       // server complete, just read jproperties
       statusBar.text = "Server found!"
       startButton.isDisable = false
+      buildButton.text = "Rebuild Server"
     } else if (hasDummy && !hasServer && hasProperties) {
       // just needs to be built
       startButton.isDisable = true
@@ -494,11 +485,43 @@ class PrimaryController {
     } else {
       // assume clean directory
       val result = createDialog("info", "There is no server in this directory.\nCreate one?", "Yes", "No", true)
-      File(directory + "ServerForDummies").mkdir()
+      if (result) {
+        File(directory + "ServerForDummies").mkdir()
+        startButton.isDisable = true
+        buildButton.text = "Build Server"
+      }
       statusBar.text = "Ready."
       return result
     }
 
     return true;
   }
+
+  private fun findServerJar(): Boolean {
+    // search for spigot jar
+    // major version
+    for (i in 25 downTo 8) {
+      // patch number
+      for (j in 15 downTo 0) {
+        var spigotFile: String = ""
+        if (j == 0)
+          spigotFile += "spigot-1.$i.jar"
+        else
+          spigotFile += "spigot-1.$i.$j.jar";
+
+        if (File(directory + spigotFile).isFile) {
+          server.jar = directory + spigotFile
+          return true
+        }
+      }
+    }
+
+    // try vanilla server if no spigot server
+    if (File(directory + "server.jar").isFile) {
+      server.jar = directory + "server.jar"
+      return true
+    }
+
+    return false
+  }
 }

app/src/main/kotlin/xyz/brysonsteck/serverfordummies/server/Server.kt

@@ -1,7 +1,35 @@
 package xyz.brysonsteck.serverfordummies.server
 
 import java.io.File
+import java.util.Properties
 
 public class Server {
+  public var jar = ""
 
+  private val props = Properties()
+
+  constructor() {
+    props.setProperty("allow-flight", false.toString())
+    props.setProperty("allow-nether", true.toString())
+    props.setProperty("generate-structures", true.toString())
+    props.setProperty("hardcore", false.toString())
+    props.setProperty("pvp", true.toString())
+    props.setProperty("white-list", false.toString())
+    props.setProperty("enable-command-block", false.toString())
+    props.setProperty("hide-online-players", false.toString())
+    props.setProperty("max-players", 20.toString())
+    props.setProperty("max-world-size", 29999984.toString())
+    props.setProperty("server-port", 25565.toString())
+    props.setProperty("view-distance", 10.toString())
+    props.setProperty("jvm-ram", 1024.toString())
+    props.setProperty("spawn-protection", 16.toString())
+    props.setProperty("simulation-distance", 10.toString())
+    props.setProperty("max-tick-time", 60000.toString())
+    props.setProperty("difficulty", "normal")
+    props.setProperty("gamemode", "survival")
+    props.setProperty("level-name", "world")
+    props.setProperty("level-seed", "")
+    props.setProperty("level-type", "minecraft:normal")
+    props.setProperty("motd", "A server for a dummy")
+  }
 }