proper bootstrap codes

src/net/torvald/terrarum/CreditSingleton.kt

@@ -1,5 +1,6 @@
 package net.torvald.terrarum
 
+import com.badlogic.gdx.Gdx
 import net.torvald.unicode.BULLET
 import net.torvald.unicode.ENDASH
 
@@ -223,6 +224,22 @@ Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
 """).split('\n')
 
 
+    private val javaVersion = System.getProperty("java.version")
+    private val osName = App.OSName
+    private val osVersion = App.OSVersion
+    private val sysArch = App.systemArch
+    private val processor = App.processor
+    private val processorVendor = App.processorVendor
+    private val glinfo = Gdx.graphics.glVersion.debugVersionString
+
+    val systeminfo: List<String>; get() = """
+JRE Version: $javaVersion
+Operation System: $osName $osVersion
+Architecture: $sysArch
+Processor: $processor ($processorVendor)
+GL Info: $glinfo
+""".split('\n')
+
 
     val gpl3: List<String>; get() = """                    GNU GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007

src/net/torvald/terrarum/Principii.java

@@ -64,16 +64,33 @@ public class Principii {
         String extracmd = devMode ? " -ea" : "";
         String OS = OSName.toUpperCase();
         String CPUARCH = System.getProperty("os.arch").toUpperCase();
+        String runtimeRoot;
+        String runtimeArch;
+        if (!CPUARCH.equals("AMD64") && !CPUARCH.equals("AARCH64")) {
+            System.err.println("Unsupported CPU architecture: " + CPUARCH);
+            System.exit(1);
+            return;
+        }
+        else {
+            runtimeArch = CPUARCH.equals("AMD64") ? "x86" : "arm";
+        }
+
         if (OS.contains("WIN")) {
-            // reserved for future use
+            runtimeRoot = "runtime-windows-" + runtimeArch;
         }
         else if (OS.contains("OS X") || OS.contains("MACOS")) { // OpenJDK for mac will still report "Mac OS X" with version number "10.16", even on Big Sur and beyond
+            runtimeRoot = "runtime-osx-" + runtimeArch;
             extracmd += " -XstartOnFirstThread";
         }
         else {
+            runtimeRoot = "runtime-linux-" + runtimeArch;
             extracmd += " -Dswing.aatext=true -Dawt.useSystemAAFontSettings=lcd";
         }
 
+        String runtime = new File("out/"+runtimeRoot+"/bin/java").getAbsolutePath();
+        System.out.println("Runtime path: "+runtime);
+
+
 
         getDefaultDirRoot();
         configDir = defaultDir + "/config.json";
@@ -84,40 +101,13 @@ public class Principii {
 
         int xmx = getConfigInt("jvm_xmx");
 
-        String runtime = new File("./out/runtime-osx-x86/bin/java").getAbsolutePath();
 
-        System.out.println("Runtime path: "+runtime);
 
         try {
-            Process proc = Runtime.getRuntime().exec(runtime+extracmd+" -Xms1G -Xmx"+xmx+"G -cp ./out/TerrarumBuild.jar net.torvald.terrarum.App");
-
-            Thread tp = new Thread(() -> {
-                String p = null;
-                while (proc.isAlive()) {
-                    try {
-                        p = proc.inputReader().readLine();
-                    }
-                    catch (IOException ignored) {
-                    }
-                    if (p != null) System.out.println(p);
-                }
-            });
-            Thread te = new Thread(() -> {
-                String e = null;
-                while (proc.isAlive()) {
-                    try {
-                        e = proc.errorReader().readLine();
-                    }
-                    catch (IOException ignored) {
-                    }
-                    if (e != null) System.err.println(e);
-                }
-            });
-
-            tp.start();
-            te.start();
-
-            System.exit(proc.waitFor());
+            String[] cmd = (runtime+extracmd+" -Xms1G -Xmx"+xmx+"G -cp ./out/TerrarumBuild.jar net.torvald.terrarum.App").split(" ");
+            ProcessBuilder pb = new ProcessBuilder(cmd);
+            pb.inheritIO();
+            System.exit(pb.start().waitFor());
         }
         catch (IOException e) {
             e.printStackTrace();

src/net/torvald/terrarum/modulebasegame/ui/UITitleRemoConYaml.kt

@@ -26,6 +26,7 @@ object UITitleRemoConYaml {
 - MENU_LABEL_CREDITS
  - MENU_LABEL_COPYRIGHT : net.torvald.terrarum.modulebasegame.ui.UITitleCredits
  - MENU_CREDIT_GPL_DNT : net.torvald.terrarum.modulebasegame.ui.UITitleGPL3
+ - MENU_LABEL_SYSTEM_INFO : net.torvald.terrarum.modulebasegame.ui.UISystemInfo
  - MENU_LABEL_RETURN
 - MENU_LABEL_QUIT
 """

src/net/torvald/terrarum/modulebasegame/ui/UITitleWallOfText.kt

@@ -43,4 +43,5 @@ open class UITitleWallOfText(private val text: List<String>) : UICanvas() {
 }
 
 class UITitleCredits(val remoCon: UIRemoCon) : UITitleWallOfText(CreditSingleton.credit)
-class UITitleGPL3(val remoCon: UIRemoCon) : UITitleWallOfText(CreditSingleton.gpl3)
+class UITitleGPL3(val remoCon: UIRemoCon) : UITitleWallOfText(CreditSingleton.gpl3)
+class UISystemInfo(val remoCon: UIRemoCon) : UITitleWallOfText(CreditSingleton.systeminfo)