Add check for when the session state doesn't actually change

(Again)

.gitignore

@@ -1,4 +1,5 @@
 libpxc.so
+dependency-reduced-pom.xml
 
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.

VirtualComputer-Core/pom.xml

@@ -1,10 +1,15 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<groupId>io.github.NorbiPeti</groupId>
-	<artifactId>VirtualComputer</artifactId>
-	<version>2.0-SNAPSHOT</version>
+	<artifactId>VirtualComputer-Core</artifactId>
+	<version>2.1-SNAPSHOT</version>
+	<parent>
+		<groupId>io.github.NorbiPeti</groupId>
+		<artifactId>VirtualComputer</artifactId>
+		<version>2.1-SNAPSHOT</version>
+	</parent>
 	<build>
+		<finalName>VirtualComputer</finalName>
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
@@ -20,7 +25,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-shade-plugin</artifactId>
-				<version>2.4.2</version>
+				<version>3.2.4</version>
 				<executions>
 					<execution>
 						<phase>package</phase>
@@ -32,68 +37,34 @@
 					</execution>
 				</executions>
 			</plugin>
-		</plugins>
+        </plugins>
 	</build>
-	<repositories>
-		<repository>
-			<id>spigot-repo</id>
-			<url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
-		</repository>
-		<repository>
-			<id>repo</id>
-			<url>file://${basedir}/repo</url>
-		</repository>
-	</repositories>
 	<dependencies>
-		<dependency>
-			<groupId>org.spigotmc</groupId>
-			<artifactId>spigot-api</artifactId>
-			<version>1.12-R0.1-SNAPSHOT</version>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
+		<dependency> <!-- This has the least additional (platform-dependent) code -->
 			<groupId>org.virtualbox</groupId>
-			<artifactId>VirtualBox</artifactId>
-			<version>6.0</version>
-		</dependency>
-		<dependency>
-            <groupId>org.virtualbox</groupId>
-            <artifactId>VirtualBox-MSCOM</artifactId>
-            <version>6.0</version>
-        </dependency>
-        <dependency>
-            <groupId>org.bukkit</groupId>
-            <artifactId>craftbukkit</artifactId>
-            <version>1.12.2-R0.1-SNAPSHOT</version>
-            <scope>provided</scope>
-        </dependency>
-		<!-- https://mvnrepository.com/artifact/net.java.dev.jna/jna -->
-		<dependency>
-			<groupId>net.java.dev.jna</groupId>
-			<artifactId>jna</artifactId>
-			<version>4.4.0</version>
-		</dependency>
-		<!-- https://mvnrepository.com/artifact/com.github.jnr/jnr-ffi -->
-		<dependency>
-			<groupId>com.github.jnr</groupId>
-			<artifactId>jnr-ffi</artifactId>
-			<version>2.1.7</version>
+			<artifactId>VirtualBox-MSCOM</artifactId>
+			<version>6.1</version>
 		</dependency>
 		<dependency>
 			<groupId>com.aparapi</groupId>
 			<artifactId>aparapi</artifactId>
-			<version>1.10.0</version>
+			<version>2.0.0</version>
 		</dependency>
 		<dependency>
-			<groupId>org.projectlombok</groupId>
-			<artifactId>lombok</artifactId>
-			<version>1.16.16</version>
+			<groupId>io.github.NorbiPeti</groupId>
+			<artifactId>VirtualComputer-XPCOM</artifactId>
+			<version>2.1-SNAPSHOT</version>
 		</dependency>
-		<dependency> <!-- javax.annotations.Nullable -->
-			<groupId>com.google.code.findbugs</groupId>
-			<artifactId>jsr305</artifactId>
-			<version>3.0.0</version>
+		<dependency>
+			<groupId>io.github.NorbiPeti</groupId>
+			<artifactId>VirtualComputer-MSCOM</artifactId>
+			<version>2.1-SNAPSHOT</version>
 		</dependency>
+		<!-- <dependency>
+			<groupId>me.lucko</groupId>
+			<artifactId>commodore</artifactId>
+			<version>1.8</version>
+		</dependency> -->
 	</dependencies>
     <profiles>
 		<profile>
@@ -112,8 +83,26 @@
                                     <artifactSet>
                                         <excludes>
                                             <exclude>org.virtualbox:VirtualBox-MSCOM</exclude>
+											<exclude>io.github.NorbiPeti:VirtualComputer-MSCOM</exclude>
                                         </excludes>
                                     </artifactSet>
+									<!-- <minimizeJar>true</minimizeJar> -->
+									<filters>
+										<filter>
+											<artifact>io.github.NorbiPeti:VirtualComputer-XPCOM</artifact>
+											<includes>
+												<include>**
+												</include> <!-- Don't delete org.mozilla.interfaces.internal when minimizing -->
+											</includes>
+										</filter>
+										<filter>
+											<artifact>com.github.jnr:jnr-ffi</artifact>
+											<includes>
+												<include>**
+												</include> <!-- Don't delete org.mozilla.interfaces.internal when minimizing -->
+											</includes>
+										</filter>
+									</filters>
                                 </configuration>
                             </execution>
                         </executions>
@@ -137,6 +126,7 @@
                                     <artifactSet>
                                         <excludes>
                                             <exclude>org.virtualbox:VirtualBox</exclude>
+											<exclude>io.github.NorbiPeti:VirtualComputer-XPCOM</exclude>
                                         </excludes>
                                     </artifactSet>
                                 </configuration>

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/Computer.java

@@ -0,0 +1,393 @@
+package sznp.virtualcomputer;
+
+import com.google.common.collect.Lists;
+import lombok.Getter;
+import lombok.val;
+import lombok.var;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.virtualbox_6_1.*;
+import sznp.virtualcomputer.events.MachineEventHandler;
+import sznp.virtualcomputer.events.VBoxEventHandler;
+import sznp.virtualcomputer.renderer.GPURenderer;
+import sznp.virtualcomputer.renderer.MCFrameBuffer;
+import sznp.virtualcomputer.util.COMUtils;
+import sznp.virtualcomputer.util.Scancode;
+
+import javax.annotation.Nullable;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.stream.Collectors;
+
+public final class Computer {
+	@Getter
+	private static Computer instance;
+
+	private final PluginMain plugin;
+	private ISession session;
+	private final IVirtualBox vbox;
+	private IMachine machine;
+	private MachineEventHandler handler;
+	private IEventListener listener;
+	private final VirtualBoxManager manager;
+	private MCFrameBuffer framebuffer;
+	private final boolean direct;
+	private final boolean embedded;
+
+	public Computer(PluginMain plugin, VirtualBoxManager manager, IVirtualBox vbox, boolean direct, boolean embedded) {
+		this.plugin = plugin;
+		this.manager = manager;
+		session = manager.getSessionObject();
+		this.vbox = vbox;
+		this.direct = direct;
+		this.embedded = embedded;
+		if (instance != null) throw new IllegalStateException("A computer already exists!");
+		instance = this;
+	}
+
+	public void Start(CommandSender sender, int index) {// TODO: Add touchscreen support (#2)
+		if (session.getState() == SessionState.Locked) {
+			sender.sendMessage("§cThe machine is already running!");
+			return;
+		}
+		Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+			if (index < 0 || vbox.getMachines().size() <= index) {
+				sendMessage(sender, "§cMachine not found!");
+				return;
+			}
+			try {
+				sendMessage(sender, "§eStarting computer...");
+				machine = vbox.getMachines().get(index);
+				if (!machine.getAccessible()) {
+					sendMessage(sender, "§cMachine is not accessible! " + machine.getAccessError().getText());
+					return;
+				}
+				session.setName("minecraft");
+				VBoxEventHandler.getInstance().setup(machine.getId(), sender); //TODO: Sometimes null
+				synchronized (this) {
+					if (embedded)
+						machine.lockMachine(session, LockType.VM); //Run in our process <-- Need the VM type to have console access
+					else {
+						val progress = machine.launchVMProcess(session, "headless", Collections.emptyList()); //Run in a separate process
+						onStartSetProgress(progress, sender);
+					}
+				}
+			} catch (VBoxException e) {
+				if (e.getResultCode() == 0x80070005) { //lockMachine: "The object functionality is limited"
+					sendMessage(sender, "§6Cannot start computer, the machine may be inaccessible");
+					sendMessage(sender, "§6Make sure that the server is running as root (sudo)");
+					//TODO: If we have VirtualBox open, it won't close the server's port
+					//TODO: "The object in question already exists." on second start
+				} else {
+					sendMessage(sender, "§cFailed to start computer: " + e.getMessage());
+				}
+			}
+		});
+	}
+
+	public void List(CommandSender sender) {
+		sender.sendMessage("§bAvailable machines:");
+		val machines = vbox.getMachines();
+		for (int i = 0; i < machines.size(); i++) {
+			val m = machines.get(i);
+			if (m.getAccessible())
+				sender.sendMessage("[" + i + "] " + m.getName() + " - " + m.getState());
+			else
+				sender.sendMessage("[" + i + "] <Inaccessible, check VirtualBox>");
+		}
+	}
+
+	/**
+	 * Gets called when the machine is locked after {@link #Start(CommandSender, int)}
+	 *
+	 * @param sender The sender which started the machine
+	 */
+	public void onLock(CommandSender sender) {
+		System.out.println("A");
+		if (session.getState() != SessionState.Locked) {
+			sendMessage(sender, "§cFailed to start computer! Failed to lock session");
+			return;
+		}
+		machine = session.getMachine(); // This is the Machine object we can work with
+		final IConsole console = session.getConsole();
+		if (embedded) { //Otherwise it's set while starting the VM
+			IProgress progress = console.powerUp(); // https://marc.info/?l=vbox-dev&m=142780789819967&w=2
+			onStartSetProgress(progress, sender);
+		}
+		System.out.println("B");
+		System.out.println("State: " + console.getState());
+		listener = handler.registerTo(console.getEventSource());
+		System.out.println("State: " + console.getState());
+		val fb = new MCFrameBuffer(console.getDisplay(), plugin, embedded, direct);
+		System.out.println("C");
+		if (embedded)
+			fb.startEmbedded();
+		String fbid = console.getDisplay().attachFramebuffer(0L,
+				COMUtils.gimmeAFramebuffer(fb));
+		System.out.println("State: " + console.getState());
+		System.out.println("D"); //TODO: No UpdateImage
+		fb.setId(fbid);
+		framebuffer = fb;
+	}
+
+	private void onStartSetProgress(IProgress progress, CommandSender sender) {
+		if (handler != null)
+			handler.disable();
+		handler = new MachineEventHandler(Computer.this, sender);
+		handler.setProgress(progress);
+		handler.registerTo(progress.getEventSource()); //TODO: Show progress bar some way?
+	}
+
+	private void sendMessage(@Nullable CommandSender sender, String message) {
+		if (sender != null)
+			sender.sendMessage(message);
+		plugin.getLogger().warning((sender == null ? "" : sender.getName() + ": ") + ChatColor.stripColor(message));
+	}
+
+	public void Stop(CommandSender sender) {
+		if (checkMachineNotRunning(sender)) {
+			if (session.getState().equals(SessionState.Locked)) {
+				onMachineStop(sender); //Needed for session reset
+				sendMessage(sender, "§eComputer was already off, released it.");
+			}
+			return;
+		}
+		sendMessage(sender, "§eStopping computer...");
+		synchronized (this) {
+			session.getConsole().powerDown();
+		}
+	}
+
+	public void PowerButton(CommandSender sender, int index) {
+		sendMessage(sender, "§ePressing powerbutton...");
+		Bukkit.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
+			if (session.getState() != SessionState.Locked || session.getMachine() == null) {
+				Start(sender, index);
+			} else {
+				synchronized (this) {
+					session.getConsole().powerButton();
+				}
+				sendMessage(sender, "§ePowerbutton pressed.");
+			}
+		});
+	}
+
+	public void Reset(CommandSender sender) {
+		if (checkMachineNotRunning(sender))
+			return;
+		sendMessage(sender, "§eResetting computer...");
+		synchronized (this) {
+			session.getConsole().reset();
+		}
+		sendMessage(sender, "§eComputer reset.");
+	}
+
+	public void SaveState(CommandSender sender) {
+		if (checkMachineNotRunning(sender))
+			return;
+		sendMessage(sender, "§eSaving computer state...");
+		synchronized (this) {
+			session.getMachine().saveState();
+		}
+	}
+
+	public void FixScreen(CommandSender sender) {
+		if (checkMachineNotRunning(sender))
+			return;
+		if (framebuffer == null) {
+			sender.sendMessage("§cFramebuffer is null...");
+			return;
+		}
+		sendMessage(sender, "§eFixing screen...");
+		try {
+			synchronized (this) {
+				session.getConsole().getDisplay().setVideoModeHint(0L, true, false, 0, 0, 640L, 480L, 32L, false);
+			} //Last param: notify - send PnP notification - stops updates but not changes for some reason
+			Bukkit.getScheduler().runTaskLaterAsynchronously(PluginMain.Instance, () -> {
+				synchronized (this) {
+					session.getConsole().getMouse().putMouseEventAbsolute(-1, -1, 0, 0, 0);
+					session.getConsole().getMouse().putMouseEvent(0, 0, 0, 0, 0); //Switch to relative mode
+					sendMessage(sender, "§eScreen fixed.");
+				}
+			}, 20);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
+	private boolean checkMachineNotRunning(@Nullable CommandSender sender) {
+		if (session.getState() != SessionState.Locked || machine.getState() != MachineState.Running) {
+			if (sender != null)
+				sender.sendMessage("§cMachine isn't running.");
+			return true;
+		}
+		return false;
+	}
+
+	public void PressKey(CommandSender sender, String key, String stateorduration) {
+		if (checkMachineNotRunning(sender))
+			return;
+		int durationorstate;
+		if (stateorduration.length() == 0)
+			durationorstate = 0;
+		else if (stateorduration.equalsIgnoreCase("down"))
+			durationorstate = -1;
+		else if (stateorduration.equalsIgnoreCase("up"))
+			durationorstate = -2;
+		else
+			durationorstate = Short.parseShort(stateorduration);
+		int code = Scancode.getCode("sc_" + key.toLowerCase());
+		if (code == -1) {
+			sender.sendMessage("§cUnknown key: " + key);
+			return;
+		}
+		// Release key scan code concept taken from VirtualBox source code (KeyboardImpl.cpp:putCAD())
+		// +128
+		synchronized (this) {
+			if (durationorstate != -2)
+				session.getConsole().getKeyboard().putScancode(code);
+			Runnable sendrelease = () -> session.getConsole().getKeyboard().putScancodes(Lists.newArrayList(code + 128,
+					Scancode.sc_controlLeft.Code + 128, Scancode.sc_shiftLeft.Code + 128, Scancode.sc_altLeft.Code + 128));
+			if (durationorstate == 0 || durationorstate == -2)
+				sendrelease.run();
+			if (durationorstate > 0) {
+				Bukkit.getScheduler().runTaskLaterAsynchronously(plugin, sendrelease, durationorstate * 20);
+			}
+		}
+	}
+
+	public void UpdateMouse(CommandSender sender, int x, int y, int z, int w, String mbs, boolean down) throws Exception {
+		if (checkMachineNotRunning(sender))
+			return;
+		int state = 0;
+		if (mbs.length() > 0 && down)
+			state = Arrays.stream(MouseButtonState.values()).filter(mousebs -> mousebs.name().equalsIgnoreCase(mbs))
+					.findAny().orElseThrow(() -> new Exception("Unknown mouse button")).value();
+		synchronized (this) {
+			session.getConsole().getMouse().putMouseEvent(x, y, z, w, state);
+		}
+	}
+
+	public void UpdateMouse(CommandSender sender, int x, int y, int z, int w, String mbs) throws Exception {
+		if (checkMachineNotRunning(sender))
+			return;
+		UpdateMouse(sender, x, y, z, w, mbs, true);
+		UpdateMouse(sender, x, y, z, w, mbs, false);
+	}
+
+	public void Status(CommandSender sender) {
+		switch (session.getState()) {
+			case Spawning:
+				sender.sendMessage("§bThe computer session is currently starting.");
+				break;
+			case Unlocking:
+				sender.sendMessage("§bThe computer session is currently stopping.");
+				break;
+			case Unlocked:
+				sender.sendMessage("§bThe computer is currently powered off. Use /c start to start it.");
+				break;
+			case Null:
+				sender.sendMessage("§bUnknown state! Try /c stop if the machine isn't running.");
+				break;
+			case Locked:
+				sender.sendMessage("§bThe computer session is active.");
+				break;
+		}
+		if (machine == null)
+			return;
+		switch (machine.getState()) {
+			case Aborted:
+				sender.sendMessage("§bThe computer is powered off. It was unexpectedly shut down last time.");
+				return;
+			case Paused:
+				sender.sendMessage("§bThe machine is currently paused.");
+				return;
+			case PoweredOff:
+				sender.sendMessage("§bThe computer is currently powered off.");
+				return;
+			case Restoring:
+				sender.sendMessage("§bThe computer is restoring a saved state. This can take a while...");
+				return;
+			case Running:
+				sender.sendMessage("§bThe computer is currently running.");
+				return;
+			case Saving:
+				sender.sendMessage("§bThe computer is saving the current state. This can take a while...");
+				return;
+			case Saved:
+				sender.sendMessage("§bThe computer is powered off. It has a saved state it will load on start.");
+				return;
+			case Starting:
+				sender.sendMessage("§bThe computer is currently starting...");
+				return;
+			case Stopping:
+				sender.sendMessage("§bThe computer is currently stopping...");
+				return;
+			case SettingUp:
+				sender.sendMessage("§bThe computer is setting up...");
+				break;
+			case Stuck:
+				sender.sendMessage("§bThe computer is stuck. Use /c stop.");
+				break;
+		}
+		if (session.getState() == SessionState.Locked) {
+			if (machine.getState() == MachineState.Running) {
+				var con = session.getConsole();
+				Holder<Long> w = new Holder<>(), h = new Holder<>(), bpp = new Holder<>();
+				Holder<Integer> xo = new Holder<>(), yo = new Holder<>();
+				var gms = new Holder<GuestMonitorStatus>();
+				con.getDisplay().getScreenResolution(0L, w, h, bpp, xo, yo, gms);
+				sender.sendMessage("§bScreen info: " + w.value + "x" + h.value + " (" + bpp.value + ") at " + xo.value + " " + yo.value + " - " + gms.value);
+				sender.sendMessage("§bKeyboard LEDs: " + con.getKeyboard().getKeyboardLEDs().stream().map(Enum::toString).collect(Collectors.joining(", ")));
+			} else if (machine.getState().value() < MachineState.FirstOnline.value()
+					|| machine.getState().value() > MachineState.LastOnline.value())
+				sender.sendMessage("§bUse /c stop to fix the computer.");
+		}
+	}
+
+	public void onMachineStart(CommandSender sender) {
+		sendMessage(sender, "§eComputer started.");
+	}
+
+	public void onMachineStop(CommandSender sender) {
+		Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+			if (session.getState() == SessionState.Locked) {
+				synchronized (this) {
+					session.unlockMachine(); //Needs to be outside of the event handler
+				}
+				handler = null;
+				machine = null;
+				session = manager.getSessionObject();
+				sendMessage(sender, "§eComputer powered off."); //This block runs later
+			}
+		});
+		GPURenderer.update(new byte[1], 0, 0, 0, 0, 640, 480); //Black screen
+		stopEvents();
+		MouseLockerPlayerListener.computerStop();
+		if (framebuffer != null)
+			framebuffer.stop();
+	}
+
+	private void stopEvents() {
+        /*if(session!=null && listener!=null)
+            session.getConsole().getEventSource().unregisterListener(listener);*/
+		if (listener != null)
+			handler.disable();
+		listener = null;
+	}
+
+	public void pluginDisable(CommandSender ccs) {
+		stopEvents();
+		if (framebuffer != null)
+			framebuffer.stop();
+		if (session.getState() == SessionState.Locked) {
+			if (session.getMachine().getState().equals(MachineState.Running)) {
+				ccs.sendMessage("§aSaving machine state...");
+				session.getMachine().saveState().waitForCompletion(10000);
+			}
+			session.unlockMachine();
+		}
+		instance = null; //Allow setting it again
+	}
+}

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/ComputerCommand.java

@@ -0,0 +1,248 @@
+package sznp.virtualcomputer;
+
+import buttondevteam.lib.chat.Command2;
+import buttondevteam.lib.chat.CommandClass;
+import buttondevteam.lib.chat.CustomTabComplete;
+import buttondevteam.lib.chat.ICommand2MC;
+import lombok.var;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.ClickEvent;
+import net.md_5.bungee.api.chat.TextComponent;
+import org.bukkit.Material;
+import org.bukkit.command.CommandSender;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.entity.ItemFrame;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.MapMeta;
+import org.virtualbox_6_1.VBoxException;
+
+import javax.annotation.Nullable;
+import java.io.File;
+import java.util.Objects;
+
+@CommandClass(helpText = {
+		"Computer plugin",
+		"§bTo see the computer's status do /c status",
+		"§bTo see the available machines do /c list",
+		"§bTo start one of them do /c start <index>",
+		"§bYou can only have one machine running at a time."
+}, permGroup = "computer")
+public class ComputerCommand extends ICommand2MC {
+	@Command2.Subcommand
+	public void status(CommandSender sender) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().Status(sender);
+	}
+
+	@Command2.Subcommand(aliases = {"poweron", "on"}, helpText = {
+			"Start",
+			"Starts the given virtual machine or the first one by default.",
+			"Use /c list to see the index of the machines."
+	})
+	public void start(CommandSender sender, @Command2.OptionalArg int index) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().Start(sender, index);
+	}
+
+	@Command2.Subcommand
+	public void list(CommandSender sender) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().List(sender);
+	}
+
+	@Command2.Subcommand(aliases = {"poweroff", "off", "kill"})
+	public void stop(CommandSender sender) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().Stop(sender);
+	}
+
+	@Command2.Subcommand(aliases = {"powerbtn", "pwrbtn"})
+	public void powerbutton(CommandSender sender, @Command2.OptionalArg int index) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().PowerButton(sender, index);
+	}
+
+	@Command2.Subcommand(aliases = "restart")
+	public void reset(CommandSender sender) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().Reset(sender);
+	}
+
+	@Command2.Subcommand(aliases = "save state")
+	public void save(CommandSender sender) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().SaveState(sender);
+	}
+
+	@Command2.Subcommand(aliases = "fix screen")
+	public void fix(CommandSender sender) {
+		if (checkDisabled(sender)) return;
+		Computer.getInstance().FixScreen(sender);
+	}
+
+	@Command2.Subcommand(aliases = {"press", "presskey", "keypress"}, helpText = {
+			"Press key",
+			"Presses the specified key. Valid values for the last param are 'down', 'up' and amount of ticks to hold."
+	})
+	public void key(CommandSender sender, String key, @Command2.OptionalArg String stateorduration) {
+		if (checkDisabled(sender)) return;
+		if (stateorduration == null) stateorduration = "";
+		Computer.getInstance().PressKey(sender, key, stateorduration);
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Mouse event",
+			"Move the mouse by the specified offset or press the given button."
+	})
+	public void mouse(CommandSender sender, String keyOrX, @Command2.OptionalArg int y, @Command2.OptionalArg int z, @Command2.OptionalArg int w) {
+		if (checkDisabled(sender)) return;
+		try {
+			if (y != 0 || z != 0 || w != 0) {
+				int x = Integer.parseInt(keyOrX);
+				Computer.getInstance().UpdateMouse(sender, x, y, z, w, "");
+			} else
+				Computer.getInstance().UpdateMouse(sender, 0, 0, 0, 0, keyOrX);
+		} catch (VBoxException e) {
+			throw e;
+		} catch (Exception ignored) {
+		}
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Show keyboard",
+			"Displays a keyboard in chat that you can click on.",
+			"Each keypress is actually a command so they will be logged by the server."
+	})
+	public void show_keyboard(CommandSender sender) {
+		sender.sendMessage("§6Avoid entering sensitive info here unless you own the server");
+		var cc = new TextComponent();
+		for (int i = 0; i < 10; i++)
+			cc.addExtra(keyComp(i + "", null));
+		var row = new String[]{"Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P"};
+		for (String s : row) cc.addExtra(keyComp(s, null));
+		cc.addExtra(keyComp("-", "minus"));
+		cc.addExtra(keyComp("=", "equals"));
+		cc.addExtra(keyComp("Backspace", "backspace"));
+		cc.addExtra(keyComp("Tab", "tab"));
+		sender.spigot().sendMessage(cc);
+
+		cc = new TextComponent();
+		row = new String[]{"A", "S", "D", "F", "G", "H", "J", "K", "L"};
+		for (String s : row) cc.addExtra(keyComp(s, null)); //TODO: File format for layouts
+
+		cc.addExtra(keyComp("{", "bracketLeft"));
+		cc.addExtra(keyComp("}", "bracketRight"));
+
+		sender.spigot().sendMessage(cc);
+	}
+
+	private TextComponent keyComp(String name, @Nullable String code) {
+		if (code == null) code = name;
+		var tc = new TextComponent("[" + name + "] ");
+		tc.setColor(ChatColor.AQUA);
+		tc.setClickEvent(new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/c key " + code));
+		return tc;
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Lock mouse",
+			"Locks the mouse to where you're looking. If you move your mouse, the computer's mouse will be moved."
+	})
+	public void lock_mouse(Player player) {
+		if (checkDisabled(player)) return;
+		MouseLockerPlayerListener.toggleLock(player);
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Set mouse speed",
+			"Sets the mouse speed when locked. The default is 5."
+	})
+	public void lock_speed(CommandSender sender, float speed) {
+		if (checkDisabled(sender)) return;
+		MouseLockerPlayerListener.LockedSpeed = speed;
+		sender.sendMessage("§aMouse speed set to " + MouseLockerPlayerListener.LockedSpeed);
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Spawn screen",
+			"Spawns a computer screen near you. All of them show the same thing."
+	})
+	public void spawn(Player player) {
+		if (checkDisabled(player)) return;
+		var loc = player.getLocation();
+		var world = Objects.requireNonNull(loc.getWorld());
+		short id = PluginMain.Instance.startID.get();
+		for (int j = PluginMain.MCY - 1; j >= 0; j--) {
+			for (int i = 0; i < PluginMain.MCX; i++) {
+				var block = world.getBlockAt(loc.getBlockX() + i, loc.getBlockY() + j, loc.getBlockZ());
+				block.setType(Material.BLACK_WOOL);
+				var frameLoc = block.getLocation().add(0, 0, 1);
+				var map = new ItemStack(Material.FILLED_MAP, 1);
+				var meta = ((MapMeta) map.getItemMeta());
+				if (meta == null) throw new NullPointerException("Map meta is null for " + frameLoc);
+				meta.setMapId(id++);
+				map.setItemMeta(meta);
+				world.spawn(frameLoc, ItemFrame.class).setItem(map);
+			}
+		}
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Set layout",
+			"This command sets the keyboard layout used for /c show keyboard.",
+			"Valid options are files in the layouts folder in the plugin's directory."
+	})
+	public void set_layout(CommandSender sender, String layout) {
+		var lf = PluginMain.Instance.layoutFolder;
+		if (!lf.mkdirs()) {
+			sender.sendMessage("§cFailed to create layouts folder!");
+			return;
+		}
+		var l = new File(lf, layout + ".yml");
+		if (!l.exists()) {
+			sender.sendMessage("§cThe file " + l + " does not exist.");
+			return;
+		}
+		var yc = YamlConfiguration.loadConfiguration(l);
+		var list = yc.getList("keyboard");
+		if (list == null) {
+			sender.sendMessage("§cThe 'keyboard' key is missing.");
+			return;
+		}
+		for (var item : list) {
+			System.out.println("item: " + item);
+		}
+	}
+
+	@Command2.Subcommand(helpText = {
+			"Plugin enable/disable",
+			"Use this command to enable or disable the plugin.",
+			"This can be useful to save resources if it is unused."
+	})
+	public boolean plugin(CommandSender sender, @CustomTabComplete({"enable", "disable"}) String enableDisable) {
+		switch (enableDisable) {
+			case "enable":
+				sender.sendMessage("§bEnabling plugin...");
+				PluginMain.Instance.reloadConfig();
+				PluginMain.Instance.pluginEnableInternal();
+				sender.sendMessage("§bPlugin enabled! More info on console.");
+				break;
+			case "disable":
+				sender.sendMessage("§aDisabling plugin...");
+				PluginMain.Instance.pluginDisableInternal();
+				sender.sendMessage("§aPlugin disabled! More info on console.");
+				break;
+			default:
+				return false;
+		}
+		return true;
+	}
+
+	private boolean checkDisabled(CommandSender sender) {
+		boolean disabled = !PluginMain.isPluginEnabled();
+		if (disabled)
+			sender.sendMessage("The plugin is currently disabled. Do /c plugin enable to enable it.");
+		return disabled;
+	}
+}

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/PluginMain.java

@@ -0,0 +1,193 @@
+package sznp.virtualcomputer;
+
+import buttondevteam.lib.architecture.ButtonPlugin;
+import buttondevteam.lib.architecture.ConfigData;
+import jnr.ffi.LibraryLoader;
+import lombok.Getter;
+import lombok.val;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.scheduler.BukkitTask;
+import org.virtualbox_6_1.IVirtualBox;
+import org.virtualbox_6_1.VirtualBoxManager;
+import sznp.virtualcomputer.events.VBoxEventHandler;
+import sznp.virtualcomputer.renderer.BukkitRenderer;
+import sznp.virtualcomputer.renderer.GPURenderer;
+import sznp.virtualcomputer.util.Utils;
+import sznp.virtualcomputer.util.VBoxLib;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.function.Predicate;
+
+public class PluginMain extends ButtonPlugin {
+	public static final int MCX = 5;
+	public static final int MCY = 4;
+	private BukkitTask mousetask;
+	private VBoxEventHandler listener;
+	private VirtualBoxManager manager;
+
+	public static PluginMain Instance;
+	@Getter
+	private static boolean pluginEnabled; //The Bukkit plugin has to be enabled for the enable command to work
+
+	/**
+	 * The first map ID to use for the screen.
+	 * The maps with IDs in the range startID -> startID+19 will be temporarily replaced with the screen.
+	 */
+	public final ConfigData<Short> startID = getIConfig().getData("startID", (short) 0);
+	/**
+	 * If true, uses the GPU to accelerate screen rendering. May require root on Linux.
+	 */
+	private final ConfigData<Boolean> useGPU = getIConfig().getData("useGPU", true);
+	/**
+	 * The virtual machine will be hosted inside the server process if this option is enabled.
+	 * This can improve performance but may cause stability and other issues.
+	 */
+	public final ConfigData<Boolean> runEmbedded = getIConfig().getData("runEmbedded", true);
+	/**
+	 * Determines the keyboard layout to use for /c show keyboard. Layouts can be defined in VirtualComputer/layouts/.
+	 */
+	private final ConfigData<String> kbLayout = getIConfig().getData("kbLayout", "en");
+	public File layoutFolder = new File(getDataFolder(), "layouts");
+	/**
+	 * When set to false, the plugin will not initialize on server startup and its only valid command will be /c plugin enable.
+	 * This can be useful to save resources as the plugin keeps the VirtualBox interface running while enabled.
+	 */
+	private final ConfigData<Boolean> autoEnable = getIConfig().getData("autoEnable", true);
+	/**
+	 * The amount of rows to update if the slower, Bukkit renderer is being used.
+	 */
+	private final ConfigData<Integer> updateRows = getIConfig().getData("updateRows", 15, o -> (int) o, i -> BukkitRenderer.updatepixels = i);
+	/**
+	 * Experimental. Whether all of the image data should be sent even on small changes. Defaults to true.
+	 */
+	private final ConfigData<Boolean> sendAll = getIConfig().getData("sendAll", true);
+
+	@Override
+	public void pluginEnable() {
+		registerCommand(new ComputerCommand());
+		Instance = this;
+		if (autoEnable.get())
+			pluginEnableInternal();
+		else
+			getLogger().info("Auto-enable is disabled. Enable with /c plugin enable.");
+	}
+
+	void pluginEnableInternal() {
+		if (pluginEnabled)
+			return;
+		pluginEnabled = true;
+		try {
+			ConsoleCommandSender ccs = getServer().getConsoleSender();
+			ccs.sendMessage("§bInitializing VirtualBox...");
+			String osname = System.getProperty("os.name").toLowerCase();
+			final boolean windows;
+			String vbpath;
+			{
+				boolean win = false;
+				vbpath = osname.contains("mac")
+						? "/Applications/VirtualBox.app/Contents/MacOS"
+						: (win = osname.contains("windows"))
+						? "C:\\Program Files\\Oracle\\VirtualBox"
+						: "/opt/virtualbox";
+				windows = win;
+			}
+			//noinspection ConstantConditions
+			Predicate<File> notGoodDir = ff -> !ff.isDirectory() || (!windows && Arrays.stream(ff.list()).noneMatch(s -> s.contains("xpcom")));
+			if (notGoodDir.test(new File(vbpath)))
+				vbpath = "/usr/lib/virtualbox";
+			if (notGoodDir.test(new File(vbpath)))
+				error("Could not find VirtualBox! Download from https://www.virtualbox.org/wiki/Downloads", null);
+			if (System.getProperty("vbox.home") == null || System.getProperty("vbox.home").isEmpty())
+				System.setProperty("vbox.home", vbpath);
+			if (System.getProperty("sun.boot.library.path") == null
+					|| System.getProperty("sun.boot.library.path").isEmpty())
+				System.setProperty("sun.boot.library.path", vbpath);
+			if (System.getProperty("java.library.path") == null || System.getProperty("java.library.path").isEmpty())
+				System.setProperty("java.library.path", vbpath);
+			Utils.addLibraryPath(vbpath); //TODO: Jacob DLL must be in the server folder
+			final VirtualBoxManager manager = VirtualBoxManager.createInstance(getDataFolder().getAbsolutePath());
+			if (!windows && runEmbedded.get()) {
+				VBoxLib vbl = LibraryLoader.create(VBoxLib.class).load("vboxjxpcom");
+				vbl.RTR3InitExe(0, "", 0);
+			}
+			IVirtualBox vbox = manager.getVBox();
+			(listener = new VBoxEventHandler()).registerTo(vbox.getEventSource());
+			this.manager = manager;
+			ccs.sendMessage("§bLoading Screen...");
+			boolean direct;
+			try {
+				if (useGPU.get()) {
+					setupDirectRendering(ccs);
+					direct = true;
+				} else {
+					setupBukkitRendering(ccs);
+					direct = false;
+				}
+			} catch (NoClassDefFoundError | Exception e) {
+				e.printStackTrace();
+				setupBukkitRendering(ccs);
+				direct = false;
+			}
+			new Computer(this, manager, vbox, direct, runEmbedded.get()); //Saves itself
+			ccs.sendMessage("§bLoaded!");
+			val mlpl = new MouseLockerPlayerListener();
+			mousetask = getServer().getScheduler().runTaskTimer(this, mlpl, 0, 0);
+			getServer().getPluginManager().registerEvents(mlpl, this);
+
+		} catch (final Exception e) {
+			error(null, e);
+		}
+	}
+
+	private void setupDirectRendering(CommandSender ccs) throws Exception {
+		for (short i = 0; i < MCX; i++)
+			for (short j = 0; j < MCY; j++)
+				new GPURenderer((short) (startID.get() + j * MCX + i), Bukkit.getWorlds().get(0), sendAll.get(), i, j);
+		ccs.sendMessage("§bUsing Direct Renderer, all good");
+	}
+
+	private void setupBukkitRendering(CommandSender ccs) {
+		for (short i = 0; i < MCX * MCY; i++)
+			new BukkitRenderer((short) (startID.get() + i), Bukkit.getWorlds().get(0), i * 128 * 128 * 4, getLogger());
+		ccs.sendMessage("§6Using Bukkit renderer");
+	}
+
+	private void error(String message, Exception e) { //Message OR exception
+		getLogger().severe("A fatal error occured, disabling plugin!");
+		Bukkit.getPluginManager().disablePlugin(this);
+		if (message != null)
+			throw new RuntimeException(message);
+		else
+			throw new RuntimeException(e);
+	}
+
+	@Override
+	public void pluginDisable() {
+		pluginDisableInternal();
+	}
+
+	void pluginDisableInternal() {
+		if (!pluginEnabled)
+			return;
+		pluginEnabled = false;
+		ConsoleCommandSender ccs = getServer().getConsoleSender();
+		if (mousetask != null)
+			mousetask.cancel();
+		/*try {
+			source.unregisterListener(listener);
+		} catch (VBoxException e) { //"Listener was never registered"
+			e.printStackTrace(); - VBox claims the listener was never registered (can double register as well)
+		}*/
+		if (listener != null)
+			listener.disable(); //The save progress wait locks with the event
+		if (Computer.getInstance() != null)
+			Computer.getInstance().pluginDisable(ccs);
+		ccs.sendMessage("§aHuh.");
+		saveConfig();
+		manager.cleanup();
+	}
+
+}

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/events/EventHandlerBase.java

@@ -2,12 +2,11 @@ package sznp.virtualcomputer.events;
 
 import lombok.val;
 import org.bukkit.Bukkit;
-import org.mozilla.interfaces.IEvent;
-import org.mozilla.interfaces.IEventListener;
-import org.virtualbox_6_0.IEventSource;
-import org.virtualbox_6_0.VBoxEventType;
-import sznp.virtualcomputer.util.COMObjectBase;
-import sznp.virtualcomputer.util.Utils;
+import org.virtualbox_6_1.IEvent;
+import org.virtualbox_6_1.IEventSource;
+import org.virtualbox_6_1.VBoxEventType;
+import sznp.virtualcomputer.util.COMUtils;
+import sznp.virtualcomputer.util.IEventHandler;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -17,31 +16,29 @@ import java.util.Map;
 /**
  * A Bukkit-like event system which calls the appropriate methods on an event.
  */
-public abstract class EventHandlerBase extends COMObjectBase implements IEventListener {
+public abstract class EventHandlerBase implements IEventHandler {
 	/**
 	 * The events to listen for. It will only look for these handlers.
 	 */
-	private final Map<VBoxEventType, Class<? extends org.virtualbox_6_0.IEvent>> eventMap;
+	private final Map<VBoxEventType, Class<? extends org.virtualbox_6_1.IEvent>> eventMap;
 	private boolean enabled = true;
 
-	protected EventHandlerBase(Map<VBoxEventType, Class<? extends org.virtualbox_6_0.IEvent>> eventMap) {
-		//this.eventMap = eventMap.entrySet().stream().collect(Collectors.toMap(e -> e.getKey().value(), Map.Entry::getValue));
+	protected EventHandlerBase(Map<VBoxEventType, Class<? extends org.virtualbox_6_1.IEvent>> eventMap) {
 		this.eventMap = eventMap;
 	}
 
 	@Override
 	public final void handleEvent(IEvent iEvent) {
-		//val cl=eventMap.get((int)iEvent.getType()); - We can afford to search through the events for this handler
 		if (!enabled)
 			return;
-		val kv = eventMap.entrySet().stream().filter(e -> e.getKey().value() == iEvent.getType()).findAny();
+		val kv = eventMap.entrySet().stream().filter(e -> e.getKey().value() == iEvent.getType().value()).findAny();
 		if (!kv.isPresent()) return; //Event not supported
 		val cl = kv.get().getValue();
 		for (Method method : getClass().getMethods()) {
 			if (method.isAnnotationPresent(org.bukkit.event.EventHandler.class)
 					&& method.getParameterCount() == 1 && method.getParameterTypes()[0] == cl) {
 				try {
-					method.invoke(this, Utils.getEvent(iEvent, cl));
+					method.invoke(this, COMUtils.getEvent(iEvent, cl));
 					return;
 				} catch (IllegalAccessException e) {
 					e.printStackTrace();
@@ -53,8 +50,8 @@ public abstract class EventHandlerBase extends COMObjectBase implements IEventLi
 		}
 	}
 
-	public <T extends EventHandlerBase> org.virtualbox_6_0.IEventListener registerTo(IEventSource source) {
-		return Utils.registerListener(source, this, new ArrayList<>(eventMap.keySet()));
+	public <T extends EventHandlerBase> org.virtualbox_6_1.IEventListener registerTo(IEventSource source) {
+		return COMUtils.registerListener(source, this, new ArrayList<>(eventMap.keySet()));
 	}
 
 	public void disable() {

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/events/MachineEventHandler.java

@@ -6,9 +6,9 @@ import lombok.experimental.var;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.event.EventHandler;
-import org.virtualbox_6_0.IProgress;
-import org.virtualbox_6_0.IStateChangedEvent;
-import org.virtualbox_6_0.VBoxEventType;
+import org.virtualbox_6_1.IProgress;
+import org.virtualbox_6_1.IStateChangedEvent;
+import org.virtualbox_6_1.VBoxEventType;
 import sznp.virtualcomputer.Computer;
 import sznp.virtualcomputer.PluginMain;
 
@@ -38,17 +38,22 @@ public class MachineEventHandler extends EventHandlerBase {
 			case Saved:
 				if (starting) {
 					sender.sendMessage("§cFailed to start computer! See the console for more details.");
-					sender.sendMessage("§cMake sure that 2D and 3D acceleration is disabled.");
 					starting = false;
 					Bukkit.getScheduler().runTaskAsynchronously(PluginMain.Instance, () -> {
+						if (progress == null) return;
 						progress.waitForCompletion(-1);
-						if (progress != null && progress.getCompleted() && progress.getResultCode() != 0) {
+						if (progress.getCompleted() && progress.getResultCode() != 0) {
 							Logger l = PluginMain.Instance.getLogger();
 							l.warning("Result code: " + Integer.toHexString(progress.getResultCode()));
 							for (var info = progress.getErrorInfo(); info != null; info = info.getNext()) {
 								l.warning("----------------");
-								l.warning("VBox: " + info.getText());
-								l.warning("Component: " + info.getComponent());
+								if (info.getResultCode() == 0x80004005 && info.getResultDetail() == 0xFFFFF88B)
+									l.warning("The server cannot access the VirtualBox driver. Either run it as root or disable the 'runEmbedded' config option. Make sure to only run plugins you trust as root.");
+								else {
+									l.warning("VBox: " + info.getText());
+									l.warning("Component: " + info.getComponent());
+									l.warning("Error codes: " + Integer.toHexString(info.getResultCode()) + " " + Integer.toHexString(info.getResultDetail()));
+								}
 							}
 						}
 					});

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/events/VBoxEventHandler.java

@@ -0,0 +1,39 @@
+package sznp.virtualcomputer.events;
+
+import com.google.common.collect.ImmutableMap;
+import lombok.Getter;
+import org.bukkit.command.CommandSender;
+import org.bukkit.event.EventHandler;
+import org.virtualbox_6_1.ISessionStateChangedEvent;
+import org.virtualbox_6_1.SessionState;
+import org.virtualbox_6_1.VBoxEventType;
+import sznp.virtualcomputer.Computer;
+
+public class VBoxEventHandler extends EventHandlerBase {
+	public VBoxEventHandler() {
+		super(ImmutableMap.of(VBoxEventType.OnSessionStateChanged, ISessionStateChangedEvent.class));
+		instance = this;
+	}
+
+	@Getter
+	private static VBoxEventHandler instance;
+	private String machineID;
+	private CommandSender sender;
+
+	@EventHandler
+	public void onSessionStateChange(ISessionStateChangedEvent event) {
+		if (!event.getMachineId().equals(machineID)) return;
+		try {
+			if (event.getState() == SessionState.Locked) //Need to check here, because we can't access the console yet
+				Computer.getInstance().onLock(sender);
+		} catch (Exception e) {
+			sender.sendMessage("§cFailed to start computer! See the console for more details.");
+			throw e;
+		}
+	}
+
+	public void setup(String machineID, CommandSender sender) {
+		this.machineID = machineID;
+		this.sender = sender;
+	}
+}

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/renderer/BukkitRenderer.java

@@ -10,30 +10,33 @@ import java.awt.image.BufferedImage;
 import java.awt.image.DataBufferInt;
 import java.nio.ByteBuffer;
 import java.util.concurrent.TimeUnit;
+import java.util.logging.Logger;
 
 public class BukkitRenderer extends MapRenderer implements IRenderer {
-	private ByteBuffer allpixels;
-	private BufferedImage image;
-	private int startindex;
+	private static ByteBuffer allpixels;
+	private final BufferedImage image;
+	private final int startindex;
+	private final Logger logger;
 
 	/**
-	 * The raw pixel data from the machine in BGRA format
+	 * Updates the screen.
+	 *
+	 * @param allpixels The raw pixel data from the machine in BGRA format
 	 */
-	public void setAllPixels(ByteBuffer allpixels) {
-		this.allpixels = allpixels;
+	public static void update(ByteBuffer allpixels, int x, int y, int width, int height) {
+		BukkitRenderer.allpixels = allpixels; //TODO: Only update what actually changes
 	}
 
 	/**
 	 * Generic implementation, should work on most versions
-	 * 
-	 * @param id
-	 *            The ID of the current map
-	 * @param world
-	 *            The world to create new maps in
-	 * @param startindex
-	 *            The index to start from in allpixels
+	 *
+	 * @param id         The ID of the current map
+	 * @param world      The world to create new maps in
+	 * @param startindex The index
+	 * @param logger     The plugin's logger
 	 */
-	public BukkitRenderer(short id, World world, int startindex) {
+	public BukkitRenderer(short id, World world, int startindex, Logger logger) {
+		this.logger = logger;
 		MapView map = IRenderer.prepare(id, world);
 		map.addRenderer(this);
 		this.startindex = startindex;
@@ -72,12 +75,12 @@ public class BukkitRenderer extends MapRenderer implements IRenderer {
 
 			long diff = System.nanoTime() - time;
 			if (TimeUnit.NANOSECONDS.toMillis(diff) > 40) {
-				System.out.println("Map rendering took " + TimeUnit.NANOSECONDS.toMillis(diff) + " ms");
+				logger.warning("Map rendering took " + TimeUnit.NANOSECONDS.toMillis(diff) + " ms");
 			}
 		} catch (Exception e) {
 			e.printStackTrace();
-			System.out.println("Progess: " + progress);
-			System.out.println("UpdatePixels: " + updatepixels);
+			logger.warning("Progess: " + progress);
+			logger.warning("UpdatePixels: " + updatepixels);
 		}
 	}
 }

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/renderer/GPURenderer.java

@@ -1,6 +1,9 @@
 package sznp.virtualcomputer.renderer;
 
-import net.minecraft.server.v1_12_R1.WorldMap;
+import com.aparapi.device.Device;
+import com.aparapi.internal.kernel.KernelManager;
+import lombok.val;
+import lombok.var;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
 import org.bukkit.map.MapCanvas;
@@ -12,19 +15,26 @@ import sznp.virtualcomputer.util.Timing;
 
 import java.awt.*;
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
+import java.util.function.BiConsumer;
 
 public class GPURenderer extends MapRenderer implements IRenderer {
 	private byte[] buffer;
 	private final GPURendererInternal kernel;
-	private WorldMap wmap;
+	private final boolean sendAll;
 	private int mapx, mapy;
 	//Store at central location after conversion
 	private static int[] colors_;
 	private int changedX = 0, changedY = 0, changedWidth = 640, changedHeight = 480;
-	private static ArrayList<GPURenderer> renderers = new ArrayList<>();
+	private BiConsumer<Integer, Integer> flagDirty; //This way it's version independent, as long as it's named the same
+	private static final ArrayList<GPURenderer> renderers = new ArrayList<>();
+	private static Method flagDirtyMethod;
+	private static boolean enabled = true;
+	private static boolean warned = false;
 
-	public GPURenderer(short id, World world, int mapx, int mapy) throws Exception {
+	public GPURenderer(short id, World world, boolean sendAll, int mapx, int mapy) throws Exception {
+		this.sendAll = sendAll;
 		MapView map = IRenderer.prepare(id, world);
 		if (map == null) {
 			kernel = null;
@@ -44,15 +54,29 @@ public class GPURenderer extends MapRenderer implements IRenderer {
 		this.mapy = mapy;
 		Field field = map.getClass().getDeclaredField("worldMap");
 		field.setAccessible(true);
-		wmap = (WorldMap) field.get(map);
+		val wmap = field.get(map);
+		if (flagDirtyMethod == null)
+			flagDirtyMethod = wmap.getClass().getMethod("flagDirty", int.class, int.class);
+		flagDirty = (x, y) -> {
+			try {
+				flagDirtyMethod.invoke(wmap, x, y);
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		};
 		kernel = new GPURendererInternal(mapx, mapy, colors_);
+		var dev = kernel.getTargetDevice();
+		if (mapx == mapy && mapx == 0)
+			PluginMain.Instance.getLogger().info("Using device: " + dev.getShortDescription());
 		renderers.add(this);
 
 		map.addRenderer(this);
+		enabled = true; //Enable at each plugin (re)enable
 	}
 
 	@Override
 	public void render(MapView map, MapCanvas canvas, Player player) {
+		if (!enabled) return;
 		Timing t = new Timing();
 		try {
 			if (kernel.isRendered()) return;
@@ -61,7 +85,15 @@ public class GPURenderer extends MapRenderer implements IRenderer {
 				field.setAccessible(true);
 				buffer = (byte[]) field.get(canvas);
 			}
-			if (!PluginMain.sendAll) {
+			if (!warned) { //Only print once
+				warned = true;
+				if (kernel.getTargetDevice().getType() != Device.TYPE.GPU) {
+					PluginMain.Instance.getLogger().warning("Cannot use GPU! Target device: " + kernel.getTargetDevice().getShortDescription()
+							+ " - Best device: " + KernelManager.instance().bestDevice().getShortDescription());
+					PluginMain.Instance.getLogger().warning("Server performance may be affected"); //TODO: Index 0 out of range 0
+				}
+			}
+			if (!sendAll) {
 				synchronized (kernel) {
 					if (changedX >= (mapx + 1) * 128 || changedY >= (mapy + 1) * 128
 							|| changedX + changedWidth < mapx * 128 || changedY + changedHeight < mapy * 128) {
@@ -79,28 +111,33 @@ public class GPURenderer extends MapRenderer implements IRenderer {
 				int yy = y + changedHeight >= 128 ? 127 : y + changedHeight;
 				//System.out.println("local: ("+x+", "+y+") "+w+"x"+h);
 				kernel.render(buffer);
-				wmap.flagDirty(x, y);
-				wmap.flagDirty(xx, yy); // Send the changes only
+				flagDirty.accept(x, y);
+				flagDirty.accept(xx, yy); // Send the changes only
 				changedX = Integer.MAX_VALUE; //Finished rendering
 				changedY = Integer.MAX_VALUE; //TODO: Render as soon as we receive new image
 				changedWidth = -1; //Finished rendering
 				changedHeight = -1;
 			} else {
 				kernel.render(buffer);
-				wmap.flagDirty(0, 0);
-				wmap.flagDirty(127, 127); // Send everything
+				flagDirty.accept(0, 0);
+				flagDirty.accept(127, 127); // Send everything
 			}
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
 		if (t.elapsedMS() > 60)
-			System.out.println("Map rendering took " + t.elapsedMS() + "ms");
+			PluginMain.Instance.getLogger().warning("Map rendering took " + t.elapsedMS() + "ms");
+		if (t.elapsedMS() > 2000) {
+			PluginMain.Instance.getLogger().severe("Map rendering is taking too long! Disabling rendering to prevent the server from crashing.");
+			PluginMain.Instance.getLogger().severe("Make sure the server has root privileges or disable GPU rendering.");
+			enabled = false;
+		}
 	}
 
 	public static void update(byte[] pixels, int width, int height, int changedX, int changedY, int changedWidth, int changedHeight) {
 		for (GPURenderer r : renderers) {
 			synchronized (r.kernel) {
-				if (!PluginMain.sendAll) {
+				if (!r.sendAll) {
 					if (changedX < r.changedX)
 						r.changedX = changedX;
 					if (changedY < r.changedY)

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/renderer/MCFrameBuffer.java

@@ -0,0 +1,209 @@
+package sznp.virtualcomputer.renderer;
+
+import com.sun.jna.Pointer;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.val;
+import org.bukkit.Bukkit;
+import org.bukkit.scheduler.BukkitTask;
+import org.virtualbox_6_1.Holder;
+import org.virtualbox_6_1.IDisplay;
+import org.virtualbox_6_1.IDisplaySourceBitmap;
+import org.virtualbox_6_1.VBoxException;
+import sznp.virtualcomputer.PluginMain;
+import sznp.virtualcomputer.util.COMUtils;
+import sznp.virtualcomputer.util.IMCFrameBuffer;
+import sznp.virtualcomputer.util.Timing;
+
+import java.nio.ByteBuffer;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicIntegerArray;
+import java.util.logging.Logger;
+
+public class MCFrameBuffer implements IMCFrameBuffer {
+	private final IDisplay display;
+	private final Holder<IDisplaySourceBitmap> holder = new Holder<>();
+	private final Logger logger;
+	private final PluginMain plugin;
+	/**
+	 * Whether the VM is running inside the server
+	 */
+	private final boolean embedded;
+	/**
+	 * Whether the GPU is being used to render
+	 */
+	private final boolean direct;
+	private BukkitTask tt;
+	/**
+	 * Used when running embedded
+	 */
+	private Pointer pointer;
+	/**
+	 * Used when not running embedded
+	 */
+	private byte[] screenImage;
+	/**
+	 * Used when running in indirect mode, not embedded
+	 */
+	private ByteBuffer screenBuffer;
+	private int width;
+	private int height;
+	@Getter
+	@Setter
+	private String id;
+	private final AtomicBoolean shouldUpdate = new AtomicBoolean();
+	private final AtomicIntegerArray updateParameters = new AtomicIntegerArray(4);
+	private boolean running;
+
+	/**
+	 * Creates a new framebuffer that receives images from the VM and sends the image data to Minecraft.
+	 *
+	 * @param display The VM display to use - TODO: Multiple monitors
+	 * @param plugin  The plugin
+	 * @param direct  Whether the GPU rendering is used
+	 */
+	public MCFrameBuffer(IDisplay display, PluginMain plugin, boolean embedded, boolean direct) {
+		this.display = display;
+		this.plugin = plugin;
+		this.logger = plugin.getLogger();
+		this.embedded = embedded; //Don't change even if the config got updated while running
+		this.direct = direct;
+	}
+
+	@Override
+	public void notifyChange(long screenId, long xOrigin, long yOrigin, long width, long height) {
+		if (tt != null)
+			tt.cancel();
+		tt = Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+			synchronized (this) { //If a change occurs twice, then wait for it
+				try {
+					if (!embedded) { //Running separately
+						this.width = (int) width;
+						this.height = (int) height;
+						if (screenImage == null || screenImage.length != width * height * 4) {
+							screenImage = new byte[(int) (width * height * 4)];
+							screenBuffer = ByteBuffer.wrap(screenImage);
+						}
+						updateScreen((int) xOrigin, (int) yOrigin, (int) width, (int) height);
+						return;
+					}
+					display.querySourceBitmap(0L, holder);
+					long[] ptr = new long[1], w = new long[1], h = new long[1], bpp = new long[1], bpl = new long[1], pf = new long[1];
+					COMUtils.queryBitmapInfo(holder.value, ptr, w, h, bpp, bpl, pf);
+					pointer = new Pointer(ptr[0]);
+					this.width = (int) w[0];
+					this.height = (int) h[0];
+					updateScreen(0, 0, (int) width, (int) height);
+				} catch (VBoxException e) {
+					if (e.getResultCode() == 0x80070005)
+						return; // Machine is being powered down
+					if (e.getResultCode() == 0x80004005) //The function "querySourceBitmap" returned an error condition: "Operation failed (NS_ERROR_FAILURE)"
+						System.out.println("I don't know why this happens, but stopping the computer helps.");
+					e.printStackTrace();
+				} catch (Throwable t) {
+					t.printStackTrace();
+				}
+			}
+		});
+	}
+
+	@Override
+	public void notifyUpdate(long x, long y, long width, long height) {
+		if (shouldUpdate.get())
+			return; //Don't wait for lock, ignore update since we're updating everything anyway - TODO: Not always
+		synchronized (this) {
+			shouldUpdate.set(true);
+			updateParameters.set(0, (int) x);
+			updateParameters.set(1, (int) y);
+			updateParameters.set(2, (int) width);
+			updateParameters.set(3, (int) height);
+			notifyAll();
+		}
+	}
+
+	@Override
+	public void notifyUpdateImage(long x, long y, long width, long height, byte[] image) {
+		System.out.println("Update image!");
+		if (this.width == 0 || this.height == 0) {
+			logger.warning("Received screen image before resolution change!");
+			return;
+		}
+		for (int i = 0; i < height; i++) //Copy lines of the screen in a fast way
+			System.arraycopy(image, (int) (i * width * 4), screenImage, (int) (x + y * this.width * 4), (int) width * 4);
+		updateScreen((int) x, (int) y, (int) width, (int) height);
+	}
+
+	public void startEmbedded() {
+		running = true;
+		Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+			try {
+				while (running) {
+					synchronized (this) {
+						while (!shouldUpdate.get())
+							wait(1000);
+						if (pointer == null) {
+							logger.warning("Embedded screen data pointer is null");
+							shouldUpdate.set(false);
+							continue;
+						}
+						if (!running) return;
+						updateScreen(updateParameters.get(0), updateParameters.get(1), updateParameters.get(2), updateParameters.get(3));
+						shouldUpdate.set(false);
+					}
+				}
+			} catch (InterruptedException ignored) {
+			}
+		});
+	}
+
+	private void updateScreenDirectInternal(byte[] pixels, int x, int y, int width, int height) {
+		if (pixels == null) {
+			logger.warning("Direct pixel data is null");
+			return;
+		}
+		Timing t = new Timing();
+		GPURenderer.update(pixels, this.width, this.height, x, y, width, height);
+		if (t.elapsedMS() > 60) //Typically 1ms max
+			logger.warning("Direct update took " + t.elapsedMS() + "ms");
+	}
+
+	private void updateScreenIndirectInternal(ByteBuffer buffer, int x, int y, int width, int height) {
+		if (buffer == null) {
+			logger.warning("Indirect pixel buffer is null");
+			return;
+		}
+		if (this.width * this.height > 640 * 480)
+			buffer.limit(640 * 480 * 4);
+		else
+			buffer.limit(this.width * this.height * 4);
+		Timing t = new Timing();
+		BukkitRenderer.update(buffer, x, y, width, height);
+		if (t.elapsedMS() > 60)
+			logger.warning("Indirect update took " + t.elapsedMS() + "ms");
+	}
+
+	/**
+	 * Updates the screen when the VM is embedded or when it isn't.
+	 *
+	 * @param x      The x of change - passed along to the renderer to use
+	 * @param y      The y of change - passed along to the renderer to use
+	 * @param width  The width of change - passed along to the renderer to use
+	 * @param height The height of change - passed along to the renderer to use
+	 */
+	private void updateScreen(int x, int y, int width, int height) {
+		if (direct) {
+			val arr = embedded ? pointer.getByteArray(0L, this.width * this.height * 4) : screenImage;
+			updateScreenDirectInternal(arr, x, y, width, height);
+		} else {
+			val bb = embedded ? pointer.getByteBuffer(0L, (long) this.width * this.height * 4) : screenBuffer;
+			updateScreenIndirectInternal(bb, x, y, width, height);
+		}
+	}
+
+	public void stop() {
+		synchronized (this) {
+			running = false;
+			notifyAll();
+		}
+	}
+}

VirtualComputer-Core/src/main/java/sznp/virtualcomputer/util/Utils.java

@@ -0,0 +1,52 @@
+package sznp.virtualcomputer.util;
+
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
+import java.lang.reflect.Field;
+import java.util.Arrays;
+
+public class Utils {
+    /**
+     * Adds the specified path to the java library path
+     *
+     * @param pathToAdd the path to add
+     * @throws Exception
+     */
+    public static void addLibraryPath(String pathToAdd) throws Exception {
+        try {
+            addLibraryPathOld(pathToAdd);
+        } catch (Throwable t) {
+            addLibraryPathNew(pathToAdd);
+        }
+    }
+
+    private static void addLibraryPathOld(String pathToAdd) throws Exception {
+        final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
+        usrPathsField.setAccessible(true);
+
+        // get array of paths
+        final String[] paths = (String[]) usrPathsField.get(null);
+
+        // check if the path to add is already present
+        for (String path : paths) {
+            if (path.equals(pathToAdd)) {
+                return;
+            }
+        }
+
+        // add the new path
+        final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
+        newPaths[newPaths.length - 1] = pathToAdd;
+        usrPathsField.set(null, newPaths);
+    }
+
+    private static void addLibraryPathNew(String pathToAdd) throws Exception {
+        MethodHandles.Lookup cl = MethodHandles.privateLookupIn(ClassLoader.class, MethodHandles.lookup());
+        VarHandle sys_paths = cl.findStaticVarHandle(ClassLoader.class, "sys_paths", String[].class);
+        final String[] paths = (String[]) sys_paths.get();
+
+        final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
+        newPaths[newPaths.length - 1] = pathToAdd;
+        sys_paths.set((Object) newPaths);
+    }
+}

VirtualComputer-Core/src/main/resources/computer.commodore

@@ -0,0 +1,35 @@
+computer {
+  start {
+    index brigadier:integer;
+  }
+  on {
+    index brigadier:integer;
+  }
+  list;
+  stop;
+  off;
+  shutdown;
+  kill;
+  powerbutton;
+  reset;
+  restart;
+  fix;
+  fixscreen;
+  key {
+    key brigadier:string single_word;
+  }
+  press {
+    key brigadier:string single_word;
+  }
+  mouse {
+    button brigadier:string single_word;
+  }
+  input {
+    key;
+    mouse;
+  }
+  show {
+    key;
+    mouse;
+  }
+}

VirtualComputer-Core/src/main/resources/plugin.yml

@@ -1,7 +1,11 @@
 name: VirtualComputer
 main: sznp.virtualcomputer.PluginMain
-version: 2.0
+version: '3.0'
+author: 'NorbiPeti'
 commands:
     computer:
         usage: Use /computer start|stop|reset|key|mouse|input|fix
         aliases: c
+api-version: '1.13'
+depend:
+    - Chroma-Core

VirtualComputer/.classpath

@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry including="**/*.java" kind="src" output="target/classes" path="src">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>

VirtualComputer/.project

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>VirtualComputer</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.m2e.core.maven2Nature</nature>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

VirtualComputer/.settings/org.eclipse.jdt.core.prefs

@@ -1,13 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.source=1.8
-org.eclipse.jdt.core.javaFormatter=org.eclipse.jdt.core.defaultJavaFormatter

VirtualComputer/dependency-reduced-pom.xml

@@ -1,144 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <groupId>io.github.NorbiPeti</groupId>
-  <artifactId>VirtualComputer</artifactId>
-  <version>2.0-SNAPSHOT</version>
-  <build>
-    <plugins>
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.5.1</version>
-        <configuration>
-          <source>1.8</source>
-          <target>1.8</target>
-          <compilerArgs>
-            <arg>-g</arg>
-          </compilerArgs>
-        </configuration>
-      </plugin>
-      <plugin>
-        <artifactId>maven-shade-plugin</artifactId>
-        <version>2.4.2</version>
-        <executions>
-          <execution>
-            <phase>package</phase>
-            <goals>
-              <goal>shade</goal>
-            </goals>
-            <configuration />
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-    <profiles>
-        <profile>
-            <id>XPCOM</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <artifactId>maven-shade-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <goals>
-                                    <goal>shade</goal>
-                                </goals>
-                                <configuration>
-                                    <artifactSet>
-                                        <excludes>
-                                            <exclude>org.virtualbox:VirtualBox-MSCOM</exclude>
-                                        </excludes>
-                                    </artifactSet>
-                                </configuration>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-        <profile>
-            <id>MSCOM</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <artifactId>maven-shade-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>package</phase>
-                                <goals>
-                                    <goal>shade</goal>
-                                </goals>
-                                <configuration>
-                                    <artifactSet>
-                                        <excludes>
-                                            <exclude>org.virtualbox:VirtualBox</exclude>
-                                        </excludes>
-                                    </artifactSet>
-                                </configuration>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-    </profiles>
-  <repositories>
-    <repository>
-      <id>spigot-repo</id>
-      <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
-    </repository>
-    <repository>
-      <id>repo</id>
-      <url>file://${basedir}/repo</url>
-    </repository>
-  </repositories>
-  <dependencies>
-    <dependency>
-      <groupId>org.spigotmc</groupId>
-      <artifactId>spigot-api</artifactId>
-      <version>1.12-R0.1-SNAPSHOT</version>
-      <scope>provided</scope>
-      <exclusions>
-        <exclusion>
-          <artifactId>commons-lang</artifactId>
-          <groupId>commons-lang</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>json-simple</artifactId>
-          <groupId>com.googlecode.json-simple</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>guava</artifactId>
-          <groupId>com.google.guava</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>gson</artifactId>
-          <groupId>com.google.code.gson</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>snakeyaml</artifactId>
-          <groupId>org.yaml</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>bungeecord-chat</artifactId>
-          <groupId>net.md-5</groupId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-      <dependency>
-          <groupId>org.virtualbox</groupId>
-          <artifactId>VirtualBox-MSCOM</artifactId>
-          <version>6.0</version>
-          <scope>compile</scope>
-      </dependency>
-      <dependency>
-          <groupId>org.bukkit</groupId>
-          <artifactId>craftbukkit</artifactId>
-          <version>1.12.2-R0.1-SNAPSHOT</version>
-          <scope>provided</scope>
-      </dependency>
-  </dependencies>
-</project>
-

VirtualComputer/repo/org/virtualbox/VirtualBox-MSCOM/maven-metadata-local.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<metadata>
-    <groupId>org.virtualbox</groupId>
-    <artifactId>VirtualBox-MSCOM</artifactId>
-    <versioning>
-        <release>6.0</release>
-        <versions>
-            <version>6.0</version>
-        </versions>
-        <lastUpdated>20190405225845</lastUpdated>
-    </versioning>
-</metadata>

VirtualComputer/src/main/java/sznp/virtualcomputer/Commands.java

@@ -1,162 +0,0 @@
-package sznp.virtualcomputer;
-
-import org.bukkit.Bukkit;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.virtualbox_6_0.VBoxException;
-
-public class Commands implements CommandExecutor {
-
-	@Override
-	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
-		if (args.length == 0)
-			return false;
-		switch (args[0].toLowerCase()) {
-			case "start":
-			case "poweron":
-			case "on":
-			case "startup":
-				int c = getMachineIndex(args);
-				if (c == -1) {
-					sender.sendMessage("§cUsage: /" + label + " start [index]");
-					return true;
-				}
-				Computer.getInstance().Start(sender, c);
-				break;
-			case "stop":
-			case "poweroff":
-			case "off":
-			case "shutdown":
-			case "kill":
-				Computer.getInstance().Stop(sender);
-				break;
-			case "powerbutton":
-			case "pwrbtn":
-			case "powerbtn":
-				c = getMachineIndex(args);
-				if (c == -1) {
-					sender.sendMessage("§cUsage: /" + label + " powerbutton [index]");
-					return true;
-				}
-				Computer.getInstance().PowerButton(sender, c);
-				break;
-			case "reset":
-			case "restart":
-				Computer.getInstance().Reset(sender);
-				break;
-			case "fix":
-			case "fixscreen":
-				Computer.getInstance().FixScreen(sender);
-				break;
-			case "key":
-			case "press":
-			case "presskey":
-			case "keypress":
-				if (args.length < 2) {
-					sender.sendMessage("§cUsage: /computer key <key> [down/up|duration(ticks)]");
-					return true;
-				}
-				if (args.length < 3)
-					Computer.getInstance().PressKey(sender, args[1], "");
-				else
-					Computer.getInstance().PressKey(sender, args[1], args[2]);
-				break;
-			case "mouse":
-				boolean showusage = true;
-				if (args.length < 6) {
-					try {
-						// Command overloading, because I can :P
-						if (args.length > 4) // 4<x<6
-						{
-							Computer.getInstance().UpdateMouse(sender, Integer.parseInt(args[1]), Integer.parseInt(args[2]),
-									Integer.parseInt(args[3]), Integer.parseInt(args[4]), "", false);
-							showusage = false;
-						} else {
-							if (args.length == 3) {
-								Computer.getInstance().UpdateMouse(sender, 0, 0, 0, 0, args[1], args[2].equals("down"));
-								showusage = false;
-							} else if (args.length == 2) {
-								Computer.getInstance().UpdateMouse(sender, 0, 0, 0, 0, args[1]);
-								showusage = false;
-							}
-						}
-					}
-					catch (VBoxException e) {
-						e.printStackTrace();
-					}
-					catch (Exception ignored) { //It will show the usage here
-					}
-				}
-				if (showusage) {
-					sender.sendMessage("§cUsage: /computer mouse <relx> <rely> <relz> <relw>");
-					sender.sendMessage("§cOr: /computer mouse <button> [up/down]");
-				}
-				break;
-			case "input":
-			case "show":
-			case "showinput":
-			case "shinput": {
-				if (!(sender instanceof Player)) {
-					sender.sendMessage("§cError: Only players can use this command.");
-					return true;
-				}
-				if (args.length < 2) {
-					sender.sendMessage("§cUsage: /computer input <key|mouse>");
-					return true;
-				}
-				switch (args[1].toLowerCase()) {
-					case "key":
-					case "keyboard":
-						Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "tellraw " + sender.getName()
-								+ " [\"\",{\"text\":\" [0]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D0\"}},{\"text\":\" [1]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D1\"}},{\"text\":\" [2]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D2\"}},{\"text\":\" [3]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D3\"}},{\"text\":\" [4]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D4\"}},{\"text\":\" [5]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D5\"}},{\"text\":\" [6]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D6\"}},{\"text\":\" [7]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D7\"}},{\"text\":\" [8]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D8\"}},{\"text\":\" [9]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D9\"}}]");
-						Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "tellraw " + sender.getName()
-								+ " [\"\",{\"text\":\" [Tab]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key Tab\"}},{\"text\":\" [Q]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key Q\"}},{\"text\":\" [W]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key W\"}},{\"text\":\" [E]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key E\"}},{\"text\":\" [R]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key R\"}},{\"text\":\" [T]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key T\"}},{\"text\":\" [Y]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key Y\"}},{\"text\":\" [U]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key U\"}},{\"text\":\" [I]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key I\"}},{\"text\":\" [O]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key O\"}},{\"text\":\" [P]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key P\"}}]");
-						Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "tellraw " + sender.getName()
-								+ " [\"\",{\"text\":\" [CapsLock]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key CapsLock\"}},{\"text\":\" [A]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key A\"}},{\"text\":\" [S]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key S\"}},{\"text\":\" [D]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key D\"}},{\"text\":\" [F]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key F\"}},{\"text\":\" [G]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key G\"}},{\"text\":\" [H]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key H\"}},{\"text\":\" [J]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key J\"}},{\"text\":\" [K]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key K\"}},{\"text\":\" [L]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key L\"}},{\"text\":\" [Enter]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key Enter\"}}]");
-						Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "tellraw " + sender.getName()
-								+ " [\"\",{\"text\":\"           [Z]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key Z\"}},{\"text\":\" [X]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key X\"}},{\"text\":\" [C]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key C\"}},{\"text\":\" [V]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key V\"}},{\"text\":\" [B]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key B\"}},{\"text\":\" [N]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key N\"}},{\"text\":\" [M]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key M\"}}]");
-						Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), "tellraw " + sender.getName()
-								+ " [\"\",{\"text\":\" [Ctrl]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key ControlLeft\"}},{\"text\":\" [Alt]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key AltLeft\"}},{\"text\":\" [Space]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key Space\"}},{\"text\":\" [AltGr]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key AltRight\"}},{\"text\":\" [Ctrl]\",\"color\":\"green\",\"clickEvent\":{\"action\":\"run_command\",\"value\":\"/computer key ControlRight\"}}]");
-						break;
-					case "mouse":
-						MouseLockerPlayerListener.toggleLock((Player) sender);
-						break;
-					case "mspeed":
-					case "mousespeed":
-						if (args.length < 3) {
-							sender.sendMessage("§cUsage: /computer input mspeed <number>");
-							return true;
-						}
-						try {
-							MouseLockerPlayerListener.LockedSpeed = Float.parseFloat(args[2]);
-						} catch(NumberFormatException e) {
-							sender.sendMessage("§cThe speed must be a number.");
-							break;
-						}
-						sender.sendMessage("§aMouse speed set to " + MouseLockerPlayerListener.LockedSpeed);
-				}
-				break;
-			}
-		}
-		return true;
-	}
-
-	/**
-	 * Checks the 2nd parameter
-	 *
-	 * @return The index of the machine or -1 on usage error
-	 */
-	private int getMachineIndex(String[] args) {
-		int c = 0;
-		if (args.length >= 2) {
-			try {
-				c = Integer.parseInt(args[1]);
-			} catch (Exception ignored) {
-				return -1;
-			}
-		}
-		return c;
-	}
-}

VirtualComputer/src/main/java/sznp/virtualcomputer/Computer.java

@@ -1,235 +0,0 @@
-package sznp.virtualcomputer;
-
-import com.google.common.collect.Lists;
-import lombok.Getter;
-import org.bukkit.Bukkit;
-import org.bukkit.ChatColor;
-import org.bukkit.command.CommandSender;
-import org.virtualbox_6_0.*;
-import sznp.virtualcomputer.events.MachineEventHandler;
-import sznp.virtualcomputer.events.VBoxEventHandler;
-import sznp.virtualcomputer.renderer.GPURenderer;
-import sznp.virtualcomputer.renderer.MCFrameBuffer;
-import sznp.virtualcomputer.util.Scancode;
-
-import javax.annotation.Nullable;
-import java.util.Arrays;
-
-public final class Computer {
-    @Getter
-    private static Computer instance;
-
-    private final PluginMain plugin;
-    private ISession session;
-    private IVirtualBox vbox;
-    private IMachine machine;
-    private MachineEventHandler handler;
-    private IEventListener listener;
-    private VirtualBoxManager manager;
-
-    @java.beans.ConstructorProperties({"plugin"})
-    public Computer(PluginMain plugin, VirtualBoxManager manager, IVirtualBox vbox) {
-        this.plugin = plugin;
-        this.manager = manager;
-        session = manager.getSessionObject();
-	    this.vbox = vbox;
-	    if (instance != null) throw new IllegalStateException("A computer already exists!");
-	    instance = this;
-    }
-
-    public void Start(CommandSender sender, int index) {// TODO: Add touchscreen support (#2)
-        if (session.getState() == SessionState.Locked) {
-            sender.sendMessage("§cThe machine is already running!");
-            return;
-        }
-        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
-            if (vbox.getMachines().size() <= index) {
-                sendMessage(sender, "§cMachine not found!");
-                return;
-            }
-            try {
-                sendMessage(sender, "§eStarting computer...");
-                machine = vbox.getMachines().get(index);
-                session.setName("minecraft");
-                // machine.launchVMProcess(session, "headless", "").waitForCompletion(10000); - This creates a *process*, we don't want that anymore
-                machine.lockMachine(session, LockType.VM); // We want the machine inside *our* process <-- Need the VM type to have console access
-                VBoxEventHandler.getInstance().setup(machine.getId(), sender); //TODO: Sometimes null
-            } catch (VBoxException e) {
-                if (e.getResultCode() == 0x80070005) { //lockMachine: "The object functionality is limited"
-                    sendMessage(sender, "§6Cannot start computer, the machine may be inaccessible");
-                    sendMessage(sender, "§6Make sure that the server is running as root (sudo)");
-                    //TODO: If we have VirtualBox open, it won't close the server's port
-                    //TODO: "The object in question already exists." on second start
-                    //machine.launchVMProcess(session, "headless", "").waitForCompletion(10000); //No privileges, start the 'old' way
-                    //session.getConsole().getDisplay().attachFramebuffer(0L, new IFramebuffer(new MCFrameBuffer(session.getConsole().getDisplay(), false)));
-                    //sendMessage(sender, "§6Computer started with slower screen. Run as root to use a faster method.");
-                } else {
-                    sendMessage(sender, "§cFailed to start computer: " + e.getMessage());
-                }
-            }
-        });
-    }
-
-    /**
-     * Gets called when the machine is locked after {@link #Start(CommandSender, int)}
-     *
-     * @param sender The sender which started the machine
-     */
-    public void onLock(CommandSender sender) {
-        machine = session.getMachine(); // This is the Machine object we can work with
-        final IConsole console = session.getConsole();
-        if (handler != null)
-            handler.disable();
-	    handler = new MachineEventHandler(Computer.this, sender);
-        listener = handler.registerTo(console.getEventSource());
-        IProgress progress = console.powerUp(); // https://marc.info/?l=vbox-dev&m=142780789819967&w=2
-	    handler.setProgress(progress);
-	    handler.registerTo(progress.getEventSource()); //TODO: Show progress bar some way?
-        console.getDisplay().attachFramebuffer(0L,
-                new IFramebuffer(new MCFrameBuffer(console.getDisplay(), true)));
-    }
-
-    private void sendMessage(@Nullable CommandSender sender, String message) {
-	    if (sender != null)
-		    sender.sendMessage(message);
-	    plugin.getLogger().warning((sender == null ? "" : sender.getName() + ": ") + ChatColor.stripColor(message));
-    }
-
-    public void Stop(CommandSender sender) {
-        if (checkMachineNotRunning(sender)) {
-            if (session.getState().equals(SessionState.Locked)) {
-                onMachineStop(sender); //Needed for session reset
-                sendMessage(sender, "§eComputer was already off, released it.");
-            }
-            return;
-        }
-        sendMessage(sender, "§eStopping computer...");
-        session.getConsole().powerDown();
-    }
-
-    public void PowerButton(CommandSender sender, int index) {
-        sendMessage(sender, "§ePressing powerbutton...");
-        Bukkit.getServer().getScheduler().runTaskAsynchronously(plugin, new Runnable() {
-            @Override
-            public void run() {
-                if (session.getState() != SessionState.Locked || session.getMachine() == null) {
-                    Start(sender, index);
-                } else {
-                    session.getConsole().powerButton();
-                    sendMessage(sender, "§ePowerbutton pressed.");
-                }
-            }
-        });
-    }
-
-    public void Reset(CommandSender sender) {
-        if (checkMachineNotRunning(sender))
-            return;
-        sendMessage(sender, "§eResetting computer...");
-        session.getConsole().reset();
-        sendMessage(sender, "§eComputer reset.");
-    }
-
-    public void FixScreen(CommandSender sender) {
-        if (checkMachineNotRunning(sender))
-            return;
-        sendMessage(sender, "§eFixing screen...");
-        session.getConsole().getDisplay().setSeamlessMode(false);
-        session.getConsole().getDisplay().setVideoModeHint(0L, true, false, 0, 0, 640L, 480L, 32L);
-        sendMessage(sender, "§eScreen fixed.");
-    }
-
-    public boolean checkMachineNotRunning(@Nullable CommandSender sender) {
-        if (session.getState() != SessionState.Locked || machine.getState() != MachineState.Running) {
-            if (sender != null)
-                sender.sendMessage("§cMachine isn't running.");
-            return true;
-        }
-        return false;
-    }
-
-    public void PressKey(CommandSender sender, String key, String stateorduration) {
-        if (checkMachineNotRunning(sender))
-            return;
-        int durationorstate;
-        if (stateorduration.length() == 0)
-            durationorstate = 0;
-        else if (stateorduration.equalsIgnoreCase("down"))
-            durationorstate = -1;
-        else if (stateorduration.equalsIgnoreCase("up"))
-            durationorstate = -2;
-        else
-            durationorstate = Short.parseShort(stateorduration);
-	    int code = Scancode.getCode("sc_" + key.toLowerCase());
-	    if (code == -1) {
-            sender.sendMessage("§cUnknown key: " + key);
-            return;
-        }
-        // Release key scan code concept taken from VirtualBox source code (KeyboardImpl.cpp:putCAD())
-        // +128
-        if (durationorstate != -2)
-            session.getConsole().getKeyboard().putScancode(code);
-        Runnable sendrelease = () -> session.getConsole().getKeyboard().putScancodes(Lists.newArrayList(code + 128,
-                Scancode.sc_controlLeft.Code + 128, Scancode.sc_shiftLeft.Code + 128, Scancode.sc_altLeft.Code + 128));
-        if (durationorstate == 0 || durationorstate == -2)
-            sendrelease.run();
-        if (durationorstate > 0) {
-            Bukkit.getScheduler().runTaskLaterAsynchronously(plugin, sendrelease, durationorstate);
-        }
-    }
-
-    public void UpdateMouse(CommandSender sender, int x, int y, int z, int w, String mbs, boolean down) throws Exception {
-        if (checkMachineNotRunning(sender))
-            return;
-        int state = 0;
-        if (mbs.length() > 0 && down)
-            state = Arrays.stream(MouseButtonState.values()).filter(mousebs -> mousebs.name().equalsIgnoreCase(mbs))
-                    .findAny().orElseThrow(() -> new Exception("Unknown mouse button")).value();
-        session.getConsole().getMouse().putMouseEvent(x, y, z, w, state);
-    }
-
-    public void UpdateMouse(CommandSender sender, int x, int y, int z, int w, String mbs) throws Exception {
-        if (checkMachineNotRunning(sender))
-            return;
-        UpdateMouse(sender, x, y, z, w, mbs, true);
-        UpdateMouse(sender, x, y, z, w, mbs, false);
-    }
-
-	public void onMachineStart(CommandSender sender) {
-		sendMessage(sender, "§eComputer started.");
-	}
-
-	public void onMachineStop(CommandSender sender) {
-        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
-            if (session.getState() == SessionState.Locked) {
-                session.unlockMachine(); //Needs to be outside of the event handler
-	            handler = null;
-	            machine = null;
-                session = manager.getSessionObject();
-                sendMessage(sender, "§eComputer powered off."); //This block runs later
-            }
-        });
-        GPURenderer.update(new byte[1], 0, 0, 0, 0, 640, 480); //Black screen
-        stopEvents();
-		MouseLockerPlayerListener.computerStop();
-    }
-
-    public void stopEvents() {
-        /*if(session!=null && listener!=null)
-            session.getConsole().getEventSource().unregisterListener(listener);*/
-        if (listener != null)
-            handler.disable();
-        listener = null;
-    }
-
-    public void pluginDisable(CommandSender ccs) {
-        stopEvents();
-        if (session.getState() == SessionState.Locked) {
-            if (session.getMachine().getState().equals(MachineState.Running)) {
-                ccs.sendMessage("§aSaving machine state...");
-                session.getMachine().saveState().waitForCompletion(10000);
-            }
-            session.unlockMachine();
-        }
-    }
-}

VirtualComputer/src/main/java/sznp/virtualcomputer/PluginMain.java

@@ -1,129 +0,0 @@
-package sznp.virtualcomputer;
-
-import jnr.ffi.LibraryLoader;
-import lombok.val;
-import org.bukkit.Bukkit;
-import org.bukkit.command.ConsoleCommandSender;
-import org.bukkit.plugin.java.JavaPlugin;
-import org.bukkit.scheduler.BukkitTask;
-import org.virtualbox_6_0.IEventListener;
-import org.virtualbox_6_0.IVirtualBox;
-import org.virtualbox_6_0.VirtualBoxManager;
-import sznp.virtualcomputer.events.VBoxEventHandler;
-import sznp.virtualcomputer.renderer.BukkitRenderer;
-import sznp.virtualcomputer.renderer.GPURenderer;
-import sznp.virtualcomputer.renderer.IRenderer;
-import sznp.virtualcomputer.util.Utils;
-import sznp.virtualcomputer.util.VBoxLib;
-
-import java.io.File;
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.function.Predicate;
-
-public class PluginMain extends JavaPlugin {
-	private static final int MCX = 5;
-	private static final int MCY = 4;
-	private BukkitTask mousetask;
-	private IEventListener listener;
-
-	public static PluginMain Instance;
-	//public static ByteBuffer allpixels = ByteBuffer.allocate(640 * 480 * 4); // It's set on each change
-	/**
-	 * Only used if {@link #direct} is false.
-	 */
-	public static ByteBuffer allpixels; // It's set on each change
-	private static ArrayList<IRenderer> renderers = new ArrayList<>();
-	/*
-	 * Only used if {@link #direct} is true.
-	 */
-	//public static PXCLib pxc;
-	public static boolean direct;
-	public static boolean sendAll;
-
-	// Fired when plugin is first enabled
-	@Override
-	public void onEnable() {
-		Instance = this;
-		try {
-			ConsoleCommandSender ccs = getServer().getConsoleSender();
-			this.getCommand("computer").setExecutor(new Commands());
-			sendAll = getConfig().getBoolean("sendAll", true);
-			ccs.sendMessage("§bInitializing VirtualBox...");
-			String vbpath = System.getProperty("os.name").toLowerCase().contains("mac")
-					? "/Applications/VirtualBox.app/Contents/MacOS"
-					: "/opt/virtualbox";
-			//noinspection ConstantConditions
-			Predicate<File> notGoodDir= ff->!ff.isDirectory() || Arrays.stream(ff.list()).noneMatch(s -> s.contains("xpcom"));
-			if (notGoodDir.test(new File(vbpath)))
-				vbpath = "/usr/lib/virtualbox";
-			if(notGoodDir.test(new File(vbpath)))
-				error("Could not find VirtualBox! Download from https://www.virtualbox.org/wiki/Downloads");
-			if (System.getProperty("vbox.home") == null || System.getProperty("vbox.home").isEmpty())
-				System.setProperty("vbox.home", vbpath);
-			if (System.getProperty("sun.boot.library.path") == null
-					|| System.getProperty("sun.boot.library.path").isEmpty())
-				System.setProperty("sun.boot.library.path", vbpath);
-			if (System.getProperty("java.library.path") == null || System.getProperty("java.library.path").isEmpty())
-				System.setProperty("java.library.path", vbpath);
-			Utils.addLibraryPath(vbpath);
-			final VirtualBoxManager manager = VirtualBoxManager.createInstance(getDataFolder().getAbsolutePath());
-			VBoxLib vbl = LibraryLoader.create(VBoxLib.class).load("vboxjxpcom"); //TODO: Test for MSCOM
-			vbl.RTR3InitExe(0, "", 0);
-			IVirtualBox vbox = manager.getVBox();
-			listener = new VBoxEventHandler().registerTo(vbox.getEventSource());
-			new Computer(this, manager, vbox); //Saves itself
-			ccs.sendMessage("§bLoading Screen...");
-			try {
-				//throw new NoClassDefFoundError("Test error pls ignore");
-				for (short i = 0; i < MCX; i++)
-					for (short j = 0; j < MCY; j++)
-						renderers.add(new GPURenderer((short) (j * 5 + i), Bukkit.getWorlds().get(0), i, j));
-				//pxc = LibraryLoader.create(PXCLib.class).search(getDataFolder().getAbsolutePath()).load("pxc");
-				direct=true;
-				ccs.sendMessage("§bUsing Direct Renderer, all good");
-			} catch (NoClassDefFoundError | Exception e) {
-				for (short i = 0; i < 20; i++)
-					renderers.add(new BukkitRenderer(i, Bukkit.getWorlds().get(0), i * 128 * 128 * 4));
-				direct=false;
-				e.printStackTrace();
-				ccs.sendMessage("§6Compatibility error, using slower renderer");
-			}
-			ccs.sendMessage("§bLoaded!");
-			val mlpl = new MouseLockerPlayerListener();
-			mousetask = getServer().getScheduler().runTaskTimer(this, mlpl, 0, 0);
-			getServer().getPluginManager().registerEvents(mlpl, this);
-
-		} catch (final Exception e) {
-			e.printStackTrace();
-			error(e.getMessage());
-		}
-	}
-
-	private void error(String message) {
-		getLogger().severe("A fatal error occured, disabling plugin!");
-		Bukkit.getPluginManager().disablePlugin(this);
-		throw new RuntimeException(message);
-	}
-
-	// Fired when plugin is disabled
-	@Override
-	public void onDisable() {
-		ConsoleCommandSender ccs = getServer().getConsoleSender();
-		if (mousetask != null)
-			mousetask.cancel();
-		/*try {
-			source.unregisterListener(listener);
-		} catch (VBoxException e) { //"Listener was never registered"
-			e.printStackTrace(); - VBox claims the listener was never registered (can double register as well)
-		}*/
-		if (listener != null)
-			((VBoxEventHandler) listener.getTypedWrapped()).disable(); //The save progress wait locks with the event
-		if (Computer.getInstance() != null)
-			Computer.getInstance().pluginDisable(ccs);
-		ccs.sendMessage("§aHuh.");
-		saveConfig();
-	}
-
-}

VirtualComputer/src/main/java/sznp/virtualcomputer/events/VBoxEventHandler.java

@@ -1,34 +0,0 @@
-package sznp.virtualcomputer.events;
-
-import com.google.common.collect.ImmutableMap;
-import lombok.Getter;
-import org.bukkit.command.CommandSender;
-import org.bukkit.event.EventHandler;
-import org.virtualbox_6_0.ISessionStateChangedEvent;
-import org.virtualbox_6_0.SessionState;
-import org.virtualbox_6_0.VBoxEventType;
-import sznp.virtualcomputer.Computer;
-
-public class VBoxEventHandler extends EventHandlerBase {
-    public VBoxEventHandler() {
-        super(ImmutableMap.of(VBoxEventType.OnSessionStateChanged, ISessionStateChangedEvent.class));
-        instance = this;
-    }
-
-    @Getter
-    private static VBoxEventHandler instance;
-    private String machineID;
-    private CommandSender sender;
-
-    @EventHandler
-    public void onSessionStateChange(ISessionStateChangedEvent event) {
-        if (!event.getMachineId().equals(machineID)) return;
-        if (event.getState() == SessionState.Locked) //Need to check here, because we can't access the console yet
-            Computer.getInstance().onLock(sender);
-    }
-
-    public void setup(String machineID, CommandSender sender) {
-        this.machineID = machineID;
-        this.sender = sender;
-    }
-}

VirtualComputer/src/main/java/sznp/virtualcomputer/renderer/MCFrameBuffer.java

@@ -1,154 +0,0 @@
-package sznp.virtualcomputer.renderer;
-
-import com.sun.jna.Pointer;
-import org.bukkit.Bukkit;
-import org.bukkit.scheduler.BukkitTask;
-import org.mozilla.interfaces.IFramebuffer;
-import org.mozilla.interfaces.IFramebufferOverlay;
-import org.mozilla.interfaces.nsISupports;
-import org.mozilla.xpcom.Mozilla;
-import org.virtualbox_6_0.*;
-import sznp.virtualcomputer.PluginMain;
-import sznp.virtualcomputer.util.Timing;
-
-import java.util.Arrays;
-
-public class MCFrameBuffer implements IFramebuffer {
-	private IDisplay display;
-	private Holder<IDisplaySourceBitmap> holder = new Holder<>();
-
-	public MCFrameBuffer(IDisplay display, boolean VBoxDirect) { //TODO: Implement param
-		this.display = display;
-	}
-
-	@Override
-	public nsISupports queryInterface(String id) {
-		return Mozilla.queryInterface(this, id);
-	}
-
-	@Override
-	public long getBitsPerPixel() {
-		return 32;
-	}
-
-	@Override
-	public long getBytesPerLine() {
-		return 640L;
-	}
-
-	@Override
-	public long[] getCapabilities(long[] arg0) {
-		try {
-			System.out.println("Capabilities queried");
-			System.out.println("Capabilities: " + Arrays.toString(arg0));
-			return new long[]{FramebufferCapabilities.UpdateImage.value()};
-		}
-		catch(Exception e) {
-			e.printStackTrace();
-			return new long[]{};
-		}
-	}
-
-	@Override
-	public long getHeight() {
-		return 480;
-	}
-
-	@Override
-	public long getHeightReduction() {
-		return 0;
-	}
-
-	@Override
-	public IFramebufferOverlay getOverlay() {
-		return null;
-	}
-
-	@Override
-	public long getPixelFormat() {
-		return BitmapFormat.BGRA.value();
-	}
-
-	@Override
-	public long getVisibleRegion(byte arg0, long arg1) {
-		return 0;
-	}
-
-	@Override
-	public long getWidth() {
-		return 640;
-	}
-
-	@Override
-	public long getWinId() {
-		return 0; // Zero means no win id
-	}
-
-	@Override
-	public void notify3DEvent(long arg0, byte[] arg1) {
-	}
-
-	private BukkitTask tt;
-	private Pointer pointer;
-	private int width;
-	private int height;
-
-	@Override
-	public void notifyChange(long screenId, long xOrigin, long yOrigin, long width, long height) {
-		if (tt != null)
-			tt.cancel();
-		tt = Bukkit.getScheduler().runTaskAsynchronously(PluginMain.Instance, () -> {
-			try {
-				display.querySourceBitmap(0L, holder);
-				long[] ptr = new long[1], w = new long[1], h = new long[1], bpp = new long[1], bpl = new long[1], pf = new long[1];
-				holder.value.getTypedWrapped().queryBitmapInfo(ptr, w, h, bpp, bpl, pf);
-				if (PluginMain.direct) {
-					pointer = new Pointer(ptr[0]);
-					this.width = (int) w[0];
-					this.height = (int) h[0];
-					GPURenderer.update(pointer.getByteArray(0L, (int) (w[0] * h[0] * 4)), (int) w[0], (int) h[0], 0, 0, this.width, this.height);
-				} else {
-					PluginMain.allpixels = new Pointer(ptr[0]).getByteBuffer(0L, width * height * 4);
-					if (width * height > 640 * 480)
-						PluginMain.allpixels.limit(640 * 480 * 4);
-					else
-						PluginMain.allpixels.limit((int) (width * height * 4));
-				}
-			} catch (VBoxException e) {
-				if (e.getResultCode() == 0x80070005)
-					return; // Machine is being powered down
-				if (e.getResultCode() == 0x80004005) //The function "querySourceBitmap" returned an error condition: "Operation failed (NS_ERROR_FAILURE)"
-					System.out.println("I don't know why this happens, but stopping the computer helps.");
-				e.printStackTrace();
-			} catch (Throwable t) {
-				t.printStackTrace();
-			}
-		});
-	}
-
-	@Override
-	public void notifyUpdate(long x, long y, long width, long height) {
-		Timing t = new Timing();
-		GPURenderer.update(pointer.getByteArray(0L, this.width * this.height * 4), this.width, this.height, (int) x, (int) y, (int) width, (int) height);
-		if (t.elapsedMS() > 60) //Typically 1ms max
-			System.out.println("Update took " + t.elapsedMS() + "ms");
-	}
-
-	@Override
-	public void notifyUpdateImage(long arg0, long arg1, long arg2, long arg3, byte[] arg4) {
-		System.out.println("Update image!");
-	}
-
-	@Override
-	public void setVisibleRegion(byte arg0, long arg1) {
-	}
-
-	@Override
-	public void processVHWACommand(byte b, int i, boolean b1) {
-	}
-
-	@Override
-	public boolean videoModeSupported(long arg0, long arg1, long arg2) {
-		return true;
-	}
-}

VirtualComputer/src/main/java/sznp/virtualcomputer/util/Utils.java

@@ -1,61 +0,0 @@
-package sznp.virtualcomputer.util;
-
-import lombok.val;
-import org.mozilla.interfaces.IEventListener;
-import org.virtualbox_6_0.IEvent;
-import org.virtualbox_6_0.IEventSource;
-import org.virtualbox_6_0.VBoxEventType;
-import org.virtualbox_6_0.xpcom.IUnknown;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.util.Arrays;
-import java.util.List;
-
-public class Utils {
-    /**
-     * Adds the specified path to the java library path
-     *
-     * @param pathToAdd the path to add
-     * @throws Exception
-     */
-    public static void addLibraryPath(String pathToAdd) throws Exception {
-        final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
-        usrPathsField.setAccessible(true);
-
-        // get array of paths
-        final String[] paths = (String[]) usrPathsField.get(null);
-
-        // check if the path to add is already present
-        for (String path : paths) {
-            if (path.equals(pathToAdd)) {
-                return;
-            }
-        }
-
-        // add the new path
-        final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
-        newPaths[newPaths.length - 1] = pathToAdd;
-        usrPathsField.set(null, newPaths);
-    }
-
-    //public static void registerListener(IEventSource source, IEventListener listener, VBoxEventType... types) {
-    public static org.virtualbox_6_0.IEventListener registerListener(IEventSource source, IEventListener listener, List<VBoxEventType> types) {
-        val ret = new org.virtualbox_6_0.IEventListener(listener);
-        source.registerListener(ret, types, true);
-        return ret;
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T extends IEvent> T getEvent(org.mozilla.interfaces.IEvent event, Class<T> cl) {
-        //if (event.getType() != type.value()) return null;
-        //return (T) T.queryInterface(new IEvent(event)); - Probably won't work
-        try {
-            val method = cl.getMethod("queryInterface", IUnknown.class);
-            return (T) method.invoke(null, new IEvent(event));
-        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
-            e.printStackTrace();
-            return null;
-        }
-    }
-}

VirtualComputerMSCOM/pom.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>VirtualComputer-MSCOM</artifactId>
+    <version>2.1-SNAPSHOT</version>
+
+    <parent>
+        <groupId>io.github.NorbiPeti</groupId>
+        <artifactId>VirtualComputer</artifactId>
+        <version>2.1-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.virtualbox</groupId>
+            <artifactId>VirtualBox-MSCOM</artifactId>
+            <version>6.1</version>
+            <optional>true
+            </optional> <!-- https://maven.apache.org/guides/introduction/introduction-to-optional-and-excludes-dependencies.html -->
+        </dependency>
+        <dependency>
+            <groupId>net.sf.jacob-project</groupId>
+            <artifactId>jacob</artifactId>
+            <version>1.19</version>
+        </dependency>
+    </dependencies>
+
+</project>

VirtualComputerMSCOM/src/main/java/sznp/virtualcomputer/COMFrameBuffer.java

@@ -0,0 +1,97 @@
+package sznp.virtualcomputer;
+
+import lombok.RequiredArgsConstructor;
+import org.virtualbox_6_1.BitmapFormat;
+import org.virtualbox_6_1.FramebufferCapabilities;
+import org.virtualbox_6_1.IFramebufferOverlay;
+import sznp.virtualcomputer.util.IMCFrameBuffer;
+
+import java.util.Arrays;
+
+@RequiredArgsConstructor
+public class COMFrameBuffer {
+	private final IMCFrameBuffer frameBuffer;
+
+	public long getBitsPerPixel() {
+		return 32;
+	}
+
+	public long getBytesPerLine() {
+		return 640L;
+	}
+
+	public long[] getCapabilities(long[] arg0) {
+		try {
+			System.out.println("Capabilities queried");
+			System.out.println("Capabilities: " + Arrays.toString(arg0));
+			return new long[]{FramebufferCapabilities.UpdateImage.value()};
+		} catch (Exception e) {
+			e.printStackTrace();
+			return new long[]{};
+		}
+	}
+
+	public long getHeight() {
+		return 480;
+	}
+
+	public long getHeightReduction() {
+		return 0;
+	}
+
+	public IFramebufferOverlay getOverlay() {
+		return null;
+	}
+
+	public long getPixelFormat() {
+		return BitmapFormat.BGRA.value();
+	}
+
+	public long getVisibleRegion(byte arg0, long arg1) {
+		return 0;
+	}
+
+	public long getWidth() {
+		return 640;
+	}
+
+	public long getWinId() {
+		return 0; // Zero means no win id
+	}
+
+	public void notify3DEvent(long type, byte[] data) {
+		System.out.println("3D event! " + type + " - " + Arrays.toString(data));
+	}
+
+	public void notifyChange(long screenId, long xOrigin, long yOrigin, long width, long height) {
+		frameBuffer.notifyChange(screenId, xOrigin, yOrigin, width, height);
+	}
+
+	public void notifyUpdate(long x, long y, long width, long height) {
+		frameBuffer.notifyUpdate(x, y, width, height);
+	}
+
+	public void notifyUpdateImage(long arg0, long arg1, long arg2, long arg3, byte[] arg4) {
+		frameBuffer.notifyUpdateImage(arg0, arg1, arg2, arg3, arg4);
+	}
+
+	public void setVisibleRegion(byte arg0, long arg1) {
+	}
+
+	/**
+	 * Posts a Video HW Acceleration Command to the frame buffer for processing.<br />
+	 * <br />
+	 * The commands used for 2D video acceleration (DDraw surface creation/destroying, blitting, scaling, color conversion, overlaying, etc.) are posted from quest to the host to be processed by the host hardware.
+	 *
+	 * @param command   Pointer to VBOXVHWACMD containing the command to execute.
+	 * @param enmCmd    The validated VBOXVHWACMD::enmCmd value from the command.
+	 * @param fromGuest Set when the command origins from the guest, clear if host.
+	 */ //https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Frontends/VirtualBox/src/VBoxFBOverlay.cpp#L4645
+	public void processVHWACommand(byte command, int enmCmd, boolean fromGuest) {
+
+	}
+
+	public boolean videoModeSupported(long arg0, long arg1, long arg2) {
+		return true;
+	}
+}

VirtualComputerMSCOM/src/main/java/sznp/virtualcomputer/EventHandler.java

@@ -0,0 +1,32 @@
+package sznp.virtualcomputer;
+
+import org.virtualbox_6_1.IEvent;
+import sznp.virtualcomputer.util.COMObjectBase;
+import sznp.virtualcomputer.util.IEventHandler;
+
+/**
+ * A Bukkit-like event system which calls the appropriate methods on an event.
+ */
+public final class EventHandler extends COMObjectBase {
+    private final IEventHandler handler;
+	private boolean enabled = true;
+
+	/**
+	 * New MSCOM event handler.
+	 *
+	 * @param handler The handle method that handles what needs to be handled
+	 */
+    public EventHandler(IEventHandler handler) {
+		this.handler = handler;
+	}
+
+	public final void handleEvent(IEvent iEvent) {
+		if (!enabled)
+			return;
+        handler.handleEvent(iEvent);
+	}
+
+	public void disable() {
+		enabled = false;
+	}
+}

VirtualComputerMSCOM/src/main/java/sznp/virtualcomputer/util/COMObjectBase.java

@@ -0,0 +1,10 @@
+package sznp.virtualcomputer.util;
+
+import com.jacob.com.Dispatch;
+import com.jacob.com.Variant;
+
+public abstract class COMObjectBase extends Dispatch {
+    public COMObjectBase() {
+        super("clsid:{67099191-32E7-4F6C-85EE-422304C71B90}");
+    }
+}

VirtualComputerMSCOM/src/main/java/sznp/virtualcomputer/util/COMUtils.java

@@ -0,0 +1,52 @@
+package sznp.virtualcomputer.util;
+
+import com.jacob.activeX.ActiveXComponent;
+import com.jacob.com.*;
+import lombok.val;
+import org.virtualbox_6_1.*;
+import org.virtualbox_6_1.mscom.Helper;
+import org.virtualbox_6_1.mscom.IUnknown;
+import sznp.virtualcomputer.COMFrameBuffer;
+import sznp.virtualcomputer.EventHandler;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+
+public final class COMUtils {
+    private COMUtils() {
+    }
+
+    //public static void registerListener(IEventSource source, IEventListener listener, VBoxEventType... types) {
+    public static org.virtualbox_6_1.IEventListener registerListener(IEventSource source, IEventHandler listener, List<VBoxEventType> types) {
+        //new DispatchEvents(source.getTypedWrapped(), listener);
+        val ret = new org.virtualbox_6_1.IEventListener(new EventHandler(listener));
+        /*com.jacob.activeX.ActiveXComponent.createNewInstance("IEventListener");
+        new ActiveXComponent("");
+        source.registerListener(ret, types, true);*/
+        //registerListener(source, new EventHandler(listener), types, true);
+        System.out.println("Testing listener...");
+        ret.handleEvent(null);
+        System.out.println("Tested");
+        return ret;
+        //return null;
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T extends IEvent> T getEvent(IEvent event, Class<T> cl) {
+        try {
+            val method = cl.getMethod("queryInterface", IUnknown.class);
+            return (T) method.invoke(null, event);
+        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public static IFramebuffer gimmeAFramebuffer(IMCFrameBuffer frameBuffer) {
+        return new IFramebuffer(new Variant(new COMFrameBuffer(frameBuffer)).getDispatch());
+    }
+
+    public static void queryBitmapInfo(IDisplaySourceBitmap bitmap, long[] ptr, long[] w, long[] h, long[] bpp, long[] bpl, long[] pf) {
+        Dispatch.call(bitmap.getTypedWrapped(), "queryBitmapInfo", ptr, w, h, bpp, bpl, pf);
+    }
+}

VirtualComputerMSCOM/src/main/java/sznp/virtualcomputer/util/IEventHandler.java

@@ -0,0 +1,7 @@
+package sznp.virtualcomputer.util;
+
+import org.virtualbox_6_1.IEvent;
+
+public interface IEventHandler {
+	void handleEvent(IEvent iEvent);
+}

VirtualComputerMSCOM/src/main/java/sznp/virtualcomputer/util/IMCFrameBuffer.java

@@ -0,0 +1,9 @@
+package sznp.virtualcomputer.util;
+
+public interface IMCFrameBuffer {
+	void notifyUpdate(long x, long y, long width, long height);
+
+	void notifyUpdateImage(long x, long y, long width, long height, byte[] image);
+
+	void notifyChange(long screenId, long xOrigin, long yOrigin, long width, long height);
+}

VirtualComputerXPCOM/pom.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>VirtualComputer</artifactId>
+        <groupId>io.github.NorbiPeti</groupId>
+        <version>2.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>VirtualComputer-XPCOM</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.virtualbox</groupId>
+            <artifactId>VirtualBox</artifactId>
+            <version>6.1</version>
+            <optional>true
+            </optional> <!-- https://maven.apache.org/guides/introduction/introduction-to-optional-and-excludes-dependencies.html -->
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-shade-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <artifactSet>
+                        <includes>
+                            <include>org.virtualbox:VirtualBox</include>
+                        </includes>
+                    </artifactSet>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

VirtualComputerXPCOM/src/main/java/sznp/virtualcomputer/COMFrameBuffer.java

@@ -0,0 +1,122 @@
+package sznp.virtualcomputer;
+
+import lombok.RequiredArgsConstructor;
+import org.mozilla.interfaces.IFramebuffer;
+import org.mozilla.interfaces.IFramebufferOverlay;
+import org.mozilla.interfaces.nsISupports;
+import org.mozilla.xpcom.Mozilla;
+import org.virtualbox_6_1.BitmapFormat;
+import org.virtualbox_6_1.FramebufferCapabilities;
+import sznp.virtualcomputer.util.IMCFrameBuffer;
+
+import java.util.Arrays;
+
+@RequiredArgsConstructor
+public class COMFrameBuffer implements IFramebuffer {
+	private final IMCFrameBuffer frameBuffer;
+
+	@Override
+	public nsISupports queryInterface(String id) {
+		return Mozilla.queryInterface(this, id);
+	}
+
+	@Override
+	public long getBitsPerPixel() {
+		return 32;
+	}
+
+	@Override
+	public long getBytesPerLine() {
+		return 640L;
+	}
+
+	@Override
+	public long[] getCapabilities(long[] arg0) {
+		try {
+			System.out.println("Capabilities queried");
+			System.out.println("Capabilities: " + Arrays.toString(arg0));
+			return new long[]{FramebufferCapabilities.UpdateImage.value()};
+		} catch (Exception e) {
+			e.printStackTrace();
+			return new long[]{};
+		}
+	}
+
+	@Override
+	public long getHeight() {
+		return 480;
+	}
+
+	@Override
+	public long getHeightReduction() {
+		return 0;
+	}
+
+	@Override
+	public IFramebufferOverlay getOverlay() {
+		return null;
+	}
+
+	@Override
+	public long getPixelFormat() {
+		return BitmapFormat.BGRA.value();
+	}
+
+	@Override
+	public long getVisibleRegion(byte arg0, long arg1) {
+		return 0;
+	}
+
+	@Override
+	public long getWidth() {
+		return 640;
+	}
+
+	@Override
+	public long getWinId() {
+		return 0; // Zero means no win id
+	}
+
+	@Override
+	public void notify3DEvent(long type, byte[] data) {
+		System.out.println("3D event! " + type + " - " + Arrays.toString(data));
+	}
+
+	@Override
+	public void notifyChange(long screenId, long xOrigin, long yOrigin, long width, long height) {
+		frameBuffer.notifyChange(screenId, xOrigin, yOrigin, width, height);
+	}
+
+	@Override
+	public void notifyUpdate(long x, long y, long width, long height) {
+		frameBuffer.notifyUpdate(x, y, width, height);
+	}
+
+	@Override
+	public void notifyUpdateImage(long arg0, long arg1, long arg2, long arg3, byte[] arg4) {
+		frameBuffer.notifyUpdateImage(arg0, arg1, arg2, arg3, arg4);
+	}
+
+	@Override
+	public void setVisibleRegion(byte arg0, long arg1) {
+	}
+
+	/**
+	 * Posts a Video HW Acceleration Command to the frame buffer for processing.<br />
+	 * <br />
+	 * The commands used for 2D video acceleration (DDraw surface creation/destroying, blitting, scaling, color conversion, overlaying, etc.) are posted from quest to the host to be processed by the host hardware.
+	 *
+	 * @param command   Pointer to VBOXVHWACMD containing the command to execute.
+	 * @param enmCmd    The validated VBOXVHWACMD::enmCmd value from the command.
+	 * @param fromGuest Set when the command origins from the guest, clear if host.
+	 */ //https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Frontends/VirtualBox/src/VBoxFBOverlay.cpp#L4645
+	@Override
+	public void processVHWACommand(byte command, int enmCmd, boolean fromGuest) {
+
+	}
+
+	@Override
+	public boolean videoModeSupported(long arg0, long arg1, long arg2) {
+		return true;
+	}
+}

VirtualComputerXPCOM/src/main/java/sznp/virtualcomputer/EventHandler.java

@@ -0,0 +1,34 @@
+package sznp.virtualcomputer;
+
+import org.mozilla.interfaces.IEvent;
+import org.mozilla.interfaces.IEventListener;
+import sznp.virtualcomputer.util.COMObjectBase;
+import sznp.virtualcomputer.util.IEventHandler;
+
+/**
+ * A Bukkit-like event system which calls the appropriate methods on an event.
+ */
+public final class EventHandler extends COMObjectBase implements IEventListener {
+    private final IEventHandler handler;
+	private boolean enabled = true;
+
+	/**
+	 * New XPCOM event handler.
+	 *
+	 * @param handler The handle method that handles what needs to be handled
+	 */
+    public EventHandler(IEventHandler handler) {
+		this.handler = handler;
+	}
+
+	@Override
+	public final void handleEvent(IEvent iEvent) {
+		if (!enabled)
+			return;
+        handler.handleEvent(new org.virtualbox_6_1.IEvent(iEvent));
+	}
+
+	public void disable() {
+		enabled = false;
+	}
+}

VirtualComputerXPCOM/src/main/java/sznp/virtualcomputer/util/COMUtils.java

@@ -0,0 +1,41 @@
+package sznp.virtualcomputer.util;
+
+import lombok.val;
+import org.virtualbox_6_1.*;
+import org.virtualbox_6_1.xpcom.IUnknown;
+import sznp.virtualcomputer.COMFrameBuffer;
+import sznp.virtualcomputer.EventHandler;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+
+public final class COMUtils {
+    private COMUtils() {
+    }
+
+    //public static void registerListener(IEventSource source, IEventListener listener, VBoxEventType... types) {
+    public static org.virtualbox_6_1.IEventListener registerListener(IEventSource source, IEventHandler listener, List<VBoxEventType> types) {
+        val ret = new org.virtualbox_6_1.IEventListener(new EventHandler(listener));
+        source.registerListener(ret, types, true);
+        return ret;
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T extends IEvent> T getEvent(IEvent event, Class<T> cl) {
+        try {
+            val method = cl.getMethod("queryInterface", IUnknown.class);
+            return (T) method.invoke(null, event);
+        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public static IFramebuffer gimmeAFramebuffer(IMCFrameBuffer frameBuffer) {
+        return new IFramebuffer(new COMFrameBuffer(frameBuffer));
+    }
+
+    public static void queryBitmapInfo(IDisplaySourceBitmap bitmap, long[] ptr, long[] w, long[] h, long[] bpp, long[] bpl, long[] pf) {
+        bitmap.getTypedWrapped().queryBitmapInfo(ptr, w, h, bpp, bpl, pf);
+    }
+}

VirtualComputerXPCOM/src/main/java/sznp/virtualcomputer/util/IEventHandler.java

@@ -0,0 +1,7 @@
+package sznp.virtualcomputer.util;
+
+import org.virtualbox_6_1.IEvent;
+
+public interface IEventHandler {
+	void handleEvent(IEvent iEvent);
+}

VirtualComputerXPCOM/src/main/java/sznp/virtualcomputer/util/IMCFrameBuffer.java

@@ -0,0 +1,9 @@
+package sznp.virtualcomputer.util;
+
+public interface IMCFrameBuffer {
+	void notifyUpdate(long x, long y, long width, long height);
+
+	void notifyUpdateImage(long x, long y, long width, long height, byte[] image);
+
+	void notifyChange(long screenId, long xOrigin, long yOrigin, long width, long height);
+}

pom.xml

@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.github.NorbiPeti</groupId>
+    <artifactId>VirtualComputer</artifactId>
+    <version>2.1-SNAPSHOT</version>
+    <modules>
+        <module>VirtualComputerXPCOM</module>
+        <module>VirtualComputer-Core</module>
+        <module>VirtualComputerMSCOM</module>
+    </modules>
+    <packaging>pom</packaging>
+
+    <name>VirtualComputer</name>
+    <url>https://github.com/NorbiPeti/VirtualComputer</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <repositories>
+        <repository>
+            <id>repo</id>
+            <url>file://${basedir}/../repo</url>
+        </repository>
+        <repository>
+            <id>spigot-repo</id>
+            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+        </repository>
+        <repository>
+            <id>jitpack</id>
+            <url>https://jitpack.io/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.12</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/net.java.dev.jna/jna -->
+        <dependency>
+            <groupId>net.java.dev.jna</groupId>
+            <artifactId>jna</artifactId>
+            <version>4.4.0</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/com.github.jnr/jnr-ffi -->
+        <dependency>
+            <groupId>com.github.jnr</groupId>
+            <artifactId>jnr-ffi</artifactId>
+            <version>2.1.16</version>
+        </dependency>
+        <dependency> <!-- javax.annotations.Nullable -->
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>jsr305</artifactId>
+            <version>3.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot-api</artifactId>
+            <version>1.14.4-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- <dependency> !- Not using anything from here directly so we're not that dependent on versions -
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot</artifactId>
+            <version>1.16.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency> -->
+        <dependency>
+            <groupId>com.github.TBMCPlugins.ChromaCore</groupId>
+            <artifactId>Chroma-Core</artifactId>
+            <version>v1.0.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+            <plugins>
+                <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
+                <plugin>
+                    <artifactId>maven-clean-plugin</artifactId>
+                    <version>3.1.0</version>
+                </plugin>
+                <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
+                <plugin>
+                    <artifactId>maven-resources-plugin</artifactId>
+                    <version>3.0.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.8.0</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>2.22.1</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <version>3.0.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-install-plugin</artifactId>
+                    <version>2.5.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-deploy-plugin</artifactId>
+                    <version>2.8.2</version>
+                </plugin>
+                <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
+                <plugin>
+                    <artifactId>maven-site-plugin</artifactId>
+                    <version>3.7.1</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-project-info-reports-plugin</artifactId>
+                    <version>3.0.0</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+</project>

repo/net/sf/jacob-project/jacob/1.19/jacob-1.19.pom

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>net.sf.jacob-project</groupId>
+  <artifactId>jacob</artifactId>
+  <version>1.19</version>
+  <description>POM was created from install:install-file</description>
+</project>

repo/net/sf/jacob-project/jacob/maven-metadata-local.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+  <groupId>net.sf.jacob-project</groupId>
+  <artifactId>jacob</artifactId>
+  <versioning>
+    <release>1.19</release>
+    <versions>
+      <version>1.19</version>
+    </versions>
+    <lastUpdated>20200811112851</lastUpdated>
+  </versioning>
+</metadata>

repo/org/virtualbox/VirtualBox-MSCOM/6.1/VirtualBox-MSCOM-6.1.pom

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.virtualbox</groupId>
-  <artifactId>VirtualBox</artifactId>
-  <version>5.1</version>
+  <artifactId>VirtualBox-MSCOM</artifactId>
+  <version>6.1</version>
   <description>POM was created from install:install-file</description>
 </project>

repo/org/virtualbox/VirtualBox-MSCOM/maven-metadata-local.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+  <groupId>org.virtualbox</groupId>
+  <artifactId>VirtualBox-MSCOM</artifactId>
+  <versioning>
+    <release>6.1</release>
+    <versions>
+      <version>6.0</version>
+      <version>6.1</version>
+    </versions>
+    <lastUpdated>20200731215317</lastUpdated>
+  </versioning>
+</metadata>

repo/org/virtualbox/VirtualBox/5.1/VirtualBox-5.1.pom

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.virtualbox</groupId>
+    <artifactId>VirtualBox</artifactId>
+    <version>5.1</version>
+    <description>POM was created from install:install-file</description>
+</project>

repo/org/virtualbox/VirtualBox/5.2/VirtualBox-5.2.pom

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.virtualbox</groupId>
+    <artifactId>VirtualBox</artifactId>
+    <version>5.2</version>
+    <description>POM was created from install:install-file</description>
+</project>

repo/org/virtualbox/VirtualBox/6.1/VirtualBox-6.1.pom

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.virtualbox</groupId>
   <artifactId>VirtualBox</artifactId>
-  <version>5.2</version>
+  <version>6.1</version>
   <description>POM was created from install:install-file</description>
 </project>

repo/org/virtualbox/VirtualBox/maven-metadata-local.xml

@@ -3,12 +3,13 @@
   <groupId>org.virtualbox</groupId>
   <artifactId>VirtualBox</artifactId>
   <versioning>
-      <release>6.0</release>
+    <release>6.1</release>
     <versions>
       <version>5.1</version>
       <version>5.2</version>
-        <version>6.0</version>
+      <version>6.0</version>
+      <version>6.1</version>
     </versions>
-      <lastUpdated>20181221211412</lastUpdated>
+    <lastUpdated>20200811171440</lastUpdated>
   </versioning>
 </metadata>