From 61d48be57945839617ef603a85225b26ecfa7d96 Mon Sep 17 00:00:00 2001
From: Speiger <Speiger@gmx.net>
Date: Fri, 17 May 2024 18:46:56 +0200
Subject: [PATCH] Finished Input Devices

---
 .../speiger/src/coreengine/NewInputTest.java  | 24 ++++++++--
 .../rendering/input/devices/FileDrop.java     | 47 +++++++++++++++++++
 .../rendering/input/devices/Keyboard.java     |  1 +
 .../rendering/input/devices/Mouse.java        |  4 +-
 .../rendering/input/events/FileEvents.java    | 28 +++++++++++
 .../rendering/input/events/MouseEvent.java    |  2 +
 .../rendering/input/window/Window.java        |  4 ++
 .../rendering/input/window/WindowManager.java | 19 +++++++-
 .../coreengine/utils/eventbus/EventBus.java   |  5 +-
 9 files changed, 125 insertions(+), 9 deletions(-)
 create mode 100644 src/main/java/speiger/src/coreengine/rendering/input/devices/FileDrop.java
 create mode 100644 src/main/java/speiger/src/coreengine/rendering/input/events/FileEvents.java

diff --git a/src/main/java/speiger/src/coreengine/NewInputTest.java b/src/main/java/speiger/src/coreengine/NewInputTest.java
index e54c75a..396c0d0 100644
--- a/src/main/java/speiger/src/coreengine/NewInputTest.java
+++ b/src/main/java/speiger/src/coreengine/NewInputTest.java
@@ -2,13 +2,18 @@ package speiger.src.coreengine;
 
 import org.lwjgl.glfw.GLFW;
 
+import speiger.src.coreengine.rendering.input.devices.FileDrop;
 import speiger.src.coreengine.rendering.input.devices.Joystick;
-import speiger.src.coreengine.rendering.input.devices.Joystick.ButtonData;
+import speiger.src.coreengine.rendering.input.devices.Keyboard;
+import speiger.src.coreengine.rendering.input.devices.Mouse;
+import speiger.src.coreengine.rendering.input.window.Window;
+import speiger.src.coreengine.rendering.input.window.WindowManager;
 import speiger.src.coreengine.utils.eventbus.EventBus;
 
 public class NewInputTest {
 	
 	EventBus bus = new EventBus();
+	WindowManager manager = new WindowManager();
 	
 	public static void main(String[] args) {
 		new NewInputTest().run();
@@ -16,10 +21,21 @@ public class NewInputTest {
 	
 	public void run() {
 		GLFW.glfwInit();
-		Joystick.INSTANCE.init(bus);
-		ButtonData data = new ButtonData();
+		manager.initialize();
+		Mouse.INSTANCE.init(bus);
+		Keyboard.INSTANCE.init(bus);
+		Joystick.INSTANCE.init(manager, bus);
+		FileDrop.INSTANCE.init(bus);
+		manager.addDevices(Mouse.INSTANCE, Keyboard.INSTANCE, Joystick.INSTANCE, FileDrop.INSTANCE);
+		Window window = manager.builder().title("Testing Engine").build();
+		window.visible(true);
+		//TODO implement window close requests
 		while(true) {
-			Joystick.INSTANCE.handleJoystick(0, GLFW.GLFW_JOYSTICK_1, data);
+			GLFW.glfwPollEvents();
+			window.update();
+			window.handleInput();
+			window.finishFrame();
+			
 			try {
 				Thread.sleep(100);
 			}
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/devices/FileDrop.java b/src/main/java/speiger/src/coreengine/rendering/input/devices/FileDrop.java
new file mode 100644
index 0000000..15dda30
--- /dev/null
+++ b/src/main/java/speiger/src/coreengine/rendering/input/devices/FileDrop.java
@@ -0,0 +1,47 @@
+package speiger.src.coreengine.rendering.input.devices;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+
+import org.lwjgl.glfw.GLFW;
+import org.lwjgl.glfw.GLFWDropCallback;
+
+import speiger.src.collections.objects.lists.ObjectArrayList;
+import speiger.src.coreengine.rendering.input.devices.FileDrop.DropTask;
+import speiger.src.coreengine.rendering.input.events.FileEvents;
+import speiger.src.coreengine.rendering.input.window.Window;
+
+public class FileDrop extends AbstractDevice<Void, DropTask> {
+	public static final FileDrop INSTANCE = new FileDrop();
+	
+	@Override
+	protected void registerCallbacks(Window window) {
+		super.registerCallbacks(window);
+		window.addCallback(this::drop, GLFW::glfwSetDropCallback);
+	}
+	
+	private void drop(long windowId, int count, long names) {
+		List<Path> paths = new ObjectArrayList<>();
+		for(int i = 0;i<count;i++) {
+			Path path = Path.of(GLFWDropCallback.getName(names, i));
+			if(Files.notExists(path)) continue;
+			paths.add(path);
+		}
+		if(paths.isEmpty()) return;
+		push(windowId, new DropTask(windowId, paths.toArray(Path[]::new)));
+	}
+	
+	@Override
+	public void reset(long windowId) {}
+	@Override
+	protected Void createData(long windowId) { return null; }
+	@Override
+	protected void process(DropTask task) {
+		int x = Mouse.INSTANCE.x(task.windowId());
+		int y = Mouse.INSTANCE.y(task.windowId());
+		pushEvent(new FileEvents.Drop(task.windowId(), x, y, task.files()));
+	}
+	
+	public record DropTask(long windowId, Path[] files) {}
+}
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/devices/Keyboard.java b/src/main/java/speiger/src/coreengine/rendering/input/devices/Keyboard.java
index 52b3c95..45ff918 100644
--- a/src/main/java/speiger/src/coreengine/rendering/input/devices/Keyboard.java
+++ b/src/main/java/speiger/src/coreengine/rendering/input/devices/Keyboard.java
@@ -11,6 +11,7 @@ import speiger.src.coreengine.rendering.input.events.KeyEvent.Key;
 import speiger.src.coreengine.rendering.input.window.Window;
 
 public class Keyboard extends AbstractDevice<KeyData, KeyTask> {
+	public static final Keyboard INSTANCE = new Keyboard();
 	@Override
 	public void reset(long windowId) {}
 	@Override
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/devices/Mouse.java b/src/main/java/speiger/src/coreengine/rendering/input/devices/Mouse.java
index 8fc002e..c3e4b00 100644
--- a/src/main/java/speiger/src/coreengine/rendering/input/devices/Mouse.java
+++ b/src/main/java/speiger/src/coreengine/rendering/input/devices/Mouse.java
@@ -59,12 +59,12 @@ public class Mouse extends AbstractDevice<MouseData, MouseTask> {
 	
 	public int x(long windowId) {
 		MouseData data = get(windowId);
-		return data == null ? 0 : data.position.x();
+		return data == null ? 0 : data.x();
 	}
 	
 	public int y(long windowId) {
 		MouseData data = get(windowId);
-		return data == null ? 0 : data.position.y();
+		return data == null ? 0 : data.y();
 	}
 	
 	public boolean pressed(long windowId, int button) {
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/events/FileEvents.java b/src/main/java/speiger/src/coreengine/rendering/input/events/FileEvents.java
new file mode 100644
index 0000000..9ac0eee
--- /dev/null
+++ b/src/main/java/speiger/src/coreengine/rendering/input/events/FileEvents.java
@@ -0,0 +1,28 @@
+package speiger.src.coreengine.rendering.input.events;
+
+import java.nio.file.Path;
+
+public class FileEvents {
+	public static class Drop extends MouseEvent {
+		Path[] files;
+		String[] extension;
+		String[] name;
+		
+		public Drop(long window, int x, int y, Path[] files) {
+			super(window, x, y);
+			this.files = files;
+			this.extension = new String[files.length];
+			this.name = new String[files.length];
+			for(int i = 0,m=files.length;i<m;i++) {
+				String name = files[i].getFileName().toString();
+				this.name[i] = name;
+				this.extension[i] = name.substring(name.lastIndexOf(".")+1);
+			}
+		}
+		
+		public int size() { return files.length; }
+		public Path file(int index) { return files[index]; }
+		public String extension(int index) { return extension[index]; }
+		public String name(int index) { return name[index]; }
+	}
+}
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/events/MouseEvent.java b/src/main/java/speiger/src/coreengine/rendering/input/events/MouseEvent.java
index fdfd70a..243b2df 100644
--- a/src/main/java/speiger/src/coreengine/rendering/input/events/MouseEvent.java
+++ b/src/main/java/speiger/src/coreengine/rendering/input/events/MouseEvent.java
@@ -28,6 +28,8 @@ public abstract class MouseEvent extends Event {
 		y = originY;
 	}
 	
+	//TODO implement support for Scaling
+	
 	@Override
 	public boolean isCancelable() { return true; }
 	public boolean isForced() { return false; }
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/window/Window.java b/src/main/java/speiger/src/coreengine/rendering/input/window/Window.java
index 0bf5a1a..b478f26 100644
--- a/src/main/java/speiger/src/coreengine/rendering/input/window/Window.java
+++ b/src/main/java/speiger/src/coreengine/rendering/input/window/Window.java
@@ -142,6 +142,10 @@ public class Window {
 		if(flags.isFlagSet(WINDOW_CHANGE)) updateViewport();
 	}
 	
+	public void handleInput() {
+		manager.processDevices(id);
+	}
+	
 	public void finishFrame() {
 		GLFW.glfwSwapBuffers(id);
 	}
diff --git a/src/main/java/speiger/src/coreengine/rendering/input/window/WindowManager.java b/src/main/java/speiger/src/coreengine/rendering/input/window/WindowManager.java
index b802228..d561179 100644
--- a/src/main/java/speiger/src/coreengine/rendering/input/window/WindowManager.java
+++ b/src/main/java/speiger/src/coreengine/rendering/input/window/WindowManager.java
@@ -38,7 +38,13 @@ public class WindowManager {
 	public WindowBuilder builder() { return new WindowBuilder(this); }
 	private Window create(WindowBuilder builder) { return new Window(builder); }
 	
-	public void addDevice(InputDevice device) { devices.add(device); }
+	public void addDevices(InputDevice...devices) {
+		for(InputDevice device : devices) addDevice(device);
+	}
+	public void addDevice(InputDevice device) {
+		devices.add(device);
+		windows.values().forEach(device::register);
+	}
 	public void removeDevice(InputDevice device) { devices.remove(device); }
 	public void processDevices(long windowId) {
 		for(int i = 0,m=devices.size();i<m;i++) {
@@ -62,6 +68,9 @@ public class WindowManager {
 	
 	void addWindow(Window window) {
 		windows.put(window.id(), window);
+		for(int i = 0,m=devices.size();i<m;i++) {
+			devices.get(i).register(window);
+		}
 	}
 	
 	void updateWindow(long oldId) {
@@ -75,6 +84,14 @@ public class WindowManager {
 		else if(activeWindow == window) activeWindow = null;
 	}
 	
+	void updateInputs(long windowId) {
+		for(int i = 0,m=devices.size();i<m;i++) {
+			InputDevice device = devices.get(i);
+			device.reset(windowId);
+			device.processInput(windowId);
+		}
+	}
+	
 	public void destroy() {
 		callbacks.forEach(WindowCallback::destroy);
 		callbacks.clear();
diff --git a/src/main/java/speiger/src/coreengine/utils/eventbus/EventBus.java b/src/main/java/speiger/src/coreengine/utils/eventbus/EventBus.java
index edf8583..c100e2a 100644
--- a/src/main/java/speiger/src/coreengine/utils/eventbus/EventBus.java
+++ b/src/main/java/speiger/src/coreengine/utils/eventbus/EventBus.java
@@ -5,19 +5,19 @@ import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodHandles.Lookup;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Consumer;
 import java.util.function.Function;
 
 import speiger.src.collections.objects.lists.ObjectArrayList;
 import speiger.src.collections.objects.maps.impl.concurrent.Object2ObjectConcurrentOpenHashMap;
+import speiger.src.collections.objects.maps.impl.hash.Object2ObjectOpenHashMap;
 import speiger.src.collections.objects.maps.interfaces.Object2ObjectMap;
 import speiger.src.collections.objects.utils.ObjectLists;
 
 public class EventBus
 {
 	private static final Lookup LOOKUP = MethodHandles.lookup();
-	Map<Class<? extends Event>, Listeners> listeners = new ConcurrentHashMap<>();
+	Map<Class<? extends Event>, Listeners> listeners = new Object2ObjectOpenHashMap<Class<? extends Event>, Listeners>().synchronize();
 	Object2ObjectMap<Object, List<EventListener>> instances = new Object2ObjectConcurrentOpenHashMap<>();
 	
 	public <T extends Event> void register(Class<T> event, Consumer<T> listener) {
@@ -86,6 +86,7 @@ public class EventBus
 	
 	public void post(Event event) {
 		Consumer<Event>[] listeners = getListeners(event.getClass()).getListeners();
+		System.out.println("Event: "+event);
 		if(listeners.length <= 0) return;
 		int index = 0;
 		try {