Refactored movement controls

- Movement control code is now in its own class
- Movement direction controls are now more bug-resistant
  - No longer event-driven; uses InputTracker instead
  - Temporarily? function with menus open
- Other movement controls are now registered local Controls
- Removed flying and sprinting indicators from F3 layer
- TestPlayerControls is now a singleton
  - resetInstance() now resets the instance's fields

src/main/java/ru/windcorp/progressia/client/comms/controls/ControlTriggers.java

@@ -143,20 +143,6 @@ public class ControlTriggers {
 		);
 	}
 	
-	//
-	//
-	///
-	///
-	//
-	//
-	//
-	//
-	//
-	//
-	//
-	//
-	//
-	
 	public static ControlTriggerInputBased localOf(
 		String id,
 		Consumer<InputEvent> action,

src/main/java/ru/windcorp/progressia/test/LayerTestGUI.java

@@ -58,22 +58,6 @@ public class LayerTestGUI extends GUILayer {
 
 		TestPlayerControls tpc = TestPlayerControls.getInstance();
 
-		group.addChild(
-			new Label(
-				"IsFlyingDisplay",
-				font,
-				tmp_dynFormat("LayerTestGUI.IsFlyingDisplay", tpc::isFlying)
-			)
-		);
-
-		group.addChild(
-			new Label(
-				"IsSprintingDisplay",
-				font,
-				tmp_dynFormat("LayerTestGUI.IsSprintingDisplay", tpc::isSprinting)
-			)
-		);
-
 		group.addChild(
 			new Label(
 				"CameraModeDisplay",

src/main/java/ru/windcorp/progressia/test/TestContent.java

@@ -29,12 +29,16 @@ import java.util.List;
 import java.util.Set;
 import java.util.function.Consumer;
 
+import org.lwjgl.glfw.GLFW;
+
 import glm.vec._3.i.Vec3i;
 import ru.windcorp.progressia.client.ClientState;
 import ru.windcorp.progressia.client.audio.Sound;
 import ru.windcorp.progressia.client.comms.controls.*;
+import ru.windcorp.progressia.client.graphics.backend.InputTracker;
 import ru.windcorp.progressia.client.graphics.input.KeyEvent;
 import ru.windcorp.progressia.client.graphics.input.KeyMatcher;
+import ru.windcorp.progressia.client.graphics.input.WheelScrollEvent;
 import ru.windcorp.progressia.client.graphics.world.Selection;
 import ru.windcorp.progressia.client.world.block.*;
 import ru.windcorp.progressia.client.world.cro.ChunkRenderOptimizerRegistry;
@@ -287,6 +291,8 @@ public class TestContent {
 	}
 
 	private static void regsiterControls() {
+		TestPlayerControls.getInstance().registerControls();
+		
 		ControlDataRegistry data = ControlDataRegistry.getInstance();
 		ControlTriggerRegistry triggers = ControlTriggerRegistry.getInstance();
 		ControlLogicRegistry logic = ControlLogicRegistry.getInstance();
@@ -328,6 +334,33 @@ public class TestContent {
 		);
 		logic.register(ControlLogic.of("Test:PlaceTile", TestContent::onTilePlaceReceived));
 		
+		triggers.register(
+			ControlTriggers.localOf(
+				"Test:SwitchPlacingModeMMB",
+				KeyEvent.class,
+				() -> TestPlayerControls.getInstance().switchPlacingMode(),
+				KeyMatcher.MMB::matches
+			)
+		);
+		
+		triggers.register(
+			ControlTriggers.localOf(
+				"Test:SwitchPlacingModeWheel",
+				WheelScrollEvent.class,
+				() -> TestPlayerControls.getInstance().switchPlacingMode(),
+				e -> e.hasHorizontalMovement() || InputTracker.isKeyPressed(GLFW.GLFW_KEY_LEFT_CONTROL)
+			)
+		);
+		
+		triggers.register(
+			ControlTriggers.localOf(
+				"Test:SelectNextBlockOrTile",
+				WheelScrollEvent.class,
+				e -> TestPlayerControls.getInstance().selectNextBlockOrTile(e),
+				e -> !e.hasHorizontalMovement() && !InputTracker.isKeyPressed(GLFW.GLFW_KEY_LEFT_CONTROL)
+			)
+		);
+
 		triggers.register(
 			ControlTriggers.localOf(
 				"Test:StartNextMusic",

src/main/java/ru/windcorp/progressia/test/TestPlayerControls.java

@@ -19,7 +19,6 @@
 package ru.windcorp.progressia.test;
 
 import glm.Glm;
-import glm.mat._3.Mat3;
 import glm.mat._4.Mat4;
 import glm.vec._3.Vec3;
 import org.lwjgl.glfw.GLFW;
@@ -27,61 +26,29 @@ import ru.windcorp.progressia.client.ClientState;
 import ru.windcorp.progressia.client.graphics.GUI;
 import ru.windcorp.progressia.client.graphics.backend.GraphicsBackend;
 import ru.windcorp.progressia.client.graphics.backend.GraphicsInterface;
-import ru.windcorp.progressia.client.graphics.backend.InputTracker;
 import ru.windcorp.progressia.client.graphics.input.CursorMoveEvent;
 import ru.windcorp.progressia.client.graphics.input.InputEvent;
 import ru.windcorp.progressia.client.graphics.input.KeyEvent;
 import ru.windcorp.progressia.client.graphics.input.WheelScrollEvent;
 import ru.windcorp.progressia.client.graphics.world.LocalPlayer;
 import ru.windcorp.progressia.client.localization.Localizer;
-import ru.windcorp.progressia.common.Units;
 import ru.windcorp.progressia.common.util.Matrices;
 import ru.windcorp.progressia.common.util.VectorUtil;
 import ru.windcorp.progressia.common.util.Vectors;
 import ru.windcorp.progressia.common.world.block.BlockData;
 import ru.windcorp.progressia.common.world.entity.EntityData;
 import ru.windcorp.progressia.common.world.tile.TileData;
-import ru.windcorp.progressia.server.ServerState;
+import ru.windcorp.progressia.test.controls.MovementControls;
 
 public class TestPlayerControls {
 
-	private static TestPlayerControls instance = new TestPlayerControls();
+	private static final TestPlayerControls INSTANCE = new TestPlayerControls();
 
 	public static TestPlayerControls getInstance() {
-		return instance;
+		return INSTANCE;
 	}
 	
-	private static final double MODE_SWITCH_MAX_DELAY = 300 * Units.MILLISECONDS;
+	private final MovementControls movementControls = new MovementControls();
-	private static final double MODE_SPRINT_SWITCH_MAX_DELAY = 100 * Units.MILLISECONDS;
-	private static final double MIN_JUMP_DELAY = 300 * Units.MILLISECONDS;
-
-	// Horizontal and vertical max control speed when flying
-	private static final float FLYING_SPEED = Units.get("6 m/s");
-
-	// (0; 1], 1 is instant change, 0 is no control authority
-	private static final float FLYING_CONTROL_AUTHORITY = Units.get("2 1/s");
-
-	// Horizontal max control speed when walking
-	private static final float WALKING_SPEED = Units.get("4 m/s");
-
-	// Horizontal max control speed when sprinting
-	private static final float SPRINTING_SPEED = Units.get("6 m/s");
-
-	// (0; 1], 1 is instant change, 0 is no control authority
-	private static final float WALKING_CONTROL_AUTHORITY = Units.get("15 1/s");
-
-	// Vertical velocity instantly added to player when they jump
-	private static final float JUMP_VELOCITY = 5f * Units.METERS_PER_SECOND;
-
-	private boolean isFlying = true;
-	private boolean isSprinting = false;
-
-	private int movementForward = 0;
-	private int movementRight = 0;
-	private int movementUp = 0;
-
-	private double lastSpacePress = Double.NEGATIVE_INFINITY;
-	private double lastSprintPress = Double.NEGATIVE_INFINITY;
 
 	private int selectedBlock = 0;
 	private int selectedTile = 0;
@@ -90,75 +57,30 @@ public class TestPlayerControls {
 	private LayerTestGUI debugLayer = null;
 	private Runnable updateCallback = null;
 	
+	{
+		reset();
+	}
+	
 	public static void resetInstance() {
-		instance = new TestPlayerControls();
+		INSTANCE.reset();
+	}
+	
+	private void reset() {
+		movementControls.reset();
+
+		debugLayer = null;
+		updateCallback = null;
+		selectedBlock = 0;         
+		selectedTile = 0;          
+		isBlockSelected = true;
 	}
 
 	public void applyPlayerControls() {
-		if (ClientState.getInstance() == null || !ClientState.getInstance().isReady()) {
+		movementControls.applyPlayerControls();
-			return;
-		}
-
-		EntityData player = getEntity();
-
-		final float speed, authority;
-
-		if (isFlying) {
-			speed = FLYING_SPEED;
-			authority = FLYING_CONTROL_AUTHORITY;
-		} else {
-			speed = isSprinting ? SPRINTING_SPEED : WALKING_SPEED;
-			authority = WALKING_CONTROL_AUTHORITY;
-		}
-
-		Mat3 movementTransform = getMovementTransform(player, null);
-		Vec3 desiredVelocity = new Vec3(movementForward, movementRight, 0);
-		if (movementForward != 0 && movementRight != 0) {
-			desiredVelocity.normalize();
-		}
-		desiredVelocity.z = movementUp;
-		movementTransform.mul_(desiredVelocity); // bug in jglm, .mul() and .mul_() are
-										         // swapped
-		desiredVelocity.mul(speed);
-
-		Vec3 newVelocity = new Vec3()
-			.set(desiredVelocity)
-			.sub(player.getVelocity())
-			.mul((float) Math.exp(-authority * GraphicsInterface.getFrameLength()))
-			.negate()
-			.add(desiredVelocity);
-
-		if (!isFlying) {
-			Vec3 up = player.getUpVector();
-			Vec3 wantedVertical = VectorUtil.projectOnVector(player.getVelocity(), up, null);
-			VectorUtil.projectOnSurface(newVelocity, up).add(wantedVertical);
-		}
-
-		player.getVelocity().set(newVelocity);
-
-		// THIS IS TERRIBLE TEST
-		EntityData serverEntity = ServerState.getInstance().getWorld().getData()
-			.getEntity(TestContent.PLAYER_ENTITY_ID);
-		if (serverEntity != null) {
-			serverEntity.setPosition(player.getPosition());
-		}
-
 	}
 	
-	private Mat3 getMovementTransform(EntityData player, Mat3 mat) {
+	public void registerControls() {
-		if (mat == null) {
+		movementControls.registerControls();
-			mat = new Mat3();
-		}
-		
-		Vec3 f = player.getForwardVector(null);
-		Vec3 u = player.getUpVector();
-		Vec3 s = u.cross_(f);
-		
-		return mat.set(
-			+f.x, +f.y, +f.z,
-			-s.x, -s.y, -s.z,
-			+u.x, +u.y, +u.z
-		);
 	}
 
 	public void handleInput(InputEvent event) {
@@ -169,81 +91,39 @@ public class TestPlayerControls {
 		} else if (event instanceof CursorMoveEvent) {
 			onMouseMoved((CursorMoveEvent) event);
 			event.consume();
-		} else if (event instanceof WheelScrollEvent) {
-			onWheelScroll((WheelScrollEvent) event);
-			event.consume();
 		}
 	}
 
 	private boolean onKeyEvent(KeyEvent event) {
-		if (event.isRepeat())
+		if (!event.isPress())
 			return false;
-		int multiplier = event.isPress() ? 1 : -1;
 		switch (event.getKey()) {
-		case GLFW.GLFW_KEY_W:
-			movementForward += +1 * multiplier;
-			handleSprint(event);
-			break;
-		case GLFW.GLFW_KEY_S:
-			movementForward += -1 * multiplier;
-			break;
-		case GLFW.GLFW_KEY_A:
-			movementRight += -1 * multiplier;
-			break;
-		case GLFW.GLFW_KEY_D:
-			movementRight += +1 * multiplier;
-			break;
-		case GLFW.GLFW_KEY_SPACE:
-			handleSpace(multiplier);
-			break;
-		case GLFW.GLFW_KEY_LEFT_SHIFT:
-			handleShift(multiplier);
-			break;
 		case GLFW.GLFW_KEY_ESCAPE:
-			if (!event.isPress())
-				return false;
-			
 			handleEscape();
 			break;
 
 		case GLFW.GLFW_KEY_F11:
-			if (!event.isPress())
-				return false;
 			GraphicsInterface.makeFullscreen(!GraphicsBackend.isFullscreen());
 			updateGUI();
 			break;
 
 		case GLFW.GLFW_KEY_F12:
-			if (!event.isPress())
-				return false;
 			GraphicsBackend.setVSyncEnabled(!GraphicsBackend.isVSyncEnabled());
 			updateGUI();
 			break;
 
 		case GLFW.GLFW_KEY_F3:
-			if (!event.isPress())
-				return false;
 			handleDebugLayerSwitch();
 			break;
 
 		case GLFW.GLFW_KEY_F5:
-			if (!event.isPress())
-				return false;
 			handleCameraMode();
 			break;
 
 		case GLFW.GLFW_KEY_L:
-			if (!event.isPress())
-				return false;
 			handleLanguageSwitch();
 			break;
 
-		case GLFW.GLFW_MOUSE_BUTTON_3:
-			if (!event.isPress())
-				return false;
-			switchPlacingMode();
-			break;
-
 		default:
 			return false;
 		}
@@ -251,70 +131,7 @@ public class TestPlayerControls {
 		return true;
 	}
 
-	private void handleSpace(int multiplier) {
-		boolean isPressed = multiplier > 0;
-
-		double timeSinceLastSpacePress = GraphicsInterface.getTime() - lastSpacePress;
-
-		if (isPressed && timeSinceLastSpacePress < MODE_SWITCH_MAX_DELAY) {
-			isSprinting = false;
-			isFlying = !isFlying;
-			updateGUI();
-			movementUp = +1;
-		} else {
-			if (isFlying) {
-				movementUp += +1 * multiplier;
-			} else {
-				if (isPressed && timeSinceLastSpacePress > MIN_JUMP_DELAY) {
-					jump();
-				}
-			}
-		}
-
-		lastSpacePress = GraphicsInterface.getTime();
-	}
-
-	private void handleSprint(KeyEvent event) {
-
-		double timeSinceLastSpacePress = GraphicsInterface.getTime() - lastSprintPress;
-
-		if (event.isPress() && timeSinceLastSpacePress < MODE_SPRINT_SWITCH_MAX_DELAY && !isFlying) {
-			isSprinting = !isSprinting;
-			updateGUI();
-		}
-
-		lastSprintPress = GraphicsInterface.getTime();
-
-		if (isSprinting && event.isRelease()) {
-			isSprinting = false;
-			updateGUI();
-		}
-	}
-
-	private void jump() {
-		if (ClientState.getInstance() == null || !ClientState.getInstance().isReady()) {
-			return;
-		}
-
-		Vec3 up = getEntity().getUpVector();
-		
-		getEntity().getVelocity().add(
-			up.x * JUMP_VELOCITY,
-			up.y * JUMP_VELOCITY,
-			up.z * JUMP_VELOCITY
-		);
-	}
-
-	private void handleShift(int multiplier) {
-		if (isFlying) {
-			movementUp += -1 * multiplier;
-		}
-	}
-
 	private void handleEscape() {
-		movementForward = 0;
-		movementRight = 0;
-		movementUp = 0;
 		GUI.addTopLayer(new LayerButtonTest());
 	}
 
@@ -390,15 +207,12 @@ public class TestPlayerControls {
 		Matrices.release(mat);
 	}
 
-	private void onWheelScroll(WheelScrollEvent event) {
+	public void switchPlacingMode() {
-		if (event.hasHorizontalMovement()) {
+		isBlockSelected = !isBlockSelected;
-			switchPlacingMode();
+		updateGUI();
-		}
+	}
-		if (InputTracker.isKeyPressed(GLFW.GLFW_KEY_LEFT_CONTROL)) {
-			switchPlacingMode();
-			return;
-		}
 	
+	public void selectNextBlockOrTile(WheelScrollEvent event) {
 		if (isBlockSelected) {
 			selectedBlock += event.isUp() ? +1 : -1;
 
@@ -424,11 +238,6 @@ public class TestPlayerControls {
 		updateGUI();
 	}
 
-	private void switchPlacingMode() {
-		isBlockSelected = !isBlockSelected;
-		updateGUI();
-	}
-
 	public EntityData getEntity() {
 		return getPlayer().getEntity();
 	}
@@ -443,12 +252,8 @@ public class TestPlayerControls {
 		}
 	}
 	
-	public boolean isFlying() {
+	public MovementControls getMovementControls() {
-		return isFlying;
+		return movementControls;
-	}
-
-	public boolean isSprinting() {
-		return isSprinting;
 	}
 
 	public BlockData getSelectedBlock() {
@@ -463,4 +268,12 @@ public class TestPlayerControls {
 		return isBlockSelected;
 	}
 	
+	public boolean isFlying() {
+		return movementControls.isFlying();
+	}
+	
+	public boolean isSprinting() {
+		return movementControls.isSprinting();
+	}
+
 }

src/main/java/ru/windcorp/progressia/test/controls/MovementControls.java

@@ -0,0 +1,287 @@
+/*
+ * Progressia
+ * Copyright (C)  2020-2021  Wind Corporation and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package ru.windcorp.progressia.test.controls;
+
+import org.lwjgl.glfw.GLFW;
+
+import glm.mat._3.Mat3;
+import glm.vec._3.Vec3;
+import ru.windcorp.progressia.client.ClientState;
+import ru.windcorp.progressia.client.comms.controls.ControlTriggerRegistry;
+import ru.windcorp.progressia.client.comms.controls.ControlTriggers;
+import ru.windcorp.progressia.client.graphics.backend.GraphicsInterface;
+import ru.windcorp.progressia.client.graphics.backend.InputTracker;
+import ru.windcorp.progressia.client.graphics.input.KeyEvent;
+import ru.windcorp.progressia.client.graphics.input.KeyMatcher;
+import ru.windcorp.progressia.common.Units;
+import ru.windcorp.progressia.common.util.VectorUtil;
+import ru.windcorp.progressia.common.world.entity.EntityData;
+import ru.windcorp.progressia.server.ServerState;
+import ru.windcorp.progressia.test.TestContent;
+
+public class MovementControls {
+
+	/**
+	 * Max delay between space presses that can toggle flying
+	 */
+	private static final double FLYING_SWITCH_MAX_DELAY = Units.get("300 ms");
+	
+	/**
+	 * Max delay between W presses that can toggle sprinting
+	 */
+	private static final double SPRINTING_SWITCH_MAX_DELAY = Units.get("300 ms");
+	
+	/**
+	 * Min delay between jumps
+	 */
+	private static final double JUMP_MIN_DELAY = Units.get("300 ms");
+
+	/**
+	 * Horizontal and vertical max control speed when flying
+	 */
+	private static final float FLYING_SPEED = Units.get("6 m/s");
+
+	/**
+	 * (0; 1], 1 is instant change, 0 is no control authority
+	 */
+	private static final float FLYING_CONTROL_AUTHORITY = Units.get("2 1/s");
+
+	/**
+	 * Horizontal max control speed when walking
+	 */
+	private static final float WALKING_SPEED = Units.get("4 m/s");
+
+	/**
+	 * Horizontal max control speed when sprinting
+	 */
+	private static final float SPRINTING_SPEED = Units.get("6 m/s");
+
+	/**
+	 * (0; 1], 1 is instant change, 0 is no control authority
+	 */
+	private static final float WALKING_CONTROL_AUTHORITY = Units.get("15 1/s");
+
+	/**
+	 * Vertical velocity instantly added to player when they jump
+	 */
+	private static final float JUMP_VELOCITY = Units.get("5 m/s");
+
+	private boolean isFlying;
+	private boolean isSprinting;
+
+	private double lastSpacePress;
+	private double lastSprintPress;
+	
+	{
+		reset();
+	}
+
+	public void applyPlayerControls() {
+		if (ClientState.getInstance() == null || !ClientState.getInstance().isReady()) {
+			return;
+		}
+
+		EntityData player = ClientState.getInstance().getLocalPlayer().getEntity();
+		assert player != null;
+
+		final float speed, authority;
+
+		if (isFlying) {
+			speed = FLYING_SPEED;
+			authority = FLYING_CONTROL_AUTHORITY;
+		} else {
+			speed = isSprinting ? SPRINTING_SPEED : WALKING_SPEED;
+			authority = WALKING_CONTROL_AUTHORITY;
+		}
+
+		Mat3 movementTransform = getMovementTransform(player, null);
+		Vec3 desiredVelocity = getDesiredVelocity(movementTransform, speed);
+		Vec3 newVelocity = getNewVelocity(desiredVelocity, player.getVelocity(), authority, player.getUpVector());
+		player.getVelocity().set(newVelocity);
+
+		tmp_syncServerEntity();
+	}
+
+	private void tmp_syncServerEntity() {
+		// THIS IS TERRIBLE TEST
+		EntityData serverEntity = ServerState.getInstance().getWorld().getData()
+			.getEntity(TestContent.PLAYER_ENTITY_ID);
+		if (serverEntity != null) {
+			ClientState.getInstance().getLocalPlayer().getEntity().copy(serverEntity);
+		}
+	}
+
+	private Mat3 getMovementTransform(EntityData player, Mat3 mat) {
+		if (mat == null) {
+			mat = new Mat3();
+		}
+
+		Vec3 f = player.getForwardVector(null);
+		Vec3 u = player.getUpVector();
+		Vec3 s = f.cross_(u);
+
+		//@formatter:off
+		return mat.set(
+			f.x, f.y, f.z,
+			s.x, s.y, s.z,
+			u.x, u.y, u.z
+		);
+		//@formatter:on
+	}
+
+	private Vec3 getDesiredVelocity(Mat3 movementTransform, float speed) {
+		int forward = 0;
+		int right = 0;
+		int up = 0;
+
+		forward += InputTracker.isKeyPressed(GLFW.GLFW_KEY_W) ? 1 : 0;
+		forward -= InputTracker.isKeyPressed(GLFW.GLFW_KEY_S) ? 1 : 0;
+
+		right += InputTracker.isKeyPressed(GLFW.GLFW_KEY_D) ? 1 : 0;
+		right -= InputTracker.isKeyPressed(GLFW.GLFW_KEY_A) ? 1 : 0;
+
+		if (isFlying) {
+			up += InputTracker.isKeyPressed(GLFW.GLFW_KEY_SPACE) ? 1 : 0;
+			up -= InputTracker.isKeyPressed(GLFW.GLFW_KEY_LEFT_SHIFT) ? 1 : 0;
+		}
+
+		Vec3 desiredVelocity = new Vec3(forward, right, 0);
+		if (forward != 0 && right != 0) {
+			desiredVelocity.normalize();
+		}
+		desiredVelocity.z = up;
+
+		// bug in jglm, .mul() and .mul_() are swapped
+		movementTransform.mul_(desiredVelocity);
+		desiredVelocity.mul(speed);
+
+		return desiredVelocity;
+	}
+
+	private Vec3 getNewVelocity(Vec3 desiredVelocity, Vec3 oldVelocity, float authority, Vec3 up) {
+
+		// newVelocity = oldVelocity + small change toward desiredVelocity
+		Vec3 newVelocity = new Vec3()
+			.set(desiredVelocity)
+			.sub(oldVelocity)
+			.mul((float) Math.exp(-authority * GraphicsInterface.getFrameLength()))
+			.negate()
+			.add(desiredVelocity);
+
+		// If we aren't flying, don't change vertical component
+		if (!isFlying) {
+			Vec3 wantedVertical = VectorUtil.projectOnVector(oldVelocity, up, null);
+			VectorUtil.projectOnSurface(newVelocity, up);
+			newVelocity.add(wantedVertical);
+		}
+
+		return newVelocity;
+	}
+	
+	public void reset() {
+		isFlying = true;
+		isSprinting = false;
+		lastSpacePress = Double.NEGATIVE_INFINITY; 
+		lastSprintPress = Double.NEGATIVE_INFINITY;
+	}
+
+	public void registerControls() {
+		ControlTriggerRegistry triggers = ControlTriggerRegistry.getInstance();
+		
+		triggers.register(
+			ControlTriggers.localOf(
+				"Test:JumpOrToggleFlight",
+				KeyEvent.class,
+				this::handleSpacePress,
+				new KeyMatcher("Space")::matches
+			)
+		);
+		
+		triggers.register(
+			ControlTriggers.localOf(
+				"Test:ToggleSprint",
+				KeyEvent.class,
+				this::toggleSprint,
+				
+				new KeyMatcher("W")::matches,
+				e -> !isFlying
+			)
+		);
+		
+		triggers.register(
+			ControlTriggers.localOf(
+				"Test:DisableSprint",
+				KeyEvent.class,
+				this::disableSprint,
+				
+				new KeyMatcher("W")::matchesIgnoringAction,
+				KeyEvent::isRelease
+			)
+		);
+	}
+	
+	private void handleSpacePress(KeyEvent e) {
+		double timeSinceLastSpacePress = e.getTime() - lastSpacePress;
+
+		if (timeSinceLastSpacePress < FLYING_SWITCH_MAX_DELAY) {
+			isSprinting = false;
+			isFlying = !isFlying;
+		} else if (!isFlying && timeSinceLastSpacePress >= JUMP_MIN_DELAY) {
+			jump();
+		}
+
+		lastSpacePress = e.getTime();
+	}
+	
+	private void jump() {
+		if (ClientState.getInstance() == null || !ClientState.getInstance().isReady()) {
+			return;
+		}
+
+		EntityData player = ClientState.getInstance().getLocalPlayer().getEntity();
+		assert player != null;
+
+		Vec3 up = player.getUpVector();
+		
+		player.getVelocity().add(
+			up.x * JUMP_VELOCITY,
+			up.y * JUMP_VELOCITY,
+			up.z * JUMP_VELOCITY
+		);
+	}
+	
+	private void toggleSprint(KeyEvent e) {
+		if (e.getTime() - lastSprintPress < SPRINTING_SWITCH_MAX_DELAY) {
+			isSprinting = !isSprinting;
+		}
+		lastSprintPress = e.getTime();
+	}
+	
+	private void disableSprint(KeyEvent e) {
+		isSprinting = false;
+	}
+	
+	public boolean isFlying() {
+		return isFlying;
+	}
+	
+	public boolean isSprinting() {
+		return isSprinting;
+	}
+
+}

src/main/resources/assets/languages/en-US.lang

@@ -4,8 +4,6 @@ LayerAbout.Title = Progressia
 LayerAbout.Version = Version: %s
 LayerAbout.DebugHint = Debug GUI: F3
 
-LayerTestGUI.IsFlyingDisplay = Flying:         %5s (Space bar x2)
-LayerTestGUI.IsSprintingDisplay = Sprinting:      %5s (W x2)
 LayerTestGUI.CameraModeDisplay = Camera mode:    %5d (F5)
 LayerTestGUI.LanguageDisplay = Language:       %5s (L)
 LayerTestGUI.FPSDisplay = FPS: 

src/main/resources/assets/languages/ru-RU.lang

@@ -4,8 +4,6 @@ LayerAbout.Title = Прогрессия
 LayerAbout.Version = Версия: %s
 LayerAbout.DebugHint = Отладочный GUI: F3
 
-LayerTestGUI.IsFlyingDisplay = Полёт:          %5s (Пробел x2)
-LayerTestGUI.IsSprintingDisplay = Бег:            %5s (W x2)
 LayerTestGUI.CameraModeDisplay = Камера:         %5d (F5)
 LayerTestGUI.LanguageDisplay = Язык:           %5s (L)
 LayerTestGUI.FPSDisplay = FPS: