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Eye Tracking Support, Minecraft Without Hands

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Add support for eye tracking hardware, eg the Tobii 5.
Add settings to toggle eye tracking in the settings menu.
Add settings to adjust the deadzone while looking at the crosshair.
Disable mouse raw input while eye tracking is in use, as these two modes are not compatible.
This commit is contained in:
Kabliz
2023-05-08 20:07:01 -07:00
parent 889a5d8d58
commit 60bd283c4c
7 changed files with 202 additions and 1 deletions
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72
src/main/java/eu/midnightdust/midnightcontrols/client/mixin/MouseMixin.java
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@@ -15,7 +15,9 @@ import eu.midnightdust.midnightcontrols.client.MidnightControlsConfig;
import eu.midnightdust.midnightcontrols.client.util.MouseAccessor;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.Mouse;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.client.option.KeyBinding;
import net.minecraft.client.util.GlfwUtil;
import net.minecraft.client.util.SmoothUtil;
import org.lwjgl.glfw.GLFW;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
@@ -26,6 +28,10 @@ import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import eu.midnightdust.midnightcontrols.client.mouse.EyeTrackerHandler;
import static org.lwjgl.glfw.GLFW.GLFW_CURSOR;
import static org.lwjgl.glfw.GLFW.GLFW_CURSOR_HIDDEN;
/**
* Adds extra access to the mouse.
@@ -36,6 +42,37 @@ public abstract class MouseMixin implements MouseAccessor {
@Final
private MinecraftClient client;
@Shadow
private double y;
@Shadow
private double cursorDeltaX;
@Shadow
private double cursorDeltaY;
@Shadow
private double x;
@Shadow
private boolean cursorLocked;
@Shadow
private boolean hasResolutionChanged;
@Shadow
private double lastMouseUpdateTime;
@Shadow
@Final
private SmoothUtil cursorXSmoother;
@Shadow
@Final
private SmoothUtil cursorYSmoother;
@Shadow private boolean leftButtonClicked;
@Accessor
public abstract void setLeftButtonClicked(boolean value);
@@ -67,4 +104,37 @@ public abstract class MouseMixin implements MouseAccessor {
||*/ (MidnightControlsConfig.controlsMode == ControlsMode.CONTROLLER && MidnightControlsConfig.virtualMouse))
ci.cancel();
}
@Inject(method = "updateMouse", at = @At("HEAD"), cancellable = true)
private void updateMouse(CallbackInfo ci) {
if (MidnightControlsConfig.eyeTrackerAsMouse && cursorLocked && client.isWindowFocused()) {
//Eye Tracking is only for the camera controlling cursor, we need the normal cursor everywhere else.
if (!client.options.smoothCameraEnabled) {
cursorXSmoother.clear();
cursorYSmoother.clear();
}
EyeTrackerHandler.updateMouseWithEyeTracking(x + cursorDeltaX, y + cursorDeltaY, client,
lastMouseUpdateTime, leftButtonClicked, cursorXSmoother, cursorYSmoother);
lastMouseUpdateTime = GlfwUtil.getTime();
cursorDeltaX = 0.0;
cursorDeltaY = 0.0;
ci.cancel();
}
}
@Inject(method = "lockCursor", at = @At("HEAD"), cancellable = true)
private void lockCursor(CallbackInfo ci) {
if (MidnightControlsConfig.eyeTrackerAsMouse && client.isWindowFocused() && !this.cursorLocked) {
if (!MinecraftClient.IS_SYSTEM_MAC) {
KeyBinding.updatePressedStates();
}
//In eye tracking mode, we cannot have the cursor locked to the center.
GLFW.glfwSetInputMode(client.getWindow().getHandle(), GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
cursorLocked = true; //The game uses this flag for other gameplay checks
client.setScreen(null);
hasResolutionChanged = true;
ci.cancel();
}
}
}