correct LCE sensitivity

Author: isXander

src/main/java/dev/isxander/controlify/gui/screen/ControllerConfigScreenFactory.java

@@ -132,6 +132,8 @@ private Optional<OptionGroup> makeSensitivityGroup(
         InputSettings.SensitivitySettings sens = settings.input.sensitivity;
         InputSettings.SensitivitySettings def = defaults.input.sensitivity;
 
+        Option<InputCurves> lookInputCurveOpt;
+
         return Optional.of(builder
                 .option(Option.<Float>createBuilder()
                         .name(Component.translatable("controlify.gui.horizontal_look_sensitivity"))
@@ -177,7 +179,7 @@ private Optional<OptionGroup> makeSensitivityGroup(
                         .binding(def.reduceAimingSensitivity, () -> sens.reduceAimingSensitivity, v -> sens.reduceAimingSensitivity = v)
                         .controller(TickBoxControllerBuilder::create)
                         .build())
-                .option(Option.<InputCurves>createBuilder()
+                .option(lookInputCurveOpt = Option.<InputCurves>createBuilder()
                         .name(Component.translatable("controlify.gui.look_input_curve"))
                         .description(OptionDescription.createBuilder()
                                 .text(Component.translatable("controlify.gui.look_input_curve.tooltip"))
@@ -194,6 +196,9 @@ private Optional<OptionGroup> makeSensitivityGroup(
                         .binding(def.isLCE, () -> sens.isLCE, v -> sens.isLCE = v)
                         .controller(opt -> BooleanControllerBuilder.create(opt)
                                 .onOffFormatter())
+                        .addListener((opt, event) -> {
+                            lookInputCurveOpt.setAvailable(!opt.pendingValue());
+                        })
                         .build())
                 .build());
     }

src/main/java/dev/isxander/controlify/ingame/InGameInputHandler.java

@@ -313,17 +313,17 @@ protected void handleRegularLook(InputComponent input, Vector2d impulse, boolean
             regularImpulse.y *= -1;
         }
 
-        InputCurve curve = settings.sensitivity.lookInputCurve;
         if (!settings.sensitivity.isLCE) {
             // apply the easing on its length to preserve circularity
             regularImpulse = ControllerUtils.applyEasingToLength(
                     regularImpulse,
-                    curve::apply
+                    settings.sensitivity.lookInputCurve::apply
             );
         } else {
-            // LCE doesn't preserve circularity
-            regularImpulse.x = curve.apply(regularImpulse.x);
-            regularImpulse.y = curve.apply(regularImpulse.y);
+            // LCE uses a quadratic curve on each axis independently,
+            // and its default turn speed was 7.5 degrees per tick at 100% sensitivity
+            regularImpulse.x = regularImpulse.x * Math.abs(regularImpulse.x) * 0.75f;
+            regularImpulse.y = regularImpulse.y * Math.abs(regularImpulse.y) * 0.75f;
         }
 
         if (settings.sensitivity.reduceAimingSensitivity && player.isUsingItem()) {
@@ -340,7 +340,7 @@ protected void handleRegularLook(InputComponent input, Vector2d impulse, boolean
             regularImpulse.mul(aimMultiplier);
         }
 
-        // 10 degrees per second at 100% sensitivity
+        // 10 degrees per tick at 100% sensitivity
         regularImpulse.x *= settings.sensitivity.hLookSensitivity * 10f;
         regularImpulse.y *= settings.sensitivity.vLookSensitivity * 10f;