使用缩放和插值的主菜单按钮

src/Settings/Integration/RitsuLibModSettingsBootstrap.CategoryPages.cs

@@ -97,7 +97,7 @@ .. RitsuShellThemeCatalog.RegisteredThemeIds
                 T("ritsulib.mainMenuScrolling.enabled.label", "Enable main menu scrolling"),
                 ui.MainMenuScrollingEnabled,
                 T("ritsulib.mainMenuScrolling.enabled.description",
-                    "Keeps long menu lists within the screen and scrolls focused entries into view. Enabled by default. Disable to use the original menu layout and navigation. Restart the game after changing this setting."));
+                    "Keeps long menu lists within the screen. Overflow shrinks and fades edge buttons; mouse wheel and focus still scroll. Enabled by default. Disable to use the original menu layout and navigation. Restart the game after changing this setting."));
         }
 
 #if !STS2_AT_LEAST_0_108_0

src/Settings/Localization/ModSettingsUi/eng.json

@@ -213,7 +213,7 @@
   "ritsulib.mainMenuModSettingsButton.enabled.label": "Show main menu settings shortcut",
   "ritsulib.mainMenuModSettingsButton.enabled.description": "Shows a RitsuLib settings shortcut under the patch notes button on the main menu.",
   "ritsulib.mainMenuScrolling.enabled.label": "Enable main menu scrolling",
-  "ritsulib.mainMenuScrolling.enabled.description": "Keeps long menu lists within the screen and scrolls focused entries into view. Enabled by default. Disable to use the original menu layout and navigation. Restart the game after changing this setting.",
+  "ritsulib.mainMenuScrolling.enabled.description": "Keeps long menu lists within the screen. Overflow shrinks and fades edge buttons; mouse wheel and focus still scroll. Enabled by default. Disable to use the original menu layout and navigation. Restart the game after changing this setting.",
   "ritsulib.modSourceHoverTips.enabled.label": "Show content source hover tips",
   "ritsulib.modSourceHoverTips.enabled.description": "Shows which mod provides cards, relics, potions, events, keywords, and other model hover tips.",
   "ritsulib.modSourceHoverTips.displayStyle.label": "Source display style",

src/Settings/Localization/ModSettingsUi/zhs.json

@@ -213,7 +213,7 @@
   "ritsulib.mainMenuModSettingsButton.enabled.label": "显示主菜单设置快捷入口",
   "ritsulib.mainMenuModSettingsButton.enabled.description": "在主菜单更新日志按钮下方显示 RitsuLib 设置快捷入口。",
   "ritsulib.mainMenuScrolling.enabled.label": "启用主菜单滚动",
-  "ritsulib.mainMenuScrolling.enabled.description": "将过长的菜单列表限制在屏幕内，并自动滚动显示当前选中项。默认启用；关闭后使用原版菜单布局和导航。修改后请重启游戏。",
+  "ritsulib.mainMenuScrolling.enabled.description": "将过长的菜单列表限制在屏幕内，边缘按钮会变小变透明，表示还能滚动；滚轮和焦点仍可滚动。默认启用；关闭后使用原版菜单布局和导航。修改后请重启游戏。",
   "ritsulib.modSourceHoverTips.enabled.label": "显示内容来源悬停提示",
   "ritsulib.modSourceHoverTips.enabled.description": "为卡牌、遗物、药水、事件、关键词和其他模型悬停提示显示内容来源模组。",
   "ritsulib.modSourceHoverTips.displayStyle.label": "来源显示样式",

src/Ui/MainMenu/NMainMenuScroller.Decorations.cs

@@ -60,6 +60,7 @@ internal bool AnimateRunInfo(NContinueRunInfo info, bool show)
 
         private void ShowReticles(NMainMenuTextButton button)
         {
+            var previous = _reticleButton;
             _reticleButton = button;
             _reticleTween?.Kill();
             _reticleProgress = 0f;
@@ -70,6 +71,7 @@ private void ShowReticles(NMainMenuTextButton button)
                 UpdateDecorations();
             }), 0f, 1f, 0.2).SetEase(Tween.EaseType.Out).SetTrans(Tween.TransitionType.Cubic);
             UpdateDecorations();
+            RefreshEdgeScale(previous, button);
         }
 
         private void HideReticles(NMainMenuTextButton button)
@@ -79,14 +81,14 @@ private void HideReticles(NMainMenuTextButton button)
             _reticleTween?.Kill();
             _reticleButton = null;
             UpdateDecorations();
+            RefreshEdgeScale(button);
         }
 
         private void UpdateDecorations()
         {
             if (!Initialized)
                 return;
-            var showReticles = IsActive && IsNavigable(_reticleButton) &&
-                               _reticleButton!.GetParent() == this && IsRowFullyVisible(_reticleButton);
+            var showReticles = IsActive && IsReticleTarget(_reticleButton);
             if (_reticleLeft != null && _reticleRight != null &&
                 IsInstanceValid(_reticleLeft) && IsInstanceValid(_reticleRight))
             {
@@ -115,8 +117,9 @@ private void UpdateDecorations()
             var position = _runInfoButton.GlobalPosition + _runInfoOffset + new Vector2(0f, -20f * _runInfoProgress);
             position.X = Mathf.Clamp(position.X, menuRect.Position.X + EdgePadding,
                 Mathf.Max(menuRect.Position.X + EdgePadding, menuRect.End.X - _runInfo.Size.X - EdgePadding));
-            position.Y = Mathf.Clamp(position.Y, GlobalPosition.Y,
-                Mathf.Max(GlobalPosition.Y, menuRect.End.Y - _runInfo.Size.Y - EdgePadding));
+            var topLimit = ScrollEngaged ? GlobalPosition.Y : menuRect.Position.Y + EdgePadding;
+            position.Y = Mathf.Clamp(position.Y, topLimit,
+                Mathf.Max(topLimit, menuRect.End.Y - _runInfo.Size.Y - EdgePadding));
             _runInfo.GlobalPosition = position;
             var infoColor = _runInfo.Modulate;
             infoColor.A = _runInfoProgress;
@@ -126,18 +129,95 @@ private void UpdateDecorations()
         private void HideDecorations()
         {
             _reticleTween?.Kill();
+            var previous = _reticleButton;
             _reticleButton = null;
             _runInfoTween?.Kill();
             _runInfoProgress = 0f;
             if (_runInfo != null && IsInstanceValid(_runInfo))
                 RunInfoShown(_runInfo) = false;
             UpdateDecorations();
+            RefreshEdgeScale(previous);
         }
 
         private void DisposeDecorations()
         {
             _reticleTween?.Kill();
             _runInfoTween?.Kill();
         }
+
+        private bool IsReticleTarget(Control? item)
+        {
+            return item != null && item == _reticleButton && IsNavigable(_reticleButton) &&
+                   _reticleButton.GetParent() == this &&
+                   (_reticleButton.HasFocus() || IsRowFullyVisible(_reticleButton));
+        }
+
+        private (float topWeight, float bottomWeight, float start) GetEdgeScaleContext()
+        {
+            var start = (ScrollEngaged
+                ? ContentPadding
+                : (Size.Y - _contentHeight) / 2f) - _visualScroll;
+            return (Mathf.SmoothStep(0f, EdgeZone, _visualScroll),
+                Mathf.SmoothStep(0f, EdgeZone, _scrollLimit - _visualScroll),
+                start);
+        }
+
+        private void RefreshEdgeScale(params Control?[] items)
+        {
+            if (!Initialized)
+                return;
+            var (topWeight, bottomWeight, start) = GetEdgeScaleContext();
+            foreach (var item in items)
+            {
+                if (item == null || !IsInstanceValid(item) || !_measurements.TryGetValue(item, out var minimum))
+                    continue;
+                ApplyEdgeScale(item, start + _rowTops[item], minimum.Y, topWeight, bottomWeight);
+            }
+        }
+
+        private void ApplyEdgeScale(Control item, float top, float height, float topWeight, float bottomWeight)
+        {
+            if (IsReticleTarget(item))
+            {
+                ResetEdgeScale(item);
+                return;
+            }
+
+            var amount = 1f;
+            var pivotY = height * 0.5f;
+            if (topWeight > 0f && top < EdgeZone)
+                BlendEdge(topWeight, top + height * 0.5f, height * 0.5f, height, ref amount, ref pivotY);
+            if (bottomWeight > 0f && top + height > Size.Y - EdgeZone)
+                BlendEdge(bottomWeight, Size.Y - (top + height * 0.5f), pivotY, 0f, ref amount, ref pivotY);
+
+            item.PivotOffset = new(item.Size.X * 0.5f, pivotY);
+            item.Scale = Vector2.One * Mathf.Lerp(EdgeMinScale, 1f, amount);
+            var color = item.Modulate;
+            color.A = Mathf.Lerp(EdgeMinAlpha, 1f, amount);
+            item.Modulate = color;
+        }
+
+        private static void BlendEdge(
+            float weight, float distance, float fromPivot, float toPivot, ref float amount, ref float pivotY)
+        {
+            var positional = SmootherStep01(distance / EdgeZone);
+            amount = Mathf.Min(amount, Mathf.Lerp(1f, positional, weight));
+            pivotY = Mathf.Lerp(fromPivot, toPivot, weight * (1f - positional));
+        }
+
+        private static float SmootherStep01(float t)
+        {
+            t = Mathf.Clamp(t, 0f, 1f);
+            return t * t * t * (t * (t * 6f - 15f) + 10f);
+        }
+
+        private void ResetEdgeScale(Control item)
+        {
+            item.Scale = Vector2.One;
+            item.PivotOffset = Vector2.Zero;
+            var color = item.Modulate;
+            color.A = 1f;
+            item.Modulate = color;
+        }
     }
 }