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MuHua-123
2025-06-17 11:09:05 +08:00
commit 5e7fa2ef57
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Packages/UITool/Runtime/ModuleUIPanel/UIScrollView/UIScrollList.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
namespace MuHua {
/// <summary>
/// 滚动列表
/// </summary>
public class UIScrollList<T, Data> : UIScrollView where T : ModuleUIItem<Data> {
private ModuleUIItems<T, Data> Items;// UI项容器
public UIScrollList(VisualElement element, VisualElement canvas, VisualTreeAsset templateAsset, Func<Data, VisualElement, T> generate,
UIDirection direction = UIDirection.HorizontalAndVertical,
UIDirection sh = UIDirection.FromLeftToRight,
UIDirection sv = UIDirection.FromTopToBottom) : base(element, canvas, direction, sh, sv) {
Items = new ModuleUIItems<T, Data>(Container, templateAsset, generate);
}
/// <summary> 释放资源 </summary>
public void Release() => Items.Release();
/// <summary> 创建UI项 </summary>
public void Create(List<Data> datas) => Items.Create(datas);
/// <summary> 创建UI项 </summary>
public void Create(Data data) => Items.Create(data);
}
}
Packages/UITool/Runtime/ModuleUIPanel/UIScrollView/UIScrollList.cs.meta
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Packages/UITool/Runtime/ModuleUIPanel/UIScrollView/UIScrollView.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
namespace MuHua {
/// <summary>
/// 滚动视图
/// </summary>
public class UIScrollView : ModuleUIPanel {
/// <summary> 绑定的画布 </summary>
public readonly VisualElement canvas;
/// <summary> 元素方向 </summary>
public readonly UIDirection direction;
/// <summary> 水平滑动方向 </summary>
public readonly UIDirection sh;
/// <summary> 垂直滑动方向 </summary>
public readonly UIDirection sv;
/// <summary> 值改变时 </summary>
public event Action<Vector2> ValueChanged;
public Vector2 value;
public bool isDrag;
public Vector3 originalPosition;
public Vector3 pointerPosition;
public readonly UIScroller horizontal;
public readonly UIScroller vertical;
public VisualElement Viewport => Q<VisualElement>("Viewport");
public VisualElement Container => Q<VisualElement>("Container");
public VisualElement ScrollerHorizontal => Q<VisualElement>("ScrollerHorizontal");
public VisualElement ScrollerVertical => Q<VisualElement>("ScrollerVertical");
public UIScrollView(VisualElement element, VisualElement canvas,
UIDirection direction = UIDirection.HorizontalAndVertical,
UIDirection sh = UIDirection.FromLeftToRight,
UIDirection sv = UIDirection.FromTopToBottom) : base(element) {
this.canvas = canvas;
this.direction = direction;
this.sh = sh;
this.sv = sv;
element.generateVisualContent += ElementGenerateVisualContent;
if (sh == UIDirection.FromLeftToRight) {
horizontal = new UIScroller(ScrollerHorizontal, canvas, sh);
Viewport.style.flexDirection = FlexDirection.Row;
}
if (sh == UIDirection.FromRightToLeft) {
horizontal = new UIScroller(ScrollerHorizontal, canvas, sh);
Viewport.style.flexDirection = FlexDirection.RowReverse;
}
if (sv == UIDirection.FromTopToBottom) {
vertical = new UIScroller(ScrollerVertical, canvas, sv);
Viewport.style.flexDirection = FlexDirection.Column;
}
if (sv == UIDirection.FromBottomToTop) {
vertical = new UIScroller(ScrollerVertical, canvas, sv);
Viewport.style.flexDirection = FlexDirection.ColumnReverse;
}
// 设置事件
horizontal.ValueChanged += (x) => { UpdateValue(new Vector2(x, value.y)); };
vertical.ValueChanged += (y) => { UpdateValue(new Vector2(value.x, y)); };
Viewport.RegisterCallback<WheelEvent>(ViewportWheel);
Viewport.RegisterCallback<PointerDownEvent>(DraggerDown);
Viewport.RegisterCallback<MouseCaptureEvent>((evt) => isDrag = false);
// 释放
canvas.RegisterCallback<PointerUpEvent>((evt) => isDrag = false);
canvas.RegisterCallback<PointerLeaveEvent>((evt) => isDrag = false);
}
/// <summary> 视图原始更新 </summary>
private void ElementGenerateVisualContent(MeshGenerationContext context) {
float width = Mathf.Clamp01(Viewport.resolvedStyle.width / Container.resolvedStyle.width);
float height = Mathf.Clamp01(Viewport.resolvedStyle.height / Container.resolvedStyle.height);
horizontal.Dragger.style.width = Length.Percent(width * 100);
vertical.Dragger.style.height = Length.Percent(height * 100);
}
/// <summary> 视图滚轮滑动 </summary>
private void ViewportWheel(WheelEvent evt) {
float wheel = Mathf.Clamp(evt.delta.y, -1, 1);
Vector2 offset = new Vector2(0, wheel);
if (direction == UIDirection.Horizontal) { offset = new Vector2(wheel, 0); }
UpdateValue(new Vector2(value.x, value.y) - offset);
}
private void DraggerDown(PointerDownEvent evt) {
isDrag = true;
originalPosition = Container.transform.position;
Vector3 mousePosition = UITool.GetMousePosition();
pointerPosition = new Vector3(mousePosition.x, Screen.height - mousePosition.y);
}
/// <summary> 更新状态 </summary>
public virtual void Update() {
horizontal.Update();
vertical.Update();
Vector2 original = value;
float maxX = Viewport.resolvedStyle.width < Container.resolvedStyle.width ? 1 : 0;
float maxY = Viewport.resolvedStyle.height < Container.resolvedStyle.height ? 1 : 0;
if (value.x < 0) { value.x = Mathf.Lerp(value.x, 0, Time.deltaTime * 10); }
if (value.x > maxX) { value.x = Mathf.Lerp(value.x, maxX, Time.deltaTime * 10); }
if (value.y < 0) { value.y = Mathf.Lerp(value.y, 0, Time.deltaTime * 10); }
if (value.y > maxY) { value.y = Mathf.Lerp(value.y, maxY, Time.deltaTime * 10); }
if (original != value) { UpdateValue(value); }
if (!isDrag) { return; }
Vector3 mousePosition = UITool.GetMousePosition();
Vector3 differ = new Vector3(mousePosition.x, Screen.height - mousePosition.y) - pointerPosition;
Vector3 offset = differ + originalPosition;
float maxWidth = Viewport.resolvedStyle.width - Container.resolvedStyle.width;
float maxHeight = Viewport.resolvedStyle.height - Container.resolvedStyle.height;
float x = offset.x / maxWidth;
float y = offset.y / maxHeight;
x *= sh == UIDirection.FromLeftToRight ? 1 : -1;
y *= sv == UIDirection.FromTopToBottom ? 1 : -1;
UpdateValue(new Vector2(x, y));
}
/// <summary> 更新值(0-1) </summary>
public void UpdateValue(Vector2 value, bool send = true) {
if (direction == UIDirection.Horizontal) { value.y = 0; }
if (direction == UIDirection.Vertical) { value.x = 0; }
this.value = value;
if (send) { ValueChanged?.Invoke(value); }
float maxWidth = Viewport.resolvedStyle.width - Container.resolvedStyle.width;
float maxHeight = Viewport.resolvedStyle.height - Container.resolvedStyle.height;
float xPos = maxWidth * value.x;
float yPos = maxHeight * value.y;
xPos *= sh == UIDirection.FromLeftToRight ? 1 : -1;
yPos *= sv == UIDirection.FromTopToBottom ? 1 : -1;
Container.transform.position = new Vector3(xPos, yPos);
if (horizontal.value != value.x) { horizontal.UpdateValue(value.x, false); }
if (vertical.value != value.y) { vertical.UpdateValue(value.y, false); }
}
}
}
Packages/UITool/Runtime/ModuleUIPanel/UIScrollView/UIScrollView.cs.meta
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Packages/UITool/Runtime/ModuleUIPanel/UIScrollView/UIScrollViewV.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
namespace MuHua {
/// <summary>
/// 滚动视图 - 垂直
/// </summary>
public class UIScrollViewV : ModuleUIPanel {
/// <summary> 绑定的画布 </summary>
public readonly VisualElement canvas;
/// <summary> 元素方向 </summary>
public readonly UIDirection direction;
/// <summary> 垂直滑块 </summary>
public readonly UIScroller vertical;
/// <summary> 值改变时 </summary>
public event Action<float> ValueChanged;
/// <summary>
/// 方向
/// </summary>
public enum UIDirection {
FromTopToBottom = 0,
FromBottomToTop = 1,
}
public float value;
public bool isDrag;
public Vector3 originalPosition;
public Vector3 pointerPosition;
public VisualElement Viewport => Q<VisualElement>("Viewport");
public VisualElement Container => Q<VisualElement>("Container");
public VisualElement ScrollerVertical => Q<VisualElement>("ScrollerVertical");
public UIScrollViewV(VisualElement element, VisualElement canvas, UIDirection direction) : base(element) {
this.canvas = canvas;
this.direction = direction;
if (direction == UIDirection.FromTopToBottom) {
// vertical = new UIScroller(ScrollerVertical, canvas, direction);
Viewport.style.flexDirection = FlexDirection.Column;
}
if (direction == UIDirection.FromBottomToTop) {
// vertical = new UIScroller(ScrollerVertical, canvas, direction);
Viewport.style.flexDirection = FlexDirection.ColumnReverse;
}
// 设置事件
vertical.ValueChanged += (y) => { UpdateValue(y); };
Viewport.RegisterCallback<WheelEvent>(ViewportWheel);
Viewport.RegisterCallback<PointerDownEvent>(DraggerDown);
Viewport.RegisterCallback<MouseCaptureEvent>((evt) => isDrag = false);
// 释放
canvas.RegisterCallback<PointerUpEvent>((evt) => isDrag = false);
canvas.RegisterCallback<PointerLeaveEvent>((evt) => isDrag = false);
// 视图原始更新
element.generateVisualContent += ElementGenerateVisualContent;
}
/// <summary> 原始更新 </summary>
private void ElementGenerateVisualContent(MeshGenerationContext context) {
float height = Mathf.Clamp01(Viewport.resolvedStyle.height / Container.resolvedStyle.height);
vertical.Dragger.style.height = Length.Percent(height * 100);
}
/// <summary> 滚轮滑动 </summary>
private void ViewportWheel(WheelEvent evt) {
float wheel = Mathf.Clamp(evt.delta.y, -1, 1);
UpdateValue(value - wheel);
}
/// <summary> 拖拽按下 </summary>
private void DraggerDown(PointerDownEvent evt) {
isDrag = true;
originalPosition = Container.transform.position;
Vector3 mousePosition = UITool.GetMousePosition();
pointerPosition = new Vector3(mousePosition.x, Screen.height - mousePosition.y);
}
/// <summary> 拖拽滑动 </summary>
private void Dragger() {
Vector3 mousePosition = UITool.GetMousePosition();
Vector3 differ = new Vector3(mousePosition.x, Screen.height - mousePosition.y) - pointerPosition;
Vector3 offset = differ + originalPosition;
float maxHeight = Viewport.resolvedStyle.height - Container.resolvedStyle.height;
float y = offset.y / maxHeight;
y *= direction == UIDirection.FromTopToBottom ? 1 : -1;
UpdateValue(y);
}
/// <summary> 滑动弹性 </summary>
private void SlidingElasticity() {
float original = value;
float max = Viewport.resolvedStyle.height < Container.resolvedStyle.height ? 1 : 0;
if (value < 0) { value = Mathf.Lerp(value, 0, Time.deltaTime * 10); }
if (value > max) { value = Mathf.Lerp(value, max, Time.deltaTime * 10); }
if (original != value) { UpdateValue(value); }
}
/// <summary> 更新状态 </summary>
public virtual void Update() {
vertical.Update();
SlidingElasticity();
if (isDrag) { Dragger(); }
}
/// <summary> 更新值(0-1) </summary>
public virtual void UpdateValue(float value, bool send = true) {
this.value = value;
if (send) { ValueChanged?.Invoke(value); }
float maxHeight = Viewport.resolvedStyle.height - Container.resolvedStyle.height;
float position = maxHeight * value;
position *= direction == UIDirection.FromTopToBottom ? 1 : -1;
Container.transform.position = new Vector3(0, position);
if (vertical.value != value) { vertical.UpdateValue(value, false); }
}
}
}
Packages/UITool/Runtime/ModuleUIPanel/UIScrollView/UIScrollViewV.cs.meta
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