633 lines
18 KiB
C#
633 lines
18 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEditor;
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using UnityEngine;
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namespace Unity.VisualScripting
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{
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public abstract class StateWidget<TState> : NodeWidget<StateCanvas, TState>, IStateWidget
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where TState : class, IState
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{
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protected StateWidget(StateCanvas canvas, TState state) : base(canvas, state)
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{
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minResizeSize = new Vector2(State.DefaultWidth, 0);
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}
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public virtual bool canForceEnter => true;
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public virtual bool canForceExit => true;
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public virtual bool canToggleStart => true;
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#region Model
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protected TState state => element;
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protected IStateDebugData stateDebugData => GetDebugData<IStateDebugData>();
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protected State.Data stateData => reference.hasData ? reference.GetElementData<State.Data>(state) : null;
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IState IStateWidget.state => state;
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protected StateDescription description { get; private set; }
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protected StateAnalysis analysis => state.Analysis<StateAnalysis>(context);
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protected override void CacheDescription()
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{
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description = state.Description<StateDescription>();
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title = description.title;
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summary = description.summary;
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titleContent.text = " " + title;
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titleContent.image = description.icon?[IconSize.Small];
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summaryContent.text = summary;
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Reposition();
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}
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#endregion
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#region Lifecycle
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public override void BeforeFrame()
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{
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base.BeforeFrame();
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if (currentContentOuterHeight != targetContentOuterHeight)
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{
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Reposition();
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}
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}
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public override void HandleInput()
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{
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if (e.IsMouseDrag(MouseButton.Left) &&
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e.ctrlOrCmd &&
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!canvas.isCreatingTransition)
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{
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if (state.canBeSource)
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{
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canvas.StartTransition(state);
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}
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else
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{
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Debug.LogWarning("Cannot create a transition from this state.\n");
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}
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e.Use();
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}
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else if (e.IsMouseDrag(MouseButton.Left) && canvas.isCreatingTransition)
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{
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e.Use();
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}
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else if (e.IsMouseUp(MouseButton.Left) && canvas.isCreatingTransition)
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{
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var source = canvas.transitionSource;
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var destination = (canvas.hoveredWidget as IStateWidget)?.state;
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if (destination == null)
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{
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canvas.CompleteTransitionToNewState();
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}
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else if (destination == source)
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{
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canvas.CancelTransition();
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}
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else if (destination.canBeDestination)
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{
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canvas.EndTransition(destination);
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}
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else
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{
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Debug.LogWarning("Cannot create a transition to this state.\n");
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canvas.CancelTransition();
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}
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e.Use();
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}
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base.HandleInput();
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}
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#endregion
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#region Contents
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protected virtual string title { get; set; }
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protected virtual string summary { get; set; }
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private GUIContent titleContent { get; } = new GUIContent();
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private GUIContent summaryContent { get; } = new GUIContent();
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#endregion
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#region Positioning
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public override IEnumerable<IWidget> positionDependers => state.transitions.Select(transition => (IWidget)canvas.Widget(transition));
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public Rect titlePosition { get; private set; }
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public Rect summaryPosition { get; private set; }
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public Rect contentOuterPosition { get; private set; }
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public Rect contentBackgroundPosition { get; private set; }
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public Rect contentInnerPosition { get; private set; }
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private float targetContentOuterHeight;
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private float currentContentOuterHeight;
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private bool revealInitialized;
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private Rect _position;
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public override Rect position
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{
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get { return _position; }
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set
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{
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state.position = value.position;
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state.width = value.width;
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}
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}
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public override void CachePosition()
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{
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var edgeOrigin = state.position;
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var edgeX = edgeOrigin.x;
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var edgeY = edgeOrigin.y;
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var edgeWidth = state.width;
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var innerOrigin = EdgeToInnerPosition(new Rect(edgeOrigin, Vector2.zero)).position;
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var innerX = innerOrigin.x;
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var innerY = innerOrigin.y;
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var innerWidth = EdgeToInnerPosition(new Rect(0, 0, edgeWidth, 0)).width;
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var innerHeight = 0f;
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var y = innerY;
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if (showTitle)
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{
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using (LudiqGUIUtility.iconSize.Override(IconSize.Small))
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{
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titlePosition = new Rect
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(
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innerX,
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y,
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innerWidth,
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Styles.title.CalcHeight(titleContent, innerWidth)
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);
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y += titlePosition.height;
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innerHeight += titlePosition.height;
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}
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}
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if (showTitle && showSummary)
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{
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y += Styles.spaceBetweenTitleAndSummary;
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innerHeight += Styles.spaceBetweenTitleAndSummary;
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}
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if (showSummary)
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{
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summaryPosition = new Rect
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(
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innerX,
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y,
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innerWidth,
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Styles.summary.CalcHeight(summaryContent, innerWidth)
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);
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y += summaryPosition.height;
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innerHeight += summaryPosition.height;
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}
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if (showContent)
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{
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var contentInnerWidth = edgeWidth - Styles.contentBackground.padding.left - Styles.contentBackground.padding.right;
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targetContentOuterHeight = revealContent ? (Styles.spaceBeforeContent + Styles.contentBackground.padding.top + GetContentHeight(contentInnerWidth) + Styles.contentBackground.padding.bottom) : 0;
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if (!revealInitialized)
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{
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currentContentOuterHeight = targetContentOuterHeight;
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revealInitialized = true;
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}
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currentContentOuterHeight = Mathf.Lerp(currentContentOuterHeight, targetContentOuterHeight, canvas.repaintDeltaTime * Styles.contentRevealSpeed);
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if (Mathf.Abs(targetContentOuterHeight - currentContentOuterHeight) < 1)
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{
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currentContentOuterHeight = targetContentOuterHeight;
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}
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contentOuterPosition = new Rect
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(
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edgeX,
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y,
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edgeWidth,
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currentContentOuterHeight
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);
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contentBackgroundPosition = new Rect
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(
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0,
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Styles.spaceBeforeContent,
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edgeWidth,
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currentContentOuterHeight - Styles.spaceBeforeContent
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);
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contentInnerPosition = new Rect
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(
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Styles.contentBackground.padding.left,
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Styles.spaceBeforeContent + Styles.contentBackground.padding.top,
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contentInnerWidth,
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contentBackgroundPosition.height - Styles.contentBackground.padding.top
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);
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y += contentOuterPosition.height;
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innerHeight += contentOuterPosition.height;
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}
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var edgeHeight = InnerToEdgePosition(new Rect(0, 0, 0, innerHeight)).height;
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_position = new Rect
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(
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edgeX,
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edgeY,
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edgeWidth,
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edgeHeight
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);
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}
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protected virtual float GetContentHeight(float width) => 0;
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#endregion
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#region Drawing
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protected virtual bool showTitle => true;
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protected virtual bool showSummary => !StringUtility.IsNullOrWhiteSpace(summary);
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protected virtual bool showContent => false;
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protected virtual NodeColorMix baseColor => NodeColor.Gray;
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protected override NodeColorMix color
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{
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get
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{
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if (stateDebugData.runtimeException != null)
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{
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return NodeColor.Red;
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}
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var color = baseColor;
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if (state.isStart)
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{
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color = NodeColor.Green;
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}
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if (stateData?.isActive ?? false)
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{
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color = NodeColor.Blue;
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}
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else if (EditorApplication.isPaused)
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{
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if (EditorTimeBinding.frame == stateDebugData.lastEnterFrame)
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{
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color = NodeColor.Blue;
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}
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}
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else
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{
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color.blue = Mathf.Lerp(1, 0, (EditorTimeBinding.time - stateDebugData.lastExitTime) / Styles.enterFadeDuration);
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}
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return color;
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}
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}
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protected override NodeShape shape => NodeShape.Square;
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private bool revealContent
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{
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get
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{
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switch (BoltState.Configuration.statesReveal)
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{
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case StateRevealCondition.Always:
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return true;
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case StateRevealCondition.Never:
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return false;
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case StateRevealCondition.OnHover:
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return isMouseOver;
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case StateRevealCondition.OnHoverWithAlt:
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return isMouseOver && e.alt;
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case StateRevealCondition.WhenSelected:
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return selection.Contains(state);
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case StateRevealCondition.OnHoverOrSelected:
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return isMouseOver || selection.Contains(state);
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case StateRevealCondition.OnHoverWithAltOrSelected:
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return isMouseOver && e.alt || selection.Contains(state);
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default:
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throw new UnexpectedEnumValueException<StateRevealCondition>(BoltState.Configuration.statesReveal);
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}
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}
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}
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private bool revealedContent;
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private void CheckReveal()
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{
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var revealContent = this.revealContent;
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if (revealContent != revealedContent)
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{
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Reposition();
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}
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revealedContent = revealContent;
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}
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protected override bool dim
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{
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get
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{
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var dim = BoltCore.Configuration.dimInactiveNodes && !analysis.isEntered;
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if (isMouseOver || isSelected)
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{
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dim = false;
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}
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return dim;
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}
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}
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public override void DrawForeground()
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{
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BeginDim();
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base.DrawForeground();
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if (showTitle)
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{
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DrawTitle();
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}
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if (showSummary)
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{
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DrawSummary();
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}
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if (showContent)
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{
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DrawContentWrapped();
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}
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EndDim();
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CheckReveal();
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}
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private void DrawTitle()
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{
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using (LudiqGUIUtility.iconSize.Override(IconSize.Small))
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{
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GUI.Label(titlePosition, titleContent, invertForeground ? Styles.titleInverted : Styles.title);
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}
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}
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private void DrawSummary()
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{
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GUI.Label(summaryPosition, summaryContent, invertForeground ? Styles.summaryInverted : Styles.summary);
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}
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private void DrawContentWrapped()
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{
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GUI.BeginClip(contentOuterPosition);
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DrawContentBackground();
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DrawContent();
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GUI.EndClip();
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}
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protected virtual void DrawContentBackground()
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{
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if (e.IsRepaint)
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{
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Styles.contentBackground.Draw(contentBackgroundPosition, false, false, false, false);
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}
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}
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|
protected virtual void DrawContent() { }
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Selecting
|
||
|
|
|
||
|
|
public override bool canSelect => true;
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Dragging
|
||
|
|
|
||
|
|
protected override bool snapToGrid => BoltCore.Configuration.snapToGrid;
|
||
|
|
|
||
|
|
public override bool canDrag => true;
|
||
|
|
|
||
|
|
public override void ExpandDragGroup(HashSet<IGraphElement> dragGroup)
|
||
|
|
{
|
||
|
|
if (BoltCore.Configuration.carryChildren)
|
||
|
|
{
|
||
|
|
foreach (var transition in state.outgoingTransitions)
|
||
|
|
{
|
||
|
|
if (dragGroup.Contains(transition.destination))
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
dragGroup.Add(transition.destination);
|
||
|
|
|
||
|
|
canvas.Widget(transition.destination).ExpandDragGroup(dragGroup);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Deleting
|
||
|
|
|
||
|
|
public override bool canDelete => true;
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Resizing
|
||
|
|
|
||
|
|
public override bool canResizeHorizontal => true;
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Clipboard
|
||
|
|
|
||
|
|
public override void ExpandCopyGroup(HashSet<IGraphElement> copyGroup)
|
||
|
|
{
|
||
|
|
copyGroup.UnionWith(state.transitions.Cast<IGraphElement>());
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Actions
|
||
|
|
|
||
|
|
protected override IEnumerable<DropdownOption> contextOptions
|
||
|
|
{
|
||
|
|
get
|
||
|
|
{
|
||
|
|
if (Application.isPlaying && reference.hasData)
|
||
|
|
{
|
||
|
|
if (canForceEnter)
|
||
|
|
{
|
||
|
|
yield return new DropdownOption((Action)ForceEnter, "Force Enter");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (canForceExit)
|
||
|
|
{
|
||
|
|
yield return new DropdownOption((Action)ForceExit, "Force Exit");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (canToggleStart)
|
||
|
|
{
|
||
|
|
yield return new DropdownOption((Action)ToggleStart, "Toggle Start");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (state.canBeSource)
|
||
|
|
{
|
||
|
|
yield return new DropdownOption((Action)MakeTransition, "Make Transition");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (state.canBeSource && state.canBeDestination)
|
||
|
|
{
|
||
|
|
yield return new DropdownOption((Action)MakeSelfTransition, "Make Self Transition");
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach (var baseOption in base.contextOptions)
|
||
|
|
{
|
||
|
|
yield return baseOption;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ForceEnter()
|
||
|
|
{
|
||
|
|
using (var flow = Flow.New(reference))
|
||
|
|
{
|
||
|
|
state.OnEnter(flow, StateEnterReason.Forced);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ForceExit()
|
||
|
|
{
|
||
|
|
using (var flow = Flow.New(reference))
|
||
|
|
{
|
||
|
|
state.OnExit(flow, StateExitReason.Forced);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
protected void MakeTransition()
|
||
|
|
{
|
||
|
|
canvas.StartTransition(state);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected void MakeSelfTransition()
|
||
|
|
{
|
||
|
|
canvas.StartTransition(state);
|
||
|
|
canvas.EndTransition(state);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected void ToggleStart()
|
||
|
|
{
|
||
|
|
UndoUtility.RecordEditedObject("Toggle State Start");
|
||
|
|
|
||
|
|
state.isStart = !state.isStart;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
public static class Styles
|
||
|
|
{
|
||
|
|
static Styles()
|
||
|
|
{
|
||
|
|
title = new GUIStyle(BoltCore.Styles.nodeLabel);
|
||
|
|
title.fontSize = 12;
|
||
|
|
title.alignment = TextAnchor.MiddleCenter;
|
||
|
|
title.wordWrap = true;
|
||
|
|
|
||
|
|
summary = new GUIStyle(BoltCore.Styles.nodeLabel);
|
||
|
|
summary.fontSize = 10;
|
||
|
|
summary.alignment = TextAnchor.MiddleCenter;
|
||
|
|
summary.wordWrap = true;
|
||
|
|
|
||
|
|
titleInverted = new GUIStyle(title);
|
||
|
|
titleInverted.normal.textColor = ColorPalette.unityBackgroundDark;
|
||
|
|
|
||
|
|
summaryInverted = new GUIStyle(summary);
|
||
|
|
summaryInverted.normal.textColor = ColorPalette.unityBackgroundDark;
|
||
|
|
|
||
|
|
contentBackground = new GUIStyle("In BigTitle");
|
||
|
|
contentBackground.padding = new RectOffset(0, 0, 4, 4);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static readonly GUIStyle title;
|
||
|
|
|
||
|
|
public static readonly GUIStyle summary;
|
||
|
|
|
||
|
|
public static readonly GUIStyle titleInverted;
|
||
|
|
|
||
|
|
public static readonly GUIStyle summaryInverted;
|
||
|
|
|
||
|
|
public static readonly GUIStyle contentBackground;
|
||
|
|
|
||
|
|
public static readonly float spaceBeforeContent = 5;
|
||
|
|
|
||
|
|
public static readonly float spaceBetweenTitleAndSummary = 0;
|
||
|
|
|
||
|
|
public static readonly float enterFadeDuration = 0.5f;
|
||
|
|
|
||
|
|
public static readonly float contentRevealSpeed = 15;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|