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214 行
7.0 KiB

using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Text;
using UnityEngine;
namespace UnityEditor.Experimental.Rendering
{
public static class CoreEditorUtils
{
// GUIContent cache utilities
static Dictionary<string, GUIContent> s_GUIContentCache = new Dictionary<string, GUIContent>();
public static GUIContent GetContent(string textAndTooltip)
{
if (string.IsNullOrEmpty(textAndTooltip))
return GUIContent.none;
GUIContent content;
if (!s_GUIContentCache.TryGetValue(textAndTooltip, out content))
{
var s = textAndTooltip.Split('|');
content = new GUIContent(s[0]);
if (s.Length > 1 && !string.IsNullOrEmpty(s[1]))
content.tooltip = s[1];
s_GUIContentCache.Add(textAndTooltip, content);
}
return content;
}
// Serialization helpers
public static string FindProperty<T, TValue>(Expression<Func<T, TValue>> expr)
{
// Get the field path as a string
MemberExpression me;
switch (expr.Body.NodeType)
{
case ExpressionType.MemberAccess:
me = expr.Body as MemberExpression;
break;
default:
throw new InvalidOperationException();
}
var members = new List<string>();
while (me != null)
{
members.Add(me.Member.Name);
me = me.Expression as MemberExpression;
}
var sb = new StringBuilder();
for (int i = members.Count - 1; i >= 0; i--)
{
sb.Append(members[i]);
if (i > 0) sb.Append('.');
}
return sb.ToString();
}
// UI Helpers
public static void DrawSplitter()
{
var rect = GUILayoutUtility.GetRect(1f, 1f);
// Splitter rect should be full-width
rect.xMin = 0f;
rect.width += 4f;
if (Event.current.type != EventType.Repaint)
return;
EditorGUI.DrawRect(rect, !EditorGUIUtility.isProSkin
? new Color(0.6f, 0.6f, 0.6f, 1.333f)
: new Color(0.12f, 0.12f, 0.12f, 1.333f));
}
public static void DrawHeader(string title)
{
var backgroundRect = GUILayoutUtility.GetRect(1f, 17f);
var labelRect = backgroundRect;
labelRect.xMin += 16f;
labelRect.xMax -= 20f;
var foldoutRect = backgroundRect;
foldoutRect.y += 1f;
foldoutRect.width = 13f;
foldoutRect.height = 13f;
// Background rect should be full-width
backgroundRect.xMin = 0f;
backgroundRect.width += 4f;
// Background
float backgroundTint = EditorGUIUtility.isProSkin ? 0.1f : 1f;
EditorGUI.DrawRect(backgroundRect, new Color(backgroundTint, backgroundTint, backgroundTint, 0.2f));
// Title
EditorGUI.LabelField(labelRect, title, EditorStyles.boldLabel);
}
public static bool DrawHeaderFoldout(string title, bool state)
{
var backgroundRect = GUILayoutUtility.GetRect(1f, 17f);
var labelRect = backgroundRect;
labelRect.xMin += 16f;
labelRect.xMax -= 20f;
var foldoutRect = backgroundRect;
foldoutRect.y += 1f;
foldoutRect.width = 13f;
foldoutRect.height = 13f;
// Background rect should be full-width
backgroundRect.xMin = 0f;
backgroundRect.width += 4f;
// Background
float backgroundTint = EditorGUIUtility.isProSkin ? 0.1f : 1f;
EditorGUI.DrawRect(backgroundRect, new Color(backgroundTint, backgroundTint, backgroundTint, 0.2f));
// Title
EditorGUI.LabelField(labelRect, title, EditorStyles.boldLabel);
// Active checkbox
state = GUI.Toggle(foldoutRect, state, GUIContent.none, EditorStyles.foldout);
var e = Event.current;
if (e.type == EventType.MouseDown && backgroundRect.Contains(e.mousePosition) && e.button == 0)
{
state = !state;
e.Use();
}
return state;
}
public static bool DrawHeaderToggle(string title, SerializedProperty group, SerializedProperty activeField, Action<Vector2> contextAction = null)
{
var backgroundRect = GUILayoutUtility.GetRect(1f, 17f);
var labelRect = backgroundRect;
labelRect.xMin += 16f;
labelRect.xMax -= 20f;
var toggleRect = backgroundRect;
toggleRect.y += 2f;
toggleRect.width = 13f;
toggleRect.height = 13f;
// Background rect should be full-width
backgroundRect.xMin = 0f;
backgroundRect.width += 4f;
// Background
float backgroundTint = EditorGUIUtility.isProSkin ? 0.1f : 1f;
EditorGUI.DrawRect(backgroundRect, new Color(backgroundTint, backgroundTint, backgroundTint, 0.2f));
// Title
using (new EditorGUI.DisabledScope(!activeField.boolValue))
EditorGUI.LabelField(labelRect, GetContent(title), EditorStyles.boldLabel);
// Active checkbox
activeField.serializedObject.Update();
activeField.boolValue = GUI.Toggle(toggleRect, activeField.boolValue, GUIContent.none, CoreEditorStyles.smallTickbox);
activeField.serializedObject.ApplyModifiedProperties();
// Context menu
var menuIcon = EditorGUIUtility.isProSkin
? CoreEditorStyles.paneOptionsIconDark
: CoreEditorStyles.paneOptionsIconLight;
var menuRect = new Rect(labelRect.xMax + 4f, labelRect.y + 4f, menuIcon.width, menuIcon.height);
if (contextAction != null)
GUI.DrawTexture(menuRect, menuIcon);
// Handle events
var e = Event.current;
if (e.type == EventType.MouseDown)
{
if (contextAction != null && menuRect.Contains(e.mousePosition))
{
contextAction(new Vector2(menuRect.x, menuRect.yMax));
e.Use();
}
else if (labelRect.Contains(e.mousePosition))
{
if (e.button == 0)
group.isExpanded = !group.isExpanded;
else if (contextAction != null)
contextAction(e.mousePosition);
e.Use();
}
}
return group.isExpanded;
}
public static void RemoveMaterialKeywords(Material material)
{
material.shaderKeywords = null;
}
}
}