1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
using UnityEngine;
using System.Collections.Generic;
using UnityEditor;
namespace Pathfinding {
/// <summary>Simple GUI utility functions</summary>
public static class GUIUtilityx {
static Stack<Color> colors = new Stack<Color>();
public static void PushTint (Color tint) {
colors.Push(GUI.color);
GUI.color *= tint;
}
public static void PopTint () {
GUI.color = colors.Pop();
}
public static Rect SliceRow (ref Rect rect, float height) {
var r = new Rect(rect.x, rect.y, rect.width, height);
rect.yMin += height + EditorGUIUtility.standardVerticalSpacing;
return r;
}
public static Rect SliceColumn (ref Rect rect, float width, float spacing = 0) {
var r = new Rect(rect.x, rect.y, width, rect.height);
rect.xMin += width + spacing;
return r;
}
}
/// <summary>
/// Editor helper for hiding and showing a group of GUI elements.
/// Call order in OnInspectorGUI should be:
/// - Begin
/// - Header/HeaderLabel (optional)
/// - BeginFade
/// - [your gui elements] (if BeginFade returns true)
/// - End
/// </summary>
public class FadeArea {
Rect lastRect;
float value;
float lastUpdate;
GUIStyle labelStyle;
GUIStyle areaStyle;
bool visible;
Editor editor;
/// <summary>
/// Is this area open.
/// This is not the same as if any contents are visible, use <see cref="BeginFade"/> for that.
/// </summary>
public bool open;
/// <summary>Animate dropdowns when they open and close</summary>
public static bool fancyEffects;
const float animationSpeed = 100f;
public FadeArea (bool open, Editor editor, GUIStyle areaStyle, GUIStyle labelStyle = null) {
this.areaStyle = areaStyle;
this.labelStyle = labelStyle;
this.editor = editor;
visible = this.open = open;
value = open ? 1 : 0;
}
void Tick () {
if (Event.current.type == EventType.Repaint) {
float deltaTime = Time.realtimeSinceStartup-lastUpdate;
// Right at the start of a transition the deltaTime will
// not be reliable, so use a very small value instead
// until the next repaint
if (value == 0f || value == 1f) deltaTime = 0.001f;
deltaTime = Mathf.Clamp(deltaTime, 0.00001F, 0.1F);
// Larger regions fade slightly slower
deltaTime /= Mathf.Sqrt(Mathf.Max(lastRect.height, 100));
lastUpdate = Time.realtimeSinceStartup;
float targetValue = open ? 1F : 0F;
if (!Mathf.Approximately(targetValue, value)) {
value += deltaTime*animationSpeed*Mathf.Sign(targetValue-value);
value = Mathf.Clamp01(value);
editor.Repaint();
if (!fancyEffects) {
value = targetValue;
}
} else {
value = targetValue;
}
}
}
public void Begin () {
if (areaStyle != null) {
lastRect = EditorGUILayout.BeginVertical(areaStyle);
} else {
lastRect = EditorGUILayout.BeginVertical();
}
}
public void HeaderLabel (string label) {
GUILayout.Label(label, labelStyle);
}
public void Header (string label) {
Header(label, ref open);
}
public void Header (string label, ref bool open) {
if (GUILayout.Button(label, labelStyle)) {
open = !open;
editor.Repaint();
}
this.open = open;
}
/// <summary>Hermite spline interpolation</summary>
static float Hermite (float start, float end, float value) {
return Mathf.Lerp(start, end, value * value * (3.0f - 2.0f * value));
}
public bool BeginFade () {
var hermite = Hermite(0, 1, value);
visible = EditorGUILayout.BeginFadeGroup(hermite);
GUIUtilityx.PushTint(new Color(1, 1, 1, hermite));
Tick();
// Another vertical group is necessary to work around
// a kink of the BeginFadeGroup implementation which
// causes the padding to change when value!=0 && value!=1
EditorGUILayout.BeginVertical();
return visible;
}
public void End () {
EditorGUILayout.EndVertical();
if (visible) {
// Some space that cannot be placed in the GUIStyle unfortunately
GUILayout.Space(4);
}
EditorGUILayout.EndFadeGroup();
EditorGUILayout.EndVertical();
GUIUtilityx.PopTint();
}
}
/// <summary>Handles fading effects and also some custom GUI functions such as LayerMaskField</summary>
public static class EditorGUILayoutx {
static Dictionary<int, string[]> layerNames = new Dictionary<int, string[]>();
static long lastUpdateTick;
static List<string> dummyList = new List<string>();
/// <summary>Displays a LayerMask field.</summary>
/// <param name="label">Label to display</param>
/// <param name="selected">Current LayerMask</param>
public static LayerMask LayerMaskField (string label, LayerMask selected) {
if (Event.current.type == EventType.Layout && System.DateTime.UtcNow.Ticks - lastUpdateTick > 10000000L) {
layerNames.Clear();
lastUpdateTick = System.DateTime.UtcNow.Ticks;
}
string[] currentLayerNames;
if (!layerNames.TryGetValue(selected.value, out currentLayerNames)) {
var layers = dummyList;
layers.Clear();
int emptyLayers = 0;
for (int i = 0; i < 32; i++) {
string layerName = LayerMask.LayerToName(i);
if (layerName != "") {
for (; emptyLayers > 0; emptyLayers--) layers.Add("Layer "+(i-emptyLayers));
layers.Add(layerName);
} else {
emptyLayers++;
if (((selected.value >> i) & 1) != 0 && selected.value != -1) {
for (; emptyLayers > 0; emptyLayers--) layers.Add("Layer "+(i+1-emptyLayers));
}
}
}
currentLayerNames = layerNames[selected.value] = layers.ToArray();
}
selected.value = EditorGUILayout.MaskField(label, selected.value, currentLayerNames);
return selected;
}
}
}
|
