File size: 4,238 Bytes
18a519f | 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 | using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using UnityEngine;
namespace Unity.VisualScripting
{
/// <summary>
/// Exposes all members of the type.
/// </summary>
[SpecialUnit]
public sealed class Expose : Unit, IAotStubbable
{
public Expose() : base() { }
public Expose(Type type) : base()
{
this.type = type;
}
[Serialize, Inspectable, TypeFilter(Enums = false)]
public Type type { get; set; }
[Serialize, Inspectable, UnitHeaderInspectable("Instance"), InspectorToggleLeft]
public bool instance { get; set; } = true;
[Serialize, Inspectable, UnitHeaderInspectable("Static"), InspectorToggleLeft]
public bool @static { get; set; } = true;
/// <summary>
/// The instance of the exposed type.
/// </summary>
[DoNotSerialize]
[PortLabelHidden]
[NullMeansSelf]
public ValueInput target { get; private set; }
[DoNotSerialize]
public Dictionary<ValueOutput, Member> members { get; private set; }
public override bool canDefine => type != null;
public override IEnumerable<object> GetAotStubs(HashSet<object> visited)
{
if (members != null)
{
foreach (var member in members.Values)
{
if (member != null && member.isReflected)
{
yield return member.info;
}
}
}
}
protected override void Definition()
{
members = new Dictionary<ValueOutput, Member>();
var requiresTarget = false;
foreach (var member in type.GetMembers()
.Where(m => m is FieldInfo || m is PropertyInfo)
.Select(m => m.ToManipulator(type))
.DistinctBy(m => m.name) // To account for "new" duplicates
.Where(Include)
.OrderBy(m => m.requiresTarget ? 0 : 1)
.ThenBy(m => m.order))
{
var memberPort = ValueOutput(member.type, member.name, (flow) => GetValue(flow, member));
if (member.isPredictable)
{
memberPort.Predictable();
}
members.Add(memberPort, member);
if (member.requiresTarget)
{
requiresTarget = true;
}
}
if (requiresTarget)
{
target = ValueInput(type, nameof(target)).NullMeansSelf();
target.SetDefaultValue(type.PseudoDefault());
foreach (var member in members.Keys)
{
if (members[member].requiresTarget)
{
Requirement(target, member);
}
}
}
}
private bool Include(Member member)
{
if (!instance && member.requiresTarget)
{
return false;
}
if (!@static && !member.requiresTarget)
{
return false;
}
if (!member.isPubliclyGettable)
{
return false;
}
if (member.info.HasAttribute<ObsoleteAttribute>())
{
return false;
}
if (member.isIndexer)
{
return false;
}
// Pesky edit-mode only accessor that is only available in the editor,
// yet isn't marked by any special attribute to indicate it.
if (member.name == "runInEditMode" && member.declaringType == typeof(MonoBehaviour))
{
return false;
}
return true;
}
private object GetValue(Flow flow, Member member)
{
var target = member.requiresTarget ? flow.GetValue(this.target, member.targetType) : null;
return member.Get(target);
}
}
}
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