mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Generation/Utils/TargetUtils.cs

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2024-09-20 20:30:10 +02:00
using System;
using System.Linq;
using System.Collections.Generic;
using UnityEditor.Graphing;
using UnityEditor.ShaderGraph.Serialization;
using UnityEngine.Pool;
namespace UnityEditor.ShaderGraph
{
static class TargetUtils
{
public static void ProcessSubTargetList(ref JsonData<SubTarget> activeSubTarget, ref List<SubTarget> subTargets)
{
if (subTargets == null || subTargets.Count == 0)
return;
// assign the initial sub-target, if none is assigned yet
if (activeSubTarget.value == null)
{
// this is a bit of a hack: prefer subtargets named "Lit" if they exist, otherwise default to the first one
// in the future, we should make the default sub-target user configurable
var litSubTarget = subTargets.FirstOrDefault(x => x.displayName == "Lit");
if (litSubTarget != null)
activeSubTarget = litSubTarget;
else
activeSubTarget = subTargets[0];
return;
}
// Update SubTarget list with active SubTarget
var activeSubTargetType = activeSubTarget.value.GetType();
var activeSubTargetCurrent = subTargets.FirstOrDefault(x => x.GetType() == activeSubTargetType);
var index = subTargets.IndexOf(activeSubTargetCurrent);
if (index == -1)
{
ShaderGraphImporter.subtargetNotFoundError = true;
index = 0;
}
else ShaderGraphImporter.subtargetNotFoundError = false;
subTargets[index] = activeSubTarget;
}
public static List<SubTarget> GetSubTargets<T>(T target) where T : Target
{
// Get Variants
var subTargets = ListPool<SubTarget>.Get();
var typeCollection = TypeCache.GetTypesDerivedFrom<SubTarget>();
foreach (var type in typeCollection)
{
if (type.IsAbstract || !type.IsClass)
continue;
var subTarget = (SubTarget)Activator.CreateInstance(type);
if (!subTarget.isHidden && subTarget.targetType.Equals(typeof(T)))
{
subTarget.target = target;
subTargets.Add(subTarget);
}
}
return subTargets;
}
}
}