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